ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,661, issued on April 7, was assigned to YAMABIKO Corp. (Tokyo).
"Operating lever mechanism for electric handheld working machine" was invented by Kunio Shimizu (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an operating lever mechanism including: a trigger lever to actuate an electric working device; a slide member provided to be able to slide in a direction in which the handle extends, the slide member being configured to lock the trigger lever when the slide member is not operated, and to unlock the trigger lever when the slide member is slid; and a grip lever operated by gripping the handle by one hand, the grip lever bei...