发明名称 |
Measuring arrangement to determine location of corners for a building foundation and a wooden base frame, and the use thereof |
摘要 |
An arrangement comprising a laser projection device is used in determining the location of corners in constructing a foundation of a building or other structure. The arrangement is also used in positioning wooden beams perpendicular to one another in a floor frame or similar structure.
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申请公布号 |
US2007074410(A1) |
申请公布日期 |
2007.04.05 |
申请号 |
US20060445935 |
申请日期 |
2006.06.02 |
申请人 |
ARMSTRONG TIMOTHY D;HATHAWAY GLENN T |
发明人 |
ARMSTRONG TIMOTHY D.;HATHAWAY GLENN T. |
分类号 |
G01C15/00 |
主分类号 |
G01C15/00 |
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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