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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7669681 | Motorbike A motorbike whose driving force is enhanced and whose wheels are prevented from slipping is disclosed. The present invention includes a main body; an air suction section provided in the main body; a front rear wheel assembly provided in the front and rear side of th... | 03/02/2010 |
| 7441621 | Member for fixing a bicycle driving device The invention concerns a member for fixing (1) a bicycle wheel friction drive device comprising a first part (2) linked to said driving device (3), so as to be pivotable about a first pivot pin (4), and a second part (5) attached t... | 10/28/2008 |
| 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 |
| 7341123 | Running wheel arrangement for a wheelchair A running wheel arrangement for a wheelchair that can be driven by electric motor including a frame and wheels releasably connected. A driving motor being integrated in two wheels and the wheels are connected via a respective adapter arranged on the frame. The wheel... | 03/11/2008 |
| 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 |
| 7311164 | Illuminated scooter An illuminated scooter includes a platform having a pivotal, length-adjustable handlebar at a front end and a wheel at a back end. Mounted on the upper surface of the platform adjacent the wheel is a generator including a drive shaft with a roller at a distal end th... | 12/25/2007 |
| 7205732 | Energy collection and storage system A power generation and/or storage device utilizes human motion inputs or other power sources (i.e. hydraulics, pneumatics or explosive gases) to create mechanical kinetic energy that is stored (preferably in springs) and later released on demand to rotate a generato... | 04/17/2007 |
| 7205730 | Article transport vehicle The invention provides an article transport vehicle that includes: a vehicle body; a first wheel that supports the vehicle body; a second wheel that is disposed spaced apart from the first wheel in a fore-and-aft direction, and that supports the vehicle body; a firs... | 04/17/2007 |
| 7182319 | Roller assembly for a lifting device for a personal-transportation vehicle A preferred embodiment of a roller assembly for a lifting device for a personal-transportation vehicle includes a shaft member for mounting on a lifting arm assembly of the lifting device and having an outer surface, and a roller member for supporting a lifting stra... | 02/27/2007 |
| 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 |
| 7104368 | Disk-brake disk The disk includes a bell (2), an annular braking band (3) and coupling (11, 12, 13) between bell and band. The bell (2) is provided with a plurality of openings (6) along its periphery, the band (3) is provided in the vicini... | 09/12/2006 |
| 7040443 | Motorized scooter A scooter having a fuselage with a front portion and a rear portion that includes a rear wheel rotatably mounted at the rear portion. The scooter also includes a standing platform supported by the fuselage for supporting a rider and a transmission system mounted und... | 05/09/2006 |
| 7009350 | Energy collection and storage system A power generation and/or storage device utilizes human motion inputs or other power sources (i.e. hydraulics, pneumatics or explosive gases) to create mechanical kinetic energy that is stored (preferably in springs) and later released on demand to rotate a generato... | 03/07/2006 |
| 6886651 | Material transportation system A material transportation system includes one or more material transportation vehicles, each having magnetic wheels coupled to a magnetically attractive surface that can include a ceiling, a wall, a floor, and/or a transition region. The material transportation vehi... | 05/03/2005 |
| 6878084 | Power transmission apparatus for bicycle A power transmission apparatus for a bicycle is provided comprising: a transmission driving part for transmitting a rotating force generated by a pedaling force applied to a sun gear shaft of a pedal part in the bicycle to a rear w... | 04/12/2005 |
| 6672419 | Motorcycle front brake rotor mounting The present invention provides a motorcycle that includes a frame, a wheel mounted to the frame for rotation with respect to the frame, a rotor mounted to the wheel, and a caliper selectively clamping the rotor to slow down the rotation of the wheel. A bi... | 01/06/2004 |
| 6609584 | Electrically integrated scooter with dual suspension and stowage mechanism The present invention is an electric scooter having batteries concealed below the standing platform in a multipurpose battery pan, an anti-lock brake, a dual suspension, a stow and carry feature, integrated electronics including brake control, throttle co... | 08/26/2003 |
| 6561298 | Motorcycle front brake rotor mounting A motorcycle that includes a frame, a wheel mounted to the frame for rotation about an axis of rotation, a rotor mounted to the wheel, and a caliper selectively clamping the rotor to slow down the rotation of the wheel. The rotor includes a slot having fl... | 05/13/2003 |
| 6537173 | Transmission system for a bicycle A transmission system provided for a bicycle, including a primary transmission sub-assembly having a set of rear sprockets, whose number of teeth, from one sprocket to the next sprocket in the ascending order, varies according to a ratio of the numbers of... | 03/25/2003 |
| 6531838 | Front-wheel-mounted electric motor for a wheeled vehicle An electric motor assembly to power a wheeled vehicle is disclosed comprising a support bracket having a horizontal mounting plate and a vertical mounting plate, each of which has edges and a central notch in one edge. An electric motor with an elongated ... | 03/11/2003 |
| 6497299 | Drive apparatus for a cycle Drive apparatus (2) for a cycle (4), comprising an electric motor (6), a first pulley (8) driven by electric motor (6), a second pulley (10), an endless belt (12) which passes around two pulleys (8, 10) and is driven by first pulley (8), and a swinging li... | 12/24/2002 |
| 6482121 | Parallel dual shaft drive apparatus A drive arrangement clamps an output disc such as a tire with two driving rollers so as to drive the output disc. The drive arrangement is compact, light-weight, low-noise and inexpensive, and can be used for a bicycle equipped with an electrical assist d... | 11/19/2002 |
| 6457374 | Gearbox for a motorcycle A gearbox for a motorcycle includes a casing containing a gear train therein. The gear train includes an input gear shaft rotatably mounted in the casing and operably connected to and thus driven by an engine of the motorcycle, and an output gear shaft ro... | 10/01/2002 |
| 6394213 | Power clutch mechanism of scooter A scooter is provided with a power clutch mechanism enabling the scooter to be moved by a motor of the mechanism, or by pushes made by one foot of a rider of the scooter. The mechanism has a drive wheel mounted on an output shaft of the motor which is mou... | 05/28/2002 |
| 6347681 | Electrically integrated scooter with dual suspension and stowage mechanism An electric scooter having batteries concealed below the standing platform in a multipurpose battery pan, an anti-lock brake, a dual suspension, a stow and carry feature, integrated electronics including brake control, throttle control, safety measures an... | 02/19/2002 |
| 6343667 | Electric-powered scooter An electric-powered scooter is disclosed having a chassis with a platform upon which the rider stands, a front wheel mounted to provide steering control and a rear wheel rotatably mounted at the rear section of the chassis. A pedal is pivotably mounted at... | 02/05/2002 |
| 6318491 | Driving brake assembly of scooter A driving brake assembly of a scooter includes a connecting bracket secured to a frame and having two sides each provided with an ear plate for pivoting a wheel; a base pivotally mounted on the connecting bracket and having a first end formed with a front... | 11/20/2001 |
| 6305485 | Mounting and gearing system for power-assisted bicycles A mounting and gearing system for power-assisted bicycles comprising a system frame 12 that mounts to brake posts 14 and to an axle clamp bolt 22 of a bicycle 21, an extension arm 3 use extension arm bolts 33 to bolt to an electric motor 1, that has squar... | 10/23/2001 |
| 6273212 | Lightweight maneuverable power chair A lightweight, easily maneuverable and transportable power chair, that may be manually propelled, includes a pair of freely rotatable wheels and a corresponding pairs of friction rollers and braking surfaces that are selectively engageable therewith to ef... | 08/14/2001 |
| 6273205 | Power clutch mechanism of scooter A power clutch mechanism of a scooter is formed of a power unit, an elastic member, a connection rod set, and an urging member. The power unit comprises a suspension seat pivoted with a footboard of the scooter, and a motor mounted on the suspension seat ... | 08/14/2001 |
| 6227324 | Electrically powered scooter An electrically powered scooter is disclosed having a chassis with a platform upon which the rider stands, a front wheel mounted to provide steering control and a rear wheel rotatably mounted at the rear section of the chassis. A pedal is pivotably mounte... | 05/08/2001 |
| 6102148 | Electrically powered bicycle driving mechanism An improved electrically powered driving mechanism for use on a bicycle can be readily mounted onto a common bicycle without making any additional conversion work. It is particularly designed to improve the inefficiency of a conventional friction-type tra... | 08/15/2000 |
| 6095274 | Engine drive for scooter An "all terrain" scooter is provided with a large central tubular chassis having two central brackets supporting a platform. At the rear, the tubular frame is offset to one side of the chassis for cantilevered support of the rear driven wheel. From this p... | 08/01/2000 |
| 6065557 | Power assist assembly for wheeled vehicles The assembly of the invention provides a direct frictional drive system for a wheeled vehicle having a vehicle frame whereby at least one drive roller is in frictional contact with a vehicle wheel, which includes a hub portion having a wheel axle, a rim p... | 05/23/2000 |
| 5992553 | Pedal power sensor and human powered vehicle drive augmentation responsive to cyclic pedal power input A human-powered vehicle power augmentation system produces a signal variable in response to applied force. The signal, transmitted to a control system, produces a motor-control signal which adds boost power to the human input in proportion to the amount b... | 11/30/1999 |
| 5900705 | Motor control device for a bicycle A motor control apparatus for a bicycle having a motor that moves to a plurality of first positions (e.g., gear shifting positions) and to a second position (e.g., an antitheft position) includes a signal providing circuit that provides a first signal for... | 05/04/1999 |
| 5842535 | Electric drive assembly for bicycles An electric drive assembly for driving a bicycle includes an electric power pack containing a battery or batteries, an electric motor, a drive wheel, a control circuit, a recharger and an electric switch in a common housing. A rack is installed about the ... | 12/01/1998 |
| 5829543 | Motorized in-line blade roller skate A motorized in-line blade roller skate having a longitudinally extending chassis plate with rear and front ends and several in-line blade roller members. A motor provides the necessary rotational movement that is transmitted through a cable to a gear asse... | 11/03/1998 |
| 5816355 | Power assist apparatus for a manually operated vehicle A power assist apparatus which includes a battery powered motor which is mounted on a manually operated vehicle such as a bicycle, which is to be selectively usable by the rider of the bicycle to not only assist in the manual operation of the bicycle but ... | 10/06/1998 |
| 5799747 | Bicycle power assist To encourage the use of bicycles for both recreation and transportation by reducing the normally excessive load on the cyclist during hill climbing. A simple on/off push button controls the power assist while a clutch automatically handles both engagement... | 09/01/1998 |
