ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,706, issued on Nov. 18, was assigned to WUXI HAIDAER PRECISION SLIDES Co. LTD (Jiangsu, China).
"Ball bearing slide" was invented by Xinglong Xu (Jiangsu, China), Haiwen Zhang (Jiangsu, China), Lian Zou (Jiangsu, China), Feng Qian (Jiangsu, China), Kai Dai (Jiangsu, China) and Qiang Ji (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ball bearing slide includes: at least one outer slide, an inner slide located within the outer slide, a ball cage located between the inner slide and the outer slide, and three rows of balls rollably arranged in the ball cage; wherein the three rows of the balls includes a first ball row, a second ball r...