Article of footwear incorporating a knitted component with body and heel portions
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A43B-001/04
A43B-005/00
A43B-007/00
A43B-023/02
A43C-001/00
A43B-007/20
D04B-001/22
출원번호
US-0087149
(2013-11-22)
등록번호
US-9723890
(2017-08-08)
발명자
/ 주소
Long, Bradley S.
Tappatarnpornsuk, Atikom
Savage, Peter R.
출원인 / 주소
NIKE, Inc.
대리인 / 주소
Brinks Gilson & Lione
인용정보
피인용 횟수 :
0인용 특허 :
76
초록▼
An article of footwear may include a knitted component formed of multiple knitted component portions. The knitted component includes a body portion and a heel portion. The body portion is formed of unitary knit construction and extends through a forefoot region, a midfoot region, and at least partia
An article of footwear may include a knitted component formed of multiple knitted component portions. The knitted component includes a body portion and a heel portion. The body portion is formed of unitary knit construction and extends through a forefoot region, a midfoot region, and at least partially into a heel region of the article of footwear. The heel portion is formed of unitary knit construction and extends through the heel region and includes a cuff that defines a throat opening of the upper for receiving a foot. The body portion and the heel portion are joined along adjacent edges to form the knitted component. Knitting directions of the knitted component portions vary along the adjacent edges. An overlay element may also be provided to cover a seam attaching the adjacent edges of the knitted component portions.
대표청구항▼
1. An article of footwear having an upper and a sole structure secured to the upper, the upper including a knitted component, the knitted component including: a body element forming a majority of the upper, the body element extending through a forefoot region, a midfoot region, and at least partiall
1. An article of footwear having an upper and a sole structure secured to the upper, the upper including a knitted component, the knitted component including: a body element forming a majority of the upper, the body element extending through a forefoot region, a midfoot region, and at least partially into a heel region of the article of footwear, the body element being formed of unitary knit construction; and a heel element forming a portion of the upper that extends above the body element, the heel element extending through the heel region and including a cuff that defines a throat opening within the upper for receiving a foot, the heel element being formed of unitary knit construction; wherein the body element and the heel element are joined along adjacent edges extending along each of a medial side and a lateral side of the upper to form the knitted component; and wherein the body element is joined to the heel element by a seam that extends from a lower area of the upper adjacent to the sole structure towards an instep area of the upper in a vertically upwards and forward direction, from the heel region toward the forefoot region, on each of the medial side and the lateral side; wherein the heel element further includes at least one flex notch located below the cuff and entirely outside of the body element; and wherein the at least one flex notch is separated from the sole structure by a first distance, and an uppermost point of the body element is separated from the sole structure by a second distance, and wherein the first distance is greater than the second distance. 2. The article of footwear according to claim 1, wherein the heel element has an approximate C-shape extending continuously around the heel region of the upper from the medial side to the lateral side. 3. The article of footwear according to claim 1, wherein the at least one flex notch comprises at least one of a lateral notch disposed on the lateral side of the heel element and a medial notch disposed on the medial side of the heel element. 4. The article of footwear according to claim 1, wherein the at least one flex notch facilitates forward and rearward movement of the cuff of the heel region relative to the body element of the knitted component. 5. The article of footwear according to claim 1, wherein a knitting direction of the body element and the heel element is different. 6. The article of footwear according to claim 1, wherein the heel element includes at least two areas having one or more of a different knit structure. 7. The article of footwear according to claim 6, wherein the at least two areas of the heel element comprise a first area associated with an upper portion of the heel element including a top perimeter edge and a second area associated with a lower portion of the heel element including a bottom perimeter edge. 8. The article of footwear according to claim 7, wherein the first area is formed with an elastic yarn and the second area is formed of an inelastic yarn. 9. An article of footwear having an upper and a sole structure secured to the upper, the upper including a knitted component, the knitted component including: a body element forming a majority of the upper, the body element extending through a forefoot region, a midfoot region, and at least partially into a heel region of the article of footwear, the body element being formed of unitary knit construction with a plurality of courses extending along a first knitting direction; and a heel element forming a portion of the upper that extends above body element, the heel element extending through the heel region and including a cuff that defines a throat opening within the upper for receiving a foot, the heel element being formed of unitary knit construction with a plurality of courses extending along a second knitting direction; wherein the heel element further includes at least one flex notch located below the cuff and located entirely outside of the body element; wherein the at least one flex notch is separated from the sole structure by a first distance, and an uppermost point of the body element is separated from the sole structure by a second distance, and wherein the first distance is greater than the second distance; wherein the body element and the heel element are joined along adjacent edges extending along each of a medial side and a lateral side of the upper to form the knitted component; wherein the body element comprises an outer perimeter edge that includes a pair of rear edges disposed on opposite sides of the upper; wherein the heel element includes a pair of lower angled edges disposed along opposite sides of the heel element; and wherein the pair of rear edges and the pair of lower angled edges are attached by a seam on each of the medial side and the lateral side; and wherein the seam extends from a lower area of the upper adjacent to the sole structure towards an instep area of the upper in a vertically upwards and forward direction, from the heel region toward the forefoot region, on each of the medial side and the lateral side; and wherein the first knitting direction and the second knitting direction are disposed in different directions at the adjacent edges joining the body element and the heel element. 10. The article of footwear according to claim 9, wherein the first knitting direction is approximately perpendicular to the second knitting direction along the adjacent edges. 11. The article of footwear according to claim 9, wherein the seam on each of the medial and lateral side of the upper is configured to be disposed below an ankle of a wearer. 12. The article of footwear according to claim 9, wherein the at least one flex notch facilitates forward and rearward movement of the cuff of the heel element relative to the body element of the knitted component. 13. An article of footwear having an upper and a sole structure secured to the upper, the upper including a knitted component formed of multiple knitted component portions, the knitted component including: a foot element extending through a forefoot region, a midfoot region, and a heel region of the article of footwear, the foot element including an instep area that extends between a medial side and a lateral side of the upper; an ankle element, wherein the entire ankle element extends outside of the foot region, the ankle element including a cuff that defines a throat opening for providing access to a void within the upper for receiving a foot; wherein the cuff extends continuously around the heel region of the upper between the medial side and the lateral side; wherein the foot element is joined to the ankle element by a seam that extends from a lower area of the upper adjacent to the sole structure towards an instep area of the upper in a vertically upwards and forward direction, from the heel region toward the forefoot region, on each of the medial side and the lateral side; wherein the ankle element further includes at least one flex notch located below the cuff and entirely outside of the foot element; and wherein the at least one flex notch is separated from the sole structure by a first distance, and an uppermost point of the body element is separated from the sole structure by a second distance, and wherein the first distance is greater than the second distance. 14. The article of footwear according to claim 13, wherein a knitting direction of the foot element and the ankle element is different. 15. The article of footwear according to claim 13, further comprising at least one overlay element disposed on an exterior surface of the knitted component; and wherein the at least one overlay element covers the seam. 16. The article of footwear according to claim 15, further comprising a first overlay element disposed on the medial side of the upper and a second overlay element disposed on the lateral side of the upper; and wherein the first overlay element and the second overlay element have different shapes. 17. The article of footwear according to claim 16, wherein the first overlay element comprises a lower portion extending over a portion of the foot element; and wherein the second overlay comprises an upper portion extending over a portion of the ankle element and a lower portion extending partially over the foot element. 18. The article of footwear according to claim 17, wherein the ankle element and the foot element for receiving a lace; and wherein the first overlay element includes corresponding apertures on each of the upper portion and the lower portion to align with the plurality of apertures on the medial side; and wherein the second overlay element includes corresponding apertures on the upper portion to align with the plurality of apertures on the lateral side. 19. The article of footwear according to claim 15, wherein the at least one overlay element includes an ankle opening.
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