Noiseless ratchet drive mechanism for the bicycle and the like

Details Noiseless ratchet drive mechanism for the bicycle and the like Noiseless ratchet drive mechanism for the bicycle and the like

1975-11-03

1977-12-20

Silverstrim, John P.

Land vehicles

Wheeled

Occupant propelled type

192 45, 280246, B62M 104

Patent

active

040637476

ABSTRACT:
A noiseless ratchet drive mechanism consisting of a driven outer member including a sprocket wheel pivoting about the drive shaft and with a ring band forming a shell fixed on each side of the sprocket wheel concentrate to the drive shaft. On each side contiguous to this outer member disposed an inner member, one fixed to and the other pivoted about the drive shaft. Along the perimeter of each inner member disposed a number of ratchet drive mechanism friction engaging the shell, and with lever arms attached to each inner member so that pedaled oscillationwise the outer member is actuated rotating in one direction.

REFERENCES:
patent: 587837 (1897-08-01), Latimer
patent: 1809576 (1931-06-01), Verderber
patent: 2061167 (1936-11-01), Nardone
patent: 2225304 (1940-12-01), Killin
patent: 2653037 (1953-09-01), Lassiter
patent: 3323812 (1967-06-01), Young
patent: 3375023 (1968-03-01), Cox

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