Variable speed bicycle

Details Variable speed bicycle Variable speed bicycle

1977-06-10

1978-10-10

Betts, Kenneth H.

Land vehicles

Wheeled

Occupant propelled type

280261, 74217B, 7423017A, B62M 908

Patent

active

041193261

ABSTRACT:
A variable speed bicycle including a variable speed pulley assembly connected between the bicycle pedal assembly and the bicycle rear axle, the movable pulley halves of the variable speed pulley assembly being actuated by cables, each cable having one end operatively connected to a respective movable pulley half and the opposite end connected to a winding drum mounted on the bicycle frame.

REFERENCES:
patent: 2454991 (1948-11-01), Cooke
patent: 3837234 (1974-09-01), Chao
patent: 3884316 (1975-05-01), Bowers
patent: 3926020 (1975-12-01), Dantowitz
patent: 3965763 (1976-06-01), Wechsler
patent: 4052912 (1977-10-01), Vukelic

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