Shear for shearing laminar elements, or the like

B - Operations – Transporting – 23 – D

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B23D 19/04 (2006.01)

Patent

CA 2007848

"SHEAR FOR SHEARING LAMINAR ELEMENTS, OR THE LIKE" Abstract The shear for shearing laminar elements or the like comprises a pair of blade-holders, which, during the shearing operation, are stressed by two forces (Fx and Fy) perpendicular to each other and having as their resultant, the force FR. At the shearing time, both of said blade-holders are supported in an inclined position, so that their main axes come to coincide with the direction of said resultant force (FR). From the above, the possibility results that the mass of the inclined blade-holder can be reduced even by 50% relatively to the mass of a traditional blade-holder which is not inclined, without the stiffness of said blade-holder, relatively to the shearing forces, being endangered. The invention can be applied as well to quillotine shears and to rotary shears equipped with roll blade-holders.

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