Wheelchair frame folding safety device
The invention relates to a wheelchair frame folding safety device. The device is characterized in that a frame is composed of a body support, a front wheel supporting bracket and a rear wheel supporting bracket, the upper end of the rear wheel supporting bracket is positioned on the front side of th...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a wheelchair frame folding safety device. The device is characterized in that a frame is composed of a body support, a front wheel supporting bracket and a rear wheel supporting bracket, the upper end of the rear wheel supporting bracket is positioned on the front side of the lower end of the rear wheel supporting bracket, the upper end of the front wheel supporting bracket and the upper end of the rear wheel supporting bracket are hinged and fixed to form a hinged position, a first penetrating groove penetrating in a left-right manner and a hinging shaft positioned in the first penetrating groove are arranged at the hinged position, a switch pin is fixed on one of the front wheel supporting bracket and the rear wheel supporting bracket, a second penetrating groove penetrating in a left-right manner is formed in the other of the front wheel supporting bracket and the rear wheel supporting bracket, and the rear side face of the upper end of the front wheel supporting bracket or the fro |
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