Heavy duty constant use self closing gate

Details Heavy duty constant use self closing gate Heavy duty constant use self closing gate

1991-12-26

1992-07-28

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

One direction imparts gravitational bias to swinging...

16312, 16314, E05D 706, E05F 104

Patent

active

051331527

ABSTRACT:
A self closing gate comprising a pair of first and second parallel and spaced vertically extending stationary posts. The gate is mounted between the posts for rotation about the first post between positions closing the space between the posts and opening the space. A pivot assembly is mounted on the first post between one end of the gate and the first post, the pivot assembly comprising an outer rotatable housing tube and a stationary and vertically extending shaft. A stationary housing tube is mounted below and aligned with and for supporting the rotatable housing tube, the bottom annular edge of the rotatable housing tube and the top of the stationary tube being at a bias so that when the gate is opened it will rise. Gravity will close the gate when released.

REFERENCES:
patent: Re24059 (1955-09-01), Pinion et al.
patent: 1383961 (1921-07-01), Melugin
patent: 3626547 (1969-10-01), Werner
patent: 4253275 (1981-03-01), Killough
patent: 4494275 (1985-01-01), Hsi-Shan
patent: 5052531 (1991-06-01), McCarty

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