Apparatus for marking radial first harmonic high point on a tire

Details Apparatus for marking radial first harmonic high point on a tire Apparatus for marking radial first harmonic high point on a tire

1980-03-27

1982-01-05

Myracle, Jerry W.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

043087477

ABSTRACT:
The radial first harmonic high point on a tire is marked as the tire is rotated on a uniformity machine having a sensor for sensing the high point. A tubular housing carried by a rotatable shaft receives a marking fluid which is dispensed at the lower end thereof by a spring loaded ball that is depressed by contact with the tire sidewall. The shaft is rotated to move the ball into contact with the tire in response to the sensor sensing the radial first harmonic high point on the tire with rotation of the shaft being synchronized with movement of the tire so that the radial first harmonic high point of the tire corresponds with the point of contact with the ball with the tire.

REFERENCES:
patent: 3518878 (1970-07-01), Landsness et al.
patent: 4198858 (1980-04-01), Farmer et al.

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