Flexible or portable closure – partition – or panel – With hood – canopy – shield storage chamber – or outrigged... – For plural strip – slat – or panel and/or pleating type
Patent
1991-01-25
1991-11-19
Purol, David M.
Flexible or portable closure, partition, or panel
With hood, canopy, shield storage chamber, or outrigged...
For plural strip, slat, or panel and/or pleating type
E06B 926
Patent
active
050658069
ABSTRACT:
A panel shutter assembly includes a plurality of shutter panels supported one after another between a pair of chains. Each panel is suspended from a pair of pins carried by the two chains, respectively, and each chain, therefore, carries a plurality of pins. Each chain includes a plurality of spaced apart link attachments each having a longitudinally extending pin guide slot through which one of the pins extends slidably along the slot. The chains engage a pair of sprockets, respectively. A pair of arms are supported respectively on the shafts on which the sprockets are rotatably supported. The arms are rotatable with the sprockets and extend radially of the sprockets to project beyond the outer peripheries thereof to engage each pair of pins that have approached the sprockets.
REFERENCES:
patent: 2897886 (1959-08-01), Pistelli
patent: 4139042 (1979-02-01), Watanabe et al.
patent: 4595043 (1986-06-01), Nozawa et al.
patent: 4610289 (1986-09-01), Sugihara
patent: 4662420 (1987-05-01), Hirao
patent: 4807685 (1989-02-01), Losch
patent: 4838331 (1989-06-01), Kasai
Bunka Shutter Co., Ltd.
Purol David M.
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