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| Number | Title | Issue Date |
| 8187135 | Continuously variable transmission This invention relates to a transmission system for transmitting a driving force from a driving unit D to a driven unit F, a transmission adjustment system for adjusting the transmission system to obtain a continuous shift ratio, a guide cone system for maintaining ... | 05/29/2012 |
| 7892132 | Continuously variable transmission This invention relates to a transmission system for transmitting a driving force from a driving unit D to a driven unit F, a transmission adjustment system for adjusting the transmission system to obtain a continuous shift ratio, a guide cone system for maintaining ... | 02/22/2011 |
| 7350334 | Window regulator assembly A window regulator assembly including a shaft having a pinion gear and a counter balance spring mounted on the shaft which winds or unwinds as the shaft rotates. A spring housing is mounted on the shaft. A cable-guiding drum having an inner gear is driven directly b... | 04/01/2008 |
| 7344468 | Bicycle crank speed change sprocket module A bicycle crank speed change sprocket module includes a fixed star gear having a ratchet around its internal periphery, at least two planet gears and two chains pivotally coupled and axially disposed on both sides of a plate, and the plate is driven to rotate by a c... | 03/18/2008 |
| 7086979 | Friction-wheel planetary gear for converting a rotating movement into a back and forth movement with decreased frequency A gear mechanism or motor includes a shaft, and output rotary bodies which are in engagement therewith. The bodies interact with the shaft in the radial direction, by bearing against the shaft, and interact in the axial direction of the shaft with an upper guideway ... | 08/08/2006 |
| 6949043 | Eccentric drive reduction gear for a transmission component winding drum An eccentric reduction gear for a vehicle window winder system has a ring gear, a planet pinion that is eccentric relative to the ring gear, a drive component that drives the planet pinion and the ring gear so that they roll relative to each other, and a winding dru... | 09/27/2005 |
| 6595889 | Belt-type door opening and closing drive apparatus A belt-type door opening and closing drive apparatus is provided, which can reduce the noise and dimensions thereof and make full use of the mechanical safety function in the event of an accident. The belt-type door opening and closing drive apparatus all... | 07/22/2003 |
| 5984819 | Belt drive differential A belt drive differential with an output shaft, two planet sprockets rotatably mounted to a carrier to orbit in a circular path about a carrier axis coaxial with the output shaft, a first output sprocket attached to the output shaft, a second output sproc... | 11/16/1999 |
| 5954611 | Planetary belt transmission and drive A transmission includes a ring member, a sun member, a number of planetary sheaves and a serpentine drive member which wraps around the sun member, and the planetary sheaves. The planetary sheaves are attached to a planet carrier at a distance from the su... | 09/21/1999 |
| 5558769 | Latching apparatus for a bearing assembly particularly for a centrifuge separation chamber A latching apparatus is provided for a bearing assembly in which at least three bearing rollers, each of which is supported in a rotating fashion on a bearing journal, are arranged rotationally symmetrical and lying in one plane and guide and support a be... | 09/24/1996 |
| 5445572 | Low cost, lightweight differential A differential assembly in which a belt links gears on opposite sides of a carrier via idlers, which idlers are spaced to have synchronous interfittment of the belt teeth with the gear teeth and peripherally shaped to turn the belt flat for gear engagemen... | 08/29/1995 |
| 5406863 | Toothed wheel with a variable number of teeth A toothed wheel with a variable number of teeth has a toothed ring formed by a driving chain or belt. The referenced diameter of the toothed wheel can be modified by adding or removing individual links by means of an auxiliary toothed wheel; so as to modi... | 04/18/1995 |
| 5390753 | Personal walker with powered wheels A power driven personal walker for the infirm and handicapped comprising laterally spaced uprights for grasping by a user in a walking position, a horizontal base frame supporting the uprights in use position rearwardly open to the legs and feet of the us... | 02/21/1995 |
| 5360380 | Variable ratio epicyclic transmission A variable ratio epicyclic drive transmission comprises a drive shaft (10), a driven shaft (11), a sun wheel (12) fixed on the driven shaft (11), a stationary outer ring member co-axial with said shafts, a planet carrier (15) fixed to the drive shaft (10)... | 11/01/1994 |
| 5358459 | Mechanic drive apparatus A mechanic drive apparatus includes a driving shaft and a hollow rotatable housing which has a rear side mounted on one end of the driving shaft. An output shaft extends into the rotatable housing and is mounted rotatably thereto. The output shaft is alig... | 10/25/1994 |
| 5269734 | Gear reducing device A gear reducing device which includes a housing, an input drive system characterized by an input shaft having one end projecting from one end of the housing and the opposite end rotatably terminating in one end of an output shaft, a spur and pinion gear m... | 12/14/1993 |
| 5074829 | Combination chain & gear reducing device A combination chain and gear reducing device which includes a housing, an input drive system characterized by an input shaft having one end projecting from one end of the housing and the opposite end rotatably terminating in one end of an output shaft, a ... | 12/24/1991 |
| 5059159 | Wave gear linear drive A linear wave gear drive has a car with oppsoite walls on which pluralities of apertures carrying reciprocating roller assemblies are arrayed. The car is located between inwardly-facing cam surfaces on a track and a belt housing outwardly-facing cam surfa... | 10/22/1991 |
| 5041066 | Cylindrical roller transmission An epicyclic assembly to transmit torque and motion between externally connectable members using cylindrical elements maintained in rolling contact by surrounding rings and helical coils, the latter being in continuous helical paths. The rings and helical... | 08/20/1991 |
| 5033995 | Motion transforming device, and in particular a speed reduction gear A device for transforming motion, and in particular a speed reduction gear, comprises a first stage comprising two moving members (50, 60) at least one of which is functionally coupled to a shaft (74) generating a rotary motion; a second stage comprising ... | 07/23/1991 |
| 4952201 | Mechanical power transmission A continuously variable power transmission comprising rotatable input shaft attachable to rotating power means; rotatable output shaft providing driving axle means; and planetary power transmission train interconnecting said input shaft and said output sh... | 08/28/1990 |
| 4896566 | Motion transforming device, and in particular a speed reduction gear A device for transforming motion, and in particular a speed reduction gear, comprises a first stage comprising two moving members (50, 60) at least one of which is functionally coupled to a shaft (74) generating a rotary motion; a second stage comprising ... | 01/30/1990 |
| 4567789 | Method and apparatus for changing speed using a differential band A transmission using an endless metal band provides an infinitely variable output velocity for an essentially constant input velocity. The transmission can be controlled to give both forward and reverse directions, through zero output speed. A multi-layer... | 02/04/1986 |
| 4537087 | Rotary chain drive mechanism with periodic output dwell A rotary drive mechanism with periodic output dwell includes a fixed sprocket mounted on one end of a fixed hollow shaft. A drive input is rotatable on the hollow shaft and is coupled to a frame assembly which includes an arcuate plate coplanar with the f... | 08/27/1985 |
| 4497221 | Variable gear transmission system Variable toothed gear transmission system with at least one toothed gear with a variable number of teeth.... | 02/05/1985 |
| 4484486 | Concentric pulley drive assembly A concentric pulley drive assembly is disclosed as having a central pulley mounted to a motor axle and rotatably driven therewith by a drive motor. A partial pulley in the form of a partial annulus is positioned about a portion of the periphery of the cen... | 11/27/1984 |
| 4321842 | Compound epicyclic cog belt speed reducer In a speed reducer, a reaction sun is fixed to a frame and an output sun is coaxial with the reaction sun. An idler carrier assembly, rotatable about the common axis of the two suns, carries a planet shaft supporting a reaction planet and an output planet... | 03/30/1982 |
| 4137797 | Prime mover mechanism A mechanism for generating a square output motion utilizing a continuous constant speed rotary input. A reaction member such as an internal or external ring gear concentric to a first axis is provided together with first and second rotating members, the s... | 02/06/1979 |
| 4063467 | Speed change and reverser device A speed changer comprising a stationary pulley and a powered shaft defining sun axis. Two adjustable diameter planet pulleys and a pair of power-transmitting belts transmit power to an output sun pulley coaxially aligned with the stationary pulley. An adj... | 12/20/1977 |
| 4048871 | Variable speed power transmission for small vehicles and the like A power transmission system for small vehicles or machinery having a principal forward speed and variable forward and reverse speeds capable of providing lower variable speeds is disclosed. The transmission system includes a primary transmission and a sec... | 09/20/1977 |
| 4044633 | Differential drives including flexible interconnecting drive elements There are disclosed in the present specification a plurality of planetary differential drive formats, both simple and compound, in which each drive pair or couple comprises a driving and a driven element interconnected by a flexible connector such as a ro... | 08/30/1977 |
| 4038886 | Forward, neutral and reverse V-belt planetary drive A variable speed drive includes a planetary set of two adjustable V-belt pulleys orbitally driven around a nonrotatable, or fixed, adjustable sun pulley and a rotatable, adjustable output sun pulley attached to an output shaft. The orbiting planet pulleys... | 08/02/1977 |
| 3986442 | Drive system for a centrifugal liquid processing system A drive system for a centrifugal liquid processing apparatus or the like wherein a rotor assembly having a container for receiving a liquid to be processed by centrifugation is rotatably mounted on a rotor drive assembly, which in turn is rotatably mounte... | 10/19/1976 |
| 3979971 | Differential drive A differential drive in which a reference sprocket is stationary for power drive and rotated for manual drive. In power drive, planet sprockets are orbited around the reference sprocket and rotated thereby. Drive planet sprockets on the same shafts drive ... | 09/14/1976 |
| 3949619 | Residual gearing transmission including satellite carrier provided with inverted continuous chain loop Residual gearing transmission which includes a rotary planetary satellite carrier that carries an annular array of a plurality of rotatably mounted and angularly spaced satellite gear units for driven rotation about the axes of these units independently o... | 04/13/1976 |
