Footwear comprising a sole. The sole has a heel section for supporting a heel of the foot. The heel section has medial and lateral regions. At least a portion of the lateral region has a first compressive resilience for attenuating the shock of impact to the wearer during running and walking. Furthe
Footwear comprising a sole. The sole has a heel section for supporting a heel of the foot. The heel section has medial and lateral regions. At least a portion of the lateral region has a first compressive resilience for attenuating the shock of impact to the wearer during running and walking. Further, the sole has an arch section forward of the heel section for supporting an arch of the foot. The arch section also has medial and lateral regions. At least a portion of the lateral region of the arch section has the first compressive resilience and at least a portion of the medial region of the arch section has a second compressive resilience harder than the first compressive resilience for providing firm support for the foot during running and walking. In addition, the sole has a forefoot section forward of the arch section for supporting a ball of the foot including first, second, third, fourth and fifth metatarsal heads and associated metatarsal necks, proximal phalanges and metatarsal phalangeal joints. The forefoot section has a first region for supporting the first, second, third, fourth and fifth metatarsal heads, associated phalanges and metatarsal phalangeal joints, and the metatarsal neck associated with the fifth metatarsal head and a second region for supporting at least one of the metatarsal necks associated with the second and third metatarsal heads. The first region of the forefoot section has the first compressive resilience and the second region of the forefoot section has the second compressive resilience.
대표청구항▼
1. Footwear comprising:a sole comprising a unitary outsole of a wear resistant material having a resistance to compression, said outsole having a bottom, an upper surface, a heel section having medial and lateral regions, an arch section having medial and lateral regions, and a forefoot section havi
1. Footwear comprising:a sole comprising a unitary outsole of a wear resistant material having a resistance to compression, said outsole having a bottom, an upper surface, a heel section having medial and lateral regions, an arch section having medial and lateral regions, and a forefoot section having a first region for supporting the first, second, third, fourth and fifth metatarsal heads of a foot, associated phalanges and metatarsal phalangeal joints of the foot, and the metatarsal neck associated with the fifth metatarsal head of the foot, and a second region for supporting at least one of the metatarsal necks associated with the second and third metatarsal heads of the foot; a cavity in the outsole; an insert in the cavity having a resistance to compression less than the resistance to compression of the outsole; said insert being sized and shaped to overlie the outsole in at least part of the lateral region of the heel section of the outsole, at least part of the lateral region of the arch section of the outsole, and the first region of the forefoot section for attenuating the shock of impact in these regions during running and walking, and said insert being sized and shaped not to overlie at least part of the medial region of the arch section of the outsole and the second region of the forefoot section of the outsole whereby the outsole provides firmer foot support in these regions during walking and running. 2. Footwear as set forth in claim 1 wherein the insert substantially fills the cavity and has an upper surface substantially flush with the upper surface of the outsole surrounding the cavity.3. Footwear as set forth in claim 1 further comprising an insole overlying the insert and the upper surface of the outsole.4. Footwear as set forth in claim 3 wherein the unitary outsole comprises a series of upstanding ribs having upper ends which form said upper surface of the heel, arch and forefoot sections of the outsole and which support said insert and said insole.5. Footwear as set forth in claim 1 wherein said cavity and insert have substantially the same size and shape.6. Footwear as set forth in claim 5 wherein said shape resembles a numeral 7.7. Footwear as set forth in claim 1 wherein said cavity and insert extend over an area of the outsole corresponding to the first distal phalange of the foot but not the second, third, fourth and fifth distal phalanges of the foot.8. Footwear as set forth in claim 1 further comprising an insole overlying the outsole and the insert, and a rigid shank extending longitudinally of the footwear at a location overying the heel and arch sections of the outsole and underlying the insole.9. Footwear as set forth in claim 1 wherein said insert is of a foam material having a Type C durometer hardness of less than 70, and wherein said outsole material has a Type C durometer hardness of 50-85.10. Footwear as set forth in claim 1 wherein said insert is of a foam material having a Type C durometer hardness in the range of about 40-60, and wherein said outsole material has a Type C durometer hardness of about 75.11. Footwear as set forth in claim 1 wherein said insert has a width sufficient to support a lateral region of the arch of the foot extending rearward from the fourth and fifth metatarsal heads and necks of the foot.12. Footwear as set forth in claim 1 wherein said outsole having said cavity therein is of one-piece construction.13. Footwear comprising:a sole comprising a unitary outsole of a wear resistant material having a resistance to compression, said outsole having a bottom, an upper surface, a heel section having medial and lateral regions, an arch section having medial and lateral regions, and a forefoot section having a first region for supporting the first, second, third, fourth and fifth metatarsal heads of a foot, associated proximal phalanges and metatarsal phalangeal joints of the foot, and the metatarsal neck associated with the fifth metatarsal head of the foot, and a second region for supporting at least one of the metatarsal necks associated with the second and third metatarsal heads of the foot; a cavity in the upper surface of the outsole; an insert in the cavity substantially filling the cavity and having an upper surface substantially flush with the upper surface of the outsole surrounding the cavity, said insert having a shape resembling a numeral 7 and having a resistance to compression less than the resistance to compression of the outsole; said insert being sized and shaped to overlie at least part of the lateral region of the heel section of the outsole, at least part of the lateral region of the arch section of the outsole, and the first region of the forefoot section of the outsole for attenuating the shock of impact in these regions during running and walking, and said insert being sized and shaped not to overlie at least part of the medial region of the arch section of the outsole and the second region of the forefoot section of the outsole whereby the outsole provides firmer support in these regions during running and walking; said insert comprising a foam material having a Type C durometer hardness of less than 70, and said outsole material having a Type C durometer hardness of 50-85. 14. Footwear as set forth in claim 13 wherein said insert has a width sufficient to support a lateral region of the arch of the foot extending rearward from the fourth and fifth metatarsal heads and necks of the foot.15. Footwear as set forth in claim 13 wherein said outsole having said cavity therein is of one-piece construction.16. Footwear comprising:a sole comprising a unitary outsole of a wear resistant material having a resistance to compression, said outsole having a bottom, an upper surface, a heel section having medial and lateral regions, an arch section having medial and lateral regions, and a forefoot section having a first region for supporting the first, second, third, fourth and fifth metatarsal heads of a foot, associated proximal phalanges and metatarsal phalangeal joints of the foot, and the metatarsal neck associated with the fifth metatarsal head of the foot, and a second region for supporting at least one of the metatarsal necks associated with the second and third metatarsal heads of the foot; a cavity in the upper surface of the outsole; a shock-attenuating insert of foam material in the cavity having a shape resembling a numeral 7 and having a resistance to compression less than the resistance to compression of the outsole; said insert being sized and shaped to overlie at least part of the lateral region of the heel section of the outsole for supporting at least part of a lateral region of the heel of the foot, at least part of the lateral region of the arch section of the outsole for supporting a lateral region of the arch of the foot extending rearward from the fourth and fifth metatarsal heads and necks of the foot, and the first region of the forefoot section of the outsole, and said insert being sized and shaped not to overlie at least part of the medial region of the arch section of the outsole and the second region of the forefoot section of the outsole whereby the outsole provides firmer support in these regions during running and walking. 17. Footwear as set forth in claim 16 wherein said outsole having said cavity therein is of one-piece construction.
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Cook, Christopher S.; Farris, Bryan N.; Johnson, Jeffrey L.; Smith, Steven F.; VanDomelen, Paul, Article of footwear with a sole structure having fluid-filled support elements.
Cook, Christopher S.; Farris, Bryan N.; Johnson, Jeffrey L.; Smith, Steven F.; VanDomelen, Paul, Article of footwear with a sole structure having fluid-filled support elements.
Cook, Christopher S.; Farris, Bryan N.; Johnson, Jeffrey L.; Smith, Steven F.; VanDomelen, Paul, Article of footwear with a sole structure having fluid-filled support elements.
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