| 摘要 |
741,210. Lathe details. GEIGER, R. Oct. 23, 1953 [Oct. 25, 1952], No. 29390/53. Class 83(3). A device for facilitating the inserting and removing of work-pieces 5 in a copying machinetool having a number of head and tailstock spindles 3, 4 comprises rest members 8a for supporting the ends of the work-pieces and means 15 for moving the rest members sub- , stantially in the direction of the length of the work-pieces. The work-rests 8a are fixed to, or are vertically adjustable on, arms 8. The arms 8 at each side of the lathe are connected to frames 9 which are advanced simultaneously by levers 13-15 or by electrical or hydraulic means. The frames 9 and rods 8 are carried on vertically-adjustable brackets 6. If the work-pieces have inclined ends, the work-rests 8a may be transverse rollers 21, Fig. 3, mounted on an angularly-adjustable bracket 6, 17 so that each roller may be advanced along the line of the surface of the work-piece. |
