Pressure alarm device

Details Pressure alarm device Pressure alarm device

2005-05-17

2005-05-17

Oen, William (Department: 2855)

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

C340S442000

Reexamination Certificate

active

06892570

ABSTRACT:
The present invention discloses a pressure alarm device comprising a first thread section defined in a connector of a connecting base for fixing an air nozzle of a tire by a screw, and a second thread section for fixing a valve nozzle by a screw; a flexible film disposed between said second thread section and said isolating base, and the film is fixed into a position by the valve nozzle; a conductive wire comprising an annular conductive ring with an upper surface and two conductor stands correspondingly disposed with an appropriate distance apart under the conductive ring.

REFERENCES:
patent: 4869306 (1989-09-01), Keys
patent: 5585554 (1996-12-01), Handfield et al.

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