Pressure detection indication device and clog detector using...

Details Pressure detection indication device and clog detector using... Pressure detection indication device and clog detector using...

2005-11-01

2005-11-01

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

Combined

Reexamination Certificate

active

06959606

ABSTRACT:
The invention provides a pressure detection indication device with a simple structure. The pressure detection indication device1comprises a main body11having an internal space111of the body communicating with a space to be subjected to pressure detection, a case12having an internal space121of the case communicating with a space different from that communicated with the internal space111,a diaphragm14airtightly separating the internal space111of the body from the internal space121of the case, an indication mark disposed on the diaphragm and placed in the internal space of the case, a lens13disposed within the case, a stopper member15attached to the diaphragm14,a biasing means17for biasing the diaphragm14toward the lens, and a stopper receive surface117provided in the internal space111.

REFERENCES:
patent: 4486744 (1984-12-01), Pratt et al.
patent: 5828458 (1998-10-01), Taylor et al.
patent: 6126595 (2000-10-01), Amano et al.
patent: 2004-36699 (2004-02-01), None

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