| US 7,571,555 B1 | ||
| Pneumatically cushioned shoe sole | ||
| M. Shayne Powell, Sr., 240 Drummond Rd., Traveler's Rest, S.C. 29690 (US) | ||
| Filed on Mar. 28, 2006, as Appl. No. 11/389,963. | ||
| Int. Cl. A43B 7/06 (2006.01) | ||
| U.S. Cl. 36—3B [36/29] | 14 Claims |
| 1. A pneumatically cushioned shoe sole for fitting a shoe, the sole comprising
a flexible u-shaped outsole, the bottom of the u-shape facing a surface to be contacted;
a plurality of air inlet tubes arranged horizontally and equidistantly within the sides of the outsole;
a transfer tube connecting the air inlet tubes;
a flexible insole disposed within the bounds of the outsole;
a heel chamber in a heel area of the insole;
a front chamber in a front area of the insole;
a plurality of mini chambers arranged throughout the insole;
a transfer channel connecting the heel chamber, front chamber, and mini chambers;
an air inlet at a rear of the insole, the air inlet connecting the heel chamber to ambient air.
|