Patent ID: 8414358
Filing Date: 2013-04-09
Classification: B24B

Abstract:
1. A corner bevelling assembly for bevelling corners of glass sheets, the corner bevelling assembly comprising a fixed frame; a movable frame; a grinding wheel; a supporting arm for supporting said grinding wheel and connected to said movable frame; and an actuating device interposed between said fixed frame and said movable frame, and in turn comprising a first powered guide-slide assembly for moving the movable frame in a direction parallel to a longitudinal travelling direction of a work sheet of glass, and a second powered guide-slide assembly for moving said movable frame and said supporting arm with respect to the fixed frame in a transverse direction perpendicular to said longitudinal travelling direction; a reference locator which, in use, is positioned against a longitudinal lateral surface, parallel to said longitudinal travelling direction, of said work sheet; relative-motion means for enabling movement, parallel to said transverse direction, of said reference locator with respect to said supporting arm; detecting means for detecting a position of said reference locator with respect to the supporting arm; and control means for controlling said second powered guide-slide assembly as a function of the position of said reference locator.