US Patent 9587895 Rotatable firearm bolt
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Patent abstract
A bolt for a firearm having a rotatable head and carrier body has a twisted polygonal keyed interface between the head and carrier body. A neck extending rearward from the head presents the keyed interface with a corresponding bore within the carrier body. This construction reduces torque moments between the head and carrier body as compared to prior art bolts. Camming loads on the neck may be constructed with inverses to create space for tolerance and lubricant.
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Patent Inventor Names
Brian F. Abbott0
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US Patent 09587895 Rotatable firearm bolt US Patent 9587895 Rotatable firearm bolt
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Patent Number
09587895
Patent Number
9587895
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US Patent 09587895 Rotatable firearm bolt
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Is a
Patent jurisdiction
Patent number
09587895
Date of patent
March 7, 2017
Patent application number
15000272
Date Filed
January 19, 2016
Patent primary examiner
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