卧式组合机床设计外文翻译.doc

COMBINATION MACHINE TOOL George H. Stahier, Shaker Heights, Ohio This invention relates to a new and improved combination machine tool, and more particularly to a convertible machine tool of the type capable of being quickly and easily converted to adapt it for a plurality of different operations It is among the objects of the invention to provide a new and improved combination machine tool of compact and simplified design adapted for use in small home and repair shops which may be readily converted to perform a plurality of different operations such as drilling, sawing, shaping, lathe turning and the like. A further object of the invention is to provide in a convertible machine tool, a power head including a power driven spindle having appurtenances there on capable of operatively supporting a work table in either of two positions with respect to the ends of the spindle.Another object of the invention is to provide in a convertible machine tool a power head having a self contained motor there in.. A still further object of the invention is to provide a simple and compact power head for a machine tool which may be employed as an independent unit to perform certain of the aforementioned operations. Various additional object and advantageous features of the invention not at this time more particularly set forth will become apparent and better understood from the following detailed desoription taken in conjunction with the accompanying drawings, wherein similar reference characters denote corresponding parts, and wherein: Figure 1 is a side elevation al view, with parts 35 thereof broken away, of a convertible machine tool constructed in accordance with the invention, Figure 2 is a fragmentary sectional detail taken on line 2—2 of Figure 1, and illustrating a center point mounted on the spindle replacing the drill chuck shown in Figure 1, Figure 3 is a fragmentary sectional view taken on the line 3—3 of Figure 1, Figure 4 is a pl