Safe, convenient, comfortable, attractive and adjustable powerless walking aid with four-leg frame
An adjustable, walker technology, applied in the direction of appliances to help people move, vehicle rescue, patient chairs or special transportation tools, etc., can solve problems such as enjoyment, user effort, and lack of humanized considerations. , to avoid slippage
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[0025] The present invention will be further explained below in conjunction with the drawings:
[0026] Such as figure 1 It is a schematic diagram of the overall structure of the seat of the present invention when it is opened. The seat surface (2) and the backrest (3) are connected by a rotating link (8), and are connected with the frame (1) by a link (9); universal wheel (5) Connected to the height adjustment tube (10) and connected to the front leg of the frame (1); the rear wheel (6) is connected to the height adjustment tube (10) and connected to the rear leg of the frame (1); The handle sleeves (4) are respectively sleeved on the armrest positions of the left and right ends of the frame (1); the elastic card (7) is sleeved at the intersection of the seat surface (2) and the frame (1) when the seat surface (2) is folded.
[0027] in Image 6 Among them, the rear wheel (6) is composed of a hub (11), a spring (12), an arc tire (13), and a pin (14); the hub has six supporting leg...
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