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| Number | Title | Issue Date |
| 8177669 | Pulley structure A pulley structure having a first rotating member that is rotatable around a first axis. A second rotating member is rotatable around the first axis and in at least partial axial coincidence with the first rotating member. A spring containing chamber is defined betw... | 05/15/2012 |
| 8070632 | Torsional Compensator A torsional compensator having an inner hub, an outer sprocket, left and right grippers, and a resilient torsion sleeve. The torsion sleeve occupies a generally annular cavity between the inner hub and outer sprocket and each end of the sleeve is coupled to a grippe... | 12/06/2011 |
| 8038554 | Isolation damper pulley and method of producing the same An isolation damper pulley comprises a damper section 1 and an isolation pulley section 2 assembled thereto, wherein a first fitting portion 18 constituted from a cylindrical portion concentric with a center axis O of a through hole 13 is... | 10/18/2011 |
| 7998008 | Power transmission pulley The invention relates to a power transmission pulley comprising a pulley element having a ribbed outer outline that is adapted to receive a ribbed belt, and a resilient element interposed between the pulley element and a receiver device for coupling to a member driv... | 08/16/2011 |
| 7985150 | Pulley for a power transmission member, a separate starter-alternator fitted with such a pulley, and an engine drive system The invention seeks to provide a transmission system, in particular for a starter-alternator, capable both of damping large variations in torque under starting conditions (drive from the alternator) and of providing effective decoupling under running conditions (alt... | 07/26/2011 |
| 7892123 | Rotational force transmission member mounting structure The present invention relates to a mounting structure for mounting firmly onto a rotating shaft a rotational force transmission member such as a chain sprocket, a gear, a belt pulley and the like. A drive sprocket as a rotational force transmission member is fitted ... | 02/22/2011 |
| 7892124 | Decoupling isolator A decoupling isolator comprising a pulley, a hub member comprising a stop, a flat wire spiral spring having an end fixedly connected to the pulley, the flat wire spiral spring having another end engageable with the stop to limit a rotation of the pulley. ... | 02/22/2011 |
| 7850557 | Torque fluctuation damper pulley A torque fluctuation damper pulley 10 is provided with a torque fluctuation damping elastic member 15 between a hub 11 attached to a rotational shaft and a pulley member 13. The torque fluctuation damping elastic member 15 includes... | 12/14/2010 |
| 7850558 | Power transmission apparatus for compressor A power transmission apparatus for a compressor used in an air conditioner for a vehicle including a damper mounted to one side of a pulley rotated by a driving power transmitted from an engine wherein the damper and an elastic portion is formed between an outer rin... | 12/14/2010 |
| 7708661 | Decoupler arrangement The decoupler for a drive wheel arrangement for an auxiliary unit of an internal combustion engine has a belt pulley connected to a flexible drive element and a shaft. A damping device is arranged between the shaft and the belt pulley and includes a spring. The belt... | 05/04/2010 |
| 7399245 | Overload protection device An overload protection device (1) with a primary section (4) for the coupling of the overload protection device (1) with a drive device (2) and with a secondary section (6) for coupling of the overload protection device (1) ... | 07/15/2008 |
| 7387584 | Drive belt pulley and belt drive system A hollow cylindrical pulley body 5 is carried rotatably by a hollow cylindrical shaft member 11. A support rod 8 is inserted in the shaft member 11, and the shaft member 11 is elastically supported to the support rod 8 throu... | 06/17/2008 |
| 7357195 | Power tool and gear unit assembled therein A power tool including a gear unit provided with a load moderating mechanism capable of reducing noise and prolonging service life. A coupling is force fitted with a spindle at a predetermined pressure allowing the spindle and the coupling to rotate relative to each... | 04/15/2008 |
| 7306067 | Engine coupling system A vehicle comprises a vehicle body. An internal combustion engine is mounted to the vehicle body. The engine comprises a crankshaft mounted in a crankcase. A drive system is mounted to the vehicle body. A transmission is coupled with the drive system. A coupling sys... | 12/11/2007 |
| 7300372 | Integrated pulley-torsional damper assembly An integrated pulley-torsional damper assembly (1) comprises a hub (2) designed for being rigidly connected to a drive member (3), a pulley (4) connected to the hub (2) by means of a first ring (5) made of elastomeric materi... | 11/27/2007 |
| 7285065 | Belt tensioner with installation pin A belt tensioner for tensioning the belt of a belt drive system includes an eccentric adjusting member, a pivot structure eccentrically mounted on the adjusting member for pivoting around the adjusting member, a belt-tensioning pulley mounted to rotate on the pivot ... | 10/23/2007 |
| 7232392 | Cushion ring sprocket assembly and method A method for installing a cushion ring on a sprocket body to construct a sprocket assembly includes applying a deforming force to a cushion ring so that an opening therein is deformed to a shape that accommodate passage of a non-circular flange of a sprocket body th... | 06/19/2007 |
| 7226377 | Tensioner with adjustable biasing force of a traction member A tensioner for a traction member, in particular a belt of a traction drive for an internal combustion engine, includes a base constructed for rotation about a rotation axis and having a pivot arm. The pivot arm has a free end for connection of a rotatable tension r... | 06/05/2007 |
| 7207913 | Bi-directional drivebelt tensioning device A device for automatically maintaining tension and control of a drivebelt as the driving direction of the drivebelt is rapidly reversed and when the drivebelt is worn. ... | 04/24/2007 |
| 7204772 | Torsionally flexible coupling, a mold, and a method of producing same A torsionally flexible coupling has a hub ring and a vibrationally isolated pulley surrounding the hub ring at a radial distance, a spring body made of a rubber-elastic material being situated in the gap formed by the distance, and comprises a sliding-contact bearin... | 04/17/2007 |
| 7186196 | Belt tensioner with integral damping A belt tensioner with integral damping comprising a housing, a pivot bushing, a spring element, a disc-shaped spring bushing, a lever arm assembly, a pulley assembly, an armplate assembly including an armplate and a friction element; wherein the armplate assembly co... | 03/06/2007 |
| 7175516 | Poultry processing hub and belt assembly This invention relates to a hub and belt assembly for driving a poultry de-feathering machine and more particularly to a multiple bearing heat dissipating hub driven by a serrated timing belt. The hub assembly incorporates seals along a drive shaft to reduce wear ca... | 02/13/2007 |
| 7171750 | Method of producing a torsional damper To provide a method of producing a torsional damper to prevent an annular rubber undulation in the pressing of the annular rubber between a hub and an annular mass, improve strain durability of the torsional damper, and decrease a press-in load in the press-in of th... | 02/06/2007 |
| 7150679 | Vibration-decoupled pulley having an integrated visco damper A pulley (1) that is decoupled from the vibrations of a crankshaft and that has an integrated viscous torsional vibration damper (2), including a flywheel (3), which is arranged in a damper housing (5) that is filled with a viscous medium... | 12/19/2006 |
| 7121947 | Coupling device A coupling device has a pulley that receives rotational torque from an engine. The torque is transmitted to a shaft through a hub and a one-way clutch. A torque limiter is screwed on the shaft to fasten the inner ring of the one-way clutch onto the shaft. The torque... | 10/17/2006 |
| 7101296 | Synchronous rear belt drive system for motorcycles and method of use A synchronous rear belt drive system for belt driven motorcycles and a method of altering the final drive ratio of such motorcycles utilizing the present rear belt drive system is disclosed. The present rear belt drive system provides a plurality of interchangeable ... | 09/05/2006 |
| 7094170 | Cushioned sprocket and improved inverted tooth chain for use with same A sprocket for an inverted tooth chain includes at least one and typically first and second resilient cushion rings for adapted to be engaged by the guide links of an associated inverted tooth chain. The sprocket is usable with conventional inverted tooth chains and... | 08/22/2006 |
| 7083022 | Motorcycle drive train A motorcycle is described which has a frame and a rear wheel attached to a driven pulley. A drive pulley is rotatably mounted to a rigid bracket attached to the frame such that a relative orientation between the drive pulley and the driven pulley is maintained subst... | 08/01/2006 |
| 7070170 | Cable sheave for a cableway system A cable sheave for cableway systems has a hub and a sheave surface extending outwardly from the hub. The sheave surface may be formed of spokes and a cable groove is formed on its periphery. Fastening devices are provided in the sheave surface for rigidly connecting... | 07/04/2006 |
| 7055243 | Crankshaft damper with integral pulse ring and method The invention comprises a crankshaft damper having an integral pulse ring. The crankshaft damper comprises an inner hub and outer pulley with an elastomeric connecting member between each. The elastomeric ring dampens a crankshaft vibration. The integral pulse ring ... | 06/06/2006 |
| 7052424 | Cantilever tooth sprocket A drive sprocket assembly for driving an endless chain assembly for propelling a machine has a hub portion and flexible cantilever teeth in which each tooth is separately deflectable upon impact by a bushing of the endless chain assembly. The flexibility of each too... | 05/30/2006 |
| 7048661 | Power transmission device and torque transmission member A power transmission device for transmitting torque of a driving unit to a driven unit includes a first rotator, a second rotator, and a torque transmission member. The first rotator is to be driven for rotation by the driving unit. The second rotator is coupled to ... | 05/23/2006 |
| 7047644 | Crankshaft damper and method of assembly A crankshaft damper and a method of crankshaft damper assembly using interlocking beads. A crankshaft damper having a hub portion and pulley ring and an elastomeric member disposed in an annular space between them is clamped in a tool after initial assembly. A tool ... | 05/23/2006 |
| 7025680 | Torque transmission device having torque limiter A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a drive source. The cylindrical member is connected to a rotatable shaft of a compressor and is rotated integ... | 04/11/2006 |
| 7011593 | Tensioning or deflection pulley for a belt drive A tensioning or deflection pulley for a belt drive includes a carrier and a track roller comprised of an inner ring, an outer ring, and a connecting assembly, including a wheel disk extending between the inner and outer rings, and a rib assembly disposed in both sid... | 03/14/2006 |
| 6959682 | Engine balancer with chain drive vibration isolation A chain-driven engine balancer has an elastomeric or compliant isolator ring in a balancer drive sprocket to decouple chain whine vibration from an associated balance shaft. The isolator substantially reduces the transmission of chain whine noise to the engine struc... | 11/01/2005 |
| 6941651 | Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley A pulley and bearing assembly and a method of inserting and fastening a bearing within a pulley having an axially extending cylindrical hub portion with an axial bore forming an inner periphery of the pulley and a pair of opposite ends, an annular belt groove portio... | 09/13/2005 |
| 6913538 | Torque transmission system In a torque transmission system, plural engagement pieces elastically deformable are formed integrally with an outer peripheral portion of a circular portion of a center hub to be engaged with an inner periphery portion of a pulley. A bridge portion of the center hu... | 07/05/2005 |
| 6910980 | Cushion ring sprocket assembly and method A method for installing a cushion ring on a sprocket body to construct a sprocket assembly includes applying a deforming force to a cushion ring so that an opening therein is deformed to a shape that accommodate passage of a non-circular flange of a sprocket body th... | 06/28/2005 |
| 6875113 | Torsional vibration damper A torsional vibration damper mountable to a rotatable shaft. The torsional vibration damper is a composite structure including a body formed of a polymer, such as a glass-reinforced polyamide, that surrounds an insert formed of a structurally-rigid material, such as... | 04/05/2005 |
