| 摘要 |
The invention relates to a device pertaining to a tarpaulin cover for lorry and trailer platform bodies for rolling up and rolling down a tarpaulin cover side by means of a crank device. The tarpaulin cover side is provided with a rail 5 extending parallel with the top edge of the tarpaulin cover side and along the side. According to the invention, the one end of the rail 5 is non-rotatably connected to the shaft 7 belonging to the gearwheels of a worm gear 69, the shaft 8 belonging to the worm of the worm gear is non-rotatably fastened to a first rod 9, and a second rod 10, to which a crank web 11 is fastened, can be non-rotatably but displaceably attached to the first rod 9. <IMAGE> |
