Air-circulating, shock-absorbing shoe structures

Details Air-circulating, shock-absorbing shoe structures Air-circulating, shock-absorbing shoe structures

1997-06-25

2000-03-28

Sewell, Paul T.

Boots, shoes, and leggings

Boots and shoes

Ventilated

36 29, 36 3B, 36 35B, A43B 706, A43B 1320, A43B 2128

Patent

active

060415193

ABSTRACT:
A structure for ventilating a toe region of a shoe includes a body including in its heel zone two major walls and a resilient element having a multitude of voids arranged in a pumping chamber to urge the two walls apart against the action of external forces tending to draw air into the chamber. The resilient element includes a plurality of substantially dome-shaped hollow protuberances bounding respective first and second voids within and outside of them, respectively, and connecting portions that interconnect the protuberances. Respective connecting channels are provided in the connecting portions and in respective adjacent regions of the protuberances to establish communication between the first voids. A corrugated insert within the body aids ventilation and shock absorption. An extension on the body optimizes air transfer.

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patent: 1227493 (1917-05-01), Runyan
patent: 2676422 (1954-04-01), Crawford
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patent: 5477626 (1995-12-01), Kwon
patent: 5505010 (1996-04-01), Fukuoka
patent: 5515622 (1996-05-01), Lee
patent: 5697170 (1997-12-01), Murrell et al.

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