Patent ID: 9731429
Date: 2017-08-15
CPC Classifications: B26D,B41J,Y10T

Claim:
1. A sheet cutting device, intended for use in a printer, comprising: a fixed blade having a center portion, a root portion, a blade edge portion, and a side opposite the blade edge portion, the blade edge portion of the fixed blade having two ends; a movable blade configured to cut a sheet of printed paper by moving, in an engagement direction toward the fixed blade, and having a V-shaped blade edge portion; and the fixed blade being curved so that the center portion, in a blade width direction of the fixed blade, protrudes toward the movable blade; the fixed blade support device comprising: the support member comprising: wherein: the sheet cutting device further comprises a spring holder, provided separately from the fixed blade support member, mounted between the base surface portion and the coil spring so as to position the one or more coil springs; the second retainer portions are arranged through intermediation of the one or more coil springs; and