| 摘要 |
<p>The invention relates to an adjustable device, meant to be used for local picking-upfor example the powders and noxes, resulting after working the metal and non-metal pieces on the machine-tools. According to the invention, the device consists of a hole (1) for aspirating the noxes, provided with a coupling collar (2) and a socket (3) which is in connection with a flexible tube (4), through which there are discharged the noxes, on the collar (2) there being mounted a support rod (5), with horizontal guidance, for supporting the aspiration mouth (1), whose working position can be adjusted by means of a screw (10) for adjusting the right working position, disposed on a mobile support (9), mounted on a framin (12) of the machine-tool.</p> |
