Device for facilitating the folding of a raisable curtain

Details Device for facilitating the folding of a raisable curtain Device for facilitating the folding of a raisable curtain

E - Fixed Constructions

06

B

160/5, 160/9

E06B 9/56 (2006.01) A47H 5/14 (2006.01) E06B 9/262 (2006.01) E06B 9/24 (2006.01)

Patent

CA 2023132

A goods-handling door comprises a raisable curtain which folds concertina-like and which is stiffened by reinforcing bars 2 having rings 4 through which lifting straps 3 are passed, which straps are wound onto a top shaft 5. During lifting and while the curtain is folding, it is desirable for the curtain to fold regularly and in a preferred direction. Flexible and inextensible elements 11 are placed between adjacent bars in order to limit the spacing between the bars, and they are given a structure which facilitates folding in the desired direction.

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