Title:
ガイドスタッドを備えた入れ子式フィーダ用第一及び第二ビーム、削岩用の掘削装置用入れ子式フィーダ、及び削岩装置
Document Type and Number:
Japanese Patent JP4837050
Kind Code:
B2
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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Inventors:
Forin, Ricardo
Suff, Fredrick
Suff, Fredrick
Application Number:
JP2008556274A
Publication Date:
December 14, 2011
Filing Date:
January 22, 2007
Export Citation:
Assignee:
Atlas Copco Rock Drills Activolag
International Classes:
E21B19/24; E21B15/00
Domestic Patent References:
| JPS60130898A | 1985-07-12 | |||
| JPH07139285A | 1995-05-30 | |||
| JPS60172890A | 1985-09-06 | |||
| JP2000017979A | 2000-01-18 | |||
| JPH0959978A | 1997-03-04 | |||
| JPH10121474A | 1998-05-12 | |||
| JPH0313387A | 1991-01-22 | |||
| JPH10110586A | 1998-04-28 | |||
| JPH05340181A | 1993-12-21 |
Attorney, Agent or Firm:
Takao Hamano
Teruichi Hirai
Teruichi Hirai