ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,585, issued on Feb. 24, was assigned to Tonal Systems Inc. (San Francisco).
"Racking and unracking exercise machine" was invented by Ryan Lafrance (San Francisco), Aly E. Orady (San Francisco), Brandt Belson (San Francisco) and Sarah Wilson Lewis (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "An indication is received from a user to rack or unrack a digital weight. A motor is signaled to apply or remove tension to a cable couple to the motor based at least in part on the indication. The actuator is connected to the cable and is physically arranged to deliver a force to the user. The motor selectively tensions a cable in accordance wit...