Patent ID: 7610695
Filing Date: 2009-11-03
Classification: A43B

Abstract:
1. A shoe sole comprising: a sole body having a top inner sole engaging surface and a bottom ground engaging surface and an inner lateral side and an outer lateral side, and the sole body having a heel section, an arch section, a ball of a foot section and a toe section; the bottom ground engaging surface supporting a plurality of protrusions; the outer lateral side of the ball of a foot section having a plurality of sharp edge protrusions while the inner (medial) lateral side of the ball of a foot section having a plurality of rounded edge protrusions; and at least one protrusion of the plurality of protrusions is supported by a relatively stronger portion of the sole body and a relatively weaker portion of the sole body and an interface between the stronger portion and the weaker portion forming an oscillation axis which facilitates pivoting of the at least one protrusion.