Land vehicles – Wheeled – Occupant propelled type
Patent
1991-08-14
1993-09-07
Camby, Richard M.
Land vehicles
Wheeled
Occupant propelled type
280252, 280253, 280255, 280256, 280257, 280258, B62M 104
Patent
active
052421813
ABSTRACT:
A human powered vehicle is disclosed. The vehicle includes a frame with the capability for supporting an operator one the frame. The vehicle further includes a drive wheel mounted for rotation to the frame, and a mechanism powered by the drive wheel to propel the vehicle. A device is also provided for rotating the drive wheel to operate the power mechanism. A pedal lever arm is mounted to the frame for reciprocating movement between first and second positions, and a cam member is operatively secured to the frame and said pedal lever arm for pivotal oscillating movement in response to reciprocal movement of the lever arm. Finally, a linkage couples the cam member with the drive wheel rotating device and is mounted for longitudinal reciprocating movement relative to the length of the frame in response to the oscillating movement of the cam member to operate the drive wheel rotating device.
REFERENCES:
patent: 1562553 (1925-11-01), Hansen
patent: 1876859 (1932-09-01), Colella
patent: 4052912 (1977-10-01), Vukelic
patent: 4379566 (1983-04-01), Titcomb
patent: 4592563 (1986-06-01), Dean et al.
patent: 4616840 (1986-10-01), Green
patent: 4708356 (1987-11-01), Levavi
Fales H. Russell
Sarnella Tyrus
Camby Richard M.
Isaac John L.
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