ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,826, issued on April 21, was assigned to NIDEC DRIVE TECHNOLOGY Corp. (Kyoto, Japan).
"Bearing, speed reducer, and robot" was invented by Kenji Sugishita (Muko, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bearing includes an inner ring, an outer ring, an annular retainer, and rollers. The inner ring is located radially outside a central axis. The outer ring is located radially outside the inner ring. The retainer is located between the inner ring and the outer ring. The rollers are positioned at intervals in the circumferential direction by the retainer between the inner ring and the outer ring. The retainer includes column portions and ...