Patent ID: 6152007
Filing Date: 2000-11-28
Classification: B26D,B26F,G07B,Y10T

Abstract:
A sheet cutter comprising:a housing having an upper plate, and a lower plate, each having a sheet passing opening;a fixed blade mounted on the lower plate and having a straight edge extending in a first direction perpendicular to a paper feedinq direction;a movable blade having an oblique edge formed on a first side extending in a direction making a first angle with the straight edge of the fixed blade,a flexible rib formed on the movable blade in parallel with the edge of the movable blade by bending the movable blade in sectional shape of an inverted U-shape;the movable blade being supported on the straight edge of the fixed blade at the oblique edge and on the lower plate at a second side opposite to the first side so that the movable blade is held in an inclined condition;pressing means mounted in said housing and having a pressing end parallel to the straight edge of the fixed blade, so that the pressing end intersects with the rib of the movable blade for pressing the edge of the movable blade against the edge of the fixed blade at the intersection; and,a driving device mounted in said housing for moving the movable blade toward and away from said fixed blade.