JP7417770B2 - beach sandal strap clasp - Google Patents

Description

We provide flip-flops that can be used like shoes while taking advantage of the elements of flip-flops.It is attached to flip-flops to prevent the tops of the feet and heels from floating and falling off.

When I walk around wearing flip-flops, I hear footsteps and feel uneasy.
If you wear flip-flops and go into the water, they will come off.
Because the heel is unstable, it is easy to get tired.
One way to improve this is to bring the flip-flops into close contact with your feet.

Utility model registration No. 3209133

When walking while wearing flip-flops, the heel repeatedly separates from and lands on the flip-flop, making the footing unstable.
Because the adhesion between the flip-flops and the feet is insufficient, they tend to come off easily.
Running while wearing flip-flops is even more dangerous as they make it harder for your feet to land on your feet, making them easier to slip off and causing you to fall.
Flip-flops, which are often used near the water, tend to float and fall off when you enter a river or ocean.

A strap fastener comprising a sole pad that is applied to the sole of a beach sandal from the back side, and a strap that is connected to the sole pad and is wrapped around the ankle and fixed, the strap being passed through the inside of the thong. A strap clasp for flip-flops that wraps around the ankle and secures it.

When you want to keep your feet in close contact with the flip-flops, when using the strap or belt, it is difficult to attach flip-flops with decorative thongs to your feet if they are connected in a single loop.
When using a strap or belt to keep your feet in close contact with the flip-flops, if they are connected in a loop, you will have to insert your feet into the loop, making sure to place them in the correct position. This requires some modification.

Strap clasp left foot surface front view Strap clasp for right foot surface front view Strap clasp for left foot Rear surface front view Back bottom view with strap clasp attached Front view with strap clasp attached Surface view with strap clasp attached Side view with strap clasp attached to right foot Top view with strap clasp attached to right foot Back bottom view with strap fastener attached to right foot Strap clasp with thick sole at the rear Front view of the back Front view of the strap clasp on the common surface of the left and right shoe sole pads Bottom view of the back side with the left and right strap clasps attached Front view of a strap clasp with the left and right shoe soles made smaller and the connection part longer. Front view of a strap clasp with a smaller sole pad that is common to both left and right shoes, a longer connecting part, and a thicker strap at the rear. Front view of a strap clasp with a smaller sole pad that is common to both left and right shoes, a longer connecting part, and a thicker center part. Bottom view of the back side with the strap clasp attached, with the left and right shoe sole pads made smaller and the connection part longer. Bottom view of the back side with the strap clasp attached to the right foot with the common left and right sole pads made smaller and the connection part longer. Diagram of a strap fastener that connects the sole pad and flat rubber tape in a straight line Arrangement diagram of how to attach the strap fastener and wrap the flat rubber tape Illustration of bundled flip-flops with strap fasteners attached

We will explain an example of a shoe sole pad that can be attached to beach sandals.
It is attached to the center of the bottom of the back of flip-flops, where the arch of the foot hits.

Figure 1 is a front view of the left foot surface of the partial strap closure that attaches to the center of the bottom of the flip-flop when wearing a flip-flop.
The sole pad 1 has a certain degree of strength even if it is on the sole, is thin as a whole, has a rectangular plate shape, has a thickness of around 5 mm, and is made of a light and soft material.The material includes sponge and rubber sole. , natural rubber, EVA resin, plastic, synthetic resin, synthetic rubber, urethane rubber, leather, polyurethane, silicone, etc.
The width of the sole pad thumb side 4 on both sides of the sole pad 1 is around 2 cm, and the width of the sole pad little finger side 5 is around 3 cm. is narrow, and the width becomes wider toward the little finger side 5 where the sole rests.
Since the widths of both sides are different, the front part 2 of the sole part 1 has a smooth curve, and the rear part 3 of the sole part 1 has a nearly straight line.
The strap connected to the sole pad 1 and fixed around the ankle is made of elastic rubber (for example, flat rubber) or fabric. In this example, the outer flat rubber tape 6 and the inner flat rubber tape 7 are It is a soft material that has elasticity and elasticity and is shaped like a band.
The outer surface of the hook-and-loop fastener 8 and the inner surface of the hook-and-loop fastener 9 can be attached and detached using the hook-like raised hook-like outer surface 8 and the loop-like raised inner surface 9 of the hook-and-loop fastener.

The flat rubber little finger side front 10 and the flat rubber little finger side rear 12 are made of a stretchable material, and the flat rubber little finger side front 10 is the connecting part 14A of the sole padding little finger side 5 and the tip of the flat rubber tape outside 6. It is connected to 15B.
The flat rubber little finger side rear 12 connects the connection part 16C on the little finger side 5 of the sole pad and the connection part 17D at the tip of the flat rubber tape outer side 6.
The front 10 of the flat rubber little finger side and the rear 12 of the flat rubber little finger side are softer than the outside 6 of the flat rubber tape, and may have less elasticity.
The flat rubber little finger side front 10 is longer than the flat rubber little finger side rear 12.
The connecting portions 14A, 15B, 16C, and 17D can be attached by sewing, adhesive, or the like.

The flat rubber thumb side front 11 and the flat rubber thumb side rear 13 are made of a stretchable material, and the flat rubber thumb side front 11 is the connection between the connection part 18E of the sole padding thumb side 4 and the tip of the flat rubber tape inner side 7. It is connected to the 19th floor.
The rear flat rubber thumb side 13 connects the connection part 20G on the thumb side 4 of the sole pad and the connection part 21H at the tip of the inner side 7 of the flat rubber tape.
The front 11 on the thumb side of the flat rubber and the rear 13 on the thumb side of the flat rubber are softer than the inner side 7 of the flat rubber tape, and may have less elasticity.
The front 11 on the thumb side of the flat rubber is longer than the rear 13 on the thumb side of the flat rubber.
The connecting portions 18E, 19F, 20G, and 21H can be attached by sewing, adhesive, or the like.

Figure 2 is a front view of the strap clasp for the right foot.
Since the sole pad 1 is made of a soft material, the sole pad thumb side 4 and the sole pad little finger side 5 can be bent along the sides from the bottom of the flip-flop.
Figure 3 is a back front view of the strap clasp for the left foot.
As shown in FIG. 3, the connection parts 14A and 18E, 16C and 20G may be directly connected to the sole pad 1 and connected to the flat rubber tapes 6 and 7.
Figure 4 is a bottom view of the back side of a flip-flop with a strap fastener, which consists of a sole pad 1 that is applied from the back side to the sole of the flip-flop, and a strap that is connected to the sole pad 1 and wrapped around the ankle.
Figure 4-1 shows the bottom of the sole of the left foot, and Figure 4-2 shows the bottom of the right foot, an example of use with the strap clasp attached.

Due to the construction of flip-flops, in which the front strap 24 that fastens the strap of the flip-flop is held between the big toe and the index finger, the front strap 24 is closer to the thumb side than the center of the vertical width of the flip-flop sandal, so the sole pad 1 is The shoe sole resting little toe side 5, which supports four toes, is wider than the sole resting big toe side 4, which supports one big toe.
The rear sole pad 3 of the sole pad 1 connects the sole pad thumb side 4 and the sole pad little finger side from the front of the little finger side horizontal strap 25 that fastens the thong at the bottom of the back of the flip-flop to the front of the thumb side horizontal strap 26. Cross both sides of 5.

Figure 5-1 is a front view of the right foot with the strap fastener attached to the flip-flop.
Figure 5-2 is a front view of the left foot with the strap fastener attached to the flip-flop.
A flat rubber tape inner side 7 is passed inside the thumb side thong 23 and a flat rubber tape outer side 6 is passed inside the little finger side thong 22 to prevent the sole pad 1 from coming off.

Figure 6-1 is a surface view of the left foot with the strap fastener attached to the flip-flop.
Figure 6-2 is a surface view of the right foot with the strap fastener attached to the flip-flop.
Figure 7 is a diagram of the right foot actually wearing flip-flops and attaching the strap clasp, and the sole pad 1 is placed across the back of the flip-flop as shown in Figure 4-2, and the little finger side is attached as shown in Figure 5-1. Thread the flat rubber tapes 6 and 7 of the flat rubber tape outer side 6 and the flat rubber tape inner side 7 on the inside of the thong 22 and the thumb side thong 23, pull them backwards and cross them at the instep of the foot, press the foot against the flip-flop, and press the sole pad 1 and the foot. Place your feet close to the flip-flops by sandwiching them between them.

Keeping your feet in close contact with the flip-flops, pull the flat rubber tapes 6 and 7 further back and wrap them around the Achilles tendon at the rear of your ankle, and attach the hook-and-loop fasteners 8 and 9 on the outside of the hook-and-loop fastener 8 and the hook-and-loop fastener inside 9 to attach it to the flip-flop. Further stabilize the heel of the foot.
Since the flat rubber tapes 6 and 7 are in direct contact with the bare skin, they are made of a soft material with stretch, elasticity, and flexibility so as not to damage the bare skin. In order to prevent it from digging into the skin when wrapped around the foot or when walking, and to increase adhesion, it is preferably in the form of a band with a width of 1 cm or more.
The ends of the flat rubber tapes 6 and 7 are attached with hook-and-loop fasteners 8 and 9, and the lengths of the hook-and-loop fasteners 8 and 9 are adjusted so that they can be quickly attached and removed, and the size can be adjusted to suit the size of the ankle. The width of the pod is preferably 1 cm or more.

Although the outer flat rubber tape 6 and the inner flat rubber tape 7 have the same structure, they are labeled separately in the drawing.
Due to the structure of the hook-and-loop fastener, the hook-and-loop outer side 8 and the hook-and-loop inner side 9 are paired with one side with hook-like brushing and the other with loop-like naps, so they are labeled separately in the drawing. It doesn't matter if it's inside or outside.
For the hook-and-loop fasteners 8 and 9, attach a pair of hook-and-loop fasteners to the ends, or make one side raised in a hook shape, and use the other side to form a loop over the entire flat rubber tape 6 and 7, including one side. By using a single-sided brushed material, you can fasten it anywhere.

Flat rubber tapes 6 and 7 are made of a shoe sole pad 1, two flat rubbers on the little finger side front 10, two flat rubbers on the little finger side rear 12, two flat rubbers on the thumb side front 11 and a flat rubber on the thumb side rear 13 of flexible materials. By connecting them, the sole pad 1 and the flip-flops follow the movement of the foot, making walking smoother. 1. The flip-flop body and foot fit easily, and by fixing the ankle with stretchable flat rubber tapes 6 and 7, the adhesion is further increased.
After attaching the sole pad 1 and passing the flat rubber tapes 6 and 7 through the little finger side thong 22 and the thumb side thong 23, hold the flat rubber tapes 6 and 7 and put on flip-flops, so that the toes of your feet are on the front thong 24. Easier to enter and wear.
Depending on your dominant hand, the flat rubber tapes 6 and 7 may be wrapped around the ankle either after crossing at the upper right of the instep or after crossing at the upper left.
The arch of the foot can be protected by adding a sole pad 1 to the part of the sole of the foot at the center of the bottom of the beach sandal where the arch of the foot touches.

The flip-flops themselves are made of a soft material as a whole, so you can easily feel the impact of uneven road surfaces, which can lead to faster fatigue in some cases.Sole pads 1 are attached to the soles of the flip-flops from the back side. By reinforcing the body of the flip-flop, you can soften the impact.
Flip-flops made of soft material as a whole lack strength in the arch area, so by attaching a sole pad 1 that is applied from the back side to the sole of the flip-flop, the arch area can be reinforced and lasted for a long time. You won't get tired even when wearing it.
It is better if the sole pad 1 has a non-slip finish.
The sole pad 1 is resistant to water, has little wear and tear, has excellent durability even on hot sandy beaches, and has a good non-slip structure and material.
The hook-and-loop fasteners 8 and 9 do not need to be fastened at the back of the ankle, but can be fastened at the side of the ankle by adjusting the length of the flat rubber tapes 6 and 7.

If there is a small gap between the little finger side thong 22, thumb side thong 23 and the foot of the beach sandal and the flat rubber tapes 6 and 7 cannot be passed through the inside of the little finger side thong 22 and thumb side thong 23, use the little finger side thong 22 and the thumb side. The thong 23 may be crossed from the outside to the instep and wrapped around the ankle.
The sole pad 1 may be soft or hard as long as the sole pad thumb side 4 and the sole pad little finger side 5 can be bent in close contact with the side surface of the flip-flop sandal.
Although the sole pad 1 is integrally formed of the same material, it is not limited thereto. For example, if the sole pad 1 is made of a hard material, the sole pad thumb side 4 and the sole pad little finger side 5 should be softer and more pliable than the sole pad 1, as long as they have strength and durability, and can be made along the sides of the flip-flops. It is good as long as it has good adhesion.
If the width of the sole pad 1 is equal to or smaller than the flip-flop body, each connection part should be adjusted so that the side of the flip-flop body and each connection part rub against each other when walking, reducing the strength of each connection part and preventing it from fraying. It is better to increase the strength of
Although it is made of a stretchable material, it is not limited thereto.

Figure 8 is a top view of the right foot wearing a flip-flop and attaching the strap fastener.
Figure 9 is a bottom view of the sole of the right foot wearing flip-flops and the strap fastener attached.
Figure 10 is a rear front view of the left leg strap clasp. The difference from Figure 1 is that the front sole pad 2 of the strap clasp in Figure 1 remains thin, but the thickness of the rear sole pad 3 is increased to further stimulate the arch of the foot and create a massage effect.
Figure 11 is a front view of the front surface of the sole pad 2 of the strap fastener, with the front part 2 almost in a straight line. The difference from Figure 1 is that the front sole pad 2 and the rear sole pad 3 are almost straight lines, so it can be worn without worrying whether it is for the right or left foot.
Figure 12 is a bottom view of the left and right back sides of the flip-flops when the strap clasp shown in Figure 11 is attached.

In Figure 13, the width of the sole pad 1 is made smaller than the width of flip-flops, and the flat rubbers 10, 11, 12, and 13 are made longer. Connecting parts 14A, 16C, 18E, and 20G are the front view of the sole pad 1, where the connection parts 14A, 16C, 18E, and 20G are connected so that the connecting surface is sandwiched between the flip-flop sole and the sole pad 1 so that the flat rubber does not come into direct contact with the ground and wear out. .
Figure 14 shows a version of Figure 13 with increased thickness at the rear 3 of the sole pad.
Since the area of the sole pad 1 is reduced, it can be expected to have the effect of stimulating the pressure points on the sole of the foot in a pinpoint manner.
In Figure 15, by adding a bulge to stimulate the part of the sole of the foot that touches the arch of the foot in Figure 13, we can expect a massage effect on the sole and the effect of stimulating pressure points on the sole of the foot, which is expected to have the effect of assisting the arch of the foot. I can do it.

Figure 16 is a bottom view of the left and right backs of flip-flops with the strap fasteners shown in Figures 13, 14, and 15 attached.
Figure 17 is a bottom view of the sole of the right foot with the strap fasteners shown in Figures 13, 14, and 15 actually attached to the foot.
FIG. 18 is a diagram in which the flat rubber tapes 6 and 7 and the sole pad 1 are connected with almost the same width. Cost reduction can be expected by reducing the vertical width area of the sole pad 1 and reducing the number of connection parts.
FIG. 19-1 shows an example of how to wrap the flat rubber tapes 6 and 7. The flat rubber tapes 6 and 7 are passed through the inner sides of the little finger side thong 22 and the thumb side thong 23, crossed behind the ankle, and fastened in front of the ankle.
Figure 19-2 shows an example of how to wrap flat rubber tapes 6 and 7 with a strap fastener attached to a beach sandal actually worn on the right foot. Since it is not pressed against the sandals, the degree of adhesion is reduced.
By passing the flat rubber tapes 6 and 7 under the thongs 22 and 23, the flat rubber tapes 6 and 7 are held down by the feet and the thongs 22 and 23, and the flip-flops will not come off from the feet even if the way they are wrapped is changed.

In Fig. 20, the strap fastener is attached to the flip-flop body and the hook-and-loop fasteners 8 and 9 are fastened and the flip-flops are rolled together with the back and bottom facing each other, making it easy to carry and store.
This is a strap fastener that is flexible and comfortable to the feet when walking while wearing flip-flops.
The sole pad 1 is brought into close contact with the bottom of the flip-flop, and the flat rubber tapes 6 and 7 are passed through the inside of the thongs 22 and 23 and pulled backwards to make them adhere more closely to the feet, and then fixed with the hook and loop fasteners 8 and 9. 1, the flat rubber little finger side front 10 is longer than the flat rubber little finger side rear 12, and the flat rubber thumb side front 11 is longer than the flat rubber thumb side rear 13.
To ensure that there is no gap between the sole pad 1 and the sole of the flip-flop, sew the sole pad 1 onto the sole of the flip-flop, bake it, or attach it with double-sided tape or adhesive. etc., it can also be tightly attached and fixed without any gaps.
By making the front part of the sole part 2 of the sole part 1 thin and smooth in the form of a plate, the foot can be stepped on and landed without any discomfort when walking, even when a strap fastener is attached.
The sole pad 1, which is applied to the sole of the flip-flop from the back side, should not get caught on uneven road surfaces, prevent sand or gravel from getting in, and leave a gap between the sole of the flip-flop and the sole pad 1. It is necessary to make the front part of the sole pad 2 thin and smooth in the shape of a plate, pass the flat rubber tapes 6 and 7 through the inside of the thongs 22 and 23, and sandwich the flat rubber tapes 6 and 7 between the feet and the thongs 22 and 23. By pulling the flat rubber tapes 10 and 11 toward the rear of the flip-flop, the sole of the flip-flop and the front part of the sole pad 2 are in close contact with each other, and the flat rubber tapes 6 and 7 are then crossed over the instep of the foot to attach the foot to the flip-flop. By pressing it down, the degree of adhesion of the sole pad 1 increases, and by wrapping it around the ankle and fixing it with hook-and-loop fasteners 8 and 9, there is no gap between the sole pad 1 and the sole of the flip-flop. .

This strap fastener has the role of keeping your feet close to the flip-flop body so that your feet don't dance when you walk in flip-flops.
When wearing flip-flops, you have to hold the front strap 24 between your toes, support the straps 22 and 23 with the top of your foot, and lift the flip-flop while walking, which puts a lot of strain on your toes and the top of your foot. When worn, the flat rubber tapes 6 and 7 wrapped around the instep and ankle help lift the flip-flop body, reducing the burden on the toes and instep.

The flat rubber tapes 6 and 7 are made of stretchable material and have an adjustable structure, and are strap fasteners that can adapt to changes in volume and always stay in close contact with the foot.
Flat rubber tapes 6 and 7 fix the insteps and heels of the feet, thereby preventing the flip-flops from coming off and being washed away even when entering a river or the sea.
The flat rubber tapes 6 and 7 fix the instep and heel of the foot, increasing the adhesive surface between the flip-flop and the foot, allowing for stable walking, and preventing the foot from landing misaligned and falling off the flip-flop. prevent that.
The flip-flops and the heel of your foot land stably on the ground, so you won't be bothered by the sound of your footsteps when you walk.
By attaching it to existing flip-flops, you can make effective use of existing resources.

Flip-flops are especially used at the sea or in rivers, so when moving around on hot sandy beaches or rocky areas, it is safer to keep the flip-flops in close contact with your feet, and by attaching a strap clasp, you can increase safety. Increase.

Flat rubber tapes 6 and 7 have patterns and pictures, are simple and colorful, and can be written with names and company names.
Adding beads, sequins, embroidery, fringe, etc. to the flat rubber tapes 6 and 7 increases the design.
Flip-flops do not have an arched part that supports the arch of the foot, and there is no side support, so the posture of the person wearing them does not change much. Therefore, if you wear them for a long time, your bones may become misaligned, causing pain in your knees, hips, and back.Also, because there is nothing to secure your feet, you may fall, sprain your ankles, or fracture your legs. By attaching a strap clasp, you can support the arch of your foot and stabilize your foot, making it easier to maintain your body balance.
When walking while wearing flip-flops, your toes unconsciously grip the front cord 24 to keep the flip-flops from falling off, and you end up putting unreasonable pressure on your toes and walking in an unnatural manner, which can easily lead to fatigue. By attaching the strap clasp, your feet are fixed to the flip-flops, reducing fatigue without worrying about them falling off.
The area between your toes, which is always gripping the front cord 24 to prevent the flip-flops from falling off, is susceptible to friction, causing blisters and pain, but you can stabilize your feet and the flip-flops by attaching a strap clasp. This can reduce the burden on your toes.

The strap fastener can be attached not only to flip-flops but also to footwear having a thong.

The purpose of the strap clasp is to secure flip-flops to your feet, but in the event of a disaster or emergency, you can use the strap clasp to wrap your feet around a board-shaped object, slippers, towel, broken shoes, etc. as an emergency measure. It can protect your feet.

1 Sole rest 2 Sole rest front 3 Sole rest rear 4 Sole rest thumb side 5 Sole rest little finger side 6 Flat rubber tape outside 7 Flat rubber tape inside 8 Hook and loop fastener outside 9 Hook and loop fastener inside 10 Flat rubber little finger side front 11 Flat Rubber thumb side front 12 Flat rubber little finger side rear 13 Flat rubber thumb side rear 14 Connection part A
15 Connection part B
16 Connection part C
17 Connection part D
18 Connection part E
19 Connection part F
20 Connection part G
21 Connection part H
22 Pinky side thong 23 Thumb side thong 24 Front thong 25 Little finger side thong 26 Thumb side thong

Claims (2)

A strap fastener comprising a sole pad that is applied to the sole of a beach sandal from the back side, and a strap that is connected to the sole pad and is wrapped around the ankle and fixed, wherein the sole pad and the strap are A strap fastener for flip-flops, characterized in that the straps are connected via an elastic member, and the elastic member is made of a softer material than the strap. A beach sandal comprising: a flip-flop main body having a thong; a sole pad that is applied to the sole of the flip-flop from the back side; and a strap that is connected to the sole pad and wrapped around the ankle to secure the flip-flop. A flip-flop sandal characterized in that the sole pad and the strap are connected via an elastic member, and the elastic member is made of a softer material than the strap.