US Patent Issued to BRIDGESTONE on July 21 for "Hydraulic actuator" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,185, issued on July 21, was assigned to BRIDGESTONE Corp. (Tokyo).

"Hydraulic actuator" was invented by Shingo Oono (Tokyo) and Kazuaki Nomura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic actuator includes a cylindrical tube, a sleeve, a restricting member, first and second sealing members, and a positioning member. The tube expands and contracts with pressure of a fluid. The sleeve covers an outer circumferential surface of the tube, and is widened in radial directions by expansion of the tube while limiting elongation of the tube in an axial direction S. The restricting member is provided radially inward of the sleeve, from on...