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US20080307672A1 - Toe-fortifiable footwear and toe-fortifiable insole member of footwear - Google Patents

Toe-fortifiable footwear and toe-fortifiable insole member of footwear Download PDF

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Publication number
US20080307672A1
US20080307672A1 US11/812,010 US81201007A US2008307672A1 US 20080307672 A1 US20080307672 A1 US 20080307672A1 US 81201007 A US81201007 A US 81201007A US 2008307672 A1 US2008307672 A1 US 2008307672A1
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United States
Prior art keywords
insole
toe
footwear
fortifiable
insole surface
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.)
Abandoned
Application number
US11/812,010
Inventor
Sakae Ito
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Individual
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Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US11/812,010 priority Critical patent/US20080307672A1/en
Publication of US20080307672A1 publication Critical patent/US20080307672A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • 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
    • 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
    • A43B13/383—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process pieced
    • 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

Definitions

  • the present invention relates to footwear making the toe muscles fortifiable and to a toe-fortifiable insole member of footwear.
  • the insole thereof is formed to be substantially flat over the entire surface thereof.
  • a wearer cannot put muscle into his or her toes until he or she is conscious of a feeling of doing so, thereby allowing his or her center of gravity to incline backward to have poor posture.
  • the toe muscles fail to function sufficiently, the knees or lumbar will bear a heavy burden to injure them. These are problematic.
  • the present invention has as a first object to provide footwear capable of developing and fortifying toe muscles without a wearer being particularly conscious of a feeling of doing so in use.
  • a second object of the present invention is to provide a footwear insole member capable of developing and fortifying toe muscles without a wearer being particularly conscious of a feeling of doing so in use.
  • the present invention provides toe-fortifiable footwear comprising a sole portion and a step formation member of a constant thickness attached to an inside of the footwear, the step formation member having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the step formation member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness.
  • the toes are bent at the step part to come into contact with the first insole surface part.
  • the toes are in a state grasping the step part to allow the toes to exert spontaneous power thereof onto the step part. Therefore, the toe muscles can be developed and fortified without a wearer being particularly conscious of a feeling of doing so in use.
  • the center of gravity of the wearer is shifted forward to have good posture. Moreover, the toes and foot claws will not be injured.
  • the present invention provides a toe-fortifiable insole member having a constant thickness, detachably attached to an inside of footwear and having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the insole member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness of the insole member.
  • the toes when it is used as having been attached to footwear having a substantially flat surface, the toes are bent at the step part to come into contact with the first insole surface part. As a result, the toes are in a state grasping the step part to allow the toes to exert spontaneous power thereof onto the step part.
  • the toe muscles can be developed and fortified without a wearer being particularly conscious of a feeling of doing so in use.
  • the center of gravity of the wearer is shifted forward to have good posture.
  • the toes and foot claws will not be injured.
  • FIG. 1 is a perspective view showing one embodiment of a shoe according to the present invention.
  • FIG. 2 is a cross section taken along line II-II in FIG. 1 .
  • FIG. 3 is a perspective view showing one embodiment of a step formation member constituting an insole member according to the present invention.
  • FIG. 1 and FIG.2 illustrate an embodiment of toe-fortifiable footwear according to the present invention.
  • the toe-fortifiable footwear (shoe) 1 of the present invention comprises a sole portion 2 and a step formation member 4 of a constant thickness attached to an inside of the footwear.
  • the step formation member 4 has a forward end part 4 A that forms a step part 5 for having an insole surface 3 of the footwear divided into a first insole surface part 3 A for toes and a second insole surface part 3 B constituting a top surface of the step formation member 4 for a plantar surface exclusive of the first insole surface 3 A.
  • the first and second insole surface parts 3 A and 3 B differ in height by the constant thickness of the step formation member 4 .
  • the step formation member 4 has a thickness of 10 mm to set the step part 5 of about 10 mm.
  • the footwear (shoe) 1 has an upper portion (sack body portion) 10 , particularly an upper part (sack body part) 10 A corresponding to the instep, formed desirably into a three-dimensional size slightly larger than the three-dimensional size of an ordinary shoe so that the amount of the thickness of the step formation member 4 may be absorbed.
  • the step formation member 4 has a forward end part 4 A tapered to form a tapered step part 5 .
  • the forward end part 4 A of the step formation member 4 is formed into a shape in conformity with the contour of the toe root joints (refer to FIG. 3 ).
  • the step formation member 4 is preferably formed of an elastic material, such as rubber or plastic, having a cushioning property. In the present embodiment, it is formed of foamed polyurethane.
  • a low shoe such as a sneaker or a businessman shoe
  • the footwear of the present invention is shown as the footwear of the present invention.
  • the present invention may be applied to a boot or sandal.
  • FIG. 3 illustrates an embodiment of the toe-fortifiable insole member (the same as the step formation member 4 ) according to the present invention.
  • the toe-fortifiable insole member 4 of the present invention has a constant thickness, is detachably attached to the inside of footwear and has a forward end part 4 A that forms a step part 5 for having an insole surface 3 of the footwear divided into a first insole surface part 3 A for toes and a second insole surface part 3 B constituting a top surface of the insole member 4 for a plantar surface exclusive of the first insole surface 3 A.
  • the first and second insole surface parts 3 A and 3 B differ in height by the constant thickness of the insole member 4 .
  • the insole member 4 has a thickness of 10 mm to set the step part 5 of about 10 mm.
  • the insole member 4 has a forward end part 4 A tapered to form a tapered step part 5 .
  • the forward end part 4 A of the insole member 4 is formed into a shape in conformity with the contour of the roots of toe joints.
  • the insole member 4 is preferably formed of an elastic material, such as rubber or plastic, having a cushioning property. In the present embodiment, it is formed of foamed polyurethane.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Toe-fortifiable footwear includes a sole portion and a step formation member of a constant thickness attached to an inside of the footwear. The step formation member has a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the step formation member for a plantar surface exclusive of the first insole surface. The first and second insole surface parts differ in height by the constant thickness. The step formation member may be used as a separate toe-forcible insole member.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to footwear making the toe muscles fortifiable and to a toe-fortifiable insole member of footwear.
  • 2. Description of the Prior Art
  • In a conventional shoe, the insole thereof is formed to be substantially flat over the entire surface thereof. In use, therefore, a wearer cannot put muscle into his or her toes until he or she is conscious of a feeling of doing so, thereby allowing his or her center of gravity to incline backward to have poor posture. Furthermore, when the toe muscles fail to function sufficiently, the knees or lumbar will bear a heavy burden to injure them. These are problematic.
  • In addition, since the generalized trigger points are concentrated on the plantar surface, it is very important from the healthy and kinetic points of view to develop and fortify the plantar muscles, particularly toe muscles.
  • In view of the state of affairs, the present invention has as a first object to provide footwear capable of developing and fortifying toe muscles without a wearer being particularly conscious of a feeling of doing so in use.
  • A second object of the present invention is to provide a footwear insole member capable of developing and fortifying toe muscles without a wearer being particularly conscious of a feeling of doing so in use.
    • SUMMARY OF THE INVENTION
  • To attain the first object, the present invention provides toe-fortifiable footwear comprising a sole portion and a step formation member of a constant thickness attached to an inside of the footwear, the step formation member having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the step formation member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness.
  • According to the footwear of the present invention, the toes are bent at the step part to come into contact with the first insole surface part. As a result, the toes are in a state grasping the step part to allow the toes to exert spontaneous power thereof onto the step part. Therefore, the toe muscles can be developed and fortified without a wearer being particularly conscious of a feeling of doing so in use. In addition, the center of gravity of the wearer is shifted forward to have good posture. Moreover, the toes and foot claws will not be injured.
  • To achieve the second object, the present invention provides a toe-fortifiable insole member having a constant thickness, detachably attached to an inside of footwear and having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the insole member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness of the insole member.
  • According to the insole member of the present invention, when it is used as having been attached to footwear having a substantially flat surface, the toes are bent at the step part to come into contact with the first insole surface part. As a result, the toes are in a state grasping the step part to allow the toes to exert spontaneous power thereof onto the step part. Similarly to the case of the footwear according to the present invention, therefore, the toe muscles can be developed and fortified without a wearer being particularly conscious of a feeling of doing so in use. In addition, the center of gravity of the wearer is shifted forward to have good posture. Moreover, the toes and foot claws will not be injured.
  • The above and other objects, characteristic features and advantages of the present invention will become apparent to those skilled in the art from the description to be given herein below with reference to the accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view showing one embodiment of a shoe according to the present invention.
  • FIG. 2 is a cross section taken along line II-II in FIG. 1.
  • FIG. 3 is a perspective view showing one embodiment of a step formation member constituting an insole member according to the present invention.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • FIG. 1 and FIG.2 illustrate an embodiment of toe-fortifiable footwear according to the present invention.
  • The toe-fortifiable footwear (shoe) 1 of the present invention comprises a sole portion 2 and a step formation member 4 of a constant thickness attached to an inside of the footwear. The step formation member 4, the state of which before being attached is shown in FIG. 3, has a forward end part 4A that forms a step part 5 for having an insole surface 3 of the footwear divided into a first insole surface part 3A for toes and a second insole surface part 3B constituting a top surface of the step formation member 4 for a plantar surface exclusive of the first insole surface 3A. The first and second insole surface parts 3A and 3B differ in height by the constant thickness of the step formation member 4.
  • In this embodiment, the step formation member 4 has a thickness of 10 mm to set the step part 5 of about 10 mm.
  • The footwear (shoe) 1 has an upper portion (sack body portion) 10, particularly an upper part (sack body part) 10A corresponding to the instep, formed desirably into a three-dimensional size slightly larger than the three-dimensional size of an ordinary shoe so that the amount of the thickness of the step formation member 4 may be absorbed.
  • In this embodiment, the step formation member 4 has a forward end part 4A tapered to form a tapered step part 5.
  • In this embodiment, the forward end part 4A of the step formation member 4 is formed into a shape in conformity with the contour of the toe root joints (refer to FIG. 3).
  • The step formation member 4 is preferably formed of an elastic material, such as rubber or plastic, having a cushioning property. In the present embodiment, it is formed of foamed polyurethane.
  • In the illustrated embodiment, a low shoe, such as a sneaker or a businessman shoe, is shown as the footwear of the present invention. However, the present invention may be applied to a boot or sandal.
  • FIG. 3 illustrates an embodiment of the toe-fortifiable insole member (the same as the step formation member 4) according to the present invention.
  • The toe-fortifiable insole member 4 of the present invention has a constant thickness, is detachably attached to the inside of footwear and has a forward end part 4A that forms a step part 5 for having an insole surface 3 of the footwear divided into a first insole surface part 3A for toes and a second insole surface part 3B constituting a top surface of the insole member 4 for a plantar surface exclusive of the first insole surface 3A. The first and second insole surface parts 3A and 3B differ in height by the constant thickness of the insole member 4.
  • In this embodiment, the insole member 4 has a thickness of 10 mm to set the step part 5 of about 10 mm.
  • In this embodiment, the insole member 4 has a forward end part 4A tapered to form a tapered step part 5.
  • In this embodiment, the forward end part 4A of the insole member 4 is formed into a shape in conformity with the contour of the roots of toe joints.
  • The insole member 4 is preferably formed of an elastic material, such as rubber or plastic, having a cushioning property. In the present embodiment, it is formed of foamed polyurethane.

Claims (9)

1. Toe-fortifiable footwear having an insole surface that has a step part for dividing the insole surface into a first insole surface part for toes and a second insole surface part for a plantar surface having a height larger than the first insole surface part.
2. Toe-fortifiable footwear comprising a sole portion and a step formation member of a constant thickness attached to an inside of the footwear, the step formation member having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the step formation member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness.
3. Toe-fortifiable footwear according to claim 2, wherein the forward end part of the step formation member is tapered to make the step part tapered.
4. Toe-fortifiable footwear according to claim 2, wherein the forward end part of the step formation member is formed into a shape in conformity with a contour of toe root joints.
5. Toe-fortifiable footwear according to claim 2, wherein the step formation member is formed of an elastic material having a cushioning property including rubber and plastic.
6. A toe-fortifiable insole member having a constant thickness, detachably attached to an inside of footwear and having a forward end part that forms a step part for having an insole surface of the footwear divided into a first insole surface part for toes and a second insole surface part constituting a top surface of the insole member for a plantar surface exclusive of the first insole surface, which insole surface parts differ in height by the constant thickness of the insole member.
7. A toe-fortifiable insole member according to claim 6, wherein the forward end part is tapered to make the step part tapered.
8. A toe-fortifiable insole member according to claim 6, wherein the forward end part is formed into a shape in conformity with a contour of toe root joints.
9. A toe-fortifiable insole member according to claim 6, wherein it is formed of an elastic material having a cushioning property including rubber and plastic.
US11/812,010 2007-06-14 2007-06-14 Toe-fortifiable footwear and toe-fortifiable insole member of footwear Abandoned US20080307672A1 (en)

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US11/812,010 US20080307672A1 (en) 2007-06-14 2007-06-14 Toe-fortifiable footwear and toe-fortifiable insole member of footwear

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US11/812,010 US20080307672A1 (en) 2007-06-14 2007-06-14 Toe-fortifiable footwear and toe-fortifiable insole member of footwear

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110283561A1 (en) * 2009-06-02 2011-11-24 Haiyun Xie Half-Insert Used in Setting Middle-Sole of Shoes
US20130025158A1 (en) * 2011-07-28 2013-01-31 Richard Franklin Baskerville Fulcrum athletic shoe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415580A (en) * 1944-10-11 1947-02-11 Ralph E Davis Shoe and insole
US3143812A (en) * 1961-03-11 1964-08-11 Scholl Mfg Co Inc Insoles for footwear
US3456365A (en) * 1966-07-06 1969-07-22 Colonial Board Co Product and method for manufacture of insole blanks and the like
US4631841A (en) * 1985-03-14 1986-12-30 Hickey John L Shoe insert device
US4674201A (en) * 1983-08-08 1987-06-23 Weiss Robert F Foot support
US5664342A (en) * 1992-03-04 1997-09-09 Prodomo S.A. Insole with flexible massaging knobs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415580A (en) * 1944-10-11 1947-02-11 Ralph E Davis Shoe and insole
US3143812A (en) * 1961-03-11 1964-08-11 Scholl Mfg Co Inc Insoles for footwear
US3456365A (en) * 1966-07-06 1969-07-22 Colonial Board Co Product and method for manufacture of insole blanks and the like
US4674201A (en) * 1983-08-08 1987-06-23 Weiss Robert F Foot support
US4631841A (en) * 1985-03-14 1986-12-30 Hickey John L Shoe insert device
US5664342A (en) * 1992-03-04 1997-09-09 Prodomo S.A. Insole with flexible massaging knobs

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110283561A1 (en) * 2009-06-02 2011-11-24 Haiyun Xie Half-Insert Used in Setting Middle-Sole of Shoes
US8793903B2 (en) * 2009-06-02 2014-08-05 Lianhe Shoe Material Company Half-insert used in setting middle-sole of shoes
US20130025158A1 (en) * 2011-07-28 2013-01-31 Richard Franklin Baskerville Fulcrum athletic shoe
US20150007450A1 (en) * 2011-07-28 2015-01-08 Richard Frank Baskerville Apparatus and Related Methods of Increasing Foot Propulsion
US20220061453A1 (en) * 2011-07-28 2022-03-03 Richard Frank Baskerville Apparatus and related methods of increasing foot propulsion

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