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| Number | Title | Issue Date |
| 8047320 | Adjustable power unit mounting attachment for vehicle A powered cycle vehicle having an adjustable mounting system for a power unit is described. A power unit is attached to a wheel mounting bracket which is affixed to the vehicle frame and carries the cycle wheel. The wheel mounting bracket may be a unitary structure ... | 11/01/2011 |
| 7204788 | Pedal stroke adjuster for bicycles or the like A stroke adjusting attachment for bicycles or the like enables selective changing of the diameter of the orbit which is traveled by a foot pedal to adapt a particular bicycle to persons having different leg lengths or who may have physical impairments which limit fo... | 04/17/2007 |
| 7152501 | Bicycle crank fixing structure A bicycle crank fixing structure is arranged to fix a left crank with a mounting bore and a slit extending radially from the mounting bore to a crank axle. The mounting bore is non-rotatably coupled to the crank axle. The slit is provided with two mounting bolts tha... | 12/26/2006 |
| 7150339 | Electrically powered bicycle An electrically powered bicycle is disclosed including a rear fork assembly having a pair of structures extending from a frame, a wheel attached between the structures of the rear fork assembly, an electric motor mounted adjacent to the wheel, and a drive mechanism ... | 12/19/2006 |
| 7077414 | Self propelled scooter The present invention relates to a scooter that is self propelled with a uniquely designed spring winding propulsion system. Using a system of interrelated gears and sprockets, the propulsion system is automatically rewound as a user manually propels the scooter. Ac... | 07/18/2006 |
| 7017444 | Transmission for a bicycle pedal A transmission for a bicycle pedal has a fixed axle with an end operatively connected to a wheel of the bicycle and a guide axle connected to the fixed axle to form a crank. A bicycle pedal is rotatably mounted on a slider which is movably mounted on a guide portion... | 03/28/2006 |
| 6695331 | Kinetic energy generating mechanism A kinetic energy generating mechanism includes a driving part, a transmission part, and a driven part. The driving part includes front and rear rollers separately mounted on a vehicle, and an actuating belt wound around the front and rear rollers. The tra... | 02/24/2004 |
| 6340067 | Bicycle equipped with drive assist A pedaling force detection means can be simplified in arrangement, the number of assemblies thereof can be decreased, the pedaling force detection means can be made inexpensive and can detect a pedaling force reliably. A bicycle comprises a drive assist a... | 01/22/2002 |
| 5909781 | Power-assisting device for a bicycle and a bicycle equipped with the same A power-assisting device for use with a bicycle includes a hollow shaft which is adapted to be rotatably supported in a hanger lug of the bicycle. The hollow shaft is restricted to movement along a rotation center line thereof, and has (i) a first end por... | 06/08/1999 |
| 5671821 | Electric propulsion system for a bicycle An electric propulsion system for a bicycle, comprising a mounting structure adapted for connection to a frame portion of the bicycle, a drive roller, and first and second motors coupled to the mounting structure. Each of the first and second motors inclu... | 09/30/1997 |
| 5489002 | Solar powered two wheeled vehicle with energy intensifying solar collector A solar powered two wheeled vehicle having energy intensifying solar collectors includes a two wheeled moped type vehicle supporting a motor generator and pedal driven crank operatively coupled to a rear drive wheel, The vehicle further includes a rear bo... | 02/06/1996 |
| 5474148 | Bicycle with electric motor A pedal operated vehicle such as a bicycle having an electric motor assist. The assist ratio provided by the electric motor may be varied in response to a variety of vehicle conditions such as speed so as to reduce the consumption of electrical energy and... | 12/12/1995 |
| 5433284 | Electrical bicycle An improvement to electrical bicycles is provided. The bicycle is improved by directly securing a one-way driving assembly to the left side of the driving wheel's hub and forming a one-piece unit with the hub. By having an inserting body protruding from a... | 07/18/1995 |
| 5370200 | Bicycle with electric motor Several embodiments of pedal operated vehicles such as bicycles wherein electric motor assist is provided in response to the pedaling force applied by the rider. However, a number of embodiments of malfunction detection devices are disclosed and which wil... | 12/06/1994 |
| 5368122 | Electrical bicycle An electrical bicycle comprises a frame body, a battery and a rotation controller. Characterized in that a driving mechanism is disposed at the rear triangle supporter and one side of the spindle. The transmission collar and fly-wheel are disposed at both... | 11/29/1994 |
| 5226501 | Electric-motored bicycle Several embodiments of electric power assisted bicycles wherein an electrical motor is employed for assisting in the pedaling of the bicycle. The embodiments all include an arrangement for changing the state of the electrical power in response to pushing ... | 07/13/1993 |
| 5036937 | Exercise vehicle A three-wheel exercise vehicle that may be operator pedaled by means of a crank assembly that is coupled by a transmission to a wheel. In addition, an internal combustion engine may power this wheel. The pedal-operated crank assembly is also coupled to a ... | 08/06/1991 |
| 5013284 | Variable ratio drive system A variable ratio drive mechanism which operates to adjust the path of an endless drive belt in response to a remotely located control input. A plurality of circumferentially spaced sheave segments are respectively mounted in a plurality of radially extend... | 05/07/1991 |
| 4907680 | Semi-active damper piston valve assembly An improved isolation system for time responsive attenuation control led electromechanical valve assembly comprising the piston of motion between spaced members is provided having a remotely actuator of a fluid damper for generating motion attenuating for... | 03/13/1990 |
| 4846488 | Spring drive and spring drive scooter A spring drive and a spring drive scooter for use by an operator. The spring drive and spring drive scooter have a frame, a resilient member connected to the frame, a pedal, and a movement. The pedal is supported by the resilient member. The pedal is disp... | 07/11/1989 |
| 4662644 | Means for cyclically enhancing driving torque A device for cyclically enhancing driving torque in a mechanical assembly having a torque driven rotatable body, including a nonrotatable support carrying the body a drive means applying driving torque to the rotatable body fixed magnetic members, and a r... | 05/05/1987 |
| 4168758 | Electrically assisted pedal-propelled vehicles An electrically assisted pedal power vehicle includes a rotation sensing arrangement sensing the direction of rotation of a rotary drive member in the pedal propulsion mechanism of the vehicle. The rotation sensing arrangement includes a pair of switches ... | 09/25/1979 |
| 4122907 | Electrically assisted cycles An electrically assisted cycle, particularly but not exclusively a pedal bicycle or tricycle, wherein there is provided an electric motor which can assist the rider in propelling the cycle, the frame of the cycle supporting batteries for powering the moto... | 10/31/1978 |
| 4062421 | Bicycle drive system A power drive system to augment pedalling of a bicycle including a reversible magnetically balanced electromagnetic field positioned in proximity to one wheel of the bicycle, at least one permanent magnet mounted on the wheel to pass through the electroma... | 12/13/1977 |
| 4019230 | Reciprocating powered bicycle This is a unique arrangement for transmission of power, particularly for bicycles, and the like, in which arrangements are made through the use of roller clutch and ratchet arrangements or the like to provide for regular rotary leg motion or alternatively... | 04/26/1977 |
| 3991843 | Cycles A cycle according to the invention includes a rotatable pedal wheel coupled by a chain to the driving wheel of the cycle. An electric motor and associated power source are carried by the frame of the cycle and are coupled to the rear wheel whereby the ele... | 11/16/1976 |
