Automatic transmission with stepless, continuously variable...

Details Automatic transmission with stepless, continuously variable... Automatic transmission with stepless, continuously variable...

2006-03-14

2006-03-14

Boehler, Anne Marie (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C474S049000

Reexamination Certificate

active

07011322

ABSTRACT:
An automatically and smoothly continuously variable transmission, particularly for a bicycle, for transmitting input mechanical energy from a crank to the drive wheel. A ratchet, having an oscillatory, alternating motion member and a continuous rotary motion member, connected to the driven wheel, has a drive spring drivingly linked between the ratchet alternating member and the crank for driving the ratchet alternating member in one direction of motion. A return spring is linked to the ratchet alternating member for applying a return force upon the ratchet alternating member to return the alternating member in the opposite direction.

REFERENCES:
patent: 1788729 (1931-01-01), Meier
patent: 2023579 (1935-12-01), Dodge
patent: 2584447 (1952-02-01), Hayot
patent: 4762332 (1988-08-01), Seol
patent: 4781663 (1988-11-01), Reswick
patent: 5054801 (1991-10-01), Maguire
patent: 5272928 (1993-12-01), Young
patent: 5772546 (1998-06-01), Warszewski
patent: 6432009 (2002-08-01), Hansen et al.

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