Method for manufacturing an armature

Details Method for manufacturing an armature Method for manufacturing an armature

2007-02-06

2007-02-06

Trinh, Minh (Department: 3729)

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

C029S620000, C029S609000, C400S124180, C101S093040

Reexamination Certificate

active

10764642

ABSTRACT:
An armature manufacturing method of forming an armature including an arm holding a printing wire, and magnetic circuit forming members attached to the arm places the magnetic circuit forming members on the arm with a resistive layer of a resistive material having high electric resistance sandwiched between the arm and each of the magnetic circuit forming members, and welds together the arm and the magnetic circuit forming members with the resistive films sandwiched between the arm and the magnetic circuit forming members by spot welding. The arm and the magnetic circuit forming members of the armature can be joined together by welds having a high weld strength.

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