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US 5,190,398 AGranted
Apparatus for preparing a road bed
OwnerGeorge W. Swisher, Jr.inventor
Life of this patent
Estimating the term…
Abstract
An apparatus for pulverizing a surface such as a road bed, parking lot, an interstate shoulder or the like. The apparatus comprises a frame with a cutting means secured thereto. A bidirectional drive and control means is also provided to enable the apparatus to make multiple passes over a surface while in an operating condition without turning the apparatus around. A system for adding liquid to the surface being pulverized may also be included.
Claims18
An apparatus for preparing a road surface comprising:
- a frame having a first end and a second end;
- a plurality of independently steerable wheels retractable along an arced path, secured to the frame for supporting and moving the frame in a first direction with the first end leading, a second direction with the second end leading or in a direction oblique to the first or second direction;
- and
- a rotatable drum having a plurality of teeth secured thereto carried by the frame, for pulverizing the surface while the frame is moving in either the first or second direction.
1 more element
An apparatus for preparing a road surface comprising:
- a frame with a first end, a second end and a center of gravity;
- one or more steerable wheels retractably secured to the first end of the frame and one or more steerable wheels retractably secured to the second end of the frame, for supporting and moving the frame;
- means for selecting first end steering, second end steering, or first and second end steering;
- and
- pulverizing means including a rotatable drum with a plurality of teeth carried by the frame for pulverizing the surface wherein the pulverizing means is located generally under the center of gravity of the frame.
2 more elements
An apparatus for preparing a road surface comprising:
- a frame with a first end, a second end and a center of gravity;
- one or more steerable wheels retractably secured to the first end of the frame and one or more steerable wheels retractably secured the second end of the frame, for supporting and moving the frame in a first direction with the first end leading, or a second direction with the second end leading or in a direction oblique to the first or second direction;
- means for selecting first end steering, second end steering or first and second end steering;
- and
- pulverizing means carried by the frame comprising a rotatable drum with teeth for pulverizing the surface while the frame is moving in the first or the second direction, wherein the pulverizing means is located generally under the center of gravity of the frame.
2 more elements
Dependencies are inferred from the claim text.