Adjustable pitch rotor for milling applications

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United States of America Patent

PATENT NO 11866891
APP PUB NO 20230112546A1
SERIAL NO

17500707

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An adjustable pitch rotor for a milling machine includes an inner drum and an outer shell formed by first and second outer shell portions. Drum cutting assemblies with cutting bits extend outward from outer surfaces of the outer shell portions, with each of the cutting bits being longitudinally spaced from longitudinally adjacent cutting bits on their respective outer shell portions by a pitch distance. In a first pitch configuration, each cutting bit may be longitudinally aligned with a corresponding cutting bit on the other outer shell portion so that grooves milled in a work surface by the rotor are spaced by the pitch distance. In a second pitch configuration, each of the cutting bits may be longitudinally spaced from longitudinally adjacent cutting bits of the other outer shell portion by one-half the pitch distance to mill grooves in the work surface that are spaced by one-half the pitch distance.

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Patent Owner(s)

Patent OwnerAddress
CATERPILLAR PAVING PRODUCTS INC9401 85TH AVENUE N BROOKLYN PARK MN 55445-2199

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnson, Nicholas B Dayton, US 18 7

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