Title:
SHANK CHISEL AND FIXING ASSEMBLY FOR A SHANK CHISEL
Document Type and Number:
WIPO Patent Application WO/2015/169900
Kind Code:
A3
Abstract:
The invention relates to a shank chisel (10) with a chisel head (12) and a chisel shank (16), wherein the chisel shank (16) has a securing element retainer (181) in which a securing element (40) is arranged. In order to enable a simple installation of the shank chisel (10) in a chisel holder (30) in a safe and maintenance-optimized operating mode, according to the invention, a tensioning element (20) can be displaced relative to the chisel shank (16) in such a way that at least one part of the outer contour of the securing element (40) is changed. The invention further relates to a corresponding fixing assembly (1) for a shank chisel (10) in a chisel holder (30).
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Inventors:
ROTH MARKUS (DE)
Application Number:
PCT/EP2015/060070
Publication Date:
December 30, 2015
Filing Date:
May 07, 2015
Export Citation:
Assignee:
BETEK GMBH & CO KG (DE)
International Classes:
E21C35/197
Domestic Patent References:
| WO2013053811A2 | 2013-04-18 | |||
| WO2015043884A2 | 2015-04-02 | |||
| WO1996008599A1 | 1996-03-21 |
Foreign References:
| DE202012100353U1 | 2013-05-03 | |||
| US5992405A | 1999-11-30 | |||
| GB2505569A | 2014-03-05 | |||
| US20120080930A1 | 2012-04-05 | |||
| US20080164073A1 | 2008-07-10 |
Attorney, Agent or Firm:
FLECK, Hermann-Josef (Vaihingen/Enz, DE)
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