ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,149, issued on Dec. 30, was assigned to Musashi Seimitsu Industry Co. Ltd. (Aichi, Japan).
"Transmission device" was invented by Ryosuke Asai (Toyohashi, Japan) and Naofumi Butta (Toyohashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a transmission device in which pinion and a large diameter gear each comprise a helical gear and are arranged such that an oil on a tooth surface is pushed from a mutual meshing portion to one side in an axial direction of the pinion during the forward rotation of the large diameter gear, and a fluid restriction wall configured to oppose the oil pushed from the meshing portion to the one side in th...