Patent ID: 8408971

Claim:
A grinding assembly for bevelling corners of glass sheets, the grinding 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, 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 locator carried by said supporting arm, for keeping a lateral surface, parallel to said transverse direction, of said work sheet in a longitudinally fixed position with respect to said grinding wheel; and a compensating device comprising a third guide-slide assembly and flexible means, and which allows said supporting arm to move with respect to said movable frame in a direction parallel to said longitudinal travelling direction.