Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1994-09-13
1996-12-03
Johnson, Blair
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
16122, 24578, 24602, E06B 938
Patent
active
055798195
ABSTRACT:
A pulling knob for coupling the pulling cords of venetian blind together includes a ring shaped body secured to one of the cords and having two annular flanges oppositely extended from the side portions. A number of caps each includes an annular shoulder for engaging with the annular flange so as to be attached to the ring shaped body. The caps each includes a notch for engaging with the other cords so as to couple the cords together. The caps can be easily disengaged from the body in order to release the cords.
REFERENCES:
patent: 2164206 (1939-06-01), Gits et al.
patent: 2955379 (1960-10-01), Hull
Chang Suy-Po
Hung Wen-Chung
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