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MATERIAL SPREADER ATTACHMENT FOR TRUCKS

  • US 3,693,890 A
  • Filed: 07/02/1970
  • Issued: 09/26/1972
  • Est. Priority Date: 07/02/1970
  • Status: Expired due to Term
First Claim
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1. Material spreading apparatus comprising:

  • a frame adapted for attachment to a supporting vehicle, a rotatable distribution disc means mounted on said frame, a friction wheel means rotatably mounted on said frame and operatively coupled to said distribution disc means so as to produce rotation thereof in response to rotation of said friction wheel means, said friction wheel means being adapted for longitudinal movement along its rotational axis, and wherein said longitudinal movement varies the rotational speed transmission ratio between said friction wheel means and said distribution disc means, a drive means coupled to said friction wheel means and adapted to produce rotation thereof;

    a material feed means adapted to discharge material onto said distribution disc means, said material feed means comprising a hopper means mounted on said frame and adapted for mounting on a truck bed;

    material feed coupling means operatively coupling said feed means to said drive means; and

    adjustable regulator means for producing said longitudinal movement of said friction wheel means.

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