ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,320, issued on April 15, was assigned to LOGICDATA Electronic & Software Entwicklungs GmbH (Deutschlandsberg, Austria).
"Spindle system, linear actuator and piece of furniture" was invented by Haymo Niederkofler (Graz, Austria) and Hannes Puck (Stainz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a spindle system with a hollow spindle for a linear actuator, the linear actuator has a telescopic tube system including an outer tube and at least one inner tube arranged coaxially with the outer tube and at least partially surrounded by the outer tube. A bearing is arranged to transmit axial forces between the hollow spindle and the outer tube...