Goods-handling door comprising a wind-resistant flexible curtain

Details Goods-handling door comprising a wind-resistant flexible curtain Goods-handling door comprising a wind-resistant flexible curtain

1996-07-15

2000-03-14

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

With slide guides

1602671, 160274, E06B 344

Patent

active

060359188

ABSTRACT:
A fast-opening and fast-closing goods-handling door for allowing vehicles to pass therethrough includes a foldable or rollable flexible curtain, the edges of which are guided in respective slideways, and which are retained therein by means of retaining carriages guided by rails received in the slideways. The carriages are not able to leave the rails. The goods-handling door is further characterized in that it includes a coupling device for coupling the curtain to the carriages, and at least one stress-distribution device for distributing the stresses exerted on the edges of the curtain by the carriages when the door is subjected to detrimental forces.

REFERENCES:
patent: 516762 (1894-03-01), Burrowes
patent: 1033224 (1912-07-01), Andlauer
patent: 2839135 (1958-06-01), Anderson
patent: 4934437 (1990-06-01), Karentler
patent: 4938273 (1990-07-01), Dubbelman et al.
patent: 5025847 (1991-06-01), Mueller
patent: 5477902 (1995-12-01), Kraeutler

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