192 clutches and power-stop control – Clutches – Automatic
Patent
1985-02-13
1987-06-09
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Automatic
192 64, 192 81C, F16D 4120, F16D 4134
Patent
active
046713964
ABSTRACT:
The invention relates to a one-way clutch structure for a stationary exercise cycle, which structure comprises a flywheel journalled on an axle and a cog wheel for the transmission of the force created by treadling to said flywheel. Said one-way clutch structure allows, depending on the treadling velocity, the free rotation of the flywheel with respect to the cog wheel. In order to provide a one-way clutch structure of low manufacturing costs, the cog wheel is journaled on a first cylindrical surface formed in the center of the flywheel by means of a bushing member of plastic material. The coupling element is formed by a spring acting as a spring clutch known per se, which spring is fitted around the bushing member and a second cylindrical surface formed in the center, whereby the end of said spring which is on the side of the cog wheel is bent and locked in an opening provided on the cog wheel. A metal ring is fitted between the inner surface of the end of the bushing member which is on the side of the flywheel and the first cylindrical surface so as to prevent deformation of said bushing member.
REFERENCES:
patent: 1753434 (1930-04-01), Klocke
patent: 2643749 (1953-06-01), Greenlee
patent: 2971394 (1961-02-01), Christensen
patent: 3529703 (1968-06-01), Kroeker
patent: 3618721 (1971-11-01), Hare
patent: 3709341 (1971-05-01), Schulz
patent: 3865220 (1975-02-01), Thompson, Jr.
Hodge, Raymond, "Coiled Spring Works Ratchet Wrench" in Ideas From Practical Men, Aug. 19, 1943, p. 103.
Bonck Rodney H.
Testardi David A.
Tunturipyora Oy
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