×

Process for positioning various poles and the like and device for embodying the same

  • US 3,894,589 A
  • Filed: 01/03/1973
  • Issued: 07/15/1975
  • Est. Priority Date: 01/03/1972
  • Status: Expired due to Term
First Claim
Patent Images

1. A device for placing sleeves into the ground, each sleeve to receive a pole or like member, comprising:

  • a frame;

    a sleeve detachably mounted on said frame;

    a penetration pin having an inner diameter slightly smaller than that of said sleeve and a length longer than that of said sleeve;

    inserting means connected to said frame for causing said pin to downwardly pass through said sleeve for inserting said pin into the ground, and for lifting said pin upwardly when said pin and said sleeve are embedded in the ground;

    following means connected to said frame for causing said sleeve to follow the downward movement of said pin;

    reciprocably movable means connected to said frame for retaining said sleeve in the ground when said pin is removed from said sleeve; and

    coordinating means connected to said frame for synchronizing the movements of said inserting means and said reciprocably movable means;

    whereby said sleeve remains in the ground when said Pin is extracted and whereby a pole may thereafter be inserted into said sleeve.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×