Gate opening and closing system

Details Gate opening and closing system Gate opening and closing system

1985-11-14

1987-05-26

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

One direction imparts gravitational bias to swinging...

49139, 49357, 49396, E05F 104

Patent

active

046674403

ABSTRACT:
A remotely operated gate opening and closing system including a gate post with two vertically spaced helical slots through the walls of the post, a slideable and rotatable spindle concentrically inside the gate post, two L-shaped pins attached to the spindle and extending outwardly through the slots, a swinging gate with two eye supports pivotally connected to the two L-shaped pins, two spaced lever arms rigidly connected to the swinging gate and having a lug projecting horizontally outwardly toward the gate post, a locking bar selectively manually attachable to lock each lug to its respective L-shaped pin, a vertically reciprocating rod attached to the spindle, and a power drive for moving the rod.

REFERENCES:
patent: 1883792 (1932-10-01), Jobes
patent: 2925674 (1960-02-01), Madden
patent: 4231190 (1980-11-01), Tieben
patent: 4458448 (1984-07-01), Proulx
patent: 4520592 (1985-06-01), Holloway

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