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| Number | Title | Issue Date |
| 7435197 | Rear sprocket for bicycle transmission A bicycle transmission has among other things a rear hub with a freewheel with an outer freewheel body supporting a plurality of sprockets. A chain is shifted between adjacent pairs of the sprockets by a rear derailleur. Each sprocket includes inner attachment porti... | 10/14/2008 |
| 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 |
| 7303477 | Power transmitting device of clutchless compressor A power transmission device for a clutchless compressor, in which, when a torque above a preset value is generated in the compressor during power transmission from an engine to the compressor, a breaking member connecting a pulley side with a hub side is broken and ... | 12/04/2007 |
| 7244185 | Decoupling element of deformable material in a power transmission system The invention seeks to improve the transfer function of drive devices such as pulleys and other coupling means, and it proposes creating zones of shear in the inserted deformable material forming a decoupling element. In an embodiment, the decoupling element is made... | 07/17/2007 |
| 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 |
| 7037201 | Torque limiting assembly A torque limiting device features spring arms that extend resiliently and spirally from a driven member to distal ends rotatably supporting cams that engage cam posts on a drive member to transmit rotation from the drive member to the driven member. In response to a... | 05/02/2006 |
| 6722221 | Adjustable cam shaft sprocket An adjustable cam shaft sprocket for allowing small adjustments to a cam shaft. The adjustable cam shaft sprocket comprises an inner member and an outer member, the inner member being placed concentrically within the first circular member and held in place by a fast... | 04/20/2004 |
| 6540428 | Caulking roller and sintered flanged pulley caulked by the caulking roller A sintered, flanged cam pulley includes a sintered cam pulley body and an annular flange caulked to the sintered cam pulley body. The sintered cam pulley body has at an end portion thereof an axial annular projection and a stepped portion formed on an out... | 04/01/2003 |
| 6322473 | Drive sprocket which has rotating members which are engaged by drive lugs of a track A drive mechanism includes a drive shaft and a sprocket drive assembly. The sprocket drive assembly includes a hub mechanically coupled to the drive shaft, a first side support secured to the hub, a second side support secured to the hub, and a plurality ... | 11/27/2001 |
| 6176798 | Multiple sprocket assembly for a bicycle A plurality of sprockets are coaxially mounted together, wherein a spacing between each pair of adjacent sprockets is less than a thickness of at least one of the plurality of sprockets. In another embodiment of the invention, a plurality of sprockets are... | 01/23/2001 |
| 6120405 | Drive sprocket which has rotating members which are engaged by drive lugs of a track A drive mechanism includes a drive shaft and a sprocket drive assembly. The sprocket drive assembly includes a hub mechanically coupled to the drive shaft, a first side support secured to the hub, a second side support secured to the hub, and a plurality ... | 09/19/2000 |
| 6048284 | Pulley with a damper between rotary input and output members A pulley which can be driven by the output element of the engine in a motor vehicle to transmit torque to one or more endless belts or chains has a rotary input member, a rotary output member and a damper which yieldably opposes rotation of the input and ... | 04/11/2000 |
| 6004235 | Belt autotensioner A belt autotensioner including: a support arm having one end supported and the other end biased in a predetermined direction; a tension pulley supported by the other end of the support arm; and a friction member held in sliding contact with the support ar... | 12/21/1999 |
| 5947265 | Chain drum arrangement for scraper chain conveyors This invention relates to a chain drum arrangement for a central or double central scraper chain conveyor, comprising a divided chain wheel, the shell-type chain wheel segments of which are attached, locked in rotation and detachably, via an axial splined... | 09/07/1999 |
| 5947853 | Spun pulley with thick hub A pulley with an integral hub spun-roll formed of a disc of sheet metal where the hub has a thickness greater than the thickness of the sheet metal. The hub has a bore and external surface for attaching to other components.... | 09/07/1999 |
| 5890814 | Support ring mount for rotating drum A rotatable drum arrangement, wherein the drum is mounted on support rings such that circumferential expansion and contraction of the drum relative to said support rings does not adversely affect the mounting. In a preferred embodiment, drum blocks are mo... | 04/06/1999 |
| 5843264 | Vibration insulating assembly and method for making the same The present invention is directed to a vibration insulating assembly including a rubber vibration insulator and metallic members bonded thereto. In particular, the present invention relates to a method for manufacturing the same, by which the quality of t... | 12/01/1998 |
| 5833562 | Split hub assembly A split hub assembly including a split sprocket, a split hub, and members to connect the split sprocket together. The formed split sprocket is disposed over the split hub by complementarily tapered surfaces to maintain the split hub coupled together. Inst... | 11/10/1998 |
| 5823904 | Reinforced hub, pulley A pulley with an integral hub spun-roll formed of a disc of sheet metal where the hub has an annular ring extending radially outward of the hub and reinforcing the hub. Optionally, the hub has as integral flange that facilitates removal of the pulley from... | 10/20/1998 |
| 5803235 | Idler roller conversion system with impact shell A roller arrangement for use in a conveyance system includes a generally cylindrical roller body which has a pre-determined diameter, an outer surface, and a central passage. A shaft extends through the central passage, the roller body is rotatable about ... | 09/08/1998 |
| 5728019 | Belt drive A drive system, especially a belt drive for a multi-axial vehicle running gear, has a drive drum about which the belt is looped and provided with a ring with entrainers which engage teeth on the belt when there is slip between the belt and the drum. Limit... | 03/17/1998 |
| 5630769 | Tension roller for belt drives The invention concerns a tension roller made of a plastic material for adjusting a tension in a belt drive, comprising a wheel (7) having an inner ring (9) and an outer ring (10) connected to each other by axially oriented, circumferentially spaced ribs (... | 05/20/1997 |
| 5626532 | Drive assembly with interference-fit mounted lightweight non-ferrous pulley A drive assembly for rotating a shaft of a pulley-driven device is disclosed together with a method of making the drive assembly. The method includes the steps of forming a pulley of lightweight non-ferrous metal having a web portion, forming a radially i... | 05/06/1997 |
| 5606890 | Gear drive A drive-end gear wheel is engaged by a drive disc through an intermediate cushion that accepts slave bars of the driving disc and reinforcement ribs of the drive-end gear wheel. The reinforcement ribs couple an inner hub with an outer ring gear flange of ... | 03/04/1997 |
| 5591093 | Damper pulley A lightweight damper pulley is provided which can be produced in a simple manner. The damper pulley includes a central portion, including a cylindrical boss portion to be fixed onto a rotary shaft, a main portion extending radially outwardly from the larg... | 01/07/1997 |
| 5575728 | Drive assembly with interference-fit mounted pulley A drive assembly for rotating a shaft of a pulley driven device. The drive assembly includes a hub in the form of an annular body of ferrous metal having a groove in an external periphery thereof. A belt driven pulley is provided in the form of ferrous sh... | 11/19/1996 |
| 5465485 | Method for producing damper pulley A method for producing a damper pulley having a boss portion to be press-fitted onto a rotary shaft, an annular main portion extending from the boss portion, a flange portion formed along an outer periphery of the main portion, a ring-shaped damper-mass m... | 11/14/1995 |
| 5453056 | Belt pulley A belt pulley with a substantially cup-shaped profile that is delimited on one side, in at least the axial direction, by an integrally shaped-on rim flange is disclosed. The rim flange is configured as the hub ring of a torsional vibration damper, the hub... | 09/26/1995 |
| 5443425 | Adjustable chain wheel and components thereof A tooth wheel intended to co-act with a transmission member with transmission elements, which tooth wheel bears a number of protrusions arranged on the periphery which are each provided with at least one contact surface for co-action with the transmission... | 08/22/1995 |
| 5441456 | Press-formed pulley A lightweight pulley is provided which can be produced in a simple manner at low cost. The pulley has a cylindrical boss portion, an annular main portion which extends radially outwardly from the cylindrical boss portion, and a ring-shaped belt retaining ... | 08/15/1995 |
| 5421788 | Pulley and bearing assembly for internal combustion engine front end accessory drive An idler pulley and bearing assembly for handling the drive belt of a front end accessory drive system of an internal combustion engine includes a bearing having an outer race and an inner race with an aperture for extending therethrough, and a mounting s... | 06/06/1995 |
| 5413535 | Apparatus for damping vibrations Vibrations of the camshaft or crankshaft of a combustion engine are damped between a composite pulley which receives torque from the engine and one or more sheaves which are driven by an endless flexible member and serve to transmit torque to a pump, a bl... | 05/09/1995 |
| 5378203 | Mechanical donut and assembly An improved mechanical donut and donut assembly in which donuts made of plastic materials are formed in segments that facilitate installation, removal and/or replacement for manufacture and maintenance. The donuts of the preferred embodiments are made of ... | 01/03/1995 |
| 5308290 | Belt pulley A belt pulley is described which includes a pulley member and a flanged wheel. The pulley member has a belt-bearing surface and a projection disposed at a position axially adjacent to the belt-bearing surface. The flanged wheel is capable of being assembl... | 05/03/1994 |
| 5057060 | Drive pulley for cableways A drive pulley, in particular, a cable drive pulley for cableways, includes a hub, a rim and a spoke arrangement therebetween. The individual spokes are arranged independently from one another. The spoke design has at least two pairs of spokes, and the di... | 10/15/1991 |
| 5037356 | Split sprocket assembly A split power transmission element, such as a sprocket, mountable on a driven shaft. A pair of substantially identical sprocket halves each include a pair of aligned, hollow, fastener sleeves extending diagonally through the plane of the sprocket. A pair ... | 08/06/1991 |
| 4991993 | Lock coupling Gears with a soft metal hub and a hexagonal coaxial hole in the hub, often need repair. Accordingly the old hub is removed and a new solid plug is pressed in place and welded. A radial face on the plug and the gear are flush. A lock plate is placed on thi... | 02/12/1991 |
| 4850234 | Auxiliary drive apparatus A speed reduction mechanism comprises a drive member rotated by a rotary drive force of a drive source; a fixed member opposing to the drive member; a rotor disposed between the drive member and the fixed member and contacting the drive member and the fix... | 07/25/1989 |
| 4824422 | Pulley with integral hub construction A pulley having an axially extending annular belt engaging wall construction including an axial wall portion formed of sheet metal. The sheet metal also forms a circular wall portion integral at one end with the axial wall portion and extending radially i... | 04/25/1989 |
| 4794998 | Structure for securely connecting a driven sprocket to the driven axle of a motorcycle A fixing structure is provided for a motorcycle including a swing arm by which an axle having at either end thereof a drive wheel and a torque damping mechanism fixed thereto respectively is rotatably supported substantially at the central part thereof. T... | 01/03/1989 |
