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Mobile conveying apparatus having a gear-to-gear driven swing assembly

  • US 7,726,904 B2
  • Filed: 01/22/2007
  • Issued: 06/01/2010
  • Est. Priority Date: 01/22/2007
  • Status: Active Grant
First Claim
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1. A mobile material placer comprising:

  • a body;

    a material hopper coupled to the body and configured to receive and store material;

    a feeder conveyor coupled to the body, the feeder conveyor configured to receive material stored by the material hopper;

    a placer conveyor pivotally coupled to the body about a substantially vertical axis and having an in-feed end and a discharge end, the in-feed end of the placer conveyor alignable with a discharge end of the feeder conveyor, the placer conveyor including a first drive mechanism configured to pivot the placer conveyor about the vertical axis, the first drive mechanism including a first gear and a second gear fixedly mounted to the placer conveyor, the first gear operatively coupled with the second gear to cause the placer conveyor to pivot about the vertical axis, the placer conveyor further including a conveyor belt; and

    a second drive mechanism operatively coupled to the conveyor belt, the second drive mechanism and the conveyor belt configured such that in operation the conveyor belt is driven by the second drive mechanism at a linear velocity of at least 2,000 ft/min, the first gear and the second gear of the first drive mechanism enabling the placer conveyor to be held at a desired pivotal position about the vertical axis while being driven at the linear velocity of at least 2,000 ft/min such that a material is accurately thrown from the placer conveyor to a target site.

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