Article of footwear with adjustable sole
First Claim
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1. An article of footwear, comprising:
- a forefoot portion, a midfoot portion and a heel portion;
a longitudinal direction extending from the forefoot portion to the heel portion of the article of footwear;
an upper having an interior cavity;
a sole structure, further comprising;
a first layer having;
a first side portion having a first inner sidewall;
a second side portion having a second inner sidewall facing the first inner sidewall;
a gap extending through the sole structure in the longitudinal direction, wherein the gap separates the first inner sidewall from the second inner sidewall; and
a second layer disposed between the upper and the first layer, wherein the second layer is exposed across the gap;
a cord including a first end portion, a second end portion and an intermediate portion, wherein the intermediate portion extends from the first side portion to the second side portion and across the gap;
wherein the cord is positioned such that applying tension to first and second end portions of the cord contracts the gap from a loosened condition to a tightened condition such that the first side portion and the second side portion of the sole structure are moved closer together in the tightened condition than in the loosened condition; and
wherein the gap extends through a majority of a length of the sole structure;
wherein the gap includes a first gap portion that extends from a first end portion of the gap to a gap vertex portion, and wherein the first gap portion splits into a second gap portion and a third gap portion at the gap vertex portion; and
wherein the first gap portion extends approximately in the longitudinal direction and wherein the second gap portion and the third gap portion are angled with respect to the longitudinal direction such that the gap is y-shaped.
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Abstract
An article of footwear includes an upper and a sole structure. The sole structure includes a gap extending longitudinally through the sole structure. A tensioning member extends through the sole structure and across the gap such that tensioning the tensioning member contracts the gap and pulls opposing sides of the sole structure together. As the sole structure contracts, the upper is pulled down on the foot, thereby tightening the upper around the foot.
129 Citations
18 Claims
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1. An article of footwear, comprising:
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a forefoot portion, a midfoot portion and a heel portion; a longitudinal direction extending from the forefoot portion to the heel portion of the article of footwear; an upper having an interior cavity; a sole structure, further comprising; a first layer having; a first side portion having a first inner sidewall; a second side portion having a second inner sidewall facing the first inner sidewall; a gap extending through the sole structure in the longitudinal direction, wherein the gap separates the first inner sidewall from the second inner sidewall; and a second layer disposed between the upper and the first layer, wherein the second layer is exposed across the gap; a cord including a first end portion, a second end portion and an intermediate portion, wherein the intermediate portion extends from the first side portion to the second side portion and across the gap; wherein the cord is positioned such that applying tension to first and second end portions of the cord contracts the gap from a loosened condition to a tightened condition such that the first side portion and the second side portion of the sole structure are moved closer together in the tightened condition than in the loosened condition; and wherein the gap extends through a majority of a length of the sole structure;
wherein the gap includes a first gap portion that extends from a first end portion of the gap to a gap vertex portion, and wherein the first gap portion splits into a second gap portion and a third gap portion at the gap vertex portion; and
wherein the first gap portion extends approximately in the longitudinal direction and wherein the second gap portion and the third gap portion are angled with respect to the longitudinal direction such that the gap is y-shaped. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An article of footwear, comprising:
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a forefoot portion, a midfoot portion and a heel portion; a longitudinal direction extending from the forefoot portion to the heel portion of the article of footwear; an upper having an interior cavity; a sole structure, further comprising; a first side portion having a first ground contacting surface and a first inner surface opposite the first ground contacting surface; a second side portion having a second ground contacting surface and a second inner surface opposite the second ground contacting surface; a gap extending through the sole structure in the longitudinal direction, wherein the gap separates the first inner surface from the second inner surface; a cord including a first end portion, a second end portion and an intermediate portion, wherein the intermediate portion extends from the first side portion to the second side portion and across the gap; wherein the cord is positioned such that applying tension to first and second end portions of the cord contracts the gap from a loosened condition to a tightened condition, wherein the first side portion and the second side portion of the sole structure are moved closer together in the tightened condition than in the loosened condition; and wherein the interior cavity has a smaller volume when the gap is in the tightened condition than when the gap is in the loosened condition;
wherein the gap includes a first gap portion that extends from a first end portion of the gap to a gap vertex portion, and wherein the first gap portion splits into a second gap portion and a third gap portion at the gap vertex portion; and
wherein the first gap portion extends approximately in the longitudinal direction and wherein the second gap portion and the third gap portion are angled with respect to the longitudinal direction such that the gap is y-shaped. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An article of footwear, comprising:
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a forefoot portion, a midfoot portion and a heel portion; a longitudinal direction extending from the forefoot portion to the heel portion of the article of footwear; an upper; a sole structure, further comprising; a gap extending through the sole structure in the longitudinal direction, wherein the gap separates a first side portion of the sole structure from a second side portion of the sole structure; a cord including a first end portion, a second end portion and an intermediate portion, wherein the intermediate portion extends from the first side portion to the second side portion and across the gap; wherein the cord is positioned such that applying tension to first and second end portions of the cord contracts the gap from a loosened condition to a tightened condition, wherein the first side portion and the second side portion of the sole structure are moved closer together in the tightened condition than in the loosened condition; and wherein the interior cavity has a smaller volume when the gap is in the tightened condition than when the gap is in the loosened condition; at least one sensor configured to receive information related to contact between the article of footwear and a ground surface; a tensioning device capable of automatically applying tension to the cord; a control unit in communication with the sensor and the tensioning device; and wherein the control unit controls the tensioning device in response to information from the sensor;
wherein the gap includes a first gap portion that extends from a first end portion of the gap to a gap vertex portion, and wherein the first gap portion splits into a second gap portion and a third gap portion at the gap vertex portion; and
wherein the first gap portion extends approximately in the longitudinal direction and wherein the second gap portion and the third gap portion are angled with respect to the longitudinal direction such that the gap is y-shaped. - View Dependent Claims (16, 17, 18)
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Specification