公开(公告)号：US09915588B2

公开(公告)日：2018-03-13

申请号：US15045703

申请日：2016-02-17

Applicant: SNAP-ON EQUIPMENT S.R.L. A UNICO SOCIO

Inventor： Francesco Braghiroli

IPC: G01M17/02 ,  G01B11/02 ,  G01B11/24

CPC classification number: G01M17/027 ,  G01B11/026 ,  G01B11/2408

Abstract: An apparatus for the maintenance of wheels of vehicles, like a balancer or a device for mounting/dismounting tires, comprises a support adapted to support a rim of a wheel of a vehicle. A device for detecting the eccentricity of a tire of the wheel is mounted on the support. Such device comprises an optical system configured to capture a light beam reflected by a tread of the tire and focus it on a point of an optical sensor. The optical sensor emits a signal indicative of an average value of a radial distance of the linear portion from the main axis. A control unit processes a plurality of average values corresponding to different linear portions of the tread and obtained during the rotation of the tire, and detects the eccentricity of said tire.