Leg-spreading restraint stamp
The leg-opening restraint device with a flexible strip member and adjustable buckle system addresses clothing damage and entanglement issues, ensuring reliable and quick release for maintaining a closed-leg position.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- LIFENECT CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing leg-spreading restraint devices pose risks of damaging clothing with hook-and-loop fasteners and have issues with excess belt length that can get entangled or caught, making quick release and movement difficult.
A leg-opening restraint device with a flexible strip member, featuring a gate-shaped support portion, a first and second buckle with a detachable connection, and a movable ring portion that allows for adjustable length, using a thickness-direction fitting structure and secure fixation to maintain a closed-leg position without snagging.
The device supports easy maintenance of a closed-leg position while seated and enables quick and reliable release in emergencies, reducing the risk of clothing damage and entanglement.
Smart Images

Figure 0007843562000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a leg-opening restraint device, and more particularly, to a leg-opening restraint device that is wrapped around and worn on the thighs of a seated user to support the user in easily maintaining a closed-leg state when sitting.
Background Art
[0002] Generally, it is considered more preferable to sit in a closed-leg state (with the knees closed) than to sit with the legs open, as the posture appears more proper. Especially in social or public settings, it is particularly desired for women wearing skirts to sit with their legs closed, both for aesthetic and comfort reasons. However, during long periods of sitting, due to fatigue or relaxation of tension, a person may unconsciously open their legs. Conversely, maintaining a closed-leg position for a long time requires maintaining a state of tension, which is very difficult. Therefore, conventionally, devices for suppressing the opening of both thighs during sitting have been proposed.
[0003] For example, Patent Document 1 discloses a leg-opening restraint device (leg-opening regulation band) whose overall shape is a fixed-width strip, with a female part of a planar fastener formed on its surface, and a male part of a planar fastener that is detachable from this female part at one longitudinal end on the back surface. This leg-opening restraint device is wrapped around the closed-leg thighs of a seated user, and according to the length around both thighs of the user, the male part of the planar fastener provided on the back surface of one end is overlapped and attached to the female part of the planar fastener on the surface of the other end side, and both ends are connected to fix the user's thighs in a closed-leg state. According to the leg-opening restraint device disclosed in Patent Document 1, the thighs can be restrained in a closed-leg state, and it supports the user in easily maintaining a closed-leg state when sitting.
[0004] Furthermore, Patent Document 2 discloses a leg-spreading restraint device (knee fixing belt) consisting of a belt body made of a material that is stretchable in all directions and has a widened shape in part, an adjustment part that allows the length of the belt to be adjusted, and a connecting part (detachable part) that allows the ends of the belt to be joined in a ring shape. The length of this leg-spreading restraint device is adjusted by the adjustment part according to the circumference of the user's thighs, and when in use, it is wrapped around the user's thighs in a closed position and the ends are connected by the connecting part (detachable part), thereby fixing the user's thighs in a closed position. According to the leg-spreading restraint device disclosed in Patent Document 2, the thighs can also be restrained in a closed position, supporting the user so that they can easily maintain a closed position when seated. In this leg-spreading restraint device, as shown in Figure 1, a so-called one-touch mechanical buckle is used in the connecting part, in which pressing the side causes a part of the internal mechanism to bend and the connection to be released. Furthermore, in this leg-spreading restraint device, as described in paragraph
[0021] , the adjustment part is such that a belt attached to the plug of the connecting part passes through the plug and extends toward the other end, securing a reserve length, and the length of the belt is adjusted by sliding this reserve length portion against the attachment part of the plug. [Prior art documents] [Patent Documents]
[0005] [Patent Document 1] Utility Model Registration No. 3210138 Gazette [Patent Document 2] Japanese Patent Publication No. 2016-216865 [Overview of the project] [Problems that the invention aims to solve]
[0006] However, in the leg-spreading restraint device disclosed in Patent Document 1, a hook-and-loop fastener is used as the means of connecting the two ends, and the male part of the hook-and-loop fastener provided on the back side carries a high risk of damaging clothing, such as snagging on stockings and causing runs, or snagging on sweaters and causing pilling. In particular, when trying to quickly release the restraints and move around, there is no time to carefully release the restraints, and the risk is increased as the hook-and-loop fastener is quickly peeled off.
[0007] On the other hand, the leg-spreading restraint device disclosed in Patent Document 2 does not use components that pose a high risk of damaging clothing, such as hook-and-loop fasteners, and therefore the risk of damaging clothing is low even when trying to quickly release the restraints and move. However, in the leg-spreading restraint device disclosed in Patent Document 2, an excess length is provided in the belt, and the length of the belt can be adjusted by adjusting the length of the excess portion. In other words, in the leg-spreading restraint device disclosed in Patent Document 2, the excess portion is raised from the surface, and there is a risk that the raised excess portion may be held down by something, entangled in something, or caught on something. Such risks can be an obstacle when trying to quickly release the restraints and move.
[0008] In view of these problems, the object of the present invention is to provide a leg-opening restraint device that supports the user in easily maintaining a closed leg position while seated, and that allows for more reliable and quick release of restraint and movement in emergencies. It would be even more preferable if the leg-opening restraint device also has a good appearance and a good fit. [Means for solving the problem]
[0009] To solve the above problems, the leg-spreading restraint device according to the present invention includes a strip-shaped member that is flexible at least in the thickness direction, and is a device that is attached to the thighs of a seated user to restrain leg-spreading.
[0010] This leg-spreading restraint device has a gate-shaped support portion for each folded strip member, and consists of a first buckle and a second buckle that can be detachably connected to each other, and a connecting portion that has a connecting structure that allows the first buckle and the second buckle, which are connected, to be disconnected in a single operation. A fixing ring portion made of a rigid material, through which a strip-shaped member can be inserted without bending it in the width direction, and having an oval or rectangular ring shape including a pair of opposing long side portions, A movable ring portion comprising a rigid member, an annular portion having a rectangular ring shape including a pair of opposing long sides and a pair of opposing short sides, through which a strip-shaped member can be inserted without bending in the width direction, and a rod-shaped intermediate rod portion that bridges the pair of short sides of the annular portion and is movable along the short sides of the annular portion, One of the strip-shaped members is a full-length fixed belt portion in which one side is folded back with the strip-shaped member support portion of the first buckle sandwiched inward, and the other side is folded back with the long side portion of the fixing ring portion on the first buckle side sandwiched inward and fixed, and the total length does not change. This is another strip-shaped member separate from the fixed-length belt section, with one end folded back with the strip-shaped member support portion of the second buckle sandwiched inward and its end fixed to an opposing surface, and the other end passing between the long side portion of the annular portion of the movable ring section on the second buckle side and the intermediate rod-shaped portion, then passing between the intermediate rod-shaped portion and the long side portion of the annular portion on the first buckle side, sandwiching the long side portion of the fixed ring section on the second buckle side with the surface on the intermediate rod-shaped portion side, passing again between the long side portion of the annular portion of the movable ring section on the second buckle side and the intermediate rod-shaped portion, then passing between the intermediate rod-shaped portion and the long side portion of the first buckle side, with the end folded back with the intermediate rod portion of the movable ring section sandwiched inward and fixed to an opposing surface on the inside, and the overall length of the variable-length belt section is variable by moving its relative position to the movable ring section in the longitudinal direction, It is characterized by having the following features.
[0011] In this leg-spreading restraint device, The full-length fixed belt portion consists of an inner portion of the full-length fixed belt portion, which is relatively flexible and is folded over to sandwich the fixing ring portion, and an outer portion of the full-length fixed belt portion, which is folded over to sandwich the band-shaped member support portion of the first buckle and is fixed by sandwiching both ends of the overlapping inner portion of the full-length fixed belt. The adjustable length belt portion consists of an inner portion of the adjustable length belt, which is relatively flexible and folded over with the fixing ring portion in between, and an outer portion of the adjustable length belt, which is folded over with the band-shaped member support portion of the second buckle in between, and is fixed by sandwiching both sides of the open end of the inner portion of the adjustable length belt. It is preferable.
[0012] Furthermore, in this leg-spreading restraint device, it is preferable that the ends of the fixed-length belt portion and the variable-length belt portion are secured by at least one of the following methods: sewing, heat sealing, adhesive, riveting, and button fastening.
[0013] Furthermore, in this leg-spreading restraint device, it is preferable that the connecting structure includes a thickness-direction fitting structure that engages a hook shape formed on one of the first buckles and the second buckle, which protrudes in the thickness direction perpendicular to the width direction, with a gate-shaped shape formed on the other of the first and second buckles, which widens in the width direction; a width-direction fitting structure that engages a hook formed on one of the first and second buckles, which protrudes in the width direction, with a through hole or opening formed on the other of the first and second buckles, which faces in the width direction; or a magnet structure that magnetically connects a permanent magnet attached to one of the first and second buckles with a permanent magnet or magnetic material attached to the other of the first and second buckles.
[0014] In addition, in this crotch-opening restraint device, the inner part of the full-length fixed belt of the full-length fixed belt part and the inner part of the full-length variable belt of the full-length variable belt part are each formed of a fabric that can be distorted in the width direction by incorporating fibers aligned in a direction intersecting each other, which is preferable.
[0015] In addition, in this crotch-opening restraint device, it is preferable that the first buckle and the second buckle have a decorative surface part with a decorative motif on the surface.
Effect of the Invention
[0016] According to the present invention, it is possible to provide a crotch-opening restraint device that supports the user to easily maintain a closed-leg state when sitting and is considered to be able to more reliably and quickly release the restraint and start moving in an emergency.
Brief Description of the Drawings
[0017] [Figure 1] It is an external perspective view when using the crotch-opening restraint device according to the embodiment. [Figure 2A] It is a plan view of the crotch-opening restraint device according to the embodiment in an unconnected state. [Figure 2B] It is a bottom view of the crotch-opening restraint device in FIG. 1A in an unconnected state. [Figure 2C] It is a front view of the crotch-opening restraint device in FIG. 1A in an unconnected state. [Figure 3A] It is an enlarged view of part A in FIG. 2C. [Figure 3B] It is an enlarged view of part B in FIG. 2C. [Figure 3C] It is an enlarged view of part C in FIG. 2C. [Figure 4A] It is a plan view of the connecting part used in the crotch-opening restraint device in FIG. 1A. [Figure 4B] It is a front view of the connecting part used in the crotch-opening restraint device in FIG. 1A. [Figure 5] It is a plan view of the fixed ring part used in the crotch-opening restraint device in FIG. 1A. [Figure 6A]This is a plan view of the movable ring used in the leg-spreading restraint device shown in Figure 1A. [Figure 6B] Figure 5A is a cross-sectional view along the DD line. [Modes for carrying out the invention]
[0018] The following describes a leg-spreading restraint device 1 as one embodiment to which the present invention is applied, with reference to the drawings. Note that the figures do not necessarily show all specific forms and configurations precisely.
[0019] Figure 1 shows the state of use of the leg-spreading restraint device 1 according to the embodiment, and is an external perspective view attached to the thigh T of user M. Figure 2A is a plan view of the leg-spreading restraint device 1 in an unconnected state, Figure 2B is its bottom view, and Figure 2C is its front view. Figure 3 is an enlarged view of each part of Figure 2C, Figure 3A is an enlarged view of part A, Figure 3B is an enlarged view of part B, and Figure 3C is an enlarged view of part C. Figure 4A is a plan view of the connecting part 2 used in the leg-spreading restraint device 1, and Figure 4B is its front view. Figure 5 is a plan view of the fixed ring part 3 used in the leg-spreading restraint device 1. Figure 6A is a plan view of the movable ring part 4 used in the leg-spreading restraint device 1, and Figure 6B is a cross-sectional view taken along line DD of Figure 6A. First, the configuration of the leg-spreading restraint device 1 will be explained with reference to these figures.
[0020] The leg-spreading restraint device 1 includes a strip-shaped member that is flexible at least in the thickness direction and can be opened in a planar manner (see Figures 2A to 2C). In this state, it is a long strip-shaped member that is flexible at least in the thickness direction. The leg-spreading restraint device 1 is used to restrain the user M from unconsciously spreading their legs by restraining them in a closed leg position with their left and right thighs T pressed together, as shown in Figure 1, by wrapping it around the thighs T of a seated user M and connecting both ends to form a ring shape. In this specification, the planar open state is referred to as the unconnected state, and the ring shape is referred to as the connected state.
[0021] As shown in Figures 2A to 2C, the leg-spreading restraint device 1 used in this manner includes a connecting section 2 consisting of a pair of buckles, a first buckle 2A and a second buckle 2B, which can be detachably connected to each other; a fixed ring section 3 positioned between the first buckle 2A and the second buckle 2B when not connected; a movable ring section 4 positioned between the fixed ring section 3 and the second buckle 2B when not connected; a fixed-length belt section 5, a strip-shaped member that spans between the first buckle 2A and the fixed ring section 3 and whose overall length does not change; and a variable-length belt section 6, a strip-shaped member that spans between the first buckle 2A and the fixed ring section 3 via the movable ring section 4 and whose overall length can be changed.
[0022] As described above, the connecting portion 2 consists of a first buckle 2A and a second buckle 2B that can be detachably connected to each other. Referring to Figures 2A to 2C and 3A to 3B showing the unconnected state and Figures 4A to 4B showing the connected state, the first buckle 2A and the second buckle 2B each have a plate-shaped decorative surface portion 21 on which a decorative motif is applied, a connecting structure portion 22 that protrudes from the sides facing each other when the decorative surface portion 21 is connected, and a strip-shaped member support portion 23 (strip-shaped member support portion 23A of the first buckle 2A, and strip-shaped member support portion 23B of the second buckle 2B) that protrudes in a gate shape from the bottom surface (back surface) of the decorative surface portion 21.
[0023] The decorative surface portion 21 is not particularly limited in shape or design, but in this embodiment, it is formed with a symmetrical outer shape on the first buckle 2A side and the second buckle 2B side, and the decorative motif on its surface is also applied symmetrically. The decorative motif can be designed as appropriate, and it is preferable to design it with butterflies, flowers, and various other living things as motifs, or with natural objects, structures, geometric patterns, etc.
[0024] The connecting structure portion 22 protrudes from each of the design surface portions 21 in a male and female shape that allows the connecting structure portion 22A on the first buckle 2A side and the connecting structure portion 22B on the second buckle 2B side to fit together. More specifically, the connecting structure portion 22A on the first buckle 2A side protrudes in a hook shape (claw shape) toward the bottom surface in the thickness direction perpendicular to the width direction of the design surface portion 21. On the other hand, the connecting structure portion 22B on the second buckle 2B side protrudes in a gate shape that widens in the width direction toward the slanted bottom surface. As a result, in the connecting portion 2, the first buckle 2A and the second buckle 2B can be connected by inserting the connecting structure portion 22A on the first buckle 2A side into a through hole surrounded by the connecting structure portion 22B on the second buckle 2B side and the design surface portion 21, and hooking it onto the portion of the connecting structure portion 22B that extends in the width direction. In other words, the connecting section 2 employs a thickness-direction fitting structure as its connecting structure, which involves moving the hook shape formed on the first buckle 2A and the gate-shaped shape formed on the second buckle 2B in the thickness direction to engage them. In this thickness-direction fitting structure of the connecting section 2, the connection between the first buckle 2A and the second buckle 2B, which are in a connected state, can be released simply by tilting them in the opposite direction to the hooking operation used to connect them. In other words, the connecting structure part 22 constitutes a connecting structure that allows the first buckle 2A and the second buckle 2B, which are in a connected state, to be released in a single operation.
[0025] The strip member support portion 23 is formed in a gate-like shape with a width corresponding to the corresponding strip member (in this embodiment, the strip member constituting the full-length fixed belt portion 5 or the full-length variable belt portion 6 described later), and is capable of supporting the inside of the strip member that has been folded back in the portion extending in the width direction, as shown in Figures 3A, 3B, and 4B. In the embodiment, two gate-like shapes are formed for the strip member support portions 23A and 23B of the first buckle 2A and the second buckle 2B, respectively, as shown in Figure 4B. However, the number of gate-like shapes for the strip member support portion can be set as appropriate, as long as it is possible to support the inside of the folded strip member. For example, one gate-like shape may be formed for the strip member support portion, or three or more gate-like shapes may be formed.
[0026] As shown in Figure 5, the fixing ring portion 3 is made of a hard material such as metal or hard resin, and is a so-called ring for strip members that is used to connect strip members, allowing the corresponding strip member (a strip member constituting the full-length fixed belt portion 5 or the full-length variable belt portion 6 described later in this embodiment) to be inserted without bending it in the width direction. The fixing ring portion 3 consists of an oval-shaped annular portion 31 which includes a pair of opposing long side portions 31a, 31b and a semicircular short side portion 31c that connects the ends of the long side portions 31a, 31b. The fixing ring portion 3 can support the inside of the strip member that has been folded back by each of the long side portions 31a, 31b of the annular portion 31. As a result, the fixing ring portion 3 functions as a connecting ring that connects other strip members that have been folded back by each of the long side portions 31a, 31b of the annular portion 31 (a strip member constituting the full-length fixed belt portion 5 described later and a strip member constituting the full-length variable belt portion 6 described later in this embodiment) (see Figure 3A). In this embodiment, the annular portion 31 of the fixing ring portion 3 is formed in an oval shape, but it may also be formed in a rectangular shape. Furthermore, since the fixing ring portion 3 supports the fixed-length belt portion 5, which has a constant overall length and is described later, with the long side portion 31a of the annular portion 31 on the first buckle 2A side, when the leg-spreading restraint device 1 is extended in an unconnected state, its relative position to the first buckle 2A remains constant.
[0027] As shown in Figures 6A and 6B, the movable ring portion 4 is made of a hard material such as metal or hard resin, and is a so-called single ring for a strip member that is used to adjust the length of the strip member, allowing the corresponding strip member (the strip member constituting the length-adjustable belt portion 6 described later in this embodiment) to be inserted without bending it in the width direction. The movable ring portion 4 consists of an annular portion 41 in the shape of a rectangular ring, which includes a pair of opposing long side portions 41a, 41b and a pair of opposing short side portions 41c, and a rod-shaped intermediate rod portion 42 that bridges the pair of short side portions 41c of the annular portion 41 and is movable along the short side portions 41c. As shown in Figure 3C, the movable ring portion 4 holds the strip-shaped member so that it does not move below a predetermined force by passing it between the long side portion 41b on the second buckle 2B side of the annular portion 41 and the intermediate rod-shaped portion 42, and then folding it back at the intermediate rod-shaped portion 42 and passing it between the intermediate rod-shaped portion 42 and the long side portion 41a on the first buckle 2A side of the annular portion 41. Conversely, the movable ring portion 4 is held so that it can move when a predetermined force is applied in the longitudinal direction to the strip-shaped member that passes over the intermediate rod-shaped portion 42 and through the annular portion 41. Furthermore, the movable ring portion 4 can pass the annular portion 41 over the intermediate rod-shaped portion 42 with the strip-shaped member doubled, and can move the position in which it holds at least one of the double strip-shaped members. For this reason, the movable ring portion 4 can relatively change the positional relationship of the two double strip-shaped members. As a result, the movable ring portion 4 can change the relative positional relationship of the overlapping strip members by passing the folded and double-overlapping strip member (the strip member constituting the length-adjustable belt portion 6 described later in this embodiment) over the intermediate rod-shaped portion 42 and through the ring portion 41. In other words, it can change the amount of overlap by changing the folding position, and as a result, it functions as a length-adjustable ring that changes the overall length of the strip member (see Figure 3C).
[0028] As shown in Figures 2B and 3A, the full-length fixed belt section 5 is a strip-shaped member that spans between the strip-shaped member support portion 23A of the first buckle 2A and the long side portion 31a of the annular portion 31 of the fixing ring section 3 on the first buckle 2A side. The full-length fixed belt section 5 consists of an inner full-length fixed belt portion 51 on the fixing ring section 3 side and an outer full-length fixed belt portion 52 on the first buckle 2A side, and is fixed in an annular shape, so its overall length does not change.
[0029] The inner portion 51 of the full-length fixed belt is made of a fabric in which fibers are woven together in directions that intersect with each other, allowing for slight distortion in the width direction. The inner portion 51 of the full-length fixed belt is a relatively flexible portion of the full-length fixed belt 5. The inner portion 51 of the full-length fixed belt is folded inward, with the long side portion 31a on the first buckle 2A side of the annular portion 31 of the fixing ring portion 3 sandwiched inside, so that the two ends overlap tightly and are fixed to the opposing surfaces by stitching. Note that the stitching of the end of the inner portion 51 of the full-length fixed belt may be done together with the end of the outer portion 52 of the full-length fixed belt, which will be described later.
[0030] The outer portion 52 of the full-length fixing belt is not particularly limited, but since it is positioned on the front side of the thigh T when seated and is easily visible when the leg-spreading restraint device 1 is in use, it is made of a fabric that is appropriately aesthetically pleasing, and as an example, it is made of synthetic leather. The outer portion 52 of the full-length fixing belt is folded over with the band-shaped member support portion 23A of the first buckle 2A sandwiched inward, and its end is fixed by stitching to the opposing surface, sandwiching the overlapping ends of the inner portion 51 of the full-length fixing belt. As mentioned above, the stitching of the end of the outer portion 52 of the full-length fixing belt may be done together with the end of the inner portion 51 of the full-length fixing belt that is sandwiched inward.
[0031] As shown in Figures 2B and 2C, the variable-length belt section 6 is separate from the fixed-length belt section 5 and is a strip-shaped member that spans the support portion 23B of the strip-shaped member of the second buckle 2B and the long side portion 31b of the annular portion 31 of the fixing ring section 3 on the second buckle 2B side. The variable-length belt section 6 consists of an inner portion 61 of the variable-length belt on the fixing ring section 3 side and an outer portion 62 of the variable-length belt on the second buckle 2B side. As will be described in more detail later, the variable-length belt section 6 does not have an annular shape near the center, but rather has an annular shape of a fixed size at the end on the second buckle 2B side and an annular shape of a variable size at the end on the fixing ring section 3 side, thus making the overall length variable.
[0032] The inner portion 61 of the adjustable length belt is made of a fabric that can be slightly distorted in the width direction, similar to the inner portion 51 of the fixed length belt, and is a relatively flexible portion within the adjustable length belt 6. The inner portion 61 of the adjustable length belt is folded over on the fixed ring portion 3 side, with the long side portion 31b of the annular portion 31 of the fixed ring portion 3 on the second buckle 2B side sandwiched inward, and both folded portions are passed through the movable ring portion 4. In addition, one end of the inner portion 61 of the adjustable length belt, including the open end on the second buckle 2B side, is fixed to the outer portion 62 of the adjustable length belt, which will be described later, and the other end, which is folded over with the intermediate rod-shaped portion 42 of the movable ring portion 4 sandwiched inward, is fixed to the opposing surface by stitching.
[0033] To explain this state in more detail, as shown in Figure 3A, the inner portion 61 of the variable-length belt is folded back on the side of the fixing ring portion 3, with the long side portion 31b of the annular portion 31 of the fixing ring portion 3 on the second buckle 2B side sandwiched inward. The overlapping folded sides become the front belt portion 61a, which is located on the front side when the leg-spreading restraint device 1 is attached, and the back belt portion 61b, which is located on the back side. As shown in Figure 3C, the front belt portion 61a passes through the movable ring portion 4 from the back side (bottom side of Figure 3C) between the long side portion 41a of the annular portion 41 on the fixing ring portion 3 side and the intermediate rod-shaped portion 42, then passes over the intermediate rod-shaped portion 42 and through the front side (top side of Figure 3C) between the intermediate rod-shaped portion 42 and the long side portion 41b of the annular portion 41 on the second buckle 2B side. As shown in Figure 3B, the end including the open end is sandwiched in the outer portion 62 of the variable-length belt, which will be described later, and fixed by stitching. On the other hand, as shown in Figure 3C, the back belt portion 61b passes along the back surface of the front belt portion 61a, between the long side portion 41b on the second buckle 2B side and the intermediate rod-shaped portion 42, from the back side (lower side in Figure 3C), then passes beyond the intermediate rod-shaped portion 42 and between the long side portion 41a on the fixing ring portion 3 side of the annular portion 41, from the front side (upper side in Figure 3C), and the end portion 61c that has been folded back with the intermediate rod-shaped portion 42 in between is fixed to the opposing front surface of the back belt portion 61b by stitching. In this way, the end portion 61c that has been folded back with the intermediate rod-shaped portion 42 in between is treated to prevent it from lifting up in the inner portion 61 of the variable-length belt.
[0034] The outer portion 62 of the variable length belt is formed from the same fabric as the outer portion 52 of the fixed length belt, although this is not particularly limited. As shown in Figure 3B, the outer portion 62 of the variable length belt is folded over with the band-shaped member support portion 23B of the second buckle 2B sandwiched inward, and both ends are fixed by sewing together, sandwiching the open end of the outer belt portion 61a of the inner portion 61 of the variable length belt.
[0035] In this configuration, the variable-length belt section 6 has one end that is folded back at the outer portion 62 of the variable-length belt, sandwiching the strip-shaped member support portion 23B of the second buckle 2B inward, and fixed to the opposing surface. Furthermore, in the inner portion 61 of the adjustable-length belt on the other side, the front belt portion 61a passes between the long side portion 41b on the second buckle 2B side of the annular portion 41 of the movable ring portion 4 and the intermediate rod-shaped portion 42, then passes between the intermediate rod-shaped portion 42 and the long side portion 41a on the first buckle 2A side of the annular portion 41, and is folded back with the long side portion 31b on the second buckle 2B side of the fixed ring portion 3 sandwiched by the surface on the intermediate rod-shaped portion 42 side (back surface). The back belt portion 61b then passes again along the back surface of the front belt portion 61a between the long side portion 41b on the second buckle 2B side of the annular portion 41 and the intermediate rod-shaped portion 42, and then passes between the intermediate rod-shaped portion 42 and the long side portion 41a on the first buckle 2A side, and the end portion 61c, which is folded back with the intermediate rod-shaped portion 42 sandwiched inward at the end, is fixed to the surface facing inward. As a result, the length of the annular portion folded back at the fixed ring portion 3 changes by moving the relative position of the variable-length belt portion 6 with respect to the movable ring portion 4 in the longitudinal direction, thus making the overall length variable.
[0036] (How to use) Next, the method of using the leg-spreading restraint device 1 described above will be explained. User M first sits down and wraps the leg-spreading restraint device 1 around their thigh T to connect it, and adjusts the length by changing the position of the movable ring 4 to a length that can restrain the legs in a closed position. Once the length adjustment is complete, User M unconnects the leg-spreading restraint device 1, folds it up compactly, and carries it. When User M wants to maintain a closed leg position while seated, they take out the leg-spreading restraint device 1 they have carried, wrap it around their thigh T with the connecting part 2 facing forward (surface), and engage the first buckle 2A and the second buckle 2B to create the connected state shown in Figure 1. As a result, the leg-spreading restraint device 1 restrains the thigh T, supporting User M in easily maintaining a closed leg position while seated. On the other hand, when discontinuing use, user M can simply detach the connection between the first buckle 2A and the second buckle 2B, grasp the area around the first buckle 2A or the second buckle 2B, and start moving while retrieving the leg-spreading restraint 1. At this time, the leg-spreading restraint 1 can be detached from the first buckle 2A and the second buckle 2B in a single operation, and since the strip-shaped member has no gaps at the ends and the risk of snagging is low, the connection can be quickly detached and the user can stand up and start moving.
[0037] (Effects / Actions) The leg-spreading restraint device 1 described above consists of a first buckle 2A and a second buckle 2B that can be detachably connected to each other, and has a connecting part 2 that has a connecting structure that allows the first buckle 2A and the second buckle 2B, which are connected, to be disconnected in one operation. The leg-spreading restraint device 1 also includes a fixed ring part 3 having an oval ring shape, an annular part 41 having a rectangular ring shape, and a movable ring part 4 consisting of a rod-shaped intermediate rod-shaped part 42 that bridges the gap between the short side portions 41c of the annular part 41 and is movable along the short side portions 41c. Furthermore, the leg-spreading restraint device 1 includes a fixed-length belt part 5, which is a strip-shaped member that spans between the connecting part 2, the fixed ring part 3, and the movable ring part 4 and whose total length does not change, and a variable-length belt part 6, whose total length is variable by moving its relative position with the movable ring part 4 in the longitudinal direction. The fixed-length belt section 5 has one end folded back and fixed with the band member support section 23A of the first buckle 2A sandwiched inward, and the variable-length belt section 6 has one end folded back and fixed with the band member support section 23B of the second buckle 2B sandwiched inward. As a result, with the leg-spreading restraint device 1, the band members of the fixed-length belt section 5 and the variable-length belt section 6, which are connected by a fixed ring section 3 that wraps around the user M's thigh T, can have their overall length changed by the movable ring section 4 and the variable-length belt section 6. Furthermore, by connecting the connecting section 2, the band members can be connected in an annular manner. Therefore, the device functions as a tool that allows the user M to adjust the size to match their leg-closed state and restrain their thigh T, supporting the user M in maintaining a closed leg state while seated. Moreover, with this leg-spreading restraint device 1, the connecting section 2 has a connecting structure that allows it to be disconnected in a single operation, so the restraint can be released more quickly in emergencies.Furthermore, with this leg-spreading restraint device 1, the end is folded back at the fixing ring portion 3, passes again between the long side portion 41b on the second buckle 2B side of the movable ring portion 4 and the intermediate rod-shaped portion 42, then passes between the intermediate rod-shaped portion 42 and the long side portion 41a on the first buckle 2A side, and the folded end is fixed to the inwardly facing surface with the intermediate rod-shaped portion 42 sandwiched inside. In other words, the end is folded back at the fixing ring portion 3 and sandwiched between the overlapping strip-shaped members, fixed to the inside and not floating, so the risk of the end getting tangled or caught on something is low, and the user M can easily retrieve it in an emergency and move quickly.
[0038] As a result, the leg-spreading restraint device 1 is designed to support user M in maintaining a closed-leg position while seated, and to allow for more reliable and quick release from restraint and movement in emergencies.
[0039] In the leg-spreading restraint device 1, the full-length fixed belt portion 5 consists of an inner full-length fixed belt portion 51, which is the portion that is folded back on either side of the fixed ring portion 3, and an outer full-length fixed belt portion 52, which is the portion that is folded back on either side of the strip-shaped member support portion 23A of the first buckle 2A, and is fixed by sandwiching the surfaces of both ends of the inner full-length fixed belt portion 51. In addition, in the leg-spreading restraint device 1, the variable-length belt portion 6 consists of an inner full-length variable belt portion 61, which is the portion that is folded back on either side of the fixed ring portion 3, and an outer full-length variable belt portion, which is the portion that is folded back on either side of the strip-shaped member support portion 23B of the second buckle 2B, and is fixed by sandwiching both sides of the open end of the inner full-length variable belt portion. According to the leg-spreading restraint device 1, the full-length fixed belt portion 5 and the full-length variable belt portion 6 that constitute the band-shaped member are each configured as an outer portion (52, 62) and an inner portion (51, 61), with the part closer to the connecting portion 2 and easily visible during use being separated from the other parts. This allows for the use of different materials for each part, making it easier to meet customer demands. For example, by configuring the outer portion with an emphasis on appearance and the inner portion with an emphasis on wearing comfort, it becomes easier to meet customer demands for a balance between appearance and wearing comfort.
[0040] Furthermore, the leg-spreading restraint device 1 employs a thickness-direction fitting structure as its connecting structure, which involves fitting together a hook shape formed on the first buckle 2A that protrudes in the thickness direction perpendicular to the width direction with a gate-shaped shape formed on the second buckle 2B that widens in the width direction. This thickness-direction fitting structure has a simple structure and, unlike the connecting structure of so-called one-touch mechanical buckles that utilize flex, has a low risk of failure or damage preventing the connection from being released in an emergency. For this reason, the leg-spreading restraint device 1 maintains a highly reliable state in which the restraint can be released more reliably.
[0041] Furthermore, in the leg-spreading restraint device 1, the inner portion 51 of the fixed-length belt portion 5 and the inner portion 61 of the variable-length belt portion 6 are made of a fabric that can be distorted in the width direction, as fibers are woven together in directions that intersect each other. Therefore, with the leg-spreading restraint device 1, even if one thigh T moves slightly relative to the other thigh T when the legs are closed, this distortion in the width direction absorbs the movement, reducing friction between the thigh T and the belt member, thus improving the wearing comfort.
[0042] Furthermore, with this leg-spreading restraint device 1, the first buckle 2A and the second buckle 2B have decorative surface parts 21 on which decorative motifs are applied, thus improving the fashionability.
[0043] (Other forms) Although the present invention has been described above based on the above embodiments, the present invention is not limited to the above embodiments. It can be implemented in various forms without departing from the spirit of the invention, and for example, the following modifications are also possible.
[0044] (1) The number, material, position, orientation, size, shape, etc. of the components described in the above embodiments are illustrative examples and can be changed within the scope that does not impair the effects of the present invention.
[0045] (2) In the above-described embodiment, the connecting structure of the connecting portion 2 was described as a thickness-direction fitting structure composed of a connecting structure portion 22A having a hook shape that protrudes toward the thickness direction on the first buckle 2A side, and a gate-shaped connecting structure portion 22B that protrudes toward the width direction in the thickness direction on the second buckle 2B side in a gate-shaped shape, but the present invention is not limited thereto. The connecting structure may be, for example, a thickness-direction fitting structure in which the first buckle side is formed in a gate shape and the second buckle side is formed in a hook shape. Alternatively, for example, it may be a width-direction fitting structure in which a hook that protrudes toward the width direction formed on one of the buckles of the first buckle and the second buckle is fitted with a through hole or hole facing the width direction formed on the other buckle of the first buckle and the second buckle. Alternatively, for example, it may be a magnet structure in which a permanent magnet attached to one of the buckles of the first buckle and the second buckle is magnetically coupled with a permanent magnet or magnetic material attached to the other buckle of the first buckle and the second buckle.
[0046] (3) In the embodiments described above, the ends of the fixed-length belt portion 5 and the variable-length belt portion 6, which are strip-shaped members, were fixed by sewing, but the present invention is not limited thereto. The ends of the strip-shaped members only need to be fixed so as not to lift from the opposing surface, and may be fixed by, for example, heat sealing, adhesive, crimping, or button fastening.
[0047] (4) In the drawings of the embodiments described above, the fixed-length belt section 5 and the variable-length belt section 6 had a constant width and no pads or other attachments were present. However, for belt-shaped members such as the fixed-length belt section and the variable-length belt section, the width, thickness, material, attachments, etc., should be set appropriately, taking into consideration the protection of the contact surface and the feeling of wearing them. [Explanation of symbols]
[0048] 1... Leg-spreading restraint, 2... Connecting part, 2A... First buckle, 2B... Second buckle, 3... Fixing ring part, 4... Movable ring part, 5... Full-length fixed belt part, 6... Full-length variable belt part, 21... Design surface part, 22, 22A, 22B... Connecting structure part, 23, 23A, 23B... Band-shaped member support part, 31... Annular part, 31a... Long side part (on the first buckle side), 31b... Long side part (on the second buckle side), 31c... Short side Part, 41...ring portion, 41a...long side portion (on the first buckle side), 41b...long side portion (on the second buckle side), 41c...short side portion, 42...intermediate rod-shaped portion, 51...inner portion of the fixed-length belt, 52...outer portion of the fixed-length belt, 61...inner portion of the adjustable-length belt, 61a...front belt portion, 61b...back belt portion, 61c...end portion, 62...outer portion of the adjustable-length belt, M...user, T...thigh
Claims
1. A leg-spreading restraint device comprising a strip-shaped member that is flexible at least in the thickness direction, which is attached to the thighs of a seated user to restrain leg spreading, Each of the following is a connecting part having a plate-shaped portion, a connecting structure portion protruding from the plate-shaped portion, and a strip-shaped member support portion that protrudes in a gate shape from the back surface of the plate-shaped portion and supports the inside of the folded strip-shaped member, and comprising a first buckle and a second buckle that can detachably connect the connecting structure portions to each other, and having a connecting structure that allows the first buckle and the second buckle, which are in a connected state, to be disengaged and unconnected in a single operation while changing at least the relative positional relationship in the thickness direction and the relative inclination relationship in the thickness direction, A fixing ring portion made of a rigid material, through which the strip-shaped member can be inserted without bending it in the width direction, and having an oval or rectangular ring shape including a pair of opposing long side portions, A movable ring portion comprising a rigid member, an annular portion having a rectangular ring shape including a pair of opposing long side portions and a pair of opposing short side portions, through which the strip-shaped member can be inserted without bending in the width direction, and a rod-shaped intermediate rod portion that bridges the pair of short side portions of the annular portion and is movable along the short side portions of the annular portion, One of the aforementioned strip-shaped members is a full-length fixed belt portion, in which one side is folded back with the strip-shaped member support portion of the first buckle sandwiched inward, and the other side is folded back with the long side portion of the fixing ring portion on the first buckle side sandwiched inward and fixed, so that the overall length does not change. This is another strip-shaped member separate from the aforementioned fixed-length belt portion, one side of which is folded back with the strip-shaped member support portion of the second buckle sandwiched inward and its end fixed to an opposing surface, and the other side which passes between the long side portion of the annular portion of the movable ring portion on the second buckle side and the intermediate rod-shaped portion, then passes between the intermediate rod-shaped portion and the long side portion of the annular portion on the first buckle side, the long side portion of the fixed ring portion on the second buckle side is sandwiched by the surface on the intermediate rod-shaped portion side and folded back, passes again between the long side portion of the annular portion of the movable ring portion on the second buckle side and the intermediate rod-shaped portion, then passes between the intermediate rod-shaped portion and the long side portion of the first buckle side, and its end which is folded back with the intermediate rod-shaped portion of the movable ring portion sandwiched inward is fixed to an opposing surface on the inside, and the overall length is variable by moving the relative position with respect to the movable ring portion in the longitudinal direction, Equipped with, The aforementioned full-length fixing belt portion consists of an inner portion of the full-length fixing belt portion which is relatively flexible and is folded over to sandwich the fixing ring portion, and an outer portion of the full-length fixing belt portion which is folded over to sandwich the band-shaped member support portion of the first buckle and is fixed by sandwiching both ends of the overlapping inner portion of the full-length fixing belt. The variable length belt portion consists of an inner portion of the variable length belt, which is relatively flexible and is folded over while sandwiching the fixing ring portion, and an outer portion of the variable length belt, which is folded over while sandwiching the band-shaped member support portion of the second buckle and is fixed by sandwiching both sides of the open end of the inner portion of the variable length belt. As the connecting structure, a thickness-direction fitting structure is employed in which a hook shape formed on one of the first buckle and the second buckle, which protrudes in the thickness direction perpendicular to the width direction, is fitted with a gate-shaped shape formed on the other of the first buckle and the second buckle, which widens in the width direction. A leg-spreading restraint device characterized by the following features.
2. In the leg-spreading restraint device according to claim 1, The ends of the fixed-length belt portion and the variable-length belt portion are secured by at least one of the following methods: sewing, heat sealing, adhesive, riveting, and button fastening. Leg-spreading restraint device.
3. In the leg-spreading restraint device according to claim 1, The inner portion of the fixed-length belt section and the inner portion of the variable-length belt section are formed from a fabric that can be distorted in the width direction, by weaving together fibers that are aligned in directions that intersect each other. Leg-spreading restraint device.
4. In the leg-spreading restraint device according to any one of claims 1 to 3, The first buckle and the second buckle each have a plate-like portion which has a decorative surface portion on which a decorative motif is applied. Leg-spreading restraint device.
Citation Information
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