发明授权
- 专利标题： Chisel holder
- 专利标题（中）： 凿子持有人
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申请号： US13822720申请日： 2011-12-02
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公开(公告)号： US09228434B2公开(公告)日： 2016-01-05
- 发明人: Thomas Lehnert , Karsten Buhr , Martin Lenz , Cyrus Barimani , Günter Hähn , Karl Kammerer , Markus Roth , Bernhard Diessner
- 申请人： Thomas Lehnert , Karsten Buhr , Martin Lenz , Cyrus Barimani , Günter Hähn , Karl Kammerer , Markus Roth , Bernhard Diessner
- 申请人地址： DE
- 专利权人： Wirtgen GmbH
- 当前专利权人： Wirtgen GmbH
- 当前专利权人地址： DE
- 代理机构： Patterson Intellectual Property Law, PC
- 代理商 Lucian Wayne Beavers
- 优先权： DE102010061019 20101203; DE102011051523 20110704
- 国际申请： PCT/EP2011/071587 WO 20111202
- 国际公布： WO2012/072785 WO 20120607
- 主分类号： E21C35/197
- IPC分类号： E21C35/197 ; E21C35/18 ; E21C35/193
摘要：
The subject matter of the invention is a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the insertion projection comprising at least one convex abutment surface and one pressure surface. In a bit holder of this kind, working forces can be dissipated in stress-optimized fashion into an attached base part when provision is made that the insertion projection comprises two convex abutment surfaces that are arranged at a distance from one another.
公开/授权文献
- US20130270891A1 Chisel Holder 公开/授权日：2013-10-17
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