Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Reexamination Certificate
2006-02-21
2006-02-21
Johnson, Blair M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
C160S178200, C160S084060
Reexamination Certificate
active
07000672
ABSTRACT:
A Venetian blind operated with a non-pull cord structure includes a blind embodiment, a lower beam having a pivot hole disposed at the bottom side of each end thereon, and a control unit and a sealing cap to be sequentially adapted to each end of the lower beam thereof wherein the control unit has a housing cavity indented at one side thereof to which the sealing cap is joined at one side in sealing engagement therewith. At one inner side of the housing cavity thereof is disposed a sloped and serrated guiding face correspondingly matched to a retaining gear element which is abutted against a retaining shaft adapted to a coupling rod and a fixing rod of the housing cavity and the sealing cap thereof respectively to clamp tight a left/right retaining cord of the blind embodiment there-between before the left/right retaining cord is led through the pivot hole of the lower beam and fixed to a windowsill at the bottom end thereof. In operation, the lower beam is tilted upwards at one side to detach the left/right retaining cord from the clamping location thereof so that the blind embodiment can be adjusted upwards or downwards before the lower beam is horizontally set right to clamp tight the left/right retaining cord via the control unit thereof and relocate the blind embodiment at an adjusted position thereby, precisely gathering up or unfolding the blind embodiment in an easy and fast manner without any pull cords applied thereon so as to protect the safety of children in the household.
REFERENCES:
patent: 911982 (1909-02-01), Hopkins
patent: 1797162 (1931-03-01), Stuber
patent: 6918425 (2005-07-01), Nien
patent: 6932140 (2005-08-01), Ni
patent: 2005/0082019 (2005-04-01), Nien
Johnson Blair M.
Troxell Law Office PLLC
LandOfFree
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