Boots – shoes – and leggings – Boots and shoes – Ventilated
Patent
1996-02-01
1997-12-16
Kavanaugh, Ted
Boots, shoes, and leggings
Boots and shoes
Ventilated
36 3R, A43B 706
Patent
active
056971710
ABSTRACT:
An air heel configuration to be used in the construction of a shoe of any type, whether high-heel or flat heel, in which an inner heel portion is activated as the wearer steps downward to move a spring-loaded plunger upward, opening an outlet ball valve, forcing air into a pocket in the inner sole, the air being pushed through ventilation apertures in the toe air, thus cooling the feet. As the heel of the wearer is raised, the outlet ball closes and the intake ball opens, the spring-loaded plunger moves downward, the outlet all closes and the intake ball opens, creating enough force to draw air into the air chamber within the inner heel portion.
REFERENCES:
patent: 795502 (1905-07-01), Gareau
patent: 1453394 (1923-05-01), Klepac
patent: 2266476 (1941-12-01), Riess
patent: 4835883 (1989-06-01), Tetrault et al.
patent: 4974342 (1990-12-01), Nakamura et al.
patent: 4993173 (1991-02-01), Gardiner
patent: 5010661 (1991-04-01), Chu et al.
patent: 5138775 (1992-08-01), Chu
patent: 5341581 (1994-08-01), Huang
patent: 5353525 (1994-10-01), Grim
Kavanaugh Ted
McGlynn Joseph H.
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