CUTTING DEVICE AND SUPPORT FOR SAME
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United States of America Patent
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Issued Date -
Nov 5, 2020
app pub date -
Jul 17, 2020
filing date -
Aug 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A cutting assembly for a rock excavation machine having a frame includes a boom and a cutting device supported on the boom. The boom includes a first portion and a second portion, the first portion supported for pivotable movement relative to the frame. In some embodiments, the first portion includes a first structure extending along a longitudinal base axis and a second structure moveable relative to the first portion in a direction parallel to the longitudinal base axis, and at least one bearing supports the second portion for movement relative to the first portion. In some embodiments, the second portion is pivotably coupled to the first portion by a universal joint, and a suspension system including a plurality of biasing members may be coupled between the first portion and the second portion.
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