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Agricultural implement for planting seeds

  • US 4,307,674 A
  • Filed: 07/28/1980
  • Issued: 12/29/1981
  • Est. Priority Date: 01/08/1979
  • Status: Expired due to Term
First Claim
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1. An agricultural implement for planting seeds comprising:

  • (a) hollow frame having open ends, said frame being adapted to be connected to a mobile power source for towing;

    (b) a pair of opposed, furrow-forming disks rotatably mounted on non-parallel axes on said frame with each disk being located adjacent an opposing respective outside surface of said frame with the disks substantially contacting each other at the approximate point of entry into the ground and diverging apart rearwardly and upwardly relative to the direction of travel;

    (c) a seed tube mounted in said frame, one end of said tube extending between said disks toward the furrow and the other end being adapted for connection to a seed dispenser;

    (d) a seed firming wheel rotatably mounted in said frame between said disks, the forward periphery of said wheel being adjacent the rotatable mounting of said disks and said wheel being located rearward and adjacent said one end of said seed tube;

    (e) a combination furrow closing and gauge wheel means, said means including an arm structure pivotally mounted in said frame above said firming wheel and a pair of rotatably mounted furrow closing and gauge wheels, with each wheel being mounted on an opposing respective outside surface of said arm structure and being located laterally outwardly said firming wheel, said wheels being located in upwardly diverging planes straddling the furrow; and

    (f) adjustment means located above said firming wheel and said arm structure pivot and extending between said frame and arm structure for varying the depth of the furrow created by said disks, said means including a cam rotatably mounted in said arm structure, a cam follower mounted in said frame and means for moving said cam to selected positions and latching same, said furrow closing and gauge wheels straddling and overlapping longitudinally said firming wheel through the range of cam follower and cam contact.

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