| 摘要 |
The present invention relates to a frame (1) which is to be mounted onto a ski slope maintenance vehicle (15) having a winch (17), and which supports a jib (3) for directing a cable (21) between a reeling drum (23) of the winch (17) and a point for attaching the cable (21) for pulling the vehicle (15), wherein said frame (1) includes a deformable quadrilateral structure (5) that makes it possible to vary the height of the jib (3). |
