Lifting sucker with pneumatically controllable suction cup and punch and sheet-fed rotary printing press having the lifting sucker

摘要

A lifting sucker for separating sheets from a sheet stack includes a suction cup formed as a double-walled bellows sucker having at least one suction chamber that can be acted on pneumatically to contract the bellows sucker. A punch and a sheet-fed rotary printing press having the lifting sucker are also provided.