Patent ID: 7159748

Claim:
A stapling device with two or more stapling heads for stapling sheet-like material, wherein the improvement comprises a staple carriage having at least two or more stapling heads wherein at least one stapling head ( 4 , 5 ) is adjustable to the other and a staple head drive unit ( 9 , 10 , 45 , 46 ) is provided for setting the distance between the stapling heads ( 4 , 5 ) and a clincher assembly having at least two clinchers ( 13 , 14 ) with a clincher drive unit ( 19 , 20 , 45 , 46 ) for adjusting at least one clincher and a clamping device ( 34 , 35 , 36 , 37 ) wherein said two clinchers and said two or more stapling heads move longitudinally in substantially synchronous movement with said sheet like material during stapling and said clamping device includes a pressure component ( 34 , 35 , 36 , 37 ) to exert a force perpendicular to the shifting direction of the corresponding said at least one stapling head or said at least one clincher.