Fire door system

Details Fire door system Fire door system

1994-10-21

1997-02-25

Wood, Wynn E.

Flexible or portable closure, partition, or panel

Automatic control

160133, 160120, 52 1, 49 95, 49118, E05F 1520

Patent

active

056051859

ABSTRACT:
A fire door system comprising first and second fire door assemblies each assembly including a fire door, a temperature sensing device and an operator. The operators of each of the assemblies are electrically interconnected such that when the fire doors simultaneously close when either (a) the temperature sensing device senses that the ambient temperature exceeds a predetermined value or (b) the circuit between the operators of the assemblies is deactivated.

REFERENCES:
patent: 957923 (1910-05-01), Wilson
patent: 1062997 (1913-05-01), Stanish
patent: 1151388 (1915-08-01), Pond
patent: 1255817 (1918-02-01), Gibson et al.
patent: 1369518 (1921-02-01), Bumbarger
patent: 1478601 (1923-12-01), Davis
patent: 1708377 (1929-04-01), Cornell
patent: 1740877 (1929-12-01), Sharp
patent: 1871095 (1932-08-01), Tomkinson
patent: 1891051 (1932-12-01), Neese
patent: 2252172 (1941-08-01), Galeazi
patent: 3350819 (1967-11-01), Polidoro et al.
patent: 3461607 (1969-08-01), Sandow et al.
patent: 3687185 (1972-08-01), Singer
patent: 3877525 (1975-04-01), Husson et al.
patent: 4020889 (1977-05-01), Karoll
patent: 4501963 (1985-02-01), Perisic
patent: 4664170 (1987-05-01), Labelle
patent: 5203392 (1993-04-01), Shea
patent: 5207259 (1993-05-01), Sheperd et al.
patent: 5228492 (1993-07-01), Jou
patent: 5245879 (1993-09-01), McKeon
patent: 5386891 (1995-02-01), Shea
patent: 5482103 (1996-01-01), Burgess et al.

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