Buckles – buttons – clasps – etc. – Clasp – clip – support-clamp – or required component thereof – With specific mounting means for attaching to rigid or...
Reexamination Certificate
1999-11-18
2001-08-14
Sakran, Victor N. (Department: 2835)
Buckles, buttons, clasps, etc.
Clasp, clip, support-clamp, or required component thereof
With specific mounting means for attaching to rigid or...
C024S459000, C024S487000, C361S704000
Reexamination Certificate
active
06272722
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to a cooling piece of the central processing unit of a computer, and more particularly to a retaining device of the central processing unit (CPU) cooling piece.
BACKGROUND OF THE INVENTION
As shown in
FIG. 1
, a prior art retaining device
80
of the CPU cooling device comprises a long plate
81
which is provided at both ends thereof with a leg
82
. The two legs
82
are provided at the end thereof with a curved retainer
83
of an S-shaped construction and facing each other, and in the outer side of the body thereof with a side hook
84
extending downwards and outwards. As shown in
FIG. 2
, the retaining device
80
at work is disposed across a cooling piece
85
such that the curved retainers
83
of the two legs
82
catch the CPU heat conductive piece
87
located at the bottom of the cooling piece
85
.
Such a prior art retaining device
80
as described above has shortcomings, which are described hereinafter.
In the processing of installing the prior art retaining device
80
, both ends of the retaining device
80
must be pressed. As a result, the retaining device
80
can not be easily installed on the cooling piece
85
and the CPU heat conductive piece
87
. Both ends of the retaining device
80
are located under a fan
88
of the cooling piece, as shown by the imaginary lines. The fan
88
obstructs the hand with which both ends of the retaining device
80
are pressed. The fan
88
also obstruct the view of a person working to install the retaining device
80
. In addition, the fingers of the person are obstructed by the cooling plates
86
located at the top of the cooling piece
85
at the time when both ends of the retaining device
80
are pressed with the fingers.
The retaining device
80
can not be easily detached without the help of a slotted screwdriver
89
as shown by the imaginary lines. The screwdriver
89
is used to press against the side hook
84
for actuating the leg
82
to displace upwards and outwards, thereby causing the curved retainer
84
to slip out so as to enable the retaining device
80
to be moved away from the bottom of the CPU conductive piece
87
. In addition, the screwdriver
89
is used under the circumstance that there is a lack of point of application, and that the cooling piece
85
is used as a fulcrum on which the leg
82
is taken out. In short, the computer is provided with a limited space in which the screwdriver
89
can not be easily maneuvered.
SUMMARY OF THE INVENTION
It is therefore the primary objective of the present invention to provide a device for retaining a CPU cooling device. The retaining device can be easily mounted and dismounted.
In keeping with the principle of the present invention, the foregoing objective of the present invention is attained by a retaining device comprising a main body which is provided with two legs opposite to each other. Each leg is provided with a hook extending outwards and upwards, and a retainer. The main body is provided at both ends thereof with a winged portion extending outwards and having a through hole.
The objective, features, functions, and advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings.
REFERENCES:
patent: 4679754 (1987-07-01), Richards
patent: 5600540 (1997-02-01), Blomquist
patent: 5638258 (1997-06-01), Lin
patent: 5860195 (1999-01-01), Wang
patent: 5979025 (1999-11-01), Horng
Browdy & Neimark
Sakran Victor N.
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