SUPPORT ROLLER FOR VEHICLE TRACKS

WIPO Patent Application WO/2020/225833

A8

A support roller (1) for vehicle tracks, comprising at least one tubular body (2) which can rotate on a supporting shaft (3) which is integral with a chassis of a vehicle; the at least one tubular body (2) is provided with at least one external surface (4) for the temporary accommodation of a portion of an internal face of a respective chain. The supporting shaft (3) comprises at least three consecutive cylindrical segments (5, 6, 7, 8, 9), which have external diameters which are constant and increase progressively from one segment (5, 6, 7, 8, 9) to the next. The at least one tubular body (2) comprises a cylindrical internal cavity provided with at least one first portion (10) whose shape and dimensions are complementary to those of the segment (8, 9) of said shaft (3) that has the largest diameter and at least one intermediate portion (11), which in the assembly configuration faces and is proximate to a segment (7, 8) of the shaft (3) having an intermediate diameter; the intermediate portion (11) has a different diameter than the first portion (10). An annular interspace for the accommodation of a plurality of rolling elements (13) such as rollers, barrels, balls and the like is formed between the segment (7, 8) having an intermediate diameter of the supporting shaft (3) and the at least one intermediate portion (11) of the tubular body (2).

CALIA EUSTACHIO (IT)
BELLINI ADRIANO (IT)
ECHAMANOV ASKAR (IT)

PCT/IT2019/000032

January 28, 2021

May 06, 2019

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ITALTRACTOR (IT)

B62D55/14

SGOBBA, Marco et al. (IT)

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