Method of constructing an earthen dike and combination trenching and back-filling machine therefor

• US 3,331,209 A
• Filed: 07/12/1963
• Issued: 07/18/1967
• Est. Priority Date: 07/12/1963
• Status: Expired due to Term

• Current Assignee: Arnold E. Petkus, Jacob R. Sensibar
• Original Assignee: Arnold E. Petkus, Jacob R. Sensibar
• Inventors: Sensibar, Jacob R., Petkus, Arnold E.
• Application Number:
  US04/294,604
• Time in Patent Office: 1,467 Days
• US Class Current: 405/107
• CPC Class Codes: E02F 5/22 for making embankments; for back-filling in combination with trench excavators E02F5/12

Claims

1. A COMBINATION TRENCHING AND BACKFILLING MACHINE COMPRISING A FRAME, LOCOMOTION MEANS ASSOCIATED WITH SAID FRAME, AN ELONGATED EXCAVATOR-TREMIE STRUCTURE MOUNTED IN SAID FRAME, EXCAVATING MEANS MOUNTED FORWARDLY IN SAID STRUCTURE AND ADAPTED TO DIG A TRENCH AS SAID FRAME IS MOVED FORWARD, A FIRST CHUTE POSITIONED IN SAID STRUCTURE TO THE REAR OF SAID EXCAVATING MEANS, A SECOND CHUTE POSITIONED IN SAID STRUCTURE TO THE REAR OF SAID FIRST CHUTE AND HAVING A BOTTOM TERMINAL LEVELING EDGE HIGHER THAN THE BOTTOM DISCHARGE PORTION OF SAID FIRST CHUTE, A FIRST SUPPLY MEANS AND A SECOND SUPPLY MEANS DEPOSITING A FIRST AND SECOND BACKFILL MATERIAL RESPECTIVELY IN SAID FIRST AND SECOND CHUTES, SAID CHUTES DEPOSITING SAID FIRST AND SECOND MATERIALS SIMULTANEOUSLY AS SAID TRENCH IS BEING DUG WHEREBY SAID FIRST BACKFILL MATERIAL FORMS THE BOTTOM LAYER WITHIN SAID TRENCH AND SAID SECOND BACKFILL MATERIAL FORMS THE TOP LAYER THEREIN, MEANS FOR ADJUSTING THE VERTICAL POSITION OF SAID LEVELING EDGE RELATIVE TO THE POSITION OF SAID FIRST CHUTE WHEREBY THE RELATIVE DEPTH OF THE LAYERS OF SAID FIRST AND SECOND BACKFILL MATERIAL INTO THE TRENCH MAY BE READILY CONTROLLED.