Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Plural strip – slat – or panel assemblies
Reexamination Certificate
2007-01-09
2007-01-09
Purol, David (Department: 3634)
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Plural strip, slat, or panel assemblies
C160S170000, C160S17300V
Reexamination Certificate
active
10958354
ABSTRACT:
A slat control mechanism for Venetian blinds includes a control assembly, guide sliding assemblies, a linkage drawing plate, and abutting members wherein first rope ladders are suspended between upper and lower beams of a Venetian blind for the abutting position of a plurality of slats in an equal space thereto and are located to adjusting seats with adjusting rods attached thereto so as to tilt the slats into different angles thereby. A lift cord is sequentially led through each slat thereof and wound through a pulley seat adapted at one end of the upper beam to extend downwards there-from so as to lift or expand the slats thereby. The guide sliding assembly made up of a positioning seat and a guide sliding member is adapted at both corresponding sides of the two adjusting seats thereof respectively for retaining a second rope ladder thereby, and the control assembly made up of a fixing mount, a control member, and a retaining member is mounted at the other side of one adjusting seat thereof for locating an operational cord thereby in opposite to the lift cord of the pulley seat thereof. The second rope ladder, bestriding the bottommost slat in a U-shaped form, has a plurality of positioning steps to hold in place alternatively every even/odd slats thereby. Therefore, the operational cord is simply pulled to actuate the linkage drawing plate and synchronically move the control member and the guide sliding members connected therewith so as to draw upwards the second rope ladders in a linkage mechanism, facilitating an easier and effortless operation of the present invention to achieve the best using condition thereof.
REFERENCES:
patent: 4088171 (1978-05-01), Schluep et al.
patent: 4522244 (1985-06-01), Brolin
patent: 5628356 (1997-05-01), Marocco
patent: 6330899 (2001-12-01), Ciuca et al.
patent: 6516856 (2003-02-01), Lai
patent: 6648048 (2003-11-01), Lai
Purol David
Troxell Law Office PLLC
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