Fifteen speed variable radius bicycle transmission

Details Fifteen speed variable radius bicycle transmission Fifteen speed variable radius bicycle transmission

B - Operations, Transporting

62

M

74/32

B62M 9/08 (2006.01)

Patent

CA 1311629

Abstract of the Disclosure A fifteen speed bicycle transmission wholly located on the rear driving wheel except for a manual control mounted elsewhere, e.g. on the handle bar, and including two closely arranged circular co-axial plates on the hub, one plate being a drive plate with radial slots and the other plate being a cam plate with curved slots, and sprocket elements each located in a combined curved and straight slot for radial adjustment upon rotary motion between plates, and locking means including notches and pawls on the plates at the peripheries thereof and actuated to unlock the plates by the control.

581786

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