| 摘要 |
<p>A platform for supporting a housing, the housing and platform being provided with complementary parts of a mounting device which define the position of the housing when mounted on the platform, comprising a fixed surface of the platform on which the housing may be supported and on which part of said mounting device is located, a lifting mechanism moveable between upper and lower positions relative to said fixed surface, whereby in its lower position, the lifting mechanism allows the complementary parts of the mounting device of the housing and the fixed surface to be in contact with one another and in its upper position, the lifting mechanism causes the complementary parts of the mounting device of the housing and the fixed surface to at least partly break contact with one another.</p> |
