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| Number | Title | Issue Date |
| 8033945 | Bicycle transmission system An enclosed bicycle drivetrain is provided that produces a range of drive ratios suitable for any riding purpose. The enclosure of substantially the entire drivetrain is made practical by the synergistic cooperation of a planetary drive system using a single chain r... | 10/11/2011 |
| 7874955 | Bicycle transmission system An enclosed bicycle drivetrain is provided that produces a range of drive ratios suitable for any riding purpose. The enclosure of substantially the entire drivetrain is made practical by the synergistic cooperation of a planetary drive system using a single chain r... | 01/25/2011 |
| 7815539 | Planetary transmission A planetary transmission comprising an input member, an output member, a planetary gear assembly mechanically disposed between the input member and the output member, a centrifugal clutch mechanically disposed between the input member and the output member, a one-wa... | 10/19/2010 |
| 7223198 | Automatic transmission carrier assembly including an overrunning brake A carrier assembly for a planetary gearset of a transmission includes a pinion carrier, a one-way brake having a rocker ring integral with the carrier and having multiple pockets mutually spaced about an axis and located on an outer radial surface of the carrier. A ... | 05/29/2007 |
| 6582333 | Transmission for use in the power trains of motor vehicles The power train of a motor vehicle has an engine which normally drives the wheels and can be started by an electric motor which acts as a generator once the engine is started. The torque transmitting connection between the crankshaft of the engine and a s... | 06/24/2003 |
| 6165096 | Self-shifting transmission apparatus A self-shifting transmission apparatus having a rotational drive and a rotational output spindle. A first transmission gear and an overrunning clutch are rotatably connected in series between the rotational drive and the rotational output spindle. A centr... | 12/26/2000 |
| 6013005 | Bicycle hub transmission with a cylindrical bolt for coupling a weight support to a hub shell A bicycle hub transmission includes a hub axle, a driver rotatably mounted to the hub axle, a slave rotatably mounted to the hub axle, a power transmitting mechanism disposed between the driver and the slave for changing a rotational speed of the driver a... | 01/11/2000 |
| 6010425 | Automatic bicycle hub transmission using flyweights A bicycle hub transmission includes a hub axle, a driver rotatably mounted to the hub axle, a slave rotatably mounted to the hub axle, a power transmitting mechanism disposed between the driver and the slave for changing a rotational speed of the driver a... | 01/04/2000 |
| 6004240 | Bicycle hub transmission having a two-piece driver A bicycle hub transmission includes a hub axle, a driver rotatably mounted to the hub axle, and a slave rotatably mounted to the hub axle. The driver includes a first driving member and a second driving member axially aligned with the first driving member... | 12/21/1999 |
| 5655984 | Transmission with progressive starting device, particularly for vehicles A transmission apparatus in which a differential-type transmission device has rotating elements with intermeshing teeth, one of which elements is connected to an input shaft and the other to an output shaft. One of the rotating elements is a reaction elem... | 08/12/1997 |
| 5151067 | Vehicle automatic transmission system A fully automatic transmission system for a vehicle eliminates the use of hydraulic or electromagnetic valves to control speed change, and instead utilizes clutches to change shift and disconnect power transmission, to minimize power consumption during id... | 09/29/1992 |
| 5083991 | Automatic speed-variating system An automatic speed-variating system includes: a first speed-variating device formed on a driving rotating device such as a bike pedal and its driving chain sprocket having a first planetary gear system and a ratchet wheel for preliminarily manually variat... | 01/28/1992 |
| 5011464 | Two-speed automatic transmission A two-speed centrifugally shifted automatic transmission provides an overdrive output shaft rotational speed that may be three times the rotational speed of the input shaft (12). A shift point at a partial speed may provide a direct drive through an overr... | 04/30/1991 |
| 4991473 | Rotating driver with automatic speed switching and torque limiting controls A driver with automatic speed and torque switching including two different drive trains which operate in parallel and are driven at the same time by a motor. One drive train provides a high-speed output while the other provides a low-speed output. A singl... | 02/12/1991 |
| 4448279 | Vehicle drive unit A drive unit for a vehicle having two juxtaposed drive wheels comprises an engine, an axle for supporting on its ends the drive wheels, a final output gear operatively coupled with the engine and mounted on the axle adjacent to one of the drive wheels, an... | 05/15/1984 |
| 4229997 | Multiple speed hub for a bicycle with centrifugally controlled speed change and override mechanism actuated by back pedaling Two transmission members of a planetary gear transmission in a hub of a driven vehicle wheel are driven simultaneously at different speeds in a forward or backward direction. Driven forward movement of the slower transmission member is transmitted to the ... | 10/28/1980 |
