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| Number | Title | Issue Date |
| 8167750 | Resin pulley A resin pulley includes: an outer cylindrical portion having an outer circumferential surface on which a belt is to be wound; an inner cylindrical portion which is disposed radially inwards of and concentrically with the outer cylindrical portion; and a plurality of... | 05/01/2012 |
| 7803079 | Power transmission apparatus fabrication method and power transmission apparatus fabricated by the method A power transmission apparatus is disclosed. A pulley is journalled through a ball bearing on the outer periphery of a bearing support portion arranged on a housing, and a metal ring is fitted on the inner periphery of the pulley. The outer ring of the ball bearing ... | 09/28/2010 |
| 7695385 | Belt roller device Belt roller device, comprising a pulley, a rolling bearing, a protective end-plate, a screw immobilized axially relative to the rolling bearing, and a retaining element mounted on a stem of the screw and forming an axial stop for the protective end-plate, the said p... | 04/13/2010 |
| 7563187 | Belt drive system In a drive belt system, an idler pulley 6 is formed by an auto belt alignment pulley. For example, a pulley body 60 is rotatably carried on a hollow cylindrical shaft member 62, a support rod 63 is inserted in the shaft member 62, ... | 07/21/2009 |
| 7431269 | Ring sheave The present invention is a sheave assembly that includes a ring supported by a support assembly instead of a solid sheave wheel supported by a central axle. The support assembly may include a plurality of rollers or a curved shoe. The ring is made of a lubricated pl... | 10/07/2008 |
| 7419448 | 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 to support the shaft member 11 for rocking motion about a pivot axis C2 orth... | 09/02/2008 |
| 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 |
| 7384247 | High-speed, belt-driven industrial blower A centrifugal blower is provided which incorporates a self-contained air cooling system. The blower includes a drive assembly connected to a drive motor and disposed within a housing having inlet and outlet apertures. A centrifugal compressor is connected to the dri... | 06/10/2008 |
| 7364522 | Pulley for power transmission belt and belt power transmission device A pulley body 5 is provided at its both sides with power transmission members 6, 6. When a flat belt 3 becomes misaligned relative to the center of the pulley body 5 and comes into contact with one of the power transmission members 6 | 04/29/2008 |
| 7329197 | Self-aligning pulley, gear or other rotational member An improved alignable pulley or sheave assembly includes: (a) a shaft having a rotational axis and an exterior surface which has a portion that is spherically shaped, (b) a pulley having a perimeter and a central opening with an interior surface that is configured s... | 02/12/2008 |
| 7325974 | Pulley rotation support apparatus An endless belt (11) to be provided on a driven pulley (4b) and a pulley rotation support apparatus for supporting the driven pulley (4b). In the pulley rotation support apparatus, there is used a three-point-contact-type or four-p... | 02/05/2008 |
| 7311625 | Rotating apparatus with a torque limiter function A screw engagement portion between a pulley and a shaft is provided with a thread in a direction to increase the tightening torque when the pulley is driven. A breakable part broken by the axial tension produced when the tightening torque acting on the screw engagem... | 12/25/2007 |
| 7297081 | Idler pulley with integral bearing carrier insert and method An idler pulley with an integral bearing carrier insert comprising: a pulley body having a peripheral surface for accepting and retaining an endless belt; and a tubular bearing carrier insert forming a central hub along a perpendicular axis of the idler pulley body,... | 11/20/2007 |
| 7278938 | Power transmission device A power transmission device includes a first one-way clutch that transmits a rotational power of a pulley to a rotating shaft, and a second one-way clutch that transmits a rotational power of a rotor of a motor to the rotating shaft. The first one-way clutch is of i... | 10/09/2007 |
| 7168539 | Pulley unit having one-way clutch A pulley unit comprises a pulley, a shaft relatively rotatable with the pulley and concentrically arranged inner side of the pulley, a one-way clutch interposed in an annular space between the pulley and the shaft, and a ball bearing arranged adjacent to the one-way... | 01/30/2007 |
| 7108623 | Fan idler pulley A fan idler pulley having a threaded hub for attaching a fan shaft. The pulley also comprises a receiving portion for engaging a bearing. The bearing is further engaged with a cup. The entire assembly is mounted by a pin press fit though the cup into a mounting surf... | 09/19/2006 |
| 7067463 | Pivot assembly bearing A pivot assembly bearing used in an information storage device maintains its capabilities for a longer period of time under frequent quick starting and stopping by containing a grease composition made up of a base oil, a thickener and an extreme-pressure agent. ... | 06/27/2006 |
| 7056247 | Pulley unit A pulley unit includes a pulley and a rotor concentrically disposed for relative rotation, a one-way clutch interposed in an annular space therebetween, rolling bearings provided on opposite sides of the one-way clutch, and a seal ring for sealing the annular space.... | 06/06/2006 |
| 7041019 | Automotive compressor having a simple waterproof structure for a bearing supporting a pulley In an automotive compressor, a pulley (6) is rotatably supported on a compressor housing (1) through a bearing (5) to have an axial gap (10) left between the compressor housing and the pulley. A waterproof cover (13) covers the axi... | 05/09/2006 |
| 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 |
| 7004861 | Pulley unit A pulley unit improved in axial positioning of a cage of a one-way clutch is provided. An outer radius of an orbital portion of inner rings of two rolling bearings disposed at both axial sides of the cage are designed to be larger than an inner radius of the cage, s... | 02/28/2006 |
| 6971435 | Raising and lowering mechanism, in particular for roller blinds The operation of a roller blind occurs via a ball cord and a pulley. The ball cord may be wound several turns around the pulley, in that oblong axial tracks have been provided in the pulley. Thereby the winding may be preserved without jamming between the windings. ... | 12/06/2005 |
| 6960066 | Water pump with a hollow shaft, seal, and drain opening therein A water pump includes a rotation member, a hollow shaft portion having an opening on one end and connected to the rotation member for unitary rotating with the rotation member, an impeller connected to the shaft portion for unitary rotating with the shaft portion, a... | 11/01/2005 |
| 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 |
| 6860639 | Rotator with bearing, and method for manufacturing the same A pulley includes a radial rolling bearing and a pulley main body which are integrated to each other by an insert molding method. Therefore, a metal insert member is not required between the resin pulley main body and the radial rolling bearing, thereby reducing pro... | 03/01/2005 |
| 6811506 | Engine accessory belt drive with self-aligning pulley An engine accessory belt drive includes a self-aligning pulley assembly including a relatively stationary outer assembly and a universally pivotable inner assembly supported by the outer assembly and able to be locked in position by tightening of a fastener. During ... | 11/02/2004 |
| 6692393 | Pulley ball bearing and pulley A ball bearing for a pulley that is a component of a wrapping connector transmission device installed to an engine for an automobile. In the bearing, the depths of ball grooves formed in the inner ring and the outer ring of the ball bearing are set so tha... | 02/17/2004 |
| 6676548 | Fixing structure of a pulley unit In a fixing structure of a pulley unit in which the pulley unit is attached to a part from which a rotary shaft that is inserted into and is rotatably supported by a central hole of a housing protrudes in a state where the rotary shaft is protruded from a... | 01/13/2004 |
| 6663521 | Power transmitting mechanism A power transmitting mechanism transmits power from an engine to a drive shaft of a compressor. A pulley is supported by the compressor and is coupled to the engine. A hub is attached to the drive shaft. Rollers are located on the pulley. Elastic transmis... | 12/16/2003 |
| 6659649 | Rotation support apparatus for compressor pulley A radial ball bearing 14 of the three point contact type or four point contact type is used for the rolling bearing for a compressor pulley. The offset amount δ, that is the axial distance between the center of the radial load applied to the foll... | 12/09/2003 |
| 6588560 | Pulley unit A pulley unit improved in the axial positioning of the cage of the one-way clutch is disclosed. The outer radius of the orbital portion of the inner rings of two rolling bearings disposed at both axial sides of the cage are designed to be larger than the ... | 07/08/2003 |
| 6572270 | Rolling bearing unit An insulative resin coating film 9 of the range of 10 to 40 μm thick is formed, by electrodeposition coating, on the outer surface of a pulley 2 inclusive of an outer surface 2E of the iron pulley 2 which is in sliding contact with a belt 3 and an inner ... | 06/03/2003 |
| 6500085 | Mechanical device for transmitting power A device includes a power-transmission pulley rotatably mounted on an automotive accessory housing, a drive plate fixedly connected to a rotating shaft of the accessory, and shear pins which connect the pulley and the drive plate. The shear pins each have... | 12/31/2002 |
| 6494799 | Power transmission device A power transmission device includes a driving rotary member, a driven rotary member fixed to one end of a rotary shaft of a driven device, a first intermediate friction member disposed between the driving rotary member and the driven rotary member, and a... | 12/17/2002 |
| 6443295 | Motorized conveyor pulley with reduced internal loading In a motorized conveyor pulley of the type comprising a cylindrical pulley drum with axially opposite end plates enclosing an electric motor and drive transmission, the pair of end plates of the pulley are constructed with an increased axial thickness com... | 09/03/2002 |
| 6293885 | Idler pulley The invention comprises an idler pulley, having a web and a belt bearing surface connected to the web. The web is aligned with and affixed to an inner race outer surface of a bearing by a fastener. The pulley is stamped, formed or spun out of sheet metal ... | 09/25/2001 |
| 6241257 | Fastening device for belt pulleys The combination comprising, a bearing housed in a belt pulley, a sealing disk covering the bearing clamped between the head of a screw and the inner ring of the roller bearing, means attaching said sealing disk 4 directly to the inner ring axially and rad... | 06/05/2001 |
| 6220982 | Idler pulley An object of the present invention, in an idler pulley having a pulley main body formed of steel sheet, is to prevent the pulley main body and the outer ring of a bearing from creeping and the pulley main body from slipping off. An idler pulley according ... | 04/24/2001 |
| 6102822 | Pulley A ball bearing cage fitted in a pulley main body having peripheral surface to be contacted by a belt. The pulley bearing includes a raceway surface and grease. The cage has pockets for receiving balls which are circumferentially disposed with unequal pitc... | 08/15/2000 |
| 6062544 | Cable drive of a hoisting mechanism A cable drive for a hoisting mechanism, including a carrying element having a recess, at least one of a top block and a cable end attachment, each of which has a horizontal swivel axle having two ends, and bearing elements swivelably mounted at both ends ... | 05/16/2000 |
