Shoe shape and auxiliary component to be attached to shoe

Abstract

To address the problem that: when shoes are taken off carelessly, the sole or side may end up facing upward and the shoes may fall over; the user must then adjust the shoe orientation before wearing them again; this is cumbersome and places strain on the lower body, especially for elderly individuals.SOLUTION: By maintaining a certain relationship between the center of gravity of the shoe and the cross-sectional shape mainly around the arch area, it is possible to prevent the shoe from toppling over. A similar effect can also be achieved by retrofitting an auxiliary component.SELECTED DRAWING: Figure 2

Description

[0001] The present invention relates to a shoe shape and an auxiliary part attached to the shoe.

[0002] When children take off their shoes, they often leave them with the soles or sides facing upwards, forcing them to correct their posture the next time they put them on. This is especially difficult for elderly people, as correcting their shoes puts strain on their legs and backs. Therefore, shoes that can keep the shoes upright without the soles or sides pointing upwards even when taken off or kicked off in an unexpected situation are needed. Alternatively, shoes that can keep the shoes upright by attaching auxiliary parts to them later can achieve the same function. DISCLOSURE OF THE INVENTION [Problem to be solved by the invention]

[0003] With regular shoes, depending on the position of the center of gravity and the height of the top, shoes can fall over when they are taken off and left scattered. The probability of a shoe falling over is high when the sole or side of the shoe is left facing upwards. The next time you try to put your shoes on, you have to stand them upright, which puts a strain on the legs and hips of the elderly. It would be convenient if shoes could be designed to prevent falling over or if auxiliary parts could be attached to prevent falling over. [Means for solving the problem]

[0004] The shoes and add-on auxiliary parts of the present invention limit the protrusion of the outer part of the instep near the arch and the distance from the center of the instep to the apex. However, as stated in the claims, it is necessary to make the center of gravity of the entire shoe less than half the distance between the sole and the apex. In other words, the center of gravity is positioned close to the sole during the design stage. [Effects of the Invention]

[0005] If you wear these shoes and the add-on auxiliary parts, even if you take them off and scatter them around, you will not fall over and will be able to stand almost upright, so there is no need to adjust them the next time you put them on. BEST MODE FOR CARRYING OUT THE INVENTION [Example]

[0006] Figure 1 shows an explanatory diagram of the center of gravity position, which is a prerequisite for claim 1 of the present invention. We assume that the distance e from the bottom of the center of gravity is half the distance d from the bottom to the top vertex, i.e., less than d / 2. The applicable shape is shown in Figure 2. As shown in the left diagram of Figure 2, the cross-sectional shape EE around the arch, roughly in the center between the toe and heel, has protrusion dimensions c and c' from both end surfaces of the sole on both the outside of the instep and the inside of the arch, which are greater than 0.2 times the sole width a.

[0007] Figure 2 shows the height b of the highest point on the instep side of the shoe in claim 2. By making b 1.5 times or more the width a of the sole, the probability of preventing falls is further increased.

[0008] Figure 3 shows the attachment of the auxiliary part of claim 3. If the shape of the chair does not originally make it difficult to fall, attaching this auxiliary part will make it more difficult to fall. The dimensional relationship of the shape is shown in the cross-sectional view of the arch area in Figure 4, and is the same as in claims 1 and 2. The shape may change depending on the attachment method, but the basic dimensional relationship will be the same. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is a diagram showing the relationship between centers of gravity that is the premise of claim 1 of the present invention. [Figure 2] Dimensional relationship diagram for claim 1. Dimensional relationship diagram around the arch of the foot. [Figure 3] An auxiliary component installation diagram of claim 3. [Figure 4] A diagram showing the relationship between cross-sectional dimensions of the auxiliary parts near the arch of the foot. [Explanation of symbols] 1...shoe body, 2...additional auxiliary parts,

Claims

1. The shoe is characterized in that when the center of gravity is located on the bottom side less than half the distance from the bottom to the top of the shoe, the cross-sectional shape of the arch area at the approximate center between the toe and the heel has a protrusion dimension from both end surfaces of the sole on both the outside of the instep and the inside of the arch that is greater than 0.2 times the width of the sole.

2. 2. A shoe according to claim 1, characterized in that the dimension from the sole to the top of the shoe is greater than 1.5 times the width of the sole around the arch of the foot, approximately centered between the toe and heel.

3. The shape of the auxiliary part to be attached to the shoe is premised on being attached to the vicinity of the arch of the foot at the approximate center between the toe and the heel, and the shape is characterized in that the protruding dimensions from both end surfaces of the sole on both the outside of the instep and the inside of the arch are larger than 0.2 times the width of the sole.

4. In the scope of claim 3, the dimension from the sole to the apex of the auxiliary part's apex portion is greater than 1.5 times the width of the sole around the arch of the foot, approximately in the center between the toe and heel.

Images