Wrist device

Abstract

To fix an exterior member such as a bezel to a case without increasing the number of components.SOLUTION: A timepiece 100, which is a wrist device, includes: a device case 1 having a band attachment portion 13 in which a "first through-hole 131" is formed; an exterior member (bezel) 4 covering at least a part of an upper surface side of the device case 1 and having a connecting portion 421 in which a "second through-hole 422" communicating with the "first through-hole 131" is formed when the device is assembled to the device case 1; a spring rod 7 penetrating the "first through-hole 131" and the "second through-hole 422" in a communicating state from one side to the other side and provided such that the distal end portion (protruding end portion) 71 protrudes to the one side and the other side; and the bow end member 5, which is a case attachment portion on the band 2 side having the through-hole 521 that is a locking hole receiving each distal end portion (protruding end portion) 71 of the spring rod 7.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a wrist instrument. [Background technology]

[0002] For example, Patent Document 1 describes a configuration in which a hole (pivot hole in Patent Document 1) is formed in the attachment end of the band (the tip lug of Patent Document 1), and a pin (pivot 15L in Patent Document 1) passing through a hole (spring bar attachment hole in Patent Document 1) on the case (watch case of Patent Document 1) is fitted into the hole (pivot hole in Patent Document 1) in the attachment end of the band (the tip lug of Patent Document 1), thereby connecting the case (watch case of Patent Document 1) and the band. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 8-332106 Summary of the Invention [Problem to be solved by the invention]

[0004] The cases of wristwatches and other such devices may be equipped with exterior components such as bezels. When connecting a device equipped with such an exterior component and case to a band, if screws are used to secure the exterior components to the case and additional screws are used to attach the band to the device equipped with the exterior component and case, the number of screw components increases. Also, space is required to secure the screw holes. Furthermore, having the screws visible on the exterior is undesirable from a design perspective, resulting in design restrictions. In this regard, Patent Document 1 does not mention the use of exterior components such as bezels.

[0005] The present invention has been made to solve these problems, and has an object to provide a wrist device in which an exterior member can be fixed to a case without increasing the number of parts.

Means for Solving the Problem

[0006] In order to solve the above problems, the list device according to the present invention includes a case having a band attachment portion formed with a first through hole, an exterior member that covers at least a part of the upper surface side of the case and has a connecting portion formed with a second through hole that communicates with the first through hole in the assembled state to the case, a spring rod that penetrates the first through hole and the second through hole in the communicating state from one side to the other side and is provided such that the tip portions protrude from one side and the other side, a case attachment portion on the band side having a locking hole for receiving each protruding end portion of the spring rod, and is characterized by having

Advantages of the Invention

[0007] According to the present invention, the exterior member can be fixed to the case without increasing the number of parts.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Mode for Carrying Out the Invention

[0009] Embodiments of the list device according to the present invention will be described with reference to the drawings. In the embodiments described below, a case where the list device is a wristwatch (hereinafter referred to as "watch 100") worn on the wrist will be described as an example. In addition, although various technically preferable limitations are imposed on the following embodiments for carrying out the present invention, the scope of the present invention is not limited to the following embodiments and illustrated examples. Hereinafter, the width direction of the watch 100 (the width direction of the watch body 10 and the band 2) is referred to as "W", the longitudinal direction of the band 2 is referred to as "L", and the thickness direction (vertical direction) of the watch 100 is referred to as "Z". The width direction W is the 3 o'clock - 9 o'clock direction in an analog watch, and the longitudinal direction L is the 6 o'clock - 12 o'clock direction in an analog watch.

[0010] [First Embodiment] The first embodiment of the list device according to the present invention will be described with reference to FIGS. 1 to 7. [Configuration] As shown in FIGS. 1 to 3, the clock 100 includes a clock body 10 and a band 2 connected to the clock body 10. First, the clock body 10 includes a case (hereinafter referred to as "device case 1") and an exterior member 4. In the embodiment, the exterior member 4 is a bezel.

[0011] The device case 1 has a case body 11 and a band attachment portion 13. The material forming the device case 1 is not particularly limited. For example, it is formed of various hard materials such as various metal materials such as titanium and stainless steel (SUS), or hard synthetic resins such as super engineering plastics such as polyarylate (PAR) and engineering plastics such as polyacetal (POM).

[0012] The case body 11 is formed in a hollow short column shape with openings at the top and bottom in the thickness direction Z (see FIG. 2) of the clock 100. On the outer side of the case body 11 (for example, the side portions at 3 o'clock or 9 o'clock of the clock), operation portions 12 such as dials and push buttons for the user to perform various input operations are provided. Note that the arrangement, number, shape, etc. of the operation portions 12 are not limited to the illustrated examples.

[0013] Although not shown, various components such as modules are housed in the hollow portion inside the case body 11. Without detailed description of the specific configuration of the module, when the clock 100 is an electronic clock, various operation portions of the clock 100, a control portion for controlling these, a battery, etc. are included in the module. The clock 100 may be provided with an analog display portion having hands or the like (not shown), or may be provided with a digital display portion having, for example, a liquid crystal display portion.

[0014] For example, when the clock 100 has an analog display mode, as an operating part, it has hands, a gear train (wheel train mechanism) for rotating the hands, a driving part (such as a motor), and the like. When the clock 100 has a digital display mode, as an operating part, instead of the above-mentioned respective components, it is provided with a display part including a liquid crystal display panel and the like, and this display part is arranged on the front side (visible side) of the clock. Note that the clock 100 may be a hybrid type having both digital and analog modes. In this case, it has both sets of components as operating parts. The control part is mounted on a circuit board (not shown) and controls display operations and the like by the operating part.

[0015] A windshield member 14 is attached to an end portion on the opening side of the upper side (the upper side in the Z direction, the visible side, the front side in the clock) of the case body 11. The windshield member 14 is a transparent member (cover member) formed of, for example, a glass material, a transparent resin material, or the like. Further, on the lower side (the lower side in the Z direction, the back side in the clock 100) of the case body 11, a back cover member 15 for closing the opening portion on the back side is provided.

[0016] The windshield member 14 and the back cover member 15 are preferably attached via a waterproof ring (not shown). By interposing a waterproof ring or the like between the windshield member 14 and the back cover member 15 and the case body 11, the upper and lower openings of the case body 11 are closed in a state where airtightness is ensured. Note that the case body 11 and the back cover member may be integrally molded, and a configuration may be adopted in which no opening portion is provided on the lower side of the case body 11. Note that FIG. 1 and the like schematically illustrate the clock 100 and do not accurately show specific shapes, configurations, and the like.

[0017] The band attachment part 13 is a part for connecting the band 2 to the watch body 10, and is provided at one end side and the other end side on the side part of the case body 11, respectively. In the embodiment, as shown in FIG. 1 and the like, the band attachment parts 13 are provided at positions corresponding to the 6 o'clock side and the 12 o'clock side in the analog watch on the outer side part of the case body 11, respectively. The band attachment part 13 is provided at substantially the central part in the width direction W of the watch body 10, and is formed to protrude outward along the longitudinal direction L. A through hole (referred to as "first through hole 131") penetrating in the width direction W is formed in the band attachment part 13. Note that the specific shape of the band attachment part 13 is not limited to the illustrated example.

[0018] The exterior member (bezel) 4 has a main body part 41 that covers at least a part of the upper surface side of the device case 1, and is attached to the upper side of the device case 1. The main body part 41 is a substantially frame-shaped member disposed on the upper surface side of the case body 11 of the device case 1, and the central part in the surface direction is an opening 411 that is largely cut out. When the exterior member (bezel) 4 is disposed on the upper surface side of the case body 11, the windshield member 14 provided on the upper surface side of the case body 11 is exposed from the opening 411. The material forming the exterior member (bezel) 4 is not particularly limited. The exterior member (bezel) 4 may be formed of, for example, various synthetic resins, or may be formed of various metal materials such as titanium and stainless steel (SUS), glass, ceramics, or the like.

[0019] In addition, band attachment parts 42 are provided at positions corresponding to the 6 o'clock side and the 12 o'clock side of the watch in the main body part 41 of the exterior member (bezel) 4, respectively. A pair of connecting parts 421 are provided on the lower surfaces at both ends in the width direction W of the band attachment part 42. The pair of connecting parts 421 are disposed on both sides with the band attachment part 13 of the device case 1 interposed therebetween in a state where the exterior member (bezel) 4 is attached to the device case 1.

[0020] As shown in FIGS. 4 and 5, a through hole (referred to as the "second through hole 422") that penetrates in the width direction W is formed in the connecting portion 421. The "second through hole 422" communicates with the "first through hole 131" of the device case 1 in a state where the exterior member (bezel) 4 is attached to the device case 1.

[0021] A spring rod 7 is inserted through the "first through hole 131" and the "second through hole 422" that are in a communicating state from one side to the other side. The spring rod 7 is formed of a metal such as stainless steel (SUS), for example. Note that the material forming the spring rod 7 is not limited to this. The spring rod 7 penetrates through the "first through hole 131" and the "second through hole 422", and tip portions (projecting end portions) 71 project on one side and the other side. As shown in FIGS. 4 and 5, the spring rod 7 has a biasing member 72 such as a spring that biases the tip portion (projecting end portion) 71 outward along the axial direction inside the shaft. The spring rod 7 can shorten its axial length by being pushed and compressed inward along the axial direction (which coincides with the width direction W in FIGS. 4 and 5) against the biasing force of the biasing member 72.

[0022] Also, as shown in FIG. 3 and the like, the exterior member (bezel) 4 is provided with fitting hole portions 45 at positions corresponding to the 3 o'clock side and the 9 o'clock side of the clock in the main body portion 41. A first fitting protrusion 16 is formed to project at a position corresponding to the fitting hole portion 45 in the case main body 11 of the device case 1. The first fitting protrusion 16 fits into the fitting hole portion 45 in a state where the exterior member (bezel) 4 is attached to the device case 1. In the illustrated example, the fitting hole portion 45 is a through hole, and the first fitting protrusion 16 is exposed from the fitting hole portion 45 in the fitted state, but the fitting hole portion 45 is not limited to a through hole. The fitting hole portion 45 may be anything that can catch the first fitting protrusion 16, and may be a non-through recess formed inside the exterior member (bezel) 4. In this case, a design can be adopted in which the first fitting protrusion 16 is not exposed on the exterior.

[0023] Furthermore, as shown in FIG. 3, on both sides of the band attachment portion 13 of the device case 1, at positions corresponding to the band attachment portion 42 in a state where the exterior member (bezel) 4 is attached to the device case 1, second fitting protrusions 17 are formed to protrude. A recess (not shown) is formed inside the band attachment portion 42, and in a state where the exterior member (bezel) 4 is attached to the device case 1, the second fitting protrusions 17 are fitted into the recess. Note that the portion where the second fitting protrusions 17 are fitted may be a hole that penetrates to the outside instead of a recess.

[0024] The first fitting protrusion 16 and the second fitting protrusion 17 are preferably formed in, for example, a claw shape or a hook shape so that they are easy to fit and difficult to come off once hooked. Note that the specific shapes, the number provided, the positions, etc. of the first fitting protrusion 16 and the second fitting protrusion 17 are not limited to the illustrated examples. The fitting hole portions 45 and the recesses on the exterior member (bezel) 4 side are provided according to the positions and shapes of the first fitting protrusion 16 and the second fitting protrusion 17. Also, it is not essential to provide the first fitting protrusion 16 and the second fitting protrusion 17 on the device case 1, and a configuration without the first fitting protrusion 16 and the second fitting protrusion 17 may be adopted. In this case, it is not necessary to provide the fitting hole portions 45 and the recesses for hooking the first fitting protrusion 16 and the second fitting protrusion 17 on the exterior member (bezel) 4.

[0025] As shown in FIG. 1, the band 2 is a band attached to the watch body 10, and includes a parent band (short band) 2a attached to the band attachment portion 13 on the 12 o'clock side in an analog watch and a sword tip band (long band) 2b attached to the band attachment portion 13 on the 6 o'clock side. As shown in FIG. 1, a lock 22 and a stud 23 are attached to the free end side of the parent band (short band) 2a (the end on the side not attached to the watch body 10 including the device case 1). Note that since the configurations on the attachment side of the parent band 2a and the sword tip band 2b to the device case 1 (the watch body 10 including the device case 1) are the same, hereinafter, without distinguishing between the parent band 2a and the sword tip band 2b, they are simply shown as "band 2".

[0026] In the embodiment, the band 2 has a band body 21. The band body 21 is formed of various synthetic resins such as urethane and rubber. Note that the material forming the band body 21 is not limited to this. The attachment side of the band body 21 to the watch body 10 is a connection side end portion 211, and through holes (not shown) are formed in the connection side end portion 211 across the width direction W.

[0027] A tip member 5 is provided at the connection side end portion 211. In the present embodiment, the tip member 5 is a case attachment portion on the band 2 side for attaching the band 2 to the device case 1 (watch body 10 including the device case 1). A protrusion is formed on the lower side near the center of the tip member 5 and contacts the device case 1, so that the tip member 5 is configured not to rotate with respect to the device case 1.

[0028] The tip member 5 of the present embodiment has a substantially H shape in a top view. The tip member 5 is formed of various hard materials such as super engineering plastics such as polyarylate (PAR) and engineering plastics such as polyacetal (POM), or various metal materials such as titanium and stainless steel (SUS). One end side of the tip member 5 in the longitudinal direction L of the band 2 is a band body connection portion 51 formed in a pair of leg shapes, and the other end side is a pair of connection legs 52 connected to the device case 1 (watch body 10 including the device case 1).

[0029] As shown in FIG. 3, for example, the band body connection portion 51 is disposed on both sides in the width direction W of the connection side end portion 211 of the band body 21. A through hole 511 penetrating in the width direction W is formed in the band body connection portion 51 at a position corresponding to the through hole formed in the connection side end portion 211 of the band body 21. As shown in FIGS. 2 and 3, the tip member 5 is connected to the band body 21 via the connection shaft 6 by inserting the connection shaft 6 through the through hole 511 of the band body connection portion 51 and the through hole of the connection side end portion 211.

[0030] Further, the front member 5 has a through-hole 521 as a locking hole for receiving each tip end portion (projecting end portion) 71 of the spring rod 7. As described above, the spring rod 7 is inserted through the "first through-hole 131" and the "second through-hole 422", and the tip end portions (projecting end portions) 71, which are both end portions (one side and the other side end portions) of the spring rod 7, project from the communicating "first through-hole 131" and "second through-hole 422". Through-holes 521 are provided at positions on the pair of connecting leg portions 52 of the front member 5 for receiving the tip end portions (projecting end portions) 71. That is, on the pair of connecting leg portions 52 of the front member 5, as shown in FIGS. 4 and 5, etc., in a state where the front member 5 is attached to the watch body 10, through-holes 521 penetrating in the width direction W are formed at positions corresponding to the "first through-hole 131" and the "second through-hole 422".

[0031] With the state where the band attachment portion 13 of the equipment case 1 and the connection portion 421 of the exterior member (bezel) 4 are integrated by the spring rod 7, the band 2 (the front member 5 of the band 2) is attached to the watch body 10 by fitting the band attachment portion 13 and the connection portion 421 between the pair of connecting leg portions 52. The through-hole 521, which is a locking hole, is provided at a position somewhat spaced apart from the connection side end portion of the front member 5 (the connecting leg portion 52 of the front member 5) with respect to the watch body 10. However, by fitting the band attachment portion 13 and the connection portion 421 between the pair of connecting leg portions 52 in a state where the spring rod 7 is pushed and compressed while tilting the side slightly with respect to the watch body 10, the band attachment portion 13 and the connection portion 421 are fitted between the pair of connecting leg portions 52. And when the tip end portions (projecting end portions) 71 of the spring rod 7 protruding from the "first through-hole 131" and the "second through-hole 422" reach the positions corresponding to the through-holes 521, the tip end portions (projecting end portions) 71 project into the through-holes 521 and are locked.

[0032] 〔Operation〕 Next, the operation of the watch 100, which is the list device of this embodiment, will be described with reference to FIGS. 6 and 7. In FIG. 7, the band main body 21 is shown by a broken line.

[0033] First, when forming the watch body 10, modules and the like are housed in the case body 11 of the device case 1, a windshield member 14 is attached to the opening on the front side, and a back cover member 15 is attached to the opening on the back side to close the openings on the front and back (upper and lower in the Z direction) of the case body 11.

[0034] Then, the position is adjusted so that the windshield member 14 is exposed from the opening 411, and the exterior member (bezel) 4 is attached from the upper surface side of the device case 1. At this time, the first fitting protrusions 16 provided on the 3 o'clock side and 9 o'clock side of the case body 11 are fitted into the first fitting hole portions 45 formed in the main body portion 41 of the exterior member (bezel) 4. Further, the second fitting protrusion 17 formed in the vicinity of the band attachment portion 13 of the device case 1 is fitted into the concave portion formed inside the band attachment portion 42 of the exterior member (bezel) 4. Thereby, the exterior member (bezel) 4 is positioned with respect to the device case 1, and the exterior member (bezel) 4 and the device case 1 are temporarily fixed.

[0035] When the exterior member (bezel) 4 is temporarily fixed to the device case ①, the "first through hole 131" formed in the band attachment portion 13 of the device case 1 and the "second through hole 422" formed in the connecting portion 42 of the exterior member (bezel) 4 are in a communicating state. A spring rod 7 is inserted through the communicating "first through hole 131" and "second through hole 422" (see Fig. 6). Thereby, the spring rod 7 penetrates through the "first through hole 131" and the "second through hole 422", and the end portions on one side and the other side thereof protrude. That is, as shown in Fig. 7, the device case 1 and the exterior member (bezel) 4 are connected via the spring rod 7, the watch body 10 is formed, and the tip end portion (protruding end portion) 71 of the spring rod 7 protrudes to the outside.

[0036] On the other hand, for the band 2, the connecting shaft 6 is inserted through the through hole in the connecting side end portion 211 of the band main body 21 and the through hole 511 formed in the band main body connecting portion 51 of the tip member 5, so that the band main body 21 and the tip member 5 are connected via the connecting shaft 6. Then, the tip member 5 of the band 2 connected to the band main body 21 is connected to the watch body 10 (see Fig. 7).

[0037] In this regard, for example, as shown in FIG. 5, the through hole 521, which is a locking hole, is provided at a position somewhat spaced apart from the connecting side end of the front end member 5 (the connecting leg portion 52 of the front end member 5) with respect to the timepiece body 10. When the distance between the pair of connecting leg portions 52 is "W1" and the length from one tip end portion (projecting end portion) 71 to the other tip end portion (projecting end portion) 71 of the spring bar 7 is "W2", in order to fit the band attachment portion 13 of the device case 1 and the connecting portion 421 of the exterior member (bezel) 4, which are connected by the spring bar 7, between the pair of connecting leg portions 52, it is necessary to compress the spring bar 7 to a length of "W1" or less.

[0038] Therefore, when attaching the band 2, while tilting the timepiece body 10 side slightly obliquely, the spring bar 7 is pushed and compressed and inserted between the pair of connecting leg portions 52 of the front end member 5. As a result, the band attachment portion 13 and the connecting portion 421 can be fitted into the pair of connecting leg portions 52. Then, when the tip end portion (projecting end portion) 71 of the spring bar 7 protruding from the "first through hole 131" and the "second through hole 422" reaches a position corresponding to the through hole 521 of the connecting leg portion 52, the spring bar 7 that has been pushed and compressed against the biasing force of the biasing member 72 returns to its original length "W2" by the biasing force. As a result, the tip end portion (projecting end portion) 71 protrudes into the through hole 521 and is locked, and the timepiece 100 as a wrist device including the band 2 is completed.

[0039] When removing the band 2 from the timepiece body 10, a jig or the like is inserted into the through hole 521 from the outside to push and compress the spring bar 7 to a length of "W1" or less, and in this state, the spring bar 7 and the band attachment portion 13 of the device case 1 and the connecting portion 42 of the exterior member (bezel) 4 connected by the spring bar 7 are removed from between the connecting leg portions 52.

[0040] As described above, in the present embodiment, the device case 1 and the exterior member (bezel) 4 are connected by the spring bar 7 to form the timepiece body 10, and by this spring bar 7, the timepiece body 10 can be connected to the band 2 to form the timepiece 100 as a wrist device. Therefore, it is not necessary to separately perform screwing or the like to fix the exterior member (bezel) 4 to the device case 1.

[0041] 〔Effect〕 As described above, the clock 100 which is a list device in the present embodiment includes a device case 1 having a band attachment portion 13 in which a "first through hole 131" is formed, and at least a part of the upper surface side of the device case 1 is covered. In the assembled state to the device case 1, an exterior member (bezel) 4 having a connecting portion 421 in which a "second through hole 422" communicating with the "first through hole 131" is formed, and the "first through hole 131" and the "second through hole 422" in the communicating state penetrate from one side to the other side, and a spring rod 7 provided so that tip portions (projecting end portions) 71 project to one side and the other side, and a front end member 5 which is a case attachment portion on the band 2 side and has a through hole 521 which is a locking hole for receiving each tip portion (projecting end portion) 71 of the spring rod 7.

[0042] Thereby, the device case 1, the exterior member (bezel) 4, and the band 2 can be connected by one spring rod 7, and it is not necessary to separately fix the exterior member (bezel) 4 to the device case 1 by screwing or the like. Further, by fixing through the spring rod 7, the exterior member (bezel) 4 can be fixed more firmly than in the case of simply locking it to the device case 1 by fitting with claws or protrusions.

[0043] In addition, since there is no need for screwing or the like, the number of screw parts can be reduced, and there is no need to secure a space for providing screw holes or the like necessary for screwing. For this reason, miniaturization of the entire clock 100 can also be realized. Further, the through hole 521 formed in the front end member 5 which is the case attachment portion on the band 2 side only needs to be able to lock the tip portion (projecting end portion) 71 of the spring rod 7, and even when a jig is inserted from the outside, a thin hole is sufficient. For this reason, the exterior member (bezel) 4 can be fixed to the device case 1 by a method that does not affect the appearance as compared with screwing or the like in which screw holes and screw heads are exposed to the outside.

[0044] In addition, since the spring bar 7 is used to fix the watch body 10 and the band 2, it is possible to achieve fixation with a member that is less expensive than using, for example, a C-ring or the like. Also, since the connection leg part 52 on the band 2 side is attached from the outside so as to sandwich the attachment part on the watch body 10 side (that is, the band attachment part 13 of the device case 1 and the connection part 421 of the exterior member (bezel) 4), a design in which the band 2 is prominent is possible, and there are also rich variations in the design appearance.

[0045] In addition, the device case 1 of the present embodiment has a case body 11, and the band attachment parts 13 are respectively provided at one end side and the other end side (in the embodiment, the 6 o'clock side and the 12 o'clock side) on the side part of the case body 11. Thereby, the band 2 can be attached from both sides of the case body 11, and also, the exterior member (bezel) 4 can similarly be fixed to the spring bar 7 on both sides of the case body 11. For this reason, the exterior member (bezel) 4 can be firmly fixed to the device case 1 in a well-balanced manner. Note that when disassembling, the band 2 can be removed from the case body 11 by pressing the tip of the spring bar 7 with a pin or the like.

[0046] In addition, the exterior member (bezel) 4 of the present embodiment has a main body part 41 disposed on the upper surface side of the device case 1, and the band attachment parts 42 are respectively provided at one end side and the other end side of the main body part 41 at positions corresponding to the band attachment parts 13. Thereby, the exterior member (bezel) 4 can be fixed to the spring bar 7 on both sides of the case body 11. For this reason, the exterior member (bezel) 4 can be firmly fixed to the device case 1 in a well-balanced manner.

[0047] [Second Embodiment] Next, with reference to FIGS. 8 to 10, a second embodiment of the list device according to the present invention will be described. In FIG. 8, the illustration of the band body 21 is omitted. Note that, also in this embodiment, the case where the list device is a watch is taken as an example. The list device (watch) of this embodiment is different from the first embodiment only in the configuration of the tip member (case attachment portion) on the band 2 side for connecting the band 2 to the watch body 10. Since the configuration of the watch body 10 is the same as that of the first embodiment, the same reference numerals are given to the same members and the description thereof is omitted. For this reason, hereinafter, the points different from the first embodiment will be particularly described.

[0048] 〔Configuration〕 The tip member 8 which is a case attachment portion has a substantially H-shaped top view, similar to the tip member 5 of the first embodiment. One end side in the longitudinal direction L of the band 2 in the tip member 8 is a band body connection portion 81 formed in a pair of leg shapes, and the other end side is a pair of connection legs 82 connected to the case. The configuration of the band body connection portion 81 is the same as the configuration of the band body connection portion 51 shown in the first embodiment. Through holes 821 which are locking holes for receiving the respective tip ends (projecting end portions) 71 of the spring bars 7 are formed in the pair of connection legs 82 of the tip member 5.

[0049] Similar to the first embodiment, the through holes 821 are provided at positions spaced apart from the connection side end portion of the tip member 8 with respect to the device case 1 (watch body 10 including the device case 1). And in this embodiment, as shown in FIGS. 8 and 9, guide grooves 822 are formed in the tip member 8 (connection legs 82 of the tip member 8) from the connection side end portion with respect to the device case 1 toward the through holes 821. Further, the guide grooves 822 provided in the tip member 8 of this embodiment are respectively provided so as to face the inside of the pair of connection legs 82, and the distance between the opposing guide grooves 822 becomes narrower from the connection side end portion with respect to the device case 1 toward the through holes 821 which are locking holes.

[0050] As shown in FIG. 10, when the width of the connecting side end portion of the guide groove 822 formed in the pair of connecting leg portions 82 with respect to the device case 1 (the watch body 10 including the device case 1) is "W3", the width of the portion where the through hole 821 is formed is "W4", which is narrower than "W3". The length of the spring bar 7 from the tip end portion (projecting end portion) 71 on one end side to the other end side is shorter than "W3" but longer than "W4". When attaching the front member 8 from the connecting side end portion with the device case 1 to the watch body 10, the spring bar 7 can be arranged in the guide groove 822 without being compressed on the connecting side end portion side. As the front member 8 is pushed in so that the spring bar 7 moves along the guide groove 822, the distance between the guide grooves 822 formed in the pair of connecting leg portions 82 gradually becomes shorter, and the spring bar 7 is naturally compressed. When it moves to the position where the through hole 821 is formed, the tip end portion (projecting end portion) 71 of the spring bar 7 is pushed outward in the axial direction (width direction W) by the biasing force of the biasing member 72 and protrudes into the through hole 821 and is locked in a locked state.

[0051] 〔Operation〕 Next, the operation of the watch which is the list device in this embodiment will be described.

[0052] First, in the same manner as in the first embodiment, the device case 1 and the exterior member (bezel) are connected by the spring bar 7 to form the watch body 10. Then, the front member 8 which is the case attachment portion connected to the band body 21 is connected to the watch body 10.

[0053] Specifically, the tip end portion (projecting end portion) 71 of the spring bar 7 is arranged in the guide groove 822, and the front member 8 is pushed in from the connecting side end portion side with the device case 1 toward the through hole 821 so that the spring bar 7 moves along the guide groove 822. As the front member 8 is pushed in, the tip end portion (projecting end portion) 71 of the spring bar 7 abuts against the guide groove 822 by the biasing force of the biasing member 72 such as a spring, moves in the guide groove 822 in a sliding contact state, and is guided to the through hole 821.

[0054] When it moves to the position where the through hole 821 is formed, the tip (projecting end) 71 of the spring rod 7 is pushed outward by the biasing force of the biasing member 72 and projects into the through hole 821. As a result, the tip (projecting end) 71 is locked in the through hole 821. For this reason, even if the user does not use a jig or the like to push and compress the spring rod 7, the tip (projecting end) 71 of the spring rod 7 is positioned in the guide groove 822, and the front member 8 is pushed along the guide groove 822 toward the watch body 10 side. Then, the spring rod 7 is guided while being compressed between the pair of guide grooves 822. And it can be easily locked in the through hole 821, and a watch as a wrist-worn device provided with the band 2 is completed. Regarding other points, since they are the same as those in the first embodiment, the description thereof is omitted.

[0055] 〔Effect〕 According to the present embodiment, the same effects as those of the first embodiment are achieved, and the following effects are also achieved. That is, the through hole 821 which is the locking hole in the present embodiment is provided at a position separated from the connecting side end portion with the device case 1 in the front member 8 which is the case mounting portion. In the front member 8, a guide groove 822 is formed from the connecting side end portion with the device case 1 toward the through hole 821. The tip (projecting end) 71 of the spring rod 7 abuts against the guide groove 822 by the biasing force of a biasing member 72 such as a spring and is guided to the through hole 821 in a sliding contact state. As a result, by pushing the front member 8 toward the watch body 10 side so that the tip (projecting end) 71 of the spring rod 7 is positioned in the guide groove 822, the tip (projecting end) 71 is guided along the guide groove 822, and the tip (projecting end) 71 of the spring rod 7 can be easily locked in the through hole 821.

[0056] Also, the case attachment part of the present embodiment includes a pair of connecting legs 82 disposed on one side and the other side of the "first through hole 131" and the "second through hole 422" in a communicating state. The guide grooves 822 are respectively provided so as to face the inside of the pair of connecting legs 82, and the distance between the opposing guide grooves 822 becomes narrower toward the through hole 821, which is a locking hole, from the connecting side end with the device case 1. As a result, even if the user does not use a jig or the like to push and compress the spring rod 7, the tip (projecting end) 71 of the spring rod 7 is positioned within the guide groove 822, and by simply pushing the front end member 8 along the guide groove 822 to the clock body 10 side, the spring rod 7 is smoothly guided while being pushed and compressed between the pair of guide grooves 822. Then, it can be easily guided to the through hole 821 and locked to the through hole 821.

[0057] [Modification Example] In addition, although the embodiments of the present invention have been described above, it goes without saying that the present invention is not limited to such embodiments and various modifications are possible without departing from the gist thereof.

[0058] For example, in the first embodiment and the second embodiment, the case where the case attachment part is the front end members 5 and 8 connected to the band body 21 formed of resin or the like is exemplified, but the case attachment part is not limited to the front end members 5 and 8. For example, as shown in FIG. 11, in a bracelet-type band composed of a plurality of band pieces 25 formed of various metal materials, hard resins, or the like, a so-called end piece 5a provided on the connecting side with the clock body 10 may be used.

[0059] Further, for example, as shown in FIG. 12, a case attachment side end portion 5b or the like integrally formed with the band body, such as being provided by integral molding or the like on the connection side of the band body 26 formed of various resins or the like with the watch body 10, may be used. In this case, the case attachment side end portion 5b is not limited to being integrally formed of resin. For example, on the connection side of a leather band or the like with the watch body 10, a locking hole for locking the spring bar 7 may be formed or the like. Also in these cases, the band can be fixed to the watch body 10 by the spring bar 7 that connects the device case 1 and the exterior member (bezel), and a simple configuration with a reduced number of parts can be achieved.

[0060] Also, for example, in the present embodiment, the case where the locking hole of the case attachment portion such as the front end member 5 is the through hole 521 is illustrated, but the locking hole is not limited to the case of being a through hole. For example, when using a spring bar having a mechanism such as a lever portion that can compress the length of the spring bar 7 against the biasing force of the biasing member 72 as the spring bar, it is not necessary to insert a jig or the like from the outside when removing the spring bar. Therefore, when using a spring bar having such a configuration, the locking hole may be a recess or the like that receives the tip end portion (projecting end portion) of the spring bar.

[0061] Also, for example, in the present embodiment, the case where the connection portion 421 of the exterior member (bezel) 4 is arranged outside the band attachment portion 13 so as to sandwich the band attachment portion 13 of the device case 1 is illustrated, but the shapes and arrangements of the band attachment portion 13 and the connection portion 421 are not limited thereto. The band attachment portion 13 and the connection portion 421 may be configured such that the "first through hole 131" on the device case 1 side and the "second through hole 422" on the exterior member (bezel) 4 side are in a communicating state. For example, the band attachment portion 13 of the device case 1 may be provided outside the connection portion 421 so as to sandwich the connection portion 421 of the exterior member (bezel) 4.

[0062] Also, for example, in the present embodiment, the case where the exterior member connected to the device case by the spring bar 7 is a bezel has been illustrated. However, the exterior member is not limited to the bezel. The exterior member may be any member that is externally mounted on the device case, and widely includes various members that can be fixed by the spring bar 7. Further, in the above embodiment, the case where the band attachment portion 13 is provided integrally with the device case 1 has been illustrated. However, the band attachment portion 13 may be any structure that has a first through hole formed therein and is configured to attach a band to the device case, and may be separate from the device case 1.

[0063] Also, for example, in the present embodiment, the case where the list device is the watch 100 which is a wristwatch has been illustrated. However, the list device of the present invention is not limited to a watch. It can be widely applied to any device that attaches the band 2 to the watch body 10, and for example, various electronic devices such as smartwatches and sports watches, and list devices such as wearable devices that acquire biological information such as heart rate and blood flow information in addition to time.

[0064] Although some embodiments of the present invention have been described above, the scope of the present invention is not limited to the above-described embodiments, but includes the scope of the invention described in the claims and the equivalent scope thereof.

Explanation of Reference Numerals

[0065] 1 Device case 13 Band attachment portion 131 First through hole 2 Band 4 Exterior member (bezel) 421 Connecting portion 42 Band attachment portion 422 Second through hole 5 Tip member (case attachment portion) 5a End piece (case attachment portion) 5b Case attachment side end portion (case attachment portion) 521 Through hole 7 Spring bar 71 Tip portion 8 Tip member (case attachment portion) 100 clocks (listing devices)

Claims

1. A case having a band attachment portion in which a first through hole is formed; An exterior member that covers at least a part of the upper surface side of the case and has a connecting portion in which a second through hole communicating with the first through hole is formed in a state of being assembled to the case; A spring rod that penetrates the first through hole and the second through hole in a communicating state from one side to the other side and is provided so that tip portions protrude from one side and the other side; A case attachment portion on the band side having a locking hole for receiving each protruding end portion of the spring rod; A listing device, characterized by comprising:

2. The case has a case body; The band attachment portions are respectively provided at one end side and the other end side of a side portion of the case body. The listing device according to claim 1, characterized in that.

3. The exterior member has a main body portion disposed on the upper surface side of the case; The connecting portions are respectively provided at one end side and the other end side of the main body portion at positions corresponding to the band attachment portions. The listing device according to claim 1, characterized in that.

4. The band attachment portion and the case are integral. The listing device according to claim 1, characterized in that.

5. The locking hole is provided at a position spaced apart from a connecting side end portion of the case attachment portion with respect to the case; A guide groove is formed in the case attachment portion from the connecting side end portion with respect to the case toward the locking hole; The protruding end portion of the spring rod abuts against the guide groove by the biasing force of the spring and is guided to the locking hole in a sliding contact state. The listing device according to claim 1, characterized in that.

6. The case attachment portion includes a pair of leg portions disposed on one side and the other side of the first through hole and the second through hole in a communicating state; The guide grooves are respectively provided so as to face the inside of the pair of leg portions, and the distance between the opposing guide grooves becomes narrower from the connecting side end portion with respect to the case toward the locking hole. The listing device according to claim 5, characterized in that.

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