Striker member, and a drilling machine comprising a striker member
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United States of America Patent
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Apr 10, 2018
Issued Date -
N/A
app pub date -
Apr 12, 2012
filing date -
May 3, 2011
priority date (Note) -
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Abstract
A circular cylindrical striker member 2 for a drilling machine adapted to transfer kinetic energy to an impulse receiving member 4. The striker member has a diameter dmax, and includes a side surface 12 and an impulse surface (6). The striker member is adapted to transfer the kinetic energy to the impulse receiving member by a ring shaped active surface of the impulse surface, wherein the ring shaped active surface is concentric with regard to the cross section of the striker member, has a diameter da, where da
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