US Patent Issued to METSO USA on Dec. 9 for "Gyratory crusher, a method for rotating an upper crusher frame and a retrofitting kit" (Australian Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,518, issued on Dec. 9, was assigned to METSO USA INC. (Brookfield, Wis.).

"Gyratory crusher, a method for rotating an upper crusher frame and a retrofitting kit" was invented by Carl Nicholls (Forrestdale, Australia) and Ian VanZyl (Baldivis, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gyratory crusher for comminution of material fed into the crusher. The gyratory crusher includes an upper crusher frame for supporting one or more wear parts. The upper crusher frame is configurable between an operation mode and a rotation mode. The gyratory crusher further includes a lower crusher frame, wherein the upper crusher frame in the operation ...