Patent ID: 8316746

Claim:
A trimming apparatus for trimming print products, comprising: a first trimming station comprising: a movable press crosshead adapted to press down the print products; and a movable upper knife and a fixed lower knife adapted to trim the print products; a first drive adapted to move the movable upper knife in a cutting motion, the first drive further adapted to simultaneously move the movable press crosshead; a second drive adapted to move the movable press crosshead in a direction opposite to the cutting motion independently of movement of the movable upper knife; a conveying device adapted to convey the print products; a control unit adapted to control at least the first drive and the second drive, wherein the control unit operates the second drive to move the movable print crosshead in the direction opposite to the cutting motion before the first drive moves the upper knife in the direction opposite to the cutting motion; a gear mechanism including a coupling mechanism, wherein the gear mechanism connects the second drive to the press crosshead; and a yoke supporting the movable upper knife, wherein the gear mechanism is arranged on the yoke.