Shoulder building apparatus for road construction

• US 3,109,351 A
• Filed: 09/23/1958
• Issued: 11/05/1963
• Est. Priority Date: 09/23/1958
• Status: Expired due to Term

• Current Assignee: Michael J. Dunn
• Original Assignee: Michael J. Dunn
• Inventors: Dunn, Michael J.
• Application Number:
  US03/762,747
• Time in Patent Office: 1,869 Days
• US Class Current: 404/104
• CPC Class Codes: E01C 19/15 for laying-down uncoated stone or similar materials, or for striking-off or spreading same without compacting, e.g. for crushed rock base courses, sand cushions for paving E01C19/466 , E01C19/52 take precedence; distributing E01C19/20; laying down and rolling E01C19/482
• CPC Class Codes: E02F 5/22 for making embankments; for back-filling in combination with trench excavators E02F5/12

Claims

1. A ROAD SHOULDER BUILDING ATTACHMENT FOR A ROAD GRADER, SAID ATTACHMENT HAVING A SUPPORTING STRUCTURE ADAPTED TO BE SECURED TO THE FORWARD END OF A ROAD GRADER AND EXTENDING TRANSVERSELY THEREACROSS, A TRAVELING CONVEYOR MOUNTED ON SAID SUPPORTING STRUCTURE AND EXTENDING TO ONE END THEREOF, A SHOULDER BOX MOUNTED ON SAID SUPPORTING STRUCTURE AND UNDERLYING SAID CONVEYOR AND EXTENDING BEYOND SAID ONE END OF SAID SUPPORTING STRUCTURE, A FIRST PLATE SECURED TO SAID END OF SAID SUPPORTING STRUCTURE AND VERTICALLY SHIFTABLE WITH RESPECT THERETO, A SECOND PLATE FIXEDLY SECURED TO SAID SHOULDER BOX AND BEING MOUNTED FOR VERTICALLY SLIDABLE ADJUSTMENT UPON SAID FIRST PLATE, AND REMOTELY CONTROLLABLE MEANS FOR INSTANTANEOUSLY RAISING AND LOWERING SAID BOX, SAID REMOTELY CONTROLLABLE MEANS BEING RESPECTIVELY SECURED AT THE ENDS THEREOF TO SAID FIRST PLATE AND TO SAID SUPPORTING STRUCTURE.