Button mounting mechanism

Abstract

The invention provides a button mounting mechanism which can restrain wear of a holding part, a mounting part, a button component and the like while keeping the holding force to the button component in an initial state. The present invention relates to a button mounting mechanism for mounting a button member on a fabric. The button mounting mechanism is provided with: a pair of first holding parts that hold the button member therebetween and that are displaceable in a closing direction in which the button member is held and an opening direction in which the holding of the button member is released; a first elastic member that urges the first holding portion in the closing direction; an impelling part capable of impelling the first holding part in the closing direction except for the impelling of the first elastic member in the closing direction on the first holding part; and a moving unit that moves the button member to an attachment position on the fabric. The moving part releases or reduces the force applied to the first holding part by the force application adding part in the process of moving to the mounting position, and displaces the first holding part of which the force applied by the force application adding part is released or reduced in the opening direction.

Description

Technical Field

[0001] This invention relates to a button mounting mechanism, and more specifically, to a button mounting mechanism for mounting the body of a snap fastener to fabric via mounting members or the like. Background Technology

[0002] When attaching the snap fastener to fabric such as clothing using an mounting component, typically the upper mold holds the snap fastener, and the lower mold holds the mounting component. After the fabric is placed onto the lower mold, the upper and lower molds are engaged. As a result, a portion of the mounting component extends upwards through the fabric and is secured to the snap fastener.

[0003] The lower die includes a pair of retaining parts, a spring that forces these retaining parts toward each other in a closed direction, and a moving part. The mounting member is held between the pair of retaining parts, which are forceped toward the closed direction by the spring. During operation of the lower die, the moving part rises, causing the pair of retaining parts to displace in an open direction, away from each other, against the force of the spring. This releases the retaining parts from holding the mounting member. The mounting member is then conveyed by the moving part to its mounting position on the fabric.

[0004] In the aforementioned lower mold, the moving part contacts the conical surfaces of each retaining part, causing the pair of retaining parts to displace in the opening direction against the force of the spring. This releases the retaining parts from the mounting component, but at the moment of release, the retaining parts, moving part, and mounting component come into contact with each other. Due to repeated contact, wear occurs on the retaining parts, moving part, and mounting component. Therefore, regular cleaning is necessary. Furthermore, to prevent malfunctions due to wear and deterioration, repairs and replacements of the retaining parts and moving part are required.

[0005] To reduce the aforementioned wear, it is possible to reduce the force of the spring to decrease the force that causes the pair of retaining parts to displace in the opening direction against the spring force. However, in this case, the retaining force that initially holds the mounting member between the pair of retaining parts is insufficient, and the posture of the mounting member may become unstable, such as tilting. Summary of the Invention

[0006] The problem that the invention aims to solve

[0007] The present invention was made in view of the above-mentioned problems, and its object is to provide a button mounting mechanism that can maintain the holding force on the button member in the initial state while suppressing wear on the holding part, mounting part, button member, etc.

[0008] Solution for solving the problem

[0009] To address the aforementioned issues, according to the present invention, a button mounting mechanism is provided, which mounts a button component onto fabric, wherein the button mounting mechanism comprises:

[0010] The first retaining part is a pair of first retaining parts that hold the button member therebetween, and is capable of displacement in the closed direction of holding the button member and in the open direction of releasing the button member from holding;

[0011] A first elastic member applies force to the first retaining portion in the closing direction;

[0012] A force-applying attachment, capable of applying a force to the first retaining portion in the closing direction, in addition to the force applied by the first elastic member to the first retaining portion in the closing direction; and

[0013] The movable part moves the button component toward its mounting position on the fabric.

[0014] During the movement of the moving part toward the installation position, the force applied by the force-applying attachment to the first holding part is released or reduced, and the first holding part, whose force applied by the force-applying attachment has been released or reduced, is displaced in the opening direction.

[0015] In this invention, the button component refers to a snap button or similar button, button body, mounting component, etc., which are attached to fabrics such as clothing. In this specification, the mounting component is mainly exemplified as a button component, but it is not limited thereto.

[0016] In the button mounting mechanism of the present invention, the button member is held between a pair of first retaining portions in the initial state. At this time, the first retaining portions are subjected to a closing force by the first elastic member and also by a force-applying supplementary portion in the closing direction. Therefore, the force that holds the button member in the initial state by the first retaining portions is the sum of the force F1 exerted by the first elastic member on the first retaining portion in the closing direction and the force F2 exerted by the force-applying supplementary portion on the first retaining portion in the closing direction, F1 + F2. If the force holding the button member in the initial state is insufficient, the posture of the button member may become unstable. Therefore, the holding force on the button member in the initial state is set to a certain value or higher.

[0017] If the holding force on the button member in the initial state is defined as F(N), then the sum of the force F1 exerted by the first elastic member on the first retaining part in the closing direction and the force F2 exerted by the force-applying auxiliary part on the first retaining part in the closing direction is F(N) (F(N) = F1 + F2). In this invention, the holding force F on the button member in the initial state can be divided into F1 and F2. Furthermore, in this specification, the force exerted by the first retaining part in the closing direction is substantially the same as the force exerted by the first retaining part to hold the button member. Hereinafter, for ease of understanding, the force exerted by the first elastic member on the first retaining part in the closing direction in the initial state will be defined as the first force F1 = 1 / 2 F(N), and the force exerted by the force-applying auxiliary part on the first retaining part in the closing direction will be defined as the second force F2 = 1 / 2 F(N).

[0018] The moving part moves from its initial position to the installation position of the button component. During this movement, the moving part releases the force applied by the force-applying attachment to the first holding part (first release step), and then causes the first holding part to overcome the force applied by the first elastic member and move in the opening direction (second release step). In the first release step, the force applied by the force-applying attachment to the first holding part is released. However, the release of this force is not complete; it is reduced to a certain extent. Through the first release step, the second force F2 is released, so the button component is held only by the first force F1, and the holding force on the button component is reduced from F (N) in the initial state to 1 / 2F (N).

[0019] Next, in the second release step, the moving part displaces the first holding part in the opening direction, thereby releasing the first holding part from holding the button member. As a result, the holding force on the button member becomes 0 (N). In the second release step, the force that the moving part overcomes in order to displace the first holding part in the opening direction is only the first force F1 (1 / 2F (N)). Therefore, even if the first holding part, the moving part, the button member, etc., come into contact with each other in the second release step, the wear caused by this can be suppressed.

[0020] In one embodiment of the present invention, the force-applying attachment includes: a pair of second retaining portions, the pair of second retaining portions being displaceable between a first position holding the first retaining portion and a second position releasing the first retaining portion; and a second elastic member, the second elastic member applying force to the second retaining portion toward the first position. In this embodiment, the first retaining portion holding the button member is held between a pair of second retaining portions that are applied force to the first position by the second elastic member. The force by which the second retaining portion holds the first retaining portion through the force applied by the second elastic member is the aforementioned second force F2. Furthermore, in the aforementioned first release step, the moving portion causes the second retaining portion to displace from the first position to the second position against the force applied by the second elastic member. Thus, the second force F2 is released. In one embodiment of the present invention, the second retaining portion has a surface that presses the opening direction side of the first retaining portion at the first position ( Figure 2 The pressing part is located on the left and right outer sides of the first holding part 20 (e.g., the second holding part). When the second holding part moves from the first position to the second position, the pressing part moves away from the opening side of the first holding part.

[0021] In one embodiment of the invention, the second retaining portion has a contact portion disposed at the first position within the movement path of the moving portion and capable of contacting the moving portion. The moving portion contacts the contact portion, causing the second retaining portion to displace from the first position to the second position, and the contact portion to leave the movement path at the second position. The moving portion moves from its initial position to the mounting position of the button member; however, in this embodiment, the contact portion of the second retaining portion enters the movement path of the moving portion at the first position. Thus, during the movement process, the moving portion contacts the contact portion of the second retaining portion located within the movement path in the first release step, pushing the contact portion away from the movement path to the second position. Consequently, the second elastic member displaces from the first position to the second position.

[0022] In one embodiment of the present invention, the second holding portion has a first shaft portion, and the moving portion contacts the second holding portion, causing the second holding portion to displace from the first position to the second position about the first shaft portion. In this embodiment, during the movement process, the moving portion contacts the second holding portion located at the first position in the first release step, thereby causing the second holding portion to rotate about the first shaft portion and displace from the first position to the second position.

[0023] In one embodiment of the invention, the second holding portion has a rotating member that rotates by friction with the moving portion, and the contact portion is part of the rotating member. In this embodiment, during the movement process in the first release step, the moving portion contacts the contact portion of the rotating member located within the movement path, pushing the rotating member outward from the movement path and displacing the second holding portion to a second position. At this time, the rotating member rotates by friction with the moving portion. By providing such a rotating member, the displacement of the second holding portion from the first position to the second position can be smoothly performed. In one embodiment of the invention, the second holding portion has a second shaft portion, and the rotating member rotates about the second shaft portion.

[0024] In one embodiment of the invention, the second holding portion has a first shaft portion, and the moving portion contacts the second holding portion to cause the second holding portion to displace from the first position to the second position about the first shaft portion. The contact portion is disposed downstream of the moving portion in the movement path of the moving portion, relative to the first shaft portion. The moving portion moves downstream in the movement path from an initial position upstream (in... Figures 1-6 The mounting position (located above the center) is moved. The contact portion of the rotating member, including the second shaft portion, is positioned downstream of the moving path than the first shaft portion.

[0025] The effects of the invention

[0026] In this invention, in the initial state where the button member is initially held by the first holding part, the force with which the button member is held by the first holding part is the sum of the force exerted by the first elastic member on the first holding part in the closing direction and the force exerted by the force-applying auxiliary part on the first holding part in the closing direction. Furthermore, the moving part releases the force exerted by the force-applying auxiliary part on the first holding part, and then the first holding part is displaced in the opening direction against the force exerted by the first elastic member. Thus, the force required by the moving part to displace the first holding part in the opening direction is reduced from the initial state. Therefore, even if the first holding part, the moving part, the button member, etc., come into contact with each other, wear caused by this can be suppressed. Attached Figure Description

[0027] Figure 1 This is a cross-sectional view of the button mounting mechanism according to the first embodiment of the present invention, showing the initial state of the button mounting mechanism.

[0028] Figure 2 yes Figure 1 A magnified view of a portion of the image.

[0029] Figure 3 This is a cross-sectional view of the button mounting mechanism in a state where the moving part has released the force-applying attachment from the first retaining part.

[0030] Figure 4 yes Figure 3A magnified view of a portion of the image.

[0031] Figure 5 This is a cross-sectional view of the button mounting mechanism in a state where the moving part releases the first retaining part and moves the mounting member to the mounting position.

[0032] Figure 6 yes Figure 5 A magnified view of a portion of the image.

[0033] Figure 7 This indicates the initial state of the button mounting mechanism according to the second embodiment of the present invention. Figure 2 The same sectional view.

[0034] Figure 8 This indicates that the moving part has released the force-applying attachment from the first holding part, and... Figure 4 The same sectional view.

[0035] Figure 9 This is a sectional view of an installation component, exemplified by a button component.

[0036] Figure 10 This is a sectional view showing another example of a button component.

[0037] Figure 11 This is a sectional view showing another example of a button component.

[0038] Figure 12 This is a sectional view showing another example of a button component.

[0039] Figure 13 This is a sectional view showing another example of a button component. Detailed Implementation

[0040] Hereinafter, some embodiments of the present invention will be described based on the accompanying drawings, but the present invention is not limited to such embodiments. Figure 1 This is a cross-sectional view of the button mounting mechanism 10 according to the first embodiment of the present invention, showing the initial state of the button mounting mechanism 10. Figure 2 yes Figure 1 A partially enlarged view. The button mounting mechanism 10 can, for example, be mounted on the lower mold on one side of the mounting member that holds the snap in the automatic snap mounting machine. In this case, the body of the snap is supplied and held in the upper mold of the automatic snap mounting machine.

[0041] The following description of the up-down and left-right directions of the button mounting mechanism 10 is based on... Figures 1-6 The direction is as follows. The upper part is downstream in the movement path of the moving part 40, which will be described later. Additionally, below, as a button member installed onto the fabric f via the button mounting mechanism 10, ... Figure 9The following explanation uses mounting component 1 as an example. Other examples of button components will be described later.

[0042] The button mounting mechanism 10 includes: a support portion 11 for supporting fabric f; a pair of left and right first retaining portions 20 for holding mounting member 1 therebetween; and a first elastic member 29 (only) that applies force to the left and right first retaining portions 20 toward the closed direction (inner side of the left and right direction) for holding mounting member 1. Figure 2 (shown); a force-applying supplementary part 30 that applies force to the first retaining part 20 in the closing direction in addition to the force applied by the first elastic member 29 to the first retaining part 20; and a mounting position that directs the mounting member 1 toward the fabric f (see reference). Figure 6 The movable part 40 moves (etc.). Details will be described later, but the left and right first retaining parts 20 can overcome the force applied by the first elastic member 29 and move in the opening direction (outward in the left and right direction), thereby releasing the retaining of the mounting member 1 by the displacement in the opening direction. As the first elastic member 29 and the second elastic member 39 described later, springs, rubber, etc. can be used.

[0043] The moving part 40 is a smaller diameter portion that extends concentrically upward from the cylindrical large-diameter portion 41. The large-diameter portion 41 is housed in the housing 50 and moves up and down within the housing 50 via a drive unit (not shown), thereby moving the moving part 40 up and down as well. A guide stop 13 is connected to the upper end of the housing 50. The guide stop 13 guides the up and down movement of the moving part 40 concentrically with the housing 50 and restricts the upward movement of the moving part 40. Front and rear side portions 12 are provided upward from the guide stop 13. A first holding portion 20 is disposed on the front and rear side portions 12, and a support portion 11 is disposed on the first holding portion 20. The support portion 11 does not shift in the left and right direction. A force-applying additional portion 30, except for the pressing portion 33 described later, is disposed below the first holding portion 20.

[0044] Each first retaining portion 20 has a vertical surface 21 and a conical surface 22 inclined downward from the vertical surface 21 on its inner side in the left-right direction. The vertical surface 21 is along the vertical direction. The conical surface 22 is inclined downward in a manner that gradually increases the distance between the left and right first retaining portions 20. The vertical surface 21 and the conical surface 22 may also be arc-shaped or curved in a horizontal plane perpendicular to the vertical direction. A groove 23 is formed near the conical surface 22 in each vertical surface 21 to partially accommodate the base 1a of the mounting member 1. The left and right first retaining portions 20 are forced in the closing direction by the first elastic member 29, accommodating the base 1a of the mounting member 1 in the groove 23 while holding the mounting member 1 between the left and right first retaining portions 20.

[0045] The force-applying attachment 30 includes a pair of left and right second retaining portions 31 and a second elastic member 39. The left and right second retaining portions 31 retain the left and right first retaining portions 20 that are currently retaining the mounting member 1 in a first position, and release the retaining force of the first retaining portions 20 in a second position. The second elastic member 39 applies force to the left and right second retaining portions 31 toward the first position, thereby retaining the first retaining portion in the first position. Details will be described later, but the second retaining portions 31 can overcome the force applied by the second elastic member 39 and displace toward the second position, thereby releasing the retaining force of the first retaining portion 20.

[0046] Each second holding portion 31 rotates about a first shaft portion 32 and shifts between a first position and a second position. The first shaft portion 32 is supported by the front and rear side portions 12. Furthermore, each second holding portion 31 has a pressing portion 33 that presses against the left and right outer sides (opening side surfaces) of each first holding portion 20 at the first position. The pressing portion 33 moves away from the first holding portion 20 at the second position. Each second holding portion 31 also has a roller 34 that serves as a rotating member. The roller 34 is rotatable about a second shaft portion 35 supported by the second holding portion 31. The roller 34 includes a contact portion 34a that enters the movement path of the moving portion 40 at the first position of the second holding portion 31.

[0047] Reference Figure 9 Mounting member 1 is a metal component having an annular base 1a and a plurality of pins 1b protruding from the base 1a. In this example, there are five pins 1b, but it is not limited to this. Mounting member 1 is used to mount the body of a snap fastener (not shown) onto fabric f.

[0048] initial state

[0049] exist Figure 1 and Figure 2 In the initial state of the button mounting mechanism 10 shown, the first retaining portion 20 is held in place by the first elastic member 29 applying force in the closing direction to hold the mounting member 1. In this state, the first retaining portion 20 is also held in place by the force-applying additional portion 30 applying force in the closing direction. That is, the second retaining portion 31 is held in place by the second elastic member 39 applying force to the first position, and the first retaining portion 20 is held in place by the pressing portion 33. Therefore, in the initial state, the force F that holds the mounting member 1 in place by the first retaining portion 20 is the sum of the force F1 applied by the first elastic member 29 to hold the first retaining portion 20 in the closing direction and the force F2 applied by the second elastic member 39 of the force-applying additional portion 30 via the second retaining portion 31 (F1+F2). Furthermore, in the initial state, the moving portion 40 is located in the lowest initial position.

[0050] Release of force applied by the force-applying attachment (first release procedure)

[0051] Figure 3This is a cross-sectional view of the button mounting mechanism 10 in a state where the moving part 40 releases the force-applying attachment part 30 from holding the first holding part 20. Figure 4 yes Figure 3 A partially enlarged view. When the moving part 40 rises from its initial position, it contacts the contact portion 34a of the roller 34 of the second holding part 31 that has entered the moving path of the moving part 40, pushing the contact portion 34a away from the moving path. The moving part 40 contacts the contact portion 34a just before it is about to contact the conical surface 22 of the first holding part 20. As a result, the contact portion 34a moves out of the moving path. As a result, the left and right second holding parts 31 overcome the force applied by the second elastic member 39 and rotate and displace from the first position to the second position with the first shaft part 32 as the center, releasing the holding of the first holding part 20. As a result, the force applied by the force-applying additional part 30 to the first holding part and the holding are released. Therefore, at this moment, the mounting member 1 is held by the force F1 applied by the first elastic member 29 to the first holding part 20 in the closing direction.

[0052] In the first embodiment, when the moving part 40 pushes the contact part 34a of the roller 34 away from the moving path, the roller 34 rotates around the second shaft part 35 due to the friction between the moving part 40 and the roller 34. As a result, the displacement of the second holding part 31 from the first position to the second position becomes smoother.

[0053] exist Figure 3 and Figure 4 The image shows the moment when the moving part 40 displaces the second holding part 31 to the second position and rises further to contact the conical surface 22 of the first holding part 20.

[0054] Release of the first holding part (second release process)

[0055] Figure 5 This is a cross-sectional view of the button mounting mechanism 10 in a state where the moving part 40 releases the first holding part 20 and moves the mounting member 1 to the mounting position. Figure 6 yes Figure 5A partially enlarged view. When the moving part 40, having released the force from the force-applying attachment 30, rises further, it contacts the conical surface 22 of the first holding part 20, causing the left and right first holding parts 20 to overcome the force of the first elastic member 29 and displace in the opening direction. As a result, the first holding part 20 releases its hold on the mounting member 1, and the mounting member 1, multiplied by the top surface of the moving part 40, is conveyed to the mounting position. Since the force F2 of the force-applying attachment 30 has been released, the force that the moving part 40 needs to overcome to displace the first holding part 20 in the opening direction is only the force F1 exerted by the first elastic member 29 on the first holding part 20. Thus, the force required by the moving part 40 to displace the first holding part 20 in the opening direction is reduced from F1+F2 in the initial state to F1. Therefore, even when the first holding part 20, the moving part 40, and the mounting member 1 are in contact with each other when the hold of the first holding part 20 is released, the resulting wear can be suppressed.

[0056] The mounting component 1 is conveyed to the mounting position by the moving part 40, which releases the first holding part 20. Here, the pin 1b of the mounting component 1 passes through the fabric f upward and is then fastened to the fabric f by the upper mold 60.

[0057] In the first embodiment described above, when the moving part 40 displaces the second holding part 31 from the first position to the second position, it contacts the contact part 34a of the roller 34 and pushes the second holding part 31 away from the movement path. At this time, the roller 34 rotates due to friction with the moving part 40. However, in the present invention, the second holding part can also be displaced from the first position to the second position without the roller or the like rotating, as will be explained below.

[0058] Figure 7 This indicates the initial state of the button mounting mechanism 10A according to the second embodiment of the present invention. Figure 2 The same cross-sectional view. In the button mounting mechanism 10A of the second embodiment and the button mounting mechanism of the first embodiment, the structures other than the force-applying attachments 30A and 30 are the same. Furthermore, the first shaft portion 32 and the pressing portion 33 of the force-applying attachments 30A and 30 are also common, therefore the same reference numerals are used. The force-applying attachment 30A of the button mounting mechanism 10A includes left and right second holding portions 31A. Each second holding portion 31A does not have a roller 34, but has a contact portion 34b that enters the movement path of the moving portion 120 in the initial first position.

[0059] Figure 8 This indicates that the moving part 40 has released the force-applying attachment part 30A from the state of holding the first holding part 20. Figure 4The same cross-sectional view. When the moving part 40 rises from the initial position, it contacts the contact part 34b in the movement path of the moving part 40, pushing the contact part 34b away from the movement path. The moving part 40 contacts the contact part 34b just before it contacts the tapered surface 22 of the first holding part 20. As a result, the contact part 34b moves out of the movement path. As a result, the left and right second holding parts 31A overcome the force of the second elastic member 39 and rotate and displace from the first position to the second position with the first shaft part 32 as the center, releasing the holding of the first holding part 20. Then, the moving part 40 releases the holding of the first holding part 20 in the same way as in the first embodiment, and transports the mounting member 1 to the mounting position.

[0060] Figures 10-13 This is a sectional view showing another example of a mounting component as a button component. Figure 10 The mounting member 2 has an annular base 2a and a plurality of pins 2b protruding from the base 2a. The base 2a is formed by covering the base ends of the pins 2b by a covering member. Figure 11 The mounting component 3 has a circular plate-shaped base 3a and a cylindrical pin 3b protruding from the base 3a. Figure 12 The mounting member 4 has a generally circular plate-shaped base 4a and a cylindrical pin 4b protruding from the base 4a. The base 4a is formed by covering the base end of the pin 4b by a covering member. Figure 13 The mounting component 5 has a circular plate-shaped base 5a and a cylindrical or cylindrical pin 5b protruding from the base 5a. Mounting components 2 to 5 are mounted to the fabric via button mounting mechanisms 10 and 10A, similar to mounting component 1.

[0061] Explanation of reference numerals in the attached figures

[0062] 1, 2, 3, 4, 5 Button components (installation components)

[0063] 10, 10A Button Mounting Mechanism

[0064] 20 First Maintenance Department

[0065] 29 First elastic member

[0066] 30, 30A Force-Applying Attachment

[0067] 31, 31A Second Holding Section

[0068] 32 First shaft section

[0069] 33 Pressing part

[0070] 34 Rotating component (roller)

[0071] Contact parts 34a and 34b

[0072] 35 Second shaft section

[0073] 39 Second elastic member

[0074] 40. Mobile Department

[0075] f. Fabric.

Claims

1. A button mounting mechanism (10, 10A) for mounting button components (1, 2, 3, 4, 5) onto fabric (f), wherein, The button mounting mechanism has the following features: First holding part (20), the first holding part is a pair of first holding parts (20) that hold the button members (1, 2, 3, 4, 5) therebetween, and can be displaced in the closed direction of holding the button members (1, 2, 3, 4, 5) and in the open direction of releasing the holding of the button members (1, 2, 3, 4, 5); The first elastic member (29) applies force to the first retaining part (20) in the closing direction; The force-applying attachment (30, 30A) is capable of applying force to the first holding part (20) in the closing direction, in addition to the force applied by the first elastic member (29) to the first holding part (20) in the closing direction; as well as The moving part (40) moves the button components (1, 2, 3, 4, 5) toward the mounting position on the fabric (f). During the movement of the moving part (40) toward the installation position, the force applied by the force-applying attachment part (30, 30A) to the first holding part (20) is released or reduced, and the first holding part (20) whose force applied by the force-applying attachment part (30, 30A) has been released or reduced is displaced in the opening direction.

2. The button mounting mechanism according to claim 1, wherein, The force-applying attachment (30, 30A) includes: a pair of second retaining portions (31, 31A) that are displaceable between a first position holding the first retaining portion (20) and a second position releasing the first retaining portion (20); and a second elastic member (39) that applies force to the second retaining portions (31, 31A) toward the first position.

3. The button mounting mechanism according to claim 2, wherein, The second holding part (31, 31A) has a contact part (34a, 34b) disposed in the moving path of the moving part (40) at the first position and capable of contacting the moving part (40). The moving part (40) contacts the contact part (34a, 34b) to displace the second holding part (31, 31A) from the first position to the second position, and the contact part (34a, 34b) leaves the moving path at the second position.

4. The button mounting mechanism according to claim 2, wherein, The second holding part (31, 31A) has a first shaft part (32), and the moving part (40) contacts the second holding part (31, 31A) to cause the second holding part (31, 31A) to move from the first position to the second position with the first shaft part (32) as the center.

5. The button mounting mechanism according to claim 3, wherein, The second holding part (31) has a rotating member (34) that rotates by friction with the moving part (40), and the contact part (34a) is part of the rotating member (34).

6. The button mounting mechanism according to claim 5, wherein, The second holding part (31) has a second shaft part (35), and the rotating member (34) rotates about the second shaft part (35).

7. The button mounting mechanism according to claim 3, wherein, The second holding part (31, 31A) has a first shaft part (32), and the moving part (40) contacts the second holding part (31, 31A) to cause the second holding part (31, 31A) to move from the first position to the second position with the first shaft part (32) as the center. The contact part (34a, 34b) is arranged downstream of the moving part (40) in the moving path of the moving part (40) than the first shaft part (32).

8. The button mounting mechanism according to claim 2, wherein, The second holding part (31, 31A) has a pressing part (33) that presses the opening side surface of the first holding part (20) at the first position.

Images