Wrench has plunger lever that is rotatably inserted in drive head and pushed towards yoke arms in case, where control lever is arranged to control disconnection of plug connection portion of rotatable drive head from case
摘要
<p>The wrench has a rotatable drive head (60) that includes a plug connection portion (613) with a front hole (614) and a drive head portion (61) with positioning holes (612) in axial direction. A plunger lever (20) is rotatably inserted in the drive head and pushed towards yoke arms (11) in the case. A ball receiving hole (615) is provided in plug connection portion for receiving a ball element (64). A control lever (62) is arranged to control disconnection of the plug connection portion from the case.</p>
