JP2000083703A - Footwear - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide footwear in which at least a part of the sole can be replaced. SOLUTION: A sole part is divided into a replacing part 2 occupying at least a part of the tread surface, and a base part 1, a locking part 3 formed by a star-like projection, and T-shaped projecting locking parts 4, 4 are formed on the base part, a locked part 5 formed by a star-like hole and locked parts 6, 6 formed out of recessed parts are formed on the replacing part 2, and the replacing part is removably attached to the base part by the engagement of the locking part 3 and the locked part 5 and the engagement of the locking part 4 and the locked part 6. Thus, the footwear can be provided with various kinds of heels by preparing many kinds of replacing parts 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to footwear.
At least a portion of the sole relates to interchangeable footwear.

[0002]

2. Description of the Related Art Footwear such as shoes, sandals, sandals and the like has a structure in which the bottom portion serving as a ground contact surface is fixed and cannot be replaced in principle. Exceptionally, there is a heel of leather shoes, which can also be exchanged only by specialists such as shoemakers. For this reason, in the case of ordinary footwear, if the bottom part is worn, even if the upper part is firm, there is no choice but to discard it, and there is much waste. In the case of leather shoes, iron studs have been driven in to prevent heel loss, but there has been a problem that the shoes become slippery.

[0003] In addition, since the conventional footwear has a fixed bottom, it is difficult to walk on snowy roads, for example, with shoes suitable for ordinary urban roads, and it is necessary to separately prepare footwear for snowy roads. .

[0004] In the case of high heels, it is sometimes desirable to change the height of the heel to wear it in order to enjoy the fashion, but since the heel alone cannot be replaced, shoes of each height must be purchased. It had to be economically burdensome.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of such a situation, and an object of the present invention is to provide footwear in which at least a part of the sole can be replaced.

[0006]

In order to achieve the above object, the footwear according to the present invention has a bottom part which is divided into an exchange part occupying at least a part of a ground contact surface and a base part, and is locked to the base part. The replacement portion is formed on the replacement portion, and a locked portion is formed on the replacement portion, and the replacement portion is detachably attached to the base portion by engagement of the locking portion and the locked portion.

Further, one of the locking portion and the locked portion may be a projection, and the other may be a recess engaged with the projection. The shapes of the protrusions and recesses can be freely selected. Further, the protrusion may be formed independently of the replacement portion or the base portion, and may be fixed to the replacement portion or the base portion with an adhesive or a fastener. A nail, screw, pin, or the like can be used as the coupling tool.

The above-mentioned concave portion is a dovetail, and the protrusion is a dovetail, or both the locking portion and the locked portion include a concave portion, and a connecting member is provided between the two concave portions. It is good also as composition which combines. As the coupling member, in addition to a U-shaped member having wedges at both ends, a screw may be used.

A plurality of locking portions are formed on the exchange portion, and a plurality of locked portions which are engaged with the locking portions are formed on the base portion. It is preferable that the locking portions are configured such that the engagement directions of the locking portions and the locked portions of each pair are different.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram showing a first embodiment of footwear according to the present invention, which is an exploded perspective view of the bottom of a leather shoe as viewed from the back, but omits a portion wrapping the foot. As shown in FIG. 1, the footwear of the present invention has a bottom portion including a base portion 1 and an exchange portion 2 corresponding to a heel portion.

[0011] The base 1 is a normal leather sole if it is leather shoes,
It is formed from a rubber material or the like. The base 1 has a star-shaped protrusion 3 in the center on the heel side, and T-shaped protrusions 4 and 4 are provided on both left and right sides of the star. Is provided. These locking parts 3,
The base 4 may be formed integrally with the base 1. Alternatively, the locking part 3 or 4 may be formed separately and adhered to the base 1, or fixed with a fastener such as a screw, a nail or a pin. Good. In particular, it is desirable that the T-shaped engaging portions 4 and 4 have flexibility, so that they are suitable when it is necessary to use a material different from the material of the base portion.

On the other hand, a star-shaped hole into which the locking portion 3 of the star-shaped projection is fitted with almost no gap is formed as a locked portion 5 at the center of the exchange portion 2, and T-shaped locking portions are formed on both sides thereof. A T-shaped recessed locked portion 6 into which the portion enters is provided.

In order to assemble the footwear shown in FIG. 1, the tips of the locking portions 4 and 4 of the T-shaped projection are bent outward, and then the locking portion 3 is inserted into the hole of the locked portion 5 at the center of the replacement portion 2. Insert afterwards,
When the locking portions 4 and 4 are returned to the original state, the locking portions 4 and 4 are fitted to the locked portions 6 and 6, and the replacement portion 2 is attached to the base 1. If various exchange parts having different thicknesses are prepared, the height of the heel can be easily changed according to the length of the pants.

In the above embodiment, the locking portion 3 and the locked portion 5
Is perpendicular to the ground surface of the base 1, and the direction of engagement between the locking portions 4, 4 and the corresponding locked portions 6, 6 is parallel to the surface of the base 1. Direction. That is, by engaging the plurality of types of engaging portions and the engaging portions in different directions, the connection is not easily released, and at the same time, rattling can be eliminated. However, it is also possible to select only one locking portion and one locked portion by selecting an appropriate locking portion and locked portion.

If rattling occurs in the connection between the base portion 1 and the exchange portion 2, it is preferable to apply an adhesive to the contact surface between the base portion 1 and the exchange portion 2 to eliminate the rattling. By using an appropriate adhesive, the replacement part 2 can be easily peeled off from the base part 1, or the adhesive may be dissolved using a solvent and peeled off.

FIG. 2 is a diagram showing a second embodiment of the present invention. The footwear of this embodiment also has the heel portion as the exchange portion 12 and is detachable from the base portion 11, but the shapes of the locking portion and the locked portion are different.

That is, a locking portion 13 made of a dovetail groove and a keyhole-shaped locking portion 14 are formed on the base portion 11, and a dovetailed locked portion 15 and a keyhole-shaped locking portion 15 are formed on the exchange portion 12. A locked portion 16 of the projection is formed. The locked portion 16 is flexible. The ant groove and ant tenon engage in a direction parallel to the ground plane, and the keyhole-shaped projections and holes engage in a direction perpendicular to the ground plane, so make sure that the connection does not come off easily,
The rattling can be eliminated. Also in this embodiment, by changing the thickness of the exchange part 12, it is possible to make footwear of different heights.

FIG. 3 is a diagram of a third embodiment of the present invention. A dovetail locking portion 23 is provided on the heel side of the base portion 21, a partition wall 21a is formed at the end thereof, and a slit-shaped locking portion 24 is formed at the center thereof. The exchange part 22 includes a dovetailed locked part 25 and a slit-shaped locked part 26.

The locked portion 25 is inserted into the locking portion 23 from the rear end of the shoe, and is pushed to a position where it comes into contact with the partition 21a. Then, the distal end of the U-shaped coupling member 27 is pressed into the slit-shaped locking portion 24 and the locked portion 26. Both ends of the coupling member 27 are wedge-shaped so that they do not come off easily when pressed in.
1 and can be connected without shifting in any direction.

The slit-shaped locking portion 24 and the locked portion 26 are not slits but have a concave shape, and various shapes can be adopted as long as the coupling member 27 can be fitted into the concave portion. It becomes possible. Further, the connecting member may be fixed using a nail, a screw, or the like.

FIG. 4 shows a fourth embodiment of the present invention. In this embodiment, the entire bottom surface of the shoe can be replaced. In FIG. 4, a dovetail-shaped locking portion 33 is formed through the base 31 from the heel to the toe, and a locking portion comprising a T-shaped projection is formed on the left and right of the center of the base 1. 34, 34 are erected. T-shaped locking portions 34, 3
4 has flexibility.

The other exchange portion 32 has the same shape as the bottom surface of the shoe, and has a dovetailed locked portion 35 penetrating in the front and rear direction, and locked portions 36, 36 formed of T-shaped concave portions. Due to the engagement between the dovetail and the dovetail, the base portion 31 and the exchange portion 32 are prevented from moving the footwear except in the front-rear direction. When the engagement between the locking portion 34 and the locked portion 36 is added to this, the movement in the front-rear direction is also prevented, so that the replacement portion 32 is fixed to the base portion 31 without shifting in any direction. become.

In this embodiment, since the entire sole of the footwear can be replaced, it can be easily changed to an anti-slip type sole for snowy roads or the like. Of course, it is also possible to change the height of the shoes. In addition, of course, it can also be used for footwear other than shoes, for example, footwear such as beach sandals.

FIG. 5 shows an embodiment of FIG.
FIG. 2 is a view of a state in which is fixed to a base 11, viewed from the rear end side of the footwear. Reference numeral 10 indicates a main body portion of the shoe. FIG. 6 shows a fifth embodiment of the present invention in which two pairs of a dovetail as a locking part 13 and a dovetail as a locked part 15 are formed.
FIG. 7 shows an example in which one locking portion 13 'in the embodiment of FIG. 6 is a dovetail, and a locked portion 15' fitted to this is a dovetail.

[0025]

According to the present invention as described above,
The bottom part of the footwear is divided into an exchange part occupying at least a part of the ground surface and a base part, a locking part is formed on the base part, a locked part is formed on the exchange part, and the locking part is formed. The replacement part can be attached to and detached from the base part by engaging with the locked part, so when the replacement part is worn, when you want to change the height of the heel, or in a place where it is easy to slip on snowy roads etc. The sole of the footwear can be easily replaced with a desired one when used.

If the projection is formed independently of the replacement portion or the base portion and is fixed to the replacement portion or the base portion with an adhesive or a fastener, assembly becomes easy, and various materials and forms are adopted. it can. If the concave portion is an ant groove and the projection is an ant tenon, the connection without rattling can be achieved.

[0027] A plurality of locking portions are formed on the exchange portion, and a plurality of locked portions are formed on the base portion to be engaged with the locking portions. And the department,
With a configuration in which the engagement direction between the locking portion and the locked portion of each pair is different, the connection between the base portion and the exchange portion can be performed reliably and without rattling.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a bottom portion of footwear according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of a bottom portion of the footwear according to a second embodiment of the present invention.

FIG. 3 is an exploded perspective view of a bottom part of footwear according to a third embodiment of the present invention.

FIG. 4 is an exploded perspective view of the bottom of the shoe, according to a fourth embodiment of the present invention.

FIG. 5 is a view of the footwear of FIG. 1 in a state where a replacement portion is engaged with a base portion, as viewed from a rear end.

FIG. 6 is a view of a fifth embodiment of the present invention, showing a state in which an exchange portion is engaged with a base portion, as viewed from a rear end.

FIG. 7 is a view of a sixth embodiment of the present invention, showing a state in which an exchange unit is engaged with a base, viewed from a rear end.

[Explanation of symbols]

1,11,21,31 Base part 2,12,22,32 Exchange part 3,4,13,14,23,24,33,34 Locking part 5,6,15,16,25,26,35, 36 Locked part 27 Coupling member

Claims (6)

[Claims] The bottom part is divided into an exchange part occupying at least a part of the ground plane and a base part, a locking part is formed on the base part, and a locked part is formed on the exchange part. Footwear characterized in that the replacement part is detachable from the base part by engagement of the locking part and the locked part. 2. One of the locking portion and the locked portion is a projection,
2. The footwear according to claim 1, wherein the other is a recess engaged with the projection. 3. The footwear according to claim 2, wherein the protrusion is formed independently of the replacement portion or the base portion, and is fixed to the replacement portion or the base portion by an adhesive or a fastener. 4. The footwear according to claim 2, wherein the recess is an ant groove and the protrusion is an ant tenon. 5. The locking device according to claim 1, wherein both the locking portion and the locked portion include a concave portion, and a connecting member is erected between the concave portions to engage with the concave portion. Footwear. 6. A plurality of locking portions are formed on the exchange portion, and a plurality of locked portions that engage with the locking portions are formed on the base portion, and a plurality of pairs of locking portions and a plurality of locked portions are formed. The footwear according to any one of claims 1 to 3, wherein the footwear comprises a locking portion, and a direction of engagement between each pair of the locking portion and the locked portion is different.