Cushion device for shoes

Details Cushion device for shoes Cushion device for shoes

2006-03-21

2006-03-21

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Soles

Cushion

Reexamination Certificate

active

07013585

ABSTRACT:
A cushion device for shoes includes a first bladder and a second bladder with a hose connected in communication therebetween. A compressible unit is received in the second bladder and has an outgoing hose extending therefrom. The outgoing hose is connected to an inlet of the first bladder. An inlet hose has an end located outside of the second bladder and the other end of the inlet hose is connected to the compressible unit. The wearer compresses the compressible unit to inflate the first and second bladders. When the load is disappeared from the compressible unit, air is sucked from the inlet hose to assist the compressible unit to return to the original status.

REFERENCES:
patent: 4446634 (1984-05-01), Johnson et al.
patent: 4991317 (1991-02-01), Lakic
patent: 5343637 (1994-09-01), Schindler
patent: 6463679 (2002-10-01), Buttigieg
patent: 6510624 (2003-01-01), Lakic
patent: 6553691 (2003-04-01), Huang
patent: 2002/0050074 (2002-05-01), Ricco et al.

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