FIRST CERTIFICATE OF ADDITION TO THE PATENT N. 200.602.530: SHEAR FOR CUTTING GRADES OF GREAT FORMAT BOTH CERAMICS AS COATED WITH PLASTER.

摘要

Shear for cutting large-format bricksboth ceramic and plaster coated.;Constituted from a frame chassisrectangular of double plates and base formed by the bladefixed bottom. The upper moving blade moves in height,the operator manipulating a manual lever handle whose positionInitial is vertical. Said lever handle moves when operateda group of plates articulated with each other until ending in theupper center of the chassis with two inclined plates that articulatein the upper area of the sides of the chassis. Two platesperforated double fixed to the two inclined plates and to theupper blade, allow to regulate the height of cut. To bothsides of the lower blade there are two platforms with springs thatthey keep them raised above the cut line and thatyield until it falls below that line at the time ofcut.