Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1997-07-21
1999-12-28
Patel, Harshad
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
731468, 340442, 200 6122, 116 34R, B60C 2302, B60C 2300, H01H 3500
Patent
active
060066008
ABSTRACT:
The invention herein relates to a kind of tire pressure alarm device that mainly consists of a cap installed on a connector body, with a trigger device and a power supply fixture installed within the internal space surrounded by the said connector body and the said cap; a pressure switch that includes an active recessed seat having a circular contact edge and which is capable of upward and downward movement within the confines of a guide ring mount, with the lower section positioned against the top of a diaphragm; a hollow threaded base that is fastened onto a mounting base at the upper extent of the active recessed seat and in which the coil spring contained inside the active recessed seat is secured with an adjustment screw; and a conductive ring, the circular edge of which contacts the outer circumference of the active recessed seat such that electric power is conducted between the conductive ring and the trigger device. The metal connector base and the plastic sleeve base of the connector body are formed as a single integrated unit and the said cap is screwed onto the sleeve base. The connector base is divided into two spaces by a spacer mount, of which one space has internal threads as well as a valve nozzle, and can be fastened to the threads on a tire valve stem and the space on the other side conjoined to the said sleeve base contains the components of the said pressure switch and, furthermore, all the components of the said pressure switch are inserted in the same direction.
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Clark Robin C.
Patel Harshad
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