Cross cutter for rolls of materials
AssigneeJagenberg Werke Atkiengesellschaft
InventorDieter Beerenwinkel
Life of this patent
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Abstract
A cross cutter for a web of goods comprises 2 coupled cutter rolls which are driven at the moment of cutting in synchronism with the webs of goods. The driving of the rolls is carried out by a driving motor, an adjustable asymmetrical coupler mechanism and a mechanism for controlling the number of revolutions per unit time of the driving motor. The cutter rolls are directly driven by the driving motor and parallel to the asymmetrical mechanism and the control mechanism is receptive of the actual number of revolutions as a control input from the asymmetrical mechanism.
Claims3
A cross cutter for a moving web, comprising coupled cutter rolls;
- a driving motor directly coupled to the cutter rolls for driving same;
- asymmetrical means driven by the driving motor in parallel with the cutter rolls for producing a control output corresponding to the actual number of revolutions per unit time of the motor;
- and means receptive of the control output for controlling the motor speed to synchronize the cutter rolls with the speed of the moving web.
Dependencies are inferred from the claim text.