Roller blind device

Details Roller blind device Roller blind device

2006-06-13

2006-06-13

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

C160S310000

Reexamination Certificate

active

07059376

ABSTRACT:
A roller blind device including a fabric, which can be wound on a rotationally drivable fabric shaft that is mounted on a frame, and including a pull rod that is placed on the free edge of the fabric. Prior art roller blind devices reduce the window surface area. The aim of the invention is to further develop a prior art roller blind device in order to obtain a simple, inexpensive and compact design that reduces the incidence of light only minimally. To this end, the invention provides that a cord reel is connected to the fabric shaft in a rotationally fixed manner while being coaxial to said fabric shaft and located in the extension thereof, and the free end of the cord that can be wound on the reel is connected to the pull rod via a cord diverter. When the fabric is pulled from the fabric shaft, the cord is wound on the cord reel and vice versa. A spring device is provided over the course of the cord in order to adapt the cord to the varying winding state of the fabric shaft and cord reel.

REFERENCES:
patent: 1121898 (1914-12-01), Davis
patent: 2958083 (1960-11-01), Shook et al.
patent: 5067184 (1991-11-01), Last
patent: 5287908 (1994-02-01), Hoffmann et al.

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