| 摘要 |
It consists of a mobile rod (5), parallel to the edge of the canvas, on which a plurality of straps (7) form integral part, and which are finished off into hooks, corresponding to rings (9) attached on the canvas (4), said mobile rod (5) playing inside recesses (10) of the crosspieces (3) of the structure of the vehicle and being activated by means of various double-effect hydraulic and pneumatic pistons (12), appropriately distributed along the chassis of the vehicle, in such a manner, that when said pistons (12) retract, they pull on the mobile rod (5), and through the strap (7), of the canvas (4), for a perfect tightening of the same. <IMAGE>
|
