Running shoe with rear stabilization means

Details Running shoe with rear stabilization means Running shoe with rear stabilization means

1980-10-06

1982-12-21

Kee Chi, James

Boots, shoes, and leggings

Soles

Sectional

36 30R, 36 32R, 36 91, 36129, A43B 1314, A43B 1312, A43B 1304, A43B 506

Patent

active

043641881

ABSTRACT:
A running shoe having an outer sole and a midsole. The midsole comprises a forefoot portion, an arch portion and a heel portion all formed of a resilient material having a first durometer sufficiently low to provide good cushioning and impact absorption. Rear foot stabilization means in the form of a mass of resilient material is located and confined within the midsole adjacent the medial side of the heel portion. The durometer of the stabilization means is higher than the durometer of the midsole to provide resistance to compression at the medial side of the heel portion, thereby lessening the tendency of the shoe to overpronation. In one embodiment, the stabilization means comprises plural plugs confined fully within the midsole. In another embodiment, the stabilization means extend through the outsole and into the insole.

REFERENCES:
patent: 2885797 (1959-05-01), Chrencik
patent: 3293494 (1966-12-01), Fischer
patent: 4128950 (1978-12-01), Bowerman et al.
patent: 4237626 (1980-12-01), Brown
patent: 4246706 (1981-01-01), Persons, Jr.
patent: 4302892 (1981-12-01), Adamik

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