Locking mechanism for movable vehicle members

Details Locking mechanism for movable vehicle members Locking mechanism for movable vehicle members

1977-01-13

1979-01-02

Halvosa, George E. A.

Brakes

Wheel

Positive lock

91415, 172789, 172795, B62C 702

Patent

active

041322908

ABSTRACT:
A locking mechanism is provided for an apparatus having a first member movable relative to a second member providing a plurality of spaced holes therein including: a housing secured to the first member; a lock pin extendably retractably mounted in the housing for insertion into the holes in the second member; and a powered control circuit having an actuated member movably mounted within the housing and connected to the lock pin, the actuator member providing differential force applying surfaces selectively exerting a predetermined locking force to hold the lock pin in the holes and a lower indexing force permitting substantially unrestricted relative movement between the first and second members and automatic insertion of the pin into one of the aligned holes.

REFERENCES:
patent: 3118347 (1964-01-01), Thompson
patent: 3138884 (1964-06-01), Hein et al.
patent: 3227050 (1966-01-01), Hein et al.
patent: 3454110 (1969-07-01), Hanser
patent: 3583493 (1971-06-01), Wadelton
patent: 3692149 (1972-09-01), Evans
patent: 3698617 (1972-10-01), Fukaya et al.
patent: 3739861 (1973-06-01), Johnson et al.
Lift Arm Locking Valve and Pin, John Deere, Pub. TM-1123, 1975.

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