Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2006-01-24
2006-01-24
Noori, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
Reexamination Certificate
active
06988416
ABSTRACT:
A device for testing, measuring and indexing shoes is disclosed. The device measures the capacity for vertical support of the midsole which is located directly under the heel of the foot. A base value is established for a specific brand and model of shoe. This permits the consumer to compare the amount of cushioning and shock absorption during the heel strike phase of running or walking activities of any of a plurality of different brand and models of shoe. Further, one may determine the value of a shoe which has been used to determine whether it should be replaced. The device employs a heel ram which would be inserted into the shoe directly above the midsole where the heel of the foot would reside. The ram is then forced into the midsole material. When a specific amount of pressure is achieved (PSI), a sensor measures the depth of penetration into the material. The less depth that is reached with the predetermined pressure, the more structure there is in the midsole. A greater depth (at the predetermined pressure) on the same brand and model of shoe would indicate that there is less structure (and structural integrity) in the midsole. This would give the consumer an independent assessment of the quality of either a used shoe or a new shoe with respect to other shoes in the same class. The device may also measure the decrease in vertical support of the midsole due to increased temperature and compression forces. This device may be employed singly or in combination with a torsional shoe testing device.
REFERENCES:
patent: 3005218 (1961-10-01), Johnston
patent: 6289743 (2001-09-01), Norton
patent: 6739200 (2004-05-01), Norton
patent: 6820353 (2004-11-01), Oman et al.
Davis Octavia
Hamill Jr. Tom
Noori Max
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