Patent ID: 7637489

Claim:
A stitching apparatus for manufacturing printed products, the stitching apparatus comprising: a stitching carriage for conveying a stack of signatures; a stitching head holding bar; a stitching head drive bar being movable up and down; at least one stitching head being disposed on said stitching head holding bar for shaping and driving a staple into the stack of signatures; a clinch box for closing the staple driven through the signatures; an actuating device for vertical displacement of said stitching head to adapt the stitching apparatus to a thickness of the stack of signatures, said actuating device including a first swinging arm for vertical adjustment of said stitching head and a second swinging arm for controlling movement sequences of said stitching head, said first swinging arm and said second swinging arm being coupled to one another; said first swinging arm being mounted on said stitching head holding bar on one side for vertical adjustment of said stitching head; and said second swinging arm swinging about a fulcrum and being mounted on said up and down movable stitching head drive bar on one side, for controlling movement sequences of said stitching head.