ELECTRIC MOTOR ARMATURE CORE AND METHOD OF MAKING THE SAME

摘要

An armature core assembly in which the heads of the circumferentially spaced T-shaped teeth that form the peripheral oortion of the laminated coilreceiving core have their opposite end portions taperingly deformed to widen the entrances to the reentrant coil receiving spaces or slots between the T-shaped teeth at opposite ends of the core. A preformed plastic shield or cap of the same size and shape as the laminations which comprise the core, completely covers each end of the core and has protective flanges that embrance the ends of its T-shaped teeth, including the head, the taperingly reduced width of the end portions of the head providing space for those portions of the protective flanges that embrace the heads, so that the presence of these protective flanges does not objectionably reduce the width of the entrances to the wire receiving slots.