| 摘要 |
This device for opening and closing the folding roofs of wagons by means of crank handles 17 placed on the side of the wagons comprises: - a vertically adjustable frame 2, - a rotary drive means 12, such as a drilling machine, and - a sleeve 16 comprising a first end, capable of coming into engagement with the drive means 12, and a second end 18, 19 capable of fitting onto at least part of the shaft and the arm of the crank handle 17. <IMAGE>
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