Roller blind mounting and rolling system

Details Roller blind mounting and rolling system Roller blind mounting and rolling system

A - Human Necessities

61

B

160/18

A61B 17/11 (2006.01)

Patent

CA 1301052

ABSTRACT OF THE DISCLOSURE The present invention provides a roller blind construction comprising a flexible blind which is windable for lowering and raising the blind. The blind has a downward weighting which increases as it is lowered and the construction further includes a counterbalancing coil spring which products an upward pull increasing in direct relation to and neutralizing the downward weighting without lifting the blind.

573779

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