Electrical connector having an improved housing with...

Details Electrical connector having an improved housing with... Electrical connector having an improved housing with...

1999-12-22

2001-10-16

Paumen, Gary (Department: 2833)

Electrical connectors

With insulation other than conductor sheath

Metallic connector or contact secured to insulation

C439S751000

Reexamination Certificate

active

06302748

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a connector, and particularly to a connector having an improved housing with a plurality of reliable contact receiving cavities to securely receive a corresponding number of contacts therein.
2. Description of the Prior Art
Referring to
FIGS. 3 and 3A
, a conventional connector
8
comprises an insulative housing
80
and a plurality of contacts
82
received in the housing
80
. The housing defines a plurality of contact receiving cavities
84
each having a generally rectangular shape. Each contact
82
comprises a first end
86
, a second end
88
and a retention portion
90
therebetween. The retention portion
90
forms a pair of engaging flanges
92
which interferentially bias against a periphery of a corresponding contact receiving cavity
84
thereby securing the contact
82
in the housing
80
. Similar electrical connectors are also disclosed in U.S. Pat. Nos. 4,717,354 and 5,175,928.
However, since the contact receiving cavities
84
are featureless, and therefore have no guiding means, when the contacts
82
are assembled into the cavities
84
, the contacts
82
may be positioned incorrectly. Therefore, when the connector
8
mates with a mating connector (not shown), the contacts
82
may be disengaged from the housing
80
by forces exerted by the terminals of the mating connector. Hence, an improved electrical connector is required to overcome the disadvantages of the prior art.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide an electrical connector comprising an insulative housing and a plurality of contacts wherein the insulative housing comprises a plurality of improved contact receiving cavities to securely receive the plurality of contacts therein.
To fulfil the above object, an electrical connector of the present invention comprises an insulative housing defining a number of contact receiving cavities and a same number of contacts respectively received in the contact receiving cavities. The housing includes a number of blocks each extending into a corresponding contact receiving cavity, thereby defining two guiding grooves spaced by the corresponding block. Each contact comprises two engaging flanges fixed in corresponding guiding grooves and being biased against corresponding block, thereby securing the contact in the corresponding contact receiving cavity.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of the present embodiment when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5478263 (1995-12-01), Kato
patent: 5516308 (1996-05-01), Yamanashi
patent: 5567185 (1996-10-01), Henderson et al.
patent: 5609503 (1997-03-01), Tsuji et al.
patent: 5664969 (1997-09-01), Peterson et al.

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