Patent ID: 6848282
Filing Date: 2005-02-01
Classification: B62D,Y10T

Abstract:
1. A security device for a kingpin, comprising: a vertically-oriented tube having upper and lower ends and an inner diameter sufficient to slidably receive a kingpin of predetermined dimensions therein; a conical shaped shell mounted on the tube and tapering from a large diameter at an upper end to a small diameter at a lower end, the shell having a central axis coaxial with a central axis of the tube; and an operable lock mounted on said tube, said lock operable between a locked position securing a horizontal pin in a first position projecting within an interior cavity of the tube, and an unlocked position permitting movement of the pin to a second position withdrawn from the interior cavity of the tube; wherein said shell is formed of a plurality of gussets projecting radially outwardly from the tube.