Frictional retainer for holding a door open

Details Frictional retainer for holding a door open Frictional retainer for holding a door open

1979-12-31

1981-10-06

Shedd, Wayne L.

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

Thermally released check or closer

16 82, E05F 1520

Patent

active

042927072

ABSTRACT:
A door in combination with a retainer which uses a frictionally restricted rotating disc to hold the door open. Closing of the door causes the disc to rotate and release the door.

REFERENCES:
patent: 2010937 (1935-08-01), Voight
patent: 3729770 (1973-05-01), Lasier

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