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Systems, methods and apparatus are provided through which in some implementations an abrasive exterior is attached to a body about obtuse to a right-angle of a trapezoid geometry of the body. In some implementations, the body includes a pocket along a longitudinal axis of the body and in some implem

Systems, methods and apparatus are provided through which in some implementations an abrasive exterior is attached to a body about obtuse to a right-angle of a trapezoid geometry of the body. In some implementations, the body includes a pocket along a longitudinal axis of the body and in some implementations the body includes a groove along a lateral axis.

대표청구항 ▼

1. An apparatus to remove calluses from skin, the apparatus comprising: a first outer surface forming a trapezoid, the first outer surface having four perimeters, two of the four perimeters being parallel to each other and the other two of the four perimeters being not parallel to each other;a secon

1. An apparatus to remove calluses from skin, the apparatus comprising: a first outer surface forming a trapezoid, the first outer surface having four perimeters, two of the four perimeters being parallel to each other and the other two of the four perimeters being not parallel to each other;a second outer surface forming a first convex right-angle trapezoid, the second outer surface being adjacent to one of the two of the four perimeters being not parallel to each other and the second outer surface having a first abrasive exterior surface;a third outer surface forming a second convex right-angle trapezoid, the third outer surface being adjacent to the other one of the two of the four perimeters being not parallel to each other, and the third outer surface having a second abrasive exterior surface;wherein the first convex right-angle trapezoid of the second outer surface is complementary to the second convex right-angle trapezoid of the third outer surface;a fourth outer surface having a third convex surface that is adjacent to the second outer surface and adjacent to the third outer surface, the fourth outer surface having a third abrasive exterior surface, wherein the length of the fourth outer surface is less than the length of the first outer surface; anda fifth outer surface have a fourth convex surface, the fifth outer surface being adjacent to the second outer surface, adjacent to the third outer surface and adjacent to the fourth outer surface;wherein the first outer surface, the second outer surface, the third outer surface, the fourth outer surface and the fifth outer surface form a pocket,wherein the pocket has:a first inner surface forming a trapezoid, the first inner surface having four perimeters, two of the four perimeters being parallel to each other and the other two of the four perimeters being not parallel to each other;a second inner surface forming a first right-angle trapezoid, the second inner surface being adjacent to one of the two of the four perimeters being not parallel to each other;a third inner surface forming a second right-angle trapezoid, the third inner surface being adjacent to the other one of the two of the four perimeters being not parallel to each other, and the third inner surface having a second abrasive exterior surface;wherein the first right-angle trapezoid of the second inner surface is complementary to the second right-angle trapezoid of the third inner surface;a fourth inner surface having a third convex surface that is adjacent to the second inner surface and adjacent to the third inner surface, the fourth inner surface having a third abrasive exterior surface; anda fifth inner surface have a fourth convex surface, the fifth inner surface being adjacent to the second inner surface, adjacent to the third inner surface and adjacent to the fourth inner surface. 2. The apparatus of claim 1, wherein the first outer surface forming a trapezoid further comprises: the first outer surface forming an isosceles trapezoid. 3. The apparatus of claim 1, wherein each of the abrasive surfaces further comprises: a sandpaper having 320 grit. 4. The apparatus of claim 1, wherein each of the abrasive surfaces further comprises: a removable abrasive surface. 5. The apparatus of claim 4, wherein each of the removable abrasive surfaces further comprises: an adhesive. 6. The apparatus of claim 1 further comprising: a polycarbonate resin thermoplastic. 7. The apparatus of claim 1, wherein first outer surface further comprises: a rubber material. 8. An apparatus comprising: a first outer surface forming a trapezoid, the first outer surface having four perimeters, two of the four perimeters being parallel to each other and the other two of the four perimeters being not parallel to each other;a second outer surface forming a first convex right-angle trapezoid, the second outer surface being adjacent to one of the two of the four perimeters being not parallel to each other;a third outer surface forming a second convex right-angle trapezoid, the third outer surface being adjacent to the other one of the two of the four perimeters being not parallel to each other;wherein the first convex right-angle trapezoid of the second outer surface is complementary to the second convex right-angle trapezoid of the third outer surface;a fourth outer surface having a third convex surface that is adjacent to the second outer surface and adjacent to the third outer surface, the fourth outer surface having an abrasive exterior surface, wherein the length of the fourth outer surface is less than the length of the first outer surface; anda fifth outer surface have a fourth convex surface, the fifth outer surface being adjacent to the second outer surface, adjacent to the third outer surface and adjacent to the fourth outer surface;wherein the first outer surface, the second outer surface, the third outer surface, the fourth outer surface and the fifth outer surface form a pocket. 9. The apparatus of claim 8, wherein the abrasive exterior surface includes the second outer surface, the third outer surface and the fourth outer surface. 10. The apparatus of claim 8, wherein the first outer surface forming a trapezoid further comprises: the first outer surface forming an isosceles trapezoid. 11. The apparatus of claim 8, wherein each of the abrasive surfaces further comprises: a wet-dry sandpaper. 12. The apparatus of claim 8, wherein each of the abrasive surfaces further comprises: a sandpaper having grade of abrasiveness selected from the group of grades of abrasiveness consisting of grade 1 abrasiveness and grade 2 abrasiveness. 13. The apparatus of claim 8, wherein each of the abrasive surfaces further comprises: a sandpaper having a grit selected from the group of grits consisting of 220 grit, 320 grit and 400 grit. 14. The apparatus of claim 8, wherein each of the abrasive surfaces further comprises: a removable abrasive surface. 15. An apparatus comprising: a first side having a trapezoid geometry, a second side adjacent to the first side and having a right-angle trapezoid geometry, a third side adjacent to the first side and having the right-angle trapezoid geometry, a fourth side adjacent to the second side and the third side, wherein the fourth side having an abrasive exterior surface, and a fifth side adjacent to the first side, the second side, the third side and the fourth side;wherein the first side, the second side, the third side, the fourth side and the fifth side form a pocket;wherein the first side further comprises: a first outer surface forming the trapezoid geometry, the first outer surface having four perimeters, two of the four perimeters being parallel to each other and the other two of the four perimeters being not parallel to each other;wherein the second side further comprises: a second outer surface forming a first right-angle trapezoid, the second outer surface being adjacent to one of the two of the four perimeters being not parallel to each other;wherein the third side further comprises: a third outer surface forming a second convex right-angle trapezoid, the third outer surface being adjacent to the other one of the two of the four perimeters being not parallel to each other, wherein the first convex right-angle trapezoid of the second outer surface is complementary to the second convex right-angle trapezoid of the third outer surface. 16. The apparatus of claim 15, wherein the abrasive exterior surface includes the second outer surface, the third outer surface and the fourth outer surface. 17. The apparatus of claim 15, wherein first outer surface further comprises: a rubber material. 18. The apparatus of claim 15, wherein the abrasive exterior surface further comprises: a removable abrasive surface. 19. The apparatus of claim 18, wherein the removable abrasive surface further comprises: an adhesive. 20. The apparatus of claim 15 further comprising: a polycarbonate resin thermoplastic.