Carrier plate for forming a plug contact

Details Carrier plate for forming a plug contact Carrier plate for forming a plug contact

1999-06-17

2001-06-05

Sircus, Brian (Department: 2839)

Electrical connectors

Contact terminal

Strip of detachable contacts

Reexamination Certificate

active

06241564

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a carrier plate, and especially to a carrier plate for forming a plug contact of an electrical connector.
A known carrier plate for forming a plug contact of an electrical connector assembly is shown in
FIGS. 6 and 7
. Carriers
5
,
5
′ are provided at opposite ends of the contacts
6
proximate soldering portions
61
and mating portions
62
of the contacts
6
, respectively. Dotted lines indicate where the carriers
5
,
5
′ are to be separated from the contacts
6
. To facilitate separation of the carrier
5
′ from the contacts
6
, small grooves
7
are provided at the border between each contact
6
and the carrier
5
′. Thus, the contacts are not securely contacted to the carrier
5
′ and may become inadvertently separated therefrom when an external force is exerted thereon.
When the carrier
5
′ is separated from the contacts
6
, a burr
64
will be formed at a free end of the soldering portion
61
which may hinder insertion of the soldering portion
61
into a hole defined in a PC board (not shown). Additionally, the PC board may become damaged during insertion of the soldering portion
61
into the hole of the PC board. Moreover, since the carrier
5
is proximate the mating portion
62
, the plating operation of the mating portions
62
becomes difficult and the region where the carrier
5
is separated from the contact
6
may become improperly deformed thereby deforming the shape of the mating portions
62
and adversely affecting the electrical capabilities thereof. Furthermore, each mating portion
62
comprises two symmetrical parts to be aligned with each other by means of a bending process. However, the two parts may become offset from each other thereby compromising the quality thereof.
BRIEF SUMMARY OF THE INVENTION
A main object of the present invention is to provide a carrier plate for forming a plug contact of an electrical connector assembly, wherein at least a hole is disposed through the contact for guiding the carrier plate during a plating process and for facilitating quality inspection after a bending process is performed.
Another object of the present invention is to provide a carrier plate for forming a plug contact of an electrical connector assembly whereby the contacts can be manufactured easily and economically without becoming separated from carriers thereof during manufacture.
Accordingly, a carrier plate for forming a plug contact of an electrical connector assembly in accordance with a preferred embodiment of the present invention comprises a plurality of contacts and carriers connecting the contacts together. Each contact includes a body and several tails extending from the body. Each body comprises an upper section and a lower section having the same shape. A hole is disposed in the upper and lower sections proximate the tails for guiding the carrier plate during a bending process and for inspecting the quality of the contact plate after the bending process is complete. The carriers connect the tails together for facilitating manufacture of the contacts and reducing costs.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of the preferred embodiment when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 3818423 (1974-06-01), McDnough
patent: 5217388 (1993-06-01), Brown
patent: 5299941 (1994-04-01), Ohashi
patent: 5813883 (1999-01-01), Luin
patent: 5860821 (1999-01-01), Pernet
patent: 5938039 (1999-08-01), Liu
patent: 6050863 (2000-04-01), Noda

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