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People always have difficulty carrying a heavy suitcase upstairs oft . Especially women and the elderly, when people are walking upstairs lifting the suitcase, it’s easily to be knocked against by the stairs. the suitcase that we design solve the problem very well. There are two sliding rails mounted on the sides. There is no need to lift suitcase anymore , instead, it can slide on the stair edge with the sliding rails instead of by hand carry luggage, can save a lot of energy.
Dalian Minzu University
Dalian Nationalities University