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减负书包的原理是什么
更新时间: 2020-08-17 00:00:00  

减负书包,它是在现有书包与人体背部之间构成书包的柔性装物袋垂直方向上设置刚性支架来实现的,上述的刚性支架由刚性主架、与刚性主架成动配合设置的刚性滑动架以及定位在刚性滑动架下部的柔性软垫三者构成。人体在背书包时由于其臀部位置通过对柔性软垫的向上的分力作用,使得人体臀部位置与人体的左右肩部共同分担书包的重量,为大幅度减少书包对人体左右肩部的压力创造了条件。提高了人体背书包时的舒适程度。

关键词: 减负 书包 原理 什么

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