Electrical connector having actuation device

Details Electrical connector having actuation device Electrical connector having actuation device

2002-02-04

2002-11-05

Vu, Hien (Department: 2833)

Electrical connectors

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

Including compound movement of coupling part

Reexamination Certificate

active

06475013

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the invention
The present invention relates to electrical connectors, especially to a Central Processing Unit (CPU) connector having an actuation device for actuating the connector to engage with pins of a CPU.
2. Description of the prior art
Referring to
FIGS. 7 and 8
, a prior art CPU connector
6
for electrically connecting a CPU with a printed circuit board (PCB) is shown. The connector
6
has a housing
7
, a cover
8
having a plurality of holes formed therein and being slidable on the housing
7
and an actuation device
9
for actuating the cover
8
to slide on the housing
7
.
The actuation device
9
comprises a cam
91
and a plate
92
. The cam
91
has a pivot portion
93
for inserting through aligned hole
921
in the plate
92
and then being riveted thereto. When the cam
91
is rotated, the cover
8
slides on the housing
7
to electrically connect the CPU with the PCB.
However, the conventional CPU connector actuation device
9
is relatively difficult to be controlled due to inherent structure of the cam
91
. The rotation of the cam
91
is irregularly and rotation degrees of the cam
91
cannot be controlled accurately such that idle stroke situations or over-actuation of the cover
8
occur occasionally.
Accordingly, an improved actuation device is required to overcome the above disadvantage of conventional CPU connector actuation device
9
.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an electrical connector having an actuation device for accurately actuating the connector to engage with pins of a CPU.
To achieve the above object, an electrical connector in accordance with a preferred embodiment of the present invention comprises a base and a cover. The base having a plurality of passageways opened therein. The cover being slidably engaged with the base. A gear and a rack engaged with the base and the cover. Wherein the rack is positioned in the cover and the gear is supported by the base, and the gear is rotatable to actuate the rack and therefore to slide the cover along the base. Because rotation of the gear is regularly and rotation degree of the gear can be controlled accurately, the actuation process can be operated precisely so as to idle stroke situations will not occur.


REFERENCES:
patent: 6116936 (2000-09-01), Pei
patent: 6146178 (2000-11-01), Walkup et al.
patent: 6250941 (2001-06-01), Huang et al.
patent: 6338640 (2002-01-01), Lin

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