One-way overrunning clutch mechanism

Details One-way overrunning clutch mechanism One-way overrunning clutch mechanism

1996-08-26

1997-10-21

Pitts, Andrea L.

192 clutches and power-stop control

Clutches

Automatic

192 451, F16D 4112

Patent

active

056786689

ABSTRACT:
An overrunning clutch comprising annular drive and driven members having generally planar clutch plate sections supported in fixed parallel relation for rotation about a common axis. One clutch plate section has an annular row of ratchet teeth formed in the inner surface and the other clutch plate section has at least one aperture extending therethrough, with an elongated rigid pawl supported on one end of a resilient arm located in the aperture. The aperture provides an abutment surface for one end of the pawl and the resilient arm is biased to urge the other end of the pawl from the aperture to engage the ratchet teeth. The rigid pawl, the resilient arm and the other clutch plate section may be integrally formed, and the clutch assembly may consist of two pieces only.

REFERENCES:
patent: 2226247 (1940-12-01), Lesage
patent: 2631446 (1953-03-01), Meyer
patent: 2864923 (1958-12-01), Mathews
patent: 3623582 (1971-11-01), Giger et al.
patent: 3838567 (1974-10-01), Giger et al.
patent: 4570769 (1986-02-01), Isaka
patent: 4711331 (1987-12-01), Hoffmann
patent: 5070978 (1991-12-01), Pires
patent: 5449057 (1995-09-01), Frank

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