Electrical connectors – Including or for use with coaxial cable
Reexamination Certificate
2000-03-09
2003-08-12
Luebke, Renee (Department: 2833)
Electrical connectors
Including or for use with coaxial cable
Reexamination Certificate
active
06604961
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
The present invention relates to a shield connector.
2. Description of Related Art
FIG. 6
, illustrates one example of a conventional shield connector as the reference numeral
1
. The shield connector
1
has a shield shell
3
(hereafter, referred to as “female side shield shell
3
” for convenience) fitted around a terminal accommodation portion
2
A provided in a connector housing
2
, and if it is fitted to a mating connector housing
4
, a mating shield shell
5
(hereafter, referred to as “male side shield shell
5
” for convenience) is fitted to a tip outer side of the female side shield shell
3
, so that both are electrically connected to each other as shown in FIG.
7
. Further, as shown in
FIG. 8
in enlarged scale, in an edge portion of a tip end face of the female side shield shell
3
taper face
3
A is formed, and there is adopted such a constitution that even if both shield shells
3
and
5
are deviated, they are guided to a regular position by taper face
3
A and taper face
5
A formed in the male side shield shell
5
.
In
FIG. 8
, the male side shield shell
5
at the regular position where axes of both shield shells
3
and
5
coincide with each other is shown by a solid line, and the male side shield shell
5
at a maximum deviation allowable position capable of guiding to the regular position is shown by a two-dot chain line.
Since the taper faces
3
A and
5
A can be formed over at most about a half of thickness t of the shield shells
3
and
5
, in the conventional shield connector
1
a maximum deviation allowable amount L
1
of both shield shells
3
and
5
has been able to ensure an extent of about the thickness dimension t when the taper face
5
A is formed within a range of ½ of wall thickness t. Therefore, owing to a deviation in mutual fitting position of the connectors in some extent and an error in assembling the shield shell to the connector housing or the like, the end faces of the shield shells
3
and
5
butt against the mating side in a manner so as to render the fitting operation of the connector difficult.
SUMMARY OF THE INVENTION
The invention was made in view of the above circumstances, and its object is to provide a shield connector which permits improved fitting operation ability.
In order to achieve the above object, according to the invention, a shield connector is provided comprising: a connector housing having an engagement mechanism for engaging with a terminal metal fitting; a shield shell provided in the connector housing so as to surround the terminal metal fitting, the shield connector fitting with a mating connector housing to thereby cause a mating shield shell provided in the mating connector housing fit with a tip outer side of the shield shell, thereby making both into an electrically connected state; and a guide protrusion portion for guiding a tip of the mating shield shell so as to be fitted to the shield shell by extending to a side from an inner portion of the shield shell of the connector housing.
REFERENCES:
patent: 5063659 (1991-11-01), Wright
patent: 5501615 (1996-03-01), Inaba et al.
patent: 6033260 (2000-03-01), Murata et al.
patent: 0 290 353 (1988-11-01), None
patent: 0 459 663 (1991-12-01), None
patent: WO 93/10578 (1993-05-01), None
Harness System Technologies Research Ltd.
Luebke Renee
Oliff & Berridg,e PLC
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