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US 7,451,556 B2Granted
Shoe sole and cushion for a shoe sole
AssigneeNew Balance Athletic Shoe, Inc.
InventorsEdith Harmon-Weiss, Hans Peterson, Sean B. Murphy, Cathleen Aron, Octavio Lubrano, Ping-Chih Shih
Life of this patent
Estimating the term…
Abstract
The present invention relates to a cushion (20) for use in a shoe sole. The cushion (20) includes a medial chamber (26) for cushioning a medial portion of a wearer's foot, an internal chamber (40) disposed within the medial chamber (26) to increase a stiffness of the medial chamber, and at least one lateral chamber (24) for cushioning a lateral portion of the wearer's foot. The medial chamber (26) and lateral chamber (24) may be of unitary construction.
Claims25
A cushion for use in a shoe sole, comprising:
- a medial chamber for cushioning a medial portion of a wearer's foot;
- an internal chamber disposed within the medial chamber and cooperating with the medial chamber to increase a stiffness of the medial chamber relative to the at least one lateral chamber, an outer surface of the internal chamber aligned along an inner surface of the medial chamber to follow the shape thereof;
- and
- at least one lateral chamber for cushioning a lateral portion of the wearer's foot, wherein the at least one lateral chamber is fluidly disconnected from the medial chamber so that the medial chamber and the at least one lateral chamber are compressible independently from each other.
1 more element
Dependencies are inferred from the claim text.