Mining tool retainer
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United States of America Patent
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-
Aug 16, 1988
Grant Date -
N/A
app pub date -
Jan 16, 1987
filing date -
Jan 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retainer for a mining or construction bit which bit is carried in the bore of a mounting block and which has an annular groove forming a neck at the protruding end to receive a retainer. The retainer is a split collar which snaps over the neck of the mounting portion of the bit. The collar, either a molded ring or a spring steel member, has opposed curved axial projections which are dimensioned to fit into and be retained in the bore of the mounting block during the functioning of the bit in operation.
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