Rotary cutting saw with improved heat dissipation performance
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United States of America Patent
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Feb 28, 2006
Grant Date -
Oct 13, 2005
app pub date -
Mar 4, 2005
filing date -
Mar 9, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A rotary cutting saw including: (a) a base disk which has a plurality of apertures formed therethrough and opening in axially opposite end surfaces thereof; (b) a plurality of abrasive segments which are fixed to an outer circumferential surface of the base disk; and (c) a plurality of axial-runout restraining members which are received in the apertures. Each of the axial-runout restraining members has a size which is smaller than a size of each of the apertures, such that a clearance is defined between the periphery of each of the apertures and a corresponding one of the axial-runout restraining members which is received in the each of the apertures. A ratio of a size of the clearance to the size of each of the axial-runout restraining members is 5-150%.
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