公开(公告)号：EP2731806A1

公开(公告)日：2014-05-21

申请号：EP12748382.4

申请日：2012-07-12

申请人： Schaumdögl, Reinhard

发明人： Schaumdögl, Reinhard

IPC分类号： B60B29/00 ,  B25G3/20

CPC分类号： B25G1/043 ,  B25G3/20 ,  B60B29/003 ,  B60B2900/313

摘要： The invention relates to an extension (1, 22, 28) for a box spanner (2), in particular for a wheel nut spanner, having a retainer (3) for connecting the spanner shaft (4) of the box spanner (2) to the extension (1, 22, 28). In order to produce advantageous manipulation ratios, according to the invention the retainer (3) has a quick-release clamp (5) for clamping the box spanner shaft (4) to the extension (1, 22, 28).