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y difficult substance to cut, and requires a strong knife to pass through any considerable quantity.
The knife must also have a draw or shear cut, and requires frequent grinding.
One form of paper-cutter is a straight-edge and traveling knife.
Another has a revolving traveling knife sliding on a bar parallel with a stationary knife which acts as one blade of a shears.
Another form has a knife hinged at one end, which descends on a pile of paper with a shear cut. See card-cutter.
Sanborn's paper-cutter (Fig. 3524) has a cast-iron frame which sustains the horizontal bed T′ upon which the paper to be cut is placed.
Working through vertical slots or guides, formed in the upper part of the frame just mentioned, is the knife-stock Z, which carries the knife or cutter, the latter being detachable, so that when required it may be removed for sharpening.
The cutter-stock is suspended from a horizontal cross-piece at the top of the frame by means of two toggles or swinging-bars,