shoes

Abstract

To provide boots and other footwear with a simple structure and easy on and off. [Solution] A shoe 10 in which the rear edge r of the opening 10E moves posteriorly away from a rear vertical line RL that is in contact with the rear surface RN facing posteriorly at the ankle area 10N at the boundary between the lower part 11 and the upper part 12 of the shoe, and the rear vertical line RL is set to a range of J = 30 mm to 160 mm.

Description

Technical Field

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[0001] This invention relates to shoes such as boots.

Background Art

[0002] Generally, shoes such as boots have a lower shoe part into which the foot part including the instep, toe, and heel below the ankle of the lower limb enters, and a tubular upper shoe part into which the leg part above the ankle of the lower limb enters. It has an ankle part located at the boundary between the lower shoe part and the upper shoe part, and has an opening at the upper end of the tubular part forming the upper shoe part.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in shoes such as boots, since the lower leg part above the ankle and even the thigh part enter, the height of the opening of the tubular upper shoe part is high, and when the user puts on and takes off the shoes, the balance may be lost or it may be difficult to put on and take off.

[0005] Some conventional boots have a waterproof fastener provided continuously in the height direction on the side surface of the tubular part forming the upper shoe part, and by opening the waterproof fastener, the height of the opening is reduced to improve the above-mentioned wearability and removability.

[0006] However, boots provided with a waterproof fastener have high member costs, poor production efficiency, heavy weight, problems due to the complexity of the structure, and reduced durability.

[0007] An object of the present invention is to provide a shoe such as a boot with a simple structure and good wearability and removability.

Means for Solving the Problems

[0008] The invention according to claim 1 is a shoe having a sock lower part that accommodates the foot portion including the instep, toes, and heel below the ankle of the lower limb, and a cylindrical shoe upper part that accommodates the thigh portion above the ankle of the lower limb, and having an ankle area located at the boundary between the sock lower part and the shoe upper part, and having an opening at the upper end of the cylindrical part forming the shoe upper, wherein when the sole portion forming the bottom surface of the sock lower part is placed on a horizontal plane, and the front edge portion facing forward and the rear edge portion facing backward of the opening provided on the shoe upper are determined, the distance J that the rear edge portion of the opening separates from the rearward vertical line that extends upward in contact with the rear surface portion facing backward at the ankle area portion at the boundary between the sock lower part and the shoe upper is set to within the range of J = 30 mm to 160 mm.

[0009] The invention according to claim 2 is the invention according to claim 1, further comprising the following modifications: when the height H from the sole of the shoe to the opening is 90 cm or less but greater than 45 cm, J is set to 30 mm to 160 mm, preferably 40 mm to 160 mm; when H is 45 cm or less but greater than 15 cm, J is set to 30 mm to 140 mm, preferably 40 mm to 140 mm; and when H is 15 cm or less, J is set to 30 mm to 120 mm, preferably 40 mm to 120 mm.

[0010] The invention according to claim 3 is further the invention according to claim 1, wherein the distance K that the front edge of the opening of the shoe makes forward from the front vertical line that is in contact with the front part facing forward at the ankle area of ​​the boundary between the lower part of the sock and the upper part of the sock is set to within the range of K = 0 mm to 60 mm.

[0011] The invention according to claim 4 is the invention according to claim 3, further characterized in that the circumference C of the opening is set within the range of C = 220 mm to 780 mm.

[0012] The invention according to claim 5 is the invention according to claim 1 or 3, further comprising a tightening portion at the opening of the upper part of the shoe, which allows the circumference of the opening to be reduced when the thigh of the lower limb is inside the upper part of the shoe.

[0013] The invention according to claim 6 is an invention according to claim 1 or 3, wherein a shoe body in which the ankle-side portion of the upper part of the shoe and the lower part of the shoe are integrally molded is joined to an opening-forming portion of the upper part of the shoe that has the opening, and the opening-forming portion is formed to be more flexible than the shoe body.

[0014] The invention according to claim 7 is the invention according to any one of claims 1 to 3, wherein the shoes are boots.

[0015] The invention according to claim 8 is the invention according to claim 5, wherein the shoes are boots.

[0016] The invention according to claim 9 is the invention according to claim 6, wherein the shoes are boots. [Effects of the Invention]

[0017] (Claims 1 and 2) (a) The distance J formed by the rear edge of the opening of the shoe and the rear vertical line extending upward from the rear surface facing backward at the ankle area at the boundary between the lower and upper parts of the shoe was set to within the range of J = 30 mm to 160 mm. In other words, by extending the rear edge of the opening of the shoe relatively far to within the range of J described above, the opening for users who normally put their feet in the shoe from the rear is widened to the rear, making it easier to put on and take off the shoe and improving ease of putting on and taking off. Even if the user is elderly or otherwise, they are less likely to lose their balance when putting on or taking off the device. Furthermore, it becomes easier to put on and take off even when both hands are occupied.

[0018] (b) By simply extending the trailing edge of the opening upwards, the ease of putting on and taking off can be improved. Since no members such as waterproof fasteners are used, the structure is simplified. As a result, the production cost and production efficiency can be improved, the weight is not increased, and the durability can also be improved.

[0019] (Claims 3, 4) (c) With respect to the front vertical line that extends upward in contact with the front face portion facing forward at the ankle surrounding portion at the boundary between the lower part of the shoe and the upper part of the shoe, the distance K formed by the front edge of the opening being spaced apart forward is set within the range of K = 0 mm to 60 mm. That is, while expanding the opening as in (a) above, by not expanding the front edge of the opening greatly forward so as to be within the above range of K, the wearing comfort of the user can be improved. That is, when the user wearing the shoe walks, the front of the user's leg hits the front edge of the shoe, and the shoe also tilts forward without lagging behind the forward tilt of the leg accompanying walking, making it difficult for the bottom surface of the heel of the foot and the midsole of the shoe to separate. In other words, when the user walks, the shoe adheres to the foot, making it easy to walk, difficult to take off, and not easily fatigued.

[0020] (Claim 5) (d) The upper part of the shoe at the opening is provided with a constriction part that can reduce the circumference of the opening in a state where the leg of the lower limb enters the upper part of the shoe. The circumference of the opening expanded as described above can be reduced by the constriction part when the user wears the shoe, preventing foreign matter from entering the opening from the outside.

[0021] (Claim 6) (e) The shoe body and the opening forming part are joined, and the opening forming part is formed to be more flexible than the shoe body, enabling the user wearing the shoe to tilt the leg greatly forward and making it easier to bend down.

[0022] (Claims 7, 8, 9) (f) The above (a) to (e) can be realized in boots. In boots with a high opening height, the difficulty of putting on due to the height can be avoided, without losing balance or using both hands, etc., and the ease of putting on and taking off can be improved.

Brief Description of the Drawings

[0023] [Figure 1] FIG. 1 is an explanatory view showing boots according to an embodiment of the present invention, (A) is an explanatory view showing a side view and a plan view of thigh boots, (B) is an explanatory view showing a side view and a plan view of mid-calf boots, and (C) is an explanatory view showing a side view and a plan view of ankle boots. [Figure 2] FIG. 2 is an explanatory view showing a state of wearing the boots shown in FIG. 1 by a user, (A) is an explanatory view showing a state of wearing thigh boots, (B) is an explanatory view showing a state of wearing mid-calf boots, and (C) is an explanatory view showing a state of wearing ankle boots. [Figure 3] FIG. 3 is an explanatory view showing a state in which the boots shown in FIG. 1 are provided with a constricted portion, (A) is an explanatory view showing thigh boots, (B) is an explanatory view showing mid-calf boots, and (C) is an explanatory view showing ankle boots. [Figure 4] FIG. 4 is an explanatory view showing a state of wearing the boots shown in FIG. 3 by a user, (A) is an explanatory view showing a state of wearing thigh boots, (B) is an explanatory view showing a state of wearing mid-calf boots, and (C) is an explanatory view showing a state of wearing ankle boots. [Figure 5] FIG. 5 is an explanatory view showing a state of inserting a foot into the boots shown in FIG. 1. [Figure 6] FIG. 6 is an explanatory view showing a state of the boots shown in FIG. 1 with feet attached, (A) is an explanatory view of the present invention example, and (B) is an explanatory view of a comparative example. [Figure 7] FIG. 7 is an explanatory view showing a ventilation state of the boots shown in FIG. 1. [Figure 8] FIG. 8 is an explanatory view showing a state of ease of bending of the boots shown in FIG. 1.

MODE FOR CARRYING OUT THE INVENTION

[0024] FIG. ① is an explanatory view showing, for thigh boots 10, mid-calf boots 20, and ankle boots 30 as the present embodiment to which the boots according to the present invention are applied, their side views and plan views arranged vertically side by side.

[0025] Note: In the translation, for the tag

[0023] etc., it is directly retained as it is because it is required to preserve all 7 - digit tags exactly. And for the text "図 ①", it seems there is a mistake in the original text which should probably be "図 1", and the translation is adjusted accordingly. If this is not what you intended, please provide more context or clarify the requirements.Each of the boots 10, 20, and 30 has, as shown in Figure 2, a sock lower section 11, 21, and 31 into which the foot 101 of the wearer's lower limb 100, including the instep 101A, toes 101B, and heel 101C below the ankle 100N, and a cylindrical sock upper section 12, 22, and 32 into which the thigh 102 (lower leg 102A, upper thigh 102B) above the ankle 100N of the lower limb 100 is inserted.

[0026] Each of the boots 10, 20, and 30, as shown in Figure 1, has ankle sections 10N, 20N, and 30N located at the boundary between the lower sock sections 11, 21, and 31 and the upper sock sections 12, 22, and 32, respectively, and an opening 10E, 20E, and 30E at the upper end of the cylindrical sections 13, 23, and 33 that form the upper sock sections 12, 22, and 32. The bottom surfaces of the lower sock sections 11, 21, and 31 in each of the boots 10, 20, and 30 are sole sections 10S, 20S, and 30S.

[0027] Furthermore, each of the boots 10, 20, and 30 is classified into large, medium, and small based on the height H from the sole 10S, 20S, and 30S to the opening 10E, 20E, and 30E. In this embodiment, for example, boots with H of 90 cm or less and over 45 cm are classified as large boots 10, boots with H of 45 cm or less and over 15 cm are classified as medium boots 20, and boots with H of 15 cm or less are classified as small boots 30.

[0028] Furthermore, in each of the boots 10, 20, and 30, the horizontal length N of the ankle area 10N, 20N, and 30N, as viewed from the side, is common to all boots 10, 20, and 30, ranging from N = 80 mm (minimum value) to 170 mm (maximum value).

[0029] In this embodiment, in each boot 10, 20, and 30, with the sole portions 10S, 20S, and 30S forming the bottom surfaces of the lower sock portions 11, 21, and 31 placed on a horizontal plane, the front edge portion f facing forward (the direction in which the wearer's gaze is directed when their foot is in each boot 10, 20, and 30) and the rear edge portion r facing backward were defined.

[0030] Furthermore, for each boot 10, 20, and 30, the distance J formed by the rear edge r of the opening 10E, 20E, and 30E in a side view of the boot 10, 20, and 30, relative to the rear vertical line RL that extends upward from the rear surface RN facing backward at the ankle area 10N, 20N, and 30N that is the boundary between the lower part 11, 21, and 31 of the boot and the upper part 12, 22, and 32, was set to be within the range of J = 30 mm (minimum value) to 160 mm (maximum value).

[0031] The specific values ​​of J mentioned above are as follows: In the large boots 10, for example, J is set to 30 mm to 160 mm, preferably 40 mm to 160 mm. For the mid-calf boots 20, for example, J is set to 30 mm to 140 mm, preferably 40 mm to 140 mm. For the short boots 30, for example, J is set to 30 mm to 120 mm, preferably 40 mm to 120 mm.

[0032] Therefore, each of the boots 10, 20, and 30 produces the following effects. (a) The distance J formed by the rearward separation of the rear edge portions r of the openings 10E, 20E, and 30E from the rear vertical line RL that extends upward in contact with the rear surface portion RN facing backward at the ankle area 10N, 20N, and 30N at the boundary between the lower sock portions 11, 21, and 31 and the upper sock portions 12, 22, and 32 is set to within the range of J = 30 mm to 160 mm. That is, by extending the rear edge portions r of the openings 10E, 20E, and 30E relatively far to the rear within the range of J described above, the openings 10E, 20E, and 30E for users who normally put their feet into the shoe from the rear, as shown in Figure 5, are widened to the rear, making it easier to put on and take off the shoe and improving ease of putting on and taking off.

[0033] Even if the user is elderly or otherwise, they are less likely to lose their balance when putting on or taking off the device. Furthermore, it becomes easier to put on and take off even when both hands are occupied.

[0034] (b) By simply extending the rear edge r of the opening of the 10E, 20E, and 30E sizes to the rear, the ease of putting on and taking off the shoes can be improved, and since no waterproof zippers or other components are used, the structure becomes simpler. This improves production costs and efficiency, does not increase weight, and improves durability.

[0035] Furthermore, for each boot 10, 20, and 30, the distance K that the front edge f of the opening 10E, 20E, and 30E makes forward from the front vertical line FL that extends upward from the ankle area 10N, 20N, and 30N facing forward at the boundary between the lower part 11, 21, and 31 of the boot and the upper part 12, 22, and 32 of the boot is set to within the range of K = 0 mm (minimum value) to 60 mm (maximum value).

[0036] The specific values ​​of K mentioned above are as follows: In this embodiment, for any of the large boots 10, medium boots 20, and small boots 30, for example, K is set to 0 mm to 60 mm, preferably 20 mm to 40 mm.

[0037] Furthermore, the circumference C of the opening 10E, 20E, and 30E of each pair of boots (see Figures 1(A), (B), and (C)) was set within the range of C = 220 mm (minimum value) to 780 mm (maximum value).

[0038] Therefore, each of the boots 10, 20, and 30 produces the following effects. (c) The distance K formed by the front edges f of the openings 10E, 20E, and 30E moving forward from the ankle area 10N, 20N, and 30N, which are the ankle area 10N, 20N, and 30N at the boundary between the lower sock parts 11, 21, and 31 and the upper sock parts 12, 22, and 32, with respect to the front vertical line FL that extends upward in contact with the front part FN facing forward, was set to a range of K = 0 mm to 60 mm. That is, by expanding the openings 10E, 20E, and 30E relatively far to the rear as described in (a) above, while not expanding the front edges f of the openings 10E, 20E, and 30E far forward so that they are within the range of K described above, the wearer's comfort can be improved. In other words, when a user wearing the shoes walks, the front of the user's thigh 102 comes into contact with the front edge f of the shoe (part ☆1 in Figure 6(A)), as shown in Figure 6(A). The shoe tilts forward without lagging behind the forward tilt of the thigh 102 during walking, making it difficult for the bottom of the heel of the foot to separate from the insole of the shoe (part ☆2 in Figure 6(A)). In other words, because the shoes stay with the user's feet when they walk, it is easier to walk, less likely to come off, and less tiring.

[0039] In contrast, as shown in Figure 6(B), if the openings 10E, 20E, and 30E of each boot 10, 20, and 30 are extended further forward than K as described above, when the user walks, even if the user's thigh 102 leans forward, the front of the thigh 102 does not easily come into contact with the front edge f of the shoe. When the front of the thigh 102 does come into contact with the front edge f of the shoe (part ☆3 in Figure 6(B)), the bottom of the heel of the foot separates from the insole of the shoe (part ☆4 in Figure 6(B)). In other words, when the user walks, the shoe does not stay with the foot, making it difficult to walk, easy to slip off, and tiring.

[0040] In each of the boots 10, 20, and 30, by moderately expanding the openings 10E, 20E, and 30E both posteriorly and posteriorly, the opening area of ​​the openings 10E, 20E, and 30E is moderately enlarged in both directions, and as shown in Figure 7, the ventilation of the internal space of the shoe from the outside can be improved.

[0041] In the large boots 10X, medium boots 20X, and small boots 30X shown in Figures 3 and 4, parts that are substantially the same as those of the boots 10, 20, and 30 described above are denoted by the same reference numerals and their descriptions are omitted. The substantial difference between these large boots 10X, medium boots 20X, and small boots 30X and the boots 10, medium boots 20, and small boots 30 is that the openings 10E, 20E, and 30E of the upper parts 12, 22, and 32 of these boots are equipped with a tightening portion 40 that allows the circumference C of the opening 10E, 20E, and 30E to be reduced (tightened) when the thigh portion 102 (lower leg portion 102A, upper thigh portion 102B) of the wearer's lower limb 100 is inside the upper part 12, 22, and 32 of the boot.

[0042] The tightening section 40 can employ a structure in which a string 41 is passed through a string hole provided along the entire circumference of the opening edge of the openings 10E, 20E, and 30E, and the string 41, which is pulled out from a string hole opened outward from, for example, the outward-facing side of the openings 10E, 20E, and 30E, is secured with a fastener 42. By pulling out the string 41 to an appropriate length and fixing the length of the pulled-out string 41 with the fastener 42, the openings 10E, 20E, and 30E can be tightened. The string holes may also be opened outward from the outward-facing front or rear side of the openings 10E, 20E, and 30E.

[0043] The openings 10E, 20E, and 30E, where the constricted portion 40 is provided, are preferably formed from a flexible material. It is preferable that the openings 10E, 20E, and 30E are formed by a flexible opening forming portion 60, which will be described later.

[0044] The boots 10X, 20X, and 30X equipped with the constricted portion 40 provide the following effects. (d) The openings 10E, 20E, and 30E of the upper parts 12, 22, and 32 of the shoe are provided with a constricting portion 40 that allows the circumference C of the opening 10E, 20E, and 30E to be reduced when the thigh portion 102 (lower leg portion 102A, upper thigh portion 102B) of the lower limb 100 is inserted into the upper parts 12, 22, and 32 of the shoe. When the user puts on the shoe, the constricting portion 40 can reduce the circumference C of the expanded opening 10E, 20E, and 30E as described above, and prevents foreign objects from entering the opening 10E, 20E, and 30E from the outside.

[0045] The difference between the large boots 10Y (the same applies to the medium boots 20Y and small boots 30Y) shown in Figure 8 and the aforementioned boots 10 (20, 30) is that the shoe body 50, which is formed by integrally molding the part of the upper part 12 near the ankle area 10N and the lower part 11 of the shoe, and the opening forming part 60, which has the opening 10E of the upper part 12, are joined at a joint 70, and the opening forming part 60 is formed more flexibly than the shoe body 50 by using a more flexible material.

[0046] For example, the rubber boot 10Y may have a shoe body 50 made of PVC, natural rubber, synthetic rubber, TPE, TPR, PU, ​​EVA, POE, etc., and the opening 60 may be made of soft PVC, PU, ​​nylon, EVA, TPE or other chemical fibers (regenerated fibers, semi-synthetic fibers, inorganic fibers), natural fibers such as cotton, or rubber, etc.

[0047] The method of joining the shoe body 50 and the opening forming part 60 can be sewing, heat pressing, adhesive bonding, waterproof tape bonding, etc.

[0048] According to the 10Y boots, they produce the following effects: (e) The shoe body 50 and the opening forming part 60 are joined together, and the opening forming part 60 is formed to be more flexible than the shoe body 50, so that the user wearing the shoe can lean their thigh 102 (lower leg 102A, upper thigh 102B) forward more and bend down more easily.

[0049] When the shoe according to this invention is applied to boots, it produces the following effects. (f) The above (a) to (e) can be realized in boots 10, 20, and 30. In boots 10, 20, and 30 with a high opening height H of 10E, 20E, and 30E, the difficulty in putting them on due to that height H can be avoided, and the ease of putting them on and taking them off can be improved without losing balance or using both hands.

[0050] Furthermore, the shoes according to this invention are not limited to rubber boots, but can be widely applied to safety shoes, athletic shoes, work shoes, leather shoes, children's shoes, nursing shoes, mountaineering boots, hiking shoes, winter shoes, indoor shoes, vulcanized shoes, walking shoes, garden shoes, garden boots, etc.

[0051] Although embodiments of the present invention have been described in detail with reference to the drawings above, the specific configuration of the present invention is not limited to these embodiments, and any design changes, etc., that do not depart from the gist of the present invention are also included. [Industrial applicability]

[0052] According to this invention, it is possible to provide boots and other footwear with a simple structure that is easy to put on and take off. [Explanation of Symbols]

[0053] 10, 20, 30, 10X, 20X, 30X, 10Y, 20Y, 30Y Shoes (Rain Boots) 10N, 20N, 30N Ankle area 10E, 20E, 30E opening 10S, 20S, 30S shoe sole 11, 21, 31 Socks 12, 22, 32 upper part of shoe 13, 23, 33 Cylindrical part 40 Aperture section 50 Shoe body 60 Opening section 70 Joint 100 Lower limbs 100N Ankle 101 Foot 101A A 101B Toe 101C heel 102 Thigh 102A Lower leg 102B Thigh f leading edge r Trailing edge RN rear part RL Rear plumb line J distance FN front part FL front vertical line K distance C Perimeter

Claims

1. It has a sock-like lower part that accommodates the foot, including the instep, toes, and heel of the lower limb from the ankle down, and a tubular upper part that accommodates the thigh of the lower limb from the ankle up. A shoe comprising an ankle area located at the boundary between the lower part of the sock and the upper part of the shoe, and having an opening at the upper end of the cylindrical part forming the upper part of the shoe, When the sole portion forming the bottom surface of the lower part of the sock is placed on a horizontal plane, and the front edge portion facing forward and the rear edge portion facing backward are determined on the upper part of the sock, A shoe in which the rear edge of the opening separates from a rear vertical line that extends upward and is in contact with the rear surface facing backward at the ankle area of ​​the boundary between the lower and upper parts of the sock, and the rear edge of the opening is set to a distance J of 30 mm to 160 mm.

2. If the height H from the sole of the shoe to the opening is 90 cm or less and more than 45 cm, then J shall be 30 mm to 160 mm, preferably 40 mm to 160 mm. If H is 45 cm or less and greater than 15 cm, then J shall be 30 mm to 140 mm, preferably 40 mm to 140 mm. The shoe according to claim 1, wherein if H is 15 cm or less, J is 30 mm to 120 mm, preferably 40 mm to 120 mm.

3. The shoe according to claim 1, wherein the distance K formed by the front edge of the opening of the shoe with respect to a front vertical line extending upward in contact with the front part facing forward at the ankle area of ​​the boundary between the lower part of the sock and the upper part of the sock is set to a range of K = 0 mm to 60 mm.

4. The shoe according to claim 3, wherein the circumference C of the opening is set within the range of C = 220 mm to 780 mm.

5. The shoe according to any one of claims 1 to 3, wherein the opening of the upper part of the shoe is provided with a tightening portion that allows the circumference of the opening to be reduced when the thigh of the lower limb is inside the upper part of the shoe.

6. The shoe body, in which the ankle-area portion of the upper part of the shoe and the lower part of the shoe are integrally molded, and the opening-forming portion of the upper part of the shoe, which includes the opening, are joined together. The shoe according to any one of claims 1 to 3, wherein the opening portion is formed to be more flexible than the shoe body.

7. The shoe according to any one of claims 1 to 3, wherein the shoe is a rubber boot.

8. The shoe according to claim 5, wherein the shoe is a rubber boot.

9. The shoe according to claim 6, wherein the shoe is a rubber boot.

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