Road structure – process – or apparatus – Apparatus – With in situ means for both comminuting and treating – e.g.,...
Patent
1994-07-29
1996-04-09
Neuder, William P.
Road structure, process, or apparatus
Apparatus
With in situ means for both comminuting and treating, e.g.,...
E01C 2312
Patent
active
055055982
ABSTRACT:
A modification of a cold milling machine used to remove concrete and asphalt from an existing highway is disclosed, including a milling drum segmented into two or more sections with the drive train for the milling drums passing through the core of the milling drum and supported via a journal or bearing to the outside of the machine. One or more sections of a milling drum may be added to the drum to vary its length. The sections of the milling drum can be added by bolting segments of the drum onto a driven sleeve which telescopes over the drive shaft of the machine. The segments of the milling drum can be readily removed by loosening a few bolts and removing the segments without having to slide a milling drum segment off of either end of a drive shaft. A segmented moldboard is also disclosed which allows the moldboard to be adjusted in segments, depending upon the cutting width of the milling drum of the machine. The segmented moldboards can be bolted together and are hydraulically operated between an operating position and a docking position. The hydraulic structure of the moldboards also allows the segments of the moldboard to float on the surface of the road or highway at a height depending upon whether or not the moldboard is following a portion of the highway that has been cut or a portion of the highway that is undisturbed.
REFERENCES:
patent: 4489985 (1984-12-01), Kendrick
patent: 4720207 (1988-01-01), Salani
patent: 5083839 (1992-01-01), Younger
CMI Corporation, Variable-Width Cutters, Feb. 94.
Neuder William P.
Waddey, Jr. I. C.
Wirtgen America, Inc.
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