Flexible or portable closure – partition – or panel – Pleating type – Multiple section unit
Reexamination Certificate
2001-06-20
2003-03-11
Purol, David M. (Department: 3634)
Flexible or portable closure, partition, or panel
Pleating type
Multiple section unit
Reexamination Certificate
active
06530413
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a foldable blind assembly which is equipped with a shelter slat which can be changeably attached to a fixed beam of the blind so as to cover the commonly exposed fixed beam to make the blind assembly appealing to the eyes. In addition, a moving beam movably mounted under the fixed beam permits the blind to selectively cover the upper, middle or lower portion of a window or a door, making the blind assembly usable in a variable manner.
Referring to
FIG. 1
, a conventional blind is equipped with an upper beam
11
, a cloth curtain
12
, a plurality of ring elements
13
, a retaining device
14
, and a pull cord set
15
. The upper beam
11
is secured to the top of a door or window and the cloth curtain
12
foldable into layers or a pile in a consecutive order is attached to the underside of the upper beam
11
. A ring element
13
is fixed to each end of a slat layer of the cloth curtain
12
. The pull cord set
15
is guided into the retaining device
14
and is wound around the upper portion and is led downwardly via a hole at each end of the upper beam
11
and further through the ring elements
13
. The bottom end of the cord set
15
is tied into a knot at the lowermost ring elements
13
respectively.
In use, as shown in
FIG. 1
, as the pull cord set
15
is pulled downwardly, the ring elements
13
of the bottommost slat layer
12
are forced to move upwardly along with the slat layers
12
piled up layer by layer consecutively. As long as the pulling action is stopped, the cloth curtain
12
will be retained at a proper height by the retaining device
14
to provide a shade area between the upper beam
11
and the collected cloth curtain
12
.
As to the structure of the prior art blind assembly, there are a number of disadvantages:
1. The upper beam
11
is exposed externally and is not matching in color and style with the cloth curtain
12
.
2. The cloth curtain
12
is only limited to cover a door and a window between the upper beam
11
and the cloth curtain
12
. The lower portion and the upper portion thereof can not be separately covered.
SUMMARY OF THE INVENTION
Therefore, the primary object of the present invention is to provide a foldable blind assembly secured to a door or window. A shelter slat having a buckling belt secured to the upper edge thereof is changeably attached to a fixed beam which has a corresponding buckling belt disposed on the inner side of the fixed beam so as to permit the shelter slat to be removably mounted and dismantled with ease for a change. Thereby the fixed beam can be hidden behind the shelter slat and make the shelter slat to be appealing to eyes and artistically match with the movable blind assembly.
Another object of the present invention is to provide a foldable blind assembly which is provided with a moving beam and a movable blind assembly that can be easily positioned at any position, such as at the upper, lower or middle of a window or door as desired.
One further object of the present invention is to provide a foldable blind assembly wherein the shelter slat can be easily and quickly mounted to and dismantled from the fixed beam for cleaning or replacement for a change to make the blind assembly appealing to eyes.
REFERENCES:
patent: 3093186 (1963-06-01), Castanedo
patent: 3192991 (1965-07-01), Anderle
patent: 3528477 (1970-09-01), Abraham
patent: 3552473 (1971-01-01), Persson
patent: 3593772 (1971-07-01), Abraham
patent: 3996987 (1976-12-01), Rodriguez
patent: 4813468 (1989-03-01), Fraser
patent: 4953610 (1990-09-01), Philips et al.
patent: 4955419 (1990-09-01), Morris
patent: 5598880 (1997-02-01), Cross
Purol David M.
Troxell Law Office PLLC
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