| 摘要 |
1498950 Hospital beds G D SEARLE & CO Ltd 17 Sept 1975 [8 Oct 1974] 43568/74 Heading A4J [Also in Division B7] In a stretcher bed pairs of legs 6 are articulated to a frame 1 forming part of or separately receiving a support member, and extensible arms 9 are connected between at least one leg of each pair and the frame to allow the height and angle of the support member to be adjustable. In a preferred embodiment, Fig. 4, each pair of legs 6 is connected to the stretcher frame 1 by pneumatic springs 9 wherein a lever may be used to adjust and fix the length of the springs 9 according to the desired height of the stretcher. In a modification, Fig. 5, a webbing 20 is attached to a tubular steel frame 21. The generally rectangular frames 25 of tubular aluminium are pivotally attached to the frame 21 and to wheeled carriage frames 28. The side guards 23 may be slidable longitudinally of the frame 21.
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