Screen device

Details Screen device Screen device

1994-03-14

1996-01-02

Purol, David M.

Flexible or portable closure, partition, or panel

Roll type

With fabric free edge connected operator

1602731, A47G 502

Patent

active

054799791

ABSTRACT:
A screen device includes a pair of parallel side frames, a take-up shaft mounted between ends of the side frames, and a screen wound around the take-up shaft and having a bar secured to its free end. The side frames have guide grooves formed in their opposing sides. The bar has both ends thereof received in the grooves in the side frames. Wires having their leading ends connected to the bar are taken up by a wire take-up drum. A constant force spring urges the wire take-up drum to rotate in such a direction that each wire is wound around the wire take-up drum, thereby applying tension to the screen.

REFERENCES:
patent: 4606157 (1986-08-01), Esposito
patent: 4884617 (1989-12-01), Coenraets
patent: 5280818 (1994-01-01), Ubelhart
patent: 5287908 (1994-02-01), Hoffmann et al.

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