发明名称 Auxiliary wheel assembly
摘要 An auxiliary wheel assembly mounted on a selected portion of a wheelbarrow including a wheel adapted to be pivoted forwardly and secured in elevated condition when out of operative position, said wheel adapted to be pivoted rearwardly and support the rear portion of said wheelbarrow in operative position, and means to secure said wheel in elevated condition in a rearward position.
申请公布号 US4061349(A) 申请公布日期 1977.12.06
申请号 US19760750012 申请日期 1976.12.13
申请人 STAHL, ROY LAYTON 发明人 STAHL, ROY LAYTON
分类号 B62B1/18;B62B1/20;(IPC1-7):B62B1/20 主分类号 B62B1/18
代理机构 代理人
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