Door hold-open mechanism

Details Door hold-open mechanism Door hold-open mechanism

1976-05-27

1977-12-27

Downey, Kenneth

Movable or removable closures

With means mounting closure for swinging

With latch or lock

292DIG17, F05B 6506, E05C 1700

Patent

active

040646521

ABSTRACT:
A door hold-open mechanism operatively connected to an upper door hinge member and including a combination latch wheel and detent plate, a detent plunger operable with the detent plate and a latch segment operable with the latch wheel, the arrangement adapted to provide a conventional two-position opening operation upon partial actuation of a door handle, or a predetermined number more than two hold-open positions upon full actuation of the door handle.

REFERENCES:
patent: 390418 (1888-10-01), Tilton
patent: 1026813 (1912-05-01), Landine
patent: 1846842 (1932-02-01), Butler
patent: 3336066 (1967-08-01), Knapp

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