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US 8,806,782 B2Granted
Resilient sole
OwnerZhifei Suninventor
Life of this patent
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Abstract
A resilient sole comprises a foot-shaped recess on the upper layer of the sole; a plurality of resilient hollow cylinders arranged in the recess, each of the hollow cylinders having open top that is an arched surface and capable to be closed.
Claims4
A resilient sole, comprising:
- an upper layer;
- a foot-shaped recess on the upper layer of the sole;
- a plurality of resilient hollow cylinders arranged in the recess, each of the hollow cylinders being resilient and having an open top with an arched circumferential surface;
- and
- an insole that covers and seals the respective arched circumferential surface of the hollow cylinders to completely close the respective open top of the hollow cylinders under a user's weight or impact, thereby sealing air inside the hollow cylinders,
- wherein the air sealed inside each of the hollow cylinders is configured to generate a pressure in reaction to the user's weight or impact, and wherein each of the hollow cylinders is deformable independently.
3 more elements
Dependencies are inferred from the claim text.