ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,713, issued on July 15, was assigned to Cubility AS (Sandnes, Norway).

"Sprocket assembly, and a method for assembling or replacing same" was invented by Arne Malmin (Sandnes, Norway) and Arne Thomas Haaland (Sandnes, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sprocket assembly and a method for assembling or replacing same. The sprocket assembly has a hub adapted to be mounted on a shaft, and a sprocket collar having a peripheral surface and an inner surface. The sprocket collar has a split extending between the inner surface and the peripheral surface and is releasably interlocked with the hub. The sprocket collar is made of a flexible...