ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,675, issued on April 22, was assigned to Orbray Co. Ltd. (Tokyo).
"Clutch device and motor unit" was invented by Yasuyuki Kobayashi (Aomori, Japan) and Ayumu Suto (Aomori, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clutch device includes: an input disk; an output disk; and a biasing member configured to press the input disk and the output disk against each other, the input disk and the output disk contact or separate from each other in an axial direction, and at opposing surfaces thereof, respectively have tooth portions engageable with or disengageable from each other, at each tooth portion, recessed and raised portions extending in a ra...