| 摘要 |
<p>A rotary tool (100) includes a housing (104), a tool holder (120), and a wrench assembly (108). The housing (104) includes an end portion (124) having external threads (128). The tool holder (120) extends from the end portion (124) and includes a fastening member (172) configured for movement between an undamped position and a clamped position in which the tool holder (120) can engage a tool. The wrench assembly (108) includes a body portion (220) and a wrench member (228). The body portion (220) includes (i) a plurality of internal threads (240) configured to meshingly engage the external threads (128) and (ii) an opening (236) through which a portion of the tool holder extends (120) when the internal threads are meshingly engaged to the external threads. The wrench member (228) includes a wrench surface (258) configured to engage the fastening member (172).</p> |
