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Joseph Cooper
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16,090. Cooper, J. July 11. No Patent granted (Staling fee not paid). Cranks; cam mechanism.-Relates to variablethrow cranks for cycles &c., of the kind having a part such as B, Fig. 1, carrying a pedal b and sliding radially upon a fixed part such as A. The part B on each of a pair of cranks carries a. roller b<2> engaging a separate cam-groove c on a separate cam-plate C. Rollers b <1> are arranged between the parts A, B to reduce friction, and in a modified form shown in Fig. 3 there are additional rollers b<5>. Each roller b<2> may consist of a core e, Fig. 5, of leather &c. secured between end-plates f.
GB191116090D1911-07-111911-07-11Improved Pedal Cranks for Cycles and the like.
ExpiredGB191116090A
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