GAS RELEASE PREVENTER AND WORKING SHAFT CONTROL MEMBER FOR IT

Japanese Patent JP3833745

B2

PROBLEM TO BE SOLVED: To provide a gas release preventer provided with a working shaft control member of the structure capable of easily and surely being fitted.
SOLUTION: A working shaft control member 8 is provided with an engagement member 81 having a plate part 81b and a holding part 81a, and a cylindrical body 82 in which an upper wall part 82c is arranged so as to be engaged with a projected end part of the working shaft to be projected from a shaft through hole, and of the inner diameter which is slidable along the outer circumferential surface of a storage cylindrical part of a body part in which the shaft through hole is formed, and an opening part 82a to be closely fitted to the plate part 81b of the engagement member 81 is provided on a circumferential wall. An engagement groove to be engaged with a holding member of the working shaft control member 8 is cut at the position corresponding to the opening part 82a of the cylindrical body 82 when the upper wall part 82c of the cylindrical body 82 of the working shaft control member 8 is pressed to advance the working shaft. In the normal condition, the holding part of the engagement member 81 is engaged with the engagement groove of the storage cylindrical part, and the plate part 81b is closely fitted to the opening part 82a to hold a valve disk in the open condition.

Mitsuru Shimizu

JP19518996A

October 18, 2006

July 08, 1996

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Shinko Metal Industry Co., Ltd.

F16K17/36; (IPC1-7): F16K17/36

JP60173769U
JP3016988U
JP5139424A
JP54176121U
JP5956500U
JP5296A
JP5185314U

Minoru Senda

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