First and second beam for telescopic feeder, incorporating...

Details First and second beam for telescopic feeder, incorporating... First and second beam for telescopic feeder, incorporating...

2007-01-22

2011-11-15

Nash, Brian D (Department: 3721)

Tool driving or impacting

With means to adjust position of axis of tool advance

C173S038000

Reexamination Certificate

active

08056647

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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