作者: Yung-Tsun Chang
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摘要: A brake device in a skateboard cart comprises square fixed base, cover, and two springs. The base has an upright side projection ear with engaging hole extending outward from upper part of the horizontally. Two circular grooves are provided at lower corners respectively is fixedly attached to rear cart. cover end pivotally engaged ear. These springs received these urge against cover. can be operated smoothly conveniently keep away wheel by way resilient forces urging case being not pressed foot.