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suitable wheels / suitable wheels

suitable wheels

This design is to improve the wheels of suitcase.The wheels can be folded and received up (the little wheel in the middle will be the only working one)to save space when being used in flat road.If ground is pot-holed (or climbing the steps),on the contrary,the other three bigger wheels can be unfolded to adapt it 。

University

大连工业大学

大连工业大学
DaLian Polytechnic University
大连市 DaLian, China

Design

大连工业大学

大连工业大学
DaLian Polytechnic University
大连市 DaLian, China

Lin YingBo Zhao JinJian