Arrangement of contacts and carriers

Electrical connectors – Contact terminal – Strip of detachable contacts

Reexamination Certificate

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Reexamination Certificate

active

06264511

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a carrier strip arrangement, and particularly to a carrier strip arrangement which provides excellent protection over the contacts formed/stamped thereon.
Since more and more complicated contacts are employed in electrical connectors for achieving high performance, more strict requirements are presented as to the manufacturing process of the contacts. The complicated contacts often form many inclined or curved structures thereof. Generally, the contact has a complicated contour, including inclined and/or curved section. The complicated contacts are usually stamped from a sheet of metal and arranged in regularly repetitive and sequential order thereby forming a carrier strip arrangement. A carrier strip arrangement typically includes a guiding structures, for example the guiding perforations, and the formed contacts attached thereto are presumed to be protected by those guiding perforations.
However, since the carrier strip arrangement only contains a single carrier strip connecting with the contacts at a single side, the carrier arrangement accordingly is apt to deformations and warpage in package and transportation owing. Furthermore, when plating the carrier arrangement, more plating material may be wasted due to the deformation and warpage caused by the poor stabilization of the carrier arrangement since the contacts is connected with the single carrier strip at only the single side. Moreover, when the carrier strip arrangement is served as a contact feeding during assembly process of a connector, the carrier strip can only be held on a single side thereby lowing down the manufacturing process.
Therefore, an improved carrier strip arrangement is required.
BRIEF SUMMARY OF THE INVENTION
A main object of the present invention is to provide a carrier arrangement employing double carriers connecting with complicated contacts therebetween thereby preventing the carrier arrangement from deformation and warpage during the course of package and transportation.
Another object of the present invention is to provide a carrier strip arrangements having good stabilization thereof thereby ensuring good plating quality by introducing double carriers to connect with complicated contacts therebetween.
Another object of the present invention is to provide a carrier arrangement which can increase the producing capacity of manufacture, especially of the plating process thereof by introducing a double-carrier structure.
Another objective of this invention is to provide a carrier strip arrangement which effectively protect contacts formed thereof during shipment.
Still another objective of this invention is to provide a carrier strip which can be firmly held when served as a feeding, thereby increasing the production capacity.
A carrier strip arrangements in accordance with the present invention comprises a pair of first and second carrier strip sub-arrangements connecting with each other by a plurality of connecting webs. Each of the first and second carrier sub-arrangements contains a carrier strip and a plurality of contacts connected with the carrier strip. Each contact of the first carrier strip sub-arrangement is a mirror image of and is connected with a corresponding contact of the second carrier strip sub-arrangement by a pair of connecting webs. Thus, the carrier strip arrangement achieves good stabilization by employing the connecting webs transversely connecting with the corresponding contacts of the first and second rows thereby effectively preventing the contacts from deformation and warpage during package and transportation.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5176545 (1993-01-01), Brown
patent: 5376026 (1994-12-01), Ohashi
patent: 5779507 (1998-07-01), Yeh
patent: 5788544 (1998-08-01), Drekmeier et al.
patent: 5848920 (1998-12-01), Klein et al.

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