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Machine for laying film material

  • US 4,513,530 A
  • Filed: 06/22/1983
  • Issued: 04/30/1985
  • Est. Priority Date: 06/22/1983
  • Status: Expired due to Fees
First Claim
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1. A machine for laying film material on the ground for agricultural purposes, comprising:

  • a skid plate having coupling means adapted to associate said machine with a vehicle;

    a pair of laterally-spaced film roll brackets mounted on said skid plate;

    roll-support means engageable with said brackets;

    a pair of laterally-spaced arms pivotally mounted on said roll brackets, respectively, and a pressure roller rotatably mounted at the opposite ends thereof on said arms, respectively;

    laterally-spaced groove-forming means mounted on the underside of said skid plate;

    scraper plates mounted on structure fixed with respect to said skid plate and disposed to scrape earth into the groove formed by at least certain of said groove-forming means;

    a frame secured to said skid plate and having laterally spaced cantilever sides;

    a pair of trailing links pivotally attached to said frame sides, respectively;

    an axle secured at its opposite ends, respectively, to said links;

    wheels constituting film-depressing members rotatably mounted on said axle in rearward alignment with said groove-forming means, respectively;

    a cross-member of said frame secured to said frame side members at the opposite ends thereof from said skid plate, said scraper plates being mounted on said cross-member; and

    biasing means extending from said trailing links to said cross-member urging said wheels downward.

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