US Patent Issued to TOYOTA JIDOSHA on March 11 for "Spiral advancing and retreating operation device and belt member for tubular telescopic body" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,644, issued on March 11, was assigned to TOYOTA JIDOSHA K.K. (Aichi-Ken, Japan).

"Spiral advancing and retreating operation device and belt member for tubular telescopic body" was invented by Hirofumi Inoshita (Toyota, Japan) and Satoshi Kojima (Nissin, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The spiral advancing and retreating operation device forms a tubular telescopic body by spirally wrapping a first belt member and a second belt member around a common axis line in an overlapping manner in a state in which the first belt member and the second belt member are displaced from each other in a direction of the axis line, in which the fi...