US Patent Issued on July 21 for "Angle-adaptive and pressure-adjustable polishing grinding head for optical elements" (Chinese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,095, issued on July 21.

"Angle-adaptive and pressure-adjustable polishing grinding head for optical elements" was invented by Xianling Li (Xiamen, China), Jingchang Chen (Xiamen, China) and Dalong Zhang (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An angle-adaptive and pressure-adjustable polishing grinding head for optical elements is provided. The head includes a bottom plate, a positioning mounting pin is arranged in a center of an upper surface of the bottom plate, a gas nozzle is arranged on the upper surface of the bottom plate, a corrugated pipe interface is arranged on a lower surface of the bottom plate, the corrugated pipe...