ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,509, issued on Nov. 11, was assigned to NSK-WARNER K.K. (Tokyo).
"Ratchet type clutch device and vehicle drive device" was invented by Ibuki Mori (Shizuoka, Japan) and Shinji Okada (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ratchet type clutch device includes outer and inner rings. A shutter plate of the inner ring has restriction tooth portions formed on an outer peripheral surface thereof. When viewed from an axial direction, a state where the restriction tooth portions are misaligned in a first rotation direction for tooth portions and overlap with a part of grooves is set as a closed state of the shutter plate, and a state...