DVD retaining structure for DVD case

Details DVD retaining structure for DVD case DVD retaining structure for DVD case

2001-07-03

2002-05-28

Bui, Luan K. (Department: 3728)

Special receptacle or package

For holding a machine readable recording medium

For holding an optical disc

C206S310000

Reexamination Certificate

active

06394266

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a DVD (digital video disk) case and, more specifically, to a DVD retaining structure adapted to hold a DVD in a DVD case, which does not scratch the bottom surface of the DVD during loading/unloading of the DVD.
A DVD (digital video disk) is a digital video data storage medium. When not in use, the DVD must be well protected against dust because dust tends to damage digital signal on the surface of the DVD. DVD users may use disk cases to keep DVDs. Regular DVD cases commonly use a DVD holder plate with a keeper to hold an individual DVD. There are known DVD holder plates having spring strips disposed around the keeper and adapted to eject the storage DVD out of the keeper upon deformation of the keeper by the pressing of the user's finger.
FIG. 1
shows a DVD retaining structure constructed according to the prior art. The DVD retaining structure
1
a
is installed in the center of the DVD holder plate
30
a
of a DVD case
3
a
, comprising a keeper
10
a
and a plurality of spring strips
11
a
. The keeper
10
a
has a connecting portion
100
a
connected to the shell
30
a
, a top retaining flange
101
a
outwardly extended around the periphery of the top thereof, and top grooves
102
a
, which enable the keeper
10
a
to be deformed to lock/unlock the loaded DVD when pressed with the finger. Referring to FIGS. From
2
through
4
, when fastening a DVD
2
a
to the DVD retaining structure
1
a
, the DVD
2
a
is closely attached to the surface
110
a
of the spring strips
11
a
, the keeper
10
a
is forced to deform and to let the top retaining flange
110
a
of the keeper
10
a
pass through the center hole of the DVD
2
a
. When release the hand from the DVD
2
a
, the spring strips
11
a
push the DVD
2
a
upwards against the top retaining flange
110
a
, and therefore the DVD
2
a
is secured in position between the top retaining flange
110
a
and the spring strips
11
a
. When pressing the top of the keeper
10
a
with the finger, the keeper
10
a
is deformed to disengage the top retaining flange
101
a
from the DVD
2
a
, and the spring power of the spring strips
11
a
immediately forces the DVD
2
a
away from the keeper
10
a
. This design of DVD retaining structure
1
a
is functional, however because the DVD
2
a
is disclosed in close contact with the surface
110
a
of the spring strips
11
a
, the spring strips Ha may scrape the DVD
2
a
upon loading/unloading of the DVD
2
a
, causing damage to the surface of the DVD
2
a.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a DVD retaining structure for DVD case, which eliminates the aforesaid problem. It is therefore the main object of the present invention to provide a DVD retaining structure for DVD case, which does not scratch the bottom surface of the DVD during loading/unloading of the DVD. According to the present invention, the DVD retaining structure comprises a keeper adapted to hold an individual DVD, and spring strips disposed around the keeper and adapted to eject the storage DVD out of the keeper when the keeper is pressed to deform by the user. The spring strips each have a free end terminating in a smoothly curved contact portion. The keeper has a plurality of recessed portions spaced around the periphery thereof and adapted to receive the contact portion of each of the spring strips, prohibiting the spring strips from rubbing against the DVD during its loading or unloading procedure.


REFERENCES:
patent: 5526926 (1996-06-01), Deja
patent: 5788068 (1998-08-01), Fraser et al.
patent: 5944181 (1999-08-01), Lau
patent: 6196384 (2001-03-01), Belden, Jr.
patent: 6227362 (2001-05-01), Cheung
patent: 6250461 (2001-06-01), Hu

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