Device for winding the suspension cord of blinds

Details Device for winding the suspension cord of blinds Device for winding the suspension cord of blinds

1995-12-28

1997-07-08

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

E06B 930

Patent

active

056451180

ABSTRACT:
The device has a winding drum (5) mounted fixedly in terms of translation in a frame (1) and to insure that the cord is wound in even turns without overlapping there is of a traveling nut (6) engaging with a screw thread formed on the winding drum and an eyelet for guiding (8) the cord at its entry into the frame (1). The nut moves between an end of the cord (7a) fixed to the drum and the guiding eyelet (8). In the traveling nut is furthermore advantageously mounted a retractable stop (13) controlled by the cord (7) in order to oppose the rotation of the drum in the direction of unwinding when the cord is slack.

REFERENCES:
patent: 2250106 (1941-07-01), Lorentzen
patent: 3141497 (1964-07-01), Griesser
patent: 4955421 (1990-09-01), Torti
patent: 5103888 (1992-04-01), Nakamura
patent: 5123472 (1992-06-01), Nagashima et al.
patent: 5178200 (1993-01-01), Hagen
patent: 5184660 (1993-02-01), Jelic
patent: 5318090 (1994-06-01), Chen
patent: 5328113 (1994-07-01), Villette et al.

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