KR20170065019A - Outsole with Inclined Groove According To a Foot Joint - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shoe sole, and more particularly, to a shoe sole having an inclined groove according to a foot joint position and a foot skeleton movement. To this end, a first point 150 defined at 10% to 15% points from the rear end 130 relative to the total length of the sole 100 and a second point 150 defined at 85% to 90% points from the rear end 130 A plurality of second-1 slant grooves 220a recessed between the first end 150 and the rear end 130, relative to the fourth point 180; A plurality of second -2 slant grooves 220b recessed between the first point 150 and the fourth point 180; And a plurality of second-third inclined grooves 220c recessed between the fourth point 180 and the front end portion 140. Each of the second-first, second, and second inclined grooves 220c 220a, 220b, 220c have a right shoe sole that is inclined counterclockwise by 1 DEG to 15 DEG with respect to a direction perpendicular to the centerline; And a left shoe sole which is symmetrical to the left shoe sole, and a shoe sole having an inclined groove according to foot skeleton movement.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shoe sole having an inclined groove according to foot joint position and foot skeletal movement,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shoe sole, and more particularly, to a shoe sole having an inclined groove according to a foot joint position and a foot skeleton movement.

In general, shoes are various kinds of shoes such as shoes for leisure such as hiking, running, and tracking depending on the use of shoes, sports shoes such as running shoes and soccer shoes, medical shoes such as jointing shoes, diabetic shoes, and fashion shoes. Such a shoe may be provided with sole of various shapes according to its use, and a representative one of these uses may be slippery. Therefore, the conventional shoe sole has developed in a direction to ease walking while preventing slippage.

In recent years, as the function of shoes has been emphasized, running shoes are easy to jump, but they are not optimized at walking speeds, and walking shoes have the opposite problem. Moreover, as the pedestrians aged, more and more steps are taken, and shoes that satisfy these walking habits have not been developed.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a shoe sole that can be bent naturally like bare feet by forming inclined grooves corresponding to plantar joint positions.

A second object of the present invention is to provide a shoe sole that can be bent naturally like a barefoot in slow walking and fast walking or running breaking.

A third object of the present invention is to provide a shoe sole having an inclined groove corresponding to a position of a plantar joint leading to a correct gait by guiding the inside of the sole to use more naturally when walking.

The above object can be achieved by providing a second point 160 defined at 30% to 40% points from the rear end 130 with respect to the entire length of the sole 100 and a second point 160 defined at 75% to 80% points from the rear end 130 And a plurality of first inclined grooves 210 recessed between a third point 170 defined by the first inclined grooves 210 and the first inclined grooves 210, And a second point angle? B which is inclined in a clockwise direction is formed on the shoe sole having an inclined groove according to the foot-joint movement and the foot-joint position.

In another embodiment, the first point 150 defined from 10% to 15% from the rear end 130 and 85% to 90% from the rear end 130 with respect to the entire length of the sole 100, A plurality of second-1 slant grooves 220a recessed between the first end 150 and the rear end 130, relative to the fourth point 180 defined at the point; A plurality of second -2 oblique grooves 220b recessed between the first point 150 and the fourth point 180; And a plurality of second-third inclined grooves 220c recessed between the fourth point 180 and the front end portion 140. Each of the second-first, second, and second inclined grooves 220c 220a, 220b, 220c have a right shoe sole which is inclined counterclockwise by 1 DEG to 15 DEG with respect to the vertical direction to the center line; And a left shoe sole which is symmetrical to the left shoe sole and a shoe sole having an inclined groove according to the foot skeleton movement are also possible. The 2-1 sloping groove 220a is shaped like a saw tooth to maximize the braking force and prevent slippage. The 2-3 sloping groove 220c maximizes the thrust, Is formed in a sawtooth shape opposite to the inclined groove 220a.

As another example, the first point 150 defined at 10% to 15% point from the rear end 130, the 30% -40% point from the rear end 130, The second point 160 defined between the second point 160 and the third point 170 for a third point 170 defined at 75% to 80% point from the rear end 130, A plurality of first inclined grooves 210 which are recessed in the first direction and are inclined clockwise by 10 to 30 degrees with respect to a direction perpendicular to the center line to form a second point angle? B; A plurality of second-1 slant grooves 220a recessed between the rear end 130 and the first point 150; A plurality of second -2 slant grooves 220b recessed between the first point 150 and the fourth point 180; And a plurality of second-third inclined grooves 220c recessed between the fourth point 180 and the front end portion 140. Each of the second-first, second, and second inclined grooves 220c 220a, 220b, and 220c are inclined counterclockwise by 1 DEG to 15 DEG with respect to a direction perpendicular to the center line. Also, a shoe sole having an inclined groove according to a footstep motion and a foot joint position is also possible.

Here, a plurality of grooves formed between the rear end portion 130 and the second-1 oblique groove 220a and a plurality of grooves formed between the second-third oblique groove 220c and the front end portion 140 are omitted And may be replaced by other shapes. It is preferable that the interval between the 2-2nd inclined grooves 220b is relatively larger than the interval between the 2-1nd inclined grooves 220a and the interval between the 2-3rd angled grooves 220c.

In addition, each of the second-3rd tilted grooves 220c can form a fourth tilted angle? D in the range of 1 ° to 5 °.

At the first point 150, the second -2 inclined groove 220b forms a first point angle? A inclined in the range of 1 占 to 15 占 and a second point? The inclined groove 220b forms a fourth inclined angle? D in the range of 1 to 5 degrees and forms the second inclined groove 220b between the first point 150 and the fourth point 180, It is most preferable to form an angle continuously changing between the first point angle? A and the fourth point angle? D.

A first center groove 270 formed along a center line 190 connecting between the front end 140 and the rear end 130; And a second center groove 260 spaced parallel to the inner side 120 from the first center groove 270.

In addition, it is preferable that a third center groove 300 is further formed between the first center groove 270 and the second center groove 260.

The first center groove 270, the second center groove 260 and the third center groove 300 define a first center groove 270, a third center groove 260 and a third center groove 300, which are defined at 10% to 15% May be formed between the point 150 and the fourth point 180 defined at 85% to 90% point from the rear end 130. [

The arch portion 400 of the shoe sole 100 may further include an arch inclined surface 410 inclined downward from the outer side 100 toward the inner side 120.

And a sixth central groove 280 formed in the direction of a center line 190 connecting between the front end 140 and the rear end 130. The sixth central groove 280 includes a rear end 130, Between the first point 150 and the third point 170 is deflected to the inner side 120 and deflected to the outer side 110 beyond the first point 150 and between the front end 140 and the third point 170, And deflects toward the outer side 110 beyond the third point 170. [0050]

According to an embodiment of the present invention, the inclined grooves corresponding to the foot joint position and the foot skeleton movement can be formed and naturally bend like a bare foot. This allows comfortable walking.

And, the outsole of the present invention can bend smoothly like a barefoot in slow walking and fast walking or running breaking.

In addition, it induces the inner side of the sole to use more naturally when walking, thereby inducing the correct walking habit. Therefore, when middle-aged, elderly, and patients are worn, it is possible to protect joints and muscles by not only walking comfortably but also by correct walking.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further understand the technical idea of the invention. And should not be construed as interpreted.
1 is a plan view of a shoe sole according to a first embodiment of the present invention,
2 is a plan view of a shoe sole according to a second embodiment of the present invention,
3 is a plan view of a shoe sole according to a third embodiment of the present invention,
4 is a plan view of a shoe sole according to a fourth embodiment of the present invention,
5 is a plan view of a shoe sole according to a fifth embodiment of the present invention,
6 is a plan view of a shoe sole according to a sixth embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line AA in FIG. 6,
8 is a sectional view taken along line BB in Fig. 6,
Fig. 9 is an explanatory diagram showing the pressure center locus of the sole during walking (the locus of the center of the floor reaction force)
Fig. 10 is an explanatory view showing the position of the shoe and foot joint when the shoe is put on.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings. While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and are herein described in detail.

It is noted that the terms "comprises" or "having" in this application are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

Also, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A detailed description of embodiments of the present invention will be made with reference to the right shoe sole as shown in the accompanying drawings. However, the left shoe outsole is symmetrical with respect to the right shoe sole. Hereinafter, the configurations of the first to sixth embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be apparent that the shoe soles of only the left shoe are shown and described in the accompanying drawings and detailed description to facilitate the understanding of those skilled in the art, but there is a symmetrical right shoe soles.

The rear end of the shoe sole 100 is referred to as a rear end portion 130 and the front end thereof is referred to as a front end portion 140. In order to facilitate understanding, Respectively. The left and right sides of the sole 100 are referred to as an inner side 120 and an outer side 110, respectively.

Fig. 10 is an explanatory view showing the position of the shoe and foot joint when the shoe is put on. 10, assuming that the total length of the sole 100 from the rear end portion 130 to the front end portion 140 is 100%, the total length of the sole 100 from the rear end portion 130 is assumed to be 100% And specify the interval as follows. For example, a first point 150, designated A, is defined as a 10% to 15% point from the back end 130. Between the rear end 130 and the first point 150 indicates a region contacting the ground at the time of walking.

The second point 160, designated B, is defined at 30% to 40% point from the back end 130. This second point 160 represents the length of the heel (aka Seat length) as shown in Fig.

As shown in FIG. 9, the third point 170, designated C, is defined at 75% to 80% points from the rear end 130. [ This third point 170 corresponds to the fifth toe outer protrusion point as shown in FIG.

The fourth point 180 represented by D is defined at about 85% to 90% from the rear end 130. This fourth point 180 represents the inner protruding point of the first toe as shown in Fig.

Configuration of the first embodiment

Hereinafter, the structure of the first embodiment will be described with reference to the sole 100 and the first, second, third and fourth points (150 to 180) defined as above. 1 is a plan view of a shoe sole according to a first embodiment of the present invention. 1, the first beveled groove 210 is located between the second point 160 and the third point 170 and extends in the clockwise direction by 10 to 30 degrees with respect to the direction perpendicular to the center line Thereby forming a tilted second fulcrum angle [theta] b.

The first inclined grooves 210 are grooves formed from the inner side 120 to the outer side 110 and have a width of 3 mm to 10 mm and a depth of 3 mm to 10 mm. This inclined groove is formed to guide the sole 100 to easily bend along the inclined groove during walking.

These first beveled grooves 210 are spaced evenly or in a uniform manner (e.g., increasingly spaced or gradually narrowed) in the range of five to eight.

The first inclined groove 210 preferably forms a second point angle? B inclined clockwise by 10 to 30 degrees with respect to a direction perpendicular to the center line, preferably 10 to 15 degrees, Is preferably 13 ° to 14 °.

The first inclined grooves 210 of the first embodiment are parallel to or substantially coincident with the arthroscopic line 70 shown in Fig. 10, particularly when walking slowly, such as walking, so that the second, third, fourth and fifth toes 60 There is an effect that the bending of the metatarsal (50) joints naturally coincides with the bending of the sole (100). As a result, pedestrians who walk slowly can walk without fatigue due to the naturalness of not wearing shoes.

Configuration of the second embodiment

2 is a plan view of a shoe sole according to a second embodiment of the present invention. 2, the second inclined groove 220 is located between the rear end portion 130 and the front end portion 140 and includes a second-1 inclined groove 220a, a second -2 inclined groove 220b And a 2nd-3rd inclined groove 220c. The width and depth of the grooves of the second inclined grooves 220 are similar to those of the first inclined grooves 210.

The second-first inclined groove 220a is located between the rear end 130 and the first point 150 and is inclined at a first point angle (inclined counterclockwise by 1 to 15 degrees with respect to the direction perpendicular to the center line ? a). The first point angle? A is preferably 1 to 15 degrees, more preferably 5 to 10 degrees.

These second-1 slant grooves 220a are spaced in an even or constant manner (e.g., increasingly spaced intervals or gradually narrowing intervals) in the range of 2 to 5.

The second-1 slant groove 220a induces a stable contact, and the arch bone (the talus bone) 40, which occurs afterward, induces a stable contact because the first-end point 130 and the first point 150 indicate an area contacting the ground for the first time when walking. And the movement of the first and second joint bones 50 and 60. For example, the 2nd-1st inclined groove 220a allows the walker to walk a normal walk. For reference, the angle between the walking direction and the center line 190 is 0 ° to 15 °.

The second-2 inclined groove 220b is located between the first point 150 and the third point 170 and forms an inclination angle inclined counterclockwise by 1 to 15 degrees with respect to the direction perpendicular to the center line . Since the first point angle? A has a value in the range of 1 占 to 15 占 and the fourth point angle? D has a value in the range of 1 占 to 5 占 the second-2 oblique groove 220b has the first It is preferable to have a value between the branch angle [theta] a and the fourth branching angle [theta] d, or to have an angle continuously changing from the first branching angle [theta] a to the fourth branching angle [theta] d.

The interval of the second-2 slant grooves 220b is wider than the interval of the second-1 slant grooves 220a or the interval of the second-3rd slant grooves 220c.

The second 2-3 slanting groove 220c is located between the fourth point 180 and the front end 140 and is inclined at a fourth point angle d).

The second inclined grooves 220a, 220b and 220c are formed in a natural sole 100 (see FIG. 10), taking into consideration the fact that the first, second toe bone 60 and metatarsal 50 shown in FIG. 10 are mainly used, To cause the bending of the bending portion to occur.

That is, the mechanism of the foot skeleton moving when walking slowly as in the first embodiment (see FIG. 1) differs from the mechanism of the foot skeleton moving fast when walking or jumping as in the second embodiment (see FIG. 2) The first inclined groove 210 and the second inclined groove 220 are designed to be opposite to each other in the clockwise direction and the counterclockwise direction with respect to the direction perpendicular to the center line.

Configuration of Third Embodiment

3 is a plan view of a shoe sole according to a third embodiment of the present invention. As shown in Fig. 3, the third embodiment is a technical idea combining the first embodiment and the second embodiment. In other words, the third embodiment is a shoe sole that can be used for both slow walking and fast walking or running. The configurations of the first inclined grooves 210 and the second inclined grooves 220 are similar to those of the first and second embodiments, and a detailed description thereof will be omitted.

When the first inclined grooves 210 and the second inclined grooves 220 are arranged, the first and second inner points 230, 240, and 250 are arranged on the inner side 120 so as to meet or intersect with each other. . Although only three inner points 230, 240 and 250 are shown in FIG. 3, they may be designed to intersect at more points along the inner side 120.

Configuration of the fourth embodiment

4 is a plan view of a shoe sole according to a fourth embodiment of the present invention. As shown in Fig. 4, the fourth embodiment is a configuration in which the first and second center grooves 270 and 260 are further added to the third embodiment. The first center groove 270 is a groove formed along the center line 190 and the second center line 260 is a groove formed parallel to the inner side 120 by a predetermined distance from the first center line 270.

The first and second center grooves 270 and 260 allow the inner side of the inner and outer joints to be used more flexibly when walking so as to guide the action point of the force toward the inside rather than the outside. This leads to more stable and normal walking.

Although only the first and second center grooves 270 and 260 are illustrated and described in the fourth embodiment, it is also possible to add three or more center grooves according to the design of the user.

Configuration of the fifth embodiment

The fifth embodiment is a modification of the fourth embodiment. Fig. 9 is an explanatory view of the skeleton showing the pressure center locus of the sole during walking (the locus of the center of the floor reaction force), and Fig. 5 is a plan view of the sole of the shoe according to the fifth embodiment of the present invention. 9 and 10, the pressure center locus 10 of the sole during gait starts at the heel bone 30 and is deflected from the arch bone 40 to the outer side 110 and then exits between the big toe and the second toe And a locus 90 of the outgoing sole pressure center point. Therefore, the more comfortable it is with the locus 90 of the pressure center point, the more comfortable walking becomes possible.

5, the sixth central groove 280 is formed along the center line 190 but is deflected to the inner side 120 between the rear end 130 and the first point 150, And is deflected to the outside 110 beyond the first point 150. The sixth central groove 280 is deflected to the inner side 120 between the front end 140 and the third point 170 and to the outer side 110 beyond the third point 170. That is, as shown in FIG. 5, the sixth central groove 280 has a bent shape at an intermediate position of the sole 100. This deflection angle is possible in the range of 1 ° to 15 °.

Configuration of the sixth embodiment

FIG. 6 is a plan view of the shoe soles according to a sixth embodiment of the present invention, FIG. 7 is a sectional view taken along line A-A of FIG. 5, and FIG. 8 is a sectional view taken along line B-B of FIG. As shown in Figs. 6 to 8, the sixth embodiment is an embodiment in which the point of action of the force is further directed inwards by forming a recess between the inclined groove and the center groove based on the fourth embodiment. In Fig. 6, the shaded area indicates a depressed area from the sole 100. Fig.

The third center groove 300 is formed between the first center groove 270 and the second center groove 260 along the longitudinal direction of the sole 100 as in the AA cross section shown in FIG. 7 . Because the third center groove 300 is located on the inner side 120 of the center line 190, the third center groove 300 functions to direct the point of action of force toward the inside.

In addition, a triangular groove having the first, second, and third inner points 230, 240, and 250 as vertexes of the triangle is further formed and extended to the third center groove 300 to form a connected groove. Accordingly, a plurality of triangular grooves are recessed in the inner side 120, while no grooves are formed in the outer side 110 of the center line 190.

8 is a sectional view of the sole 100 with respect to the arch portion 400. As shown in Fig. As shown in FIG. 8, the arch inclined surface 410 is formed only in the arch portion 400. That is, the arch inclined surface 410 forms a downward sloping surface from the outer side 110 toward the inner side 120. As a result, the arch portion 400 comes into contact with the ground at the outer side 110 and falls away from the ground at the inner side 120, so that more deformation can be performed.

In the sixth embodiment, only the arch portion 400 is formed on the outer side 110 of the center line 190, and a plurality of grooves are formed on the inner side 120 so as to use the inner joint more flexibly, To the inner side. This has the effect of correcting or suppressing the worsening gait that gets worse with age.

Although the present invention has been described in connection with the preferred embodiments set forth above, it will be readily appreciated by those skilled in the art that various other modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that all modifications are within the scope of the appended claims.

20: soles,
30: Heel bone,
40: arch bone,
50: first joint bone,
60: second joint bone,
70: 1st arched line,
80: second articular slope line,
90: Movement locus of the sole pressure center point (floor reaction force central point)
100: shoe sole,
110: outside,
120: inner side,
130: rear end portion,
135: The heel
140: front end portion,
150: first point (A),
160: second point (B),
170: third point (C),
180: fourth point (D),
190: center line,
210: first inclined groove,
220a: 2nd-2nd inclined groove,
220b: 2nd -2 sloped groove,
220c: 2nd to 3rd inclined grooves,
230: first inner point,
240: second inner point,
250: third inner point,
260: second center groove,
270: first center groove,
280: sixth center groove,
300: third center groove,
400: Archibu,
410: Arch inclined portion,
θo: joint angle,
[theta] a: first point angle,
[theta] b: second point angle,
θc: third point angle,
[theta] d: fourth point angle,
θe: fifth point angle.

Claims (9)

A first point 150 defined at 10% to 15% points from the rear end 130 relative to the total length of the sole 100 and a fourth point 150 defined at 85% to 90% points from the rear end 130. [ For example,
A plurality of second-1 slant grooves 220a recessed between the rear end 130 and the first point 150;
A plurality of second -2 slant grooves 220b recessed between the first point 150 and the fourth point 180; And
And a plurality of second tilted grooves 220c formed between the fourth point 180 and the front end portion 140,
Each of the 2-1, 2-2, and 2-3 inclined grooves 220a, 220b, and 220c has a right shoe sole inclined counterclockwise by 1 to 15 degrees with respect to a direction perpendicular to the center line; And
And a left shoe sole that is symmetrical with the right shoe sole. The shoe sole according to claim 1, wherein the shoe sole has an inclined groove according to a foot joint position and a foot skeleton movement. The method according to claim 1,
And the interval between the second -2 slant grooves 220b is relatively larger than the interval between the second 2-1 slant grooves 220a and the interval between the 2-3 slant grooves 220c. Shoe soles with inclined grooves according to position and foot skeletal movement. The method according to claim 1,
And each of the second 2-3 sloped grooves 220c forms a fourth point angle? D inclined in a range of 1 ° to 5 °. The footsole according to claim 1, . The method according to claim 1,
At the first point (150), the second -2 oblique groove (220b) forms a first point angle (? A) inclined in the range of 1 ° to 15 °,
At the fourth point 180, the second-2 oblique groove 220b forms a fourth point angle? D inclined in the range of 1 ° to 5 °,
The second -2 inclined groove 220b between the first point 150 and the fourth point 180 is formed at an angle that varies continuously between the first point angle? A and the fourth point angle? Wherein the shoe sole has an inclined groove according to a foot joint position and a foot skeleton movement. The method according to claim 1,
A first center groove 270 formed along a connecting center line 190 between the front end 140 and the rear end 130; And
Further comprising a second center groove (260) spaced from the first center groove (270) in a direction parallel to an inner side (120) of the shoe sole. 6. The method of claim 5,
Wherein a third center groove (300) is further formed between the first center groove (270) and the second center groove (260), wherein the third center groove (300) is formed between the first center groove (270) and the second center groove (260). The method according to claim 6,
The arch portion 400 of the shoe sole 100 further comprises an arch inclined surface 410 inclined downward from the outer side 100 toward the inner side 120. [ Shoe soles with grooves. The method according to claim 1,
And a sixth central groove (280) formed in the direction of a connecting center line (190) between the front end (140) and the rear end (130)
The sixth central groove 280 is deflected inwardly 120 between the rear end 130 and the first point 150 and deflects outwardly 110 beyond the first point 150,
Is deflected to the inside (120) between the front end (140) and the third point (170), and is deflected to the outside (110) beyond the third point (170) Shoe soles with inclined grooves according to movement. The method according to claim 6,
Wherein a triangular-shaped groove having vertexes of triangles is further formed on the first, second and third inner points (230, 240, 250), and the triangular grooves extend to the third central groove (300) Shoe soles with inclined grooves according to joint position and foot skeletal movement.

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