ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,753, issued on Dec. 23, was assigned to JIANGSU DONGCHENG TOOLS TECHNOLOGY Co. LTD. (Nantong, China).
"Sleeve assembly and electric tool" was invented by Xiaohu Peng (Jiangsu, China) and Zhigang Wu (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sleeve assembly and an electric tool are provided. The sleeve assembly includes a sleeve defining a receiving cavity recessed backward from a first end face of the sleeve. The nut is received in the receiving cavity. The sleeve assembly also includes a pull rod assembly arranged in the receiving cavity. The pull rod assembly includes a pull rod extending along a central axis of the sleeve, a...