Road structure – process – or apparatus – Apparatus – Automatic control
Reexamination Certificate
2006-12-05
2006-12-05
Addie, Raymond (Department: 3671)
Road structure, process, or apparatus
Apparatus
Automatic control
C404S084050, C404S084500, C404S084800, C701S050000
Reexamination Certificate
active
07144191
ABSTRACT:
A contouring machine control system, contouring/smoothing method, and kit for enabling a contouring machine to automatically contour three-dimensional surfaces includes a contouring member, such as a screed or dirt grading blade, a target either attached to the contouring member or located at a remote location, a tracking device at the other of the contouring member or remote location that tracks the target and measures the position of the target in three dimensions, a proximity sensor adjacent one end of the contouring member to detect its height above a physical reference, and a controller/computer for controlling the height of the two ends of the contouring member. One of the ends is controlled as a function of a stored profile of the desired surface to be contoured and the target or tracking device position, while the second end is controlled as a function of the current height of the proximity sensor above the reference.
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Hallstrom Charles A
Kieranen Carl B
Ruonavaara Nils P
Simula Glen R
Waineo James D
Addie Raymond
Somero Enterprises, Inc.
Van Dyke Gardner, Linn & Burkhart, LLP
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