Method and device for driving parcel sorters for installations facilities having considerable changes in levels
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United States of America Patent
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Jun 27, 2017
Grant Date -
Dec 8, 2016
app pub date -
Feb 11, 2015
filing date -
Feb 11, 2014
priority date (Note) -
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Abstract
The present invention concerns a method and system for sorting items comprising movable carriages (10) intended to transport the items, and connected to each other by a link (19), along a track having sections located at levels at different heights linked by ascending and descending slopes, a control system and drive units intended to move the carriages (10). Dedicated thrust units, separate from the drive units, are added on the slopes and are controlled individually by the control system so as to deliver a constant force in order to prevent the carriages (10) experiencing tension at the links (19, 20) as a result of the weight of the items and/or the carriages (10) present on the slopes.
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