| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192890200 | Spring engaged | 22 |
| 20080314712 | Actuating Armature - The invention relates to an actuating armature, in particular brake and/or clutch armature, having a housing ( | 12-25-2008 |
| 20090152069 | Pressure Plate Assembly - A pressure plate assembly for a friction clutch with automatic wear compensation, including a housing which can be attached to a flywheel for rotation in common; a pressure plate installed in the housing and movable axially with respect to the housing; and an energy storage device supported against the housing and the pressure plate and exerting a force along a support path between the energy storage device and the pressure plate. A wear take-up device installed in the support path includes a wear take-up element which is preloaded to move in a wear take-up direction. An anti-reset device includes at least one clamping element which can be blocked to generate clamping contact with the wear take-up element, thereby preventing movement of the wear take-up element relative to the pressure plate in a direction opposite to the wear take-up direction. | 06-18-2009 |
| 20110024256 | MULTIPLATE CLUTCH - A multiplate clutch has an assistive cam mechanism comprising a first cam member having a first recess and a second cam member having a first tooth inserted in the first recess, wherein at least one of abutment surfaces of the first recess and the first tooth in a power transmitting state for transmitting power from an input member to an output member comprises a slanted surface for increasing an urging force of a clutch spring upon acceleration in the power transmitting state. The multiplate clutch is prevented from being connected abruptly while sufficiently reducing a load with which to operate the clutch. The angle of intersection between the slanted surfaces and a plane perpendicular to a clutch central axis is set to a range from 80 degrees to 85 degrees. | 02-03-2011 |
| 20110315504 | RIVET AND METHOD FOR RIVETING COMPONENTS - A rivet, in particular a solid rivet, for riveting components, which has a primary head for bearing on a component to be riveted and a rivet shank, which is plastically deformable to form a closing head, joined to the primary head so as to constitute a single piece therewith. The primary head has a greater hardness than the rivet shank. Owing to the greater hardness of the primary head, the rivet joint can be produced in a reliable and cost effective manner, even in the case of a rivet header bearing only partially on the primary head. | 12-29-2011 |
| 20120043177 | FRICTION-CLUTCH SYSTEM - A friction-clutch system having a friction disk unit including a central hub and friction disks, wherein the friction disks have friction surfaces. At least one friction surface of the first to fourth friction surfaces is constituted of a combination of a carbon/graphite material and a metal/ceramics material, wherein the carbon/graphite material forms a friction surface made from a carbon/graphite material, and a metal/ceramics material forms a friction surface made from a metal/ceramics material, wherein the ratio of [the area of the friction surface made from the metal/ceramics material]/[the area of the friction surface made from the metal/ceramics material+the area of the friction surface made from the carbon/graphite material] ranges from 0.05˜0.65, and wherein pressure between the first and the third friction surface and between the second and the fourth friction surface is 10˜250 N/cm | 02-23-2012 |
| 192090000 | Electric release | 2 |
| 20100126822 | Reverse Clutch For Rotatable Inputs - An electromagnetic clutch includes an electromagnetic coil positioned within a coil housing. A pulley rotates relative to the housing and the coil. A shaft is rotatably supported by the housing. A hub plate is fixed for rotation with the shaft. A floating element is positioned between the pulley and the hub plate. An elastomeric ring is mounted between the pulley and the floating element and provides a driving connection therebetween. The elastomeric ring is sized to urge the floating element into frictional driving engagement with the hub plate and is compressible during energization of the coil to decouple the floating element from the hub plate. | 05-27-2010 |
| 20120175215 | ELECTROMECHANICAL ACTUATING ASSEMBLY - An electromechanical actuating assembly for at least one actuator element of a vehicle transmission. The assembly comprising a drive device which is coupled with an actuating device for actuating an actuator element. The actuating device has a spring system which is in an operative connection with a ball ramp, and an adjustment mechanism for adjusting the effective actuator force, of the ball ramp, for actuating the actuator element. | 07-12-2012 |
| 192091000 | Fluid release | 3 |
| 20080223688 | MOTORCYCLE CLUTCH - A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and disengaging means operable by means of the clutch lever for a pressure body which is spring-loaded by at least one clutch spring assembly for pressurization of the inner and outer disks, wherein a servo mechanism for reducing the operating force of the clutch lever is provided, the servo mechanism being effectively connected to the intake section of the engine and utilizing the negative intake pressure in the intake section to build up a servo force acting against the direction of the spring load of the clutch spring assembly. | 09-18-2008 |
| 20090236196 | CLUTCH SYSTEM AND METHOD - A clutch system may include in certain embodiments a clutch body attached to a drive member such as a drive pulley, wherein the clutch body may be removed from the drive member without disassembling the clutch body. In various embodiments, the clutch body may include two clutch plates which enclose a spring-loaded pneumatic reciprocating assembly that in operation causes the plates to selectively separate and engage one another. In certain embodiments, the clutch body may be readily attached to a associated drive pulley in a single step by installation of a single set of fasteners. | 09-24-2009 |
| 20100038205 | Clutch System - A clutch system may include in certain embodiments a clutch body attached to a drive member such as a drive pulley, wherein the clutch body may be removed from the drive member without disassembling the clutch body. In various embodiments, the clutch body may include two clutch plates which enclose a spring-loaded pneumatic reciprocating assembly that in operation causes the plates to selectively separate and engage one another. In certain embodiments, the clutch body may be readily attached to a associated drive pulley in a single step by installation of a single set of fasteners. | 02-18-2010 |
| 192091000 | Motor concentric with clutch shaft | 2 |
| 20080223688 | MOTORCYCLE CLUTCH - A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and disengaging means operable by means of the clutch lever for a pressure body which is spring-loaded by at least one clutch spring assembly for pressurization of the inner and outer disks, wherein a servo mechanism for reducing the operating force of the clutch lever is provided, the servo mechanism being effectively connected to the intake section of the engine and utilizing the negative intake pressure in the intake section to build up a servo force acting against the direction of the spring load of the clutch spring assembly. | 09-18-2008 |
| 20090236196 | CLUTCH SYSTEM AND METHOD - A clutch system may include in certain embodiments a clutch body attached to a drive member such as a drive pulley, wherein the clutch body may be removed from the drive member without disassembling the clutch body. In various embodiments, the clutch body may include two clutch plates which enclose a spring-loaded pneumatic reciprocating assembly that in operation causes the plates to selectively separate and engage one another. In certain embodiments, the clutch body may be readily attached to a associated drive pulley in a single step by installation of a single set of fasteners. | 09-24-2009 |
| 20100038205 | Clutch System - A clutch system may include in certain embodiments a clutch body attached to a drive member such as a drive pulley, wherein the clutch body may be removed from the drive member without disassembling the clutch body. In various embodiments, the clutch body may include two clutch plates which enclose a spring-loaded pneumatic reciprocating assembly that in operation causes the plates to selectively separate and engage one another. In certain embodiments, the clutch body may be readily attached to a associated drive pulley in a single step by installation of a single set of fasteners. | 02-18-2010 |
| 192890220 | Belleville disc spring | 7 |
| 20090114501 | Frictional engagement device - A wave washer is interposed on an inner peripheral groove via a snap ring. The wave washer urges a radiation direction outer end of a bottom plate member against a wall surface side of the inner peripheral groove in a direction of an axis. | 05-07-2009 |
| 20140138205 | PRODUCTION METHOD FOR CONED DISC SPRING AND CLUTCH APPARATUS PROVIDED WITH CONED DISC SPRING - A clutch apparatus is equipped with two clutch structures having a clutch drum therein. A driven plate and a piston are provided in the clutch drum of each clutch structure, and a primary coned disc spring and a secondary coned disc spring, which are ring-shaped, are provided between the driven plate and the piston. A flat portion is formed on an inner peripheral portion of a convex surface of the primary coned disc spring, and the flat portion can come into contact with a counter member first when a load is applied. A load in a flat condition due to elastic deformation is adjusted by the flat portion so as to be a desirable value. Blanks and of the primary coned disc spring and the secondary coned disc spring can be obtained from one sheet of material having the same thickness. In this case, the flat portion is formed by press forming on an inner peripheral portion of the blank in view of the shape thereof after bending forming is performed. | 05-22-2014 |
| 192890230 | Push-type | 2 |
| 20100224460 | CLUTCH COVER ASSEMBLY - A clutch cover assembly ( | 09-09-2010 |
| 20120006645 | CLUTCH COVER ASSEMBLY - The clutch cover assembly includes a clutch cover, a pressure plate, and a diaphragm spring. The pressure plate is arranged to rotate as an integral unit with the clutch cover and move in an axial direction with respect to the clutch cover, and to press a friction member toward a flywheel. The diaphragm spring is supported on the clutch cover and serves to apply a force against the pressure plate toward the flywheel. The clutch cover has an annular clutch cover body and a plurality of plate-like support sections that are provided on an inner circumferential portion of the clutch cover body and serve to support the diaphragm spring such that the diaphragm spring can undergo elastic deformation. The support sections are configured such that a dimension of a tip end of the support section tapers gradually to a smaller dimension in a circumferential direction. | 01-12-2012 |
| 192890240 | Pull-type | 2 |
| 20090200132 | Friction clutch - A pull-type friction clutch having an annular part that is axially clamped to a disk spring and is axially fixedly connectable to an actuation sleeve of an actuation system. The annular part has axially raised lugs on its face bearing against the disk spring, and the lugs engage in slots that are provided between the disk spring tongues where the tongues are appropriately widened, to provide a form locking connection in the peripheral direction. As a result of the peripherally fixed attachment of the annular part to the disk spring, wear caused by a relative twist between the annular part and the disk spring is prevented. | 08-13-2009 |
| 20130140129 | RELEASE FOR PULL TYPE CLUTCH MECHANISM - A release mechanism for a pull-type clutch assembly, including a throw-out bearing with an inner cylindrical portion extending in a direction axially inwardly of the clutch assembly. A retaining basket is provided having a flat annular ring portion surrounding an opening receiving the cylindrical portion of the bearing therethrough, the basket having a ring with an inner and A pressure plate receives the basket therein, the pressure plate having radially extending resilient fingers extending outwardly and a clutch disk is disposed adjacent the pressure plate in contact therewith being adapted to be coupled to the flywheel of a vehicle. The bearing has a groove into which the pressure plate having a groove into which the outer surface of the ring snap-fits. | 06-06-2013 |
| 192890250 | Geometric configuration | 1 |
| 20160084324 | CLUTCH FOR VEHICLE - A clutch for a vehicle may include a pressing member configured to interwork with a clutch pedal and move in one direction when the clutch pedal is stepped on; and an elastic member having an end portion in contact with the pressing member, and configured to apply elastic force to the pressing member in the other direction when the pressing member moves in one direction, and exert elastic force in one direction when the pressing member passes through a preset point to restrain the pressing member from being restored to its original condition. | 03-24-2016 |
| 192890260 | Plural coil springs spaced from clutch axis | 2 |
| 20130277168 | SPRING PACK FOR A TRANSMISSION - A spring pack for a transmission includes first rotatable piston and a second rotatable piston. The first rotatable piston includes a first retainer plate, and the second rotatable piston includes a second retainer plate. The spring pack further includes a tabbed retainer plate that is stationary with respect to the first piston and the second piston and also includes a set of biasing members with a first subset of biasing members and a second subset of biasing members. The first subset of biasing members is disposed between the first retainer plate and the tabbed retainer plate, and the second subset of biasing members is disposed between the second retainer plate and the tabbed retainer plate. As the first and second pistons are activated, they stroke independently of each other as each retainer plate compresses its respective subset of biasing members against the tabbed retainer plate. | 10-24-2013 |
| 20140209428 | DECOUPLER - A decoupler that includes a drive member, a hub and an isolator that is configured to transmit rotary power between the drive member and the hub in a predetermined rotational direction. The isolator includes a wrap spring, a plurality of helical coil springs, and a carrier assembly. The wrap spring includes a plurality of helical coils and a proximal end. The helical coil springs are disposed between the hub and the carrier assembly. The carrier assembly includes a carrier plate and a spring shell. The carrier plate has a plate member with a rim and a spring groove. The rim abuts an axial end of the wrap spring. The proximal end of the wrap spring is received in the spring groove. The spring shell is assembled to the carrier plate and has a toric inner surface into which the helical coil springs are received. | 07-31-2014 |
| 192890270 | Coil spring coaxial to clutch axis | 3 |
| 20130098729 | VEHICLE STARTING DEVICE - A starting device for a vehicle includes a spring support ring and a coiled clutch. The coiled clutch has a first end frictionally engaged with the spring support ring, a center portion connected to the first end and arranged for compressive engagement with an outer shell of a torque converter, and a second end connected to the center portion and arranged for rotational displacement in a first direction relative to the first end to compressively engage the center portion with the outer shell. In some example embodiments, the spring support ring encircles the coiled clutch. In some example embodiments, the spring support ring includes a circumferential groove for receiving the first end. In an example embodiment, a free diameter of the first end is greater than a free diameter of the center portion. | 04-25-2013 |
| 192890280 | Transversely engaged | 2 |
| 20130098730 | CLUTCH FOR SELECTIVELY DRIVING AN ACCESSORY - A clutch assembly having a driver, an output member, a clutch spring, an armature and an actuator. The clutch spring includes a plurality of coils that are configured to be drivingly engaged with the driver. The clutch spring further includes first and second ends. The first end is configured to drivingly engage the output member to facilitate the transmission of rotary power from the driver, through the clutch spring and into the output member. The second end is engaged to the armature. The actuator is selectively operable for rotating the armature relative to the driver in a rotational direction opposite a predetermined rotational direction in which the driver is driven to thereby initiate at least partial disengagement of the coils of the clutch spring from the driver. | 04-25-2013 |
| 20140262677 | LOCKING CLUTCH FOR DOWNHOLE MOTOR - A locking clutch to selectively transmit torque from a stator of a downhole tool to a rotor of the downhole tool includes at least one locking pawl disposed upon the rotor, wherein the at least one locking pawl comprises a load path, at least one pivot axis, and a mass center, wherein the at least one locking pawl is biased into an engaged position by a biasing mechanism, wherein the at least one locking pawl transmits force from the stator to the rotor along the load path when in the engaged position, and wherein centrifugal force urges the at least one locking pawl into a disengaged position when the rotor is rotated above a disengagement speed. | 09-18-2014 |
