发明授权
- 专利标题： Pole installation system
- 专利标题（中）： 杆安装系统
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申请号： US12928049申请日： 2010-12-02
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公开(公告)号： US08555563B1公开(公告)日： 2013-10-15
- 发明人: Thomas K. Wong
- 申请人： Thomas K. Wong
- 代理商 Thomas R. Lampe
- 主分类号： E04H12/00
- IPC分类号： E04H12/00 ; E04H12/34 ; E04H12/18 ; H01Q1/12
摘要：
A pole installation system includes a pole base and pole member releasably connected to the pole base. Mover structure is connected to both the pole base and the pole member to raise or lower the pole member while it is pivotally connected to the pole base to install or disinstall the pole member.
公开/授权文献
- US2637141A Musical toy 公开/授权日：1953-05-05
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