ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,623, issued on Feb. 3, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Joint mechanism" was invented by Takahiro Takeda (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A joint mechanism includes: a rotatable first rotary shaft arranged on a proximal side; a rotatable second rotary shaft arranged on a distal side; and a joint part coupling the first and second rotary shafts with first and second coupling members and transmitting rotation from the first rotary shaft to the second rotary shaft, rotating around a pitch axis, a yaw axis, and a roll axis perpendicular to one another. The first and second coupling members are relatively ...