| 摘要 |
The invention relates to a platform body (10) covering mechanism comprising a flexible cover (11) and pulling devices op- erating in conjunction with each other, which pull the cover over the platfo rm body and off it. The pulling devices comprise a pulling cable wire (13) for pulling the cover over the platform body and a drum (12) around which the cover is wound when it is removed from over the platform body. At the edge of the cover is formed a reinforcement (14), the end pieces (41) of which move in the guides (42) at the sides (31) of the platform body. The guides are ma de curved so that they are closer to each other at the centre part of the platform body. Thus, the reinforcement (14) will bend upwards to form a curve at the centre part of the platform body, so that the cover can be brought over the platform body even where the load (40) placed on the platform body is higher than the sides (31) of the platform body.
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