Roller blind structure

Details Roller blind structure Roller blind structure

2007-02-13

2007-02-13

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Roll type

C160S085000

Reexamination Certificate

active

10968062

ABSTRACT:
A roller blind structure includes a roller shaft, a winding device with a linkage member attached at both ends of the roller shaft respectively to be actuated by an operating member for controlling the rolling or unrolling operation of a blind body. A pivoting rod is disposed at the outer side of the winding device and the linkage member thereof to be mounted to a support bracket fixed at both lateral sides of a window frame respectively. The support bracket thereof is provided with a series of retaining recesses concaved at preset positions thereon for holding in place a pair of clamping members astride side by side thereon, and the blind body has an extension piece of a proper length preset at the lower section thereof that, led backwards and upwards to pass between the two clamping members, is further extended to cover the upper side of the roller shaft with a sheltering cap formed thereon and securely located by the clamping members thereof. A counterweight article is placed at the curving turn of the blind body thereof to neatly separate the extension piece thereof from a decoration piece disposed at the front section of the blind body thereon wherein both the extension piece and the decoration piece thereof are respectively equipped with a plurality of light-passable areas alternatively arranged with a plurality of black-out areas so that the blind body can be flexibly adjusted to have it both ways with partial light and partial black-out effect, or to display in a complete black-out status to achieve best using condition and the interest of versatile changes thereof.

REFERENCES:
patent: 2029675 (1936-02-01), Schlamp
patent: 2142822 (1939-01-01), Moore
patent: 2280358 (1942-04-01), Tietig
patent: 2281022 (1942-04-01), Cavanaugh
patent: 3789904 (1974-02-01), Takazawa
patent: 3980122 (1976-09-01), Takazawa
patent: 4418739 (1983-12-01), Woolnough et al.
patent: 6189592 (2001-02-01), Domel

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