Commutator device for small electric motors

Details Commutator device for small electric motors Commutator device for small electric motors

H - Electricity

01

R

26/115, 310/119

H01R 39/32 (2006.01) H01R 43/02 (2006.01) H01R 4/02 (2006.01)

Patent

CA 1173887

SPECIFICATION TITLE OF THE INVENTION: COMMUTATOR DEVICE FOR SMALL ELECTRIC MOTORS ABSTRACT OF THE DISCLOSURE: A commutator device for small electric motors having commu- tator segments comprising circular-arc-shaped commutator portions and terminal portions standing upright from the commutator port- ions; the commutator portions being mounted on an insulating cylinder, and the terminal portions being bent to hold armature winding lead wires; wherein each of the terminal portions has a narrow portion at which the crosssectional area of the terminal portion in the direction perpendicular to the longitudinal direc- tion thereof is made smaller than the other portions thereof to permit the terminal portion to be easily heated when the lead wire is resistance welded to the terminal portion, the lead wire being held in position by bending the terminal portion at the narrow portion thereof and welded to the terminal portion. - 1 -

408560

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