US Patent Issued on Aug. 4 for "Double-traction transfer vehicle" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,046, issued on Aug. 4.

"Double-traction transfer vehicle" was invented by Houdong Sun (Xuzhou, China) and Yang Sun (Xuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a double-traction transfer vehicle used for trailers, comprising a front traction mechanism, two traction bars arranged in a cross, and a transfer frame connected with the trailer and provided with a running device, one end of each traction bar near the front traction mechanism is connected to the front traction mechanism by the retractor, and one end of each traction bar near the transfer frame is hinged to the transfer frame, the top of the transfer ...