ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,690, issued on April 22, was assigned to TOYOTA JIDOSHA K.K. (Aichi-Ken, Japan).
"Extension/contraction mechanism" was invented by Yoshitaka Hada (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide an extension/contraction mechanism that can lessen increase stress imposed on belts. An extension/contraction mechanism according to the present disclosure includes a telescopic extension/contraction part, in which the extension/contraction mechanism includes a first drive source connected to a screw shaft in such a way that it can transmit a drive force, a first belt holder that accommodates a second belt in such a way that the second...