发明名称 |
Combined primary and secondary sine bars |
摘要 |
A primary and secondary sine-bar combination wherein one sine-bar has opposite end plugs shared with the other sine-bar, for compound determination of sine-bar angularity in degrees, minutes and seconds, using gage-blocks and/or micrometer adjustment within plus or minus one degree for height resolution in minutes and seconds.
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申请公布号 |
US4679329(A) |
申请公布日期 |
1987.07.14 |
申请号 |
US19860892259 |
申请日期 |
1986.08.04 |
申请人 |
GOLDSMITH, WESLEY R.;DI MARCO, JOEL E. |
发明人 |
GOLDSMITH, WESLEY R.;DI MARCO, JOEL E. |
分类号 |
G01B5/24;(IPC1-7):G01B3/56 |
主分类号 |
G01B5/24 |
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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