Gripper support height adjustment device for use in e.g. sheet-fed rotary printing machine, has gripper support pressed against adjusting unit by elastic bar such that elastic bar has high rigidity in sheet drawing direction

摘要

The device has an adjusting unit (47) pivotably supported around an axis (45), where a gripper support (42) is arranged and pressed against the adjusting unit by an elastic bar (43) such that the elastic bar has high rigidity in a sheet drawing direction. The elastic bar is aligned transverse to a sheet transporting direction. The adjusting unit has a polygonal cross section, and a number of supporting surfaces (48) at the circumference.