Invention Grant
US07644506B2 Edge level with side magnets and velcro(hook and loop fastener)
失效
边缘水平与侧面磁铁和尼龙搭扣(钩环紧固件)
- Patent Title: Edge level with side magnets and velcro(hook and loop fastener)
- Patent Title (中): 边缘水平与侧面磁铁和尼龙搭扣(钩环紧固件)
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Application No.: US12031047Application Date: 2008-02-14
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Publication No.: US07644506B2Publication Date: 2010-01-12
- Inventor: Harry Wong
- Applicant: Harry Wong
- Agent Jen-Feng Lee, Esq.
- Main IPC: G01C9/00
- IPC: G01C9/00

Abstract:
Present invention provides an edge level that can be used for measuring angles or levelness on all X, Y and Z axis simultaneously and in hands-free type operation, due to the use of Velcro or external clamps used together with the features introduced herein. A removable pod, containing the Z-axis bubble, provides the flexibility of insertion to the pod seat for measuring Z-axis angle and can be stored or put aside when not in use.
Public/Granted literature
- US20090205214A1 Edge Level with Side Magnets and Velcro Public/Granted day:2009-08-20
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