Armature of electric motor

摘要

PCT No. PCT/JP87/00914 Sec. 371 Date Jun. 15, 1988 Sec. 102(e) Date Jun. 15, 1988 PCT Filed Nov. 26, 1987 PCT Pub. No. WO88/04490 PCT Pub. Date Jun. 16, 1988.With respect to an armature for use in an electric motor of an engine starter, or the like, an annular steel-plate ring (11) is fitted on the outer circumference of commutator segments (2) through insulating paper (12) for the purpose of stably maintaining strength in the connection between each of the commutator segments (2) to which armature coils (6) are connected and a resinmolding member (3) fixed to an armature rotary shaft (5).