Patent ID: 6481807
Filing Date: 2002-11-19
Classification: B62D,F16C

Abstract:
A sliding roller for tracks of tracked vehicles, comprising a supporting shaft which is composed of two coaxial portions and a central collar, supporting bushings which are arranged on said coaxial portions on either side of said collar, a cylindrical shell which forms sliding surfaces for said tracks, said shell enclosing a cavity for accommodating said bushings and said shaft, said cavity having opposite ends closed by closure covers and sealing devices, said sealing devices being arranged between said bushings and said closure covers, wherein said cavity is provided at one end with an inner shoulder and said collar and at least one of said bushings are locked in said cavity between said inner annular shoulder of said cavity and means for axial retention of said bushing which are rigidly coupled to said cylindrical shell, and wherein a first one of said bushings is formed monolithically with said shell and forms said inner annular shoulder for the abutment of said central collar of said shaft, said collar and a second one of said bushings being retained inside said cavity between said annular shoulder and an elastic ring which is arranged at the end of said cavity that lies opposite said shoulder.