Longitudinal cutting and/or grooving machine for material webs in motion, particularly cardboard means

Claim 1

A longitudinal cutting and grooving machine for webs of material, particularly corrugated cardboard webs, comprising: a frame, a plurality of pairs of upper and lower rotating tools positioned on opposite sides of the web, guide means arranged transverse to the longitudinal direction of the web enabling to displace the tools along said guide means, a plurality of drives for the tools and adjustment drives for the displacement of the tools, an actual value counter, a set value indicator and comparing device therefor; means for positioning the pairs of tools, the actual value counters, the set value indicators, and the comparison means; each pair of tools including a pair of upper and lower adjustment spindles, an adjustment drive and means for connecting said adjustment spindles rigidly mechanically to said adjustment drive and the actual value counter; wherein in connections of the adjustment spindles with one another, with the adjustment drive and the actual value counter are disposed on the outsIde of the machine frame; and further including means for driving the upper and lower tools by said adjustment spindles, means for permanently coupling each adjustment spindle and its respective tool to one another, and means including one common motor for driving the upper and lower adjustment spindles of an associated tool pair, wherein the motor is lockingly coupled to the two spindles.