JP7111193B2 - Device case manufacturing method and watch manufacturing method - Google Patents

Description

The present invention relates to a device case manufacturing method and a timepiece manufacturing method .

2. Description of the Related Art Conventionally, there has been known a device case such as a watch in which an exterior member such as a bezel or a decorative ring is attached to the visible side of the device case.
As a method for fixing such an exterior member, for example, it may be fixed to the case main body by adhesive or double-sided adhesive tape, fixed to the case main body by screwing, or press-fit fixed via a waterproof ring (packing) or the like. and the like.

In this respect, for example, Patent Document 1 discloses a configuration in which an exterior member (bezel) and a movement inside a case are screwed and fixed.

Japanese Unexamined Patent Application Publication No. 2002-311163

However, if the exterior member (bezel) is fixed to the case main body or the like by screwing, the screws may be exposed on the visible external surface, impairing the external appearance or restricting the design.
Further, in the case of fixing using an adhesive, once the exterior member (bezel) is adhered and fixed to the case body or the like, it cannot be removed unless it is broken. For this reason, it is inconvenient when a part of the case is damaged and an attempt is made to replace or repair it.
Furthermore, most of the adhesives are poorly biodegradable, and there are cases where care must be taken in handling, such as the need to prepare equipment for applying the adhesive when performing adhesive fixation with the adhesive.

In addition, if the exterior member (bezel) is made of a relatively heavy material, it is difficult to secure it securely by using adhesive or double-sided adhesive tape or press-fitting, so sufficient strength must be secured. difficult. During use, the adhesive portion may gradually peel off or the press-fit portion may become loose, which may cause the exterior member to come off and fall off.
Therefore, it becomes necessary to use other fixing methods such as screwing.

SUMMARY OF THE INVENTION The present invention has been made in view of the circumstances as described above. It is intended to provide a method .

In order to solve the above problems, a method for manufacturing a device case according to the present invention includes:
a first step of arranging an exterior member provided with connecting legs extending toward the back side of the case body on the viewing side of the case body ;
a second step of attaching a cover member for regulating the connecting leg portion to the back side of the case main body;
including
The exterior member is characterized in that the connecting leg portion is engaged with at least one of the case main body and the cover member.

ADVANTAGE OF THE INVENTION According to this invention, there exists an effect that an exterior member can be reliably fixed to a case main body by simple structure, without using a screw etc.

1 is a front view of a watch provided with a watch case according to this embodiment; FIG. FIG. 2 is a side perspective view of the timepiece shown in FIG. 1; FIG. 2 is an exploded perspective view of the watch case shown in FIG. 1 viewed obliquely from above; It is the perspective view which looked at the exterior member in this embodiment from the diagonally upward direction. It is the perspective view which looked at the exterior member in this embodiment from the diagonally downward direction. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 5; It is a perspective view of the connection leg part in this embodiment. FIG. 4 is a schematic cross-sectional view of main parts showing a connected state of connecting legs in the embodiment. FIG. 10 is a schematic cross-sectional view of a main part showing a modified example of the connected state of the connecting leg portions in the present embodiment;

An embodiment of a device case and a watch according to the present invention will be described with reference to FIGS. 1 to 8. FIG.
Note that in the embodiments described below, a case where the device case is a watch case for housing a watch module or the like will be described as an example. In addition, although various technically preferable limitations are attached to 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.

FIG. 1 is a front view of a watch provided with a watch case according to this embodiment, and FIG. 2 is a side perspective view of the watch shown in FIG. FIG. 3 is an exploded perspective view of the watch case shown in FIG. 1 as seen obliquely from above.
In addition to the watch case 10, the watch 100 also includes a module (not shown) housed in the watch case 10, a display section operated by the module, and the like.
Any configuration may be applied to each member housed in the watch case 10, such as the module and the display unit, and illustration and description thereof will be omitted in this embodiment.

A band attachment portion 11 to which a watch band (not shown) is attached is provided on the outer surface of the watch case 10 and on the 12 o'clock direction side and 6 o'clock direction side of the watch (that is, both upper and lower ends in FIG. 1). there is
An operation button 12 is provided on the side of the watch case 10 . The operation button 12 acts on a module inside the watch case 10, and is configured so that various operations can be performed by pushing or rotating the operation button 12. As shown in FIG.

As shown in FIG. 3, the watch case 10 of this embodiment includes a case body 2. As shown in FIG.
The case main body 2 is a cylindrical frame that opens upward and downward (up and down in FIG. 3, the viewing side and the back side of the watch 100).
An exterior member 3 is arranged on the viewing side (upper side, surface side) of the case body 2 .
A cover glass 13 as a windshield member is provided in the opening of the case body 2 on the viewing side (upper side, surface side) so as to cover the opening. The cover glass 13 is in close contact with the exterior member 3 via a waterproof ring 14 or the like, and closes the upper opening of the case body 2 while ensuring airtightness.
A back cover 17 is attached to the opening on the lower side (back side) of the case body 2 via a waterproof ring 16 or the like so as to cover the opening. A screw hole 171 is formed in the outer peripheral edge of the back cover 17, and a screw 18 is inserted through the screw hole 171, and the back cover 17 is screwed and fixed to the case body 2, thereby ensuring airtightness. , the opening on the lower side of the case body 2 is closed.

Furthermore, in the present embodiment, a cover member 5 is attached to the back side of the case body 2 so as to cover the back cover 17 from the back side. The cover member 5 is screwed and fixed to the case body 2 by inserting screws from the rear side through the screw holes 53 and the screw holes 171 of the back cover 17 toward the case body 2 .
Inside the watch case 10, the opening of which is closed by the cover glass 13 and the back cover 17, there are modules (not shown) assembled to the module frame 15, a display unit (not shown) connected to the modules, and the like. are housed.

In this embodiment, the exterior member 3 is provided with a connecting leg portion 4 extending toward the back side of the case body 2 , and the exterior member 3 has the connecting leg portion 4 that connects the case body 2 and the cover member 5 together. By being engaged with at least one of the above, the arranged state of being arranged on the viewing side of the case body 2 is maintained.
FIG. 4 is a perspective view of the exterior member 3 viewed obliquely from above, and FIG. 5 is a perspective view of the exterior member 3 viewed from the back side. 6 is a cross-sectional perspective view taken along line VI-VI in FIG. FIG. 7 is a perspective view of the connecting leg portion 4 provided on the exterior member 3 of this embodiment. Furthermore, FIG. 8 is a schematic cross-sectional view of the main part showing the connected state of the connecting leg portions in this embodiment.
Hereinafter, configurations of the case body 2, the exterior member 3 having the connecting leg portions 4, and the cover member 5 will be described in detail with reference to FIGS. 3 to 8. FIG.

The case body 2 of the present embodiment is made of, for example, nylon resin such as Trogamid (registered trademark), ABS resin, super engineering plastic such as polyarylate (PAR), engineering plastic such as polyacetal (POM), polycarbonate (PC), etc. or a metal such as titanium, stainless steel (SUS), or aluminum. The material forming the case main body 2 is not limited to those exemplified here.

As shown in FIG. 3 , the case body 2 has a cylindrical portion 21 formed in a hollow, short column shape, and a flange portion 22 provided on the outer periphery of the cylindrical portion 21 .
In this embodiment, the flange portion 22 is formed along the outer periphery of the case body 2 over the entire circumferential direction.
A button cover 23 for protecting the operation button 12 is formed on the flange portion 22 corresponding to the position where the operation button 12 is provided. Inside the button cover 23 , a hole 23 a into which a shaft (not shown) of the operation button 12 is inserted is formed so as to pass through the tubular portion 21 and communicate with the inside of the case body 2 .
Screws (not shown) for fixing a screw 18 for fixing the back cover 17 and a screw 19 for fixing the cover member 5 are fixed to the back side of the flange portion 22 (lower side, non-visible side in FIG. 3). Holes are provided, and screws 18 and 19 are fixed in the screw holes so that the back cover 17 and the cover member 5 are fixed to the back side of the case body 2 .

Further, in the flange portion 22 of the present embodiment, leg locking holes 24 into which connecting leg portions 4 are inserted are provided corresponding to the number and arrangement of the connecting leg portions 4 provided on the exterior member 3. there is
The leg locking hole 24 is a through hole that is formed to have a width and a size that allow the connecting leg 4 to be inserted therein, and penetrates the front and back of the flange 22 .
An engaging projection 25 of the connecting leg 4 is provided inside the leg engaging hole 24 .
The locking protrusion 25 is fitted in a locking hole 411 of a leg main body 41 which is a frame-shaped portion of the connecting leg 4 to be described later, thereby locking the connecting leg 4 .
The upper side of the engaging projection 25, that is, the surface on the upstream side in the insertion direction where the connecting leg 4 is inserted into the leg engaging hole 24 when the exterior member 3 is assembled to the case body 2, is inclined or It is an inclined surface 25a provided with an R.
As will be described later, the connecting leg portion 4 has a spring property, and when it is inserted, the inclined surface 25a and the inclined surface 412 abut against each other, and are smoothly guided and spread toward the outer peripheral side of the leg locking hole 24. It is inserted into the leg locking hole 24 . Then, the leg main body 41 climbs over the locking protrusion 25 , and the locking protrusion 25 is locked in the locking hole 411 formed in the leg main body 41 . As a result, the leg main body 41 is arranged and locked in the leg locking hole 24 (see FIG. 8). Further, since the connecting leg portion 4 is locked, the movement of the exterior member 3 toward the upper side (visible side) of the case body 2 (vertical direction in FIG. 8) is restricted.

The exterior member 3 of the present embodiment is, for example, a bezel arranged on the upper side of the case body 2, various decorative members, and the like.
As shown in FIGS. 3 to 6 , the exterior member 3 has a substantially annular body portion 31 along the shape of the cylindrical portion 21 of the case body 2 . Scales, various logos, characters, numbers, and the like are provided on the visible side (surface side) of the main body portion 31 .
The exterior member 3 is made of, for example, a synthetic resin such as nylon resin such as Trogamid (registered trademark), ABS resin, super engineering plastic such as polyarylate (PAR), or engineering plastic such as polyacetal (POM) or polycarbonate (PC). , ceramic, glass, or metal such as titanium, stainless steel (SUS), or aluminum. In addition, the material for forming the exterior member 3 is not limited to those exemplified here. The exterior member 3 is not limited to being made of a hard material, and may be made of a soft material such as urethane resin.

A leg mounting portion 32 for mounting the connecting leg portion 4 is provided on the back side of the exterior member 3 .
In FIGS. 4 and 5, the leg mounting portions 32 are formed at six locations along the circumferential direction of the exterior member 3 at approximately equal intervals. Note that the number and arrangement of the leg mounting portions 32 are not limited to the illustrated example. It may be more or less than six. At least two leg mounting portions 32 are provided because the connecting leg portions 4 for locking the exterior member 3 to the case body are mounted. Moreover, it is preferable that the leg mounting portions 32 are arranged at substantially equal intervals along the circumferential direction of the exterior member 3 or arranged at positions facing each other so that they can be locked in a well-balanced manner.
It should be noted that the connection leg 4 may not be attached to all the leg attachments 32 . For example, among the six leg attachment portions 32, three connecting leg portions 4 may be attached at every other location.
By forming more leg mounting portions 32 than the actually mounted connecting leg portions 4 in this way, the number of connecting leg portions 4 to be mounted on the exterior member 3 can be appropriately adjusted according to the model and application. and improve versatility. In addition, for example, when some of the leg mounting portions 32 are worn through use and the connecting leg portion 4 is likely to come off, it is also possible to deal with this by using other leg mounting portions 32 instead. becomes.

The shape of the leg mounting portion 32 corresponds to the shape of the connecting leg portion 4 to be mounted.
In the present embodiment, the connecting leg portion 4 is configured as a separate member that can be attached to and detached from the exterior member 3 , and a plurality of connection leg portions 4 are attached to the exterior member 3 . All of the connecting legs 4 are formed in substantially the same shape. Therefore, the productivity is excellent, and even if a part of the connecting leg 4 is damaged, it can be quickly replaced.
As shown in FIGS. 7 and 8, the connecting leg portion 4 includes a leg portion main body 41 that extends toward the case body 2 and is locked to the case body 2 side, and a base that is locked to the exterior member 3 side. a portion 42;
The leg main body 41 is a frame-shaped part having a locking hole 411 , and the end surface of the leg main body 41 on the side of insertion into the case main body 2 forms an inclined surface 412 with an inclination or a radius.
The base portion 42 is substantially H-shaped when viewed from the front. The base portion 42 is substantially parallel to the height direction (vertical direction in FIG. 7) of the leg portion main body 41, and includes a pair of legs 421 arranged on both sides of the leg portion main body 41, and the leg portions 421 extending in the horizontal direction (vertical direction in FIG. 7). 7, and a locking portion 43 provided so as to be connected in the lateral direction in FIG.
As shown in FIGS. 7 and 8, one end side of the locking portion 43 (the outer peripheral side when attached to the leg attachment portion 32) is an inclined surface 431 that is inclined or rounded.

The connecting leg 4 of the present embodiment is made of nylon resin such as Trogamid (registered trademark), ABS resin, super engineering plastic such as polyarylate (PAR), polyacetal (POM), polycarbonate (PC), or the like. It is made of hard synthetic resin such as engineering plastic, or hard material such as metal such as titanium, stainless steel (SUS), or aluminum. In addition, the material for forming the connecting leg portion 4 is not limited to those exemplified here.
The connecting leg portion 4 may be made of the same material as that forming the exterior member 3, or may be made of a different material.
The connecting leg portion 4 is formed to have some springiness, and can be flexurally deformed when it is attached to the exterior member 3 or when it is engaged with the case body 2 or the cover member 5 . It's becoming As a result, it is possible to easily and smoothly attach to the exterior member 3 and engage with the case main body 2 and the cover member 5 .

Corresponding to the shape of the connecting leg portion 4 shown in FIG. A leg insertion hole 322 having a depth corresponding to the length (height) of the leg 421 and into which the pair of legs 421 are inserted is formed.
A locking projection 323 projecting from the inner surface of the outer peripheral side of the leg mounting portion 32 toward the center of the case body 2 is formed in the portion sandwiched between the pair of leg insertion holes 322 . there is In a state in which the connecting leg 4 is attached to the leg mounting portion 32 , the locking convex portion 323 locks the locking portion 43 of the connecting leg 4 .
Each part in the leg mounting part 32 may be marked with an R so that the connecting leg part 4 can be easily attached and detached.

The cover member 5 has a cover body 51 forming a surface covering the back cover 17 in the assembled state, and a restricting portion 52 erected from the outer peripheral edge of the cover body 51 .
When the cover member 5 is attached to the case main body 2 , the restricting portion 52 restricts movement of the connecting leg portion 4 in the lateral (diametrical) direction (horizontal direction in FIG. 8 ) with respect to the case main body 2 . to maintain the state of engagement with the case body 2. In this embodiment, when the cover member 5 is attached, the restricting portion 52 is arranged along the connecting leg portion 4 locked to the locking convex portion 25 of the case main body 2, and the connecting leg portion 4 is attached to the leg portion. It is designed to prevent it from coming off the locking hole 24 and rattling inside the leg locking hole 24 . In addition to the restricting portion 52 shown in FIG. It functions as the regulation section 52 .
A threaded hole 53 is formed at a position corresponding to the threaded hole 171 through which the screw 19 is inserted in the back cover 17 on the outer peripheral edge of the cover body 51 . The cover main body 51 is fixed to the case main body 2 by inserting the screws 19 through the screw holes 53 and the screw holes 171 from the back side of the cover main body 51 and screwing them to the case main body 2 .
The band attachment portion 11 of the watch case 10 is integrally connected to the cover body 51 of the cover member 5 .

The cover member 5 is made of, for example, synthetic resin such as nylon resin such as Trogamid (registered trademark), ABS resin, super engineering plastic such as polyarylate (PAR), or engineering plastic such as polyacetal (POM) or polycarbonate (PC). , ceramic, glass, or metal such as titanium, stainless steel (SUS), or aluminum. The material forming the cover member 5 is not limited to those exemplified here.

Next, the operation of the watch case 10 of this embodiment and the watch 100 to which it is applied will be described.

In this embodiment, when assembling the watch case 10 , the back cover 17 is attached with screws 18 via a waterproof ring 16 so as to block the opening on the back side of the case body 2 .
In addition, the module set in the module frame 15, the display section, and the like are accommodated in the case main body 2. As shown in FIG.
Then, a cover glass 13 is attached via a waterproof ring 14 so as to close the opening on the surface side of the case body 2 .
Also, the connecting leg portion 4 is attached to the leg portion attaching portion 32 of the exterior member 3 . Specifically, the leg main body 41 corresponds to the main body insertion hole 321, and the connecting leg 4 is arranged at a position where the leg 421 of the base 42 corresponds to the leg insertion hole 322, 4 is pushed into the leg mounting portion 32 and fitted. At this time, the base portion 42 of the connecting leg portion 4 is flexurally deformed due to its springiness, the locking portion 43 climbs over the locking convex portion 323, and the leg portion 421 is inserted into the leg portion insertion hole 322 to lock. The portion 43 is locked by the locking projection 323, whereby the connecting leg portion 4 is mounted in the leg mounting portion 32 in a state in which it is prevented from coming off.

Next, the exterior member 3 to which the connecting leg portions 4 are attached is arranged on the upper portion of the case body 2 so that each connecting leg portion 4 faces the leg locking hole 24 .
Then, the exterior member 3 is attached to the case main body 2 by inserting the connecting leg portion 4 into the leg portion locking hole 24 .
Specifically, the exterior member 3 is moved to the position where the locking projections 25 formed inside the leg locking holes 24 fit within the frame of the leg body 41 , which is the frame-shaped portion of the connecting leg 4 . Push against 2. The leg main body 41 is pushed into the leg locking hole 24 while being expanded by the spring property, and when the leg main body 41 climbs over the locking projection 25, the locking projection is inserted into the frame of the leg main body 41. 25 is fitted and locked.
As a result, the connecting leg portion 4 is locked to the case body 2 , and the exterior member 3 is arranged on the upper side (viewing side) of the case body 2 .

Then, when the exterior member 3 is arranged on the upper side (visible side) of the case body 2 , the cover member 5 is attached from the lower side of the case body 2 so as to cover the back cover 17 .
At this time, the restricting portion 52 is located at a position corresponding to the leg locking hole 24 into which the connecting leg 4 is fitted. As a result, as shown in FIG. 8 , the restricting portion 52 is arranged along the connecting leg portion 4 , thereby preventing the locking projection 25 from coming off the frame of the leg portion main body 41 of the connecting leg portion 4 . .
The cover member 5 is fixed to the case body 2 via the back cover 17 with screws 19 .
In the attached state in which the cover member 5 is attached to the case main body 2 in this way, the connection leg portion 4 is maintained in the locked state to the case main body 2 .
This completes the assembly of the timepiece 100 of the present embodiment.

Therefore, in the watch case 10 of the present embodiment, by locking the connecting leg portion 4 to the case body 2, the exterior member 3 can be fixed to the case body 2 without fixing with screws or the like.
In addition, since screws and the like do not appear in the appearance of the exterior member 3, the timepiece 100 can be made without restrictions such as design.

As described above, according to this embodiment, the watch case 10 includes the case body 2 , the exterior member 3 arranged on the visible side of the case body 2 , and the cover member 5 attached to the back side of the case body 2 . The exterior member 3 is provided with connecting legs 4 extending toward the back side of the case main body 2 . By engaging with one of them, the arrangement state of being arranged on the viewing side of the case body 2 is maintained.
Therefore, it is possible to fix the exterior member 3 to the case main body 2 with a simple structure, without using a method such as screw fixing, more firmly and stably than in the case of adhesive fixing or press-fit fixing.
Since it does not rely on adhesive fixing, it is easy to handle, and even if the exterior member 3 is partially damaged or damaged, the exterior member 3 can be easily removed and replaced or repaired. can be done.
In addition, since screws are not used to fix the exterior member 3, there is no risk that the screws will be exposed on the external appearance surface that is visible and that the appearance will be spoiled, or the design will be restricted. case) can be realized.

Further, in this embodiment, the connecting leg portion 4 is configured as a separate member that can be attached to and detached from the exterior member 3 .
According to this, even when a part of the connecting leg portion 4 is damaged, it can be easily replaced as a consumable part, which facilitates the handling in the case of repair or the like.
Further, if the connecting leg portion 4 is made of a hard material, the exterior member 3 can be fixed to the case body 2 side, and the exterior member 3 itself may be made of a soft material. . Therefore, by forming the connecting leg portion 4 as a separate member from the exterior member 3, the degree of freedom in selecting materials for forming the exterior member 3 is improved.

Moreover, in this embodiment, a plurality of connecting leg portions 4 are provided, and these are formed in the same shape.
Therefore, the exterior member 3 can be reliably and firmly fixed to the case body 2 by the plurality of connecting legs 4 .
Furthermore, since the plurality of connecting legs 4 have the same shape, mass production as a general-purpose product is easy, and the cost can be kept low. Moreover, even when a part of the connecting leg portion 4 is damaged, it can be easily replaced as a consumable part.

Further, in the present embodiment, the cover member 5 is provided with the restricting portion 52 so that when the cover member 5 is attached to the case main body 2 , the connecting leg portion 4 is kept in a locked state with the case main body 2 . It's like
Accordingly, when the connecting leg portion 4 is locked to the case body 2 , by attaching the cover member 5 , the locking state of the connecting leg portion 4 to the case body 2 can be more reliably maintained. .

Moreover, when the watch case 10 shown in the present embodiment is applied to the watch 100, screws and the like do not appear in parts that affect the appearance, such as the exterior member 3, so that the appearance is not spoiled.
In addition, since the exterior member 3 is fixed to the case body 2 by the connecting legs 4 provided on the back side (that is, the non-visible side) of the exterior member 3, the front side can be freely designed. A timepiece 100 with excellent performance can be realized.
Furthermore, even when the watch case 10 is provided with an exterior member 3 such as a heavy bezel due to the design of the timepiece 100, the exterior member 3 can be firmly attached to the case body without screw fixing.

Although the embodiments of the present invention have been described above, the present invention is not limited to such embodiments, and it goes without saying that various modifications are possible without departing from the scope of the invention.

For example, in the present embodiment, the connecting leg portion 4 of the exterior member 3 is engaged with the case main body 2 , but the connecting leg portion 4 of the exterior member 3 is connected to at least the case main body 2 and the cover member 5 . By being locked to either one, it is sufficient that the arrangement state arranged on the viewing side of the case main body 2 is maintained, and the connecting leg portion 4 is not limited to the case main body 2 to be locked. .
For example, the connecting leg portion 4 may be engaged with both the case body 2 and the cover member 5 .
Further, for example, as shown in FIG. 9 , the connecting leg portion 4 may be engaged with the cover member 5 via the case body 2 .
In this case, the case main body 2 is provided with a leg locking hole 24 for allowing the connection leg 4 to pass through, and the locking projection 25 is not provided inside the leg locking hole 24 .
Then, on the inner surface of the cover member 5, a locking projection is provided at a position corresponding to the frame-shaped locking hole 411 of the leg body 41 of the connecting leg 4 (for example, the inner side surface of the restricting portion 52 in FIG. 9). 54 is provided. Also in this case, it is preferable that the portion of the locking projection 54 that abuts against the leg main body 41 is formed as an inclined surface 54a with an inclination or a radius.
In this case, when the cover member 5 is attached to the case body 2, the movement of the connecting leg portion 4 in the lateral (radial) direction (horizontal direction in FIG. 9) with respect to the case body 2 is restricted. is maintained with respect to the cover member 5, and the arranged state in which the exterior member 3 is arranged on the upper side of the case main body 2 is maintained.
With such a configuration, the exterior member 3 can be easily arranged with respect to the case body 2 .
Also in this case, the exterior member 3 can be easily arranged on the upper side of the case body 2 without using screws or the like.

Further, in this embodiment, as shown in FIG. is not limited to
When the exterior member 3 is locked to the case body using the connecting legs 4, it is necessary to lock at least two points. Therefore, two or more leg mounting portions 32 are provided. In order to lock the exterior member 3 to the case body in a well-balanced manner, the connection legs 4 are preferably arranged at equal intervals in the circumferential direction of the exterior member 3 or at positions facing each other. The mounting portion 32 is also arranged at a corresponding position.

In addition, in the present embodiment, the connecting leg portion 4 is formed as a separate member from the exterior member 3 and configured to be detachable from the exterior member 3, but the connecting leg portion 4 is formed integrally with the exterior member 3. can be anything.
In this case, there is no fear that the connecting leg 4 will be lost or unintentionally come off from the exterior member compared to the case where the members are separate members, and the members can be easily managed.
In this case, the exterior member 3 and the connecting leg portion 4 must be made of the same material. preferably.

Moreover, in this embodiment, although the case where all the connection leg parts 4 were formed in the same shape was illustrated, the shape of the connection leg part 4, etc. are not limited to this.
For example, the size and shape of the connecting leg 4 may be changed according to the position of arrangement.

In this embodiment, the cover member 5 is provided in addition to the back cover 17. For example, the cover member may also serve as the back cover. It may be provided or provided with a structure for locking the connecting leg portion 4 .
In this case, the configuration of the back side of the watch case 10 (equipment case) can be simplified and the number of parts can be reduced.

Further, in this embodiment, the device case is the watch case 10, and the device case is applied to the watch 100, but the device case is not limited to being applied to the watch.
For example, the device case of the present invention may be applied to device cases for pedometers, heart rate meters, altimeters, barometers, and the like.

Although several embodiments of the present invention have been described above, the scope of the present invention is not limited to the above-described embodiments, and includes the scope of the invention described in the claims and equivalent ranges thereof. .
The invention described in the scope of claims originally attached to the application form of this application is additionally described below. The claim numbers in the appendix are as in the claims originally attached to the filing of this application.
[Appendix]
<Claim 1>
the case body and
an exterior member arranged on the viewing side of the case body;
a cover member attached to the back side of the case body;
with
The exterior member is provided with a connecting leg extending toward the back side of the case body,
the exterior member has the connecting leg portion locked to at least one of the case main body and the cover member;
The cover member is a device case that regulates the connection leg.
<Claim 2>
2. The device case according to claim 1, wherein the connecting leg portion is configured as a separate member that can be attached to and detached from the exterior member.
<Claim 3>
3. The equipment case according to claim 1, wherein a plurality of said connecting legs are provided and formed in the same shape.
<Claim 4>
The connecting leg is locked to the case body,
4. The cover member according to any one of claims 1 to 3, wherein the cover member includes a restricting portion that restricts movement of the connecting leg portion with respect to the case body in an attached state attached to the case body. equipment case.
<Claim 5>
The connecting leg is engaged with the cover member via the case body,
4. The device case according to any one of claims 1 to 3, wherein the connecting leg portion is regulated in an attached state in which the cover member is attached to the case main body.
<Claim 6>
A timepiece comprising the device case according to any one of claims 1 to 5.

2 Case body 3 Exterior member 4 Connecting leg 5 Cover member 10 Watch case 21 Cylindrical portion 22 Flange 24 Leg locking hole 25 Locking projection 25a Inclined surface 32 Leg attachment 41 Leg body 42 Base 43 Locking portion 52 Regulating portion 54 Locking convex portion 54a Inclined surface 100 Clock

Claims (9)

a first step of arranging an exterior member provided with connecting legs extending toward the back side of the case body on the viewing side of the case body ;
a second step of attaching a cover member for regulating the connecting leg portion to the back side of the case main body;
including
A method for manufacturing a device case, wherein the connecting leg portion of the exterior member is engaged with at least one of the case main body and the cover member. 2. The method of manufacturing a device case according to claim 1, further comprising, prior to the first step, attaching a cover glass via a waterproof ring so as to close the opening on the surface side of the case body. 3. The manufacturing of the device case according to claim 1, further comprising, before the first step, attaching the connecting legs to leg attachment portions formed on the exterior member. Method. 4. The first step includes inserting the connecting leg attached to the exterior member into a leg locking hole formed in the case main body. A method for manufacturing the device case described in the paragraph. In the second step, a restricting portion erected from an outer peripheral edge of the cover member is positioned at a position corresponding to the leg locking hole of the case body into which the connecting leg is fitted. 5. The device according to claim 4, wherein the locking protrusion formed inside the leg locking hole of the case main body is pushed into the frame of the frame-shaped portion of the connecting leg. How the case is made. 6. The method of manufacturing a device case according to any one of claims 1 to 5, wherein in the second step, the cover member is attached so as to cover the back cover from the lower side of the case main body. In the second step, the back cover is arranged via a waterproof ring so as to close the opening on the back side of the case body, and the cover member is fixed to the case body with screws via the back cover. The manufacturing method of the device case according to claim 6. 8. The method of manufacturing a device case according to claim 1, wherein the connecting leg portion is configured as a separate member that can be attached to and detached from the exterior member. A method for manufacturing a timepiece comprising a device case including a case body and an exterior member,
a first step of arranging the exterior member provided with connecting legs extending toward the back side of the case body on the visible side of the case body;
a second step of attaching a cover member for regulating the connecting leg portion to the back side of the case main body;
including
A method of manufacturing a timepiece, wherein the connecting leg portion of the exterior member is engaged with at least one of the case body and the cover member.

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