| 摘要 |
The invention relates to a hoisting device ( 1 ), in particular for a vehicle, including a substantially vertical column forming a frame ( 2 ) and lifting means ( 6 ) movable alongside said column ( 2 ) under the action of the control, by adequate driving means ( 12 ), to cause a threaded rod ( 9 ) to rotate and a nut ( 13 ) integral with said movable lifting means ( 6 ) on which the load to be lifted is designed capable of resting to move along the latter. In this hoisting device, the threaded rod ( 9 ) includes, at its lower end ( 14 ), a removable extension ferrule ( 15 ).
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