Park-lock mechanism for a vehicle transmission

Details Park-lock mechanism for a vehicle transmission Park-lock mechanism for a vehicle transmission

1978-05-22

1979-06-12

Reger, Duane A.

Brakes

Vehicle

Positive lock

188 69, 188 823, B60T 106

Patent

active

041577450

ABSTRACT:
A park-lock mechanism for a vehicle transmission having a rotatable gear held against rotation by a pawl movable in two directions and being free of a pivot mounting. The pawl has arcuate surfaces which are contacted by a control member, for moving the pawl in a direction radially of the gear, and there is a sliding support for the pawl and a tension spring for positioning the pawl relative to the gear. The force of rotation of the gear itself is transmitted to the pawl, after initial release of the pawl by the control member, and thus further force on the control member is only a minimal amount since the force from the gear assists the movement of the control member after that initial control member movement.

REFERENCES:
patent: 1387156 (1921-08-01), Igo et al.
patent: 2631466 (1953-03-01), Deveson
patent: 2996154 (1961-08-01), Vial

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