Sheet feeder for a machine for processing material in sheet form, such as paper, cardboard or films
AssigneeBobst Grenchen AG
InventorStefan WICK
Life of this patent
Estimating the term…
Abstract
Sheet feeder (4) for a machine (1) for the processing of sheet material such as paper or films, having a drive shaft (10), which extends substantially perpendicular to a sheet feeding direction and is provided with at least one suction gripper (12), which is rotated above the sheet material, when the drive shaft (10) is driven, wherein the suction gripper (12) is repositionable between an inactive position, in which it does not cooperate with the sheet material, and an active position, in which it can grip on the top side of the sheet material and carry this along.
Claims16
A sheet feeder for a machine for the processing of sheet material such as paper or films, comprising:
- a drive shaft, which extends substantially perpendicular to a sheet feeding direction and is provided with at least one suction gripper, which is rotated above the sheet material, when the drive shaft is driven,
- wherein the suction gripper is repositionable between an inactive position, in which it does not cooperate with the sheet material, and an active position, in which it can grip on the top side of the sheet material and carry the sheet material along.
Dependencies are inferred from the claim text.