Patent ID: 7314340

Claim:
A dual-module hole-punching and binding machine, comprising: a housing; a first hole-punching unit having a first handle pivotally connected to an open end of a first horizontal rod, wherein the other end of the first horizontal rod is connected with a first cutting unit having a plurality of first cutting members; a second hole-punching unit having a second handle pivotally connected to an open end of a second horizontal rod, wherein the other end of the second horizontal rod is connected with a second cutting unit having a plurality of second cutting members; a pressing unit having a pressing member to adjust a pressing displacement of the pressing member and a cylindrical rod disposed in the housing; a measurement unit located at front side of the housing and parallel to the pressing unit, having a plurality of notches for a user to measure the thickness of a stack of paper; an adjustment unit having a first adjustment knob to adjust the first hole-punching unit and a second adjustment knob to adjust the second hole-punching unit; and a coil piece affixing unit having a plurality of protrusions equally spaced and parallel to each other, so that an open coil piece may be held by the protrusions and that the open coil piece may be inserted and fitted into the paper stack with holes.