Door closer

Details Door closer Door closer

1980-08-15

1983-01-04

Reynolds, Wm. Carter

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

49 30, E05F 1512, E05F 1518, E05F 1520

Patent

active

043665950

ABSTRACT:
An automatic motorized door closure having an arm freely movable on a motor shaft in response to opening a door and after a time delay being connected to the motor shaft and automatically moving the door to a closed position.

REFERENCES:
patent: 1827595 (1931-10-01), MacGuire
patent: 2591693 (1952-04-01), Gatesy
patent: 2895728 (1959-07-01), Edelman
patent: 4287639 (1981-09-01), Denton

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