Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Plural strip – slat – or panel assemblies
Patent
1992-02-14
1993-12-07
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Plural strip, slat, or panel assemblies
160201, 160188, E06B 348
Patent
active
052675971
ABSTRACT:
An apparatus is arranged to include a first and second door section, each slidably mounted relative to an upper and lower guide track and channel, wherein the door sections each include door panels that are formed with an upper roller received within the upper guide track and a lower roller received within the lower channel. A worm drive mounted to an initial first panel in threaded inter-relationship effects sliding relationship of the first and second door sections relative to the upper and lower guide tracks and to a door opening.
REFERENCES:
patent: 2042002 (1936-05-01), Hovey
patent: 2307079 (1943-01-01), Sinkovitz
patent: 2610681 (1952-09-01), Schaap
patent: 2637550 (1953-05-01), Ritter
patent: 2689003 (1954-09-01), Helbert et al.
patent: 4027715 (1977-06-01), Tohma
patent: 4279454 (1981-07-01), Koiso et al.
patent: 4800945 (1989-01-01), Arteaga
patent: 4834161 (1989-05-01), Johnson et al.
Gilden Leon
Johnson Blair M.
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