Patent ID: 7948640
Filing Date: 2011-05-24
Classification: B23Q

Abstract:
1. A device for locating a workpiece with respect to a tool, comprising: a pair of abutment rollers abutting against a side of the workpiece, a driving roller operatively abutting against an opposite side of the workpiece, a drive motor coupled to the driving roller for moving the workpiece at a speed and at positions relative to the tool, a measuring device for measuring the speed and position of the workpiece, the measuring device being operative for emitting light between the pair of abutment rollers along an optical path to the workpiece, a control apparatus coupled between the drive motor and the measuring device for controlling the drive motor to control movement of the workpiece as a function of the measured speed and position of the workpiece, and a pivotable support on which the measuring device is pivotably mounted to orient the optical path along which the light is emitted.