发明名称 |
Hole gauge |
摘要 |
The present invention relates to a hole gauge for measuring the inner diameter of a hole, which gauge comprises an axially movable spindle; a pair of tapered surfaces movable together with said spindle; a pair of contact points radially movable with respect to said spindle, guided by said pair of tapered surfaces; and a support arm for said pair of contact points, the outer surfaces of said contact points and said support arm being movable in parallel radially of said spindle.
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申请公布号 |
US4136456(A) |
申请公布日期 |
1979.01.30 |
申请号 |
US19760748888 |
申请日期 |
1976.12.09 |
申请人 |
KABUSHIKI KAISHA MITUTOYO SEISAKUSHO |
发明人 |
YAMAUCHI, MINEO;NAKAHARA, MASAO |
分类号 |
G01B5/12;G01B3/26;G01B3/46;G01B5/14;(IPC1-7):G01B5/12;G01B3/18 |
主分类号 |
G01B5/12 |
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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