Tire inflation indicator

Details Tire inflation indicator Tire inflation indicator

1988-11-07

1989-07-25

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

731465, 116 34R, 116 34A, 200 6122, B60C 2300

Patent

active

048518093

ABSTRACT:
A tire inflation indicator is integrated into the sidewall of a tire to give a visual indication of proper pressurization. A small lamp is imbedded in the sidewall and is electrically connected through the sidewall to a pneumo-mechanical switch and battery. The switch connects the battery to the lamp when the tire pressure falls below a predetermined level.

REFERENCES:
patent: 3787806 (1974-01-01), Church
patent: 4318436 (1982-03-01), Shurman
patent: 4601254 (1986-07-01), Huang et al.

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