ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,273, issued on June 17, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Impact rotary tool" was invented by Akiko Honda (Osaka, Japan), Masaya Sato (Mie, Japan), Takahiro Ueda (Okayama, Japan), Kimitaka Ozawa (Osaka, Japan) and Takashi Kusagawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impact rotary tool includes a hammer, an anvil, an output shaft, a housing, a bearing (first bearing), and a buffer member. The buffer member includes an elastic member. The anvil has a first facing region. The output shaft has a second facing region. The buffer member is interposed between the anvil and the o...