ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,046, issued on May 19.

"Disc detainer lock" was invented by Nicholas David Freville (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved disc detainer lock designed to enhance security by preventing lock picking. The lock features multiple rotatable discs, each with a code gate that aligns with a code sidebar when the correct key is used. A synchronizer is incorporated to engage the discs and rotate them simultaneously, preventing independent manipulation. This synchronization ensures that all discs co-rotate, making the lock resistant to picking attempts."

The patent was filed on Sept. 26, 2024, under Application No. 18/897,780. ...