Disk case

Details Disk case Disk case

2002-07-04

2003-12-16

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

06662943

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to an improved disk case. More specifically, the invention relates to a thinner disk case for holding a compact disk (CD).
2. Description of the Prior Art
Referring to
FIG. 1
, a schematic view of a conventional disk case is shown. The conventional disk case
3
a
includes a top case
1
a
and a bottom case
2
a
. A first surface of the top case
1
a
is provided with two side plates
11
a
respectively at two opposite edge thereof. One edge of the bottom case
2
a
is pivotally connected to one side of the top case
1
a
, which is perpendicular to the side plates
11
a
, such that the top case
1
a
and the bottom case
2
a
can match each other when they are closed together. On a first surface of the bottom case
2
a
, which faces the first surface of the top case
1
a
, there is a space
22
a
for holding CD. In the central area of the bottom case
2
a
is disposed an engagement member
21
a
consisting of a plurality of protrusions spaced equally around the center point of the bottom case
2
a.
However, the conventional disk case
3
a
has disadvantages such as large thickness in use. Therefore, there is a need for a disk case with reduced thickness.
SUMMARY OF THE INVENTION
It is therefore a principal object of the invention to provide an improved disk case with reduced thickness and increased convenience.
To provide a further understanding of the invention, the following detailed description illustrates embodiments and examples of the invention, this detailed description being provided only for illustration of the invention.
A disk case has a top case having a first protrusion defining an inner through hole; and a bottom case being pivotally connected to the top case, such that a first surface of the bottom case faces a first surface of the top case when the bottom case is pushed toward the top case, the bottom case having an engagement structure located thereon and protruded from the first surface thereof to match the through hole when the bottom case comes into contact with the top case, wherein the engagement structure has a second protrusion; whereby, the top case and the bottom case are fastened together by engaging the second protrusion with the first protrusion .


REFERENCES:
patent: 2600087 (1952-06-01), Vogel
patent: 3670875 (1972-06-01), Jones
patent: 5713463 (1998-02-01), Lakoski et al.
patent: 6021894 (2000-02-01), Lakoski et al.
patent: 6170658 (2001-01-01), Dering
patent: 6216862 (2001-04-01), Chang
patent: 6227363 (2001-05-01), Lu
patent: 6298986 (2001-10-01), Chang
patent: 6409014 (2002-06-01), Hummell et al.
patent: WO 88/06559 (1988-09-01), None

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