Patent ID: 6609401
Filing Date: 2003-08-26
Classification: B25B,F16B,Y10S,Y10T

Abstract:
A car wheel anti-theft device comprising in combination:a lug nut adapted to be installed onto a bolt securing said car wheel, said lug nut having a round external side surface and a front surface with a key projection of a particular shape placed thereon, said lug nut also having a sleeve engaging means extending from said external side surface at a location opposite said front surface, a sleeve having a lug nut engaging means extending inside said sleeve, said means adapted to engage with said sleeve engaging means of said lug nut allowing said sleeve to freely rotate about said lug nut when said sleeve is placed onto and about thereof, said sleeve covering the external side of said lug nut to form a cylindrical space therebetween, and an individual wrench having a cylindrical portion sized to be placed into said cylindrical space between said lug nut and said sleeve, said wrench also having a bottom surface of said cylindrical portion with a key opening having a shape complementing said particular shape of said key projection.