ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,255, issued on April 21, was assigned to NSK LTD. (Tokyo).
"Method for producing worm wheel, and worm wheel" was invented by Atsushi Miyazaki (Maebashi, Japan), Tomohiro Arai (Maebashi, Japan), Haruhiko Kiyota (Maebashi, Japan) and Takeshi Yamamoto (Maebashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a worm wheel including an inner wheel element including a side plate portion and a tubular eave portion, and an outer wheel element including a wheel tooth portion on an outer circumferential surface thereof, and coupled and fixed to the inner wheel element in a manner of covering a radially outer portion of the si...