Patent ID: 6190278
Filing Date: 2001-02-20
Classification: F16G

Abstract:
A power transmission chain comprising:a series of interleaved bushing links and pin links, each said pin link comprising a central plate having a plurality of apertures formed therein, said apertures being spaced apart from each other by a fraction of a pitch said central plate having opposite faces provided with a plurality of spaced pins, said plurality of spaced pins each being press fit in a corresponding one of said apertures, said spaced pins protruding from said central plate alternately from said opposite faces, said spaced pins being spaced apart from each other by a fraction of a pitch, each of said spaced pins having a fixed end fit in one of said apertures and a free end, each said pin link having a pair of outer link plates each of said outer link plates having a pair of apertures for fixedly receiving said free ends of said pins,each said bushing link having a pair of bushings mounted to turn on said pins of said interleaved pin links, said bushing links having bushing link plates fixedly mounted to said bushings, each bushing link plate having a pair of apertures for receiving said pair of bushings, said outer link plates maintaining said bushing links along said pins between said outer link plates and said central plate.