Boots – shoes – and leggings – Boots and shoes – Ventilated
Patent
1994-05-11
1996-04-09
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
Ventilated
36 3R, A43B 706
Patent
active
055050107
ABSTRACT:
Ventilation of shoes is efficiently performed by converting an ambulatory movement of the pumping moment of a ventilator in order to eliminate stuffiness and odor in the shoes. The ventilator is comprised of an air groove having a plurality of ventilating holes on the shoe sole, a pump provided inside the heel which returns to the original shape by releasing the stepping in the ambulatory movement, a first unidirectional valve connected between the air groove and the pump which opens/closes the valve by the pressure of the pump, and a second unidirectional valve for ventilating the air.
REFERENCES:
patent: 1660698 (1928-02-01), Williams, Sr.
patent: 2354407 (1944-07-01), Shaks
patent: 2558973 (1951-07-01), Meaker
patent: 2716293 (1955-08-01), Rath
patent: 3027659 (1962-04-01), Gianola
patent: 4860463 (1989-08-01), Pin
patent: 5068981 (1991-12-01), Jung
patent: 5341587 (1994-08-01), Huang
Fukuoka Chemical Industry Co., LTD.
Kavanaugh Ted
Sewell Paul T.
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