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Pipeline padding system

  • US 5,259,699 A
  • Filed: 06/05/1992
  • Issued: 11/09/1993
  • Est. Priority Date: 06/05/1992
  • Status: Expired due to Fees
First Claim
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1. Apparatus for delivering backfill material to a trench, said apparatus comprising:

  • a main frame carrying a storage hopper, a vibrating screen and first conveyor means for transporting backfill material from said hopper to said vibrating screen;

    second conveyor means carried by said main frame for transporting to said trench particles of said backfill material which pass said vibrating screen; and

    hitch means for connecting said main frame to a vehicle having a pair of lift arms, means for raising and lowering said lift arms, a pair of rocker arms pivotally connected to said lift arms, means connected to first ends of said rocker arms for moving said rocker arms relative to said lift arms, and links connected to second ends of said rocker arms, said hitch means including first means for attaching said hitch means to said lift arms and second means for attaching said hitch means to said links, whereby said means connected to said first ends of said rocker arms are operable to adjust the attitude of said main frame and said means for raising and lowering said lift arms are operable to adjust the elevation of said main frame when said main frame is attached to said hitch means.

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