Patent ID: 8905285

Claim:
An electric stapler comprising: a driver unit including a driver for striking out a staple to be penetrated through sheets of paper; and a clincher unit including a clincher for bending leg portions of the staple penetrated through the sheets of paper, wherein the driver unit includes: a staple storage portion for storing therein a large number of connected staples, a head portion for striking out the staple, and a drive portion configured to drive said driver provided slidably in the head portion, wherein the staple storage portion, the head portion, and the drive portion are aligned horizontally with respect to a driving direction of the driver such that the head portion is disposed between the staple storage portion and the drive portion in the horizontal direction; a head raise/lower mechanism configured to relatively move the head portion with respect to the staple storage portion toward the clincher unit to clamp the sheets of paper; and an operation member including an operation plate slidable along a strike-out portion and engageable respectively with the driver and the head portion, wherein the head raise/lower mechanism includes, an operation cam operatively connectable to an electric motor of the drive portion; and an operation link capable of being swung by the operation cam, a leading end of the operation link being engageable with the operation plate of the operation member, wherein the drive portion includes, a main cam formed integrally with said operation cam; and a main link capable of being swung by the main cam, a leading end of the main link being engaged with the driver, and wherein a guide shaft is fixed to the operation link and configured to slide in a vertical direction along a guide groove formed in the driver, and the main link rotates about the guide shaft.