US Patent 7419224 Sleeve in a degradation assembly
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Patent Inventor Names
David R. Hall0
Jeff Jepson0
Ronald Crockett0
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Article (+393 characters)
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Patent abstract
In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder which is secured to a driving mechanism. A retainer sleeve is disposed around the shank of the attack tool, wherein the retainer sleeve has an inner surface with a hardness greater than 58 HRc.
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US Patent 07419224 Sleeve in a degradation assembly US Patent 7419224 Sleeve in a degradation assembly
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Patent Number
074192240
Patent Number
74192240
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Official Website
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Patent Jurisdiction
Patent Number
074192240
Date of Patent
September 2, 2008
0Patent Application Number
114640190
Date Filed
August 11, 2006
0Official Website
Patent Primary Examiner
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US Patent 07419224 Sleeve in a degradation assembly
Infobox
Is a
Patent jurisdiction
Patent number
07419224
Date of patent
September 2, 2008
Patent application number
11464019
Date Filed
August 11, 2006
Patent primary examiner
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