Locking device for center fold hangar door

Details Locking device for center fold hangar door Locking device for center fold hangar door

1984-08-16

1985-10-08

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160207, E05D 1500

Patent

active

045454183

ABSTRACT:
A locking device for center fold hangar doors having an upper leaf and a lower leaf arranged when closed in vertically superimposed relation for movement relative to one another on a fixed horizontal axis to an elevated open position. A device is affixed to the abutting edges of the upper and lower leaf portions of the door having right angularly disposed telescopically positioned tubular members, one of which is pivoted to the doors on said horizontal axis and the other of which is secured at its outermost end to a bracket forming a portion of the device positioned in horizontally spaced relation to the doors. Locking means alternately secures the telescopically positioned tubular members to one another or permits their free telescopic movement. The device serves to lock the upper and lower leaf portions of the hangar door in vertically superimposed relation when the door is closed.

REFERENCES:
patent: 1841185 (1932-01-01), Johnson
patent: 2238181 (1941-04-01), Morgan
patent: 2393052 (1946-01-01), Mehard
patent: 2936830 (1960-05-01), Mosher
patent: 3024838 (1962-03-01), Egleston et al.
patent: 3155147 (1964-11-01), Smith
patent: 3493033 (1970-02-01), McGirr
patent: 3504729 (1970-04-01), Alton
patent: 4088172 (1978-05-01), Pollock
patent: 4124055 (1978-11-01), Aspenson et al.

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