Method of making armature of double insulation construction

Details Method of making armature of double insulation construction Method of making armature of double insulation construction

1978-08-31

1981-04-28

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29598, 29733, 264272, 310 43, H01R 4306

Patent

active

042637112

ABSTRACT:
An armature of double insulation construction for commutator motors of the wound-rotor type and a method of making the armature. An insulator insulating an iron core from a shaft and windings from the iron core also insulates a commutator from the shaft and unites the shaft, iron core and commutator into an integral rigid body. The armature can be fabricated with high precision by a simplified method.

REFERENCES:
patent: 1921112 (1933-08-01), Apple
patent: 2756354 (1956-07-01), Baron
patent: 3212170 (1965-10-01), Marshall

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