Plate-type door opening control device

Details Plate-type door opening control device Plate-type door opening control device

1975-07-22

1976-11-23

Moore, Richard E.

Closure fasteners

Operators with knobs or handles

E05C 2100

Patent

active

039933393

ABSTRACT:
The invention relates to a device for controlling the opening and closing of a door, whether hinged or sliding, from both outside and inside, said device comprises, mounted on a common shaft, a first control plate replacing the conventional handle and rotatably rigid with said shaft, said first plate being housed in an external case, and another control plate mounted for loose rotation on said shaft and housed in an internal case, means being provided for interconnecting said plates when being rotated in one direction.

REFERENCES:
patent: 2784993 (1957-03-01), Collar

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