| 摘要 |
PCT No. PCT/CH81/00084 Sec. 371 Date Mar. 17, 1982 Sec. 102(e) Date Mar. 17, 1982 PCT Filed Jul. 20, 1981 PCT Pub. No. WO82/00262 PCT Pub. Date Feb. 4, 1982.Each guiding tube of the equipment provided to guide the different stock bars which can be machined in a given automatic lathe carries collars and a cap member. The collars and cap members of all the tubes of the equipment have the same outer diameter so that any one of these tubes can be secured by means of removable yoking beams on the semi-cylindrical seats of brackets rigidly fixed to one and the same prismatic canal which confers a great stiffness to the guiding tube fixed thereto. Owing to a pin on said cap members entering a bracket notch, bores of the collars and tube mounted in said canal automatically come to lie opposite openings of oil supply conduits to control the pusher feeding the bar to the lathe and to form an oil cushion around that bar.
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