| 摘要 |
<p>In a apparatus for conversion of a rotation movement into back-and-forward direction-changing rotation movements, a nut (13) formed from two split nuts (14, 15) is provided that is arranged on a rotatably mounted threaded spindle (11), where the two split nuts (14, 15) form between them an annular chamber open to the threaded spindle (11) and to which is supplied a liquid lubricant.</p> |
