Latching apparatus for double doors

Details Latching apparatus for double doors Latching apparatus for double doors

1993-01-11

1995-01-17

Lindsey, Rodney M.

Closure fasteners

Bolts

Multiple

2923363, 292DIG46, 292DIG62, E05C 316

Patent

active

053820606

ABSTRACT:
Latching apparatus for first and second adjacent swinging doors prevents locking of the first door unless the second door is latched and prevents unlatching of the second door unless the first door is open.

REFERENCES:
patent: 2202916 (1940-06-01), Mussa
patent: 3582120 (1971-07-01), Doerr
patent: 3953061 (1976-04-01), Hansen et al.
patent: 4099953 (1978-07-01), Gwozdz
patent: 4470277 (1984-09-01), Uyeda
patent: 4518178 (1985-05-01), Bengtsson
patent: 4548432 (1985-10-01), Bengtsson
patent: 5197771 (1993-03-01), Kaup et al.
Two sheets of drawings by AB Fixfabriken, Goteberg, Sweden, one sheet being dated Jun. 6, 1990 and the other being dated Jun. 10, 1990.

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