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| Number | Title | Issue Date |
| 7810625 | Sintered clutch ring A sintered clutch ring (1) is described, comprising a rim of clutch teeth (2) which comprise wedge-like face surfaces (3, 4) intersecting in an axial plane and flanks (5) sloping downwardly under an angle of inclination from the tooth bac... | 10/12/2010 |
| 7484611 | Speed change gear with dog clutch pawl, and method and device of manufacturing the same A speed change gear with dog clutch pawls projected on a side surface of a gear body having a speed change gear part on an outer peripheral surface thereof, and a method and a device of manufacturing the same, in which the dog clutch pawls are provided with back tap... | 02/03/2009 |
| 7413067 | Dog clutch A first dog clutch member is coupled with a rotation transmitting member rotatably mounted on a power transmission shaft with a relative rotation clearance θ. A second dog clutch member is slidably mounted on the power transmission shaft to be engageable/disengagea... | 08/19/2008 |
| 7274896 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus A process cartridge, and a main assembly of an image forming apparatus to which the cartridge is detachably mountable. The main assembly includes a motor, a driving rotatable member for receiving a driving force from the motor, and a twisted hole substantially coaxi... | 09/25/2007 |
| 7267024 | Gear, and method and apparatus for manufacturing the same An idler gear having a part worked by cutting is formed such that a chamfer part is formed at least on a portion between a tooth shape and chamfers are formed on the tooth shape by a forging process on an outer peripheral surface and an end part thereof in an axial ... | 09/11/2007 |
| 7248814 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the main assembly includes a motor, a main assembly side gear for receiving driving force from the motor, a hole defined by twisted surfaces, the h... | 07/24/2007 |
| 7231161 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the main assembly includes a motor, a main assembly side gear for receiving driving force from the motor, a hole defined by twisted surfaces, the h... | 06/12/2007 |
| 7163093 | Synchronizer for transmission A synchronizer for a transmission including: a synchronizer hub; a synchronizer sleeve slidable thereon to engage with a clutch gear, which is provided with sleeve spline teeth having sleeve chamfers; and a synchro ring having a plurality of pairs of synchro ring sp... | 01/16/2007 |
| 7156771 | Clutch unit In a clutch unit, an engagement of a dog clutch can be restricted until a revolution of an input shaft and the revolution of an output shaft correspond to each other so as to be suitable for the engagement. The engagement can be effected when the revolution of the i... | 01/02/2007 |
| 7025186 | Bicycle ratchet bushing This invention discloses a bicycle ratchet bushing, comprising a bushing for coupling to a connecting axle rod to drive the bicycle wheel to rotate, a pawl ring disposed on the inner side of the bushing, a plurality of pawls interdentally dispersed around the outer ... | 04/11/2006 |
| 6974012 | Sliding collar produced by powder metallurgy A sliding collar has claw internal toothing and teeth projecting from at least one of the end surfaces. The individual teeth have lateral surfaces configured as lateral surfaces of a cone segment or as lateral surfaces of a cone segment and one or more truncated-con... | 12/13/2005 |
| 6935482 | Clutch gear having boss part with spline and method for manufacturing the same A clutch gear having a boss part with a spline which is formed on an outer peripheral surface of the boss part formed on an axial end surface of the clutch gear having jaw clutch teeth formed on an outer peripheral surface thereof, in which the boss part, with the s... | 08/30/2005 |
| 6910564 | Toothed electromagnetic clutch brake A rotor ring and an armature for use in a toothed electromagnetic clutch or a toothed electromagnetic clutch brake. A method of manufacturing rotor rings and armatures used in toothed electromagnetic clutch or a toothed electromagnetic clutch brakes. ... | 06/28/2005 |
| 6907971 | One-way clutch A one-way clutch assembly comprises a clutch casing including a first plate coupled to a second plate, such as clutch inner and clutch outer plates. The first and second plates have a common central axis, the first and second plates are spaced apart along the common... | 06/21/2005 |
| 6905011 | Transmission gear with dog clutch gear and method for manufacturing the same A transmission gear with a dog clutch gear in which the dog clutch gear has clutch teeth formed on an outer circumferential surface of a ring part and tapered inversely so that the tooth thickness of each tooth decreases gradually from a chamfer portion at a tip end... | 06/14/2005 |
| 6848558 | Sintered selector or sliding sleeve A sintered selector or sliding sleeve, or gear shift sleeve, has internal claw toothing. The individual teeth are delimited on their ends with secondary surfaces having ends that extend radially inward and outward from the root circle of the inner tooth surfaces. Th... | 02/01/2005 |
| 6757975 | Multi-layered compliant mechanisms and method of manufacture A compliant mechanism and method of manufacturing the same includes a plurality of layers formed from stamping a plurality of layers from a layer of thinner material and stacking the layers together. Compliant mechanisms can include clutches, switches, derailleurs, ... | 07/06/2004 |
| 6745882 | Locking clutch A locking clutch comprises a toothed member and a slide assembly which are connectable to drive and driven parts. The two members are movable between an engaged position in which the clutch transfers power and/or torque to the driven part and a disengaged position i... | 06/08/2004 |
| 6745881 | One-way clutch assembly having integrated damping A clutch assembly (10) having an inner race (12), an outer race (14), and an engagement mechanism (16) disposed between the inner and outer races. The engagement mechanism (16) is operable to move between a disengaged position wher... | 06/08/2004 |
| 6729458 | Synchronizing device with asymmetrical toothing In a synchronizing device (22) for shift clutches, specially of selector transmissions (2) for motor vehicles, having at least one pair of wheels of which the gearwheel coaxial with a sliding sleeve (28) has a clutch body (46) with outer ... | 05/04/2004 |
| 6701796 | Device for transmission between a primary motor shaft and an output shaft and lawn mower comprising such a device A transmission device between a primary motor shaft and an output shaft (1) includes a casing (2) within which are disposed a reducing mechanism constituted by a driving member (3) in engagement with a driven member (4), the driven member (4) mounted free... | 03/09/2004 |
| 6572480 | Polygon universal joint A universal joint adapted to interconnect a pair of rotating shafts at an angle relative to one another including a first member and a second member wherein the first member has a first longitudinal axis and includes an elongated semi-spherical head havin... | 06/03/2003 |
| 6527094 | Freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter A freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter, permits a relative rotation between two elements in essentially only one relative rotational direction with respect to one another about an axis of rotation. At l... | 03/04/2003 |
| 6520305 | Clutch collar A collar for a clutch, particularly a clutch used in selectively connecting and disconnecting a source of drive torque with a co-axial driven shaft. More particularly, the present invention relates to a collar wherein meshing surfaces of the torque source... | 02/18/2003 |
| 6516930 | Ratchet mechanism for tools A ratchet mechanism for tools includes a ring member having first bevel teeth and second bevel teeth respectively defined in an outer periphery of the ring member. The first bevel teeth and the second bevel teeth are separated by an annular groove defined... | 02/11/2003 |
| 6478128 | Redundant freewheeling bicycle apparatus and method A hub and methods of propulsion thereof are disclosed wherein fail safe engagement is provided for particular components of a hub assembly. Preferred embodiments may provide for a secondary pressure spring which provides redundancy to a first pressure spr... | 11/12/2002 |
| 6370979 | Clutch gearing especially for a manual transmission In a coupling tooth formation, in particular in a gear box, either on a gear sleeve or on a gear wheel, the teeth are fitted to the base end of a cylindrical base (12) in relation to the rotational axis, elongate in axial direction and provided at their c... | 04/16/2002 |
| 6354417 | Transmission The transmission includes a number of male dowels disposed on gear shifters for engaging female dowels on gears. The male dowels are arranged in sets of high and low male dowels, the high and low male dowels being alternately arranged on a side surface of... | 03/12/2002 |
| 6296100 | Coupling tooth of a selector sleeve of a gear coupling for coupling a gear wheel to its shaft To guide it in the circumferential directions, a clutch tooth of a selector sleeve of a gear wheel clutch for coupling a gear wheel to its shaft has two central guide faces and additional guide faces on its ends.... | 10/02/2001 |
| 6286649 | Unidirectional rotary drive mechanism for multi-part construction toy A unidirectional drive for a multi-part construction toy. A circular first drive element is received within the cylindrical wall of a second drive element. Each drive element has angularly oriented fixed drive teeth projecting toward the other. The outerm... | 09/11/2001 |
| 6276043 | Clutch retaining device A clutch retaining device for use in a clutch collar and clutch assembly. The clutch retaining device includes multiple cover clips which extend downwardly from the cover and have a substantial L-shape. The clutch collar has corresponding cover clip notch... | 08/21/2001 |
| 6244413 | Gearing tooth form The invention concerns a morphology matrix for forming the cross-sectional shape of a short gearing tooth, in particular on toothed wheels of motor vehicle gearboxes. The short gearing teeth are formed on a cylindrical section of a gear wheel or gear shif... | 06/12/2001 |
| 6244406 | Drive clutch for a pressure cylinder A drive clutch for connecting a drive shaft (12) with an exchangeable cylinder (10) of a printing machine, such that, at one end of the cylinder (10), a locking part (24) is provided and that, in or on the drive shaft, a spanner (32) is disposed, which ha... | 06/12/2001 |
| 6193629 | Shifting mechanism In a shifting mechanism housed in a case a first relatively rotating member rotates about an axis. A second relatively rotating member is selectively coupled and decoupled with the first member. The coupling has a first spline tooth with a first axial len... | 02/27/2001 |
| 6165103 | Shifting mechanism In a shifting mechanism housed in a case a first relatively rotating member rotates about an axis. A second relatively rotating member is selectively coupled and decoupled with the first member. The coupling has a first spline tooth with a first axial len... | 12/26/2000 |
| 6112873 | Anti-backlash dog type clutch A mechanical drive clutch is provided for mounting on a rotatable shaft. The drive clutch includes a drive gear having a plurality of gear teeth projecting therefrom. A sleeve is slidably mounted on the shaft for rotational movement therewith. The sleeve ... | 09/05/2000 |
| 6095303 | Coupling toothing in a gearbox The invention relates to a coupling toothing in a gearbox between two rotationally symmetrical coupling structures (5,6) which can be coupled with each other. The toothing comprises the following features to increase the strength thereof: (a) both couplin... | 08/01/2000 |
| 6082515 | Coupling structure of driving force transmitting members An object of the invention is to provide a coupling structure of driving force transmitting members, wherein the variety of complex-type driving force transmitting parts to be combined by using a plurality of driving force transmitting members can be incr... | 07/04/2000 |
| 6073742 | Self-centering dog clutch A self-centering dog clutch includes two coupling-parts is arranged in a simple manner such that components serving for centering purposes are not necessary. Contact faces of the two coupling-parts are off-set relative to the rotational axis of the dog cl... | 06/13/2000 |
| 6066062 | Gear change for automobile vehicle provided with auxiliary epicyclic gear train with helical gears including axially displaceable crown A gear change for an automobile vehicle comprising a box, a main train, an input shaft of which is connected to the engine and a primary shaft of which can be connected angularly to the input shaft by a plurality of pairs of gears, and an auxiliary epicyc... | 05/23/2000 |
