Apparatus for providing an electrical coil with leads

Details Apparatus for providing an electrical coil with leads Apparatus for providing an electrical coil with leads

1980-11-03

1983-02-08

Hall, Carl E.

Metal working

Plural diverse manufacturing apparatus including means for...

Separate tool stations for selective or successive operation...

29605, 228 49R, H01R 4302

Patent

active

043720293

ABSTRACT:
This apparatus makes an electrical coil from conductive wire having an insulating coating bonded thereto and provides the coil with at least one conductive lead. The coil winding operation is stopped when a predetermined wire region is located at a work station, where a section of the insulating coating is removed, thereby exposing a section of bare wire. Then there is placed in contact with the section of bare wire and cold-welded thereto a thin conductive strap that extends transversely of the wire and forms said lead.
Prior to such welding, the strap is carried transversely of the wire into its position for contacting the wire by a transversely-movable framework which also carries the means for making the cold weld. This transverse movement of the framework is stopped when the welding means is correctly positioned to make the weld by suitable framework stop means. This stop means is coupled to traversing mechanism which is used in the coil winding operation for shifting a portion of the wire axially of the coil before the wire portion enters the coil.

REFERENCES:
patent: 2534119 (1950-12-01), Gethman
patent: 2845693 (1958-08-01), Shetterly et al.
patent: 3060073 (1962-10-01), Horn
patent: 3363309 (1968-01-01), Logan et al.
patent: 3412450 (1968-11-01), Whiteman et al.
patent: 3488839 (1970-01-01), Proxmire
patent: 3527138 (1970-09-01), Boltz
patent: 3534312 (1970-10-01), Grasinger
patent: 3596843 (1971-08-01), Lightner et al.
patent: 3925885 (1975-12-01), Smith
patent: 3961417 (1976-06-01), George

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