Class / Patent application number | Description | Number of patent applications / Date published |
192700270 | With spring means to move clutch-element axially | 20 |
20080196991 | CLUTCH FOR INJURY MITIGATION SYSTEM FOR POWER TOOLS - A clutch mechanism includes a bolt threadably received by a drive shaft and configured to secure the blade on an inner washer disposed about the drive shaft. The clutch mechanism also includes a spring assembly that is generally annularly disposed around the bolt. When the spring assembly is compressed, the spring assembly is configured to grip the blade inner washer and the spring assembly. At least one shallow pocket and at least one deep pocket are disposed in a lower surface of an upper retainer, and at least one geometric spacer extends from the spring assembly. In the coupled condition, the geometric spacer is engaged with the shallow pocket, and in the uncoupled condition, the plug structure is engaged with the deep pocket. | 08-21-2008 |
20100084241 | FRICTION ENGAGEMENT APPARATUS - {Problem} To provide a friction engagement apparatus for effectively restraining a piston from being deformed with a cut-off recession formed in the piston to prevent the piston from interfering with other neighboring members | 04-08-2010 |
20100206681 | CLUTCH COVER ASSEMBLY - A clutch cover assembly ( | 08-19-2010 |
20100230229 | Starting Clutch, Particularly for Racing and Sports Vehicles - A starting clutch, particularly for racing and sports vehicles, has clutch plates, of which at least one is non-rotatably coupled with a clutch cage of the starting clutch and at least one is non-rotatably coupled with a clutch hub of the starting clutch. A set of springs composed of at least two diaphragm-spring-type spring elements, which presses the clutch plates together when the starting clutch is closed and permits a torque transfer from the clutch cage to the clutch hub and vice-versa. Viewed from the clutch plates, the first or second spring element has at least a first elevation on its side facing the respective second or first spring element, which elevation presses against the respective second or first spring element when the starting clutch is closed. | 09-16-2010 |
20110017566 | Pull-Type Friction Clutch With Integrated Clutch Release Device - A pull-type racing clutch has an integrated clutch release device. A piston which can be actuated hydraulically is formed directly by an outer ring of a rolling bearing arrangement. | 01-27-2011 |
20110031086 | TORQUE-TRANSMITTING MECHANISM HAVING A COMPACT PISTON AND SPRING ASSEMBLY - A transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque-transmitting devices. A hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members. | 02-10-2011 |
20130256084 | SLIP CLUTCH - A slip clutch, including: a flywheel; and a vibration damper including: first and second cover plates; a flange; and at least one spring engaged with the cover plates and flange. The clutch includes a slip assembly, with a first plurality of circumferentially aligned surfaces: fixedly connected to the flywheel or formed with the flywheel; and at an acute angle with respective to a circumferential line, and a second plurality of circumferentially aligned surfaces: formed by a portion of the first cover plate radially outward of the spring; at an acute angle with respective to a circumferential line; and in contact with the first plurality of surfaces, or engaged with the first plurality of surfaces via an intermediate element in contact with the first and second pluralities of surfaces. The slip assembly includes a resilient element applying a force to the first cover plate in an axial direction toward the flywheel. | 10-03-2013 |
20130306427 | MULTIPLATE CLUTCH WITH A SPRING DEVICE - One embodiment may include a multiplate clutch with a first plate set connected in a rotationally fixed manner to a first plate carrier, and with a second plate set connected in a rotationally fixed manner to a second plate carrier, wherein the plates of the two plate sets are arranged consecutively in an alternating manner in the axial direction and can be brought into frictional engagement with one another. At least one spring device is provided for at least one pair of plates consisting of two adjacent plates of the first plate set, by means of which, when the multiplate clutch is open, the two adjacent plates of the pair of plates can be spaced apart from each other in the axial direction, forming an axial spacing (a) which is greater than the width (b) of the in-between and optionally unstressed plate of the second plate set in the axial direction. | 11-21-2013 |
20150300419 | CLUTCH DEVICE - The present invention relates to a clutch device having a counter-pressure plate and a contact plate which is movable to a limited extent in an axial direction of the clutch device by at least one lever element to clamp a clutch plate frictionally between the counter-pressure plate and the contact plate, wherein the counter-pressure plate has at least one strap segment extending essentially in an axial direction, to which a cover component is connected. | 10-22-2015 |
20150337910 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus for transmitting or cutting-off the rotational driving power inputted to an input member to or from an output member by press-contacting or releasing the press-contacting force between driving-side clutch discs and driven-side clutch discs, wherein the power transmitting apparatus comprises interlocking members (e.g., a first member and second member) interlocking with the motion of the weight members from their radially inward positions to radially outward positions and movable toward a direction approaching to the pressure member; and elastic members interposed between the interlocking members and the pressure member and able to move the pressure member toward a direction for press-contacting the driving-side clutch discs and the driven-side clutch discs by urging the pressure member according to the movement of the interlocking members and also able to absorb the urging force of the pressure member applied to interlocking members when the actuating member is operated. | 11-26-2015 |
20150377303 | MULTIPLE PLATE CLUTCH - In a multiple plate clutch having a main spring which is provided between a clutch center fixed in an axial direction and a pressure plate displaceable in the axial direction and presses plural clutch plates in a clutch engagement direction, and a lifter plate for lifting the pressure plate in a clutch release direction, a sub spring for urging the pressure plate in the clutch engagement direction through the lifter plate is provided between the clutch center and the lifter plate, and the lifter plate is lifted by a predetermined amount or more to cut off the urging force of the sub spring to the pressure plate. | 12-31-2015 |
20190145469 | Clutch Device | 05-16-2019 |
192700280 | To separate engaged clutch-elements | 7 |
20080296116 | Pressure Plate Assembly, Clutch Disk Arrangement, And Friction Clutch, Especially A Multi-Disk Clutch - A friction clutch is configured with a pressure plate arrangement having: a housing rotatably fixed to an abutment arrangement for joint rotation about an axis of rotation; a plate arrangement having at least one intermediate plate and a pressure plate, at least one of the intermediate and pressure plates being mounted in the housing and operative to axially move relative thereto and to rotate about the axis of rotation; an energy storage device coupled to the housing and operative to generate a elastic restoring force exerted on the plate arrangement, the energy storage device being coupled to the pressure plate; a releasing spring arrangement located between the housing and plate arrangement and coupled thereto, the releasing spring arrangement being tensioned to generate an elastic restoring force exerted at least on the pressure plate in a second direction opposite to the first direction in response to the elastic restoring force; and a clutch disk arrangement clamped between the abutment arrangement and the at least one intermediate plate, or between the at least one intermediate and pressure plates, or between the at least one and an additional intermediate plates. | 12-04-2008 |
20090020387 | Compact Clutch Assembly Method and Apparatus - The invention provides a clutch assembly including a drive shaft; a torque transmission member co-axially mounted to the drive shaft; a clutch member operably connected to or integral with the torque transmission member, the clutch member having a first friction face; a disc spring mounted around the drive shaft and having a second friction face engaging the first friction face; a resilient retainer retaining the spring in a compressed condition in which the first and second friction faces are compressed together to allow torque transmission, wherein the retainer includes a fractured ring having first and second ends resulting from the fracture, the ends adjacent and biased towards each other. | 01-22-2009 |
20090107794 | CLUTCH ACTUATION SYSTEM - A multiple-disk clutch used in the power train of a motor vehicle for transmitting power from the crankshaft of an engine to a transmission input shaft is disclosed. The multiple-disk clutch comprises an actuation system supported at least in part by one of the inner and outer clutch member, and connected to a pressure member. The multiple-disk clutch is positioned within the multiple-disk clutch. The actuation system is adapted to overcome the biasing force of a spring or springs and release the compression force exerted by the pressure member on the driving and the driven friction disks such that the friction disks are spaced apart and power transmission through the multiple-disk clutch is interrupted. | 04-30-2009 |
20090277742 | Disc Clutch Assembly with Separating Device - A disc clutch assembly is provided that includes first and second sets of generally annular plates spaced alternately with one another. The plates of the first set have a friction interface. The first and second sets of plates are selectively engagable with one another at the friction interface for transferring torque loads. Separating devices are in contact with the plates radially inward of the friction interface. The separating devices are configured to bias the respective ones of the first and second sets of plates apart from one another when not selectively engaged. | 11-12-2009 |
20120247909 | POSITIVE CLUTCH PLATE SEPARATOR SYSTEM - A torque transmitting apparatus may include a cover portion generally defined by a first axis, and a flywheel coupled to the cover portion for rotation therewith. A pressure plate may be coupled to the cover portion for rotation therewith and be axially moveable relative to the cover portion. An intermediate plate may be coupled to the cover portion for rotation therewith. The intermediate plate is axially moveable relative to the cover portion and the pressure plate. A first clutch disk may be at least partially interposed between the pressure plate and the intermediate plate, and a second clutch disk may be at least partially interposed between the flywheel and the intermediate plate. The apparatus may include an axially acting biasing element for exerting an axial force between the pressure plate and the intermediate plate, and a support member extending through the biasing element. | 10-04-2012 |
20130213759 | SEPARATOR SPRING FOR CLUTCH PLATE SEPARATION AND STABILIZATION - A clutch assembly includes a plurality of reaction plates separated by one or more separator springs to maintain a distance between the reaction plates when the clutch is not activated. | 08-22-2013 |
20130270054 | TABBED SEPARATION CLUTCH PLATE - A multiplate clutch assembly for use in an automotive powertrain is provided that includes a first member, a second member, a plurality of first clutch plates attached to the first member, and a plurality of second clutch plates attached to the second member. The first and second clutch plates are disposed alternatively with one another. At least two of the first clutch plates have separator portions that are configured to contact each other and provide a separation force therebetween. A clutch plate is also provided that includes an annular main body portion defining an aperature therethrough and defining and outer edge and an inner edge. Separator teeth extend from a tooth edge, the tooth edge being one of the inner and outer edges of the main body portion. Each separator tooth is bent at an acute angle with respect to the main body portion. | 10-17-2013 |
192700290 | And actuator lever pivoted on pressure plate | 1 |
20110259701 | Dry clutch having solid lubricant friction stabilization inserts - The present invention provides a lever actuator rear pull dry clutch to connect an engine with a vehicle transmission. A spring retainer and/or pressure plate of the clutch assembly has a dry lubricant for sliding in pivotal engagement with the levers to maintain the efficiency of the actuation of the clutch over an extended life cycle of the clutch assembly. | 10-27-2011 |