Measuring and testing – Tire – tread or roadway
Reexamination Certificate
2011-03-01
2011-03-01
Allen, Andre J (Department: 2855)
Measuring and testing
Tire, tread or roadway
Reexamination Certificate
active
07895887
ABSTRACT:
The present invention aims to coaxially aligning a tire with support rims with high accuracy by eliminating an effect of a tread outer surface.A radial inner end position of the bead portion of the tire his detected by a photoelectric sensor at circumferentially separated four points, and a deviation between the central axis of the tire and the central axis of a pair of support rims. The bead portion of the tire, which is an subject of the detection of the inner end position, is a portion where its dimension and shape are hardly changed even if the tire runs (i.e., is used) for a long time, so that the above-mentioned deviation can be determined at a high accuracy to, thereby, conduct a center alignment of the tire with the support rims at a high accuracy.
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Allen Andre J
Bridgestone Corporation
Oliff & Berridg,e PLC
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