Matches 1 - 20 out of 20


Match Document Document Title
US20070024021 ERGONOMIC WHEELCHAIR PROPULSION SYSTEM  
The present application pertains to a wheelchair having a frame; a seat attached to the frame and supporting a user; two lateral drive wheels mounted on essentially horizontal axes; and a...
US20150028560 HUMAN-POWERED DRIVETRAIN  
Embodiments described herein are configured to receive forces generated by a user moving their appendages, and convert the force into mechanical force and/or energy. More specifically, embodiments...
US20140327225 Device of Human Conveyance  
A device for human conveyance includes a frame and a resilient member that has two ends. Upon exerting a flattening force on the resilient member, increase in distance between the two ends and the...
US20090224506 Bicycle Equipped With A Chainset/Crank-Arm System and Propelled by the Rider with His Feet in a Reciprocating Alternative Vertical Movement  
The invention concerns a device for assembling a bicycle equipped with a pedal crank system to improve the mechanics of the kinetic energy put in by the rider by simplifying the movement of the...
US20090058034 Phase Independent Row Motion Propelled Bicycle  
A standard-sized bicycle includes a main frame, a drive wheel and a rowing mechanism. The rowing mechanism is coupled to the main frame about a fulcrum. The fulcrum allows the rowing mechanism to...
US20100230925 Four Wheel Human Powered Striding Cycle  
A four wheeled, human-powered, striding cycle that uses the stepping and striding motion of the human legs to propel a rider forward. Two separate and dependent foot pedals are moved fore and aft...
US20140319795 SCOOTER HAVING A GEARING SYSTEM  
The invention is directed towards a scooter comprising a frame, front wheel carried by the frame, rear wheel carried by the frame, a pair of reciprocating pedals attached to the frame, a drive...
US20070228687 Bicycle propulsion mechanism  
This invention discloses a mechanism for propelling a bicycle through rectilinear reciprocation of the pedals. The mechanism includes a crank lever, which when forced by the drivers legs, pushes a...
US20130020780 Linear Drive Regular Upright Cycle  
A linear drive regular upright cycle (10) having linearly reciprocating pedals (30a,b) located between front wheel (14) and rear wheel (16) in order to achieve a more popular linear drive bicycle...
US20050253355 Leverage-activated bicycle, leverage activated tricycle, leverage activated vehicle moved by electricity generated by human power  
The system and the method of providing an efficient human powered vehicle by means of using levers that transmit the force produced on them to a rotational mechanism making move one or more wheels...
US20100096826 BICYCLE WITHOUT SEAT  
A bicycle according to the present invention comprises of a steering axis and an axle of rear wheel that are attached in one unit with a frame to build a form; a pair of guide members with guide...
US20090066053 Human powered vehicle with two reciprocal pedals  
A reciprocal pedal drive mechanism for human powered vehicles. The drive motion on each of the two pedals is efficiently converted to two motions, one for pedal recovery and the other for driving...
US20080179855 Systems and Methods for Propelling a Wheelchair  
In one embodiment, a wheelchair comprises an armature configured to be manipulated by a user of the wheelchair during a propulsion stroke to drive at least one wheel of the wheelchair, wherein the...
US20060181050 Occupant Propelled Transportation Vehicle  
The present invention provides a rectilinear vertical pedal system for an occupant propelled vehicle that has objects of improved ease of use, improved power transmission, and improved stability...
US20110248466 Phase Independent Row Motion Propelled Bicycle  
A standard-sized bicycle includes a main frame, a rear drive wheel and a rowing mechanism. The rowing mechanism is coupled to the steering columb about a fulcrum. The fulcrum allows the rowing...
US20070085297 Human-powered vehicles and carriageways  
A human-powered wheeled vehicle has a wheeled frame, a seat for the rider of the vehicle, a pair of levers arranged for pivotal movement about a common axis, clutch means whereby movement of...
US20100320720 Motion transfer mechanism for transferring reciprocal motion to rotary motion and rider-propelled vehicle utilizing motion transfer mechanism  
A motion transfer mechanism for transferring reciprocal motion to rotary motion. The motion transfer mechanism comprises at least one driving member configured to undergo reciprocal motion about a...
US20120061940 Drive Mechanism and Bicycle Drive System  
A drive mechanism effects a rotary power output in response to a reciprocating power input resulting from substantially linear forces applied to the drive mechanism, such as those forces applied...
US20110193312 Drive Apparatus  
A drive apparatus for converting a substantially linear drive force to a rotary propulsive force, the apparatus includes a track member and a pedal slidingly engaging the track member. The pedal...
US20160075399 Scooter Having A Gearing System  
The invention is directed towards a scooter comprising a frame, a front wheel carried by the frame, a rear wheel carried by the frame, a pair of reciprocating pedals attached to the frame, a drive...

Matches 1 - 20 out of 20