Tire pressure indicator

Details Tire pressure indicator Tire pressure indicator

1993-03-01

1995-02-07

Cuchlinski, Jr., William A.

Signals and indicators

Vehicle

Tire inflation or deflation

B60C 2306

Patent

active

053867947

ABSTRACT:
A qualitative indication of the pressure in a pneumatic tire is provided by a sliding marker in a sleeve. The marker moves in a chamber formed by a hollow lens closing one end of the sleeve and a diaphragm within the sleeve. A spring forces the marker toward the diaphragm and air pressure from the tire is applied to the opposite side of the diaphragm from the marker. A pressure above a predetermined amount is indicated by the end of the marker substantially filling the hollow lens and a pressure below the predetermined amount is indicated by the end of the marker withdrawing into the sleeve.

REFERENCES:
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patent: 2417449 (1947-03-01), Rubin
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patent: 4708169 (1987-11-01), Liu
patent: 5007365 (1991-04-01), Hwang
patent: 5025244 (1991-06-01), Huang
patent: 5027740 (1991-07-01), Kramer et al.

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