Patent ID: 7210608

Claim:
An electric stapler comprising: a sheet table; a driver portion arranged on a lower side of the sheet table and including a driver; a clinch mechanism portion arranged on an upper side of the sheet table and including a clincher of an upwardly and downwardly movable type; the clinch mechanism portion and a mechanism for moving the clincher up and down comprising, a feed screw driven by a motor, wherein the feed screw and the motor are located on the upper side of the sheet table, a grounding sensor for detecting grounding of the clinch mechanism portion; a clinch sensor for detecting finishing of clinching a staple by the clincher; and a control portion for stopping to drive to move down the clinch mechanism portion in accordance with a grounding detecting signal of the grounding sensor and stopping to drive to move down the clincher in accordance with a grounding detecting signal of the clinch sensor; wherein the driver and the clinch mechanism portion are made to be opposed to each other by interposing the sheet table, the clinch mechanism portion is moved down to ground on paper on the sheet table, the staple is injected to an upper side by way of a hole of the sheet table by the driver and a leg portion of the staple penetrating the paper is clinched by moving down the clincher of the clinch mechanism portion.