Tightening device for footwear, and an article of footwear incorporating such tightening device
A tightening device adapted to equip an article of footwear, which makes it possible to hold the foot laterally, while distributing on the foot the pressure generated by the tightening device. The tightening device includes an upper flap that partially covers a lower flap. The flaps hold the foot by the tightening device which includes at least one anchor positioned on each of the flaps. The upper flap is more flexible than the lower flap.
1. A tightening device, adapted to equip an article of footwear including a sole, said tightening device comprising:
a lower flap;
an upper flap including an overlapping zone which partially covers the lower flap;
a tightening mechanism comprising at least one anchor positioned on each of the flaps;
the upper flap being more flexible than the lower flap.
2. A tightening device according to claim 1 , wherein the upper flap is made of more flexible material(s) than that of the lower flap.
3. A tightening device according to claim 1 , wherein the upper flap is thinner than the lower flap.
4. A tightening device according to claim 1 , wherein the upper flap includes recesses making it possible to soften and ventilate said flap.
5. A tightening device according to claim 1 , wherein the one anchor on the upper flap is positioned in the overlapping zone.
6. A tightening device according to claim 1 , wherein the lower flap extends rearwardly by obtaining a heel stiffener.
7. A tightening device according to claim 1 , wherein the one anchor positioned on the lower flap is positioned beyond the overlapping zone.
8. A tightening device according to claim 1 , wherein the at least one anchor positioned on each of the flaps are lace guides, and wherein the tightening device further comprises a lace guided by the lace guides.
9. An article of footwear equipped with the tightening device according to claim 1 .
10. An article of footwear according to claim 9 , wherein the article of footwear includes an upper, and wherein the lower flap and the upper flap are positioned within the upper, thus constituting a tightening inside the article of footwear.
11. An article of footwear according to claim 9 , wherein the article of footwear includes an upper, and wherein the upper flap is integral with the upper.
12. An article of footwear according to claim 9 , wherein the article of footwear includes a sole, and wherein the lower flap includes fixing means adapted to affix the lower flap to the sole.
13. An article of footwear according to claim 9 , wherein the lower flap extends over an uppermost portion of an instep area.
14. An article of footwear according to claim 9 , wherein the lower flap and the upper flap are positioned rearward of a metatarsophalangeal joint area.
15. An article of footwear according to claim 14 , wherein the lower flap and the upper flap are positioned forward of an area of a malleolus of an ankle joint.
16. An article of footwear comprising:
an upper;
a sole;
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone which partially covers the lower flap;
a tightening mechanism comprising at least one anchor positioned on each of the flaps;
the upper flap being more flexible than the lower flap;
the lower flap and the upper flap being positioned external of the upper, thus constituting a tightening outside of the article of footwear.
17. An article of footwear comprising:
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone, the overlapping zone partially covering the lower flap;
the upper flap being more flexible than the lower flap;
a tightening mechanism comprising at least one anchor attached to the lower flap and at least one anchor attached to the upper flap;
the lower flap underlying the upper flap beyond the one anchor attached to the lower flap.
18. An article of footwear according to claim 17 , wherein the upper flap is more flexible than the lower flap by being made of material(s) more flexible than material(s) of the lower flap.
19. An article of footwear according to claim 17 , wherein the upper flap is more flexible than the lower flap by being thinner than the lower flap.
20. An article of footwear according to claim 17 , wherein the upper flap the upper flap is more flexible than the lower flap by including recesses, said recesses serving to soften and ventilate the upper flap.
21. An article of footwear according to claim 17 , wherein the one anchor on the upper flap is positioned in the overlapping zone.
22. An article of footwear according to claim 17 , wherein the at least one anchor positioned on each of the flaps are lace guides, and wherein the tightening device further comprises a lace guided by the lace guides.
23. An article of footwear according to claim 17 , wherein the lower flap extends rearwardly to a heel stiffener.
24. An article of footwear according to claim 17 , wherein the article of footwear includes an upper, and wherein the lower flap and the upper flap are positioned within the upper, thus constituting a tightening inside the article of footwear.
25. An article of footwear according to claim 17 , wherein the article of footwear includes an upper, and wherein the upper flap is integral with the upper.
26. An article of footwear according to claim 17 , wherein the article of footwear includes a sole, and wherein the lower flap is made of a material extending to and fixed to the sole.
27. An article of footwear according to claim 17 , wherein the lower flap extends over an uppermost area of an instep area.
28. An article of footwear comprising:
an upper;
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone, the overlapping zone partially covering the lower flap;
the upper flap being more flexible than the lower flap;
a tightening mechanism comprising at least one anchor attached to the lower flap and at least one anchor attached to the upper flap;
the lower flap underlying the upper flap beyond the one anchor attached to the lower flap;
the lower flap and the upper flap being positioned external of the upper, thus constituting a tightening outside of the article of footwear.
29. An article of footwear comprising:
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone, the overlapping zone partially covering the lower flap;
the upper flap being more flexible than the lower flap;
a tightening mechanism comprising at least one anchor attached to the lower flap and at least one anchor attached to the upper flap;
the one anchor attached to the lower flap being transversely spaced apart from the one anchor attached to the upper flap.
30. An article of footwear comprising:
an upper;
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone, the overlapping zone partially covering the lower flap;
the upper flap being more flexible than the lower flap;
a tightening mechanism comprising at least one anchor attached to the lower flap and at least one anchor attached to the upper flap;
at least one of the upper and lower flaps being distinct from and overlying or underlying a portion of the upper, whereby both the upper and lower flaps overlie the portion of the upper.
31. An article of footwear comprising:
an upper;
a tightening device comprising:
a lower flap;
an upper flap including an overlapping zone, the overlapping zone partially covering the lower flap;
the upper flap being more flexible than the lower flap;
a tightening mechanism comprising at least one anchor attached to the lower flap and at least one anchor attached to the upper flap;
at least one of the upper and lower flaps being distinct from and overlying or underlying a portion of the upper.
32. An article of footwear according to claim 30 , wherein both the upper and lower flaps underlie the portion of the upper.
33. An article of footwear according to claim 30 , further comprising a sole, and wherein said one of the upper and lower flaps comprises a material attached to the sole.
34. An article of footwear according to claim 30 , wherein the upper flap is more flexible than the lower flap by being made of material(s) more flexible than material(s) of the lower flap.
35. An article of footwear according to claim 30 , wherein the upper flap is more flexible than the lower flap by being thinner than the lower flap.
36. An article of footwear according to claim 30 , wherein the upper flap the upper flap is more flexible than the lower flap by including recesses, said recesses serving to soften and ventilate the upper flap.
37. An article of footwear according to claim 30 , wherein the one anchor on the upper flap is positioned in the overlapping zone.
38. An article of footwear according to claim 30 , wherein the at least one anchor positioned on each of the flaps are lace guides, and wherein the tightening device further comprises a lace guided by the lace guides.
39. An article of footwear according to claim 30 , wherein the lower flap extends rearwardly to a heel stiffener.
40. An article of footwear according to claim 30 , wherein the lower flap extends over an uppermost portion of an instep area.