Commutator puller

Details Commutator puller Commutator puller

1979-09-28

1981-09-15

Hall, Carl E.

Metal working

Means to assemble or disassemble

Means to disassemble electrical device

29597, 29733, H02K 1500

Patent

active

042889154

ABSTRACT:
A commutator puller for electric motors, alternators, generators and the like has teeth means which hold the commutator while a plunger separates the armature from the commutator. Wire windings soldered to contacts on the commutator may be simultaneously loosened by dipping the commutator, including the winding connections, in a solder bath. While the solder is still molten, the armature is placed in the commutator puller. Power means push the plunger toward the armature. As the plunger moves, a spring associated with the plunger pushes an actuator into a plurality of teeth, forcing the teeth against the commutator to hold it firmly in place. As the plunger continues to move, it pushes the armature away from the commutator. Thus, the commutator contacts are disconnected from the armature windings before the solder hardens. When the power means are disabled, the plunger returns to its original position, relaxing the spring. Tooth springs bring the teeth and actuator away from the commutator, releasing the commutator for removal from the commutator puller.

REFERENCES:
patent: 1800566 (1931-04-01), Pabst
patent: 4152822 (1979-05-01), Duff

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