Door closer permitting free-swing and regular-closer modes

Details Door closer permitting free-swing and regular-closer modes Door closer permitting free-swing and regular-closer modes

1979-03-29

1981-09-08

Reynolds, Wm. Carter

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

Thermally released check or closer

16 51, 16 71, E05F 1520, E05F 100, E05F 304

Patent

active

042876397

ABSTRACT:
Door closer of the type which holds the door open until an associated electric circuit is opened or closed. Provides means for free swinging of the door when the door closer is "cocked". This is achieved by a drive plate interposed between the closer shaft and its operator arm. The plate provides a pair of apertures which may selectively retain a pin adapted to work against the closer arm.

REFERENCES:
patent: 1011287 (1911-12-01), Voight
patent: 1816392 (1931-07-01), Moore
patent: 2314544 (1943-03-01), Larson
patent: 2851719 (1958-09-01), Bernhard
patent: 3178759 (1965-04-01), Patriquin et al.
patent: 4050114 (1977-09-01), Zunkel
patent: 4102005 (1978-07-01), Schnarr et al.

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