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US 8,127,467 B2Granted
Sole, and footwear provided with the same
AssigneeWorld Wing Enterprise Co., Ltd.
InventorYasushi Koyama
Life of this patent
Estimating the term…
Abstract
A sole and footwear provided with such soles are capable of properly controlling the movement of a foot pressure center, using a simple configuration. This sole includes: a sole body (41) which forms each bottom part of the footwear; and a foot pressure protrusion portion (43) which is provided in this sole body (41), and guides a foot pressure center corresponding to the center of a pressure applied to the bottom of each foot that moves when a person walks or runs, along a predetermined foot pressure center route from the heel toward the vicinity of the root of the fourth toe.
Claims20
A sole comprising:
- a sole body which forms a bottom part of a footwear, the sole body having opposite front and rear ends, a fourth toe supporting part in proximity to the front end for supporting a vicinity of a root of the fourth toe of a wearer of the footwear and a heel supporting part in proximity to the rear end for supporting a heel of the wearer;
- and
- a foot pressure guidance portion provided in the sole body to guide a foot pressure center corresponding to a center of a pressure applied to a bottom of a foot from the heel supporting part toward the fourth toe supporting part when the wearer walks or runs, the foot pressure guidance portion having at least one physical characteristic that is different from other portions of the sole body and being so narrow that only the foot pressure guidance portion guides the foot pressure center, the physical characteristic of the foot pressure guidance portion that is different from other portions of the sole body including:
- a wide area protrusion portion provided on an area including at least the heel supporting part;
- and a foot pressure protrusion portion extending from the wide area protrusion portion toward the fourth toe supporting part, the foot pressure protrusion portion extending from a widthwise middle part of a forward edge of the wide area protrusion portion to the fourth toe supporting part.
2 more elements
A sole comprising:
- a sole body that forms a bottom part of a footwear, the sole body having a variable width;
- and
- a foot pressure guidance portion provided in the sole body for guiding a foot pressure center corresponding to a center of pressure applied to a bottom of a foot that moves when a wearer walks or runs, the foot pressure guidance portion extending from a heel supporting part for supporting a heel of the wearer to a fourth toe supporting part for supporting a vicinity of the root of the fourth toe of the wearer along a line passing a center of the heel supporting part and the fourth toe supporting part, and the foot pressure guidance portion having a uniform width smaller than the variable width of the sole body and having at least one physical characteristic that is different from other portions of the sole body.
Dependencies are inferred from the claim text.