| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 464142000 | Mounted for relative axial movement with respect to both coupled members | 89 |
| 20100267455 | Constant Velocity Joint Attachment Method - A shaft member ( | 10-21-2010 |
| 20110086714 | CONSTANT VELOCITY JOINT - A constant velocity joint includes an outer member defining an interior opening and a plurality comprising at least four grooves disposed within the interior opening and extending along a first longitudinal axis with each of the grooves being parallel to the other grooves and the first longitudinal axis, and an inner member disposed within the interior opening having a second longitudinal axis and defining a plurality of pockets corresponding to the grooves disposed radially about the second longitudinal axis with each of the plurality of pockets opposing one of the plurality of grooves. The joint further includes a plurality of drive balls corresponding to the grooves, each drive ball having a spherical shape and rotatably disposed within one of the plurality of pockets and moveably disposed within one of the plurality of grooves, wherein the outer member, inner member and plurality of drive balls comprise a constant velocity joint. | 04-14-2011 |
| 20110256939 | Constant velocity joint with small radial movements of the balls - A constant velocity fixed joint. The center line (M | 10-20-2011 |
| 464143000 | Grooves formed in radially overlapping elements | 86 |
| 20100105488 | CONSTANT VELOCITY JOINT GREASE CAP WITH INCREASED TORSIONAL COMPLIANCE - A sealing cover assembly for an articulating joint. The articulating joint includes a first rotational member and a second rotational member. The sealing cover assembly includes a first portion having a plurality of fastening portions. The fastening portions are coupled to the second rotational member for rotation therewith. The sealing cover assembly also includes a second portion adapted for connecting to the driveline and a plurality of damping members constructed of at least a first material and interconnecting the first portion to the second portion. | 04-29-2010 |
| 20100087261 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - To increase a torque transmission efficiency without involving significant modification of a structure of a joint. A fixed type constant velocity universal joint includes: an outer joint member ( | 04-08-2010 |
| 20100248848 | Constant-Velocity Universal Joint Housing - A housing for a constant-velocity universal joint includes a cup having a cylindrical outer surface, a shank integral with the cup, and a rotation axis extending through the cup and the shank, the cup and the shank being spaced apart along the axis. A shoulder is interposed between the cup and the shank and a recess extends into the cup outer surface and is disposed adjacent to the shoulder. | 09-30-2010 |
| 20100178992 | Ball-and-Socket Joint - A ball-and-socket joint comprising an inner hub ( | 07-15-2010 |
| 20110034255 | FIXED-TYPE, CONSTANT-VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of securing a ball groove depth larger in comparison with that of conventional products and enhancing performance without an increase in a “force of pushing out balls in an axial direction”, the force having an influence on joint efficiency. A ratio (F/PCR) of an offset amount F to a length (PCR) of a segment connecting the center of each of the guide grooves ( | 02-10-2011 |
| 20100069164 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of securing smooth rotation and reducing a load on a cage even at a large operating angle and at a time of bearing large torque. The fixed type constant velocity universal joint includes an outer joint member having opened one end and an inner spherical surface in which multiple track grooves are circumferentially formed in an axial direction; an inner joint member ( | 03-18-2010 |
| 20110118036 | INNER JOINT MEMBER FOR CONSTANT VELOCITY UNIVERSAL JOINT, MANUFACTURING METHOD THEREFOR, AND CONSTANT VELOCITY UNIVERSAL JOINT - Provided is an inner joint member for a constant velocity universal joint, which is capable of extending a life of a cutting tool and achieving reduction in manufacturing cost. The inner joint member for a constant velocity universal joint is incorporated in an outer joint member ( | 05-19-2011 |
| 20090270187 | Power transmission spline - Provided is a power transmission shaft in which concentration of both tensile stress and shear stress is mitigated to achieve an improvement in terms of fatigue strength of a power transmission shaft. A male spline section (Sm) is formed on an outer periphery of the power transmission shaft. On a valley section ( | 10-29-2009 |
| 464144000 | Intersecting grooves | 7 |
| 20130085003 | CROSS GROOVE TYPE CONSTANT VELOCITY JOINT WITH COMPOSITE GROOVE PATTERNS - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair. | 04-04-2013 |
| 20120010005 | CROSS GROOVE-TYPE CONSTANT-VELOCITY UNIVERSAL JOINT - A cross groove-type constant-velocity universal joint includes an inner ring ( | 01-12-2012 |
| 20110070954 | Cross Groove Type Constant Velocity Joint - A constant velocity joint for a drive system comprises an outer joint member and an inner joint member each having a plurality of ball grooves in pairs for accommodating balls therein, the ball grooves consisting of a first group of grooves, each groove of which having a linear groove shape with no skew angle or a skewed groove shape with a relatively smaller skew angle, and a second group of grooves, each groove of which having a skewed groove shape with a relatively larger or regular skew angle. In addition to having the differentiated skew angles in the first and second groups of grooves, a taper angle is provided to the pair of grooves of at least one or both of the first and second groups of grooves in order to reduce the potential risk of ball locking in the grooves. In an alternative embodiment, all the grooves of the outer and inner joint members have a skewed groove shape with a skew angle which is less than the regular skew angle of the conventional cross groove joint, and a taper angle is provided to the pairs of grooves of the outer and inner joint members. | 03-24-2011 |
| 20120202607 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of suppressing heat generation under high load and during high-speed rotation to improve durability, and suppressing a contact resistance between a cage and inner and outer joint members to improve the constant velocity property. An axial offset amount of a curvature center of each track groove ( | 08-09-2012 |
| 20110092299 | Cross Groove Type Constant Velocity Joint - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves, each groove of which having a skewed groove shape with a first skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of outer joint member, and a second group of grooves, each groove of which having a skewed groove shape with a second skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of outer joint member, the second skew angle less than the first skew angle; and an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves, each groove of which having a skewed groove shape with a first skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of inner joint member, and a second group of grooves, each groove of which having a skewed groove shape with a second skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of inner joint member, the second skew angle less than the first skew angle, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair. In addition to the differentiated skew angles, the contact angles of the balls in the first and second group of grooves and other configurations may also be differentiated. | 04-21-2011 |
| 20100292016 | PLUNGING CROSS-TRACK CONSTANT VELOCITY JOINT - A cross-track plunging constant velocity joint assembly includes an inner race having an outer diameter, an axial length, inner ball tracks, and a spline engageable with a first torque transfer member. An outer race has an inner diameter, an outer diameter, and outer ball tracks. The outer race is connectable to a second torque transfer member. A cage having multiple windows is disposed between the inner and outer races. A plurality of balls (N) having a ball diameter are held by the cage within the windows and engage pairs of the inner and outer ball tracks. The balls define a joint pitch circle diameter (PCD). The inner race has a plunge depth within the outer race. The ratio of 1.2≦(outer race outer diameter/outer race inner diameter)≦1.7 is satisfied. | 11-18-2010 |
| 20080254903 | Opposed path joint - An opposed path joint comprising an inner hub, which is provided with first inner grooves and second inner grooves, and comprising an outer hub, which is provided with first outer grooves and second outer grooves that respectively form a pair with the first and second inner grooves. The opposed path joint also comprises an annular cage, which is placed between the inner hub and the outer hub and which has a radial openings whose number corresponds to that of the groove pairs. Balls that engage inside the grooves are guided inside these radial openings. According to the invention, the outer hub of the opposed path joint is a single-piece closed ring, in which the outer grooves are formed without cutting. Alternatively, the outer hub has at least two elements that are located one behind the other on the outer hub axis and, together, center the cage. | 10-16-2008 |
| 464145000 | With intermediate positioning cage for ball | 71 |
| 20120184382 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which can prevent stick slip from occurring due to lack of lubricity, and prevent abnormal noises from occurring at low temperatures, even during use in an extremely cold region. The fixed type constant velocity universal joint which has grease enclosed therein and is provided with an outer joint member | 07-19-2012 |
| 20120184381 | Sliding Joint - A sliding joint for motor vehicles, having an inner race which includes inner running grooves, an outer race which includes outer running grooves, a cage, and balls. The inner running grooves are constructed parallel to each other in the axial dimension and include a displacement segment and a functional segment, and the outer running grooves are likewise constructed parallel to each other in the axial dimension and also include a displacement segment and a functional segment. | 07-19-2012 |
| 20130079163 | CROSS GROOVE TYPE CONSTANT VELOCITY JOINT WITH COMPOSITE GROOVE PATTERNS - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair; and a cage having circumferentially displaced cage windows to accommodate a plurality of balls therein. The groove patterns of the ball grooves can be a combination of skewed grooves and non linear grooves, a combination of non linear of linear grooves and non linear grooves. | 03-28-2013 |
| 20100035696 | DRIVESHAFT COMPRISING A COUNTER TRACK JOINT FEATURING A DELIMITED AXIAL DISPLACEMENT PATH - A constant velocity universal ball joint | 02-11-2010 |
| 20100113168 | CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a constant velocity universal joint capable of being smoothly rotated even when a high operating angle is formed and large torque is born and of reducing excessive load applied to the cage so as to strengthen the cage. The constant velocity universal joint includes an outer joint member having an inner spherical surface ( | 05-06-2010 |
| 20090305795 | LONGITUDINAL SHAFT - A longitudinal shaft, for use in particular in four-wheel drive or rear-wheel drive motor vehicles includes a gearbox-side articulation, a differential-side articulation, as well as a central articulation through which a gearbox-side section is integrally linked in rotation to a differential-side section of the longitudinal shaft. To reduce the centrifugal forces occurring at the longitudinal shaft in operation. Therefore, the gearbox-side articulation and the differential-side articulation have each an inner hub, designed to connect the longitudinal shaft integrally in rotation respectively to a gearbox output shaft and to a differential input shaft, the longitudinal shaft being centered on the gearbox output shaft and the differential input shaft by interlocking through the inner hubs. | 12-10-2009 |
| 20130072312 | High Angle Plunge Joint - A high angle plunging constant velocity joint includes an outer race, an inner race, a plunging cage, a plurality of balls and a shaft. The outer race is defined by inner and outer surfaces, wherein the inner surface contains a plurality of double offset tracks. The inner race includes a plurality of corresponding double offset tracks disposed within a bore of the outer race. An outer surface of the inner race defines a first radius. The plunging cage is defined by an inner surface and an outer surface. The plunging cage is disposed between the inner race and outer race. The inner surface of the plunging cage is defined by a second radius that is less than the first radius. The plurality of balls are arranged within the cage and contact the double offset tracks of the inner and the outer race. The shaft is connected to the inner race. | 03-21-2013 |
| 20130116056 | ANGLED OFFSET BALL TYPE CONSTANT VELOCITY JOINT FOR VEHICLE - An angled offset ball type constant velocity joint for a vehicle, which can enhance the strength of the joint by compensating for a contact surface pressure between an outer race groove and a ball while maintaining an outer diameter of the outer race by making rotation centers of the outer race and the inner race positioned to be symmetrical with respect to each other by an offset angle. The angled offset ball type constant velocity joint includes an inner race connected to an end of a shaft, an outer race installed outside the inner race, a plurality of balls for transmitting a torque of the inner race to the outer race, and a cage having windows for supporting the respective balls, wherein a rotation center of an outer race ball track is symmetrical with a rotation center of an inner race ball track by an offset angle. | 05-09-2013 |
| 20120238370 | CROSS GROOVE TYPE CONSTANT VELOCITY JOINT WITH COMPOSITE GROOVE PATTERNS - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair. | 09-20-2012 |
| 20100190558 | FIXED TYPE CONSTANT VELOCITY JOINT - A constant velocity joint for a drive system comprises: an outer race having an inner spherical surface, and a plurality of guide grooves formed in an axial direction in the inner spherical surface of the outer race; an inner race having an outer spherical surface, and a plurality of guide grooves formed in an axial direction in the outer spherical surface of the inner race, said guide grooves of the outer race and said guide grooves of the inner race together forming a plurality of ball guide tracks; a plurality of balls disposed in the ball guide tracks; and a cage installed between the inner spherical surface of the outer race and the outer spherical surface of the inner race, said cage having a plurality of windows for retaining the balls therein; wherein each of the guide grooves of the outer race is shaped to have a longitudinal cross section formed with two circular regions with different centers, a first circular region disposed at a first lateral side of the outer race and a second circular region disposed at a second lateral side of the outer race, and a linear region tangentially extending between these two circular regions; and wherein each of the guide grooves of the inner race is shaped to have a longitudinal cross section formed with two circular regions with different centers, a first circular region disposed at a first lateral side of the inner race and a second circular region disposed at a second lateral side of the inner race, and a linear region tangentially extending between these two circular regions. | 07-29-2010 |
| 20100069165 | Opposed path joint - An opposed path joint comprising an inner hub, which is provided with first inner grooves and second inner grooves, and comprising an outer hub, which is provided with first outer grooves and second outer grooves that respectively form a pair with the first and second inner grooves. The opposed path joint also comprises an annular cage, which is placed between the inner hub and the outer hub and which has a radial openings whose number corresponds to that of the groove pairs. Balls that engage inside the grooves are guided inside these radial openings. According to the invention, the outer hub of the opposed path joint is a single-piece closed ring, in which the outer grooves are formed without cutting. Alternatively, the outer hub has at least two elements that are located one behind the other on the outer hub axis and, together, center the cage. | 03-18-2010 |
| 20090149263 | FIXED CENTER CONSTANT VELOCITY JOINT - A constant velocity joint includes an outer member defining a plurality of outer member ball tracks and an inner member defining a plurality of inner member ball tracks. The outer member ball tracks and the inner member ball tracks cooperate to define a plurality of uniform funnels having a uniform width along a longitudinal axis, and a plurality of diverging funnels having a diverging width along the longitudinal axis. A drive ball is disposed within each of the uniform funnels and the diverging funnels. A cage is disposed between the outer member and the inner member, and defines a plurality of windows with one of the drive balls disposed within each of the windows. The diverging funnels urge the drive balls along the longitudinal axis to pre-load the cage, while the uniform funnels do not urge the drive balls along the longitudinal axis, thereby reducing the amount of heat generated between the cage and the drive balls. | 06-11-2009 |
| 20100087262 | PLUNGING TYPE CONSTANT VELOCITY UNIVERSAL JOINT - To easily achieve reduction in weight and size and increase in durability even when contact force at contact portions with respect to balls increases. A plunging type constant velocity universal joint includes: an inner joint member ( | 04-08-2010 |
| 20120108348 | Ball Joint - A ball joint having an inner hub which has an inner hub axis and an outer surface, in which inner races and cage guide surfaces are arranged in the inner hub; an outer hub which has an outer hub axis and an inner surface, in which outer races and cage guide surfaces are arranged in the outer hub, and a cage which is ring-shaped and has a cage axis. The inner surface of the cage extends in the direction of the cage axis, the outer surface of the cage extends away from the direction of the cage axis, an inner race is constructed to extend straight and/or parallel to the inner hub axis, and an outer race is constructed to extend straight and/or parallel to the outer hub axis. | 05-03-2012 |
| 20080234057 | Slidable constant velocity universal joint - Provided is a slidable constant velocity universal joint which holds an elastic member (coil spring) in a stable attitude even if an associated shaft makes an oscillating motion, thereby achieving an improvement in terms of stability in torque transmission. The slidable constant velocity universal joint includes an outer joint member ( | 09-25-2008 |
| 20080305878 | CONSTANT VELOCITY JOINT - A constant velocity joint having an inner hub and an outer hub ( | 12-11-2008 |
| 20090298598 | OPTIMIZED CONSTANT-VELOCITY FIXED JOINT WITH BALL TRACKS FREE FROM UNDERCUTS - Constant-velocity fixed joints may comprise an outer joint part with outer ball tracks, an inner joint part with inner ball tracks, torque transmitting balls which are guided in pairs of tracks each formed of an outer and an inner ball track, and a ball cage with circumferentially distributed cage windows in which the balls are received. Here, the balls are held in a common central plane and are guided onto the bisecting plane when the joint is deflected. Constant-velocity rotary joints of this type are known as Rzeppa fixed joints (RF) or as undercut-free fixed joints (UF). | 12-03-2009 |
| 20090137326 | Constant velocity joint - A joint outer ring ( | 05-28-2009 |
| 20090143150 | FIXED CENTER CONSTANT VELOCITY JOINT WITH DIFFERENT FUNNEL OFFSETS - A fixed center constant velocity joint includes a first group of funnels and a second group of funnels arranged radially about a longitudinal axis in alternating relationship. The first group of funnels diverges in a first direction and the second group of funnels diverges in a second direction opposite the first direction along the longitudinal axis. The first group of funnels defines a first diverging width increasing in value along the longitudinal axis and the second group of funnels defines a second diverging width increasing in value at a different rate than the first diverging width to bias the joint in one of the first direction and the second direction. | 06-04-2009 |
| 20090143151 | Slip joint of steering apparatus for vehicle - Disclosed is a slip joint of a steering apparatus for a vehicle, the slip joint including: an outer member having a plurality of first assembling recesses; an inner member being inserted within the outer member and having a plurality of second assembling recesses; and a slip bush, which is inserted between the outer member and the inner member and has mounting parts, into which balls and rollers inserted, and elastic parts having one side cut out in an axial direction, each mounting part having a plurality of first mounting holes and a plurality of second mounting holes. Each elastic part transfers power while compensating for clearance even when the balls disposed between the inner member and the outer member of the slip joint are worn away so that a rattling noise generated due to clearance is removed, and steering stability and durability of the slip joint can be improved. | 06-04-2009 |
| 20090054166 | Fixed Constant-Velocity Universal Joint - The present invention provides a fixed constant velocity universal joint that can be made compact, has little decrease in load capacity even when the fixed constant velocity universal joint is made compact and is at an operating angle, and can improve high angle strength and durability through lessening instances in which a ball runs over a track at a high angle. A cage | 02-26-2009 |
| 20090062022 | CONSTANT VELOCITY FIXED JOINT - A constant velocity fixed joint having an outer and inner joint part forming pairs of ball tracks, wherein the track base lines of the pairs of tracks each form an opening angle relative to one another. The track base lines of the outer ball tracks, at the attaching part end, form a radius whose center is positioned on a first longitudinal axis and is offset by a first offset from the central plane of the outer joint part towards the attaching part. The track base lines of the inner ball tracks, at the aperture end, comprise a radius whose center is positioned on the second longitudinal axis and is offset by a second offset from the central plane of the inner joint part towards the aperture. | 03-05-2009 |
| 20090054165 | Constant Velocity Universal Joint and Inner Member of the Same - Automatic installation of a circlip is facilitated even when an axial length (inner race width) of a protrusion of an inner race is reduced. An inner race ( | 02-26-2009 |
| 20090239669 | Joint Assembly and a Total Assembly of Bearing Apparatus for a Driving Wheel - A joint assembly has a secured type constant velocity universal joint, a slide type constant velocity universal joint, and substantially cylindrical elastomer unit covers. The secured type constant velocity universal joint includes one outer joint member formed with a plurality of curved and axially extending first track grooves on its inner circumference. A joint inner ring is formed on its outer circumference with second track grooves opposite to the first track grooves. Torque transmitting balls are contained within ball tracks formed by the first and second track grooves. A cage rollably holds the torque transmitting balls within the ball tracks. A drive shaft has one end connected to the joint inner ring. A boot is mounted on the drive shaft and on an outer circumference at an opened side of the one outer joint member. The slide type constant velocity universal joint includes a boot mounted on the drive shaft and on an outer circumference at an opened side of the outer joint member. The unit covers have reduced diameter portions and are mounted on the outer circumferences of both the constant velocity universal joints. Each of the unit covers is formed as two parts divided along a parting plane including its axis. Each has radially extending flat abutting surfaces on the parting plane. Fastening portions are formed on the abutting surfaces and adapted to be engaged, via an elastic deformation of them, so that the unit covers are detachably mounted on both the constant velocity universal joints. | 09-24-2009 |
| 20090258716 | Fixed Constant Velocity Universal Joint - Provided is a fixed constant velocity universal joint of a structure, which easily allows incorporation of an inner ring into a cage without impairing a function of the joint. The fixed constant velocity universal joint has an outer ring having in an inner spherical surface thereof a plurality of track grooves arranged at equal circumferential intervals and extending axially toward an open end; an inner ring ( | 10-15-2009 |
| 20080214316 | Ball-and-Socket Joint and Universal Shaft - A ball-and-socket joint comprising an inner hub ( | 09-04-2008 |
| 20110059804 | FIXED-TYPE, CONSTANT-VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which is capable of achieving the following even at the time of an unexpected high-angle operation, in particular, even when an angle expected during use of a constant velocity universal joint is exceeded: reduction of stress generated when balls and edge portions interfere with each other, suppression of chipping of the edge portions, and prolongation of a service life of the joint as a whole. The fixed type constant velocity universal joint includes: an outer joint member having an inner surface ( | 03-10-2011 |
| 20100216558 | FIXED TYPE CONSTANT VELOCITY JOINT - A fixed type constant velocity joint comprises: an outer race having an inner spherical surface, and a plurality of guide grooves formed in an axial direction in the inner spherical surface of the outer race, each guide groove having a circular shape in a longitudinal cross section thereof; an inner race having an outer spherical surface, and a plurality of guide grooves formed in an axial direction in the outer spherical surface of the inner race, each guide groove having a circular shape in a longitudinal cross section thereof, said guide grooves of the outer race and said guide grooves of the inner race together forming a plurality of ball guide tracks arranged around the circumference of the joint; a plurality of balls disposed in the ball guide tracks; and a cage installed between the inner spherical surface of the outer race and the outer spherical surface of the inner race, said cage having a plurality of windows for retaining the balls therein. The ball guide tracks include first tracks and second tracks with different groove configurations and having dual, multiple, or differentiated center offsets with smaller offsets applied to the tracks having relatively large ball movements and larger offsets applied to the tracks having relatively small ball movements as the joint is articulated for assembling. | 08-26-2010 |
| 20100216559 | HOMOKINETIC PLUNGING BALL JOINT WITH LOW PLUNGING FORCES - A homokinetic rotary ball joint in the form of a plunging joint is described. The joint comprises a joint outer part | 08-26-2010 |
| 20100227696 | Displacement Unit and Universal Shaft Comprising a Displacement Unit - The invention relates to a displacement unit and to a universal shaft comprising said type of displacement unit. Said displacement unit comprises a tubular-type external part on whose inner surface outer paths are provided at least in sections, an inner part that can be displaced in an axial direction in the external part, on whose outer surface inner paths are arranged at least on sections, and balls that are guided in a cage, said balls being arranged for transmitting torque, respectively in outer and inner paths that are arranged in pairs. The external part and/or the inner part comprise cage guide paths for displacing the cage axially, arranged between at least a few of the outer paths or the inner paths. The number of cage guide paths is smaller than the number of pairs of paths formed by the outer paths and the inner paths. | 09-09-2010 |
| 20100210368 | CONSTANT VELOCITY UNIVERSAL JOINT - In order to ensure sufficient strength of an inner joint member even when the thickness of the inner joint member is reduced for achieving reduction in weight and size and even when a high operating angle is formed and high load torque is applied, a constant velocity universal joint includes: an outer joint member ( | 08-19-2010 |
| 20090069101 | Cross Groove Constant Velocity Universal Joint - A cross groove constant velocity universal joint for a drive shaft or a propeller shaft of an automotive vehicle includes an inner ring ( | 03-12-2009 |
| 20090017922 | Fixed-center constant velocity joint - A fixed-center constant velocity joint has a race located concentrically to a rotational first axis, and a ring-shaped cage located concentrically to a rotational second axis. Both the race and the cage are centered to a common center point lying on the first and second axes regardless of the angular state of the joint. A spherical surface carried by the race radially opposes a spherical face carried by the cage for angular movement with respect to the center point. The surface and face are in close or contacting relationship to prevent telescoping movement with respect to the first and second axes. | 01-15-2009 |
| 20100016086 | CONSTANT VELOCITY UNIVERSAL JOINT - In the fixed type constant velocity universal joint, the center of each of the guide grooves of the outer joint member is offset to a position of being spaced apart from the joint central plane to the joint opening side by an axial distance (F), and being spaced apart from the joint central axis line to an opposite side in a radial direction with respect to each of the guide grooves by a radial distance (Fr). Further, the center of each of the guide grooves of the inner joint member is offset to a position of being spaced apart from the joint central plane to a joint innermost side by the axial distance (F), and being spaced apart from the joint central axis line to the opposite side in the radial direction with respect to each of the guide grooves by the radial distance (Fr). | 01-21-2010 |
| 20100062865 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of, without involving decreases in load capacity of an inner joint member (inner member) and in spherical area, increasing rigidity of a cage and stabilizing durability. Pockets ( | 03-11-2010 |
| 20100120546 | BOOT FOR CONSTANT-VELOCITY UNIVERSAL JOINT AND CROSS-GROOVED CONSTANT-VELOCITY UNIVERSAL JOINT - A boot for constant-velocity universal joint comprises a major-diameter cylindrical portion | 05-13-2010 |
| 20110212788 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT, METHOD OF MANUFACTURING FIXED CONSTANT VELOCITY UNIVERSAL JOINT, AND BEARING DEVICE ADAPTED FOR USE IN DRIVING WHEEL AND USING FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint, including: an outer joint member having an inner spherical surface provided with a plurality of track grooves extending in an axial direction; an inner joint member having an outer spherical surface provided with a plurality of track grooves extending in the axial direction in pairs with the plurality of track grooves of the outer joint member; a plurality of balls interposed between the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member so as to transmit torque; and a cage interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member so as to hold the plurality of balls, at least one of the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member being formed by cold-forging finishing, in which components including the outer joint member, the inner joint member, the plurality of balls, and the cage are assembled to each other based on matching in which the plurality of balls and the cage each having a rank corresponding to a measured value of a PCD of the outer joint member, which has been arbitrarily selected, and to a measured value of a PCD of the inner joint member, which has been arbitrarily selected, are selected with respect to the arbitrarily selected outer joint member and the arbitrarily selected inner joint member. | 09-01-2011 |
| 20110212789 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Wedge angles are formed between mutually facing central track-groove portions ( | 09-01-2011 |
| 20090143152 | COUNTER TRACK JOINT WITH BALL CAGE - A constant velocity joint in the form of a counter-track joint. The circumferential length (L | 06-04-2009 |
| 20100029395 | COUNTER TRACK JOINT FOR LARGE ARTICULATION ANGLES - A constant velocity counter track joint having an outer joint part with outer ball tracks having first tracks opening toward the aperture end and second tracks opening toward the attaching end. The center line of the second tracks, departs, radially inwardly, a first reference radius centered in the point of intersection of a perpendicular line on the tangent at the center line of the ball track and the longitudinal axis. In the inner joint part, the center line of the ball tracks departs, radially inwardly, a second reference radius centered in the point of intersection of a perpendicular line on the tangent at the center line of the ball track and the longitudinal axis. In the outer joint part, the center line of the ball tracks towards the aperture end, moves radially outwardly beyond said first reference radius. In the inner joint part, the center line of the ball tracks towards the attaching end, moves radially outwardly beyond said second reference radius. | 02-04-2010 |
| 20080242432 | Displacement Unit and Joint Shaft Including such a Displacement Unit - A displacement unit and a jointed shaft which includes such a displacement unit. The displacement unit is formed of an external part and of an internal part which can be displaced in an axial direction in the external part, in which the external and internal parts have guide paths provided with balls arranged in the guide paths for the transmission of torque. | 10-02-2008 |
| 20110065519 | FIXED UNIFORM-MOTION UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint of an eight-ball undercut-free type, which is capable of achieving an improvement of torque capacity at a high operating angle while ensuring durability at the time of a low operating angle. In the fixed type constant velocity universal joint of the eight-ball undercut-free type, a center of a track groove ( | 03-17-2011 |
| 20120015751 | Constant Velocity Ball Joint - A joint, particularly a constant velocity ball joint, including an inner hub and an outer hub, which hubs exhibit respective inner and outer ball tracks which are associated with each other in pairs, and further including balls disposed in the pairs of associated inner and outer ball tracks, the tracks being configured such that at the contact points of the balls with the ball tracks the tangential planes form an angle of inclination, and the ball tracks exhibiting at any given time a continually changing curvature, as a result of which the angle of inclination is constant. | 01-19-2012 |
| 20110092300 | METHOD FOR PRODUCING A TORQUE TRANSMISSION DEVICE USEFUL AS A FIXED CONSTANT VELOCITY BALL JOINT FOR DRIVE SHAFTS - A method for producing a torque transmission device such as a fixed constant velocity ball joint constructed as an opposed track joint in which the curvatures bases of the tracks of the joint deviate in their axial course from the curvatures of the ball contact lines. The method is characterized in that prior to the formation of a longitudinal profile of a joint component, the component is brought to an increased hardness by a hardening process and a diffusion layer is partially or completely removed in the region of the longitudinal profile. | 04-21-2011 |
| 20100130290 | DOUBLE-OFFSET CONSTANT VELOCITY UNIVERSAL JOINT - The outer peripheral surface ( | 05-27-2010 |
| 20120165105 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint, which is capable of preventing heat generation when high load is applied or during high-speed rotation to improve durability, and further, suppressing a contact resistance between a cage and inner and outer races to improve constant velocity performance. A curvature center of a track groove ( | 06-28-2012 |
| 20120129616 | Constant Velocity Joint and Drive Shaft - The invention relates to a constant velocity joint having an inner race ( | 05-24-2012 |
| 20100173715 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which is capable of reducing the size and weight while keeping the strength of a cage, and is also capable of improving the high angle strength and the durability. In the fixed type constant velocity universal joint, a center curvature of an outer spherical surface ( | 07-08-2010 |
| 20100173714 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUFACTURING OUTER RACE THEREOF - A fixed constant velocity universal joint includes: an outer race ( | 07-08-2010 |
| 20120220382 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is an eight-ball fixed type constant velocity universal joint of an undercut free type, which is capable of increasing a torque capacity at high operating angles while securing durability at low operating angles. When a distance between a center of a track groove ( | 08-30-2012 |
| 20090017921 | Self-retained constant velocity joint - A self-retained constant velocity joint has a ring-shaped cage disposed substantially concentrically to and spaced radially from a race of the joint. A plurality of grooves in and distributed circumferentially about the race preferably includes longitudinal, clockwise and counter-clockwise grooves that extend substantially axially and communicate radially through the arcuate surface. A ball is located in each groove and extends through respective windows in the cage. Preferably, the windows associated with the clockwise and counter-clockwise grooves extend circumferentially further than the windows associated with the longitudinal grooves. The cage carries an arcuate face that is one of a convex and concave profile and radially opposes the arcuate surface that is the other of the convex and concave profiles. The radial distance between the face and surface is such that axial movement between the race and cage is limited by intermittent contact of the face with the surface. | 01-15-2009 |
| 20110045914 | CAGE FOR CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a cage for a constant velocity universal joint, which is capable of extending a life of a cutting tool and achieving reduction in manufacturing cost. The cage for a constant velocity universal joint includes: an outer diameter surface guided by an outer joint member; an inner diameter surface ( | 02-24-2011 |
| 20100234116 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of obtaining, in every angular region, wear resistance against rolling of balls and a stable high fatigue strength characteristic. The fixed type constant velocity universal joint includes: an outer joint member including an inner surface ( | 09-16-2010 |
| 20100234115 | Constant velocity universal joint - The present invention provides a compact constant velocity universal joint having high strength, and superior operability and durability. In the constant velocity universal joint of the present invention, an offset angle ø | 09-16-2010 |
| 20120329565 | Cage for Ball Joint and Ball Joint - A cage for a ball joint, the cage being configured annularly about a longitudinal axis and having an inner surface and an outer surface, two edges delimiting the inner surface and the outer surface and a window, in which the inner surface surrounds an inner space of the cage and two webs laterally adjoin the window. One edge of the cage has an offset relative to the longitudinal axis in relation to one of the two webs at the height of the window. A ball joint with a corresponding cage is also disclosed. | 12-27-2012 |
| 20130012326 | CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a constant velocity universal joint having track shapes which facilitate quality control on a forging die set and products as in a conventional case while securing higher durability through securement of a stable contact state of forging-molded tracks and finishing-processed tracks with respect to balls. At least one of each of track grooves ( | 01-10-2013 |
| 20080248885 | Constant Velocity Ball Joint - A ball and socket joint ( | 10-09-2008 |
| 20080220886 | Constant Velocity Joint - A constant velocity join has an input shaft side member having first guiding grooves formed in it; an output shaft member having guiding grooves formed in it, the second guiding grooves intersecting the first guiding grooves; a retainer having retaining windows formed in it; and a torque transmission member that is held so as to be displaceable along the retaining windows of the retainer and in which a first ring body and a second ring body are rotatably supported by a first shaft body and a second shaft body through a needle bearing, the first shaft body and the second shaft body being in rotating contact with side walls of the first guiding grooves and/or with side walls of the second guiding grooves. | 09-11-2008 |
| 20130102397 | FIXED-TYPE CONSTANT VELOCITY UNIVERSAL JOINT - In a fixed type constant velocity universal joint ( | 04-25-2013 |
| 20130123027 | Ball type constant velocity joint for vehicle - Provided is a ball type constant velocity joint for a vehicle. The ball type constant velocity joint includes an inner race installed at an end of a shaft, an outer race installed outside the inner race, a plurality of hails for transmitting rotational power of the inner race to the outer race, and a cage having windows for supporting the balls, wherein a ball track of the outer race is divided into two sections consisting of an outer race radial track and an outer race linear track contiguous to the outer race radial track, and when a joint angle is not created, a rotation center of the outer race radial track and a rotation center of the inner race linear track are positioned at the same point on a vertical center axis and have the same vertical offset amount. | 05-16-2013 |
| 20130130811 | SLIDING BALL TYPE CONSTANT VELOCITY JOINT FOR VEHICLE - Provided is a sliding ball type constant velocity joint for a vehicle, which can minimize vehicle vibration by forming a track groove pair by two track grooves of an outer race and an inner race to reduce a contact area between the inner race and a cage, and can reduce the manufacturing cost by reducing the number of processing steps of the cage by forming the number of windows of the cage to half that of balls. | 05-23-2013 |
| 464146000 | Bottom wall of groove in outer member is parallel to axial centerline of outer member (e.g., internally grooved cylinder) | 10 |
| 20110077091 | SHOCK ABSORBING PROPELLER SHAFT APPARATUS FOR MOTOR VEHICLE - In a shock absorbing propeller shaft apparatus for a motor vehicle, a stop ring is fitted to an annular groove provided in an outer periphery of a shaft-like inner close to a base end with respect to a portion to which an inner race of a constant velocity joint in the shaft-like inner is fitted, a collar main body of a collar is inserted to an outer periphery between a portion to which the inner race of the constant velocity joint in the shaft-like inner is fitted and a portion to which the stop ring is fitted, in the outer periphery of the shaft-like inner, and a flange portion protruding out in an axial direction from an outer diameter side of one end of the collar main body is attached to cover an outer periphery of the stop ring. | 03-31-2011 |
| 20090298599 | Dual Type Constant Velocity Universal Joint - The present invention intends to solve the problems of greasing work efficiency and lubricating ability of a double Cardan joint by forming a dual type of a constant velocity universal joint. The dual type constant velocity universal joint of the present invention includes two constant velocity universal joints. Each constant velocity universal joint includes: a cylindrical outer ring | 12-03-2009 |
| 20090264208 | Fixed Constant-Velocity Universal Joint - In a fixed constant velocity universal joint with eight balls, the present invention achieves improvement in cage strength by increasing a smallest outer diameter of a cage and improvement in joint strength at a high operating angle by ensuring required inner spherical area and spherical surface angle in an outer member regardless of the smallest outer diameter of the cage. In the fixed constant velocity joint of the present invention, among eight frontal sections adjacent to an inner spherical surface | 10-22-2009 |
| 20090048030 | SLIDING TYPE CONSTANT VELOCITY UNIVERSAL JOINT - The outer diameter of a joint outer ring is reduced using simple means, so that a constant velocity universal joint that can easily be reduced in weight and size is provided. It is an object to improve the unnerving vibrations, muffled noises, and the like. | 02-19-2009 |
| 20110070955 | Cross Groove Type Constant Velocity Joint with Composite Groove Patterns - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair; and a cage having circumferentially displaced cage windows to accommodate a plurality of balls therein. The groove patterns of the ball grooves can be a combination of skewed grooves and non-linear grooves, a combination of non-linear grooves such as a curved groove or a compositely shaped groove, or a combination of linear grooves and non-linear grooves. | 03-24-2011 |
| 20120309546 | SLIDING BALL TYPE CONSTANT VELOCITY JOINT FOR VEHICLE - Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage. | 12-06-2012 |
| 20110070956 | PLUNGING CONSTANT VELOCITY UNIVERSAL JOINT - Unpleasant vibration and muffled sound are restrained. A constant velocity universal joint includes an outer joint part having a plurality of track grooves formed on its cylindrical inner circumferential surface and extending in an axial direction, an inner joint part having a plurality of track grooves formed on its spherical outer circumferential surface and extending in the axial direction, six torque transmitting balls, each being put in a ball track formed by a pair of the track groove of the outer joint part and the track groove of the inner joint part, and a cage having pockets for retaining the torque transmitting balls. The center of curvatures of the spherical outer circumferential surface and the center of the spherical inner circumferential surface of the cage are offset by the same distance in the opposite directions along the axis about the center of the joint. A circumferential arrangement of the ball tracks is made with a uniform pitch, and a circumferential arrangement of the pockets of the cage is made with a random and non-uniform pitch of 55° or more. | 03-24-2011 |
| 20080293500 | Direct Torque Flow Constant Velocity Joint Having Collet Connection - A direct torque flow constant velocity joint collet connector includes an outer joint part having outer ball tracks, an inner joint part having inner ball tracks, a cage and a plurality of balls. The inner joint part is articulately secured in a rotationally fast way to the outer joint part with the plurality of balls held in the cage. The inner joint part includes a front portion, an inner bore, a collet extension and at least one slot. The collet extension extends from the inner ball tracks to the front portion of the inner joint part. The slot extends into the collet extension from the front portion between an outer surface and the inner bore of the inner joint part, wherein the collet extension of the inner joint part is compressible for selective attachment to a journal shaft of a supplied drive unit. | 11-27-2008 |
| 20110124420 | CAGE FOR CONSTANT VELOCITY UNIVERSAL JOINT AND CONSTANT VELOCITY UNIVERSAL JOINT - To achieve both cost reduction and strength enhancement of a cage by appropriately managing, at the time of forming pockets through a punch-pressing process in a base material made of medium-carbon steel, a size of a secondary fracture portion formed in a shear surface of the base material. Provided is a cage ( | 05-26-2011 |
| 20120283030 | DOUBLE OFFSET CONSTANT VELOCITY JOINT - A double offset constant velocity joint is provided. The constant velocity joint includes an outer element, an inner element, an annular element, and a plurality of torque transferring elements. The annular element has a first spherical outer surface, a second spherical outer surface, a spherical inner surface, and a plurality of perforations formed therethrough. The first spherical outer surface and the spherical inner surface have a center common with a spherical outer surface of the inner element. The second spherical outer surface has a center different from a joint pivot point and the first spherical outer surface. The second spherical outer surface has a diameter complementary to a diameter of the inner surface of the outer element. The annular element is disposed between the inner element and the outer element. | 11-08-2012 |
