ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,761, issued on March 17, was assigned to KOMATSU LTD. (Tokyo).
"Ripper point attachment structure and ripper point" was invented by Yudai Furudate (Tokyo), Masakuni Ueda (Tokyo), Daijirou Tanaka (Tokyo), Jinnai Hatsushi (Tokyo) and Monta Kondou (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ripper point attachment structure in a ripper device includes a ripper shank including a main body portion and a nose portion, and a ripper point including an internal space. The nose portion includes a distal end portion, a proximal end portion contiguous with the main body portion, and a linking portion. An outer periphery of a cross section cutting t...