Matches 1 - 14 out of 14


Match Document Document Title
US20080073137 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...
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...
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...
US20050051992 Bicycle drive mechanism  
A mechanism for a pedaled vehicle such as a bicycle. The drive mechanism includes a first and second pedal connected to a first and second pedal guide. The first and second pedal guide are movably...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 14 out of 14