US Patent Issued to Beijing Roborock Technology on Feb. 24 for "Debris cleaning mechanism and cleaning device" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,954, issued on Feb. 24, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).

"Debris cleaning mechanism and cleaning device" was invented by Xing Li (Beijing), Zhimin Yang (Beijing), Yungen Qin (Beijing), Cheng Yang (Beijing), Guangzhong Luo (Beijing), Ping Luo (Beijing) and Liang Qiao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A debris cleaning mechanism and a cleaning device, comprising a driving mechanism, a transmission mechanism, and a debris scraping mechanism. The transmission mechanism comprises a gear box, and the gear box is connected to the driving mechanism by means of an input shaft and connected to the debris sc...