发明授权
- 专利标题: Wheelchair lift device
- 专利标题(中): 轮椅升降机
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申请号: US277952申请日: 1981-06-26
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公开(公告)号: US4381899A公开(公告)日: 1983-05-03
- 发明人: Ralph H. Merkle
- 申请人: Ralph H. Merkle
- 申请人地址: MI Detroit
- 专利权人: General Motors Corporation
- 当前专利权人: General Motors Corporation
- 当前专利权人地址: MI Detroit
- 主分类号: A61G3/06
- IPC分类号: A61G3/06 ; B60P1/44
摘要:
A wheelchair lift device located in a bus stepwell that includes foldable hinged sections normally positioned through a first linkage to form a step with a riser and in which the first linkage operates during deployment to control forward swinging movement of the sections to form a platform for supporting a wheelchair that can be lowered to ground level by a second linkage.