Shock absorbing outsole for footwear
First Claim
Patent Images
1. An outsole for an item of footwear, comprising:
- a lower surface having a central portion and a peripheral portion,a plurality of resilient shock absorbing strike plates extending from and disposed about said peripheral portion to define a cavity disposed below said central portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, andan elastic membrane connecting a plurality of said strike plates, and extending through said cavity, each membrane having a stiffness less than that of one of the strike plates to which it is connected.
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Abstract
An outsole for an item of footwear. The outsole is provided with a lower surface having a central portion and a peripheral portion. Also provided is one or more resilient shock absorbing strike plates which extend from, and are disposed about, the peripheral portion to define a cavity disposed below the central or peripheral portions. Each strike plate has an inwardly sloped wall adjacent the cavity. This sloped wall is disposed at an obtuse angle to the cavity. Also provided is an elastic membrane extending through the cavity. The membrane has a stiffness less than that of one of the strike plates to which it is connected.
145 Citations
15 Claims
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1. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a plurality of resilient shock absorbing strike plates extending from and disposed about said peripheral portion to define a cavity disposed below said central portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of said strike plates, and extending through said cavity, each membrane having a stiffness less than that of one of the strike plates to which it is connected. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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2. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a plurality of resilient shock absorbing strike plates extending from and disposed about said peripheral portion to define a cavity disposed below said central portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of portions of a said strike plate, and extending through said cavity, each membrane having a stiffness less than that of the strike plate to which it is connected.
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3. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a resilient shock absorbing strike plate extending from and disposed about said peripheral portion to define a cavity disposed below said central portion, said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of portions of said strike plate, and extending through said cavity, each membrane having a stiffness less than that of the strike plate to which it is connected.
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4. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a plurality of resilient shock absorbing strike plates extending from and disposed about said peripheral portion to define a cavity disposed below said peripheral portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of said strike plates, and extending through said cavity, each membrane having a stiffness less than that of the strike plate to which it is connected.
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5. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a plurality of resilient shock absorbing strike plates extending from and disposed about said peripheral portion to define a cavity disposed below said peripheral portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of portions of a said strike plate, and extending through said cavity, each membrane having a stiffness less than that of the strike plate to which it is connected.
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6. An outsole for an item of footwear, comprising:
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a lower surface having a central portion and a peripheral portion, a resilient shock absorbing strike plate extending from and disposed about said peripheral portion to define a cavity disposed below said peripheral portion, each said strike plate having an inwardly sloped wall adjacent said cavity, said sloped wall being disposed at an obtuse angle to said cavity, and an elastic membrane connecting a plurality of portions of said strike plate, and extending through said cavity, each membrane having a stiffness less than that of the strike plate to which it is connected.
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Specification