| 发明名称 |
Detachable handle for control devices |
| 摘要 |
A combined stem assembly and removable handle for a rotary control device such as a valve. The handle interlocks with an indexing member and is secured by a hollow nut that screws onto the stem over and enveloping the nut holding the stem assembly together.
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| 申请公布号 |
US4193579(A) |
申请公布日期 |
1980.03.18 |
| 申请号 |
US19770849678 |
申请日期 |
1977.11.08 |
| 申请人 |
PARKER AND HARPER MFG CO INC |
发明人 |
MASSEY, ROGER G |
| 分类号 |
F16K31/60;(IPC1-7):F16K31/60 |
主分类号 |
F16K31/60 |
| 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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