Bicycle transmission

Details Bicycle transmission Bicycle transmission

1980-09-22

1983-12-13

Scott, Samuel

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

74 56, 74 88, 743375, 74372, 192 4891, 74 99R, F16H 3100, F16D 4104

Patent

active

044199058

ABSTRACT:
A collar on the drive shaft of a bicycle pedal hub is mounted with means to displace the collar longitudinally along the shaft. The displacement is accomplished by a limited reverse rotation of the pedals and shaft. The direction of the displacement may be in either longitudinal direction and depends upon the position of the collar before the reverse rotation of the pedals and shaft. Displacement of the collar causes a bicycle transmission to shift gears.

REFERENCES:
patent: 1524607 (1925-01-01), Williams
patent: 3200919 (1965-08-01), Lanigan
patent: 3648809 (1972-03-01), Schwerdhofer
patent: 4283969 (1981-08-01), Lapeyre

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