Manual automatic loading and unloading stretcher
An automatic loading and unloading, hand-cranked technology, which is applied to home appliances, bedspreads, applications, etc., can solve the problems of increasing patients' pain, endangering patients' lives, secondary injuries, etc., and achieves convenient and flexible rotation, low friction, and strong load-bearing capacity. Effect
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[0029] Such as Figure 1-7 As shown, the hand-operated automatic loading and unloading stretcher of the present invention includes a frame 1, a fixed roll bar 2, a movable pull plate 3, a double-layer canvas belt 4, a hand crank transmission device 5, a buckle 6 and a steel wire 11, and the frame 1 It is a rectangular frame, the cross-section of the four side bars of the frame 1 is L-shaped and the horizontal plate is set downward, the first long side bar 7 of the frame 1 is installed on the horizontal plate with a fixed roll bar 2 through bearings, and the movable pull plate 3 Located in the middle of the frame 1 and arranged parallel to the first long side rod 7, the structure of the movable pull plate 3 is that multiple groups of guide roller tubes are arranged side by side on the board body, and the fixed roll rod 2 is connected with a plurality of double-layer canvas belts 4 The movable pull plate 3 is connected, one end of the double-layer canvas belt 4 is fixedly connec...
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