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Trailer and unloading device

  • US 8,500,383 B2
  • Filed: 08/03/2011
  • Issued: 08/06/2013
  • Est. Priority Date: 08/03/2010
  • Status: Expired due to Fees
First Claim
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1. A trailer for unloading a generally cylindrical object, said trailer comprising:

  • a. a frame spanning the length of said trailer, wherein said frame comprises a first and a second I-beam rail;

    b. a chock slidably engaged with said frame, wherein said chock is moveable in a first and second direction along the length of said frame, and wherein said first and second directions are located within a single plane, wherein said chock comprises a drive mechanism, wherein said drive mechanism is configured to move said chock in either said first or said second direction along the length of said frame;

    c. a stop pivotally secured to said chock, wherein said stop may be actuated between a first and second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, wherein a top surface of said pair of I-beam rails is slightly above said single plane, and wherein said I-beam rails are parallel with respect to one another;

    d. a front roller assembly slideably engaged with said frame, wherein said front roller assembly is moveable in said first and second direction along the length of said frame, wherein said front roller assembly comprises two opposed front rollers, wherein said front rollers are configured to be actuated between a first and a second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, and wherein said front rollers are mechanically engaged with an actuator;

    e. a rear roller assembly slideably engaged with said frame, wherein said rear roller assembly is moveable in said first and second direction along the length of said frame and moveable along the length thereof, wherein said front roller assembly is positioned between said chock and said rear roller assembly, wherein said rear roller assembly comprises a drive mechanism, wherein said drive mechanism is configured to move said rear roller assembly in either said first or said second direction along the length of said frame, wherein said rear roller assembly comprises two opposed rear rollers, wherein said rear rollers are configured to be actuated between a first and a second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, and wherein said rear rollers are mechanically engaged with an actuator; and

    ,f. an unloader positioned at the rear end of said frame.

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