Venetian blind lifting mechanism provided with concealed pull co

Details Venetian blind lifting mechanism provided with concealed pull co Venetian blind lifting mechanism provided with concealed pull co

1999-01-28

2000-02-15

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601681R, E06B 930

Patent

active

060241543

ABSTRACT:
A Venetian blind lifting mechanism is composed of a slat set, a winding member, a slat winding cord, and a locating member. The slat set has a plurality of slats. The winding member has at least one cord pulling member and at least one spring releasing unit which is linked with the cord pulling member. The cord pulling member has one end which is extended through the slat set, and other end which is fastened with the cord pulling member. The locating member has a retaining member capable of bringing about a retaining force to overcome the rewinding force of the winding member so as to stabilize the cord pulling member.

REFERENCES:
patent: 794937 (1905-07-01), Hopkins
patent: 800279 (1905-09-01), Emery
patent: 5105867 (1992-04-01), Coslett
patent: 5170830 (1992-12-01), Coslett
patent: 5482100 (1996-01-01), Kuhar
patent: 5531257 (1996-07-01), Kuhar

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