EP3462962B1 - Sole structure for article of footwear with sensory feedback system - Google Patents
Sole structure for article of footwear with sensory feedback system Download PDFInfo
- Publication number
- EP3462962B1 EP3462962B1 EP17803240.5A EP17803240A EP3462962B1 EP 3462962 B1 EP3462962 B1 EP 3462962B1 EP 17803240 A EP17803240 A EP 17803240A EP 3462962 B1 EP3462962 B1 EP 3462962B1
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- EP
- European Patent Office
- Prior art keywords
- insole
- protrusions
- region
- layer
- cop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001953 sensory effect Effects 0.000 title description 13
- 239000000463 material Substances 0.000 claims description 35
- 210000004744 fore-foot Anatomy 0.000 claims description 16
- 210000000452 mid-foot Anatomy 0.000 claims description 13
- 210000002683 foot Anatomy 0.000 description 17
- 239000006260 foam Substances 0.000 description 14
- 210000000474 heel Anatomy 0.000 description 11
- 239000005038 ethylene vinyl acetate Substances 0.000 description 9
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 8
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000000454 fifth toe Anatomy 0.000 description 3
- 210000001255 hallux Anatomy 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008081 blood perfusion Effects 0.000 description 1
- 210000000459 calcaneus Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 210000001872 metatarsal bone Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/181—Resiliency achieved by the structure of the sole
- A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
- A43B13/188—Differential cushioning regions
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
- A43B13/223—Profiled soles
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
- A43B13/386—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process multilayered
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
- A43B13/40—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process with cushions
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/001—Golf shoes
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/143—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/1435—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/145—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalanges
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
- A43B7/146—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties provided with acupressure points or means for foot massage
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/0655—Tactile feedback
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0204—Standing on the feet
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3667—Golf stance aids, e.g. means for positioning a golfer's feet
Definitions
- the present disclosure relates to a sole structure for an article of footwear.
- the present disclosure relates to an insole and a sole structure including a sensory feedback system.
- Footwear typically includes a sole configured to be located under a wearer's foot to space the foot away from the ground or floor surface. Soles can be designed to provide a desired level of cushioning. The ground contact surface of the article of footwear can be configured for durability.
- Document US 4,823,799 discloses an insole according to the preamble of claim 1, it describes a method and a device for preventing injuries resulting from overloading the plantar surface of an individual during an in-tense physical activity such as locomotion, jumping or the like. More specifically, the invention relates to a biofeedback interface to be interposed between the plantar surface and the ground surface.
- the biofeedback interface functions to substantially enhance the specific unpleasant sensations perceived by the individual during heavy plantar surface loading (locomotion and jumping) which are required to produce an enhanced protective behavioral response; the behavior avoids the unpleasant sensation, which in turn, decreases the loading with a re-duction in the risk of physical injury.
- Document US 5,035,068 describes a shoe with removable insole system which provides improved comfort, support and overall performance of all types of shoes and, more particularly, to an interchangeable insole/shoe system which provides improved comfort and support, wherein the structure of the removable insole is also designed to simultaneously encourage improved blood circulation and perfusion characteristics to a wearer's foot, with optional ventilation, deodorization, and antifungus features.
- Document DE 203 14 683 U1 describes an insert for a shoe having two hard core surfaces in the heel and ball area, and special holes in the foam surface which with higher pressure loading allow the points of the hard core surfaces to emerge from the holes.
- the soft foam surface of the insert itself has holes in which are fitted the hardcore surfaces. If the wearer steps too heavily the soft foam collapses and the pointed ends of the cores enter the holes of the soft foam surface and remind the wearer that a maximum loading has been exceeded.
- the present invention is defined by an insole according to the appended claim 1 and by a sole structure according to the appended claim 9. It is desirable to maintain the center of pressure (COP) at a predetermined, ideal location on a shoe sole during a golf swing.
- the present disclosure describes a sole structure including a sensory feedback system capable of providing the golfer with a tactile indication that the COP has shifted from its ideal location during the golf swing.
- the sole structure includes an insole with a sensory feedback system.
- the insole includes a first insole layer and a second insole layer coupled to the second insole layer, and the sensory feedback system includes a plurality of protrusions extending from the second insole layer and through the first insole layer.
- the protrusions are made from a material that is harder than the material forming the first insole layer.
- the hardness of the material forming the protrusions is greater than the hardness of the material forming the first insole layer.
- the term "hardness” means the resistance of a material to permanent deformation (e.g., permanent indentation).
- the protrusions are placed along a predetermined portion of the insole based on the user's needs. As such, the protrusions can provide a tactile sensory feedback to the user during golf swing. Specifically, a user may shift its COP away from the predetermined, ideal COP location during a golf swing. As part of his training, however, the user senses the protrusions when he is shifting the COP away from the predetermined, ideal COP location during a golf swing, allowing the user to correct its golf swing.
- FIGS. 1 and 2 schematically illustrate a sole structure 12 for an article of footwear 10 ( FIG. 2 ).
- the article of footwear 10 further includes a footwear upper 14 ( FIG. 2 ) secured to the sole structure 12.
- the article of footwear 10 may be a golf shoe 11.
- the sole structure 12 includes an outsole 16 and a midsole 18 secured to the outsole 16.
- the outsole 16 includes an outsole body 20 and a plurality of tread elements 22 for providing traction to the wearer of the article of footwear 10.
- the tread elements 22 extend from the outsole body 20.
- the outsole 16 can be a single-piece or unitary structure and can be manufactured using an insert molding process.
- the material for the outsole 16 may be selected to provide a desirable combination of durability and flexibility.
- the outsole 16 may be wholly or partly made of a thermoplastic or other suitably durable material.
- the outsole 16 is wholly or partly made of thermoplastic polyurethane (TPU).
- the sole structure 12 also includes a midsole 18 that overlays at least part of the outsole 16. Specifically, in the depicted embodiment, the midsole 18 is directly secured to the outsole 16 and extends over most or all the outsole 16.
- the midsole 18 defines an upper midsole surface 19 and a lower midsole surface 21 opposite to the upper midsole surface 19.
- the upper midsole surface 19 faces away from the outsole 16, and the lower midsole surface 21 faces toward the outsole 16.
- the midsole 18 is wholly or partly made of a material that combines a desired level of resiliency and support, such as an ethylene vinyl acetate (EVA) foam and polyurethane foam.
- EVA ethylene vinyl acetate
- the sole structure 12 further includes an insole 24 that overlays the midsole 18.
- the insole 24 may be alternatively referred to as sock liner and is directly secured to the midsole 18 and extends over most of the upper midsole surface 19.
- the insole 24 may be made of a cushioning foam material, such as a lighter weight and less rigid foam than the midsole 18.
- the insole 24 may be formed of a deformable (for example, compressible) material, such as polyurethane foams, EVA foams, or other polymer foam materials.
- the insole 24 may be wholly or partly made of a blend of the EVA and Nitrile rubber.
- the insole 24 may, by virtue of its compressibility, provide cushioning, and may also conform to the foot in order to provide comfort, support, and stability.
- the insole 24 extends along a longitudinal insole axis X and has an insole heel region 26, an insole midfoot region 28, and an insole forefoot region 30.
- the insole midfoot region 28 is between the insole heel region 26 and the insole forefoot region 30.
- the insole heel region 26, the insole midfoot region 28, and the insole forefoot region 30 are defined as the rearmost third, the middle third, and the foremost third of the insole 24, respectively.
- the insole heel region 26 generally includes portions of the insole 24 corresponding with rear portions of a human foot including the calcaneus bone and of a size corresponding with the insole 24 and article of footwear 10.
- the insole forefoot region 30 generally includes portions of the insole 24 corresponding with the toes and the joints connecting the metatarsals with the phalanges of the human foot of the size corresponding with the insole 24 and article of footwear 10.
- the insole midfoot region 28 generally includes portions of the insole 24 corresponding with an arch area of the human foot of the size corresponding with the outsole and article of footwear 10. Accordingly, the insole midfoot region 28 is also referred to as the insole arch region.
- a lateral side of a component for the article of footwear 10 is a side that corresponds with the side of the foot of the wearer of the article of footwear 10 that is generally further from the other foot of the wearer (i.e., it is the side closer to the fifth toe of the wearer).
- the fifth toe is commonly referred to as the little toe.
- a medial side of a component for the article of footwear 10, such as an insole medial side 34 of the outsole 16 is the side that corresponds with an inside area of the foot of the wearer and is generally closer to the other foot of the wearer (i.e., it is the side closer to the hallux of the foot of the wearer).
- the hallux is commonly referred to as the big toe.
- the insole lateral side 32 and the insole medial side 34 both extend around the periphery of the insole 24 from the foremost extent 37 to the rearmost extent 38.
- the midsole 18 is at least partly disposed between the outsole 16 and the insole 24.
- the outsole 16 and the midsole 18 can be secured to one another by thermoforming during a molding process, by thermoplastic layers that melt to bond the components, by adhesives, or by any other suitable manner.
- the footwear upper 14 is secured in any suitable manner to the sole structure 12. More specifically, the footwear upper 14 is secured to an inner outsole peripheral surface 50 of the outsole 16, and to an inner midsole peripheral surface 52 of the midsole 18.
- the footwear upper 14 may include one or more materials (for example, textiles, foam, leather, and synthetic leather), which may be stitched, adhesively bonded, molded, or otherwise formed to define an interior void configured to receive a foot.
- the material for the upper 14 may be selected and arranged to selectively impart properties such as durability, air-permeability, wear-resistance, flexibility, and comfort.
- the insole 24 has a foot-receiving surface 36 and a midsole-facing surface 40 opposite the foot-receiving surface 36.
- the insole 24 includes a first or upper insole layer 42 and a second or lower insole layer 44 coupled to the first insole layer 42.
- the first insole layer 42 defines the foot-receiving surface 36 of the insole 24, and the second insole layer 44 defines the midsole-facing surface 40 of the insole 24.
- the second insole layer 44 is disposed below the first insole layer 42. Accordingly, the second insole layer 44 is disposed between the midsole 18 and the first insole layer 42.
- the insole 24 further includes a tactile sensory feedback system 45 for providing the wearer with a tactile indication that his center of pressure (COP) has shifted from a predetermined, ideal location C during, for example, a golf swing.
- COP center of pressure
- the term "center of pressure” means the point of application of the ground reaction force vector.
- the "ground reaction force vector” represents the sum of all forces acting between the foot of a wearer of the article of footwear 10 and the insole 24.
- the predetermined, ideal COP location C is at the insole midfoot region 28, and it is desirable to maintain the COP at the predetermined, ideal location C at different stages of a golf swing in order to optimize the club swing.
- the tactile sensory feedback system 45 can help make the user aware of poor balance and irregular weight shifts during a golf swing.
- the tactile sensory feedback system 45 serves a training tool to improve a golfer's swing.
- the tactile sensory feedback system 45 includes a plurality of protrusions 46 extending from the second insole layer 44 through the first insole layer 42.
- multiple protrusions 46 extend from the second insole layer 44 and at least partially through the first insole layer 42.
- the protrusions 46 have a greater hardness than the first insole layer 42.
- the indentation hardness of the material (measured, for example, in the Shore C Hardness Scale) forming the protrusions 46 may be greater than the indentation hardness of the material forming the first insole layer 42.
- the hardness of the material forming the protrusions 46 may be between ten percent (10%) and twenty-five percent (25%) greater than the hardness of the material forming the first insole layer 42.
- the material forming the first insole layer 42 may be referred to as the first material
- the material forming the protrusions 46 and the second insole layer 44 may be referred to as the second material.
- the hardness of the material forming the first insole layer 42 may be referred to as the first hardness
- the hardness of the material forming the protrusions 46 may be referred to as the second hardness. Accordingly, for purposes of the present application, the second hardness is greater than the first hardness.
- the hardness of the material forming the protrusions 46 is greater than the hardness of the material forming the first insole layer 42.
- the protrusions 46 and the first insole layer 42 may be made of different materials having different harnesses.
- the protrusions 46 may be made of polyurethane foam, whereas the first insole layer 42 may be made of EVA foam.
- the hardness of the polyurethane foam is greater than the hardness of the EVA foam.
- the protrusions 46 and the first insole layer 42 may be made of the same material having different densities.
- the protrusions 46 may be made of an EVA foam, which has a greater density than the EVA foam forming the first insole layer 42. As such, the hardness of the EVA foam forming the protrusions 46 is greater than the hardness of the EVA foam forming the first insole layer 42. It is envisioned, that the protrusions 46 may be integrally formed with the second insole layer 44 so as to form a one-piece structure in order to facilitate manufacturing of the sole structure 12. Accordingly, the protrusions 46 and the second insole layer 44 may be made of the same material.
- each protrusion 46 is received in a hole 48 of the first insole layer 42.
- the first insole layer 42 may therefore have the same number holes 48 as the number of protrusions 46.
- Each hole 48 extends through the entire maximum thickness T of the first insole layer 42.
- the maximum height H of the protrusion 46 is less than or equal to the maximum thickness of the first insole layer 42 when the user's COP A on the insole 24 coincides with the predetermined, ideal COP location C.
- each hole 48 is configured, shaped, and sized to receive at least one protrusion 46.
- Each protrusion 46 may have a cylindrical shape in order to facilitate manufacturing of the insole 24, and each hole 48 may also have a corresponding cylindrical shape in order to receive one protrusion 46. It is contemplated, however, that the protrusions 46 and holes 48 may have other suitable shapes.
- the protrusions 46 do not extend through the entire maximum thickness T of the first insole layer 42 when the user's COP A on the insole 24 coincides with the predetermined, ideal COP location C.
- the protrusions 46 are not flush with the foot-receiving surface 36 of the insole 24 when the user's COP A on the insole 24 coincides with the predetermined, ideal COP location C as shown in FIG. 3 .
- the user does not feel the protrusions 46 when his COP A coincides with the predetermined, ideal COP location C.
- a gap 54 is defined between a top terminal surface 56 of the protrusion 46 and the foot-receiving surface 36 of the insole 24 when the user's COP A on the insole 24 coincides with the predetermined, ideal COP location C.
- the weight of the wearer shifts at least part of the foot-receiving surface 36 of the insole 24 shifts toward the second insole layer 44, thereby closing the gap 54 as shown in FIG. 4 .
- the user can feel the protrusion 46, because the softer first insole layer 44 deforms to a greater extent than the harder protrusion 46, which causes the protrusion 46 to extend beyond the foot-receiving surface 36 and impinge into the user's foot/skin.
- the protrusions 46 are made of a harder material than the material forming the first insole layer 44, the wearer can easily sense the protrusion 46 on his foot. In other words, the difference in hardness between the protrusions 46 and the first insole layer 44 assist in providing the user with a tactile indication that the user's COP A has shifted from the predetermined, ideal COP location C. Such tactile indication helps the wearer correct its balance and weight pattern during a golf swing.
- the protrusions 46 are only disposed along the feedback region F of the insole 24 in order to provide tactile training feedback to a user during a golf swing.
- the protrusions 46 can be located on different parts of the insole 24.
- the particular location of the feedback region F depends on the particular user's needs. According to the invention and as depicted in FIG. 1 , the feedback region F does not encompass the entire surface area of the insole 24. Rather, the feedback region F only extends along insole lateral side 32 of the insole 24 in order provide tactile feedback about the user's balance in the medial-lateral direction L ( FIG. 1 ).
- no protrusion 46 is located along the insole medial side 34 of the insole 24 as shown in FIG. 1 .
- all the protrusions 46 are located closer to the insole lateral side 32 than to the insole medial side 34 of the insole 24.
- the feedback region F extends along the insole heel region 26, the insole midfoot region 28, and the insole forefoot region 30 in order to maximize the tactile feedback in the medial lateral direction L.
- the tactile training feedback to the user increases as a function of a distance D between the location of the actual COP A during a golf swing and the predetermined, ideal COP location C. Accordingly, the tactile training feedback is indicative of the actual COP of the user on the insole 24.
- the intensity of the tactile training feedback is a function of the maximum height H ( FIG. 3 ) of the protrusions 46.
- the maximum height H of the protrusion 46 is defined as the distance from the lower protrusion edge 58 to the top terminal surface 56 of the protrusion 46.
- the lower protrusion edge 58 is located at the intersection between the second insole layer 44 and the protrusion 46.
- the spacing and density of the protrusions 46 within the feedback region F can be tuned according to the user's needs.
- the spacing between the protrusions 46 within the feedback region affects the intensity and location of the tactile training feedback.
- the protrusion density within the feedback region F also affects the intensity and location of the tactile training feedback. Accordingly, the intensity and location of the tactile training feedback are a function of the protrusion density/spacing within the feedback region F.
- the feedback region F may be disposed only at insole forefoot region 30 of the insole 24 in order to provide tactile training feedback about the user's balance in an anterior-posterior direction P.
- anterior-posterior is used to refer to a front or forward component or portion of a component.
- posterior is used to refer to a rear or rearward component of portion of a component.
- forward is used to refer to the general direction from the heel region 26 toward the forefoot region 30, and the term “rearward” is used to refer to the opposite direction, i.e., the direction from the forefoot region 30 toward the heel region 26.
- no protrusion 46 is disposed at the insole heel region 26 and the insole midfoot region 28 in order to provide tactile training feedback mostly in the anterior-posterior direction P.
- the anterior-posterior direction P may be perpendicular to the medial-lateral direction L.
- the feedback region F can only be disposed at the insole heel region 26 in order to provide tactile training feedback about the user's balance in an anterior-posterior direction P.
- no protrusion 46 is disposed at the insole forefoot region 30 and the insole midfoot region 28 in order to provide tactile training feedback mostly in the anterior-posterior direction P.
Description
- This application claims priority to, and the benefit of,
U.S. Patent Application No. 15/165,617, filed on May 26, 2016 - The present disclosure relates to a sole structure for an article of footwear. In particular, the present disclosure relates to an insole and a sole structure including a sensory feedback system.
- Footwear typically includes a sole configured to be located under a wearer's foot to space the foot away from the ground or floor surface. Soles can be designed to provide a desired level of cushioning. The ground contact surface of the article of footwear can be configured for durability.
- Document
US 4,823,799 discloses an insole according to the preamble of claim 1, it describes a method and a device for preventing injuries resulting from overloading the plantar surface of an individual during an in-tense physical activity such as locomotion, jumping or the like. More specifically, the invention relates to a biofeedback interface to be interposed between the plantar surface and the ground surface. The biofeedback interface functions to substantially enhance the specific unpleasant sensations perceived by the individual during heavy plantar surface loading (locomotion and jumping) which are required to produce an enhanced protective behavioral response; the behavior avoids the unpleasant sensation, which in turn, decreases the loading with a re-duction in the risk of physical injury. - Document
US 5,035,068 describes a shoe with removable insole system which provides improved comfort, support and overall performance of all types of shoes and, more particularly, to an interchangeable insole/shoe system which provides improved comfort and support, wherein the structure of the removable insole is also designed to simultaneously encourage improved blood circulation and perfusion characteristics to a wearer's foot, with optional ventilation, deodorization, and antifungus features. - Document
DE 203 14 683 U1 describes an insert for a shoe having two hard core surfaces in the heel and ball area, and special holes in the foam surface which with higher pressure loading allow the points of the hard core surfaces to emerge from the holes. The soft foam surface of the insert itself has holes in which are fitted the hardcore surfaces. If the wearer steps too heavily the soft foam collapses and the pointed ends of the cores enter the holes of the soft foam surface and remind the wearer that a maximum loading has been exceeded. - The present invention is defined by an insole according to the appended claim 1 and by a sole structure according to the appended claim 9. It is desirable to maintain the center of pressure (COP) at a predetermined, ideal location on a shoe sole during a golf swing. To this end, the present disclosure describes a sole structure including a sensory feedback system capable of providing the golfer with a tactile indication that the COP has shifted from its ideal location during the golf swing. The sole structure includes an insole with a sensory feedback system. The insole includes a first insole layer and a second insole layer coupled to the second insole layer, and the sensory feedback system includes a plurality of protrusions extending from the second insole layer and through the first insole layer. The protrusions are made from a material that is harder than the material forming the first insole layer. In other words, the hardness of the material forming the protrusions is greater than the hardness of the material forming the first insole layer. In the present disclosure, the term "hardness" means the resistance of a material to permanent deformation (e.g., permanent indentation). Further, the protrusions are placed along a predetermined portion of the insole based on the user's needs. As such, the protrusions can provide a tactile sensory feedback to the user during golf swing. Specifically, a user may shift its COP away from the predetermined, ideal COP location during a golf swing. As part of his training, however, the user senses the protrusions when he is shifting the COP away from the predetermined, ideal COP location during a golf swing, allowing the user to correct its golf swing.
- "A," "an," "the," "at least one," and "one or more" are used interchangeably to indicate that at least one of the item is present; a plurality of such items may be present unless the context clearly indicates otherwise. In addition, a disclosure of a range is to be understood as specifically disclosing all values and further divided ranges within the range.
- The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, or components. Orders of steps, processes, and operations may be altered when possible, and additional or alternative steps may be employed. As used in this specification, the term "or" includes any one and all combinations of the associated listed items.
- Those having ordinary skill in the art will recognize that terms such as "above," "below," "upward," "downward," "top," "bottom," etc., are used descriptively for the figures, and do not represent limitations on the scope of the present teachings, as defined by the claims.
- The above features and advantages and other features and advantages of the present teachings are readily apparent from the following detailed description of the best modes for carrying out the teachings when taken in connection with the accompanying drawings.
-
-
Figure 1 is a schematic, top view of a sole structure, according to the claimed invention, including tactile sensory feedback protrusions along its lateral side. -
Figure 2 is a schematic, cross-sectional side view of the sole structure shown inFigure 1 , taken along section line 2-2. -
Figure 3 is a schematic, fragmentary, enlarged cross-sectional side view of an insole of the sole structure shown inFigure 1 when a wearer's COP on the insole coincides with a predetermined, ideal COP location. -
Figure 4 is a schematic, fragmentary, enlarged cross-sectional side view of the insole of the sole structure shown inFigure 1 when the wearer's COP on the insole does not coincide with the predetermined, ideal COP location. -
Figure 5 is a schematic, top view of a sole structure, not part of the claimed invention, including tactile sensory feedback protrusions at a forefoot region of the insole. -
Figure 6 is a schematic, top view of a sole structure, not part of the claimed invention, including tactile sensory feedback protrusions at a heel region of the insole. - Referring to the drawings, wherein like reference numbers correspond to like or similar components throughout the several figures, and beginning with
FIGS. 1 and2 schematically illustrate asole structure 12 for an article of footwear 10 (FIG. 2 ). The article offootwear 10 further includes a footwear upper 14 (FIG. 2 ) secured to thesole structure 12. As a non-limiting example, the article offootwear 10 may be agolf shoe 11. Thesole structure 12 includes anoutsole 16 and amidsole 18 secured to theoutsole 16. Theoutsole 16 includes anoutsole body 20 and a plurality oftread elements 22 for providing traction to the wearer of the article offootwear 10. Thetread elements 22 extend from theoutsole body 20. - The
outsole 16 can be a single-piece or unitary structure and can be manufactured using an insert molding process. The material for theoutsole 16 may be selected to provide a desirable combination of durability and flexibility. For instance, theoutsole 16 may be wholly or partly made of a thermoplastic or other suitably durable material. As a non-limiting example, theoutsole 16 is wholly or partly made of thermoplastic polyurethane (TPU). - As discussed above, the
sole structure 12 also includes amidsole 18 that overlays at least part of theoutsole 16. Specifically, in the depicted embodiment, themidsole 18 is directly secured to theoutsole 16 and extends over most or all theoutsole 16. Themidsole 18 defines anupper midsole surface 19 and alower midsole surface 21 opposite to theupper midsole surface 19. Theupper midsole surface 19 faces away from theoutsole 16, and thelower midsole surface 21 faces toward theoutsole 16. Themidsole 18 is wholly or partly made of a material that combines a desired level of resiliency and support, such as an ethylene vinyl acetate (EVA) foam and polyurethane foam. - The
sole structure 12 further includes aninsole 24 that overlays themidsole 18. Theinsole 24 may be alternatively referred to as sock liner and is directly secured to themidsole 18 and extends over most of theupper midsole surface 19. Theinsole 24 may be made of a cushioning foam material, such as a lighter weight and less rigid foam than themidsole 18. For instance, theinsole 24 may be formed of a deformable (for example, compressible) material, such as polyurethane foams, EVA foams, or other polymer foam materials. As a non-limiting example, theinsole 24 may be wholly or partly made of a blend of the EVA and Nitrile rubber. Accordingly, theinsole 24 may, by virtue of its compressibility, provide cushioning, and may also conform to the foot in order to provide comfort, support, and stability. For purposes of reference, theinsole 24 extends along a longitudinal insole axis X and has aninsole heel region 26, aninsole midfoot region 28, and aninsole forefoot region 30. Theinsole midfoot region 28 is between theinsole heel region 26 and theinsole forefoot region 30. For purposes of discussion, theinsole heel region 26, theinsole midfoot region 28, and theinsole forefoot region 30 are defined as the rearmost third, the middle third, and the foremost third of theinsole 24, respectively. Theinsole heel region 26 generally includes portions of theinsole 24 corresponding with rear portions of a human foot including the calcaneus bone and of a size corresponding with theinsole 24 and article offootwear 10. Theinsole forefoot region 30 generally includes portions of theinsole 24 corresponding with the toes and the joints connecting the metatarsals with the phalanges of the human foot of the size corresponding with theinsole 24 and article offootwear 10. Theinsole midfoot region 28 generally includes portions of theinsole 24 corresponding with an arch area of the human foot of the size corresponding with the outsole and article offootwear 10. Accordingly, theinsole midfoot region 28 is also referred to as the insole arch region. - As used herein, a lateral side of a component for the article of
footwear 10, such as aninsole lateral side 32, is a side that corresponds with the side of the foot of the wearer of the article offootwear 10 that is generally further from the other foot of the wearer (i.e., it is the side closer to the fifth toe of the wearer). The fifth toe is commonly referred to as the little toe. A medial side of a component for the article offootwear 10, such as an insolemedial side 34 of theoutsole 16, is the side that corresponds with an inside area of the foot of the wearer and is generally closer to the other foot of the wearer (i.e., it is the side closer to the hallux of the foot of the wearer). The hallux is commonly referred to as the big toe. Theinsole lateral side 32 and the insolemedial side 34 both extend around the periphery of theinsole 24 from theforemost extent 37 to therearmost extent 38. - The
midsole 18 is at least partly disposed between theoutsole 16 and theinsole 24. Theoutsole 16 and themidsole 18 can be secured to one another by thermoforming during a molding process, by thermoplastic layers that melt to bond the components, by adhesives, or by any other suitable manner. The footwear upper 14 is secured in any suitable manner to thesole structure 12. More specifically, the footwear upper 14 is secured to an inner outsoleperipheral surface 50 of theoutsole 16, and to an inner midsoleperipheral surface 52 of themidsole 18. The footwear upper 14 may include one or more materials (for example, textiles, foam, leather, and synthetic leather), which may be stitched, adhesively bonded, molded, or otherwise formed to define an interior void configured to receive a foot. The material for the upper 14 may be selected and arranged to selectively impart properties such as durability, air-permeability, wear-resistance, flexibility, and comfort. - The
insole 24 has a foot-receivingsurface 36 and a midsole-facingsurface 40 opposite the foot-receivingsurface 36. In the depicted embodiment, theinsole 24 includes a first orupper insole layer 42 and a second orlower insole layer 44 coupled to thefirst insole layer 42. Thefirst insole layer 42 defines the foot-receivingsurface 36 of theinsole 24, and thesecond insole layer 44 defines the midsole-facingsurface 40 of theinsole 24. Thesecond insole layer 44 is disposed below thefirst insole layer 42. Accordingly, thesecond insole layer 44 is disposed between themidsole 18 and thefirst insole layer 42. - The
insole 24 further includes a tactilesensory feedback system 45 for providing the wearer with a tactile indication that his center of pressure (COP) has shifted from a predetermined, ideal location C during, for example, a golf swing. In the present disclosure, the term "center of pressure" means the point of application of the ground reaction force vector. The "ground reaction force vector" represents the sum of all forces acting between the foot of a wearer of the article offootwear 10 and theinsole 24. The predetermined, ideal COP location C is at theinsole midfoot region 28, and it is desirable to maintain the COP at the predetermined, ideal location C at different stages of a golf swing in order to optimize the club swing. By providing the tactile indication that the COP has moved from the predetermined, ideal COP C, the tactilesensory feedback system 45 can help make the user aware of poor balance and irregular weight shifts during a golf swing. In other words, the tactilesensory feedback system 45 serves a training tool to improve a golfer's swing. - The tactile
sensory feedback system 45 includes a plurality ofprotrusions 46 extending from thesecond insole layer 44 through thefirst insole layer 42. In the depicted embodiment,multiple protrusions 46 extend from thesecond insole layer 44 and at least partially through thefirst insole layer 42. Theprotrusions 46 have a greater hardness than thefirst insole layer 42. For instance, the indentation hardness of the material (measured, for example, in the Shore C Hardness Scale) forming theprotrusions 46 may be greater than the indentation hardness of the material forming thefirst insole layer 42. For example, the hardness of the material forming theprotrusions 46 may be between ten percent (10%) and twenty-five percent (25%) greater than the hardness of the material forming thefirst insole layer 42. As a result, when the wearer's actual COP A moves from the predetermined, ideal COP location C during a golf swing, the wearer can tactilely senseprotrusions 46 on his foot, thereby indicating that his COP A has shifted from the predetermined, ideal location C. The material forming thefirst insole layer 42 may be referred to as the first material, and the material forming theprotrusions 46 and thesecond insole layer 44 may be referred to as the second material. Similarly, the hardness of the material forming thefirst insole layer 42 may be referred to as the first hardness, and the hardness of the material forming theprotrusions 46 may be referred to as the second hardness. Accordingly, for purposes of the present application, the second hardness is greater than the first hardness. - As discussed above, the hardness of the material forming the
protrusions 46 is greater than the hardness of the material forming thefirst insole layer 42. To achieve this difference in hardness, theprotrusions 46 and thefirst insole layer 42 may be made of different materials having different harnesses. As a non-limiting example, theprotrusions 46 may be made of polyurethane foam, whereas thefirst insole layer 42 may be made of EVA foam. In this particular example, the hardness of the polyurethane foam is greater than the hardness of the EVA foam. Alternatively, theprotrusions 46 and thefirst insole layer 42 may be made of the same material having different densities. For instance, theprotrusions 46 may be made of an EVA foam, which has a greater density than the EVA foam forming thefirst insole layer 42. As such, the hardness of the EVA foam forming theprotrusions 46 is greater than the hardness of the EVA foam forming thefirst insole layer 42. It is envisioned, that theprotrusions 46 may be integrally formed with thesecond insole layer 44 so as to form a one-piece structure in order to facilitate manufacturing of thesole structure 12. Accordingly, theprotrusions 46 and thesecond insole layer 44 may be made of the same material. - Referring to
FIGS. 3 and 4 , regardless of the specific material employed, eachprotrusion 46 is received in ahole 48 of thefirst insole layer 42. Thefirst insole layer 42 may therefore have the same number holes 48 as the number ofprotrusions 46. Eachhole 48 extends through the entire maximum thickness T of thefirst insole layer 42. The maximum height H of theprotrusion 46 is less than or equal to the maximum thickness of thefirst insole layer 42 when the user's COP A on theinsole 24 coincides with the predetermined, ideal COP location C. Further, eachhole 48 is configured, shaped, and sized to receive at least oneprotrusion 46. Eachprotrusion 46 may have a cylindrical shape in order to facilitate manufacturing of theinsole 24, and eachhole 48 may also have a corresponding cylindrical shape in order to receive oneprotrusion 46. It is contemplated, however, that theprotrusions 46 and holes 48 may have other suitable shapes. - Referring now to
FIGS. 1-4 , irrespective of its shape, theprotrusions 46 do not extend through the entire maximum thickness T of thefirst insole layer 42 when the user's COP A on theinsole 24 coincides with the predetermined, ideal COP location C. In other words, theprotrusions 46 are not flush with the foot-receivingsurface 36 of theinsole 24 when the user's COP A on theinsole 24 coincides with the predetermined, ideal COP location C as shown inFIG. 3 . As a result, the user does not feel theprotrusions 46 when his COP A coincides with the predetermined, ideal COP location C. Therefore, agap 54 is defined between a topterminal surface 56 of theprotrusion 46 and the foot-receivingsurface 36 of theinsole 24 when the user's COP A on theinsole 24 coincides with the predetermined, ideal COP location C. However, when the wearer's COP does not coincide with predetermined, ideal COP location C during a golf swing, the weight of the wearer shifts at least part of the foot-receivingsurface 36 of theinsole 24 shifts toward thesecond insole layer 44, thereby closing thegap 54 as shown inFIG. 4 . Consequently, the user can feel theprotrusion 46, because the softerfirst insole layer 44 deforms to a greater extent than theharder protrusion 46, which causes theprotrusion 46 to extend beyond the foot-receivingsurface 36 and impinge into the user's foot/skin. Further, because theprotrusions 46 are made of a harder material than the material forming thefirst insole layer 44, the wearer can easily sense theprotrusion 46 on his foot. In other words, the difference in hardness between theprotrusions 46 and thefirst insole layer 44 assist in providing the user with a tactile indication that the user's COP A has shifted from the predetermined, ideal COP location C. Such tactile indication helps the wearer correct its balance and weight pattern during a golf swing. - According to the invention, the
protrusions 46 are only disposed along the feedback region F of theinsole 24 in order to provide tactile training feedback to a user during a golf swing. Depending on the wearer's golf swing patterns, theprotrusions 46 can be located on different parts of theinsole 24. The particular location of the feedback region F depends on the particular user's needs. According to the invention and as depicted inFIG. 1 , the feedback region F does not encompass the entire surface area of theinsole 24. Rather, the feedback region F only extends alonginsole lateral side 32 of theinsole 24 in order provide tactile feedback about the user's balance in the medial-lateral direction L (FIG. 1 ). To provide tactile feedback about the user's balance in the medial-lateral direction L, noprotrusion 46 is located along the insolemedial side 34 of theinsole 24 as shown inFIG. 1 . Thus, in the embodiment depicted inFIG. 1 , all theprotrusions 46 are located closer to theinsole lateral side 32 than to the insolemedial side 34 of theinsole 24. In this embodiment, the feedback region F extends along theinsole heel region 26, theinsole midfoot region 28, and theinsole forefoot region 30 in order to maximize the tactile feedback in the medial lateral direction L. - Because of the location of the feedback region F, the tactile training feedback to the user increases as a function of a distance D between the location of the actual COP A during a golf swing and the predetermined, ideal COP location C. Accordingly, the tactile training feedback is indicative of the actual COP of the user on the
insole 24. The intensity of the tactile training feedback is a function of the maximum height H (FIG. 3 ) of theprotrusions 46. The maximum height H of theprotrusion 46 is defined as the distance from thelower protrusion edge 58 to the topterminal surface 56 of theprotrusion 46. Thelower protrusion edge 58 is located at the intersection between thesecond insole layer 44 and theprotrusion 46. The spacing and density of theprotrusions 46 within the feedback region F can be tuned according to the user's needs. The spacing between theprotrusions 46 within the feedback region affects the intensity and location of the tactile training feedback. Likewise, the protrusion density within the feedback region F also affects the intensity and location of the tactile training feedback. Accordingly, the intensity and location of the tactile training feedback are a function of the protrusion density/spacing within the feedback region F. - Referring to
FIG. 5 , presenting an embodiment outside the scope of the claimed invention, it is contemplated that the feedback region F may be disposed only atinsole forefoot region 30 of theinsole 24 in order to provide tactile training feedback about the user's balance in an anterior-posterior direction P. The term "anterior" is used to refer to a front or forward component or portion of a component. The term "posterior" is used to refer to a rear or rearward component of portion of a component. The term "forward" is used to refer to the general direction from theheel region 26 toward theforefoot region 30, and the term "rearward" is used to refer to the opposite direction, i.e., the direction from theforefoot region 30 toward theheel region 26. In this embodiment, noprotrusion 46 is disposed at theinsole heel region 26 and theinsole midfoot region 28 in order to provide tactile training feedback mostly in the anterior-posterior direction P. The anterior-posterior direction P may be perpendicular to the medial-lateral direction L. - Referring to
FIG. 6 , presenting an embodiment outside the scope of the claimed invention, the feedback region F can only be disposed at theinsole heel region 26 in order to provide tactile training feedback about the user's balance in an anterior-posterior direction P. In this embodiment, noprotrusion 46 is disposed at theinsole forefoot region 30 and theinsole midfoot region 28 in order to provide tactile training feedback mostly in the anterior-posterior direction P. - While the best modes for carrying out the teachings have been described in detail, those familiar with the art to which this disclosure relates will recognize various alternative designs and embodiments for practicing the teachings within the scope of the appended claims.
Claims (15)
- An insole (24) including an insole lateral side (32) and an insole medial side (34) opposite the insole lateral side (32), the insole (24) comprising:a first insole layer (42) defining a foot-receiving surface (36) and made of a first material, wherein the first material has a first hardness;a second insole layer (44) coupled to the first insole layer (42); anda plurality of protrusions (46) each extending from the second insole layer (44), wherein each of the protrusions (46) extends through the first insole layer (42), each of the protrusions (46) is made of a second material, the second material has a second hardness, and the second hardness is greater than the first hardness;characterized in that the protrusions (46) are only located at a feedback region (F) of the insole (24) in order to provide tactile training feedback to a user during a golf swing, wherein the feedback region (F) is at least partially disposed along the insole lateral side (32) to provide tactile feedback about a user's balance in a medial-lateral direction, and wherein there is no protrusion (46) located along the insole medial side (34) of the insole (24).
- The insole (24) of claim 1, wherein the insole (24) includes an insole forefoot region (30), an insole heel region (26), and an insole midfoot region (28) between the insole forefoot region (30) and the insole heel region (26), and the feedback region (F) is at least partially disposed in at least one of the insole heel region (26) or the insole forefoot region (30) to provide tactile feedback about a user's balance in an anterior-posterior direction.
- The insole (24) of any of claim 2, wherein the tactile training feedback is indicative of a location of a center of pressure (COP) of the user on the insole (24), particularly wherein the tactile training feedback increases as a function of a distance between the location of the COP and a predetermined, ideal COP location.
- The insole (24) of claim 3, wherein the predetermined, ideal COP location is at the insole midfoot region (28).
- The insole (24) of any of claims 2-4, wherein the tactile training feedback is a function of at least one of a density and spacing and a height of the protrusions (46).
- The insole (24) of any of claims 1-5, wherein the second insole layer (44) is made of the second material.
- The insole (24) of any of claims 1-6, wherein the protrusions (46) are integrally formed with the second insole layer (44).
- The insole (24) of any of claims 1-7, wherein the first insole layer (42) has a maximum thickness, the first insole layer (42) defines a plurality of holes (48), each of the holes (48) extends through an entirety of the maximum thickness, and each of the holes (48) receives one of the protrusions (46).
- A sole structure (12), comprising:an outsole (16);an insole (24) according to claim 1; anda midsole (18) disposed between the outsole (16) and the insole (24).
- The sole structure (12) of claim 9, wherein the insole (24) includes an insole forefoot region (30), an insole heel region (26), and an insole midfoot region (28) between the insole forefoot region (30) and the insole heel region (26), and the feedback region (F) is at least partially disposed in at least one of the insole heel region (26) or the insole forefoot region (30) to provide tactile feedback about a user's balance in an anterior-posterior direction.
- The sole structure (12) of any of claim 10, wherein the tactile training feedback is indicative of a location of a center of pressure (COP) of the user on the insole (24), particularly wherein the tactile training feedback increases as a function of a distance between the location of the COP and a predetermined, ideal COP.
- The sole structure (12) of claim 11, wherein the predetermined, ideal COP location is at the insole midfoot region (28).
- The sole structure (12) of any of claims 10-12, wherein the tactile training feedback is a function of at least one of a density and spacing and a height of the protrusions (46), and/or wherein the second insole layer (44) is made of the second material.
- The sole structure (12) of any of claims 9-13, wherein the protrusions (46) are integrally formed with the second insole layer (44).
- The sole structure (12) of any of claims 10-14, wherein the first insole layer (42) has a maximum thickness, the first insole layer (42) defines a plurality of holes (48), each of the holes (48) extends through an entirety of the maximum thickness, and each of the holes (48) receives one of the protrusions (46), particularly wherein the tactile training feedback is indicative of a location of a center of pressure (COP) of the user on the insole (24), the insole (24) has a foot-receiving surface (36) and a midsole-facing surface (19) opposite the foot- receiving surface (36), the first insole layer (42) defines the foot-receiving surface (36), the second insole layer (44) defines the midsole-facing surface (19), each of the protrusions (46) has a maximum height, and the maximum height of the protrusion (46) is less than the maximum thickness of the first insole layer (42) when the location of the COP of the user on the insole (24) coincides with the predetermined, ideal COP location.
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US15/165,617 US20170340058A1 (en) | 2016-05-26 | 2016-05-26 | Sole structure for article of footwear with sensory feedback system |
PCT/US2017/029839 WO2017204985A1 (en) | 2016-05-26 | 2017-04-27 | Sole structure for article of footwear with sensory feedback system |
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EP (1) | EP3462962B1 (en) |
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CN108024595B (en) | 2015-09-18 | 2021-01-05 | 耐克创新有限合伙公司 | Footwear sole structure with compressed groove and non-linear bending stiffness |
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US20170340058A1 (en) | 2017-11-30 |
EP3462962A4 (en) | 2020-02-05 |
EP3462962A1 (en) | 2019-04-10 |
CN109152439A (en) | 2019-01-04 |
WO2017204985A1 (en) | 2017-11-30 |
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