发明名称 Walk assistance device
摘要 A walk assistance device includes a handle and a base connected to a lower end of the handle. Two brake members extend from two ends of the base and two frames are pivotally connected to the base. Each of the frames has two wheels connected thereto, a gap is defined between each of the brake members and the wheels. A spring is connected between each of the frames and the brake members when pushing the handle toward the wheels which are pushed upward by the ground to contact the brake members.
申请公布号 US2003094191(A1) 申请公布日期 2003.05.22
申请号 US20010988861 申请日期 2001.11.21
申请人 LIN MEI-YU 发明人 LIN MEI-YU
分类号 A61H3/04;(IPC1-7):A45B1/02 主分类号 A61H3/04
代理机构 代理人
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