Protective cover device

Details Protective cover device Protective cover device

1990-02-02

1992-01-28

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural run type

Endless

384 15, A47H 100

Patent

active

050835998

ABSTRACT:
Cover device for providing a displaceable cover above an opening, a flexible polymer belt which is substantially more rigid in respect of deflection in a transverse direction than in respect of a longitudinal direction, and a displaceable device disposed in the opening and delimited at both sides by the belt. The portion of the belt on both sides of the device is supported only on rollers disposed only adjacent side walls of the opening, whereby the belt is supported only along opposite longitudinal side edges thereof.

REFERENCES:
patent: 1895122 (1933-01-01), Benedict
patent: 2033141 (1936-03-01), Kraut et al.
patent: 2303438 (1942-12-01), Cornelius
patent: 2417671 (1947-03-01), Armitage
patent: 2850332 (1958-09-01), Begle
patent: 3475064 (1969-10-01), O'Rourke
patent: 4867578 (1989-09-01), Komiya

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