ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,393, issued on April 14, was assigned to AUMA Riester GmbH & Co. KG (Mullheim, Germany).
"Actuator" was invented by Anna Wirtz (Wenden, Germany) and Benjamin Hofmann (Heitersheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An actuator (1) including an engageable manual drive shaft (2) for the manual drive and a manual operating element (3), wherein the manual operating element (3) can be detachably connected to a housing (4) of the actuator (1). The manual operating element (3), in a position connected to the housing (4), forces the coupling of the manual drive shaft (2) to a gear (5) of the actuator (1). Also shown is an actuator (20) ...