ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,164, issued on May 27, was assigned to NOK Corp. (Tokyo).
"Sealing device" was invented by Nobuyuki Eguchi (Kitaibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing device in which damage on a resin seal by a plate spring can be suppressed is provided. The sealing device includes a metal ring 110, a resin seal 120 which is deformed on the radially inward side to be curved toward a sealed-region side and, in this state, slidably in close contact with an outer surface of a shaft 200, and a plate spring 130 which presses a radially inward side of the resin seal 120 radially inward, wherein, a bent portion 133 in which a part of a dis...