Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8051937 | Thermal assistance for bicycle A pedaling assistance device for a light vehicle, in particular a bicycle, equipped with pedals and a ratio-changing transmission, this device comprising a heat engine (1; 101; 201) equipped with a reducing gear mechanically coupled with an element receiving ... | 11/08/2011 |
| 7753157 | Motorcycle with pedals The present invention presents a motorcycle with pedals comprising a light tough metal alloy or composite frame with a swing arm pivoting about a jack shaft to the rear axle, the jack shaft turning two sprockets and a free wheel with another sprocket at the pedal, a... | 07/13/2010 |
| 7386482 | Server system for distributing an electromotive power assisted bicycle To realize a unit sales system of an electromotive power assisted bicycle that provides a broad range of flexibility in conformity with requirements of a user, a server computer 1-1 for distributing an electromotive power assisted bicycle according to ... | 06/10/2008 |
| 7370720 | Electromotive power assisted bicycle An electromotive power assisted bicycle includes a drive shaft rotated by a pedal effort a primary sprocket fixed to the drive shaft for transmitting the pedal effort to a drive wheel; a secondary sprocket fixed to the drive shaft coaxially with the primary sprocket... | 05/13/2008 |
| 7357209 | Electrically assisted bicycle which enables aerobic exercise To provide an electromotive power assisted bicycle enabling an aerobic exercise with a light weight and simple mechanism, an electromotive power assisted bicycle 1 comprises a pedal effort detection means for detecting a pedal effort (99, 126), a drive... | 04/15/2008 |
| 7338059 | Bicycle drive unit A bicycle drive unit is disclosed that includes a case frame, crank shaft, front sprocket, rear hub shaft and rear sprocket. The crank shaft includes first and second support portions that are spaced apart from one another and are supported on opposite lateral sides... | 03/04/2008 |
| 7314109 | Electric bicycle An electrically powered bicycle includes a hub motor, which is mounted to the bicycle frame by its axle. A drive sprocket mounted to the outer case of motor is engaged by a chain to the sprocket on a multi-speed hub on the rear wheel, so that when the motor turns, i... | 01/01/2008 |
| 7284631 | Drive unit able to be applied to a vehicle provided with pedals A drive unit able to be applied to a vehicle with pedals, like a bicycle, a tricycle or other, having at least a flywheel and a pair of pedals connected to a central shaft rotatable around a rotation axis. The drive unit comprises an electric motor, fed by an electr... | 10/23/2007 |
| 7273123 | Electric bicycle power structure An electric bicycle power structure includes a motor, a power exchange device and pedal interlocking shafts; and provides power through the motor or the pedaling pedal interlocking shafts, wherein the powerexchange device automatically switches between the motor and... | 09/25/2007 |
| 7261175 | Power assisted bicycle A power assisted bicycle (10) which modifies an existing manually powered bicycle (12) by replacing the left pedal crank arm with a motor-driven sprocket and left pedal assembly (32). An electric motor (34) is attached to the bicycle's fr... | 08/28/2007 |
| 7207584 | Motorized bicycle drive system using a standard freewheel and left-crank drive An auxiliary power system for a bicycle having a motor (10) attached to the bicycle flame (22) by thin clamps (30), which can be arranged in a variety of positions to avoid disturbing the control cables. Power is delivered on demand via a sprock... | 04/24/2007 |
| 7201390 | Scooter operated manually or automatically A scooter includes a main body, a rear wheel mounted on a rear end of the main body, and an operation mechanism mounted on the main body and connected to the rear wheel to move the rear wheel. When in use, the rider steps on the two pedals to move the scooter forwar... | 04/10/2007 |
| 7195088 | Bicycle drive unit and bicycle chain stay A bicycle drive unit comprises a frame main unit, first and second cover members, a rear hub, a rear gear shift apparatus, an electric driving mechanism and a power supply unit. The frame main unit diverges from a front end portion toward first and second rear end p... | 03/27/2007 |
| 7156196 | Hub motor formed in a wheel Disclosed herein is a hub motor (100) formed in a wheel (14) for assisting in the movement of a vehicle (10) and methods associated therewith. ... | 01/02/2007 |
| 7150332 | Speed controller for a vehicle A kinematic speed controller for a vehicle requires the constant deliberate movement of a rotary apparatus which is physically independent from the vehicle drive system. It does not require substantial operator muscle power since there is no direct mechanical connec... | 12/19/2006 |
| 7117966 | Battery mounting arrangement for electrically powered vehicle An electrically-powered scooter including a front wheel, a rear wheel and a frame assembly. A handlebar assembly and a seat assembly are supported by the frame assembly. The frame assembly includes a left frame rail and a right frame rail spaced laterally from one a... | 10/10/2006 |
| 7100932 | Integrated control and power unit for use aboard a bicycle A housing for an electronic control unit for use with a bicycle and a battery container for powering electrical devices thereon has a quick couple that when coupled, provides the electrical connection between the batteries and the control unit. ... | 09/05/2006 |
| 7083022 | Motorcycle drive train A motorcycle is described which has a frame and a rear wheel attached to a driven pulley. A drive pulley is rotatably mounted to a rigid bracket attached to the frame such that a relative orientation between the drive pulley and the driven pulley is maintained subst... | 08/01/2006 |
| 7040441 | Motorized vehicle and manufacturing methods therefor Disclosed is a vehicle consisting of a bike frame having front and rear forks, a front wheel attached to the front fork, a rear wheel attached to the rear fork, and a drive train including a crank attached to the frame, a chain ring assembly attached to the crank, a... | 05/09/2006 |
| 7004274 | Installation structure of battery unit An installation structure allowing installation of a capacitor as a battery unit in a hybrid vehicle, even in a vehicle not having a luggage compartment, is provided. A rear pillar cross member is mounted behind the rear seat in the cross section of the vehicle, and... | 02/28/2006 |
| 6976551 | Power-assist system and method for bicycles A power-assist system for a bicycle by which the bicycle can be operated in various modes. There is a pedal-alone mode, a power-assist mode, a combined pedaling and power-assist mode, and a coasting mode. An overriding clutch is positioned between the pedal section ... | 12/20/2005 |
| 6920947 | Exercise mode for a personal transporter device A personal transporter device and corresponding method of operation are given that utilize an exercise mode. A transporter assembly includes a platform, a ground-contacting module, and a motorized drive. The platform supports a user. The ground-contacting module is ... | 07/26/2005 |
| 6866111 | Method and apparatus for proportionally assisted propulsion A system for the proportional propulsion assistance by a DC motor propulsion secured to a wheel of a bicycle propelled by a user person who provides an effort. The system has a strain gauge for the detection and measurement of a flexion of a stationary shaft of a re... | 03/15/2005 |
| 6554730 | Auxiliary device for bicycle with traction roller type gear An auxiliary equipment of driving force for bicycle is provided wherein a reduction gear of the traction roller type is adopted, and the contact pressure between the outer peripheral surfaces of the traction rollers and the outer peripheral surface of the... | 04/29/2003 |
| 6516908 | Transmission for an electric bicycle A transmission for an electric bicycle has a motor having an output axle extending into the housing and a driving gear secured on the output axle and engaged with an idler. A crank axle has a first non-return means assembled between the stepped sleeve and... | 02/11/2003 |
| 6371501 | Tread wheel frame system A Tread Wheel Frame System drives a human-powered cycle by a tread wheel driving a tread of a drive wheel of a cycle rather than driving a drive wheel hub, as conventional cycles do. Most of the driving mechanism, including the tread wheel, a speed ratio ... | 04/16/2002 |
| 6352131 | Bicycle's power train A unidirectional rotating assembly, a bicycle powering mechanism, and a bicycle using the same are disclosed. The unidirectional rotating assembly allows a chainring to rotate while the crank and axle remains still. The bicycling powering mechanism combin... | 03/05/2002 |
| 6336516 | Power drive attachment for pedal cycles A power drive attachment for a pedal cycle includes a drive motor mounted on the frame of the cycle. An output drive sprocket is mounted on the motor in close vicinity to the chain ring, wherein the drive chain is captured between the drive sprocket and t... | 01/08/2002 |
| 6276479 | Drive arrangement for electric power assisted bicycle A drive arrangement for an electrically power assisted bicycle, wherein the electrical power assist components are comprised of an electric motor and transmission as one unit and a battery as another unit, with the electric motor and transmission being di... | 08/21/2001 |
| 6270438 | Combination driving hub for bicycle The invention discloses a combination driving hub for a bicycle. The hub has a pair of cups mating together at end faces thereof thus forming a housing. A central opening is defined in each cup through both of which a spindle having a first and a second e... | 08/07/2001 |
| 6263993 | Transmission assembly for electrically powered bicycle A transmission assembly for an electrically powered bicycle has a manual transmission unit and an electrical transmission unit. The electrical transmission unit includes a planetary gear device for transferring rotation of a motor shaft of a motor to a fr... | 07/24/2001 |
| 6213236 | Sensor for bicycle with assist engine A gasoline engine power assisted pedal operated vehicle. The amount of assist provided by the engine is varied in response to variations in the manual force applied by the operator to the pedal mechanism. However, in order to provide smoother power assist... | 04/10/2001 |
| 6157149 | Kinetic energy regenerating device for an electric motor bicycle A kinetic energy regenerating device for an electric motor bicycle by using an electric motor for rear wheel driving and is utilized as a dynamo. An objective of the present invention is achieved by a kinetic energy regenerating device by using an electri... | 12/05/2000 |
| 6152251 | Power assist bicycle A power assist bicycle includes a front wheel and a rear wheel, a bicycle body frame supporting the front and rear wheels to be rotatable, a saddle mounted to the bicycle body frame on which a rider rides, and a pair of pedals which are operatively connec... | 11/28/2000 |
| 6125959 | Manpower-assisting power apparatus A manpower-assisting power apparatus for appropriately applying power to assist human power without using a large, high cost torque detection apparatus, and enabling operation by human power to be continued even when external motor-generated power is no l... | 10/03/2000 |
| 6080073 | Electric auxiliary apparatus for bicycle An electric auxiliary apparatus for a bicycle mainly comprises an electric motor, a gear reduction mechanism, a power combination mechanism, and a pedal force sensing mechanism, wherein the gear reduction mechanism includes a planetary gear assembly, a be... | 06/27/2000 |
| 5984335 | Crank assembly for an electrical bicycle A crank assembly for an electrical bicycle includes a crank axle with two uni-directional bearings respectively and securely mounted to two ends thereof, each one of the uni-directional bearings securely connected to a respective one of two torque members... | 11/16/1999 |
| 5910714 | Electrical power assist apparatus for a wheeled vehicle This disclosure describes an improved electrical power apparatus for assisting a rider in powering a wheeled vehicle such as a bicycle. The apparatus controllably connects a rechargeable battery to a dc motor engageable with a wheel of the vehicle in a pr... | 06/08/1999 |
| 5845727 | Driving force auxiliary device A driving force auxiliary device for combining a manpower drive force and a motor drive force comprises a manpower drive unit, an auxiliary power drive unit, and a leg power detecting means, wherein the manpower drive unit has a first one-way clutch and a... | 12/08/1998 |
| 5836414 | Manpower-assisting power apparatus A manpower-assisting power for appropriately applying power to assist human power without using a large, high cost torque detection apparatus, and enabling operation by human power to be continued even when external motor-generated power is no longer appl... | 11/17/1998 |
