Torque limiting ratchet for bicycle mounting exercising device

Details Torque limiting ratchet for bicycle mounting exercising device Torque limiting ratchet for bicycle mounting exercising device

1994-07-26

2000-02-01

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

464 37, 464 40, 464 36, 192111A, 192 561, 192 562, 188 719, F16D 706

Patent

active

060197080

ABSTRACT:
A torque limiting ratchet mechanism disposed within a crank handle. The ratcheting mechanism includes a ratchet disk having inner projecting portions which engage a shaft for rotational purposes, and resilient outwardly projecting portions which are engagable in indentations formed in an inner surface of the ratchet handle. The torque limiting ratchet mechanism of the present invention is particularly utilized in a bicycle mounted exercise trainer. In this utilization, one cone of the mounting system is laterally fixed and the other cone, which is engaged to the torque limiting ratchet is laterally movable to clamp the axle of the rear wheel. Due to the large variation in bicycle rear wheel axle geometries, the roller portion of the wheel resistance mechanism is made longer to accommodate the single-sided movement of the mounting cones of the trainer.

REFERENCES:
patent: 2576069 (1951-11-01), Hoag et al.
patent: 2802354 (1957-08-01), Bohnhoff et al.
patent: 3866908 (1975-02-01), Hangler
patent: 3942337 (1976-03-01), Leonard et al.
patent: 4421308 (1983-12-01), Nagy
patent: 4768782 (1988-09-01), Blackburn
patent: 4834363 (1989-05-01), Sargeant et al.
patent: 4941651 (1990-07-01), Phillips
Advertisement for "Killer Headwind" trainers, Bicycling Magazine, Dec. 1992, p. 97.

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