Patent ID: 6305099
Filing Date: 2001-10-23
Classification: A43B

Abstract:
In combination, a sole for a shoe that has an air refreshing system and a unidirectional air inlet valve and an unidirectional air outlet valve in the air refreshing system,the shoe sole comprisingan air outlet chamber;an air inlet chamber defined by a peripheral wall, a through hole in said peripheral wall, and a transverse wall, said peripheral wall and transverse wall forming said wall enclosed air inlet chamber, said transverse wall having a through hole therethrough that is tilted from the bottom where said transverse wall through hole communicates with said air inlet chamber to the other end thereof where said transverse wall through hole communicates with said air outlet chamber;said air outlet valve comprising:an insertable first diaphragm;a tapered expanding portion located in the through hole, said first diaphragm located in the expanding portion and shielding the through hole; andthe air inlet valve comprising:an insertable second diaphragm;a valve housing having a mounting portion which is capable of being inserted in said peripheral wall through hole and a valve section having a slot, said second diaphragm being insertable in said slot.