Patent ID: 9540847
Date: 2017-01-10
CPC Classifications: E05B,Y10T

Claim:
1. A magnetic, anti-tampering locking device comprising: a lock comprising a case with a generally hollow interior and a tumbler set inside of side hollow case; said case attached to a wall or a door; said case having a bolt aperture; a lock bolt sized to slide through said bolt aperture; a tumbler set having a multiplicity of levers, wherein said tumbler set is rotatably attached in the interior of said case and wherein if a lever is not positioned correctly said lock bolt is held from sliding through said bolt aperture; a key cylinder mechanically engaged with said tumbler set; a key having teeth, wherein said key is insertable into said key cylinder and wherein if the key is turned the key's teeth act to position the levers; a locking assembly inside of said case, said locking assembly further comprising a carriage and a locking dog; said locking dog rotatably attached to said carriage, and wherein said locking dog has a multiplicity of locking dog magnets attached; a compression spring positioned such that said compression spring maintains constant positive pressure on said locking dog such that said locking dog holds said key cylinder in a locked position; said key further comprised of a multiplicity of key magnets said key magnets being paired with said locking dog magnets, and wherein said poles of said pairs are of the same polarity; wherein the repellent power of said magnet pairs sufficient to rotate said locking dog against said compression spring allowing said key cylinder to move to an unlocked position; and wherein in order to unlock said locking device said key teeth must position said levers in a given position and said magnet pairs must rotate said locking dog.