发明名称 Piano hand truck
摘要 A grand piano hand truck comprising an elongated piano-receiving frame pivotally supportable on an A-frame jacking carriage is disclosed. A transport base positioned adjacent the carriage receives the piano and elongated frame so that the piano is supported on its side during transit.
申请公布号 US4122958(A) 申请公布日期 1978.10.31
申请号 US19770817369 申请日期 1977.07.20
申请人 THAYER, ORLA E. 发明人 THAYER, ORLA E.
分类号 B62B3/10;(IPC1-7):B60P1/34 主分类号 B62B3/10
代理机构 代理人
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