ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,868, issued on Aug. 26, was assigned to MIRANDA & IRMAO LDA (Agueda, Portugal).
"Crank set with chain guard ring and fastening element" was invented by Joao Filipe Tavares Miranda (Agueda, Portugal).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crank set for a two-wheeler, the crank set comprising a crank with a crank spider, a chainring and a chain guard ring, the chainring being fastened to the crank spider by fastening elements, and the fastening elements pressing the chainring and the crank spider against one another along a pressing direction. A clamped area of the chain guard ring is clamped in a clamping zone between at least one of the fas...