Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Reexamination Certificate
2000-07-28
2001-09-18
Paumen, Gary F. (Department: 2833)
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
C439S686000, C439S607070
Reexamination Certificate
active
06290548
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to cable connectors.
BACKGROUND OF THE INVENTION
A conventional cable connector is shown in
FIGS. 1 and 2
. In
FIG. 1
, pin assembly A comprises a plurality of plate members C
1
each having a number of pins C disposed lengthwise. Pins C of plate member C
1
are inserted into holes B
1
of plastic body B wherein a tab C
12
of one plate member C
1
is engaged with a recess C
11
of adjacent plate member C
1
and other tabs C
12
, C
13
, and C
14
of plate members C
1
are engaged with slots B
2
, B
3
, and B
4
of plastic body B. Further, insertion of plate members C
1
is done by one by one, i.e., sequentially. This completes an assembled connector as shown in FIG.
2
.
But this is unsatisfactory for the purpose for which the invention is concerned for the following reasons:
1. Such one by one insertion of plate members C
1
is tedious. Also, components tend to be messy in installation.
2. The engagement between tabs of plate members C
1
and slots of plastic body B is weak. As such, a relatively large force exerted on pin assembly A may cause it to separate from plastic body B.
SUMMARY OF THE INVENTION
It is thus an object of the present invention to provide an cable connector comprising a cable-end connector having a plurality of first pins each including a flat plate, a first front engagement strip, a second front engagement strip wherein both front engagement strips are extended from plate with a small elevational gap therebetween, and two first slopes each attached between one front engagement strip and plate; and an equipment-end connector having a plurality of second pins each including a first front engagement piece, a second front engagement piece wherein both front engagement pieces are extended forward to form a small gap therebetween, two second slopes each attached between one front engagement piece and the second pin, and two third slopes each formed on the tip of front engagement piece. One front engagement strip is abutted on top of one front engagement piece, while the other front engagement strip is abutted on bottom of the other front engagement piece by inserting first pin in second pin wherein front engagement pieces are further extended to abut on top and bottom of plate. This causes a compressed elastic force exerted on first pin by second pin and vice versa, resulting in a secured engagement of first and second pins.
It is another object of the present invention to provide an cable connector comprising a plastic body consisting of a front and rear walls and a pin assembly in a stacked configuration wherein the assembled pin assembly is inserted in front wall of plastic body, rear wall is mounted to front wall, and a housing is snapped onto the assembled plastic body and pin assembly to form a complete connector. Such configuration ensures a secure engagement of pin assembly in the connector.
The above and other objects, features and advantages of the present invention will become apparent from the following detailed description taken with the accompanying drawings.
REFERENCES:
patent: 3492631 (1970-01-01), Olsson
patent: 5580283 (1996-12-01), O'Sullivan et al.
patent: 5667411 (1997-09-01), O'Sullivan et al.
patent: 5695366 (1997-12-01), Tomczak et al.
patent: 5722861 (1998-03-01), Wetter
patent: 5975917 (1999-11-01), Wang et al.
patent: 6093061 (2000-07-01), Varsik et al.
patent: 6171134 (2001-01-01), Lai
Gushi Ross
Paumen Gary F.
Pro-Techtor Inter-national Services
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