Compact disk storage case

Details Compact disk storage case Compact disk storage case

2000-04-07

2001-04-17

Sewell, Paul T. (Department: 3728)

Special receptacle or package

For holding a machine readable recording medium

For holding an optical disc

C206S310000, C206S493000

Reexamination Certificate

active

06216862

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a compact disk storage case, especially to a compact disk storage case, which has simple structure and stronger locking force to prevent slip of compact disk therein.
BACKGROUND OF THE INVENTION
FIG. 1
shows a perspective view of a conventional compact disk storage case formed integrally by mold injection. The compact disk storage case mainly comprises a base
10
, a cover
30
connected to the base
10
through a connection band
20
. The base
10
has a projecting outer flange
11
there around, an opening
12
at front center of the projecting outer flange
11
, two locking strips
13
on two front lateral sides of the base
10
, two positioning posts
14
on inner side of the locking strips
13
. The base
10
has a plurality of clamping bumps
15
arranged along a circle at center of the base
10
. The cover has projecting inner flange
31
there around, an opening
32
at front center of the projecting inner flange
31
, two locking grooves
33
on two front lateral sides of the cover
30
. The cover
30
has a plurality of clamping bumps
34
arranged along a circle at center thereof.
FIG. 2
is a sectional view of the conventional compact disk storage case in a locked state. The projecting outer flange
11
is staggered and engaged with the projecting inner flange
31
. The locking strips
13
are locked into the locking grooves
33
and retained by the two positioning posts
14
. The central opening of compact disk is clamped on the clamping bumps
15
and
34
.
However, in above described conventional compact disk storage case, the clamping bumps
15
and
34
are designed to locate on the base
10
and the cover
30
, respectively, the structure is complicated.
FIG. 3
shows a perspective view of another conventional compact disk storage case formed integrally by mold injection. The compact disk storage case mainly comprises a base
40
, a cover
60
connected to the base
40
through a connection band
50
. The base
40
has a dust-proof flange
41
around its perimeter and three clamping strips
42
arranged in circularly symmetric fashion at center of the base
40
. Four locking bumps
43
are arranged at inner side of the three clamping strips
42
in also circularly symmetric fashion at center of the base
40
. An embedding space
44
is formed between the three clamping strips
42
and the four locking bumps
43
. Each locking bump
43
has a locking dot
431
at top outer side. The locking bumps
43
have a cross-shaped space therein and the locking bumps
43
have flexibility to move or shrink. The cover
60
has a dust-proof flange
61
around its perimeter and a hollow locking ring
62
at center thereof The locking ring
62
has a loop of locking rib
621
projecting therefrom.
FIG. 4
is a sectional view of the conventional compact disk storage case in a locked state. The dust-proof flange
61
of the cover
60
is aligned with the dust-proof flange
41
of the base
40
. The locking bumps
43
are fit into the locking ring
62
and the locking dots
431
are staggered and locked with the locking rib
621
to achieve the locking of the compact disk storage case.
However, in above described conventional compact disk storage case, the locking dots
431
are staggered and locked with the locking rib
621
to achieve the locking of the compact disk storage case. The locking bumps
43
and the locking dots
431
thereof have limited size to fit into the locking ring
62
.
Therefore, the locking force is not sufficient.
It is an object of the present invention to provide a compact disk storage case with enhanced locking force such that the cover thereof will not be opened even though the compact disk storage case is fallen on ground.
It is another object of the present invention to provide a compact disk storage case with simple structure and easy use.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing, in which:


REFERENCES:
patent: 5806672 (1998-09-01), Bosworth
patent: 5894924 (1999-04-01), Roch
patent: 6021894 (2000-02-01), Lakoski et al.
patent: 6047821 (2000-04-01), Hashimoto et al.

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