Method of making a wound armature core structure

Details Method of making a wound armature core structure Method of making a wound armature core structure

1978-09-27

1980-06-10

Combs, Ervin M.

Metal deforming

By deflecting successively-presented portions of work during...

With cutting of work or product

29596, 29605, 29609, 72137, H01F 304, H02K 1500, B21D 1106

Patent

active

042066212

ABSTRACT:
A method of making a laminated armature core for a small electric motor is disclosed.
In a longitudinal metal strip, a couple of comb-like ribbons having teeth and slots with teeth of one ribbon being complementary to slots of the other are formed. A U-shaped groove is formed on each edge of the teeth. After edge-winding the ribbon, the U-shaped grooves are spread to form shoes extending transversely to the longitudinal axis of the teeth.

REFERENCES:
patent: 2304607 (1942-12-01), Sleeter
patent: 2711008 (1955-06-01), Smith
patent: 3225424 (1965-12-01), Wiley
patent: 4080724 (1978-03-01), Gillette
patent: 4116033 (1978-09-01), Iwaki et al.

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