| 摘要 |
<p>The tool-maker's lathe comprises a bed (1) which is comprised of die-shaped sections in its final form and of which one side is a dovetail-shaped section and comprises two head-stocks (6, 7) which are two portions of the same die-shaped section and which has a dovetail-shaped side complementary of the dovetail-shaped section of the bed so that the dovetail of each head-stock may cap the dovetail of the bed and slide thereon. The invention applies to all lathes which comprise a bed and a head-stock.</p> |
