JPH06105U - Beach sandals with fins for swimming - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a beach sandal with fins for swimming that allows you to walk on the shore or the like while attached to your feet and swim in the water. Also, make it possible to manufacture beach sandals with fins for swimming at a lower cost. [Structure] A water scraping part 12 for scratching water, a bottom part 16 on which a foot 14 is placed, a foot fixing belt 18 for fixing the foot 14 and an ankle 30
The ankle fixing belt 20 fixed to the above is integrally formed in a flat shape to form the beach sandals 10 with fins for swimming. In addition, the water scraping portion 12 is configured to be small so that the user can walk while being attached to the foot 14.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a beach sandal with a fin for swimming, which can walk on a sandy beach, a rocky place, etc. and can swim while attached to the foot.

[0002]

[Prior art]

 Conventionally, a beach sandal 200 as shown in FIG. 14 has been used. Here, this beach sandal 200 is composed of a bottom portion 202 on which the foot is placed and a thong 204 for fixing the foot. Such a beach sandal 200 is used by divers when they walk on a sandy beach or a rocky place. On the other hand, divers and the like swim by changing to the swimming fins 1 as shown in FIG. 15 when swimming. This swimming fin 1 comprises a water scraping part 2 capable of scratching water, a bag-shaped mounting part 4 into which a foot 3 can be inserted from a toe, and a foot fixing belt 5 capable of fixing the mounting part 4 to the foot 3. There is. As shown in FIG. 15B, the swimming fin 1 is attached to the foot 3 by inserting the foot 3 into the mounting portion 4 and fixing it with the foot fixing belt 5. By fluttering with the swimming fin 1 attached to the foot 3, the water is hit by the water scratching portion 2 and the propulsive force in the water is increased.

[0003]

[Problems to be solved by the device]

 However, it took time to switch from the beach sandals 200 to the swimming fins 1 when entering the water, or to switch from the swimming fins 1 to the beach sandals 200 when exiting the water. For this reason, there has been a demand for beach sandals with fins for swimming that can walk on the ground and swim in the water. In addition, the beach sandals 200 may come off, and it was dangerous when walking on the rocks. Further, since the swimming fin 1 has the bag-shaped mounting portion 4, it cannot be integrally molded and manufactured, and the production cost is high.

Therefore, the present inventor has conducted earnest research to provide a beach sandal with a fin for swimming that can walk on a sandy beach, a rocky place, etc., can swim while attached to the foot, and has a low production cost. As a result, the present invention was achieved.

[0005]

[Means for Solving the Problems]

 The gist of the beach sandals with fins for swimming according to the present invention is that a water scraping part increases the propulsive force in water by hitting water, a bottom part on which a foot is placed, and a foot for fixing the foot to the bottom part. The fixing belt and the fixing belt are integrally formed in a flat shape.

Further, in the beach sandals with a fin for swimming according to the present invention, the water scraping portion is small enough to walk while being attached to the foot.

In addition, in the beach sandals with a fin for swimming according to the present invention, a shape memory alloy is built in the water scratching portion.

Further, in the beach sandals with fins for swimming according to the present invention, the bottom part on which the foot is placed is provided with a finger cover for pressing and fixing the toes of the foot to the bottom part.

Further, in the beach sandals with fins for swimming according to the present invention, the bottom portion on which the foot is placed is provided with the convex portion on which the back surface of the toe of the toe is placed.

In addition, in the beach sandals with fins for swimming according to the present invention, a fastener for preventing separation between the foot fixing belt and the bottom is provided at the base of the foot fixing belt and the bottom. It is in.

[0011]

[Action]

 The beach sandals with a fin for swimming according to the present invention are mounted by mounting the feet of a diver or the like on the bottom and fixing the foot fixing belt to fix the feet to the bottom. Since it is attached to the foot by fixing the foot fixing belt, it is possible to safely walk on a sandy beach or a rocky place without taking off. In addition, divers can swim in the water without changing their fins for swimming with the beach sandals with fins for swimming attached. In the water, by performing a fluttering action, the water scraping part hits the water and the propulsive force is increased. Also, divers can walk out on the sandy beach, etc. without changing their sandals, while wearing beach sandals with fins for swimming. Further, such a beach sandal with fins for swimming is produced at a low cost because the water scraping part, the bottom part, and the foot fixing belt are integrally formed in a flat shape from synthetic rubber or synthetic resin. It

[0012] Furthermore, the swim fin-equipped flip-flops of the present invention, which are small enough to walk with the water-draining part attached to the foot, have a small water-draining part, and therefore the water-draining part becomes an obstacle when walking on a sandy beach, etc. And the legs are not overloaded. Therefore, it is possible to safely and easily walk on a beach or the like.

Further, in the beach sandals with swimming fins according to the present invention, in which the shape memory alloy is incorporated in the water scratching portion, the shape is memorized so that the water scratching portion extends straight at a low temperature and bends vertically at a high temperature. Beach flip-flops with a fin for swimming with a built-in shape memory alloy such that the scratches extend straight when the temperature is low in the water, and the scratches bend vertically on the ground when the temperature is raised by sunlight. By bending the water scraper vertically, it is possible to walk on the ground without disturbing the water scraper.

In addition, the beach fin sandals with swimming fins according to the present invention, which has a finger cover for pressing and fixing the toes to the bottom on which the toes are placed, have the toes put under the fingers. The foot rests on the bottom. By putting the toes under the finger cover, the toes are pressed and fixed to the bottom. By performing the flaps with the toes pressed against the bottom and fixed, the water scraping unit will use the force of the fingers to hit the water. Propulsive force is further increased because the water scraping part hits the water by using the force of the finger.

Further, the beach sandals with a swimming fin according to the present invention, in which the bottom portion on which the foot is placed has a convex portion on which the back surface of the toe of the toe is placed, the beach sandals with a fin for swimming of the present invention are slightly recessed on the back surface of the toe of the toe. The part is placed on the convex part and the foot is placed on the bottom part. The slightly recessed part of the back surface of the toe of the toe is placed on the convex part, and the foot is placed on the bottom part, so that the convex part is sandwiched by the vicinity of the back surface of the radical toe. By sandwiching the convex part between the back surface of the finger root, the foot is firmly fixed to the bottom and placed.

Further, the beach sandals with a fin for swimming according to the present invention, in which a fastener for preventing the foot fixing belt and the bottom from being separated from each other are provided at the base of the foot fixing belt and the bottom, the water is blown at the watering section. Although the force is applied in the direction in which the base between the foot fixing belt and the bottom part is peeled off by the, the peeling between the foot fixing belt and the bottom part is prevented by the fastener. Since the fastener prevents peeling between the foot fixing belt and the bottom portion, it is possible to hit the water with a stronger force by the water scraping portion.

[0017]

【Example】

 Next, an embodiment of a beach sandal with a fin for swimming according to the present invention will be described in detail with reference to the drawings.

In FIG. 1, reference numeral 10 is a beach sandal with a fin for swimming according to the present invention. This beach sandal with a fin 10 for swimming has a water scraping portion 12 which becomes thinner toward one end, a bottom portion 16 which is continuously provided at the other one end portion of the water scraping portion 12, and which is continuous on both sides of the bottom portion 16. And a foot fixing belt 20 continuously provided at one end of the bottom portion 16 on the side opposite to the water scraping portion 12 and divided into a shape. The water scratching portion 12 is formed smaller than the water scratching portion of the conventional swim fins so that the beach fin 10 with the swim fins is attached to the foot 14 so that the user can walk easily. The bottom portion 16 is configured to have a sufficient area on which the foot 14 can be placed. The foot fixing belt 18 is provided at one end, and the belt-like portion 24 having a plurality of steps in the longitudinal direction thereof is attached to the fixing member 22 provided on the back side of the other one as shown in FIG. 1 (c). It is configured such that the foot 14 placed on the bottom 16 can be fixed by inserting it into the bottom and fastening it with a step. Further, the ankle fixing belt 20 is obtained by inserting the belt-like portion 28 provided near one end of the divided portion into the fixture 26 provided on the back side near the other one end and fastening it at the step. The beach sandals 10 with swimming fins can be fixed to the ankle 30.

Here, the water scraping part 12, the bottom part 16, the foot fixing belt 18, and the ankle fixing belt 20 are flat so that the foot fixing belt 18 and the ankle fixing belt 20 are thinner than the bottom part 16. Is integrally molded into the structure. The material of the water scraping portion 12, the bottom portion 16, the foot fixing belt 18, and the ankle fixing belt 20 is not particularly limited, but is made of synthetic resin or synthetic rubber having strong water resistance and elasticity. Is preferred.

In this type of beach sandals 10 with swimming fins, the feet 14 of a diver or the like are placed on the bottom portion 16, the foot fixing belt 18 covers the instep of the foot 14, and the belt-shaped portion 24 serves as the fixing tool 22. The foot 14 is fixed to the bottom portion 16 by being inserted as shown in FIG. With the foot 14 fixed to the bottom portion 16, the ankle fixing belt 20 covers the ankle 30 and the band portion 28 is inserted into the fixing tool 26 and fastened, so that the beach sandal 10 with swimming fins is attached to the ankle 30. Fixed. Since the foot fixing belt 18 is thus attached to the foot, it can be safely walked on a sandy beach or a rocky place without taking off. Further, the diver or the like can swim in the water without changing the fins for swimming while the beach sandals 10 with swimming fins are attached in this manner. In the water, when the fluttering foot is performed, the water scraping portion 12 hits the water to increase the propulsive force. Also, the diver or the like can get out of the water and walk on the sandy beach or the like without wearing the beach sandals while wearing the beach fins 10 with swimming fins. In addition, since the beach sandal 10 with swimming fins has a small water scraping portion 12, even if the beach sandal 10 with swimming fins is attached to the feet 14 and the ankles 30 even when walking on a sandy beach or the like. 12 does not get in the way and fall, or the foot 14 is not overloaded.

According to the beach sandals 10 with fins for swimming, the beach sandals 10 with fins for swimming can be walked on the shore while the feet 14 and the ankles 30 are attached to the beach sand, and the beach sandals can be directly swim in the water. You can Therefore, it is not necessary to switch from beach sandals to swimming fins when entering the water, or to replace beach fins to beach sandals to walk out of the water and walk on the ground. The beach sandal 10 with fins for swimming has a water scraping portion 12, a bottom portion 16, a foot fixing belt 18 and an ankle fixing belt 20 which are integrally formed. Therefore, the molding cost is very low, and the beach sandals 10 with fins for swimming can be manufactured at low cost. Further, the water scratching portion 12 is formed smaller than the water scratching portion of the conventional swimming fin. Therefore, it is possible to safely and easily walk on a beach or the like. Further, since the beach sandals 10 with swimming fins have a small scratching portion 12, they are generally smaller than the conventional swimming fins. Therefore, it is convenient to carry.

Although the embodiment of the present invention has been described above, the beach sandals with fins for swimming according to the present invention can be implemented in other modes.

For example, as shown in FIG. 2, it may be a beach sandal 36 with swimming fins in which a plurality of grooves 34 are provided on the back surface of the bottom portion 32. According to this beach sandal 36 with fins for swimming, since the plurality of grooves 34 are provided on the back surface of the bottom 32, the beach sandal 36 does not slip when walking on a rock or the like. Therefore, it is possible to walk safely and easily on the beach or the like with the beach sandals 36 with fins for swimming attached to the feet 14.

Further, the beach fin sandals for swimming according to the present invention may be beach sandals 40 for swimming fins as shown in FIG. The leg fixing belt 42 of the beach sandal 40 with fins for swimming is configured such that a buckle 44 is provided on one side and a fastening hole 46 is provided on the other side. By fastening the fastening hole 46 and the buckle 44, the foot 14 can be fixed to the bottom portion 47. Further, the ankle fixing belt 48 is configured such that a buckle 50 is provided in the vicinity of one end of the divided part and a fastening hole 52 is provided in the vicinity of the other end. By fastening the fastening hole 52 and the buckle 50, the ankle 30 can be fixed to the beach fin sand 40 for swimming. According to this type of beach sandal 40 with fins for swimming, the fastening hole 46 and the buckle 44 and the fastening hole 52 and the buckle 50 can be firmly fixed and attached to the foot 14.

Further, the beach sandals with fins for swimming according to the present invention may be beach sandals 54 with fins for swimming shown in FIG. In this beach sandal with fins for swimming 54, a mounting portion 58 is formed by adhering the vicinity of one end of one foot fixing belt 56 and the vicinity of one end of the other foot fixing belt 56. In addition, magic tapes 62 and 64 are provided near the tip of the ankle fixing belt 60, which is also divided into two parts. By fixing the magic tapes 62 and 64, the ankle 30 is fixed to the beach sandal with a fin for swimming 54. Is configured to be able to. The swim fin-equipped flip-flop sandal 54 is fixed to the foot 14 by inserting the foot 14 into the mounting portion 58 and fixing the Velcro straps 62 and 64 so that the ankle fixing belt 60 covers the ankle 30. . According to the beach fin 54 with a fin for swimming, it can be easily attached to or removed from the foot 14 by fastening or removing the magic tapes 62 and 64.

Further, the beach sandals with fins for swimming according to the present invention may be beach sandals 66 with fins for swimming as shown in FIG. The beach sandals 66 with fins for swimming include a water scraping portion 68, a bottom portion 70 continuously provided on the water scraping portion 68, and foot fixing belts 72 and 74 continuously provided on both sides of the bottom portion 70. And an ankle fixing belt 76 continuously provided to the foot fixing belt 72. Here, the water scraping portion 68 is configured to be small so as to slightly project from the vicinity of the bottom portion 70 on which the little finger is placed, and is configured not to interfere with walking. The bottom portion 70 is provided with a protrusion 78 so that it can be sandwiched between the thumb and the forefinger of the foot 14 to fix the foot 14 to the bottom portion 70. Further, the foot fixing belt 72 is adhered to form a ring shape integrally with the foot fixing belt 74 so that the foot 14 can be inserted as shown in FIG. 5B. Further, the ankle fixing belt 76 is configured to be able to fix the beach sandals 66 with swimming fins to the ankle 30 by being inserted and fastened in the fixing tool 22. Since such a beach sandal 66 with fins for swimming has a very small water scratching portion 68, it is very easy to walk on the beach or the like. Further, the protrusion 78 can be sandwiched by the fingers of the foot 14. Therefore, when walking, it does not shift from the foot 14.

Further, the beach fin sandals for swimming according to the present invention may be beach sandals 86 for swimming fins as shown in FIG. This beach fin sandal 86 with fins for swimming has a water scraping portion 12, a bottom portion 88 continuously provided at the other end of the water scraping portion 12, and foot fixing belts 94 and 96 provided on both sides of the bottom portion 88. The intermediate portion of the foot fixing belt 96 is made continuous with the belt member 98. Here, the tip portions of the foot fixing belts 94 and 96 are adhered so that the bottom portion 88 and the foot fixing belts 94 and 96 are integrated to form a ring-shaped foot fixing portion 90. Further, one ends of the ankle fixing belts 98 are adhered to each other so as to form a ring-shaped ankle fixing portion 92. The water scraping portion 12, the bottom portion 88, and the belt members 94, 96 and 98 are integrally formed of elastic members.

According to this beach sandal 86 with fins for swimming, the foot 14 is inserted from the ankle fixing portion 92 into the foot fixing portion 90, and the ankle 30 is inserted into the ankle fixing portion 92 to be fixed to the foot 14. You can Therefore, the foot 14 can be easily attached to the foot 14 by simply inserting the foot 14 without fastening it with a fixing tool or the like. Further, since the ankle fixing portion 92 protects the ankle 30 so as to tighten it, it can also function as an Achilles tendon supporter.

Further, the beach fin sandals for swimming according to the present invention may be beach sandals 100 for swimming fins as shown in FIG. This swimming finned beech sandal 100 has a wire (shape memory alloy) 104 made of a shape memory alloy built in the water scratching portion 102, and at a low temperature of about 20 ° C., as shown by the solid line in FIG. The portion 102 extends straight and is bent vertically at a high temperature of about 30 ° C. as shown by a chain double-dashed line. In this beach fin 100 with swimming fins, the water scraping part 102 is straightened in water at about 20 ° C. On the other hand, on the ground which is burned by the sun's rays and becomes high in temperature, the water scraping part 102 is bent vertically. According to such a beach sandal 100 with swimming fins, the water scraping portion 102 can be bent and walked on the ground. For this reason, the water scraping portion 102 can easily walk on the ground without getting in the way.

Next, the beach fin sandals for swimming according to the present invention may be beach sandals 130 for swimming fins as shown in FIG. This beech sandal with fin 130 for swimming has a water scraping part 132 that becomes thinner toward one end, a bottom part 134 continuously provided at the other end part of the water scraping part 132, and both sides of the bottom part 134. The foot fixing belt 136 is continuously provided, and the ankle fixing belt 138 is continuously provided on the foot fixing belt 136.

The bottom portion 134 is configured to be slightly concave so that the foot 14 can be placed and held. Further, as shown in FIG. 9A, a finger cover 140 that covers the fingers of the foot 14 to press and fix the fingers on the bottom portion 134 is provided at a portion where the vicinity of the toes of the foot 14 is placed. It is configured. In addition, a convex portion 142 is provided to stabilize the position of the finger by placing a slightly recessed portion on the back surface of the root of the toe. Here, the material of the finger cover 140 is not particularly limited, but is preferably an elastic member that can expand and contract.

The foot fixing belt 136 has a belt-shaped portion 146 provided with a plurality of holes 144, a buckle portion 148 into which the belt-shaped portion 146 is inserted, and a belt-shaped portion by being inserted into the holes 144 of the belt-shaped portion 146. And a retaining pin 150 for retaining 146. Further, the ankle fixing belt 138, which is continuous with the foot fixing belt 136, is wound around the ankle, and the holes 152 are inserted into the buckle portion 154 provided on the foot fixing belt 136, and are fastened to the ankle by fastening pins 156. It is configured to be fixed.

Here, the water scraping portion 132, the bottom portion 134, the foot fixing belt 136 and the ankle fixing belt 138 are integrally formed in a planar shape as shown in FIG. 8A. The convex portion 142 of the bottom portion 134 and the buckle portions 148 and 154 of the foot fixing belt 136 are also integrally formed in the same manner. Here, the foot fixing belt 136 is bent inward, and the gluing margin 158 on the foot fixing belt side and the gluing margin 160 on the bottom side are adhered with an adhesive so as to be erected from the bottom portion 134. ing. Here, the fastener 162 as shown in FIGS. 9B and 9C is inserted from the foot fixing belt 136 to the bottom portion 134, and is bent toward the side surface of the bottom portion 134, so that the glue margins 158 and 160 are formed. Are fixed so that they do not separate from each other. It should be noted that one end of the adhesive margins 158 and 160 to which the fastener 162 is fixed in this manner is opposite to one end thereof by providing the reinforcing cloth 157 shown in FIG. It is okay to prevent it from coming off.

In this beach sandal 130 with fins for swimming, the toes of the foot 14 are put under the finger cover 140, and the concave part of the back of the toe of the toe is placed on the convex part 142. It is placed on the bottom 134. By putting the fingers of the foot 14 under the finger cover 140, the fingers of the foot 14 are pressed and fixed to the bottom portion 134. Further, by placing the concave portion of the back surface of the finger root on the convex portion 142, the convex portion 142 is sandwiched by the base of the finger and the foot 14 is fixed to the bottom portion. In this way, with the foot 14 placed on the bottom portion 134, the foot fixing belt 136 is wound around and fixed to the instep of the foot 14, and the ankle fixing belt 138 is wound around and fixed to the ankle. In this manner, the beach sandals 130 with swimming fins are fixed to the foot 14 and kicked in water, so that the water scraping portion 132 scratches the water to increase the propulsive force. It should be noted that when the water scraping portion 132 scratches water, a force is applied in the direction in which the glue allowances 158 and 160 are peeled off, but since it is fastened by the fastener 162, the glue allowances 158 and 160 are not peeled off. .

According to such a beach sandal 130 with fins for swimming, the fingers of the foot 14 can be put under the finger cover 140 to fix the foot 14 to the bottom portion 134. Therefore, it is possible to kick with the water scraping portion 132 using the force of the finger, and it is possible to efficiently scratch the water and increase the propulsion force. Further, the concave portion on the back surface of the toe of the toe can be placed on the convex portion 142, and the convex portion 142 can be sandwiched by the fingers. Therefore, the foot 14 can be firmly fixed to the bottom portion 134. In addition, the fastener 162 can prevent the adhesive margins 158 and 160 from peeling off. Therefore, even if water is scratched with a strong force by the water scraping portion 132, there is no possibility that a crack will be generated in the bonding portion between the glue margins 158 and 160 and the crack will progress.

Further, in the beach sandals 130 with swimming fins according to the present invention, a finger cover 164 shown in FIG. 10 is provided as an alternative to the finger cover 140, and the convex 142 is shown as an alternative to the finger cover 164 shown in FIG. The convex portion 172 may be provided. Here, the finger cover 164 is composed of a finger fixing portion 168 for the thumb and a finger fixing portion 170 for the other four fingers, and the thumb is put under the finger fixing portion 168 and the other four fingers are fixed. It is configured so that the foot 14 can be fixed to the bottom portion 134 by putting two fingers under the finger fixing portion 170 and pinching the inside of the finger fixing portions 168 and 170 with the thumb and the index finger. ing. The convex portion 172 is a concave portion 174 on which the back surface of the thumb root is placed, a concave portion 176 on which the back surface portion of the index finger is placed, a concave portion 178 on which the back surface portion of the middle finger is placed, and a back surface of the ring finger of the ring finger. A concave portion 180 on which the portion is placed and a concave portion 182 on which the back surface of the base of the little finger is placed are provided.

According to such a beach sandal with fins for swimming provided with the finger cover 164, the fingers of the foot 14 are put under the finger fixing portions 168 and 170, and are sandwiched by the thumb and the index finger. The foot 14 can be firmly fixed to the bottom portion 134. Further, the back surface of the root of each of the five fingers can be placed on the recesses 174, 176, 178, 180 and 182 to sandwich the projection 172 with the fingers. Therefore, the foot 14 can be more firmly fixed to the bottom portion 134.

Also, in the beach sandals 130 with swimming fins according to the present invention, a fastener 184 shown in FIG. 11 is provided as an alternative to the fastener 162, and a reinforcing cloth 186 is provided at the base of the water scraping portion 132 and the foot fixing belt 136. May be. The fastener 184 is fixed so that the foot fixing belt 136 and the bottom portion 134 are sandwiched therebetween, so that a crack can be prevented from being generated at the bonding portion between the adhesive margins 158 and 160. Further, the reinforcing cloth 186 is fixed to the water scraping portion 132 and the base of the foot fixing belt 136 so that the adhesive portions of the adhesive margins 158 and 160 are not peeled off. The reinforcing cloth 186 also adheres the adhesive margins 158 and 160. It is possible to prevent cracks from being generated in the part. Therefore, the fasteners 184 and the reinforcing cloth 186 can further strengthen the adhesion between the adhesive margins 158 and 160.

Further, the beach fin sandals for swimming according to the present invention may be beach sandals 106 for swimming fins as shown in FIG. In this beach fin sand for swimming 106, a foot fixing belt 110 is provided on a part of one side of the bottom portion 108, and a foot fixing belt 112 is provided on the other side. Here, a string 114 is provided at the tip of the foot fixing belts 110 and 112. In addition, the foot fixing belt 112 is provided with a hole 116 having a size capable of inserting the foot 14. In this beach sandal 106 with fins for swimming, the foot 14 is inserted into the hole 116 from the back side of the foot fixing belt 112, the foot 14 is placed on the bottom 108, and the strings 114 of the foot fixing belts 110 and 112 are tied together. When the strings 114 are tied together, the foot 14 is fixed on the bottom 108. According to this type of beach sandals 106 with swimming fins, it can be easily attached to the foot 14 by tying the string 114. Further, since the foot 14 is inserted into the hole 116 and attached to the foot 14, it does not come off from the foot 14.

Further, the beach sandals with fins for swimming according to the present invention may be beach sandals with swimming fins 118 as shown in FIG. A plurality of grooves 122 are provided on the back side of the water scratching portion 120 of the beach sandal with fins for swimming 118, and a button hole 124 is provided at the tip portion. A button 128 is provided on the foot fixing belt 126 that covers the instep of the foot 14. As shown in FIG. 13 (b), the beach fins with swim fins 118 have the water scraping portion 120 curved so that the groove 122 is widened, and the button hole 124 is fastened to the button 128. By thus bending and retaining the water scraping portion 120, the water scraping portion 120 can walk along the shore without interfering with the water scratching portion 120.

Various embodiments of the beach sandals with swimming fins according to the present invention have been described above with reference to the drawings. The beach sandals with swimming fins according to the present invention are the same as the beach sandals with swimming fins shown in the drawings. It is not limited. For example, the shape of the water scraping portion is not limited to the above-mentioned shape, and may be any shape that can hit water to increase the propulsive force. Further, the shape of the bottom portion is not limited to the above-mentioned shape, and may be one having a hole for inserting a toe or one having a convex portion at a portion on which the arch is placed. Further, the foot fixing belt is not limited to the above-mentioned one, and may be formed by integrally molding the water scraping portion and the bottom portion and fixing the foot to the bottom portion.

Next, the finger cover is not limited to the above-mentioned shape, and may be any one as long as it covers the toes and fixes it to the bottom. Further, the convex portion on which the back surface of the toe of the toe is placed is not limited to the shape described above, and may have a substantially circular cross section. Further, it may be a convex portion having a protrusion sandwiched between the thumb and the index finger. Further, the convex portion is not limited to the convex portion on which the back surface of the finger roots of five fingers is placed, and may be a convex portion configured to mount the back surface of the roots of one to four fingers. In addition, the present invention can be carried out in a mode in which various improvements, modifications and variations are added based on the knowledge of those skilled in the art without departing from the spirit of the invention.

[0043]

[Effect of device]

 According to the beach sandals with fins according to the present invention, divers etc. can swim in the water without changing their feet to the swimming fins with their feet fixed to the bottom and the beach sandals with swimming fins attached. be able to. Alternatively, you can get out of the water and walk on sandy beaches, rocks, etc. without changing your beach sandals. For this reason, it can be used not only as a beach sandal but also as a swim fin, and it is possible to save the trouble of switching from the beach sandal to the swim fin or from the swim fin to the beach sandal. Further, the water scraping portion, the bottom portion, and the foot fixing belt are integrally formed in a planar shape from a plate made of synthetic rubber or synthetic resin. Therefore, it can be produced at a very low cost.

Further, according to the beach sandals with swimming fins of the present invention, which are small enough to walk with the water scraping part attached to the foot, the water scraping part interferes with the flipping of the flip flop, or an excessive amount of water is added to the foot. You can walk on the beach without burden. Therefore, you can walk safely and easily on the beach.

In addition, according to the beach sandals with a fin for swimming in which the shape memory alloy is built in, the water scratched portion can be straightened at a low temperature in water, and the water scratched portion can be bent vertically on the ground heated by sunlight. it can. For this reason, it is possible to walk on the ground with the water scraping part in the way when it is attached to the foot.

Further, according to the beach sandals with fins for swimming, which are provided with a finger cover for pressing and fixing the toes of the foot on the bottom on which the toes are put, the toes of the toes are put under the finger cover and You can fix it by pressing your fingers against the bottom. Therefore, the force of the finger can also be used to hit the water at the water scraping portion, and the propulsive force can be further increased.

In addition, according to the beach sandals with fins for swimming in which the bottom portion on which the foot is placed has the convex portion on which the vicinity of the base of the toe is placed, according to the beach sandals for swimming, a slightly recessed portion of the back surface of the toe of the toe. Can be placed on the convex portion, and the convex portion can be sandwiched between the base portions of the toes of the toes. Therefore, the foot can be firmly placed on the bottom portion.

Further, according to the beach sandals with fins for swimming in which the foot fixing belt and the bottom are provided with the fasteners for preventing the foot fixing belt and the bottom from being separated from each other, the foot fixing belt and the bottom are separated from each other. Detachment can be prevented by fasteners. Therefore, there is no fear that the foot fixing belt and the bottom part will separate during swimming, and the propulsion force can be increased by striking the water scraping part more strongly.

[Brief description of drawings]

1A and 1B are views showing an embodiment of a beach sandal with a fin for swimming according to the present invention, wherein FIG. 1A is a plan view, FIG. 1B is a side view showing a use state, and FIG. FIG. 4 is an enlarged sectional view of a main part.

FIG. 2 is a plan view showing another embodiment of the beach sandals with swimming fins according to the present invention.

FIG. 3 is a plan view showing still another embodiment of the beach sandals with fins for swimming according to the present invention.

FIG. 4 is a plan view showing still another embodiment of the beach sandals with fins for swimming according to the present invention.

FIG. 5 is a view showing still another embodiment of the beach sandals with fins for swimming according to the present invention, wherein FIG. 5 (a) is a plan view and FIG. 5 (b) is a side view showing a usage state.

6A and 6B are views showing still another embodiment of the beach sandals with fins for swimming according to the present invention, wherein FIG. 6A is a plan view and FIG. 6B is a side view showing a usage state.

7A and 7B are views showing still another embodiment of the beach sandals with a fin for swimming according to the present invention, FIG. 7A is a plan view, and FIG. 7B is a side view showing a usage state.

8A and 8B are views showing the beach sandals with fins for swimming shown in FIG. 7, where FIG. 8A is an enlarged side sectional view of an essential part, FIG. 8B is an enlarged side view of an essential part, and FIG. FIG. 4 is an enlarged front sectional end view of a main part.

9A and 9B are views showing still another embodiment of the beach sandals with fins for swimming according to the present invention, wherein FIG. 9A is a plan view of a main part, and FIG. 9B is a front sectional end view.

FIG. 10 is a view showing still another embodiment of the beach sandals with fins for swimming according to the present invention, FIG. 10 (a) is a front sectional end view of a main part, and FIG. 10 (b) is a side view of the main part. is there.

FIG. 11 is a view showing still another embodiment of the beach sandal with a fin for swimming according to the present invention, FIG. 11 (a) is a plan view of a main part, and FIG. 11 (b) is a side view showing a usage state. is there.

12A and 12B are views showing still another embodiment of the beach sandals with a fin for swimming according to the present invention, wherein FIG. 12A is a plan view and FIG. 12B is a side view showing a usage state.

FIG. 13 is a view showing still another embodiment of the beach sandals with a fin for swimming according to the present invention, wherein FIG. 13 (a) is an enlarged side sectional view showing an essential part attached to a foot, and FIG. )
FIG. 4 is an enlarged side sectional view of an essential part showing a state in which a water scraping portion is curved and held.

FIG. 14 is a plan view showing a conventional beach sandal.

15A and 15B are views showing a conventional swimming fin, wherein FIG. 15A is a plan view and FIG. 15B is a side view showing a usage state.

[Explanation of symbols]

10, 36, 40, 54, 66, 86, 100, 10
6,118,130; Swimming fins 12,68,102,120,132; Draining parts 14; Feet 16,32,47,70,88,108,134; Bottom parts 18,42,56,72,96,112 , 136; foot fixing belt 104; wire (shape memory alloy) 140, 164; finger cover 142, 172; convex part 162, 184; fastener

Claims (6)

[Scope of utility model registration request] 1. A water scraping part for increasing propulsive force in water by hitting water, a bottom part on which a foot is placed, and a foot fixing belt for fixing the foot to the bottom part are integrally formed in a flat shape. Beach sandals with fins for swimming that are characterized. 2. The beach sandal with fins for swimming according to claim 1, wherein the water scraping portion is small enough to walk while being attached to a foot. 3. The beach sandal with a fin for swimming according to claim 1, wherein a shape memory alloy is incorporated in the water scraping portion. 4. The swimming device according to claim 1, further comprising a finger cover on a bottom portion on which the foot is placed, for fixing the toes of the foot by pressing the toes on the bottom portion. Beach sandals with fins. 5. The swimming device according to claim 1, wherein the bottom portion on which the foot is placed is provided with a convex portion on which the back surface of the root of the toe is placed. Beach sandals with fins. 6. The fastener according to claim 1, wherein a fastener for preventing separation between the foot fixing belt and the bottom portion is provided at the base of the foot fixing belt and the bottom portion. Beach sandals with fins for swimming described in Crab.