| US 7,523,566 B2 | ||
| Shoe sole | ||
| Kwon Young-Chul, Busan (Korea, Republic of) | ||
| Assigned to Treksta, Inc, Busan (Korea, Republic of) | ||
| Filed on Jun. 02, 2006, as Appl. No. 11/445,576. | ||
| Claims priority of application No. 10-2005-0047513 (KR), filed on Jun. 03, 2005. | ||
| Prior Publication US 2007/0277401 A1, Dec. 06, 2007 | ||
| Int. Cl. A43B 13/18 (2006.01) | ||
| U.S. Cl. 36—30R [36/59 R; 36/28] | 5 Claims |
| 1. A shoe sole comprising:
an outsole provided at a bottom surface thereof with a plurality of protrusions, in which an outer peripheral portion of an
upper end of each protrusion is integrally connected with the bottom surface by means of outer wheels protruding upward from
an upper surface of the outsole while forming closed loops;
a mid-sole stacked on the upper surface of the outsole and formed with perforation holes aligned corresponding to the outer
wheels;
an insert stacked on an upper surface of the mid-sole and provided at a bottom surface thereof with a plurality of protrusions,
which are inserted into the outer wheels by passing through the perforation holes of the mid-sole; and
a lasting board stacked on an upper surface of the insert coupled with the mid-sole.
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