Gate assembly

Details Gate assembly Gate assembly

1991-01-22

1992-07-21

Anderson, Gerald A.

Movable or removable closures

With means mounting closure for swinging

Transverse pivot; e.g., single pivoted corner

49386, 49340, E05D 700

Patent

active

051311879

ABSTRACT:
A gate assembly for a vertically pivoting gate includes a support and coil springs connected between the gate and the support to bias the gate toward a vertical, open position, as well as from the open position back to a horizontal, closed position. The springs are attached to the support, and cables extend from the springs to the gate. Sheaves mounted on the support engage the cables to induce the return bias in the springs to move the gate back to the closed position. The mounting for the sheaves includes a member engaging the gate to support the gate in a precisely vertical orientation when the gate is in the open position.

REFERENCES:
patent: 4270312 (1981-06-01), Courtis et al.
patent: 4887393 (1989-12-01), Cysewski

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