主权项 |
1. An apparatus comprises:
a heel platform section having an upper heel portion positioned substantially over a lower heel portion, each of the upper heel portion and the lower heel portion have a width and a length, wherein the width is from an inner edge of the apparatus to an outer edge of the apparatus and the length is from a rear edge of the apparatus to an intersection line, wherein each of the upper heel portion and the lower heel portion has substantially zero slope from the inner edge of the apparatus to the outer edge of the apparatus; a mid-foot section juxtaposed to the heel platform section along the intersection line, wherein the mid-foot section includes a top mid-foot portion positioned substantially over a lower mid-foot portion; and a toe section having an upper toe portion positioned substantially over a lower toe portion, wherein:
the upper mid-foot portion and the upper toe portion collectively have a first geometric shape having a first slope along an inner edge of the apparatus from a front edge of the apparatus to the intersection line, a second slope from the inner edge of the apparatus to an outer edge of the apparatus, and a third slope along the outer edge of the apparatus from the front edge of the apparatus to the intersection line, wherein the first slope is greater than the third slope, and wherein the second slope has a variable angle from the front edge of the apparatus to the intersection line that is based on a difference between the first slope and the third slope; andthe lower mid-foot portion and the lower toe portion collectively have a second geometric shape having a fourth slope along the inner edge of the apparatus from the front edge of the apparatus to the intersection line, a fifth slope from the inner edge of the apparatus to an outer edge of the apparatus, and a sixth slope along the outer edge of the apparatus from the front edge of the apparatus to the intersection line, wherein the fourth slope is greater than the sixth slope, and wherein the fifth slope has a second variable angle from the front edge of the apparatus to the intersection line that is based on a difference between the fourth slope and the sixth slope. |