Substantially helical, stepped blade row cutterhead having removable blade units
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United States of America Patent
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May 4, 2010
Issued Date -
N/A
app pub date -
Nov 27, 2006
filing date -
Nov 27, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A cutterhead for a peripheral milling machine including a cutterhead body including a generally cylindrical portion and a plurality of circumferential, spaced and offset blade unit mounting cavities extending into the cutterhead body from the periphery of the cylindrical portion for receiving a blade unit. The cutterhead further includes a plurality of blade units each having at least one cutting edge and means for removably securing each of the removable blade units in the corresponding blade unit mounting cavity. The cutting edge of each of the blade units is disposed to align with the cutting edge of each of the other blade units in adjacent mounting cavities to form a substantially helical, stepped blade row when the blade units are secured to the cutterhead body.
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