Operating device for a venetian blind to control raising and low

Details Operating device for a venetian blind to control raising and low Operating device for a venetian blind to control raising and low

1997-11-10

1998-12-22

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601761R, 1601782R, E06B 930

Patent

active

058508635

ABSTRACT:
An operating device for a Venetian blind includes a hollow base which is adapted to be disposed in a top housing of the Venetian blind, a locking seat disposed in the hollow base, and a biasing member. The hollow base includes a pair of side plates which form a receiving space therebetween, and a limiting rod which extends transversely between the side plates and which is disposed at a peripheral portion of the receiving space. The hollow base is adapted to permit extension of pull ropes of the Venetian blind into the receiving space. The locking seat is mounted pivotally to the side plates and is disposed in the receiving space on one side of the limiting rod such that the pull ropes are extendible between the locking seat and the limiting rod. The biasing member is mounted on the hollow base and biases the locking seat to pivot toward the limiting rod so that the locking seat is adapted to clamp releasably the pull ropes against the limiting rod.

REFERENCES:
patent: 3633646 (1972-01-01), Zilver
patent: 5465775 (1995-11-01), Biba et al.
patent: 5472036 (1995-12-01), Judkins
patent: 5501262 (1996-03-01), Inaba et al.
patent: 5553649 (1996-09-01), Chisaka et al.
patent: 5623982 (1997-04-01), Okazaki
patent: 5709258 (1998-01-01), Coccoluto

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