Computer chassis

Details Computer chassis Computer chassis

1999-07-06

2001-10-16

Picard, Leo P. (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S727000, C361S740000, C312S223200

Reexamination Certificate

active

06304438

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to a computer chassis, and in particular to a computer chassis that can be easily assembled.
2. The Prior Art
A personal computer comprises a chassis for accommodating computer components therein. One type of the computer chassis available in the market comprises a bottom panel and front and rear panels mounted to and extending from opposite ends of the bottom panel. Fasteners, such as bolts and rivets, secure the front and rear panels to the bottom panel. Alternatively, welding is adopted to fix the panels together. Conventionally, when mounting the front and rear panels to the bottom panel, an assembler must grasp the panels. Thus, product precision may not be ensured, labor time is increased, and costs are high. Furthermore, welding machines or fastener-applying devices may potentially injure the assembler. Examples of conventional computer chassis are disclosed in Taiwan Patent Application Nos. 85220294 and 84213528 and U.S. Pat. Nos. 5,031,070, 5,491,611 and 5,175,670.
It is thus desired to provide a computer chassis which facilitates assembly for addressing the above problems encountered in the prior art.
SUMMARY OF THE INVENTION
Accordingly, an object of the present invention is to provide a computer chassis that can be readily assembled.
Another object of the present invention is to provide a computer chassis having a high product precision resulting in a low rate of flawed product.
A further object of the present invention is to provide a computer chassis that may be assembled with low risk of injury to an assembler.
To achieve the above objects, in accordance with the present invention, a computer chassis comprises a bottom panel having front and rear portions forming front and rear perpendicular flanges. Two openings are defined in the bottom panel proximate each of the front and rear portions and two retaining tabs are formed on the front flange. A front panel has a lower portion positioned on the bottom panel and abutting against the front flange. The lower portion of the front panel forms two projections received in the openings of the front portion of the bottom panel and defines two slots receiving the retaining tabs of the bottom panel therein thereby firmly retaining the front panel on the bottom panel. A rear panel has a lower portion positioned on and abutting against the rear flange. The lower portion of the rear panel forms two projections received in the openings of the rear portion of the bottom panel for properly positioning the rear panel on the bottom panel. Holes are defined in each of the front and rear panels and are aligned with corresponding holes defined in the bottom panel for receiving fasteners therethrough to secure the front and rear panels to the bottom panel.


REFERENCES:
patent: 5921644 (1999-07-01), Brunel et al.
patent: 5931550 (1999-08-01), Chen
patent: 5975659 (1999-11-01), Yang et al.
patent: 5995364 (1999-11-01), McAnally
patent: 6053586 (2000-04-01), Cook et al.
patent: 6234592 (2001-05-01), Liu et al.

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