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 代理人
主权项
地址