Self-closing gate

Details Self-closing gate Self-closing gate

1990-10-29

1992-08-18

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

One direction imparts gravitational bias to swinging...

49239, E05F 104

Patent

active

051387964

ABSTRACT:
A self-closing gate includes a gate assembly (10) with at least one gate section (18) and a rotational mechanism (14). The rotational mechanism (14) includes structure (44) for rotatably mounting the gate section, structure (38) for storing rotational energy as the gate rotates through a predetermined rotational angle, and structure (38) for releasing the energy to cause continued rotation of the gate.

REFERENCES:
patent: 780623 (1905-01-01), Sisk
patent: 933677 (1909-09-01), Smith
patent: 1753506 (1930-04-01), Florine
patent: 1910666 (1933-05-01), Babson
patent: 2151052 (1939-03-01), Smart et al.
patent: 2693653 (1954-11-01), Dean, Jr.
patent: 2702399 (1955-02-01), Pinion et al.
patent: 2799103 (1957-07-01), Warren
patent: 3222806 (1965-12-01), Martin

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