Wall mountable safety hatch

Details Wall mountable safety hatch Wall mountable safety hatch

1983-06-29

1984-09-04

Murtagh, John E.

Movable or removable closures

With specified means to effect emergency release to closure

49 61, 521278, 52204, E05B 6510, E06B 104

Patent

active

044688865

ABSTRACT:
A wall mountable safety hatch comprising a pair of telescopically engagable door frames that insert through a conventional studded wall forming an emergency exit. A pair of flush mounted doors insert into the wall mounted frame and are held in proper alignment by a seat belt type fastener. Upon releasing the conventional seat belt clasp, the door falls from the frame exposing the emergency escape hatchway.

REFERENCES:
patent: 484515 (1892-10-01), Cochran
patent: 2793721 (1957-05-01), Sterud
patent: 2830843 (1958-04-01), Seaburg et al.
patent: 3032834 (1962-05-01), Carlson
patent: 3120032 (1964-02-01), Burnette
patent: 3220079 (1965-11-01), Aggson
patent: 3576092 (1971-04-01), Halpern
patent: 3836187 (1974-09-01), Buettner
patent: 3968607 (1976-07-01), Baran
patent: 3992052 (1976-11-01), Green
patent: 4106236 (1978-08-01), Oliphant
patent: 4370828 (1983-02-01), Miro

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