ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,430, issued on Oct. 7, was assigned to OKUMA (Aichi, Japan).
"Linear motor with varying width slider teeth" was invented by Takanori Yokochi (Aichi, Japan) and Tatsuya Shizu (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A linear motor includes a stator having a plurality of salient poles, and a slider configured to move along a direction of extension of the stator. A U-phase coil core of the slider includes a yoke, a plurality of teeth, permanent magnets provided in respective magnet-receiving cavities located between the teeth, coil-receiving cavities formed on outer sides of the teeth set, and a U-phase coil wound in the coil-receivi...