Tire pressure indicator

Details Tire pressure indicator Tire pressure indicator

1983-05-26

1985-06-04

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73744, 116 34R, B60C 2304

Patent

active

045206643

ABSTRACT:
A tire pressure indicator for visual observation of tire pressure including a screw-on cartridge containing a spring-biased piston with a movable shield which covers a central indicator pilot when tire pressure is up to requirements. When pressure is below what it should be, the piston retracts to allow the shield to expose indicator pilot to the view of an observer, thus serving as a warning that inflation is required.

REFERENCES:
patent: 2903888 (1959-09-01), Gfoll
patent: 4362121 (1982-12-01), Pegram

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