发明授权
- 专利标题: Hand truck system
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申请号: US16388773申请日: 2019-04-18
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公开(公告)号: US11613290B2公开(公告)日: 2023-03-28
- 发明人: Peter Michael Greenup
- 申请人: Peter Michael Greenup
- 申请人地址: US OR Portland
- 专利权人: Peter Michael Greenup
- 当前专利权人: Peter Michael Greenup
- 当前专利权人地址: US OR Portland
- 代理机构: Klarquist Sparkman, LLP
- 主分类号: B62B5/02
- IPC分类号: B62B5/02 ; B62B3/02
摘要:
A hand-truck frame system includes a main frame, a bed frame, and pair of multi-wheel assembles coupled to the main frame and rotatable to provide improved climbing capabilities over certain terrain, such as stairs. The multi-wheel assemblies can have four wheels radially mounted about respective hubs of the first and second multi-wheel assemblies.
公开/授权文献
- US20190322302A1 HAND TRUCK SYSTEM 公开/授权日:2019-10-24
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