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| Number | Title | Issue Date |
| 7980578 | Device of human conveyance An application for a device for human conveyance includes a front wheel and a rear wheel. The rear wheel interfaced to a sprocket through a ratchet drive system which allows forward rotation of the rear wheel in response to forward rotation of the sprocket and allow... | 07/19/2011 |
| 7938420 | Bicycle drive mechanism with pedal leverage arm A drive mechanism for a bicycle is provided including a pedal leverage arm, a drive sprocket spindle, a drive sprocket, a drive gear, and a vertical gear on each side of the bicycle. The vertical gear is attached to the pedal leverage arm so that the vertical gear c... | 05/10/2011 |
| 7924552 | Portable electronic device with an impact-protection function A portable electronic device includes a housing, a gasbag module installed on the housing in an expansible manner, and a pressure module connected to the gasbag module for conducting air outside the gasbag module into the gasbag module so as to expand the gasbag mod... | 04/12/2011 |
| 7600771 | Continuously variable drivetrain Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating cran... | 10/13/2009 |
| 7581742 | Pedal scooter The present invention relates to the drive assembly coupled with the pedal thereon the frame, and the transmission assemblies rotated by the drive assembly. Thereby to step on the pedal repeatedly rotates the transmission assemblies to make the wheel rotate in singl... | 09/01/2009 |
| 7497453 | Reciprocal upward and downward pedaling bicycle structure A reciprocal upward and downward pedaling bicycle structure includes a main shaft of a free wheel at a chain wheel shaft, a driving body pivotally coupled to a frame of the main shaft, a pedal crank and a support rod on the driving body, and a driving belt linked to... | 03/03/2009 |
| 7300065 | Body weight-activated scooter A body weight-activated scooter having a rear, vertical chassis section and at least one front steering wheel mounted on a front chassis section and at least one rear drive-wheel, the scooter provided with a pair of systems substantially in alignment with a vertical... | 11/27/2007 |
| 7241381 | Method and apparatus for detecting chemical binding The method for screening binding between a target binder and potential pharmaceutical chemicals involves sending a solution (preferably an aqueous solution) of the target binder through a conduit to a size exclusion filter, the target binder being too large to pass ... | 07/10/2007 |
| 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 |
| 7125029 | Wheel assembly A wheel assembly is provided, particularly for use with a vehicle, for example a scooter or a bicycle and the like, for operation in both eccentric and concentric modes. The wheel rim of the assembly rotatably and concentrically supports a wheel hub thereon. An offs... | 10/24/2006 |
| 7121572 | Wheelchair foot stabilizer assembly A wheelchair foot stabilizer assembly attachable to a wheelchair foot plate is constructed having a foot stabilizer, a heel guard and a stabilizer attaching assembly. The foot stabilizer is provided with a covering that extends over the top of the front part of a fo... | 10/17/2006 |
| 7086993 | Exercise methods and apparatus An exercise apparatus includes left and right rigid connector links having first portions rotatably connected to respective cranks, second portions constrained to move in reciprocating fashion, and third, distal end portions configured to support a person's feet. Th... | 08/08/2006 |
| 7048290 | Recumbent cycle with a single stroke linear pedaling system A recumbent bicycle having a single stroke linear type of pedaling wherein both legs protract and retract simultaneously so that a single push is made instead of alternating pushes. Various other adjustements are posssible to accomodate the length of a user legs and... | 05/23/2006 |
| 7048289 | Human-powered vehicle Apparatus and methods are disclosed for a human-powered vehicle. The vehicle can be a two-wheel, recumbent-style vehicle. The vehicle can be readily disassembled for ease of transport. ... | 05/23/2006 |
| 7017698 | Motorcycle with dual drive chains A motorcycle having two drive chains. The gearbox output includes a left front sprocket and a right front sprocket. The rear wheel includes a left rear sprocket and a right rear sprocket. Left and right chains connect the respective front and rear sprockets. Power i... | 03/28/2006 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 6964424 | Drive system A drive system for use in a bicycle or the like, which includes a manually-operable member and a drive train connected to the member for transferring drive from the member to at least one of the bicycle wheels. The member is mounted for substantially rectilinear rec... | 11/15/2005 |
| 6926106 | Wheelchair having speed and direction control touchpad A wheelchair having a speed and direction control touchpad. The touchpad comprises two separated semi-conductive film layers, one measuring an X coordinate and one measuring a Y coordinate. When pressure is applied to the layers bringing them into contact with each ... | 08/09/2005 |
| 6904655 | Helical drive insertion and ejection A helical drive system for seating and unseating a removable component, such as a printed circuit board, into a slot is described. The helical drive system includes a receptacle fixed to a housing proximate the slot. A handle and drive shaft are attached to the prin... | 06/14/2005 |
| 6779807 | Human powered vehicle and propelling mechanism thereof A human propelled vehicle, e.g., bicycle, has a propelling mechanism that allows crank arms longer than eight inches. The propelling mechanism includes first and second shafts coupled to first and second crank arms and trained to a gear train, which is trained to a ... | 08/24/2004 |
| 6746034 | Wheelchair A wheelchair is disclosed that comprises a drive system that includes typically two input members carried for oscillatory movement on a frame of the wheelchair. A transmission is system disposed to mechanically interconnect each input member to a respective main gro... | 06/08/2004 |
| 6723029 | Pedal mechanism for cycles A drive mechanism for bicycles or similar exercise equipment in which the left and right pedals move generally up and down in a vertical plane. The pedals slide on vertical slide bars from their top to bottom positions. The pedals are connected by a pedal chain that... | 04/20/2004 |
| 6698779 | Kinetic energy generating mechanism A kinetic energy generating mechanism includes a driven mechanism having a transmission member wound around two driving members that are rotatably connected to two pivotal shafts fixedly connected to a vehicle at predetermined positions, a transmission me... | 03/02/2004 |
| 6663127 | Self-propelled exercise device A self-propelled exercise device such as a bicycle includes a frame having a drive wheel rotatably supported thereupon. The bicycle includes a first and a second foot link which are powered by the user. A coupler assembly directs the first end of each foo... | 12/16/2003 |
| 6609724 | Human-powered cycle which is ridden while lying down A cycle having front wheel forks with a front wheel, a steering device connected to the front wheel forks, and rear stays with a rear wheel that has a free-wheeling hub. The cycle of this invention also includes a frame which connects the forks and the st... | 08/26/2003 |
| 6588784 | Vertical pedal-operated vehicle A vertical pedal-operated vehicle can be driven directly by a driver's own weight. To operate such a vehicle, a driver is supposed to apply his/her own weight to the vehicle by treading his/her left and right foot alternately on a pair of pedals such that... | 07/08/2003 |
| 6578861 | Reciprocating type driving mechanism A reciprocating type driving mechanism for use for a bicycle, baby carriage and wheel chair, which can provide convenience in driving to the user and which comprises: a front and rear wheels W1 and W2; a gear box B; a driving and driven gears 20 and 30 an... | 06/17/2003 |
| 6554309 | Bicycle pedaling power unit with leverage shifting A system for powering vehicles such as bicycles using leverage type pedals each connected to a freewheeling sprocket and then connected to a common drive shaft in the rear of the vehicle. A keyed shaft connects all free wheeling sprockets and provides for... | 04/29/2003 |
| 6520525 | Folding tricycle A folding tricycle, maximizing the exercise effect by allowing a user to pedal the tricycle while standing up on the pedals, as well as being easy to move and carry by being folded to be of a small size, is disclosed. The folding tricycle has a running un... | 02/18/2003 |
| 6485041 | Step-cycle for exercise, recreation, and transport A bicycle for providing stair-stepping exercise motion, recreation, and mode of transport comprising a frame that includes a unique triangular rear portion, a pair of wheels, one for the front, one for the back, a chain driven, teardrop-shaped propulsion ... | 11/26/2002 |
| 6454287 | Bicycle This invention relates to a bicycle having a driving force transmitting mechanism with oscillating fulcrum point. A crank lever is connected between a sprocket and the one of pedal levers. When a rider steps on the pedals alternatively, force of the pedal... | 09/24/2002 |
| 6419251 | Propelling scooter A propelling scooter includes a chassis, a front wheel steerably attached to a front end of the chassis, a rear wheel rotatably attached to a rear end of the chassis and an elongated pedal disposed longitudinally above the chassis. The pedal has a backwar... | 07/16/2002 |
| 6412802 | Rectilinear propulsion apparatus A rectilinear propulsion apparatus for propelling a bicycle. The rectilinear propulsion apparatus includes a rectilinear drive portion comprising a plurality of rack gear assemblies fixedly coupled to the sides of the middle frame portion of the bicycle, ... | 07/02/2002 |
| 6402173 | Gravity tricycle A gravity tricycle is driven by a power-saving drive device. The drive device includes first and second pedals, which have drive rods respectively connected to bottom edges thereof, front ends of the drive rods being pivotally disposed on a pivot shaft at... | 06/11/2002 |
| 6382043 | Transmission assembly for a bicycle having forward/back gear A bicycle transmission assembly comprises a gear shifting device and a reciprocating pedal device that are mounted to a bicycle frame. The reciprocating pedal device comprises a reverse gear train consisting of a first reverse gear and a second reverse ge... | 05/07/2002 |
| 6336646 | Human powered vehicle with at least two wheels A human propulsion vehicle with at least two wheels (3, 5) comprising a first frame (1), handlebars (4) rotatably mounted onto the first frame (1) and connected to at least one wheel (3), a second frame (8) integrally connected to the first frame (1) at t... | 01/08/2002 |
| 6315313 | Energy storing bicycle Energy storing bicycle comprises: a fluid reservoir accommodating a fluid having a predetermined viscosity compressible for storing pressure energy, to which at least one supply pipe and at least one return pipe are connected; at least one pressure pump w... | 11/13/2001 |
| 6270102 | Drive mechanism for scooter A scooter having a rider-operated mechanism for driving the scooter forward includes an endless chain loop for transferring propulsion to one wheel of the scooter. In one aspect, a first sprocket wheel is mounted in a vertical plane below the footboard, a... | 08/07/2001 |
| 6237928 | Pedaled propulsion system A pedaled propulsion system has left and right foot pedals that travel up and down on roller slides on track members mounted on the bicycle frame. An endless drive web passes between the pedals and loops around a driven wheel at one end of the track assem... | 05/29/2001 |
| 6213487 | Helical drive wheelchair A wheelchair is provided with a helical drive mechanism. A rectilinear input to the helical drive causes an output gear to rotate, thus providing power to rotate the driving wheels of a wheelchair. The helical drive may include, for example, a compound he... | 04/10/2001 |
