US Patent Issued to ZHEJIANG SHIJING TOOLS on May 6 for "Rubber part structure for vacuum suction pad and vacuum suction pad with replaceable rubber part" (Chinese Inventor)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,918, issued on May 6, was assigned to ZHEJIANG SHIJING TOOLS Co. LTD. (Wuyi, China).

"Rubber part structure for vacuum suction pad and vacuum suction pad with replaceable rubber part" was invented by Min Xu (Yongkang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rubber part structure for the vacuum suction pad includes a rubber part (1); an air hole (2) for air extraction and discharging is provided in the middle of the rubber part (1); a ringlike lip edge (3) is arranged around the rubber part (1); an air extraction chamber (4) communicated to the air hole (2) is formed on an inner side of the lip edge (3); and the flanging (5) is configu...