Enclosed single-axle driving mechanism for bicycles

Details Enclosed single-axle driving mechanism for bicycles Enclosed single-axle driving mechanism for bicycles

1988-11-18

1990-07-24

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

B62M 106

Patent

active

049430777

ABSTRACT:
An enclosed single-axle driving mechanism for bicycles to replace the traditional chain drive system, comprised of one pair of spiral driving gears and one pair of spiral driven gears for power transmission, to let the pedaling force be transmitted through a driving spindle to drive the axle of the free-wheel to rotate, so as to minimize space requirement and maximize the security.

REFERENCES:
patent: 632306 (1899-09-01), Bryant
patent: 666548 (1901-01-01), Parker
patent: 3861715 (1975-01-01), Mendoza

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