ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,627, issued on May 12, was assigned to ZF AUTOMOTIVE GERMANY GMBH (Alfdorf, Germany).

"Modular system for a belt tightener comprising a spur gear mechanism, and belt tightener" was invented by Michael Lohmeier (Schwabisch Gmund, Germany) and Wolfgang Holbein (Alfdorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular system (11) for a belt tensioner (10) comprising a spur gearing (18) comprises plural step wheel pairings of a first step wheel (28) and a second step wheel (30), wherein for each of the step wheel pairings the number of teeth of the first step wheel (28) and the number of teeth of the second step wheel (30) are different ...