Base spreader

• US 3,091,999 A
• Filed: 01/07/1960
• Issued: 06/04/1963
• Est. Priority Date: 01/07/1960
• Status: Expired due to Term

• Current Assignee: Raymore D. Macdonald
• Original Assignee: Raymore D. Macdonald
• Inventors: Macdonald, Raymore D.
• Application Number:
  US04/001,026
• Time in Patent Office: 1,244 Days
• US Class Current: 404/101
• 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

Claims

3. A WHEELED BASE SPREADING APPARATUS FOR ATTACHMENT TO A TRACTOR HAVING A DOZER BLADE FOR EFFECTIVELY APPLYING BASE AGGREGATE OF A SUBSTANTIALLY CONSTANT DEPTH ON A ROAD BED COMPRISING LONGITUDINAL FRAME MEMBERS, MEANS TO CONNECT THE FRAME MEMBERS TO THE TRACTOR, ADJUSTABLE CROSS BEAM MEMBERS SECURED TO THE FRAME MEMBERS, SIDE PANEL MEMBERS SECURED TO THE FRAME MEMBERS, ADJUSTABLE EXTENSION DOORS HINGED AT THEIR FORWARD EDGES TO SAID SIDE PANEL MEMBERS, A SECTIONAL STRIKE-OFF BLADE, A GATE MEMBER HINGED TO EACH END OF SAID SECTIONAL STRIKE-OFF BLADE, SAID GATE MEMBER BEING OVERLAPPED BY THE EXTENSION DOORS, AND VERTICALLY ADJUSTABLE MEANS SUPPORTING