Patent ID: 8336431

Claim:
A method for trimming multiple edges of a print product over the course of several processing steps of a processing cycle using a trimming apparatus, the method comprising the following processing steps: feeding the print product from a stacking device to a trimming device using a feeding device; measuring a thickness of the print product; pressing the print product onto a trimming table using a pressing die; trimming the print product positioned on the trimming table using knives associated with the trimming device; and releasing the pressing die from the trimming table and removing the trimmed print product from the trimming table; wherein the pressing die and the knives are driven by separate drives that are controlled by a control unit; further wherein the duration of the steps of feeding, pressing down, and releasing is varied based on the measured thickness of the print product, while the step of trimming includes a knife movement that includes a forward stroke and a backward stroke that is substantially constant in duration despite the measured thickness of the print product.