| 摘要 |
The apparatus is intended to drive fasteners ( 21 ) for fastening a piece ( 20 ) to a support ( 30 ). The apparatus has a snout ( 12 ) equipped with a bearing shoe ( 14 ). The shoe is equipped with lateral positioning one-piece plate ( 15 ) on which there are formed a number of distinct lateral bearing surfaces ( 8, 8', 8'', 8 82, 83 ) roughly parallel to the axis of the snout to be applied in particular to an edge of one of the pieces either the support piece or the piece that is to be fastened.
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