| 摘要 |
A new light multi use collapsible stretcher for carrying load comprising: two opposing longitudinal frames each comprising at least four frame plates; at least one bedding member disposed between the longitudinal frames; plurality of hinges; and at least one foldable and reversibly lockable supporting bar disposed between the two opposing longitudinal frames and pivotally connected to the two longitudinal frames by the hinges; the frame plates are pivotally connected to each other by the hinges in a series configuration; the hinges disposed between the frame plates in alternate rotation directions such that the frame plates and the bedding member configured for a reversible operation of unfolding and folding of the stretcher into an unfolded and folded position. |
