发明名称 |
BIT HOLDER AND BASE PART FOR RECEIVING A BIT HOLDER |
摘要 |
The invention relates to a bit holder having an insertion projection and having a holding projection having a bit receptacle, the insertion projection comprising a bearing segment and the holding projection comprising a supporting segment. In order to allow the bit holder to be braced in permanent and stable fashion with respect to a base part, provision is made according to the present invention that the supporting segment and/or the bearing segment comprise two supporting surfaces and bearing surfaces, respectively, arranged at an angle to one another; and that the longitudinal center axis of the bit receptacle and the longitudinal axis of the insertion projection enclose an obtuse angle. |
申请公布号 |
CA2722699(C) |
申请公布日期 |
2013.07.09 |
申请号 |
CA20102722699 |
申请日期 |
2010.11.29 |
申请人 |
WIRTGEN GMBH |
发明人 |
LEHNERT, THOMAS;BUHR, KARSTEN;BARIMANI, CYRUS;HAEHN, GUENTER |
分类号 |
E21C35/19;E21C35/193 |
主分类号 |
E21C35/19 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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