Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1989-12-06
1991-02-12
Machado, Reinaldo P.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160209, 296106, B62D 2506
Patent
active
049916394
ABSTRACT:
This invention provides two forms of improved guards for a roll-up door. The first form ( 58 or 59) is intended to prevent shifting cargo from intefering with becoming interlocked with the lowered door. This form has a vertically-elongated guard which is adapted to overlie the vertically-spaced hinges, and has opposite marginal end portions closely spaced to the knuckle portions of such hinges. This first form reduces the stepped configuration of prior art hinges, and therefore reduces the opportunity for shifting cargo to become interlocked with the door. The second form (111) is mounted on the door and track, and is designed to prevent shifting cargo from entering the space through which the door must pass as it its raised or lowered.
REFERENCES:
patent: 3104699 (1963-09-01), Wolf
patent: 3416589 (1968-12-01), Lambein
patent: 3518792 (1968-05-01), Williamson
patent: 3608613 (1971-09-01), Halliwell
patent: 3841661 (1974-10-01), Ehrlich
patent: 3848920 (1974-11-01), Linhart
patent: 3866686 (1975-06-01), Urbanick
patent: 4403452 (1983-09-01), Urbanick
Clay, Jr. Roy T.
Whiting Donald J.
Machado Reinaldo P.
Whiting Roll-Up Door Mfg. Corp.
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