Combinable sneaker with a replaceable male cushion

Details Combinable sneaker with a replaceable male cushion Combinable sneaker with a replaceable male cushion

1997-06-16

1999-06-01

Dayoan, B.

Boots, shoes, and leggings

Soles

Cushion

36 71, A43B 1320, A43B 1900

Patent

active

059079118

ABSTRACT:
A combinable sneaker with a replaceable male cushion has a sole provided with a female cushion formed integral with the sole. The female cushion has a plurality of chambers lengthwise and transverse, crossing each other to form corners. A male cushion is provided to releasably fit in the female cushion, having a plurality of projecting hollow cell bodies to fit in the chambers of the female cushion and then the male cushion is inflated to force the cell bodies to be expanded a little for firmly engaging the corners of the female cushion. The male cushion has a cross-section of three dimensional and hollow shape, with the projecting cell bodies sealed and a hollow tube connected to an air valve.

REFERENCES:
patent: 4918838 (1990-04-01), Chang
patent: 5005300 (1991-04-01), Diaz et al.
patent: 5224277 (1993-07-01), Sang Do
patent: 5313717 (1994-05-01), Allen et al.
patent: 5363570 (1994-11-01), Allen et al.
patent: 5685090 (1997-11-01), Tawney et al.

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