US Patent Issued to Hyprlift on June 3 for "Dynamic tractive drive for vertical transportation system" (Michigan, Hawaii Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,542, issued on June 3, was assigned to Hyprlift Inc. (Santa Clara, Calif.).

"Dynamic tractive drive for vertical transportation system" was invented by James Boyd Hutchinson (Honolulu) and Daniel David Johnson (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator tractive drive system including a plurality of wheels coupled to an elevator cab. The plurality of wheels are configured to compress into one or more shaft-mounted rails and/or one or more interior shaft wall surfaces. The plurality of wheels are powered by one or more motors coupled to a transmission configured to deliver regulated torque to the plurality of wheels. T...