Socket connector with reliable cover and base configuration

Details Socket connector with reliable cover and base configuration Socket connector with reliable cover and base configuration

2002-10-07

2004-04-20

Hyeon, Hae Moon (Department: 2839)

Electrical connectors

With coupling movement-actuating means or retaining means in...

Including compound movement of coupling part

C439S264000, C439S268000

Reexamination Certificate

active

06722911

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical connector for electrically connecting an electronic package such as a central processing unit (CPU) with a circuit substrate such as a printed circuit board (PCB), and particularly to a CPU socket with a cover and base that-facilitates safe and reliable assembly of the cover and the base.
2. Description of the Prior Art
CPU sockets axe widely used in personal computer (PC) systems to electrically connect CPUs with PCBs. Referring to
FIG. 3
, a conventional CPU socket
5
comprises a base
51
, and a cover
52
slidably engaged on the base
51
. Typically, the base
51
comprises two tabs
511
formed on each of two opposite aide walls (not labeled) thereof. The cover
52
comprises a supporting plate
521
for supporting the CPU when the CPU is electrically connected with the CPU socket
5
. Two retention flanges
522
extend perpendicularly from opposite lateral sides of the supporting plate
521
, for fittingly receiving the two side walls of the base
51
therebetween. Two slots
5221
are defined in each retention flange
522
, for retainingly receiving the corresponding tabs
511
therein when the cover
52
is pressed onto the base
51
. Thus, the retention flanges
522
abut the side walls of the base
51
, and the cover
52
is attached to the base
51
.
However, because the cover
52
is pressed onto the base
51
in a vertical direction, the tabs
511
outwardly deform the retention flanges
522
before the tabs
511
are received in the slots
5221
. Occasionally, such deformation of the retention flanges
522
results in unduly loose engagement between the cover
52
and the base
51
. When this happens, the cover
52
may not slide properly or may fail to slide altogether. Furthermore, damage to the whole CPU socket
5
may result.
In view of the above, a new CPU socket that overcomes the above-mentioned disadvantages is desired.
SUMMARY OF THE INVENTION
Accordingly, an object of the present invention is to provide an electrical connector for electrically connecting an electronic package such as a CPU with a circuit substrate such as a PCB, whereby the electrical connector can prevent undue deformation of a cover thereof.
To achieve the above-mentioned object, an electrical connector in accordance with a preferred embodiment of the present invention includes an insulative base and a cover slidably attached on the base. The cover includes a pair of opposite retention flanges. A pair of sliding slots is defined in the flanges, and a pair of locating recesses is defined in the flanges respectively adjacent the sliding slots. The base includes a pair of opposite sliding rails, and a pair of locating protrusions formed respectively adjacent the sliding rails. When the cover is attached to the base, the sliding slots guide and receive the sliding rails therein, and the locating recesses retainingly receive the locating protrusions therein.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:


REFERENCES:
patent: 5044967 (1991-09-01), Takano
patent: 5336099 (1994-08-01), Aldous et al.

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