ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,097, issued on July 8, was assigned to PIOLAX INC. (Kanagawa, Japan).
"Stopper device" was invented by Hitoshi Miyamae (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stopper device includes: a base member; a shaft member; a rotary member; a gear member disposed inside the rotary member; a temporary fixing portion configured to temporarily fix the gear member to the shaft member; and a cam mechanism including a cam slope and a cam abutting portion. When the gear member rotates in conjunction with a rotation of the rotary member, the shaft member is ascended by the cam mechanism. The gear member further includes a permanent fixing po...