Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1998-08-18
2000-03-07
Fuller, Benjamin R.
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
177210R, 356 71, E01C 2300, G01G 314, G06K 974
Patent
active
060325224
ABSTRACT:
A vehicle tire inspection apparatus includes a flat plate, a flexible bladder containing a quantity of fluid, and transducers on the plate. The plate is made of a transparent yieldable resilient bendable material capable of transmitting an inflated vehicle tire footprint and of undergoing a deflection in response to the supported weight on the tire applied thereon. The bladder is supported on the top side of the plate and has an upper opaque portion of a first color, a lower transparent portion and an enclosed interior cavity. The fluid contained within the cavity is of a second color different from the first color of the upper bladder portion. The fluid is displaceable within the bladder as the upper bladder portion is forced toward the lower bladder portion when the tire is applied upon the upper bladder portion so as to create an image of the footprint of the tire viewable on the bottom side of the plate by contrast between the second color of the fluid viewable where a tread of the tire does not press the upper bladder portion against the lower bladder portion on the top side of the plate and the first color of the opaque material of the upper bladder portion viewable where the tread of the tire presses the upper bladder portion against the lower bladder portion on the top side of the plate. The transducers are attached to the bottom side of the plate and undergo deformations proportional to the deflection of the plate and produce electrical signals proportional to the deformations.
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Barnes Frank S.
Clark Alfred L.
Frey Richard
Gormley Tom
Aw-Musse Abdullahi
Flanagan John K.
Flanagan John R.
Fuller Benjamin R.
Synergos, LLLP
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