ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,069, issued on Dec. 2.
"Chain sensor device and method for determining wear" was invented by Thomas Wolf (Erdweg, Germany) and Josef Siraky (Donaueschingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method of determining the elongation of segments of a chain during operation, comprising the following steps: Performing a first detection to determine a position of a first chain component and detecting a first measurement value, performing a second detection to determine a position of a second chain component and detecting a second measurement value, and determining the distance L between the first and the second ...