Title:
圧力表示器
Document Type and Number:
Japanese Patent JP7068446
Kind Code:
B2
Abstract:
A pressure indicator includes a body, a piston, first and second biasing elements, and a rotatable disc. The piston is disposed at least partially in a bore of the body at a first longitudinal axial position relative to the body when pressure of fluid acting on the base is below a threshold pressure. The first biasing element is disposed between a base of the piston and a shoulder of the body, wherein a force of the first biasing element is overcome by pressure of fluid acting on the base at or above the threshold pressure, thereby allowing the piston to move to a second longitudinal axial position. The rotatable disc has a first rotational position when the piston is in the first axial position. The second biasing element is configured to urge the disc to a second rotational position when the piston is in the second axial position.
Inventors:
Wortman Seth Andrew
Mutley Blood James
Mutley Blood James
Application Number:
JP2020519442A
Publication Date:
May 16, 2022
Filing Date:
September 20, 2018
Export Citation:
Assignee:
Hexagon Technology AS
International Classes:
G01L7/16; G01L19/10; G01L19/12
Domestic Patent References:
| JP51003016Y1 | ||||
| JP45032984B1 | ||||
| JP46016039B1 | ||||
| JP50002112B1 | ||||
| JP49019823B1 |
Foreign References:
| GB264001A | ||||
| US6531960 | ||||
| WO2015013299A2 | ||||
| US3812816 |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation
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