Title:
OPERATION VALVE
Document Type and Number:
Japanese Patent JP2023031493
Kind Code:
A
Abstract:
To provide an operation valve which prevents forgetting to lock.SOLUTION: An operation valve 100 includes: a valve 131 which controls circulation of a fluid; a housing body 130 which houses the valve; a mandrel 170 which controls opening/closing of the valve; an operation lever 110 which operates rotation of the mandrel in a circumferential direction; an operation cover 150 which is operated to switch a state of the valve between a lock state in which the rotation is restricted to keep the valve in a closed state and an unlock state in which the lock state is released; and an elastic body 160 which biases the operation cover in a direction such that the lock state is maintained.SELECTED DRAWING: Figure 3
Inventors:
YAMAMOTO RYOHEI
Application Number:
JP2021137015A
Publication Date:
March 09, 2023
Filing Date:
August 25, 2021
Export Citation:
Assignee:
FUMOTO GIKEN KK
International Classes:
F16K35/00
Attorney, Agent or Firm:
Shuhei Katayama
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