Class / Patent application number | Description | Number of patent applications / Date published |
192450001 | Ball or roller | 44 |
20120061200 | CLUTCH AND MOTOR - A clutch is provided that includes an annular clutch housing, a driving-side rotor, a driven-side rotor having a control surface, and a rolling element located between the inner circumferential surface of the clutch housing and the control surface. The control surface faces radially outward in the clutch housing. When the driving-side rotor rotates, the rotational driving force of the driving-side rotor is transmitted to the driven-side rotor. When the driving-side rotor is driven to rotate, the rolling element rotates together with the driven-side rotor. When the driving-side rotor is not driven to rotate, the rolling element is held between the inner circumferential surface of the clutch housing and the control surface so as to prevent the driven-side rotor from rotating. The driven-side rotor includes a driven-side coupling portion that can be coupled to and integrally rotatable with the driving-side rotor. The driven-side coupling portion and the control surface are provided at different positions in the axial direction. | 03-15-2012 |
20120279817 | SPRING LEAF AND OVERRUNNING CLUTCH PROVIDED WITH THE SAME - A spring leaf and an overrunning clutch provided with the same are provided. The spring leaf is made up of a support strip ( | 11-08-2012 |
20120305359 | CLUTCH UNIT - Provided is a clutch unit, comprising: a lever-side clutch portion ( | 12-06-2012 |
20130037369 | TWIN CLUTCH HUB - A twin clutch hub includes a one-way roller clutch and a ratchet pawl based clutch mounted to a bicycle hub. A chain wheel seat receives driving power from a bicycle rear wheel and is in operative coupling with the one-way roller clutch and the ratchet pawl based clutch, which are in turn operatively coupled to the hub. When the ratchet pawl based clutch shows a returning side tooth backlash that is greater than or equal to an angle of deformation of the one-way roller clutch, transmission is performed with the one-way roller clutch to make backlash approximating zero. When the angle of returning side tooth backlash of the ratchet pawl based clutch is smaller than or equal to the angle of deformation of the one-way roller clutch, transmission is performed through both the one-way roller clutch and the ratchet pawl based clutch to realize high efficiency twin clutch hub. | 02-14-2013 |
20130126290 | Overrunning Clutch with Integral Piloting Using Assembled Bearing Blocks - A clutch is provided that includes an inner race and an outer race that moves relative to the inner race. A pedestal is also provided and the position of the pedestal is fixed with respect to at least one of the inner race or the outer race. A bearing block is also included that engages the pedestal. In some versions of the clutch the bearing block may be made out of plastic or bronze. | 05-23-2013 |
20130256076 | BRAKE ADJUSTER MECHANISM - A brake adjuster mechanism including an input shaft, a one-way clutch, and a torque limiting clutch. The input shaft is coupled to an input element of the torque limiting clutch. The one-way clutch is coupled to the torque limiting clutch. The torque limiting clutch further includes an output element and a coupling portion, with the coupling portion including a projection for selectively rotationally coupling the input element and the output element. One of the input element and output element includes a first recess circumferentially spaced from a second recess. The projection is selectively biased into the first recess and the second recess. The input element is frictionally coupled by a friction device to the output element to resist rotation of the input element relative to the output element. | 10-03-2013 |
20130299294 | FREEWHEEL CAGE - The invention relates to a free-wheeling cage having a basic body, wherein the basic body includes a first cage ring and a second cage ring, which are arranged around a common axis and wherein cage webs extend axially between the two cage rings, whereby cage pockets are formed, wherein the basic body includes a lubricant reservoir which allows a metered dispensing of lubricant. | 11-14-2013 |
20140090945 | POWER GENERATION DEVICE - A one-way clutch used in a wind turbine generator connects an input rotor with an output rotor so that the input rotor and the output rotor are rotatable together with each other when a main shaft rotates in a forward direction and rotation speed of the input rotor is higher than rotation speed of the output rotor, and disconnects the input rotor and the output rotor from each other when the rotation speed of the input rotor is lower than the rotation speed of the output rotor. Further, the wind turbine generator includes a second one-way clutch that permits transmission of force caused by the rotation of the main shaft, to the input rotor when the main shaft rotates in the forward direction, and restricts the rotation of the main shaft when the main shaft tries to rotate in a reverse direction. | 04-03-2014 |
20140231206 | FLANGED FREEWHEEL - A flanged freewheel ( | 08-21-2014 |
20150053523 | BICYCLE FREEWHEEL - A bicycle freewheel basically includes a driving member, a driven member, at least one first engaging member, at least one second engaging member and at least one contact member. The driving member is to be coupled to a bicycle sprocket, The driven member is to be coupled to a bicycle hub. The driving member and the driven member have oppositely arranged first and second portions, respectively. The at least one first engaging member is disposed on one of the first and second portions, while the at least one second engaging member is disposed on the other of the first and second portions. The at least one second engaging member engages the at least one first engaging member while non-freewheeling. The at least one contact member is disposed on one of the first and second engaging members, and contacts the other of the first and second engaging members while freewheeling. | 02-26-2015 |
20150377305 | CONTINUOUSLY VARIABLE TRANSMISSION - Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle is adapted to receive a carrier assembly to facilitate the support of components in a CVT. In another embodiment, a carrier includes a stator support member and a stator interfacial member. In some embodiments, the stator interfacial member is configured to interact with planet subassemblies of a CVT. Various inventive planet subassemblies and idler assemblies can be used to facilitate shifting the ratio of a CVT. In some embodiments, the planet subassemblies include legs configured to have a sliding interface with a carrier assembly. Embodiments of a hub shell, a hub cover are adapted to house components of a CVT and, in some embodiments, to cooperate with other components of the CVT to support operation and/or functionality of the CVT. Among other things, shift control interfaces and braking features for a CVT are disclosed. | 12-31-2015 |
20160053831 | ONE-WAY CLUTCH DEVICE - A one-way clutch device that includes a radially inner rotary member having a first oil passage formed to extend in a radial direction; and a radially outer rotary member that rotates about a rotational axis about which the radially inner rotary member also rotates, the radially outer rotary member being disposed on a radially outer side with respect to the radially inner rotary member. | 02-25-2016 |
20160076604 | SLIP CLUTCH ASSEMBLY - A slip clutch assembly includes a clutch carrier, a one-way clutch assembly, and a preloaded clutch assembly. The one-way clutch assembly has a portion fixed to the clutch carrier. The preloaded clutch assembly has a first clutch plate, a second clutch plate, and a resilient element. The first clutch plate is drivingly engaged with the carrier. The second clutch plate is arranged for driving engagement with a first portion of a transmission. The resilient element is for compressing the first and second clutch plates. In some example embodiments, the one-way clutch assembly has an outer race, an inner race, and a plurality of blocking elements. The outer race is fixed to the clutch carrier. The inner race is arranged to engage a second portion of the transmission. The blocking elements are selected from the group of rollers or sprags for selectively locking the outer race to the inner race and are disposed radially between the outer race and inner race. | 03-17-2016 |
192450002 | Roller has non-spherical, non-cylindrical force transmitting surface | 1 |
20130068581 | ONE-WAY CLUTCH - A one-way clutch includes shafts | 03-21-2013 |
192450004 | Plural balls or rollers of same shape and size | 30 |
20120103744 | STARTER MOTOR AND ONE WAY CLUTCH - A starter motor includes an electric motor, a drive shaft driven by the motor and an inertia drive pinion which includes a driver in threaded engagement with the drive shaft, a pinion shaft rotatably sleeved on the drive shaft, an output pinion being able to rotate with the pinion shaft, and a one way clutch. At least one elastic member is arranged between the output pinion and the pinion shaft in the axial direction to resiliently support the output pinion to move along the pinion shaft. A one way clutch especially suitable for the starter motor was also disclosed. | 05-03-2012 |
20120132496 | BEARING TYPE OVERRUNNING CLUTCH STRUCTURE - A bearing type overrunning clutch includes an outer ring ( | 05-31-2012 |
20130284555 | CLAMPING ROLLER FREEWHEEL FOR AN ADJUSTING DEVICE IN A MOTOR VEHICLE - A clamping roller freewheel for an adjusting device in a motor vehicle includes a cylindrical outer surface, at least one roller pair, an output shaft, a clamping element which is rotationally connected to the output shaft and which has at least one clamping slope on an opposite side of the roller pair to the cylindrical outer surface, and a spacer device which is at least partially between the rollers and has elastic properties. This spacer device includes a spacer piece and a spring. When the spacer piece is in the normal position, an oblique surface bears against a roller. The spring presses the spacer piece into the normal position in which it exerts, a force on at least one roller. When passing from the normal position to the retracted position, the oblique surface is moved away from the roller. | 10-31-2013 |
20140027235 | MECHANICAL SYSTEM WITH ONE-WAY CLUTCH AND ALTERNATOR COMPRISING SUCH A SYSTEM - The present invention relates to a mechanical system with a one-way clutch, for example a pulley for a motor vehicle alternator, comprising a first element and a second element which are able to move one with respect to the other in rotation about a central axis and delimit an annular housing radially to the central axis, a one-way clutch device arranged in the annular housing, and at least one rolling bearing arranged in the annular housing. The mechanical system is characterized in that the rolling bearing comprises at least one pressed ring distinct from the constituent elements of the one-way clutch device. The invention also relates to an alternator comprising such a mechanical system configured as a pulley with a one-way clutch. | 01-30-2014 |
20140034438 | MECHANICAL SYSTEM COMPRISING A ONE-WAY CLUTCH AND ALTERNATOR COMPRISING SUCH A SYSTEM - The present invention relates to a mechanical system with a one-way clutch, for example a pulley for a motor vehicle alternator, comprising a first element and a second element which are able to move one with respect to the other in rotation about a central axis and delimit an annular housing radially to the central axis, a one-way clutch device arranged in the annular housing, and at least one rolling bearing arranged in the annular housing. The mechanical system is characterized in that the rolling bearing is an angular-contact bearing and comprises at least one pressed ring comprising means of attachment of the rolling bearing to the first element or the second element. The invention also relates to an alternator comprising such a mechanical system configured as a pulley with a one-way clutch. | 02-06-2014 |
20140034439 | MECHANICAL SYSTEM COMPRISING A ONE-WAY CLUTCH AND ALTERNATOR COMPRISING SUCH A SYSTEM - The present invention relates to a mechanical system with a one-way clutch, for example a pulley for a motor vehicle alternator, comprising a first element and a second element which are able to move one with respect to the other in rotation about a central axis and delimit an annular housing radially to the central axis, a one-way clutch device arranged in the annular housing, and at least one rolling bearing arranged in the annular housing. The mechanical system is characterized in that the rolling bearing is an angular-contact bearing and comprises at least one pressed ring comprising means of attachment of the rolling bearing to the first element or the second element. The invention also relates to an alternator comprising such a mechanical system configured as a pulley with a one-way clutch. | 02-06-2014 |
20140102845 | ONE WAY CLUTCH - One way clutch has an inner ring, an outer ring and torque transmission members between them. Each torque transmission member can shift between a torque transmission position and a non torque transmission position. Biasing members bias the torque transmission members respectively toward the torque transmission positions. A retainer includes first and second mount portions that retain the torque transmission members and the biasing members corresponding thereto. Each of the mount portions has a securing portion that secures one end of the biasing member, and the torque transmission member is pressed by the other end of the biasing member. The biasing force that the biasing members retained by the second mount portions exert on the torque transmission members corresponding thereto is larger than the biasing force that the biasing members retained by the first mount portions exert on the torque transmission members corresponding thereto. | 04-17-2014 |
20140346000 | ROTATION TRANSMISSION DEVICE WITH BUILT-IN ONE-WAY CLUTCH AND ALTERNATOR COMPRISING SUCH A DEVICE - A rotation transmission device with a built-in one-way clutch having an inside rotational member, an outside rotational member disposed concentrically with the inside rotational member is proposed. The device includes a one-way clutch that is radially disposed in an annular space defined between the inside rotational member and the outside rotational member, and at least one bearing disposed in the said annular space. The outside rotational member is made in a plastic material and is overmoulded onto at least one stiffening insert. | 11-27-2014 |
20150034442 | FREEWHEEL AND FREEWHEEL ARRANGEMENT - The present invention relates to a freewheel ( | 02-05-2015 |
20150060224 | DRIVING DEVICE FOR A HUB - A hub assembly includes a hub with an axle extending axially therethrough. A socket has an open end in a first end thereof which is inserted into the space of the hub. A driving unit includes a sleeve, two ratchet rings, two roller members and two resilient members. The first and second ratchet rings are engaged with each other by teeth on the two respective end faces thereof. The first and second ratchet rings are mounted to the sleeve. The two roller members are respectively located in the two ratchet rings. The two resilient members are mounted to two ends of the sleeve respectively and located outside of the first and second ratchet rings. The driving unit is located in the space and the axle extends through the driving unit which is an integral single part. The driving device operates smoothly and has less noise. | 03-05-2015 |
20150068858 | Overrunning Clutches - In at least one illustrative embodiment, a clutch may comprise an outer race, an inner race, and an engagement assembly disposed in a space located radially between the outer and inner races. The engagement assembly may comprise a plurality of locking members and a biasing shoe frictionally engaged with one of the outer race and the inner race. The locking members may be configured to move with the biasing shoe within the space between an unlocked position, in which the locking members are free to move relative to the outer race and to the inner race, and a locked position, in which the locking members are wedged between the outer and inner races to couple the outer and inner races for rotation together. | 03-12-2015 |
20150068859 | ROLLER-TYPE ONE-WAY CLUTCH - In a roller type one-way clutch comprising: an outer race; an inner race that is apart from the outer race on an inner diameter side in a radial direction and concentrically arranged to allow its relative rotation; a plurality of rollers that are arranged between the outer race and the inner race and transmit a torque between the outer race and the inner race; and a plurality of block bearings that are arranged between the rollers and between the outer race and the inner race, the roller type one-way clutch is characterized in that a curvature in a circumferential direction of a bearing surface of the block bearing facing an outer peripheral surface of the inner race is higher than a curvature in the circumferential direction of the outer peripheral surface of the inner race. | 03-12-2015 |
20150075935 | ROTATION TRANSMISSION DEVICE - A rotation transmission device includes a control retainer and a rotary retainer having bars arranged circumferentially alternating with each other such that pockets are defined between the adjacent pairs of bars. A pair of rollers are mounted in each pocket with an elastic member disposed between the pair of rollers such that the pair of rollers are pushed by the respective bars to their respective disengaged positions when the control retainer and the rotary retainer rotate relative to each other. A spring holder is fitted on an input shaft while abutting one axial end surface of an inner ring. The spring holder has spring support pieces on the outer periphery thereof to prevent radially outward movement of the elastic members. The spring support pieces are plate-shaped members disposed radially outwardly of the elastic members to extend in the axial direction in parallel to the outer periphery of the inner ring. | 03-19-2015 |
20150075936 | ROTATION TRANSMISSION DEVICE - A rotation transmission device includes a two-way clutch which is selectively engaged and disengaged by an electromagnetic clutch. The two-way clutch includes a control retainer and a rotary retainer. The control retainer and the rotary retainer have flanges and bars formed on outer peripheral portions of the respective flanges and arranged so as to circumferentially alternate with each other with pockets defined between adjacent bars. Two rollers are received in each pocket. When the control retainer and the rotary retainer are rotated relative to each other, the rollers are adapted to be pushed by the bars to the disengaged position. An anti-rotation arrangement is provided on opposed surfaces of an outer ring and the control retainer member. The anti-rotation arrangement is adapted to prevent the control retainer from rotating relative to the outer ring while the rollers are in engagement, thereby preventing the rollers from moving to the neutral position. | 03-19-2015 |
20150129387 | CONE ROLLER LOCK DEVICE - A roller lock device has a shaft and a housing configured over the shaft for selective relative movement thereto. A plurality of rollers is configured between the housing and the shaft, at least some of which are substantially conically shaped. A cage is configured between the housing and the shaft and adjacent the rollers such that the rollers are at least partially constrained from movement by the cage. A control is configured to move the rollers axially thereby engaging and disengaging the roller lock. The housing has ramps configured to receive the rollers, the ramps having a curved contour. | 05-14-2015 |
20160017934 | ONE-WAY CLUTCH AND ONE-WAY CLUTCH UNIT FOR WIND POWER GENERATION DEVICE - A one-way clutch, disposed between an input rotating body and an output rotating body, is used to connect the input and output rotating bodies so that the rotating bodies are rotatable integrally in a state in which the rotation speed of the input rotating body is higher than that of the output rotating body and to cut off the connection between the input and output rotating bodies in a state in which the rotation speed of the input rotating body is lower than that of the output rotating body. A plurality of engaging elements or an inner ring and an outer ring constituting the one-way clutch are made of a base material obtained by subjecting a martensitic stainless steel material to soft nitriding treatment, and the Vickers hardness of the portion up to 20 μm from the surface of the contact portion thereof is 1000 to 1500 Hv. | 01-21-2016 |
20160017936 | SLEEVE-TYPE FREEWHEEL - A sleeve-type freewheel having a sleeve with clamping ramps which are provided on the inner circumference and a plurality of needle-shaped or roller-shaped clamping bodies which are assigned to the clamping ramps, and a housing formed of lightweight metal and in which the sleeve is received, wherein the sleeve ( | 01-21-2016 |
20160138663 | SPRING FOR USE IN ONE-WAY CLUTCH AND ONE-WAY CLUTCH | 05-19-2016 |
20160252142 | ENERGIZING ELEMENTS FOR A CLUTCH | 09-01-2016 |
192450005 | Received in recesses in each of two cooperating clutch races | 4 |
20140069761 | Mechanically-Actuated Direction-Sensing Roller Clutch - A roller clutch including an outer race, an inner race, a first engagement member situated between the outer race and the inner race, and a second engagement member situated between the outer race and the inner race. The first engagement member is configured to engage the outer race and the inner race to transmit torque between the outer race and the inner race only in response to the inner race turning in a positive direction and applying negative torque to the first engagement member. The second engagement member is configured to engage the outer race and the inner race to transmit torque between the outer race and the inner race in response to the inner race applying positive torque to the second engagement member while the outer race applies negative torque to the second engagement member. | 03-13-2014 |
20140231207 | ENERGIZING ELEMENTS FOR A CLUTCH - An electromagnetic clutch includes a rotatable input member and a rotatable output member. A clutch plate is fixed for rotation with one of the input member and the output member. An armature plate is axially moveable relative to the other of the input member and the output member. A self-energizing actuator includes energizing elements for converting rotary motion of the input member to linear movement of the armature plate. The actuator includes a biasing member urging relative rotation between the one of the input member and the output member and the armature plate to initially engage the armature plate and the clutch plate. The self-energizing actuator provides an additional clutch engagement force once the input member is driven and also includes an electromagnet to axially translate the armature plate and disengage the armature plate and the clutch plate. Alternative designs for the energizing elements includes a mechanical memory material having any one of a beam shape, a rod shape, a shaped roller or a matrix member. | 08-21-2014 |
20150075937 | BEARING STRUCTURE - A bearing structure includes an outer ring, an inner ring, a middle base and a plurality of roller sets, the middle base sandwiched in between the outer ring and the inner ring, the middle base assembled at the outer ring, the middle base having an assembling hole opened at a center thereof, the inner ring assembled in the assembling hole, the middle base having a plurality of positioning openings opened on a wall of the assembling hole therethrough, each positioning opening having two grooves defined at two opposite walls thereof, each roller set assembled in each positioning opening, two ends of each roller set respectively inserted into the two grooves of each positioning opening, an elastomer assembled in each positioning opening, the elastomer located between the two grooves, two ends of the elastomer respectively abutting against another wall of each positioning opening and one end of each roller set. | 03-19-2015 |
20160169301 | CLUTCH | 06-16-2016 |
192450006 | Including cage | 5 |
20150144450 | CAGE BLANK FOR A FREE WHEEL, FREE WHEEL CAGE FORMED FROM SUCH A BLANK, FREE WHEEL COMPRISING SUCH A CAGE AND METHOD FOR ASSEMBLING SUCH A FREE WHEEL - The cage blank for a free wheel with at least one of rolling bodies and cams wherein the cage blank has two parts and comprises a main part defining cells for receiving the at least one of rolling bodies and cams. The cage blank includes a cover for closing the cells. Before the cover is assembled on the main part, each cell has, at an axial end, along a longitudinal axis of the main part, an opening for placing a rolling body or a cam. | 05-28-2015 |
20150144451 | FREE WHEEL WITH ROLLING BODIES AND METHOD FOR MANUFACTURING SUCH A FREE WHEEL - A free wheel with rolling bodies provides an inner ring, an outer ring, a plurality of rolling bodies, positioned in an annular space arranged radially between the inner and outer rings, and a cage for keeping the rolling bodies in position. The cage defines individual receiving housings for the rolling bodies. The free wheel has elastic retaining members for keeping the rolling bodies in their housings, each member having least two tongues that come into contact with two rolling bodies positioned in two adjacent housings of the cage. The tongues positioned on either side of a housing delimit an opening there-between through which a rolling body rolls on a track of a first ring. The width of the opening, measured in an orthoradial direction with respect to a relative axis of rotation of the inner and outer rings, has a value smaller than the diameter of the rolling bodies. | 05-28-2015 |
20160010705 | ONE-WAY CLUTCH DEVICE | 01-14-2016 |
192450008 | Balls or rollers spring biased toward engaged state | 2 |
20160097432 | One-way clutch pulley for alternator - A one-way clutch pulley for an alternator contains: a body and a driving cylinder, the body includes a plurality of recesses arranged around an outer wall thereof to accommodate plural springs and plural rolling elements. Preferably, the body and the driving cylinder are one-piece casted to enhance structural reinforcement and to lower manufacture cost. | 04-07-2016 |
192450011 | Including bearing block between clutch races and between balls or rollers | 1 |
20130092493 | ONE-WAY CLUTCH - A one-way clutch includes multiple rollers, a first collar and a second collar that are coupled together to form relative rotation between them, and a circular holding frame. The first collar has multiple cavities each having an inclined bottom surface. The circular holding frame has multiple slots corresponding to the rollers and exposing the cavities. The second collar is rotated to drive the circular holding frame rotating through friction force so that each roller is pushed to contact a higher portion of the inclined bottom surface and also the second collar drives the first collar rotating via pushing of the rollers. When rotational speed of the first collar is greater than that of the second collar, each roller enters a lower portion of the inclined bottom surface and separates from the second collar without transmitting torsional force between the second collar and first collar. | 04-18-2013 |
192450017 | Including separating means on clutch race | 2 |
192450018 | Spring biased ball or roller | 2 |
20150114783 | FREEWHEEL AND FREEWHEEL ARRANGEMENT - The disclosure relates to a freewheel ( | 04-30-2015 |
192450019 | By other than circular helical spring | 1 |
20160076602 | FREEWHEEL MECHANISM - A freewheel mechanism comprising grips, mating with rolling-and-gripping rollers, that are mating with concave raceway, wherein it contains the rolling-and-rotating rollers, wherein the radius of the rolling-and-rotating roller is smaller than the radius of the rolling-and-gripping roller, wherein one or more rolling-and-rotating rollers and one or more rolling-and-gripping rollers are coaxially connected with each other, wherein each rolling-and-rotating roller is mating with one stationary interlock or rotary interlock, or rotary interlock provided with bearing, wherein each rolling-and-rotating roller is mating with one convex path, wherein the radius of the concave raceway is equal to the sum of the radius of the rolling-and-gripping roller, the radius of the rolling-and-rotating roller and the radius of the convex path. The disclosure relates also to a freewheel mechanism containing internally situated convex raceway and outside situated grips, concave paths and interlocks. | 03-17-2016 |