Method and system of retaining a cutting bit
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United States of America Patent
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-
May 7, 2013
Grant Date -
Nov 17, 2011
app pub date -
May 13, 2010
filing date -
May 13, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Retaining a cutting bit. At least some of the illustrative embodiments are methods including: placing a neck portion of a retaining clip in a groove on outer surface of a sleeve (the sleeve with a cylindrical bore defining a longitudinal axis); then telescoping the sleeve and retaining clip, with the neck portion placed in the groove, within a bit block (the telescoping such that an arm portion of the retaining clip partially occludes an aperture of the cylindrical bore); and then inserting a shank portion of a cutting bit within the cylindrical bore of the sleeve (the arm portion of the retaining clip mates with at least a portion of an annular groove of the shank portion); and retaining the shank portion of the cutting bit by way of the arm portion of the retaining clip.
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