ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,417, issued on March 11, was assigned to PHC HOLDINGS Corp. (Tokyo).
"Locking device and refrigeration device" was invented by Tadashi Okada (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A locking device includes a lever configured to sway around a rotation axis and including a restriction part restricting an operation of a handle, a hole, and an attaching portion where a moving member configured to move in accordance with an operation of an actuator is attached; and a pressure member disposed in the hole and configured to make a first back-and-forth movement in accordance with an unlocking operation of a key. The pressure member m...