US Patent Issued to SANDVIK MINING AND CONSTRUCTION on July 29 for "Shank adapter, rock drilling machine and method" (Finnish Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,952, issued on July 29, was assigned to SANDVIK MINING AND CONSTRUCTION OY (Tampere, Finland).

"Shank adapter, rock drilling machine and method" was invented by Esa Laakkola (Tampere, Finland), Jussi Peurala (Tampere, Finland) and Timo Kela (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shank adapter, rock drilling machine and method of mounting a shank adapter of a rock drilling machine inside a slide bearing element. The shank adapter includes a coupling head and a rotation portion at its opposite ends, and a flushing portion located therebetween. Outer diameters of the coupling head and the rotation portion are both greater th...