Bumper actuated gate

Details Bumper actuated gate Bumper actuated gate

1980-12-09

1983-04-05

Kannan, Philip C.

Movable or removable closures

Bump actuated latch release for biased closure

49 30, 49272, E05C 1500

Patent

active

043786570

ABSTRACT:
A laterally swinging gate adapted for opening with a vehicle comprises a gate frame including stiff longitudinal members (1, 2) and upright end members (3, 4) interconnected and adapted to function as a torsion spring. The gas is pivoted at one end to a first post (16) for pivotal movement about an inclined hinge axis so that the gate is normally urged toward the closed position. At the other end of the gate a pair of second posts (71) support a bumper thrust actuated assembly (62) by which the gate is longitudinally twisted. A latch mechanism (64) releases the gate at a predetermined angle of twist so that it can swing to the open position under spring action. The gate is held in the open position for a predetermined time by a retainer mechanism (60) mounted on the first post (16).

REFERENCES:
patent: 2076092 (1937-04-01), Pinard
patent: 2594033 (1952-04-01), Kemp
patent: 2691836 (1954-10-01), David
patent: 2718079 (1955-09-01), Strey
patent: 3049827 (1962-08-01), Rascov
patent: 3378953 (1968-04-01), Barrowclough
patent: 3490175 (1970-01-01), Romberg
patent: 3657842 (1972-04-01), Romberg
patent: 3683554 (1972-08-01), Romberg

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