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Clutch

Racket clutch as fitted to Devon tricycle

1879

Roller clutch for cycles, designed c. 1880 by Thomas Humber

Roller clutch designed by Humber for cycles

circa 1880

Roller clutch as fitted in 1881 to the Cheylesmore double-driven rear steering tricycle. Presented by Swift Cycle Co., Coventry. Clutch was patented by J White and G Davies. Cycle was built by the Coventry Machinists Company.

Roller clutch as fitted to Cheylesmore tricycle

1881

Section of a sprag clutch

Section of a sprag clutch