Roller door assemblies

Details Roller door assemblies Roller door assemblies

1989-12-22

1991-10-22

Purol, David M.

Flexible or portable closure, partition, or panel

Roll type

With guides or fabric edge holders

E06B 917

Patent

active

050586513

ABSTRACT:
A roller door assembly comprises a roller door having on its vertical edges spaced restraining members, and guides at each edge of the door including opposing members forming a gap therebetween. The restraining members are on one side of the gap with the door on the other side thereof, whereby upto a desired pressure or force on the door the restraining members cannot pass through said gaps but at said desired pressure or force the restraining members are compressed and/or the gap expends for the restraining members to pass through said gaps to release the door.

REFERENCES:
patent: 2845117 (1958-07-01), Barry
patent: 3149665 (1964-09-01), Handford
patent: 4478268 (1984-10-01), Palmer
patent: 4601320 (1986-07-01), Taylor
patent: 4690195 (1987-09-01), Taylor
patent: 4934437 (1990-06-01), Kraeutler

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