Title:
SELECTIVE CUT HEADING MACHINE OR ADVANCE WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/022744
Kind Code:
A3
Abstract:
The invention relates to a selective cut heading machine or advance working machine comprising a cantilever (1) on which rotatable cutting tools (2) are mounted, and which can be displaced by means of a running gear, especially a tracklaying gear (4). The aim of the invention is to improve the absorption of the restoring forces of the cutting tools (2). To this end, additional weights are provided in pre-defined absorption positions (3, 5, 7, 9) on the machine frame and/or on the cantilever (1).
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Inventors:
BRANDL ERICH (AT)
Application Number:
PCT/AT2010/000305
Publication Date:
May 10, 2012
Filing Date:
August 26, 2010
Export Citation:
Assignee:
SANDVIK MINING & CONSTR OY (AT)
BRANDL ERICH (AT)
BRANDL ERICH (AT)
International Classes:
E21C27/24
Foreign References:
DE3141763A1 | 1982-06-16 | |||
EP2039837A1 | 2009-03-25 | |||
SU659745A1 | 1979-04-30 | |||
FR2097610A5 | 1972-03-03 | |||
US2827274A | 1958-03-18 | |||
DE3413161C1 | 1985-11-07 | |||
JP2008063795A | 2008-03-21 |
Attorney, Agent or Firm:
HAFFNER UND KESCHMANN Patentanwälte OG (Wien, AT)
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