ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,020, issued on Jan. 13, was assigned to KOMATSU LTD. (Tokyo).

"Ripper point attachment structure and ripper point" was invented by Yudai Furudate (Tokyo), Daijirou Tanaka (Tokyo), Masakuni Ueda (Tokyo), Monta Kondou (Tokyo) and Jinnai Hatsushi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "With a ripper point attachment structure, a pin member is inserted into a first pin hole formed in a ripper shank and a second pin hole formed in a ripper point. A locking member is engaged with the pin member to prevent the pin member from coming loose. The ripper point includes an opening, an internal space and a guide groove. The opening is formed at a r...