Patent ID: 9359145
Filing Date: 2016-06-07
CPC Classification: B23K,B65G

Claim Text:
1. A roller driven device for roller conveyors, comprising: a cylindrical and tubular roller configured to rotate around its geometric axis and having at each end a respective first lateral wheel and a second lateral wheel, wherein at least the first lateral wheel has a tubular cylindrical element having at its end facing the second lateral wheel a first flange and at the opposite end a second flange, wherein both the first flange and the second flange are in the shape of a annulus; a pulley fixed to the outer surface of the roller adjacent to the first lateral wheel to transmit to the device an axial rotary motion; and a ring with an axial length between two thirds to one twentieth of the axial distance between the first flange and the second flange of the first lateral wheel, wherein the outer surface of the ring is engaged and fixed to a central hole of the first flange, wherein an end of the ring is positioned between the first flange and the second flange and the end of the ring is fixed to the outer surface of the roller, wherein an end portion of the roller is fixed to the central hole of the second flange.