Pick assembly, bit assembly and degradation tool
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United States of America Patent
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Jan 24, 2017
Grant Date -
Oct 22, 2015
app pub date -
Aug 29, 2013
filing date -
Aug 31, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pick assembly is provided, comprising a bit assembly and a holder assembly; the bit assembly comprising a bit support body, a fastener mechanism and a deflectable member, cooperatively configured such the deflectable member can be deflected responsive to the progressive coupling of the bit support body to the fastener mechanism. The holder assembly comprises a holder body and is configured for accommodating and retaining the bit assembly by interference means. The holder assembly and bit assembly are cooperatively configured such that the retention of the bit assembly by the holder assembly by interference means can be progressively increased responsive to the progressive coupling of the bit support body with the fastener mechanism when the bit assembly is accommodated by the holder assembly, operative to prevent substantial movement of the bit support body relative to the holder body in use.
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