| 摘要 |
Cart which consists of an upper element or platform, which is supported by the general structure of the device, which has two articulated support points which coincide with the lateral ends of the initial platform. The supports are secured by bar profiles, via which they slide and at the opposite ends of which they have two longitudinal couplings or runners where the articulated supports of the movable bars are secured at a defined length. Thus, in order to raise or lower the platform, it suffices to move said articulated supports along the runners, causing an increase or decrease in the angle formed by the base which contains the runners and the actual bars. This mechanism is capable of making it possible to make the movements of said bars independent, creating two degrees of freedom, that involving rising and that involving tilting. <IMAGE>
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