发明名称 Trolley designed to climb stairs has toothed wheels with teeth distributed and profiled so that stair nosing enters successively between pairs of teeth
摘要 The trolley (1) climbs a stair (8) by means of toothed wheels (5). The teeth are distributed and have a profile so that the stair nosing (9) enters successively in between pairs of teeth (10).
申请公布号 FR2843727(A1) 申请公布日期 2004.02.27
申请号 FR20020010396 申请日期 2002.08.20
申请人 DOUILLARD MICHEL 发明人 DOUILLARD MICHEL
分类号 B62B5/02;(IPC1-7):B62B5/02 主分类号 B62B5/02
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