SENG MED ETT RORLIGT MADRASSTODJANDE UNDERLAG

摘要

A bed having a movable mattress supporting platform which is mounted upon a frame having ground engaging means in the form of legs, the mounting between the platform and frame including a plurality of operating shafts rotatably mounted to the frame; at least one arm fixed to and radially extending from each operating shaft, the arm being connected to the mattress support platform by one or more connecting links so that when a turning force is applied to the operating shaft the portion of the mattress supporting platform to which the associated connecting links are attached is raised or lowered.