Fastening device for a top rod of a window shade

Details Fastening device for a top rod of a window shade Fastening device for a top rod of a window shade

2000-12-15

2002-04-23

Braun, Leslie A. (Department: 3632)

Supports

Brackets

Rod type

C248S262000, C160S181000, C160S368100

Reexamination Certificate

active

06375140

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a window shade, and more particularly to a fastening device of the top rod of a window shade.
2. Description of Related Art
As shown in
FIGS. 1-3
, a prior art fastening device of a top rod of a window shade is formed of a locating seat
11
and a pressing seat
21
. The locating seat
11
has a top plate
12
which is provided with a plurality of hanging frame holes
13
and a recessed portion
14
. The locating seat
11
further has a back plate
15
extending from the top plate
12
and having two guide rails
16
, a long slot hole
17
, and a locating piece
18
which is provided with a threaded hole
19
. The pressing seat
21
is provided at the bottom thereof with a position confining piece
22
having a folded edge
23
and a support plate
24
. The support plate
24
is provided with two slide edges
25
. The support plate
24
is further provided at the center with a press piece
26
having a support hole
27
. A bolt
28
is engaged with the threaded hole
19
of the locating piece
18
via the support hole
27
of the press piece
26
. As the pressing seat
21
is joined with the locating seat
11
, the top rod of the window shade is held in the recessed portion
14
of the locating seat
11
. In the meantime, the wood strip
3
of the window shade
2
is confined by the position confining piece
22
. The fastening device is apt to deform when the window shade
2
is pulled.
As shown in
FIGS. 4-6
, another prior art fastening device of a top rod of a window shade, is formed of a locating seat
31
and a pressing seat
41
. The locating seat
31
has a top plate
32
which is provided with a plurality of hanging frame holes
33
, two folded edges
34
, and a protruded plate
35
. The locating seat
31
further has a back plate
36
which is provided with a folding frame plate
38
having an inner slide slot
37
, a long slot hole
39
, and a threaded tube
40
. The pressing seat
41
has a position confining piece
42
having a slide frame plate
43
, and a support hole
44
. A bolt
45
is engaged with the threaded tube
40
via the support hole
44
. The top rod of the window shade
1
is supported by the protruded plate
35
of the locating seat
31
. In the meantime, the wood strip
3
of the window shade
2
is confined by the position confining piece
42
of the pressing seat
41
. The position confining piece
42
and the folding frame
38
are susceptible to deformation.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a fastening device of a top rod of a window shade, which is formed of a locating seat and a pressing seat. The locating seat is joined with the pressing seat to accommodate the top rods of window shades of various types.
The features and the functions of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of the present invention with reference to the accompanying drawings.


REFERENCES:
patent: 5667178 (1997-09-01), Yang
patent: 6322029 (2001-11-01), Sonnenberg et al.

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