Reverse to park mechanism with secure latching

Details Reverse to park mechanism with secure latching Reverse to park mechanism with secure latching

1989-06-05

1990-05-15

Herrmann, Allan D.

Machine element or mechanism

Elements

Cranks and wrist pins

1525016, B60S 124, F16C 328

Patent

active

049247263

ABSTRACT:
A reverse to park mechanism of the type in which a crank arm is eccentrically pivoted relative to a reversable drive shaft axis. The crank arm is held in a first position by a drive lug on one side of the crank arm that prevents it from pivoting in one direction, and a latching lever pivoted to the crank arm that engages a latching pin to prevent it from pivoting in the other direction. The orientation of a keeper surface of the latching lever relative to the cylindrical surface of the latching pin that it contacts is designed to provide a very strong resistance to slip off, while allowing a reversal activated torque means to easily move the keeper surface off of the latching pin to release the crank arm.

REFERENCES:
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patent: 2753721 (1956-07-01), Latta
patent: 3253206 (1966-05-01), Romanowski
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patent: 3665772 (1972-05-01), Beard et al.
patent: 3716887 (1973-02-01), Bellware
patent: 3942385 (1976-09-01), Westerdale
patent: 4400844 (1988-08-01), Hayakawa et al.
patent: 4454626 (1984-06-01), Schmidt et al.
patent: 4559845 (1985-12-01), Fallows
patent: 4597129 (1986-07-01), Eustache et al.
patent: 4610046 (1986-09-01), Buschur et al.
patent: 4729144 (1988-03-01), Sahara et al.
patent: 4798102 (1989-01-01), Buschur et al.

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