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Fuel Cells

Methods-of-and-apparatus-for-assembling-contact-elements-to-connector-housing

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Methods of and apparatus for assembling contact elements to connector housing

Details

Inventors: Hutchins, Erle M.;
Assignee: AT&T Technologies, Inc. (Berkeley Heights, NJ)
Primary Examiner: Goldberg; Howard N.
Assistant Examiner: Arbes; Carl J.
Attorney, Agent or Firm: Somers; E. W.

A plurality of lengths (52--52) of wires (54--54) are advanced along parallel paths and clamped after which each length is formed into a retroflexed configuration at a wire-forming station (50). The partially formed lengths of wire are stored in a nest of a transport device (115) and severed from supplies (56--56) of the wires. Then the transport device is moved to deliver the partially formed wires from the wire-forming station to an assembly station (60). Forces are applied to the partially formed wires to hold an upper portion of each compressed toward a lower portion to allow end portions of each to be moved into guide channels of a plastic housing (32) having a plug end (34) and a jack end (36) which includes stacked cavities (38, 39). Portions of tooling (241,242) inserted into the jack end provide guide paths for the end portions of the wires during their movement into the housing and to the jack end. Portions (251,258) of the tooling are activated to cause each free end portion of each wire length to be retroflexed and disposed in one of the cavities.

DETAILED DESCRIPTION The foregoing problems of the prior art are overcome by the methods and apparatus of this invention.
In a method of assembling a wire-like like contact element and a dielectric, unipartite housing having an opening in a first end which communicates with a cavity in a second end, a straight length of wire extending from a supply is fed into a wire-forming station.
In the wire forming station, a portion of the length of wire which includes a leading free end is turned to provide a partially formed contact element having a retroflexed configuration, after which the partially formed contact element is stored in a nest.
The partially formed contact element is separated from the supply to cause the partially formed contact element to have a trailing free end.
Then the partially formed contact element in the nest is caused to be aligned with the housing with the leading and trailing free ends of the partially formed contact element facing the first end of the housing.
The partially formed contact element is moved out of the nest into the first end of the housing and farther therein to cause at least one free end portion of the partially formed contact element to be disposed adjacent to the second end of the housing.
The at least one free end portion is caused to have a predetermined configuration and to be disposed in the cavity at the second end of the housing.
In a preferred embodiment, an apparatus for forming a plurality of wire-like contact elements and for assembling the contact elements to a plastic housing which includes a plug end and an opposite jack end having two cavities includes feeding facilities for moving a plurality of straight lengths of wire extending from supplies into a wire-forming station.
A forming device is provided at the wire-forming station for turning a portion of each length of wire which includes a leading free end to provide partially formed contact elements each having a retroflexed configuration.
A transport device having a nest is adapted to receive the partially formed contact elements and to move them from the wire-forming station to an assembly station

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