Hewing or cutting roll

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7175237
SERIAL NO

11125794

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a hewing or cutting roll including a central roll part and at least one lateral roll part telescopically extractable in the axial direction of the roll, wherein the central roll part and the extractable roll part have each a connection site for a hydraulic cylinder piston unit, the hydraulic cylinder piston unit is arranged to be pivotable relative to the central roll part and/or the extractable roll part about at least two axes and, in particular, universally.

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Patent Owner(s)

Patent OwnerAddress
VOEST-ALPINE BERGTECHNIK GESELLSCHAFT M B H8740 ZELTWEG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grief, Ralf Zeltweg, AT 9 41
Neuper, Reinhard Judenburg, AT 3 9

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