| 摘要 |
<p>A control knob (112) is secured to a device shaft means (118) for securing a control knob (112) to a device shaft that eliminates loosening of the control knob (112) relative to the device shaft (118) during rotational and push/pull directional movement of the control knob (112). In addition, the control knob is secured to the device shaft adjustable. The control knob includes a threaded bore (125) and a set screw (126) disposed therein. An angled groove (130) having a plurality of angled side portions is formed into a surface (119) of an end portion of the device shaft, whereby cooperation of the set screw (126) within the angled groove (130) comprises adjustable securement of the control knob (112) to the device shaft (118) during rotation of the control knob (112) and device shaft (118).</p> |
