发明名称 |
ROTARY FLUID PRESSURE CYLINDER DEVICE FOR OPERATING CHUCKS FOR MACHINE TOOLS |
摘要 |
A power cylinder for operating a chuck for a machine tool has a rotary cylinder casing, a pair of check valves for confining a pressure fluid in an operating chamber, accumulators for absorbing impacts of the pressure fluid, and detecting means for detecting the fluid pressure in the operating chamber. The power cylinder can be rotated in a state wherein the feeding and discharging of the pressure fluid is stopped. |
申请公布号 |
EP0200796(A3) |
申请公布日期 |
1988.01.20 |
申请号 |
EP19850105504 |
申请日期 |
1985.05.06 |
申请人 |
KABUSHIKI KAISHA KITAGAWA TEKKOSHO |
发明人 |
NOBUKAWA, AKIRA;OOTA, KOJIRO;SAWAGUCHI, TATUEI |
分类号 |
B23B31/30;(IPC1-7):B23B31/30 |
主分类号 |
B23B31/30 |
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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