Repair of armature commutator

Details Repair of armature commutator Repair of armature commutator

1978-02-13

1979-02-06

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29401B, 29401F, H01R 4306

Patent

active

041376269

ABSTRACT:
This rotary armature of an electric motor or the like is provided with a commutator which has a number of segments, each of which has a brush-engaging portion and a riser portion to which riser portions the wires of the coils are attached. The brush-engaging portion often becomes worn or chipped especially if attempted to be turned down and the entire brush-engaging portion and risers are removed for replacement which requires unsoldering the coil wires which are led to the riser portions of the commutator segments. This invention relates to the severing of the brush-engaging portion from the riser portion of the commutator and replacing only the brush-engaging segments without the need for unsoldering the wires from each of the coils to the riser portions of the commutator segments.

REFERENCES:
patent: 3519863 (1970-07-01), Ambler et al.
patent: 3911548 (1975-10-01), Perry

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