ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,062, issued on Aug. 12, was assigned to CONTRAPTION COLLECTION LLC (Albuquerque, N.M.).
"Locking mechanism for folding devices" was invented by David C. Van Dyke (Albuquerque, N.M.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Designs and methods of operation for balitools such as balisongs, butterfly knives, and baliscissors. Two cylindrical locking pins that connect the handles and the tool or blade(s) have semicylindrical protuberances that are trapezoidally arranged. This enables both the use of tapered handles and smooth rotation of the handles with respect to the tool or blade(s) while requiring only a single button assembly to switch between...