Wheel trouble detecting and warning device

Details Wheel trouble detecting and warning device Wheel trouble detecting and warning device

1982-08-10

1985-05-28

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

200 6122, B60C 2302

Patent

active

045203440

ABSTRACT:
A wheel trouble detecting and warning device for wheeled motor vehicles, comprising tire pressure detecting valves, an air horn and a plunger unit to be mounted on each wheel, the tire pressure detecting valves being adapted to allow air from the tire to be supplied to the air horn to produce a warning sound when the tire is over or under inflated. In the meantime air is also supplied to a plunger unit which is then caused to activate an electrical switch mounted on the wheel axle housing to flash a warning lamp provided in the vehicle. The wheel is further provided with a dog member fixedly mounted on the wheel rim to activate the electrical switch when the wheel wobbles as a result of loosening of the wheel bolts or failure of the wheel bearing.

REFERENCES:
patent: 3944971 (1976-03-01), Ramirez
patent: 4103282 (1978-07-01), Cook
patent: 4187495 (1980-02-01), Mitchell

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