First and second beam for telescopic feeder, incorporating guiding studs, telescopic feeder, drilling device for rock drilling and a way of using a guiding stud
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United States of America Patent
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Nov 15, 2011
Grant Date -
Jun 24, 2010
app pub date -
Jan 22, 2007
filing date -
Feb 22, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The object of the invention is to provide a telescopic feeder which is easier to handle. A first beam is intended to be used in sliding cooperation with a second beam in a telescopic feeder for a rock drilling machine. The first beam comprises at least one guiding stud intended to be guided into a recess in the second beam as the second beam and the first beam are retracted to an end position. The guiding stud is used for locking the first beam in relation to the second beam in a fixed position as the telescopic feeder is fully retracted to an end position.
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