06299133 is referenced by 34 patents and cites 6 patents.

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.

Title
Gate valve
Application Number
9/741180
Publication Number
6299133 (B2)
Application Date
December 21, 2000
Publication Date
October 9, 2001
Inventor
Tsuneo Ishigaki
Saitama-ken
US
Kenji Waragai
Ibaraki-ken
US
Agent
Paul A Guss
US
Assignee
SMC Kabushiki Kaisha
US
IPC
F16K 25/00
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