| US 7,578,074 B2 | ||
| Shoe ventilation and shock absorption mechanism | ||
| Michael R. Ridinger, 106 Shrewsbury St., Boylston, Mass. 01505 (US) | ||
| Filed on Sep. 29, 2005, as Appl. No. 11/162,979. | ||
| Prior Publication US 2007/0068037 A1, Mar. 29, 2007 | ||
| Int. Cl. A43B 7/06 (2006.01) | ||
| U.S. Cl. 36—3R [36/3 B] | 5 Claims |
| 1. An article footwear having an improved cushioning and cooling means comprising;
a shoe with an upper portion and a sole bonded or stitched together which form a chamber for the wearers foot;
the sole comprises an elastomeric insole adjacent to the wearer's foot and is topped by a shoe liner, a midsole made of an
elastomeric material and an outsole made of an abrasion resistant material;
the midsole has a heel region and forefoot region;
the heel region of the midsole contains a bladder formed by a hollow in the midsole heel and bonding of an elastomeric material
above the hollow;
the bladder in the midsole heel is connected to the external air through a first valve and first conduit;
the bladder in the midsole is connected through the midsole forefoot region to the area of said chamber beneath the wearer's
toes by a two stage adjustable second valve and a second conduit.
|