US Patent Issued to Zhejiang Jiahong Tools Manufacture on Feb. 10 for "Telescopic adapter device for dredging machine" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,810, issued on Feb. 10, was assigned to Zhejiang Jiahong Tools Manufacture Co. Ltd. (Lishui, China).

"Telescopic adapter device for dredging machine" was invented by Jianxin Yang (Lishui, China) and Lei Zhang (Lishui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic adapter device for a dredging machine includes a protective cover at an exit of a flexible shaft of a dredging machine, a connector detachably connected to the protective cover, a flexible shaft conduit with an inner end fixed in an inner hole of the connector, and a sliding conduit sleeved on an outer wall of the flexible shaft conduit, where the sliding conduit include...