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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-2026084908-A1, on 26 March 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000001424

Device and method for unstacking a stack

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Classification
Material Handling › Conveying Systems
Inventors
D'ANGELO DENNIS, DEMIR SUAT, DETTKE STEFAN, DIEHL AXEL, DIEWS MICHAEL, HASENZAHL STEFAN, KNÖBL DOMINIK, MAIER STEFAN, MÄRZ RALF, MUTSCHALL STEFAN, NEEB STEFFEN, ÖSTREICHER MICHAEL
Assignee
HEIDELBERGER DRUCKMASCH AG
Original source
US-2026084908-A1, the United States Patent and Trademark Office, 26 March 2026
Document SHA-256
b063e77f0db36955fdea647fd6f2e233c57cbbce6d3b27b7d489d32735add5f8

Abstract

A device for unstacking a stack that is constructed of part-stacks of flat printed products arranged next to one another and on top of one another. The device has a separating apparatus for forming a gap between a respective part-stack and the stack, and a gripping apparatus for gripping and lifting the respective part-stack utilizing the gap. A first robot moves the gripping apparatus during unstacking and a second robot moves the separating apparatus separately. The two robots may be structurally identical gantry robots on a common gantry frame. The processing speed may be increased when depalletizing stacks due to process parallelization. The unstacking process is particularly suitable in a postpress context where printed products are further processed.

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Citation

OpenTechnical Publication OT-2026-000001424, “Device and method for unstacking a stack,” published September 15, 2026 at 19:05:45 UTC, https://opentechnical.org/p/OT-2026-000001424.

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