Stack changing apparatus

US4269556A · kind A · utility

Assignee

• Jagenberg Werke AG · DE

Inventor

• Norbert Martini · Erkrath, DE

Key dates

• Filing date: Dec 22, 1978
• Grant date: May 26, 1981
• Expiry date: Dec 22, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S414/106
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

In a stack changing apparatus for sheet ejecting machines having a drop table vertically movable within a first frame structure, the drop table having a pallet to be placed thereon for receiving stacks; and a second vertical frame structure provided behind the first vertical frame structure having a carriage which is movable vertically and parallel to the drop table and, provided with pallet transport elements, is also horizontally movable between the second and the first frame structure, the improvement wherein one of two stacking platforms is alternatively used as the drop table, the platforms being selectively movable to one of the two sides of the first vertical frame structure and their stacking surfaces being below the level of the floor, the apparatus being further provided with an auxiliary skid for each stacking platform, the height of the auxiliary skid being such that when on a stacking platform the top of the skid is substantially level with the floor, each auxiliary skid having take-up elements for the pallet transport elements which can be lowered down to below the level of the floor.