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US 4,061,046 AGranted
Pedal-actuated bicycle gear shift means
OwnerRichard A. Langinventor
Life of this patent
Estimating the term…
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.
Claims14
In a bicycle provided with front and rear sprockets defining multiple gears and a drive chain extending therebetween, a shifting mechanism, means to effect shifting of the chain with respect to the gears, the improvement comprising:
- means cooperatively associated with the foot pedals of the bicycle for controlling the gear-shifting means, said pedal means including moveable elements on the pedal whereby movement of the pedal to any one of a plurality of preselected positions will effect the requisite shifting of the chain with respect to the gears.
Dependencies are inferred from the claim text.