ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,685, issued on Dec. 23, was assigned to NINGBO SHELL MACHINERY Co. LTD (Zhejiang, China).
"Detachable spraying machine" was invented by Xuefeng Nie (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a detachable spraying machine, including a front end cover, a drive motor, a pump assembly, a reduction gearbox, an eccentric shaft, an eccentric bearing, and a slide mechanism. The slide mechanism includes a sliding member and a detachable pressure plate. The pressure plate and the front end cover form a track, and the sliding member slides in the track. The drive motor drives the eccentric bearing via the r...