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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-2026042608-A1, on 12 February 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-2026-000002940

Apparatus and method for scheduling sequenced delivery of items in a multilevel store facility

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Classification
Material Handling › Conveying Systems
Inventors
DOWNEY ALEXANDER, HUANG RICK YOUPING
Assignee
SYMBOTIC LLC
Original source
US-2026042608-A1, the United States Patent and Trademark Office, 12 February 2026
Document SHA-256
eaa436e4ce53960848effef35c207dd62f48d6d119066f9826c865c28a30e0a7

Abstract

A product order fulfillment system includes: a multi-level transport system, each level thereof having a corresponding independent asynchronous level transport system; a lifting transport system with more than one independent lift axis, in a common lift cell, each of the more than one independent lift axis being configured to independently hold and transport the at least one case along a trajectory; and a controller operably coupled to the multi-level transport system and the lifting transport system; where the asynchronous trajectories of the common lift cell output an ordered sequence of mixed cases in accordance to a predetermined case out ordered sequence of mixed cases; and where the controller is configured to heuristically generate optimal trajectory solutions for the asynchronous trajectories, and assign the at least one case to at least one asynchronous level transport axis based on at least one qualitative metric characterized by the optimal trajectory solutions.

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Citation

OpenTechnical Publication OT-2026-000002940, “Apparatus and method for scheduling sequenced delivery of items in a multilevel store facility,” published September 15, 2026 at 19:16:16 UTC, https://opentechnical.org/p/OT-2026-000002940.

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