JP7129124B1 - Clasps for neck-mounted devices - Google Patents

Abstract

An object of the present invention is to provide a fastener for a neck-mounted device that is inexpensive and has a simple structure. A clasp (1) for attaching a neck-hung type device (100) having two arm portions (110, 120) that can be arranged at positions sandwiching the user's neck. A pair of engaging members 10 and 20 are provided which can be attached to each of the portions 110 and 120 and which can be engaged with each other on the front side of the user when the neck device 100 is worn. [Selection drawing] Fig. 1

Description

The present invention relates to fasteners used to attach neck-mounted devices.

The applicant of the present application has proposed a neck-mounted device that is worn around the wearer's neck as a type of so-called wearable device (Patent Documents 1 and 2). The neck-hanging type device proposed by the applicant of the present application has two arms that can be arranged at positions sandwiching the user's neck, and each arm is equipped with a microphone, a camera, various sensors, etc. is.

Japanese Patent No. 6786139 Japanese Patent No. 6719140 Japanese Patent No. 6912135

By the way, the neck type device has a structure that is assumed to be worn on the shoulders of the user. It is expected to perform various actions such as bending over. If the user performs such an operation, there is a risk that the position of the neck-hanging device may become displaced. In particular, the neck-hanging type device proposed by the applicant of the present application has a camera mounted on the tip surface of the arm, and is characterized by photographing the scenery in front of the user. If the mounting position of the mold device is misaligned, a problem arises in that what the user sees and the scenery captured by the camera are different.

As one of means for solving such problems, the applicant of the present application has proposed a garment for wearing a neck-mounted device around the user's neck (Patent Document 3). Such clothing has the advantage that the neck-hanging device can be stably fixed around the user's neck, but it also has the problem that the manufacturing cost is high and it takes time and effort to put on the clothing. For this reason, it can be said that convenience for the user will be enhanced if there is another option other than such clothing that is cheaper and easier to wear.

SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide a fastener for a neck-mounted device that is inexpensive and has a simple structure.

The present invention relates to a clasp 1 used when wearing a neck-mounted device 100 around the user's neck. The neck-hanging device 100 includes two arms 110 and 120 that can be arranged at positions sandwiching the user's neck. The neck-worn device 100 is a type of wearable device, and is an electronic device equipped with a microphone, a camera, various sensors, and the like. The subject of the present invention is the fastener 1 for assisting the wearing of the neck-mounted device 100, and the neck-mounted device 100 itself is not included in the present invention. In the specification of the present application, the term "fastener" has the meaning of a set including a plurality of members. Here, the fastener 1 according to the present invention comprises a pair of engaging members 10,20. The pair of engaging members 10 and 20 are configured to be attachable to left and right arm portions 110 and 120 of the neck-hanging device 100, respectively. Furthermore, the pair of engaging members 10 and 20 are configured to engage with each other on the front side of the user when the neck-hanging device 100 is worn.

By engaging the pair of engaging members 10 and 20 on the front side of the user as in the above configuration, even with the inexpensive and simple fastener 1, the neck-hanging type device 100 can be stably placed around the user. can be placed in That is, the neck-hung type device 100 has a U-shaped structure when viewed from above, and by attaching the pair of engaging members 10 and 20 to the neck-hung type device 100, the pair of engaging members 10 and 20 can be engaged. The joint members 10 and 20 and the neck-hanging type device 100 can surround the entire circumference of the user's neck. Therefore, even when the user walks, bends forward, or bends backward while wearing the neck-hanging device 100, the neck-hanging device 100 can be prevented from coming off from the user's neck.

In the fastener 1 according to the present invention, the pair of engaging members 10 and 20 preferably have mounting portions 11 and 21, extension portions 12 and 22, and engaging means 30, respectively. The attachment portions 11 and 21 are portions that can be detachably attached to the left and right arm portions 110 and 120 of the neck-mounted device 100 . When the mounting portions 11 and 21 are mounted near the tips of the left and right arms 110 and 120, the extending portions 12 and 22 extend from the mounting portions 11 and 21 beyond the ends of the left and right arms 110 and 120. It is a part that can be extended. Engagement means 30 are provided on the extensions 12 and 22 . That is, the engaging means 30 of the pair of engaging members 10 and 20 are engaged with each other. In this way, by providing the engaging means 30 on the extending portions 12 and 22 of the pair of engaging members 10 and 20, the user can engage the engaging means 30 with each other on the front side (around the front of the chest). Therefore, it becomes easy to wear the neck-mounted device 100 using the fastener 1 .

In the fastener 1 according to the present invention, the engaging means 30 may be a combination of the protrusion 31 and the hole 32 . It should be noted that one protrusion 31 and one hole 32 can be provided, a plurality of holes 32 can be provided for one protrusion 31, and a plurality of protrusions 31 and holes 32 can be provided. can also In this case, the protrusion 31 is provided on one of the pair of engaging members 10 and 20, and the hole 32 is provided on the other of the pair of engaging members 10 and 20. As shown in FIG. As a result, the fastener 1 for the neck-mounted device 100 can be realized with a simple structure.

In the fastener 1 according to the present invention, the engaging means 30 may be a combination of the magnets 33 or a combination of the magnet 33 and the magnetic body 34 . In addition, in the case of the combination of the magnets 33, both are arranged so as to attract each other. The magnet 33 is preferably a permanent magnet, but may be an electromagnet. As the magnetic body 34, a material (iron, nickel, cobalt, etc.) having a property to be attracted to the magnet 33 is used. In this case, the magnet 33 is provided on one of the pair of engaging members 10 and 20, and the magnet 33 or the magnetic body 34 attracted thereto is provided on the other of the pair of engaging members 10 and 20. FIG. As a result, the fastener 1 for the neck-mounted device 100 can be realized with a simple structure. Also, by realizing the engaging means 30 with a magnet or the like, it becomes easier for the user to perform an operation to engage the pair of engaging members 10 and 20 .

In the present invention, it is assumed that the neck-mounted device 100 has a body portion 130 that connects the two arm portions 110 and 120 at a position corresponding to the back of the user's neck. In this case, the fastener 1 according to the present invention may further include anti-slip means 40 that can be attached to the portion of the main body 130 facing the user. As a result, it is possible to prevent the wearing position of the neck-worn device 100 from being deviated due to the user's motion.

In the fastener 1 according to the present invention, the non-slip means 40 is preferably one or a plurality of annular members 41 and 42 that can be wound around the body portion 130 . As a result, by simply winding the ring-shaped members 41 and 42, it is possible to suppress the displacement of the mounting position of the neck-mounted device 100. FIG. In particular, the body portion 130 of the neck-mounted device 100 may be equipped with a contact sensor, a speaker, and the like. can be avoided.

ADVANTAGE OF THE INVENTION According to this invention, the fastener for a neck-hanging type apparatus can be implement|achieved by a cheap and simple structure.

FIG. 1 is a perspective view showing a state in which the fastener according to the first embodiment is opened. FIG. 2 is a perspective view showing a closed state of the fastener according to the first embodiment. FIG. 3 is a rear view showing a state in which the fastener according to the first embodiment is closed; FIG. 4 is a perspective view showing a state in which the fastener according to the second embodiment is opened. FIG. 5 is a perspective view showing a closed state of the fastener according to the second embodiment. FIG. 6 is a rear view showing a state in which the fastener according to the second embodiment is closed.

EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing this invention is demonstrated using drawing. The present invention is not limited to the embodiments described below, and includes appropriate modifications within the scope obvious to those skilled in the art from the following embodiments.

[1. Neck hanging type device]
First, an example of a neck-mounted device 100 to which the fastener 1 according to the present invention can be attached will be described. For this neck-mounted device 100, the configurations described in Patent Document 1 (Japanese Patent No. 6786139) and Patent Document 2 (Japanese Patent No. 6719140) can be referred to. Since this neck-mounted device 100 is provided with a plurality of sound collectors (microphones), it is possible to record voices uttered by the wearer or the interlocutor. In addition, since the neck-mounted device 100 includes an imaging unit (camera), it can capture an image of the scenery in front of the user while the device is worn by the user. The hardware of the neck-mounted device 100 will be mainly described below.

For example, as shown in FIGS. 1 to 3, the housing that constitutes the neck-mounted device 100 includes a left arm 110, a right arm 120, and a main body 130. As shown in FIG. The left arm portion 110 and the right arm portion 120 extend forward from the left end and the right end of the main body portion 130, and the neck-hanging type device 100 has a substantially U-shaped structure as a whole when viewed from above. there is When wearing the neck-hanging type device 100, the body portion 130 is brought into contact with the back of the neck of the wearer, and the left arm portion 110 and the right arm portion 120 are hung from the side of the wearer's neck toward the chest side. All you have to do is hang it around your neck. Various electronic components are stored in the housing of the neck-mounted device 100 .

A plurality of sound collectors (microphones) 140 are provided on each of the left arm 110 and the right arm 120 . As each sound collecting unit 140, a known microphone such as a dynamic microphone, a condenser microphone, or a MEMS (Micro-Electrical-Mechanical Systems) microphone may be adopted. The sound collecting unit 140 is arranged mainly for the purpose of acquiring the voices of the wearer and his interlocutor. As shown in FIG. 1, it is preferable to provide three sound collectors 140 on each of the left arm 110 and the right arm 120 . However, the number of sound collectors 140 of left arm 110 and right arm 120 is not limited to this, and can be selected within a range of 1 to 4, for example. The sound signals acquired by these sound collectors 140 are transmitted to the controller (main CPU) provided in the main body 130 and subjected to predetermined analysis processing. Further, the body portion 130 is internally provided with a control system such as an electronic circuit including such a control portion and a battery.

Further, an operation section 150 is provided on the left arm section 110 . The operation unit 150 receives an operation input by the wearer. As the operation unit 150, a known switch circuit, touch panel, or the like can be adopted. The operation unit 150 performs, for example, an operation for instructing start or stop of voice input, an operation for instructing to turn on or off the power of the device, an operation for instructing to increase or decrease the volume of the speaker, and other functions of the neck-worn device 100. accepts the operations required for

An imaging unit 160 is further provided on the left arm 110 . Specifically, an imaging unit 160 is provided on the distal end surface of the left arm 110, and the imaging unit 160 can capture a still image or a moving image of the front side of the wearer. A general digital camera may be adopted as the imaging unit 160 . The imaging unit 160 includes, for example, a photographing lens, a mechanical shutter, a shutter driver, a photoelectric conversion element such as a CCD image sensor unit, a digital signal processor (DSP) that reads the charge amount from the photoelectric conversion element and generates image data, and an IC memory. Configured. The imaging unit 160 also includes an autofocus sensor (AF sensor) that measures the distance from the photographic lens to the subject, and a mechanism for adjusting the focal length of the photographic lens according to the distance detected by the AF sensor. is preferred. In addition, it is preferable that the imaging unit 160 has a so-called wide-angle lens. The image acquired by the imaging unit 160 is transmitted to the control unit in the main unit 130 and stored as image data. Also, the image acquired by the imaging unit 160 may be transmitted to the server device via the Internet.

The right arm portion 120 is further provided with a non-contact sensor portion 170 . The sensor section 170 is arranged on the tip surface of the right arm section 120 mainly for the purpose of detecting the movement of the wearer's hand on the front side of the neck-worn device 100 . The detection information of the sensor unit 170 is mainly used for controlling the imaging unit 160 such as activation of the imaging unit 160 and start/stop of shooting. For example, the sensor unit 170 may control the imaging unit 160 by detecting that an object such as a wearer's hand is approaching the sensor unit 170 , or may control the image pickup unit 160 . The imaging unit 160 may be controlled by detecting that the has performed a predetermined gesture. Examples of sensor unit 170 are proximity sensors or gesture sensors. The proximity sensor detects, for example, that the wearer's fingers have come within a predetermined range. As the proximity sensor, a known sensor such as an optical sensor, an ultrasonic sensor, a magnetic sensor, a capacitance sensor, or a temperature sensing sensor can be used. The gesture sensor detects, for example, the motion and shape of the wearer's fingers. An example of a gesture sensor is an optical sensor that emits light from an infrared light emitting LED toward an object and detects the movement and shape of the object by capturing changes in the reflected light with a light receiving element. It is also possible to use information detected by the sensor unit 170 to activate the imaging unit 160, the sound collecting unit 140, and/or the control unit (main CPU). In this embodiment, the imaging unit 160 is arranged on the distal end surface of the left arm 110, and the sensor unit 170 is arranged on the distal surface of the right arm unit 120. However, the positions of the imaging unit 160 and the sensor unit 170 are exchanged. is also possible.

The left arm portion 110 and the right arm portion 120 described above are connected by a main body portion 130 provided at a position that contacts the back of the wearer's neck. Electronic components such as a processor and a battery are housed in the main body 130 . For example, the main body 130 incorporates a control device such as a circuit board and a CPU, a storage device such as a memory and storage, a communication device, and various sensor devices. As shown in FIG. 1, the housing that constitutes the main body 130 has a substantially flat shape, and can accommodate a planar (plate-shaped) circuit board and a battery. Further, the body portion 130 has a hanging portion 131 extending downward from the left arm portion 110 and the right arm portion 120 . By providing the main body portion 130 with the hanging portion 131, a space for installing the control system circuit is secured. In addition, control system circuits are centrally mounted on the body portion 130 . Therefore, when the total weight of the neck-mounted device 100 is 100%, the weight of the main body 130 accounts for 40 to 80% or 50% to 70%. By arranging such a heavy main body part 130 on the back of the wearer's neck, the stability during wearing is improved. In addition, by arranging the heavy body portion 130 at a position close to the trunk of the wearer, the burden imposed on the wearer by the weight of the entire device can be reduced.

Further, a proximity sensor 180 is provided inside the body portion 130 (on the side of the wearer). The proximity sensor 180 is for detecting the approach of an object, and when the neck-hanging type device 100 is worn around the wearer's neck, the proximity sensor 180 detects the approach of the neck. Therefore, when the proximity sensor 180 detects the proximity of an object, devices such as the sound collector 140, the imaging unit 160, and the sensor unit 170 are turned on (driving state) so that the proximity sensor 180 detects the proximity of the object. , these devices are turned off (sleep state) or cannot be activated. As a result, power consumption of the battery can be efficiently suppressed. As the proximity sensor 180, a known one can be used. It is preferable to provide a transparent portion. As the proximity sensor 180, a known sensor such as an optical sensor, an ultrasonic sensor, a magnetic sensor, a capacitance sensor, or a temperature sensing sensor can be used.

Further, as shown in FIG. 3, a sound emitting part 190 (speaker) is provided on the outside of the main body part 130 (opposite side of the wearer). Sound emitting portion 190 is arranged to output sound toward the outside of body portion 130 .

As a structural feature of the neck-worn device 100, for example, as shown in FIGS. 1 to 3, the neck-worn device 100 does not have a display device such as a display or a monitor. For this reason, the user refers to the audio guide output from the sound emitting unit 190 and uses the operation unit 150 and the non-contact sensor unit 170 to perform operations such as turning on/off each hardware element. It will be done.

[2. clasp]
Next, the clasp 1 for attaching the neck-mounted device 100 described above to the user's neck will be described. The fastener 1 according to the present invention is assumed to be used exclusively for the approximately U-shaped neck-mounted device 100 .

[2-1. First Embodiment of Fastener]
1 to 3 show a first embodiment of a fastener 1 according to the invention. As shown in these figures, the fastener 1 according to this embodiment includes a first engaging member 10 and a second engaging member 20 that are paired with each other. As the materials forming the first and second engaging members 10 and 20, respectively, elastic materials such as silicone rubber and elastomer, which have stretchability and have a constant coefficient of friction, are adopted. Therefore, the first and second engaging members 10 and 20 are elastically deformable and have a certain anti-slip effect.

As shown in FIG. 1 and the like, the first and second engaging members 10 and 20 have attachment portions 11 and 21 and extension portions 12 and 22, respectively. These mounting portions 11, 21 and extension portions 12, 22 are integrally molded.

The attachment portions 11 and 21 are portions for attachment to the arm portions 110 and 120 of the neck-mounted device 100 . That is, the mounting portion 11 of the first engaging member 10 is mounted on the left arm portion 110 of the neck-mounted device 100, and the mounting portion 21 of the second engaging member 20 is mounted on the right arm portion 120 of the neck-mounted device 100. be done. In this embodiment, the first and second engaging members 10, 20 are formed in an annular or tubular shape with an opening at the center. The first and second engaging members 10 and 20, including the mounting portions 11 and 21, are entirely made of an elastic material that is stretchable. Therefore, by elastically deforming the attachment portions 11 and 21 to enlarge the opening, the arm portions 110 and 120 of the neck-mounted device 100 can be inserted into the opening. Thereafter, by canceling the extended state of the mounting portions 11 and 21 and reducing the opening thereof, the mounting portions 11 and 21 are held by the arm portions 110 and 120 of the neck-hanging type device 100 by contraction force obtained at the time of recovery. be done.

The positions at which the first and second engaging members 10 and 20 are attached are preferably near the tips of the arms 110 and 120 of the neck-mounted device 100 . Specifically, an imaging unit 160 and a sensor unit 170 are provided at the tip of each arm 110, 120 of the neck-mounted device 100, and a sound collecting unit 140 and an operation sensor are provided at the middle of each arm 110, 120. A section 150 is provided. The mounting portions 11 and 21 of the first and second engaging members 10 and 20 are preferably mounted at positions that do not interfere with these various devices. For example, as shown in FIG. 1, between the imaging unit 160 and the sound collecting unit 140, or between the sensor unit 170 and the sound collecting unit 140, mounting portions of the first and second engaging members 10 and 20 11 and 21 should be located. More specifically, the mounting portions 11 and 21 of the first and second engaging members 10 and 20 are positioned within a range of about 5 to 30 mm from the imaging portion 160 and the sound collecting portion 140 provided on the tip surface. preferably.

When the first and second engaging members 10 and 20 are attached to the arms 110 and 120 of the neck device 100, the extensions 12 and 22 extend from the attachment portions 11 and 21 to the arms 110. , 120 extending beyond the end. The extending portions 12 and 22 are plate-shaped and extend from the annular or tubular mounting portions 11 and 21 . Specifically, the first engaging member 10 is formed with a first extending portion 12 , and the second engaging member 20 is formed with a second extending portion 22 . When the first and second engaging members 10 and 20 are attached near the tips of the arms 110 and 120 of the neck-hanging device 100, the extensions 12 and 22 of the extensions 12 and 22 It has a length such that the ends overlap. Further, each of the extending portions 12 and 22 is also made of an elastic material that can expand and contract similarly to the mounting portions 11 and 21 . Therefore, the ends of the extensions 12 and 22 can be superimposed while deforming the extensions 12 and 22 .

As shown in FIG. 1 and the like, engaging means 30 are provided on the extending portions 12 and 22 of the first and second engaging members 10 and 20 . The engaging means 30 is a means for detachably engaging the extending portions 12 and 22 when they are overlapped.

In the first embodiment shown in FIGS. 1 to 3, the engaging means 30 employs a combination of a protrusion 31 and a plurality of holes 32 into which the protrusion 31 is fitted. That is, the extension 12 of the first engaging member 10 is formed with a protrusion 31 at a position facing the second engaging member 20 . On the other hand, the extending portion 22 of the second engaging member 20 is formed with a plurality of holes 32 at positions where the protrusions 31 can be fitted. The plurality of holes 32 are arranged along the longitudinal direction of the extending portion 22 of the second engaging member 20 . Therefore, the user can select the hole 32 into which the protrusion 31 is fitted when wearing the neck-hanging device 100 to which the first and second engaging members 10 and 20 are attached. Thereby, the user can select one suitable hole 32 for fitting the protrusion 31 from among the plurality of holes 32 according to his/her physique and the clothes he/she wears.

2 and 3 show a state in which the protrusion 31 is fitted into the hole 32. FIG. As shown in these figures, when the neck-mounted device 100 is worn, the first and second engaging members 10 and 20 are engaged with each other on the front side of the user. When the first and second engaging members 10 and 20 are engaged, the space between the tips of the left arm 110 and the right arm 120 of the neck device 100 is closed. That is, although the main body of the neck-mounted device 100 is substantially U-shaped in a plan view, the neck-mounted device 100 having the first and second engaging members 10 and 20 attached and engaged with each other has a flat surface. It has a substantially O shape when viewed. As a result, the user's neck can be entirely surrounded by the neck-hanging device 100 and the engaging members 10 and 20 . As a result, unless the engaging members 10 and 20 are removed from the neck-hanging device 100 or the engagement between the engaging members 10 and 20 is released, the neck-hanging device 100 falls off from the user's neck. will be gone. This allows the user to stably wear the neck-worn device 100 .

In this embodiment, the fastener 1 may further include anti-slip means 40 . The non-slip means 40 suppresses displacement of the wearing position of the neck-worn device 100 by increasing the frictional resistance between the main body 130 of the neck-worn device 100 and the back of the user's neck (or its clothes). It is a means for Therefore, the non-slip means 40 is attached to at least a portion of the body portion 130 of the neck-hanging device 100 that faces the back of the user's neck.

As shown in FIGS. 1 to 3, in this embodiment, two annular members 41 and 42 are employed as anti-slip means 40. As shown in FIG. As with the engaging members 10 and 20 described above, the annular members 41 and 42 are made of an elastic material such as silicone rubber having stretchability and a constant coefficient of friction. Therefore, in a state in which the annular members 41 and 42 are extended to widen the opening, the body portion 130 of the neck-mounted device 100 is inserted into the opening. Thereby, the annular members 41 and 42 can be attached to the body portion 130 of the neck-mounted device 100 . In addition, as described above, the body portion 130 of the neck-mounted device 100 is provided with the proximity sensor 180 and the sound emitting portion 190. With the annular members 41 and 42, these sensors, etc. A non-slip effect can be imparted to the body portion 130 without interfering with the .

[2-2. Second Embodiment of Fastener]
Next, a second embodiment of the fastener 1 according to the present invention will be described with reference to FIGS. 4 to 6. FIG. The second embodiment will be described with a focus on the configuration different from the above-described first embodiment, and the same configurations as in the first embodiment will be given the same reference numerals, and the description thereof will be omitted.

As shown in FIGS. 4 to 6, in the fastener 1 according to the second embodiment, the engagement means 30 between the first and second engagement members 10 and 20 includes projections 31 and holes 32. A combination of a magnet 33 and a magnetic body 34 is adopted instead of the combination of . That is, the magnet 33 is attached to the extending portion 12 of the first engaging member 10 attached to the left arm portion 110 of the neck-mounted device 100 , and the magnet 33 is attached to the right arm portion 120 of the neck-mounted device 100 . A magnetic body 34 that is attracted to the magnet 33 is attached to the extending portion 22 of the second engaging member 20 . By attracting the magnet 33 and the magnetic body 34 , the first engaging member 10 and the second engaging member 20 can be engaged on the front side of the user wearing the neck-mounted device 100 .

By adopting the combination of the magnet 33 and the magnetic body 34 as the engaging means 30, the user can more easily engage the first magnetic body than the combination of the protrusion 31 and the hole 32 described in the first embodiment. , the engaging member 10 and the second engaging member 20 can be engaged.

In the example shown in FIG. 4 and the like, the magnet 33 is provided in the first engaging member 10 and the magnetic body 34 is provided in the second engaging member 20, but these magnets 33 and the magnetic body 34 position can be exchanged. It is also possible to employ another magnet instead of the magnetic body 34 . In this case, the polarities of the two magnets should be adjusted so that the magnet of the first engaging member 10 and the magnet of the second engaging member 20 do not repel each other.

In the specification of the present application, the embodiments of the present invention have been described with reference to the drawings in order to express the content of the present invention. However, the present invention is not limited to the above embodiments, and includes modifications and improvements that are obvious to those skilled in the art based on the matters described in this specification.

REFERENCE SIGNS LIST 1 fastener 10 first engaging member 11 mounting portion 12 extending portion 20 second engaging member 21 mounting portion 22 extending portion 30 engaging means 31 projection 32 hole Part 33... Magnet 34... Magnetic body 40... Anti-slip means 41... First annular member 42... Second annular member 100... Neck hanging type device 110... Left arm part 120... Right arm part 130... Body part 131... Drooping part 140 Sound collector 150 Operation unit 160 Imaging unit 170 Sensor unit 180 Proximity sensor 190 Sound emission unit

Claims (6)

A fastener set (1) for wearing a neck-hung type device (100) having two arms (110, 120) that can be arranged at positions sandwiching the user's neck around the user's neck. hand,
a pair of engaging members (10, 20) that can be attached to each of the left and right arms and that can be engaged with each other on the front side of the user when the neck-hanging device is worn ;
Each of the pair of engaging members is
mounting portions (11, 21) detachably attachable to the left and right arms;
extending portions (12, 22) extending from the mounting portion beyond the ends of the left and right arms;
and an engaging means (30) provided on the extension,
The attachment portion and the extension portion are integrally molded.
fastener set . 2. The fastener set according to claim 1, wherein said attachment portion and said extension portion are made of a stretchable elastic material . The engaging means is a combination of a protrusion (31) and a hole (32),
2. The fastener set according to claim 1 , wherein the protrusion is provided on one of the pair of engaging members, and the hole is provided on the other of the pair of engaging members. The engaging means is a combination of magnets (33) or a combination of a magnet and a magnetic body (34),
The fastener set according to claim 1 , wherein the magnet is provided on one of the pair of engaging members, and the magnet or the magnetic body is provided on the other of the pair of engaging members. The neck-hung type device has a main body (130) that connects the two arms at a position corresponding to the back of the user's neck,
The fastener set of claim 1, further comprising anti-slip means (40) attachable to the user facing portion of the body portion (130). A fastener set according to claim 5, wherein said non-slip means comprises one or more annular members (41, 42) wrappable around said body.

Images