Double tire inflation balancer and tire pressure indicator

Signals and indicators – Vehicle – Tire inflation or deflation

Patent

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Details

731468, 116272, B60C 2304, G01L 1700

Patent

active

057718342

ABSTRACT:
A double tire inflation balancer and tire pressure indicator including a main body, a tire pressure indicator and an inflation tube. The tire pressure indicator is disposed in the main body and the main body is connected to the tire valve by an inflation hose. A pair of one-way valves formed by the round head rods and the small springs are provided in the main body, during inflation, the air first goes into the tire with less tire pressure. After the pressure of the inner tire is equalized with that of the outer tire, the two tires are then simultaneously inflated until the tire pressure reaches a normal pressure value. A transmission piston of the tire pressure indicator is compressed by the air, whereby a user can observe three indications of red, green and yellow colors of the front end of the transmission piston. The red color indicates insufficient tire pressure, the green color indicates normal tire pressure, while the yellow color indicates excessive tire pressure. The driver can inflate or deflate the tire according to the color indication.

REFERENCES:
patent: 1268467 (1918-06-01), Jacobson et al.
patent: 1807752 (1931-06-01), Poster
patent: 3235684 (1966-02-01), Jordan et al.
patent: 3260233 (1966-07-01), Begunder
patent: 4059823 (1977-11-01), Martin et al.
patent: 4520664 (1985-06-01), Kramer
patent: 5505080 (1996-04-01), McGhee

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