发明名称 |
Expandable and Convertible Hand Trucks |
摘要 |
A hand truck comprising: (1) a hand truck frame; (2) a nose plate that is disposed adjacent a lower end of the hand truck frame; (3) a plurality of primary wheels disposed adjacent the nose plate; (4) at least one secondary wheel that is disposed adjacent an upper end of the hand truck frame; and (5) an extension mechanism that is adapted to allow a user to selectively adjust the distance between the plurality of primary wheels and the at least one secondary wheel. |
申请公布号 |
US2012153585(A1) |
申请公布日期 |
2012.06.21 |
申请号 |
US201113328938 |
申请日期 |
2011.12.16 |
申请人 |
RYAN PAUL;WOOD ROBERT A.;DG MANUFACTURING, LLC |
发明人 |
RYAN PAUL;WOOD ROBERT A. |
分类号 |
B62B3/02 |
主分类号 |
B62B3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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