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| Number | Title | Issue Date |
| 7481127 | Continuously variable transmission using oscillating torque and one-way drives A transmission utilizes oscillating torque to vary the mechanical power transmitted to a load. The transmission has a rotatable input member and a rotatable mass. The transmission also has a member with an eccentric offset, with the rotatable mass rotatably coupled ... | 01/27/2009 |
| 7430934 | Continuously variable transmission (CVT) utilizing an adjustable fulcrum This transmission utilizes an adjustable fulcrum to accomplish variable speed and torque conversion. The component utilizes multiple circular eccentric cams fixed to an input shaft at equal rotational intervals to apply vertical movement to an equal number of perpen... | 10/07/2008 |
| 7121160 | Mechanical transmission A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a pair of oscillating levers whereby rotation of the input shaft causes os... | 10/17/2006 |
| 7040185 | Device for driving an output mechanism A device for driving an output mechanism has a rotationally drivable input shaft, a structure located between the input shaft and the outlet mechanism for transmitting a drive torque to the input shaft to the output mechanism, wherein a non-positive functional conne... | 05/09/2006 |
| 7004487 | Continuously variable transmission for bicycles A continuously variable transmission for bicycles having a transmission mechanism including a plurality of link units for converting rotary motion of an input shaft rotated by a pedal-operated crankshaft into swinging motion, and a one-way clutch for converting the ... | 02/28/2006 |
| 6758111 | Continuously variable transmission A continuously variable transmission comprising a lay shaft that rotates in response to the input power from the engine. A crank on the lay shaft and a drive rod translate the rotation of the lay shaft into linear motion. An output rod rotatably mounted at a transmi... | 07/06/2004 |
| 6308586 | Gear transmission with stepless adjustable translation The invention relates to a gear transmission with a steplessly adjustable translation ratio for converting of rotary speeds and of torques of shafts. The uniform rotary motion of a drive shaft is transferred to a driven shaft with the aid of time staggere... | 10/30/2001 |
| 6298740 | Adjustable rotational transmission assembly An adjustable rotational transmission assembly 10 coupled to and provides adjustment of final drive ratio for a driven device 12, such as a bicycle, moped, motorcycle, vehicle, etc. Transmission assembly 10 adjusts rotation or drive radius and drive circu... | 10/09/2001 |
| 6296589 | Gear engaging stepless speed variator with orientational on-off device A gear engaging stepless speed variator having orientational ON-OFF properties of worm transmission for a gear transmission mechanism to realize ON-OFF orientation, so as to achieve stepless speed change of gear engagement. The variator has an orientation... | 10/02/2001 |
| 5771743 | Continuously variable torque transmission with torsion bars and energy recuperating brake device A mechanical continuously variable torque transmission, in particular for flywheel driven, fuel efficient, low emission cars, trucks and locomotives includes structure as follows: three eccentrics 20, 21, 22, mounted on input shaft 18 and carrying needle ... | 06/30/1998 |
| 5611243 | Piston advance mechanism for automatic taper The mechanism consists of a crankshaft and connecting rods driving two rods which extend through the full length of the cylinder of the taper. The rods reciprocate 180° out of phase with each other and pass through a piston assembly. Clutch mechanisms in... | 03/18/1997 |
| 5440945 | Hardgeared infinitely variable transmission A hardgeared infinitely variable transmission (IVT) is provided in which at least one quick return mechanism is hardgeared to the rotating transmission input shaft. The quick return mechanisms convert the rotating motion of the transmission input shaft to... | 08/15/1995 |
| 5392664 | Continuously variable transmission A transmission for providing continuously variable speed and torque comprises a housing, an input shaft, a system of variable throw eccentrics, control means for changing eccentric throw of the variable throw eccentrics, connecting links for receiving ecc... | 02/28/1995 |
| 5390558 | Continuously variable transmission An input shaft includes a cam configured to have a variable diameter profile. An oscillating arm tracks the cam profile. Oscillating motion of the arm is converted by roller clutches back to rotary motion. Speed variation is accomplished by moving the arm... | 02/21/1995 |
| 5309781 | Stepless speed change gear A stepless speed change gear that is small in size, light in weight, simple in construction, secure in operation, long in service life and capable of high-output speed changes. An input shaft crank (3) and an input side member (4) are mounted on an input ... | 05/10/1994 |
| 4739667 | Power transmission with variable length lever A power transmission apparatus transmits power from a rotatable cam to an output mechanism. A variable length lever, comprised of first and second lever sections, is pivoted to a lever support by a fulcrum. The lever sections telescopingly or otherwise in... | 04/26/1988 |
| 4711139 | Infinitely variable rotary drive transmission The present invention provides for improvements made to the infinitely variable rotary drive transmission U.S. Pat. No. 4,557,161 dated Dec. 10, 1985, having an input member and an output member rotatably mounted to a housing. Two articulated shafts are r... | 12/08/1987 |
| 4635494 | Infinitely variable transmission and control apparatus therefor An infinitely variable transmission, method of controlling an infinitely variable transmission, and an apparatus utilizing the method. The infinitely variable transmission provides a lever or walking beam having a variable fulcrum point. Power is supplied... | 01/13/1987 |
| 4565105 | Power transmission apparatus A power transmission apparatus includes a housing to which input and output shafts are journalled. The input shaft is rotated by a motor or prime mover to thereby drive a cardioidal-shaped cam. The cam reciprocates a drive rod which has a first end slidab... | 01/21/1986 |
| 4538474 | Impulse variable speed device The impulse variable speed device comprises an input shaft (2) and output shaft (2) both axially aligned. The input shaft is kinematically connected to a mechanism for converting rotary motion of the input shaft into an oscillating motion of an intermedia... | 09/03/1985 |
| 4494416 | Infinite speed transmission with reciprocating yokes Cams carried by a power input shaft reciprocate a pair of yokes along perpendicular paths with the ends of each yoke coupled to a pair of oscillating arm members, all carried by a shift ring. Disposed for rectilinear travel between each pair of arm member... | 01/22/1985 |
| 4475412 | Infinite speed power transmission with shiftable gear plates An infinite speed transmission having aligned input and output shafts with the input shaft driving a pair of eccentrics each of which oscillates an arm which in turn drives a gear plate housing in a rectilinear manner. Each gear plate housing slidably car... | 10/09/1984 |
| 4109539 | Dynamic power booster The dynamic power booster is an apparatus which utilizes rotational input power for driving a crank lever in circular rotation. The crank lever drives a pivotally mounted lever assembly, having a first and a second lever slidably connected with one anothe... | 08/29/1978 |
