Coil insertion method and apparatus using non-parallel blade gap

Details Coil insertion method and apparatus using non-parallel blade gap Coil insertion method and apparatus using non-parallel blade gap

1981-07-20

1984-02-21

Husar, Francis S.

Wireworking

Article making or forming

Forms and frames

29596, B21F 300

Patent

active

044324006

ABSTRACT:
A coil inserting blade array has a first position in which the distal ends of a group of adjacent blades extend into the coil form recess with the two gaps at the sides of the group exposed to the angled section-shaping portions so that a coil wound on coil form may be transferred to the array with angled sections extending through the two gaps and one end section disposed within the array. The array has a second position with the distal ends of the blades extending into the bore of the core and engaging teeth thereof, and with the two gaps communicating with two winding slots, the two gaps defining a first angle therebetween. The angled section-shaping portions of coil form define a second angle therebetween slightly smaller than the first angle and having a center spaced outwardly from the centerline of the array on the side thereof remote from the one end section in the first position of the array. The facing sides of each pair of adjacent blades which define the gaps diverge toward the center of the array so that the coil on the blades may be pivoted to an insertion position defining an acute angle with the blades with the two angled sections of the coil defining a third angle therebetween slightly larger than the first angle and the projected centerlines of the angled sections meeting at a point spaced inwardly from the centerline of the array.

REFERENCES:
patent: 3507029 (1970-04-01), Stuckey et al.
patent: 3689976 (1972-09-01), Donovan

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