| 摘要 |
A trailing wheel assembly is moved such that its wheels 164 come into contact with the ground prior to loading the stretcher into an ambulance. Forward loading wheels 50 support the front of the stretcher on the ambulance floor 160 . The undercarriage 12 is then raised and the stretcher is moved into the ambulance by the operator pushing, without the operator having to support any part of the stretcher. Just before the stretcher is fully home, the trailing wheel assembly 162 is moved into a storage position by pivoting the struts 166 and then pushing the struts into the rear of the stretcher to conceal the trailing wheel section between opposed side members of the upper frame of the stretcher.
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