ROCK DRILLING MACHINE, REMOVABLE CARTRIDGE, STOP RING AND DRILLING RIG
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
May 6, 2011
filing date -
May 28, 2010
priority date (Note) -
Abandoned
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Abstract
The invention relates to a rock drilling machine comprising a front part (1a), a removable cartridge (5) arranged in the front part (1a), a shank adapter (3) and a stop ring (4) for the shank adapter (3). According to the invention, the diameter of the removable cartridge (5) is at least as great as the diameter of the stop ring (4), such that it is possible during demounting of the removable cartridge (5) to mount or demount the stop ring (4), without removing the front part (1a) from the rock drilling machine. The invention also relates to a removable cartridge (5), a stop ring (4) and a drilling rig incorporating the drilling machine.
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