Joints and connections – Member ends joined by inserted section – Expansible section
Reexamination Certificate
1999-08-27
2001-10-23
Dayoan, B. (Department: 3629)
Joints and connections
Member ends joined by inserted section
Expansible section
C403S326000, C403S329000
Reexamination Certificate
active
06305872
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a button for front panel of a personal computer.
2. Description of Related Art
A conventional button for front panel of a personal computer is shown in
FIGS. 1-2
wherein a hole A
2
is provided on a side of opening A
1
of a front panel A and a hole B
1
is provided on a side of a button B. Align hole B
1
of button B with opening A
1
of front panel A and then thread a bolt C thereinto for securing button B to front panel A.
But this is unsatisfactory for the following reasons:
1) The joins of bolt C with button B and front panel A are susceptible to breakage after a long use due to a concentration of stress.
2) Button B is susceptible to crack due to a sudden concentration of stress when an applied thread force exceeds the maximum load of button B.
3) Thread of bolt C is susceptible to crack due to a concentration of stress when an applied thread force exceeds the maximum torque of bolt C.
4) The employment of bolt C increases the manufacturing cost.
Thus, it is desirable to provide a new button for front panel of a personal computer in order to overcome the above drawbacks of prior art.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a button for front panel of a personal computer comprising a pair of tabs provided on a side of an opening of front panel, one of tabs having an aperture, and a groove provided on a side of button having a latched member therein. By utilizing this, an easy engagement and disengagement of button and front panel is carried out.
It is another object of the present invention to provide a button for front panel of a personal computer for eliminating the stress concentration occurred in the bolt engagement as implemented by the prior art.
It is still another object of the present invention to provide a button for front panel of a personal computer for decreasing the cost of manufacturing.
The above and other objects, features and advantages of the present invention will become apparent from the following detailed description taken with the accompanying drawings.
REFERENCES:
patent: 5593220 (1997-01-01), Seid et al.
patent: 5862024 (1999-01-01), Watanabe
patent: 5992953 (1999-11-01), Rabinovitz
patent: 6053651 (2000-04-01), Tokuwa et al.
patent: 6155741 (2000-12-01), Took
patent: 6179511 (2001-01-01), Gassler
Chen Ching-Chiang
Chien Cheng-Hsuen
Huang Hsiu-Hsuen
Dayoan B.
Dunwoody Aaron M
Lite-On Enclosure Inc.
Rosenberg , Klein & Lee
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