Pleated screen device based on wire tension system

Details Pleated screen device based on wire tension system Pleated screen device based on wire tension system

1992-12-09

1994-10-04

Purol, David M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160 841E, E06B 394

Patent

active

053517377

ABSTRACT:
A sliding bar slidable in opening-closing directions of a pleated screen device has therein a plurality of direction changing members each defining an arcuate guide surface. At least one end of wire of a tension system of the device is fixed. The wire may be formed of two cords, for example. These two cords are stretched between a pair of frame members, turned by the guide surface of a plurality of the direction changing members in the sliding bar, cross over each other in the sliding bar, and extend into each of the frame members. A pleated screen is foldable and spreadable between the sliding bar and a frame member opposed to the sliding bar. The pleated screen is supported in the opening-closing directions by the cords.

REFERENCES:
patent: 4326577 (1982-04-01), Tse
patent: 4473101 (1984-09-01), Langeler
patent: 4574864 (1986-03-01), Tse
patent: 4733711 (1988-03-01), Schon
patent: 4762159 (1988-08-01), Ford
patent: 4852627 (1989-08-01), Peterson et al.
patent: 4862941 (1989-09-01), Colson

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