Pedal-actuated bicycle gear shift means

Details Pedal-actuated bicycle gear shift means Pedal-actuated bicycle gear shift means

1976-09-03

1977-12-06

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74242, 280236, 745946, 745944, F16H 722, B62M 900

Patent

active

040610462

ABSTRACT:
In bicycles having multi-speed gear arrangements, the automatic shifting of gears in response to foot pedal pressures is effected by fluid or electrical connections from the pedals to the gear-changing mechanism thereby to impart full foot control to shifting with resultant improved pedaling cadence and bicycling comfort.

REFERENCES:
patent: 2024499 (1935-12-01), Baron
patent: 3402942 (1968-09-01), Shimano et al.
patent: 3732787 (1973-05-01), Yamaguchi
patent: 3742777 (1973-07-01), Mathauser
patent: 3830521 (1974-08-01), Gardel et al.
patent: 3873128 (1975-03-01), Dunder et al.

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