发明名称 |
Gate valve |
摘要 |
A gate valve comprises a valve rod for making displacement in accordance with a driving action of a cylinder mechanism; a guide shaft for guiding the valve rod; a valve disk for opening/closing a passage in accordance with a displacement action of the valve rod; a rack connected to the valve rod, for making displacement integrally with the valve rod; a pinion rotatably supported by a casing, for meshing with the rack; and a pillow member connected to the valve disk and formed with a male thread for making engagement with a female thread formed on an inner circumferential surface of the pinion.
|
申请公布号 |
US2001004106(A1) |
申请公布日期 |
2001.06.21 |
申请号 |
US20000741180 |
申请日期 |
2000.12.21 |
申请人 |
WARAGAI KENJI;ISHIGAKI TSUNEO |
发明人 |
WARAGAI KENJI;ISHIGAKI TSUNEO |
分类号 |
F16K3/18;F16K3/02;F16K3/20;F16K31/54;F16K51/02;(IPC1-7):F16K31/44;F16K3/00 |
主分类号 |
F16K3/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|