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The weight of the chair used in household ranging from 5kg to 10kg which is not convenient for children and the elderly to move.
The Pulley-Chair makes it possible to be easily towed away by bending backwards 30° with two rollers. Furthermore, it is more convenient for the adults to handle more chairs.
Wuhan University of Technology
Xiong Jian,Xu Wenxin,Sun Jin,Chen Zhou,
WuHan University of Technology