Winch Assembly of a Load Handling Device
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Jan 14, 2022
filing date -
Jan 15, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A load handling device is provided for lifting and moving containers stacked in a storage system including a grid framework. The load handling device includes a vehicle body housing a wheel drive mechanism and a wheel assembly. A container lifting assembly comprising a container gripping assembly, a plurality of winch assemblies each includes a rotatable drum and a lifting tether anchored at a first end to the gripping assembly and at a second end to the drum, and a drive assembly configured to drive rotation of the drums to raise the gripping assembly into a container receiving space. Each drum has an outer surface configured to accommodate a plurality of axially displaced turns of the lifting tether across the drum.
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