Footwear structure and method of forming the same
First Claim
Patent Images
1. A footwear structure comprising:
- an outsole comprising a top surface having shank interlock portion;
an upper, said upper being separate from said outsole and being secured to said outsole to at least partially define a cavity for receiving a foot, said upper comprising;
a top portion, anda separate a bottom portion secured to said top portion, said bottom portion having a corresponding shank interlock portion which mates with said shank interlock portion of said outsole, said bottom portion comprisinga first section, anda separate second section secured to said first section; and
a midsole at least partially disposed within said cavity with said bottom portion of said upper disposed at least partially between said top surface of said outsole and a bottom surface of said midsole, said bottom surface of said midsole having a midsole shank interlock portion which mates with said corresponding shank interlock portion of said upper.
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Accused Products
Abstract
A footwear structure including an outsole, an upper and a midsole, each including a shank interlock portion. The upper may include separate top and bottom portions. The bottom portion upper may be disposed between the midsole and outsole and may include separate first and second sections.
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Citations
20 Claims
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1. A footwear structure comprising:
an outsole comprising a top surface having shank interlock portion; an upper, said upper being separate from said outsole and being secured to said outsole to at least partially define a cavity for receiving a foot, said upper comprising; a top portion, and a separate a bottom portion secured to said top portion, said bottom portion having a corresponding shank interlock portion which mates with said shank interlock portion of said outsole, said bottom portion comprising a first section, and a separate second section secured to said first section; and a midsole at least partially disposed within said cavity with said bottom portion of said upper disposed at least partially between said top surface of said outsole and a bottom surface of said midsole, said bottom surface of said midsole having a midsole shank interlock portion which mates with said corresponding shank interlock portion of said upper. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A footwear structure comprising:
an outsole comprising a top surface having shank interlock portion comprising a continuous arc; an upper, said upper being separate from said outsole and being secured to said outsole to at least partially define a cavity for receiving a foot, said upper comprising; a top portion, and a separate a bottom portion secured to said top portion, said bottom portion having a corresponding shank interlock portion which mates with said shank interlock portion of said outsole, said bottom portion comprising a first section, and a separate second section secured to said first section; a midsole disposed at least partially within, and being readily removable from, said cavity with said bottom portion of said upper disposed between said top surface of said outsole and a bottom surface of said midsole and extending along an entire length and width of said midsole, said bottom surface of said midsole having a midsole shank interlock portion which mates with said corresponding shank interlock portion of said upper; and a shank component disposed between a bottom surface of said outsole and a top surface of said midsole.
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12. A method of forming a footwear structure comprising:
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providing an outsole having a top surface with a shank interlock portion; providing an upper, said upper being separate from said outsole and comprising; a top portion, and a separate a bottom portion secured to said top portion, said bottom portion having an upper shank interlock portion, said bottom portion comprising a first section, and a separate second section secured to said first section; securing said upper shank interlock portion to said shank interlock portion of said top surface of said outsole, said upper at least partially defining a cavity for receiving a foot; providing a midsole having a bottom surface with a midsole shank interlock portion which mates with said upper shank interlock portion; and positioning said midsole in said cavity to be readily removable from said cavity with said bottom portion of said upper disposed between said midsole and said outsole. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification