Overhead door with releasable breakaway panel

Details Overhead door with releasable breakaway panel Overhead door with releasable breakaway panel

1996-06-27

1998-03-17

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160205, E05D 1516

Patent

active

057276145

ABSTRACT:
A vertically-movable overhead door comprising at least one non-releasable rectangular panel and at least one releasable or breakaway panel pivotable or rollable with respect to said non-releasable panel. The releasable panel may include a pair of rectangular sub-panels having rigid frame portions or may be formed as one rigid frame. Retainer members are connected to one of the rectangular sub-panels to retain the releasable panel with respect to channels positioned adjacent the overhead door. When a sufficient impact force is applied to the releasable panel, the retainer member releases the releasable panel to enable free swinging movement of the panel with respect to the channels.

REFERENCES:
patent: 2286082 (1942-06-01), Goodman
patent: 2629435 (1953-02-01), Dadswell
patent: 4378043 (1983-03-01), Sorenson
patent: 4653566 (1987-03-01), Miale
patent: 4686293 (1987-08-01), Hanssen
patent: 5535805 (1996-07-01), Kellog et al.
patent: 5584333 (1996-12-01), Torchetti et al.
ATMODOOR Environmental Control Doors, Superseal Series 6500 Breakaway Panel (Brochure).
TKO -The Knock Out Dock Door -HPD International, Inc. (Brochure).

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