ADJUSTABLE CURVED TUNNEL CONVEYOR SYSTEM
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United States of America Patent
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Issued Date -
Jul 6, 2023
app pub date -
Dec 28, 2022
filing date -
Dec 30, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and method that allows a conveyor belt operator to manually adjust a moving conveyor belt pitch around a curve in a confined space such as a tunnel, while also automatically adjusting skew to restore conveyor belt drift. The apparatus includes a rail pair between which a set of trough rollers, and a lower elevated return roller set, are adjustably mounted. The trough roller set is releasably and adjustably secured to brackets that can slide along a respective rail while the return rollers are also releasably coupled to respective sliding brackets on respective rails. Couplings are used to adjustably secure the trough roller set, and return roller set, to respective brackets by either selecting different bracket elevation attachment points and/or by changing couplings' length. A second set of trough rollers can also be slidably/adjustably mounted on the rails with the return rollers being located between the two trough roller sets.
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