Electrical connectors – With coupling movement-actuating means or retaining means in... – Retaining means
Reexamination Certificate
2000-08-03
2001-09-11
Nguyen, Khiem (Department: 2839)
Electrical connectors
With coupling movement-actuating means or retaining means in...
Retaining means
C361S759000, C361S801000
Reexamination Certificate
active
06287138
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
The present invention relates to a device for fixing extension card of a computer, and more particularly relates to a fixing device for extension card in which no tool is needed for a manual operation. The device is applicable to where the extension card is in a limited space where screw fastening is not available.
2. Related Art
Computer extension cards can be interfaces of a computer and its peripheral devices, and can be devices to expand functions of the computer. As shown in
FIG. 1
, an extension card can be a display card, a network card, an interface card, and so on. In order to fastening the extension card
9
, a slot is provided on the CPU board for receiving the card. And, a standardized sheetmetal fastening plate
91
is fastened on one side of the extension card
9
. One end of the fastening plate
91
can be inserted into a predetermined position formed on the computer, while the other end can be fastened by a screw
98
to the case of the computer via a folded-up surface
910
and a cutout formed thereon. In some limited space, such as in a laptop computer
8
as shown in
FIG. 1
, the extension card
9
has to be mounted in parallel with the planar direction of the computer, so that the fastening plate
91
is attached to a mounting hole on a vertical side, such as the back plate,
81
of the computer. In this situation, it will be difficult to use screw
98
and tools in the position close and parallel to the vertical side
81
, especially when there are some extruded components, such as connectors or sockets
87
, formed nearby which prevent the screw and tool from moving into the position. Generally, fastening by screws or other attachments will cost more time when assembly. The screws or small attachments are easy to lost, hard to use, and inconvenient for the manufacturer or user to assemble or disassemble the extension card or a cover plate for the mounting hole of extension card.
SUMMARY OF THE INVENTION
In order to solve the aforesaid problem, the present invention provides a device for fixing extension card of a computer. The fixing device for extension card can be manually operated without using a tool, and the device is applicable to where the extension card is in a limited space where screw fastening is not available.
To achieve the aforesaid object, a device for fixing an extension card of computer according to the present invention mainly includes a fixing element having one end pivotally mounted on a case of computer and adjacent to a mounting plate of an extension card. The fixing element includes a resilient plate which is rotatably movable between a fastening position to press and fix the folded-up surface of the mounting plate, and a release position to release the pressing when the resilient plate is moved away from the folded-up surface. As a result, the user can manually rotate the fixing element to fix and to release the extension card or a cover plate to the mounting hole of the extension card.
Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
REFERENCES:
patent: 4931909 (1990-06-01), Backes
patent: 5045976 (1991-09-01), Guilleminot
patent: 5373416 (1994-12-01), Tran
patent: 5757618 (1998-05-01), Lee
patent: 5812377 (1998-09-01), Golbach
patent: 5822196 (1998-10-01), Hastings et al.
patent: 6132235 (2000-10-01), Kitada
Birch & Stewart Kolasch & Birch, LLP
Inventec C'orporation
Le Thanh-Tam
Nguyen Khiem
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