{
  "abstract": "A conveyor surface adjustment system ( 100 ) includes first and second belt tracking actuators ( 106 a, 106 b ) positionable at opposite first and second sides ( 102 a, 102 b ) of a conveyor belt ( 102 ). An adjustable roller ( 120 ) in movable contact with the belt ( 102 ) has a fixed end ( 120 a ) and an adjustable end ( 120 b ) coupled to an adjustment gear ( 118 ). When the belt ( 102 ) is improperly positioned or aligned towards the first ( 106 a ) or second belt tracking actuator ( 106 b ), the belt ( 102 ) physically contacts or engages the first ( 106 a ) or second belt tracking actuator ( 106 b ). The engaged belt tracking actuator ( 106 a, 106 b ) causes the gear ( 118 ) to rotate in either a first direction or a second direction to move the adjustable end ( 120 b ) of the adjustable roller ( 120 ) to adjust the tension of the belt ( 102 ). This tension change causes the belt ( 102 ) to track towards a corrected position or alignment.",
  "assignees": [
    "DEMATIC CORP"
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  "authors": [
    "HEBBUR SHREEDHAR M"
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  "title": "Automatic self aligning and self sustaining belt tracking system for belted conveyors",
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