Vehicle park lock mechanism

Details Vehicle park lock mechanism Vehicle park lock mechanism

1992-07-23

1993-12-14

Bonck, Rodney H.

Machine element or mechanism

Gearing

With brake means for gearing

74577M, 74577S, 192 4A, 188 69, F16D 4900, G05G 518

Patent

active

052691950

ABSTRACT:
In a vehicle park lock mechanism having a rotatable lock arm (5) for locking a gear (3) which is fixedly mounted on a transmission shaft (2), a pawl device integral with the lock arm is comprised of first and second locking pawls (6F, 6R) which are operable to engage the gear so as to prevent forward and backward directional rotations of the gear. The first and second pawls are arranged such that they may project into one and another toothe spaces (3b) of the gear which are spaced circumferentially of the gear with at least one tooth space therebetween. Gear having a relatively large pressure angle such as a transmission gear may satisfactorily be used as the gear for the lock mechanism.

REFERENCES:
patent: 3187846 (1965-06-01), Powell
patent: 3601231 (1971-08-01), Kolacz et al.
patent: 3990541 (1976-11-01), Dobrinska et al.
patent: 4029267 (1977-06-01), Slipper
patent: 4089394 (1978-05-01), Haupt et al.
patent: 4157745 (1979-06-01), Nelson
patent: 4310081 (1982-01-01), Kolacz
patent: 4413712 (1983-11-01), Richard
patent: 4823633 (1989-04-01), Pike

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