Patent ID: 7624678

Claim:
A crank roller paper cutting device, comprising: a base; a supporter having open bores, said supporter coupled to said base and extending upwardly therefrom; a handle rotatably coupled to said supporter; a master roller having a first end rotatably coupled to said supporter and an opposing second free end; a slave roller positioned below the master roller and having a first end rotatably coupled to said supporter and an opposing second free end a removable positioning block having two open bores or holes corresponding to the second free hands of the master roller and the slave roller, the removable positioning block is suspended in the air; a group of speed reducing gears coupled to said handle, said master roller and said slave roller wherein the handle correlates to the master roller and slave roller at the first ends of the master roller and the slave roller, the master roller and the slave roller captured by the open bores of the supporter, while the second free ends of the master roller and the slave roller are suspended in the air to which the removable positioning block is attachable; and a plurality of multiple layer removable regulating cylinders or one removable regulating cylinder in different thickness disposed around at least one of the master roller and the slave roller to change the effective thickness of the respective master roller or the slave roller.