Roll up door

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means

Patent

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Details

1602311, 160230, E05D 1506

Patent

active

057381615

ABSTRACT:
A roll up door which may be used in the back of a van body has a plurality of panels arranged edge-to-edge with a thin flexible sheet glued to the outside face of the panels and a flexible belt attached to each pair of adjacent panels at the rear face of these panels. A roller extends from each end of each panel and is received by a generally inverted L-shaped guide track. With this arrangement, the panels may cant while moving from the vertical to the horizontal leg of the guide channels by virtue of the belts which hinge and collapse allowing the outer sheet to bend as well.

REFERENCES:
patent: 1916651 (1933-07-01), Beeman et al.
patent: 2789636 (1957-04-01), Lawick
patent: 2909718 (1959-10-01), Lawick
patent: 3017218 (1962-01-01), Groth et al.
patent: 3129752 (1964-04-01), Whiting
patent: 3336968 (1967-08-01), Curtis
patent: 3870391 (1975-03-01), Nims
patent: 4811777 (1989-03-01), Chretien
patent: 4860813 (1989-08-01), Ballyns et al.
patent: 4893666 (1990-01-01), Hormann
patent: 5056847 (1991-10-01), Stillwell et al.

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