ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,679, issued on May 13.
"Security door mounting arrangement" was invented by Brett Dunstan (Cranbourne, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A security door mounting arrangement for a safe (10) including a substantially rectangular-shaped block for the body (20), having a base (22), a rear wall (in the direction (23), a pair of side walls (24) and a top (25), all defining the cavity (21), and an opening (in the direction (26)) defined by a door jamb (27). A hinged door (40) includes a locking assembly (60), including a crank assembly (62). The crank assembly (62) includes a central crank (63) comprising a disc plate substantially ...