stretcher stretcher
A technology for stretchers and together, which is applied in stretchers, vehicle ambulance, medical transportation, etc. It can solve problems such as accidents, patient injuries, and potential safety hazards, and achieve the effect of avoiding interference and realizing the expansion and contraction of stretchers
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[0012] As shown in the figure, a telescopic stretcher includes two longitudinal rods and a plurality of connecting horizontal rods 2 connecting the two longitudinal rods. The longitudinal rods are composed of an outer hollow tube 3 and an inner hollow tube 1 The inner hollow tubes 1 of the two longitudinal rods are arranged symmetrically at the same end of the stretcher, and the inner hollow tubes 1 are provided with a through groove 101 along the axial direction to cooperate with the end of the connecting cross bar 2. There is a compression spring I4 in the through groove 101, which is located in the through groove 101, and the two adjacent connecting bars 2 are connected by the compression spring I4; the inner hollow tube 1 and the outer hollow tube 3 are respectively provided with matching The spherical spring button 6 and the hole 7, the holes 7 are a plurality of intervals, the spherical spring button 6 is fixedly connected with the compression spring II 8 vertically arran...
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