| 摘要 |
<p>A device (10) is provided that is operative for purposes of accomplishing the drilling, boring and tapping of a relatively large size opening (106) in a body (17) while the latter is located in a hostile environment. The subject device (10) is characterized both in that it is portable and in that the boring and tapping functions are combined into the same device (10). The subject device (10) includes fixture means (18) for effecting the alignment of the device (10) relative to the opening (106) that is to be bored and tapped, support means (14) having a surface supported thereon in juxtaposed relation thereto, first operating means (16) supported on the aforesaid surface for movement relative thereto in a predetermined direction, and second operating means (104) cooperatively associated with the first operating means (16) for movement therewith and operative for purposes of performing certain machining operations.</p> |
