CN106455746B - High-heeled shoes with correct posture - Google Patents

High-heeled shoes with correct posture Download PDF

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CN106455746B
CN106455746B CN201580008358.1A CN201580008358A CN106455746B CN 106455746 B CN106455746 B CN 106455746B CN 201580008358 A CN201580008358 A CN 201580008358A CN 106455746 B CN106455746 B CN 106455746B
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value
heel
angular curvature
heeled shoe
sole
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CN106455746A (en
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H·V·卡泽斯
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HEELZERO LLC
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HEELZERO LLC
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear 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
    • A43B7/141Footwear 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 having an anatomical or curved form
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/38Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/38Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/386Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process multilayered
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00Heels; Top-pieces or top-lifts
    • A43B21/24Heels; Top-pieces or top-lifts characterised by the constructive form

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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

The present invention discloses a high-heeled shoe for a human foot, which enables the person wearing it to stand and walk in a structurally correct (proper) posture, i.e. to walk as if she were walking with a flat shoe without a heel; so that the body can stand in balance and the foot rests on all points. The high-heeled shoe is formed with a curved inclined support sole that extends into a heel with the curve adjusted with arctan values and correction factors and toe and heel angles appropriate for a human foot to provide full conformity with the human foot for straight body positions appropriate for mechanics.

Description

High-heeled shoes with correct posture
Technical Field
The present invention relates to high-heeled shoes, and in particular to high-heeled shoes that enable a wearer to assume and maintain a structurally appropriate position while standing and walking.
Background
Shoes, and in particular shoes known as high-heeled shoes, which are typically over two inches (5.08cm), are adapted to be worn on a human foot. While comfort is a primary concern for footwear, secondary concerns are often associated with the aforementioned style of high-heeled shoes, which are often worn, particularly for style considerations, many times.
Structurally, the human foot consists of twenty-six distinct bones connected to each other by roughly thirty joints and held in their respective positions by ligaments and joint capsules. Thirty tendons, in addition to the tendons of the lower muscles of the legs and the foot muscles, function when the foot moves.
The ankle joint is responsible for dorsiflexion (raising the toes and standing only with the heel) and plantarflexion (lowering the toes and standing only with the toes) of the foot. Below the ankle joint, there are five bones called tarsal bones, and these bones can become extremely resistant or rigid structures due to grouped movements as necessary depending on the nature of the surface, which are in contact via the joints between them. Tarsal bones are five long bones, which are located at the front of the foot. At the ends of these tarsal bone structures, there are finger joints, consisting of phalanges, that are required for normal walking. The toes are connected to the tarsal bones via the Metatarsophalangeal (MTP) joints, the most important one of which is the first MTP joint belonging to the big toe.
The foot structure may be divided into three identifiable portions. Beginning at the rear, the first part (i.e., the heel) consists of the talus and calcaneus bones. The second or middle portion is composed of the navicular bone, metatarsal bones, and other bones (cuboid bone and three sphenoid bones). The five toes comprise the third or front portion of the foot, the big toe having two phalanges like the thumb of the hand, and the other toes having three phalanges. When a load is applied to the toes, the other four toes assume a gripping movement position during the time when the big toe is pressing against the ground.
Two arch systems are present in the foot; one arch system is the transverse arch at the front of the foot. The second or other longitudinal arch begins at the calcaneus and follows the interior of the foot until the base joint of the big toe. The arch at the front is shaped by ligaments that maintain the form of the arch when no load is applied on the foot, and stretch as the arch presses to the ground when a load is applied on the foot. The plantar aponeurosis (arch ligament) extending from the calcaneus to the toes also stretches. The more load is placed on the arch, the more the ligaments stretch. Many movements of the foot and toes are controlled by muscles that start at the lower part of the leg and whose tendons are attached to the foot.
The muscles that start at and attach to the foot itself control the finer movements of the foot. Much of the movement of the foot is provided by muscles at the bottom of the leg via ligaments. The standing, walking and running functions of the foot are made possible by the contraction of such muscles. Many small muscles other than the above create a base at the plantar aspect of the foot, with the location of the muscles between the bones.
As is apparent from the large number of interacting components of a typical human foot structure, the support and positioning of certain components must be concomitantly related to the support and positioning of other foot components to provide interactive comfort. The extreme twisting of the support and positioning of the foot portion complicates the achievement of comfort.
It is known that the functionality of high-heeled women's shoes used today is not healthy or comfortable, but almost exclusively for the purpose of the appearance of the shoe. Appearance considerations are generally inconsistent with proper foot support, especially with foot movement. The situation caused by the wrong degree calculation of almost all popular high-heeled shoes mainly results in a shift of the center of gravity of the person wearing such shoes towards the front of the foot, i.e. towards the metatarsal bones. Thus, walking with such shoes is performed in a deformed and unnatural manner. This can lead to tendo calcaneus deformation, pain in all parts of the body starting from tendon stretching (including headaches), meniscal pain, hip dislocation pain, and can cause the wrist and neck (i.e., the "spine) to assume an" S-shape "such that the curvature of the spine is greater than normal. Wearing such shoes at all times increases the S-shape of the spine, thereby increasing the likelihood that the wearer will encounter herniated discs and cervical disc herniations.
It is often the case that when wrong values of arctangent or wrong values of heel-toe angle are used in high-heeled shoe constructions, the person wearing the high-heeled shoes becomes uncomfortable and often suffers severe pain in the soles of the feet after a short period of time. Even if the angle of the heel is set to a value less than the minimum value, pain is caused in the sole of the foot because the center of gravity is receded from normal and the foot is forced to assume a greater arc than it is expected to assume.
Various strategies of several different styles have been used in the past to provide structurally correct support and increased comfort in high-heeled shoes. However, not so many, if any, of such countermeasures provide any high degree of proper support and comfort without affecting the aesthetic appearance.
Disclosure of Invention
It is therefore an object of the present invention to provide a high-heeled shoe which has minimal or no noticeable appearance change, while allowing the person wearing it (usually a woman), but hereinafter with reference to a woman wearer similarly adapted to men's footwear, to stand and walk in a structurally correct (proper) posture, i.e. to walk as she would walk when wearing a heelless flat shoe.
Another object of the invention is to provide a high-heeled shoe that enables the wearer's body to stand in correct balance with the foot resting on all points.
It is a further object of the present invention to provide a high-heeled shoe that enables the wearer to assume and maintain a structurally suitable straight body posture, with a high degree of comfort not normally obtained with high-heeled shoe arrangements, particularly of the fashion type.
In general, the invention includes high-heeled shoes having heel heights in excess of two inches (5.08cm) and configured with component elements of correct configuration structure angles and lengths relative to one another, wherein foot stress and discomfort are minimized while maintaining the aesthetic appearance thereof.
In accordance with the present invention, a structurally suitable straight body posture and the attendant comfort may be achieved in high-heeled shoes by adjusting the arctan value with substantially precise consistency as described below. This may be made possible simply by adjusting the center of gravity so that it will be on the rear or middle portion of the foot. In other words, a straight body posture can be achieved by bringing the body into a posture suitable for healthy mechanics.
The foot support and its involved components in high-heeled shoe construction necessitate an understanding and definition of the components thereof. The first portion that normally contacts the bottom of the foot is the "insole board". In most footwear, this is the firm portion of the footwear directly beneath the entire rear of the foot. It usually begins at the rear of the shoe (heel portion) and usually extends until the toe portion or until the end of curvature of the bottom of the foot. The insole board typically has another cushioning layer and/or a layer of insole piping on top of it. This binding thickness can and usually does vary continuously.
An "shank" is a support (typically metal such as steel, or it may be made of fiberglass or other sturdy material) that is placed at some point below the insole board to support the shape of the insole board and the weight of the wearer resting on the sole. The bow pad has no fixed placing position; but its curvature needs to match the curvature of the insole board where it is placed below (or sometimes above) the insole board. As used herein, "curvature" is generally the curvature of an "insole board," or any other location in a shoe directly beneath the wearer's foot and beginning at the rear of the foot and extending forward until it reaches a point where it no longer descends (i.e., is substantially flat). In the latter regard, it should be noted that insole panels typically have another cushioning layer and/or a layer of insole piping on top of it. The thickness of the beads can vary constantly and thus influence the curvature parameters. In examples where there is a meaningful thickness and due to the firmness of the cushioning material with the foot resting on a curvature other than the plane of the insole, the curvature as specified herein is the curvature obtained when the wearer places their weight on the shoe, and the shape that remains directly under the wearer's foot after repeated wear of the shoe (after the cushioning layer has stabilized after some initial use, or in the case of a firm cushioning layer that retains its shape when worn for the first time) is the "curvature" as used herein.
When the angle (arctangent value) of the insole board in a high-heeled shoe is adjusted in conformity with the structure, each and every point of the convex and concave portions on the sole of the foot precisely rests on the insole board. The term "insole board" as used herein refers specifically to the portion of the footwear and its curvature because each footwear portion may directly support the wearer's foot, which insole board directly supports and contacts the wearer's foot. It also encompasses the same type of upper structure in a wedge-heel type high-heeled shoe.
The insole panel of a high-heeled shoe generally follows a shape that is similar to an arctangent (k x) function.
To obtain the shape of the function in this structure and how the function exhibits the desired curvature, "equation 1" is initially used to obtain the y-value for a point on the insole board having the desired curvature:
y ═ 5/arctan (10k)). arctan (k · x) … … … … … … … … (equation 1),
where the x-y coordinate planes are superimposed with respect to the lateral position of the insole board of a high-heeled shoe (where the apex is at the initial point of the upward slope of the insole board), the x-coordinate value indicates the length extending from the vertical portion of the coordinate plane to the point where the insole board is located. The value of k is determined empirically and varies as determined according to heel height, with the various values (with extrapolation and variation determined for other heel heights and the operable range of a particular heel height) set forth in table 4 below.
k2The factor (as used in the correction factor explained below) denotes (for the curvature factor) a constant value 300 obtained by experimental studies to determine structurally correct position and maximum comfort according to the invention. The y-coordinate value indicates the length extending from the horizontal portion of the coordinate plane to the point where the insole board is located.
The x and y values given in the equation are each length values, where the y value varies according to the change in x distance along the insole board position.
The desired insole board curvature K, derived from the y value of equation 1, is calculated by using "equation 2".
K=y″/(1+(y′)2)3/2… … … … … … … … … … (equation 2)
Where K denotes a value that changes with respect to the first order differential y (y') and the second order differential y (y ″) given in equation 2.
The form of equation 2 for the K value expressed in terms of the x value and the constant K value is shown as "equation 3," which is used to determine the curvature.
Figure GDA0001645112040000041
The high-heeled shoe configuration (which achieves a structurally suitable body posture and walking, and has an orthopedic inclination and high heel according to the invention) with respect to the heel and platform height of a specific high-heeled shoe comprises the following elements and parameters:
-at least one insole board configured such that a toe angle (β) and an accompanying heel angle (α) of the shoe provide a correct straight body posture, and is sized according to a curvature K (the curvature K being by a size that will be larger than the curvature K)y ═ 5/arctan (10k)). arctan (k.x) is associated with a correction factor of 1/(1+ (x-x) with respect to the actual configuration of the human footj)2/k2) Multiplied by one) and is calculated using the x factor (and accompanying y value) and the heel height, which may be varied as desired, by taking any insole board distance x value from zero to one hundred, to a selected height ranging from about 2 inches to 4.5 inches height difference (possible variation of endpoints up to 10%) between the front of the foot to the heel of the person (and up to 8 inches, with the front platform up to about 31/2 inches to maintain a maximum difference of about 4.5 inches),
-at least one front platform formed to elevate the foot above the ground to a selected height, and
at least one toe cap, which is located at the position where the toe is placed and whose angle can vary by a desired amount between about 7 ° and 26 ° (with a possible 10% deviation).
The above and other objects, features, advantages of the present invention will become more apparent from the following discussion and drawings.
Drawings
FIG. 1 is a side view of a high-heeled shoe depicting modified areas that affect posture and comfort;
FIG. 2 is a side view of the insole board of the high-heeled shoe of FIG. 1, indicating the modified angle and the x-y component of the raised angular gradient of the insole board;
FIG. 3 is a side view of another embodiment of the high-heeled shoe of FIG. 1 with the heel width reduced;
fig. 4 is a graphical representation of the path followed by the function y ═ 5/arctan (10k)). arctan (k x) depending on the change in k in the function y originally used to determine the comfort modification based on the variation of the x, y components of fig. 2;
FIG. 5 is a view of a high-heeled shoe A of different heel heights1、A2、A3、A4、A5、A6Graphical representations of changes in curvature of an insole board (hereinafter heel heights of 2 ", 21/2", 3 ", 31/2", 4 ", and 4.5", respectively) that may utilize different curvatures about the x and y axes at different points of curvature of the insole boardAnd generating;
FIG. 6 is a graphical representation of an insole board and an insole board according to the present invention, the graphical representation providing an x-y tilt angle parameter for a 4 inch heel;
FIG. 7 is a left side view of the high-heeled shoe of the present invention, showing the heel angle (α) and heel support configuration for the shoe having a heel ranging from about 2 inches to 4.5 inches as shown in FIG. 2;
FIGS. 8A and 8B depict the difference in posture of a person's legs when wearing a prior art high-heeled shoe (8A) and a high-heeled shoe of the present invention (8B); and
figure 9 shows an embodiment of a high-heeled shoe of the wedge-type in which the parameters of the invention for a proper sole curvature have been implemented.
Detailed Description
The components shown in the figures are each given the following common component reference numerals:
1. high-heeled shoes
2. As measured from a point at which the insole board that contacts the foot rises and extends to the back or rear of the shoe.
3. A heel serving as part of an insole board and supporting the rear or heel of a wearer
4. A front platform extending forward from a rising point of the insole panel
5. Toe cap as a front part of a shoe
Table 1 provides sole alignment in which the correct "curvature" is achieved and calculated using the following "equation":
k ═ 4/i … … … … … … … … … … … … (equation 4)
Whereby i is 4 divided by K given in equation 2.
Table 1 shows the sole alignment (x value), where the maximum "curvature" is generated using equation 4 as follows:
i 1 2 3 4 5 6 7 8 9 10
x 0.88 1.22 1.47 1.68 1.86 2.02 2.18 2.32 2.46 2.59
i 11 12 13 14 15 16 17 18 19 20
x 2.73 2.86 3.00 3.13 3.27 3.41 3.55 3.68 3.82 3.97
table 1
From these data, it is apparent that k should be minimized in order to achieve alignment where the maximum kink occurs as k is decreased. When the obtained figures are examined, it is apparent that the insole (2) and heel (3) angles increase by an amount greater than expected as the value of k decreases. A factor function is required to shift the flexion alignment backwards without greatly increasing the heel (3) angle.
Examples of the invention
Ten different sole experiments were conducted by calculation, where the heels had different heights ranging from 2 "to 4" (5.08cm to 10.16cm) to obtain a sole or insole board curvature following "Eq.1" and correction factors, where A used in conjunction with the heels of 2 ", 21/2", 3 ", 31/2", 4 ", 4.5" was obtained (or derived)1、A2、A3、A4、A5、A6An ideal form of an insole board. A suitable correction factor for use in conjunction with equation 1 is given below as "equation 5" as calculated using the parameters of the MatLab software program.
1/(1+(x-xj)2/k2),x∈[0,100]… … … … (equation 5)
Wherein A is1、A2、A3、A4、A5、A6Variable of heel size xjGiven in table 4 below, wherein:
xjis a variable used to alter the factorial function in the formula that makes the insole board more suitable for human foot mechanics. And the variable k2Is a variable that has been determined to be 300 that makes the insole board more suitable for human foot mechanics as a result of changing the factor function in the formula.
Using the corrected formula obtained, form A2、A3、A4、A5And A6Insole boards, and such models are experimentally viewed (as direct foot support) and are considered successful in providing structurally correct support and increasing comfort for the wearer.
Table 2 shows A1、A2、A3、A4、A5And A6The insole panels may be produced in high-heeled shoes without a front platform (which have a height in the range of about 2 "to 4.5" and are high-heeled shoes), in appropriate sizes with a height in the range of from about 0 "to 3.5 ″In high-heeled shoes with a front platform (provided that the rise distance between the front of the foot wearing the shoe and the heel is not more than 4.5 ", i.e. for the aforementioned shoe there is a suitable platform ranging from 0" to 3.5 ").
The toe angle (β) and heel angle (α) of the high-heeled shoes (1) shown in the figures are changed relative to the insole board (2) to ensure a straight body posture as the heel angle (α) corresponding to the toe angle (β) of each high-heeled shoe (1) is given in table 2 as can be seen in table 2, heels ranging from 2 inches to about 8 inches preferably have (α) heel angle values ranging from about 5 ° to 26 ° (with a possible deviation of 10%) as shown in fig. 7.
Typically, typical heel portion distances are in the range of 35mm to 50mm from the rear of the shoe, where the heel angle is measured from the rear of the shoe (e.g., a wedge heel shoe), and the distances may be less than in the case of very narrow fine heel shoes. The calculation of the heel angle and its range as made herein is typically determined by a length of between 35mm and 50mm from the rear of the shoe along the foot support.
For has the structure as indicated by A1To A6The distance provided for table 2 below begins at the rear of the shoe and the end of the insole board and extends along the length of the insole board.
Figure GDA0001645112040000071
Table 2
It should be appreciated that the insole board model obtained from the foregoing equation 1 and correction factor (althoughTubes as described as suitable for correct posture and comfort) may deviate by a few degrees from toe (β) and heel (α) angles within the aforementioned range of parameters1Can range from 42.96 DEG to A2In the range of 45.63 deg.. For A2The value is from A142.96 deg. to A349.61 ° (from a)1To A3Value of (d). Similarly, for A3The value is from A245.63 deg. to A4In the range of 51.72 ° and for a4The value is from A349.61 deg. to A5In the range of 56.13 deg.. A. the5Is in the range of A451.72 deg. to A658.43 deg.. A. the6Is from A556.13 deg. to A658.43 deg.. A. the1And A6Are the corresponding minimum and maximum values with possible deviations. The range is similarly extended at various distance points.
In a similar manner, heel angle α may be between similar heel heights a as given in the table for a particular heel height1To A6In the range of A, wherein for A1Is between 5 and 16 for A2Is between 5 ° and 18 ° for a3Is between 12 ° and 20 ° for a4Is between 14 and 22 for A5Is between 16 ° and 26 °, and for a6Is between 18 ° and 26 °, wherein a1And A6Are the corresponding minimum and maximum values (with a possible deviation of up to 10%).
Determined to fall within the range of 2 'to 4.5' and to be different from the specific A1To A6Specific locations for operable ranges of height heel heights and bend angles at bend values, x of Table 4jAnd k is used to provide a close A1To A6Extrapolation of range values between values.
Thus, it is possible to provideBy using formulas for intermediate heel height values, by using A in tables 2 and 31To A6Interpolation of values for a model insole board may effectively apply modeling to many different insole boards. An insole board made at an intermediate heel height is acceptable from a proper stance comfort perspective. Insole boards made at intermediate heel heights can be used in the successful production of shoes and are similarly unaffected by deviations of a few degrees. The median values of the a values are provided in table 3 given below.
Figure GDA0001645112040000081
Table 3
When form A1、A2、A3、A4、A5、A6Variable x given in Table 4 for insole boardjK and k2 are used as described above, where k is a variable function of the MatLab algorithm. K given in this table2Is a variable that is used to vary the factor function in the formula to make the insole board more suitable for foot mechanics and has been empirically determined to be 300.
Figure GDA0001645112040000082
Figure GDA0001645112040000091
Table 4
Referring to the drawings, as shown in fig. 1 and 3, a typical high-heeled shoe 1 includes a toe portion 5, a sole or platform portion 4, which may provide elevated rest for the front of the foot as shown in fig. 1, or may have a minimum thickness as shown in fig. 3. an insole board or direct foot support portion 2 extends from the sole or platform portion 2 and is generally integral with the sole or platform portion 2 and begins at the point of elevation of the insole board 2 of fig. 2. the insole board 2 generally rises as a curved portion toward the rear of the shoe or heel, with portions of the shoe supported by the heel 3 shown in different configurations in fig. 1 and 3. in both the prior art shoe of fig. 8A and the inventive shoe of fig. 8B, the heel angle (α) of the wearer of the shoe 1 shown in fig. 8A and 8B rests on the heel 3 and is supported by the heel 3. the shoe of the invention shown in fig. 2 and 7 has a heel angle (α) at a relatively low level of 5 ° to 26 °, generally substantially lower than the heel angle of the prior art shoe 1, and may have a slight deviation from this heel angle from the heel angle (β) of the elevated heel angle of the shoe, although this may be somewhat more so as to a deviation from the elevated heel angle of the high-up to the comfort of the shoe 1, such as may be in the range of the high-of the.
The curve of the insole board 2 for both the prior art shoe and the shoe of the present invention is defined by an x, y axis coordinate system superimposed on the insole board, with the origin at a point in the insole board 2 where the insole board begins to rise as shown in fig. 2. Each point on the insole board is defined by interrelated x and y parameter values. The curvature of the insole board is determined by a function k as shown in fig. 4, which may be between a finite curvature with a low k value to a highly curved shape with various curvatures that provide different degrees of support and/or comfort/discomfort and proper foot and positioning and posture.
Five insole boards A are made, as shown in the x-y diagram of FIG. 51To A5Corrected according to the invention using equation 1, as using the correction factor of equation 5, for each x, y value of the curve, using a constant value of k2 of 300, and as represented by a different curve. A. the1To A6Insole boards are made for heel heights of 2 ", 21/2", 3 ", 31/2", 4 ", 4.5", respectively. FIG. 6 depicts in detail A with a 4 "heel5The curve of the insole panel.
Fig. 8A and 8B show the position and postural posture of the wearer of a prior art shoe 1' (fig. 8A) and of a shoe 1 of the invention (fig. 8B), in which the correct straight axis a of the prior art shoe wearer exhibits a forward deviation from the correct posture, lack of full support and resulting front toe pressure which causes pain in a typical high-heeled shoe. There is also a lack of support in the arch region 9. In contrast, the shoe 1 in fig. 8B provides full support throughout the arch and the heel is fully supported so that the wearer stands upright along axis a in a more aesthetic and elegant appearance, with the noticeable differences in fashion appearance shown in fig. 8A and 8B being very small.
Fig. 9 shows an embodiment of a high-heeled shoe, known as a wedge-heel shoe, in which a fully supported sole is used in place of a solid insole board as used in other embodiments. The curvature of the sole 2 is substantially the same as the curvature of the embodiment having an insole board.
It is to be understood that the above are merely examples of the present invention and that variations in materials, structures, configurations, etc., such as pressure on an insole or additional cushioning at or near a normal painful site, particularly at a heel, are possible without departing from the scope of the invention as defined by the appended claims.
Drawing translation
FIG. 5
ANGLE WITH angle between POSITIVE X-AXIS and POSITIVE X AXIS
FIG. 6
ANGLE WITH angle between POSITIVE X-AXIS and POSITIVE X AXIS
FIG. 7
HEEL ANGLE heel angle
FROM 2 "(INCH) TO 41/2 (INCH) FROM 2" (inches) TO 41/2 (inches)
FIG. 8A
PRIOR ART is state of the ART.

Claims (10)

1. A high-heeled shoe for a human foot which enables a human to assume and maintain a structurally suitable body posture for standing and walking, and which has an orthopedic inclination, the high-heeled shoe comprising a toe portion and a heel portion separated by and connected with a sole portion, the high-heeled shoe being configured for respective support of the toes, heel and sole of a human foot, wherein a vertical distance between a support of the toes and a support of the heel is between two and four inches, and wherein the sole portion that directly supports the person's sole and heel includes an angular curvature as superimposed on an x-y coordinate system having an origin at a point where the sole portion begins to rise from the base of the toe portion, wherein the angular curvature configuration is determined from x and y values along the sole portion according to the following equation:
y=(5/arctan(10k))·arctan(k·x)
wherein y is a y-coordinate of a point on the sole portion, x is an x-coordinate of the point, and k is an empirical value ranging between 1/4.5 and 1/2.75, wherein the y-value indicates a vertical distance from a plane extending from the base portion of the toe portion, and wherein the y-value is multiplied by the following formula of a footfall correction factor to yield the angular curvature value:
1/(1+(x-xj)2/k2)
wherein x is the x coordinate, k2Is 300, and xjIs a function of the vertical distance between the toe portion and the heel portion, and the vertical distance for a range between 2 inches and 4.5 inches is in a range from 20mm to 60 mm.
2. The high-heeled shoe of claim 1, wherein said sole portion and heel portion are comprised of a continuously curved sole.
3. The high-heeled shoe of claim 2, wherein said toe portion comprises an inclination β that rises from said base portion of toe portion at an angle between 7 ° and 26 °.
4. The high-heeled shoe of claim 2, wherein said heel portion comprises an inclination angle α rising from a base of said heel portion at an angle between 5 ° to 26 ° and selected to provide a substantially straight body posture.
5. The high-heeled shoe of claim 1, wherein said toe portion is raised from a base portion of said high-heeled shoe such that a platform height is up to about 31/2In inches.
6. The high-heeled shoe of claim 1, wherein said toe, sole and heel portions are configured as a solid wedge, wherein an upper portion of said wedge provides direct support to the toes, sole and heel of said human foot.
7. The high-heeled shoe of claim 1, wherein for a high-heeled shoe having a vertical height in the range of from two inches to four inches, in half inch increments, wherein a1Denotes the vertical height 2', A2Is shown in (2)1/2”,A3Denotes 3', A4Is represented by 31/2”,A5Represents 4' and A6Representing 4.5 ", the following table includes angular curvatures at locations as measured from the rear of the high-heeled shoe along the sole portion at the ends of the heel portion, and wherein angular curvatures for vertical heights between the two to four inch and one-half, except for the one-half inch increment, are extrapolated from the table, and wherein at each location, for a1Said angular curvature values range from A1Corresponding angular curvature value is extended to A2A corresponding angular curvature value; for A2The value of said angular curvature being from A1Corresponding angular curvature value is extended to A3A corresponding angular curvature value; for A3The value of said angular curvature being from A2Corresponding angular curvature value is extended to A4A corresponding angular curvature value; for A4The value of said angular curvature being from A3Corresponding angular curvature value is extended to A5A corresponding angular curvature value; for A5The value of said angular curvature being from A4Corresponding angular curvature value is extended to A6A corresponding angular curvature value; and for A6The value of said angular curvature being from A5Corresponding angular curvature value is extended to A6A corresponding angular curvature value;
Figure FDA0002166498410000021
8. the high-heeled shoe of claim 1, wherein the counter is a pair of shoesHigh-heeled shoes having vertical heights in half inch increments ranging from two inches to four inch and half, where A1Denotes the vertical height 2', A2Is shown in (2)1/2”,A3Denotes 3', A4Is represented by 31/2”,A5Represents 4' and A6Representing 4.5 ", the following table includes angular curvatures as measured along the sole portion from the rear of the high-heeled shoe at the ends of the heel portion, and wherein angular curvatures are extrapolated from the table for vertical heights between the two to four inch and one half, except for the one-half inch increment:
Figure FDA0002166498410000031
9. the high-heeled shoe of claim 7, wherein said heel portion includes an inclination angle α rising from a base of said heel portion and an inclination angle β rising from said base of said toe portion, wherein a range of values for α and β for different vertical heights is set forth in the following table:
Figure FDA0002166498410000032
10. a high-heeled shoe for a human foot that enables the human to assume and maintain a structurally suitable body posture for standing and walking, and that has an orthopedic inclination, the high-heeled shoe comprising a toe portion and a heel portion separated by and connected with a sole portion, the high-heeled shoe configured for respective support of the toes, heel and sole of a human foot, wherein the vertical distance between the support of the toes and the support of the heel is between two inches and four inches and half, and wherein the sole portion of a high-heeled shoe that directly supports the human sole and heel has a vertical height in the range from two inches to four inches and half, increasing in half inch increments, wherein a1Denotes the vertical height 2', A2Is shown in (2)1/2”,A3Denotes 3', A4Is represented by 31/2”,A5Represents 4' and A6Is represented by the following general formula 41/2", wherein the following table includes angular curvatures at locations as measured at the ends of the heel portion from the rear of the high-heeled shoe along the sole portion, and wherein angular curvatures for vertical heights between the two to four inches except for the one-half inch increment are extrapolated from the table, and wherein at each location, for a1Said angular curvature values range from A1Corresponding angular curvature value is extended to A2A corresponding angular curvature value; for A2The value of said angular curvature being from A1Corresponding angular curvature value is extended to A3A corresponding angular curvature value; for A3The value of said angular curvature being from A2Corresponding angular curvature value is extended to A4A corresponding angular curvature value; for A4The value of said angular curvature being from A3Corresponding angular curvature value is extended to A5A corresponding angular curvature value; for A5The value of said angular curvature being from A4Corresponding angular curvature value is extended to A6A corresponding angular curvature value; and for A6The value of said angular curvature being from A5Corresponding angular curvature value is extended to A6A corresponding angular curvature value;
Figure FDA0002166498410000041
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