US Patent Issued to C.M.E. BLASTING & MINING EQUIPMENT on May 20 for "Control system for grinding apparatus" (Canadian Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,983, issued on May 20, was assigned to C.M.E. BLASTING & MINING EQUIPMENT LTD. (Oakville, Canada).

"Control system for grinding apparatus" was invented by Bjorn Sjolander (Oakville, Canada) and Bo Thomas Sjolander (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, including a grinding machine, means for holding a rock drill bit to be ground and a support system. The grinding apparatus is equipped with a spindle assembly having an output drive shaft. One of a plurality of grinding tool cups is detachably connected to the output drive shaft for grind...