发明名称 |
VERBAND ZWISCHEN DEM UNTEREN TEIL UND DEM HAUPTTEIL DES STAENDERS VON LADEKRAENEN |
摘要 |
An improved joint and method of providing such a joint between the upper and lower portions of a rotatably driven crane post, comprising a sleeve-shaped member formed internally with screw threads and provided at the lower end of the upper position, a pin provided at the upper part of the lower post portion and formed externally with screw threads matching the sleeve member threads, and a collar on the lower post portion below the pin against which collar the sleeve-shaped member is pressed upon screwing together of the lower and upper post portions to form said joint. |
申请公布号 |
AT355763(B) |
申请公布日期 |
1980.03.25 |
申请号 |
AT19770008806 |
申请日期 |
1977.12.09 |
申请人 |
HIAB-FOCO AB |
发明人 |
PALMCRANTZ JAN BIRGER;RILBE ULF CHRISTER |
分类号 |
B66C23/16;B66C;B66C23/26;B66C23/36;B66C23/62;B66C23/84;E04H12/34;(IPC1-7):66C23/84 |
主分类号 |
B66C23/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|