Theft deterrent for office machines and small factory tools

Claim 1

In a theft deterrent, the combination of a tethering cable device between an equipment intended to be protected against theft and an anchoring member, said device having means not easily severed or pulled off from either said equipment or anchoring member; said cable device comprising a metal wire cable that is plastic coated, and the ends of said cable each being affixed to a lug by weld or other means, and one said lug being secured to said equipment and the other said lug being secured to said anchoring member; a warning unit being installed around an intermediate portion of said cable, said warning unit including a housing comprised of a pair of intersliding sleeves each of which is affixed to spaced-apart points on said cable, a portion of said cable between said points being in a normally slack condition so to permit slidability of said sleeves respective to each other, a battery, buzzer and switch within said housing, said switch comprising a leaf spring contact secured to one sleeve which engages a contact on the other said sleeve when said sleeves are slided in a direction away from each other against a normally resisting spring means, so to close an electrical circuit between said buzzer and battery for audibly warning that said cable is being stressed by pulling.