Latching mechanism for a generator fire door

Details Latching mechanism for a generator fire door Latching mechanism for a generator fire door

1996-11-04

1998-09-22

Meyers, Steven N.

Closure fasteners

Braces

292DIG4, E05C 1744

Patent

active

058104054

ABSTRACT:
A latching mechanism for a swinging door pivotally mounted on for movement about a first axis between fully open and closed positions includes a support column pivotally mounted for rotation about a second axis parallel to the first axis. One end of the support column is provided with a support block for supporting the door in the open position, and the other end of the support column is provided with a latching bar for securing the support column in a first position where the support block underlies an edge of the door in the open position. A cam surface is provided on the support column, engagable by the door as the door moves from the closed to the open position to rotate the support column and the support block to a position which permits the door to move to a fully open position without interference from the support column or the support block.

REFERENCES:
patent: 1398768 (1921-11-01), Burtis
patent: 1615035 (1927-01-01), Rasmussen
patent: 2056270 (1936-10-01), Harbert
patent: 2231885 (1941-02-01), Christy
patent: 2866659 (1958-12-01), Heiarichs
patent: 3337253 (1967-08-01), Laukzemis
patent: 3917331 (1975-11-01), Duran
patent: 5355927 (1994-10-01), McKeon
patent: 5551740 (1996-09-01), Lin
Drawings No. 109E1212 "Base Assembly" (Interior Door Latch), 1993.
Sketches/photos of field unit (exterior latch, cable operated) in Saudi Arabia (1995-1996) (three sheets of sketches).

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