Optical cutting edge locator for a cutting apparatus

Details Optical cutting edge locator for a cutting apparatus Optical cutting edge locator for a cutting apparatus

B - Operations, Transporting

62

D

164/62

B62D 5/00 (2006.01) B23D 33/12 (2006.01)

Patent

CA 1188212

Abstract of the Disclosure An optical cutting edge locator for a cutting machine having a knife for cutting single or multiple sheets of material comprises a light source, a light-projecting system above the knife for downwardly projecting a beam of light from the light source along a planar surface of the knife generally perpendicular to the material, thereby to cause a shadow to be cast by the cutting edge of the knife and to create a line between a shadow area and a light area on the material in substantially the same plane as the cutting edge. The light-projecting system includes either a plurality of fiber optic transmission lines having light-emitting ends mounted above the knife or an elongated slot above the knife. The plane of the planar surface of the knife generally bisects either the light-emitting ends of the fiber optic transmission lines or the elongated slot so that the beam of light being downwardly projected is split by the planar surface of the knife.

409858

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