Transmitter

Abstract

To prevent loosening from occurring at an opening edge part in a center of the skin or a peripheral edge part therein in a transmitter having a skin consisting of a woven fabric adhered to an outer surface of an outer surface cover.SOLUTION: A transmitter comprises: a main body part that builds in a push button switch to be put into an ON state by a pressuring operation from outside; an outer surface cover that is arranged outside of the main body part; and a protection plate that is arranged so as to locate outside of the push button switch, and has a rod part in a rear surface. In the transmitter configured so that the protection plate is pushed to thereby cause the rod part to turn on the push button switch, the outer surface cover includes the skin consisting of the woven fabric adhered to the outer surface, in which an opening is formed on an inner side, and in the skin, the opening is formed that is larger than a cross section of the rod part of the protection plate and smaller than a diameter of a pressuring part of the protection plate, and resin is adhered to an edge part of the opening.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to a transmitter and activation device (hereinafter referred to as a transmitter) for an alarm device that is installed on the wall or the like of a building and issues an alarm when operated in the event of an emergency. [Background technology]

[0002] Conventionally, manual transmitters equipped with push button switches are installed on walls at an appropriate height inside buildings to notify the occurrence of an emergency such as a fire. When an emergency occurs, a person who discovers the emergency presses the push button on the transmitter hard to turn on an internal switch, which transmits a signal notifying the occurrence of the emergency to a receiver, etc., and also emits an alarm sound from a bell installed near the transmitter, thereby notifying people in the vicinity of the occurrence of the emergency.

[0003] In addition, conventional transmitters generally had a structure in which the push button (protective plate) was urged outward by a compression spring, with the main body structure as the base, so as to generate resistance when the push button was pressed and to have the function of returning it to its original position. Some transmitters having such a configuration are provided integrally with an indicator light for indicating the presence of fire-related equipment (including the transmitter) (for example, Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2018-120516 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, the transmitter in Patent Document 1 has a spring built into the transmitter body case to provide resistance when the protective plate is pushed in and to return the protective plate to its original position, which makes the structure complex, leading to issues such as larger size and increased costs. Therefore, the applicant has invented and previously filed an invention for a transmitter that is configured to be positioned outside a push button switch and has a protective plate with a rod portion on its back, and is configured so that the push button switch is turned on when the protective plate is pressed, in which a skin made of elastic fabric (woven cloth) is attached to the outer surface of the outer cover, and an opening that is smaller than the diameter of the pressing portion of the protective plate and larger than the diameter of the rod portion is formed in the skin, and the rod portion is inserted into this opening so that the pressing portion is positioned inward from the outermost portion of the outer cover, thereby applying tension to the skin (Patent Application No. 2023-027960).

[0006] However, in the transmitter according to the above-mentioned prior invention, when a woven fabric is used as the skin attached to the outer surface of the exterior cover, the woven fabric needs to be cut in order to provide an opening in the center and to form the peripheral portion into a circle. Therefore, it was found that there is a problem that fraying may occur at the edge of the central opening or the cut edge of the peripheral portion, causing deformation of the skin, or that frayed threads may get into the sliding portion of the push button when the push button is pressed, causing malfunction.

[0007] The present invention has been made in response to the above-mentioned problems, and its purpose is to prevent fraying from occurring at the edge of the central opening or the peripheral edges of a transmitter in which a skin made of woven fabric is attached to the outer surface of an outer cover, thereby preventing deformation of the skin or frayed threads from getting into the sliding portion when the push button (protective plate) is pressed, causing malfunctions. [Means for solving the problem]

[0008] In order to solve the above problems, the present invention provides A transmitter comprising: a main body having a built-in push button switch which is turned on by pressing from the outside; an outer cover disposed on the outside of the main body; and a protective plate disposed outside the push button switch and having a rod portion on a rear surface thereof, the rod portion turning on the push button switch when the protective plate is pressed in, the outer cover includes a surface made of a woven fabric attached to an outer surface, and an opening is formed in the center in which the protective plate is disposed; An opening larger than the cross section of the rod portion and smaller than the diameter of the pressing portion of the protective plate is formed in the skin, and resin is attached to the edge of the opening.

[0009] With a transmitter having the above-described configuration, in a transmitter in which a skin made of woven fabric is attached to the outer surface of the outer cover, fraying can be prevented from occurring at the edge of the opening in the center of the skin, thereby avoiding deformation of the center of the skin and preventing frayed threads from getting into the sliding portion when the push button (protective plate) is pressed, causing malfunctions. Furthermore, since the surface of the outer cover is covered with a skin made of a soft woven fabric, the design is improved, and the opening edge in the center of the skin can be easily held down by the flange of the protective plate, eliminating the need for a complex structure to hold down the skin, thereby reducing manufacturing costs. Also, since the protective plate and the skin are in contact with each other without any gaps, the intrusion of dust and foreign matter can be prevented.

[0010] Here, it is preferable that the rod portion is inserted through the opening in the skin and the protective plate is positioned inward from the outermost part of the outer cover, thereby applying tension to the skin. With this configuration, the rod portion of the protective plate is inserted into the opening in the tensioned skin, and the flange portion of the protective plate comes into contact with the skin. This makes it possible to apply resistance when the protective plate is pushed in and to return the protective plate to its original position without incorporating a spring, thereby simplifying the structure of the transmitter and avoiding increases in size and costs.

[0011] Also, it is preferable that a resin is attached to the peripheral edge of the skin. According to this configuration, fraying can be prevented from occurring at the periphery of the skin made of woven fabric, and deformation can be mainly avoided in the peripheral portion of the skin.

[0012] Further, preferably, the outer cover includes a cover member having an opening at a position corresponding to the opening and made of a shape-retaining material, The skin is attached to an outer surface of the cover member, The skin is provided with a ring-shaped fixing portion along a peripheral portion, and a ring-shaped elastic body is disposed within the fixing portion, The elastic force of the ring-shaped elastic body is used to squeeze the peripheral edge of the skin toward the center on the inner surface side of the cover member, thereby applying tension to the skin. According to this configuration, the skin can be prevented from loosening and the tension of the skin can be kept constant, so that the shape of the transmitter can be stably maintained even if a stretchable woven fabric is used as the skin material. The resin may be applied to the skin at least before cutting the skin to form the opening. Effect of the Invention

[0013] According to the transmitter of the present invention, in a transmitter in which a skin made of woven fabric is attached to the outer surface of the outer cover, it is possible to prevent fraying from occurring at the edge of the central opening or the peripheral edges of the skin, thereby preventing deformation of the skin or frayed threads from getting into the sliding portion when the push button (protective plate) is pressed, causing malfunctions. [Brief description of the drawings]

[0014] [Figure 1] 1 is a perspective view showing the external appearance of a transmitter according to an embodiment of the present invention as viewed from the outside. [Diagram 2] 2 is a cross-sectional side view showing the internal structure of the transmitter of FIG. [Diagram 3]3 is an enlarged cross-sectional view showing a main part of the internal structure of the transmitter shown in FIG. 2. [Figure 4] 1. FIG. 4 is a perspective view of the inner surface side, illustrating a method of fixing the surface of the cover member of the light-emitting part that constitutes the transmitter with indicator lamp of FIG. [Diagram 5] 4 is a front view showing the configuration of a skin made of a woven fabric attached to an outer cover constituting the transmitter of the embodiment. FIG. [Figure 6] 10A to 10C are diagrams showing an example of how resin is applied to a surface made of a woven fabric that is attached to the outer cover of the transmitter of the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] The transmitter to which the present invention is applied is composed of an outer cover portion having a push button on the inside, a push button switch located inside the outer cover portion and turned on when the push button is pressed, and a transmitter main body portion which incorporates a circuit board which generates a signal when the switch is turned on and sends it to the outside. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a transmitter with an indicator lamp to which the present invention is applied will be described with reference to the drawings.

[0016] 1 and 2 show an embodiment of a transmitter with an indicator lamp to which the present invention is applied. Of these, Fig. 1 is an overall perspective view of the transmitter, and Fig. 2 is a sectional side view showing the internal structure of the transmitter shown in Fig. 1. As shown in FIG. 1, the transmitter of this embodiment is composed of a transmitter main body 10 equipped with a box-shaped storage case 12 with a built-in push button switch, and a transmitter cover 20 as a disk-shaped outer cover connected to the front of the transmitter main body 10, which has a push button 21 for protecting the push button switch located inside the center of the outer surface and has a light-emitting portion 22 around it.

[0017] As shown in FIG. 2, the push button (external protective plate) 21 has a rod-shaped pressing rod portion 21a that protrudes inward at the center of its back surface, and inside the storage case 12 of the transmitter main body 10, there is disposed an inner protective plate 13 that is disc-shaped and has a rod-shaped member 13a that protrudes inward at the center of the back surface so as to face the rear end surface of the pressing rod portion 21a. A circuit board 14 having a push button switch 11 mounted thereon is disposed within the storage case 12 at a position facing the rear end of the rod-shaped member 13a of the inner protective plate 13. Although not shown, this circuit board 14 is provided with a circuit that generates a fire signal and sends it to the outside when the push button switch 11 is turned on.

[0018] Furthermore, on the rear surface of the circuit board 14, a terminal block 15 is provided which is equipped with terminals to which ends of external wiring for transmitting signals to a fire control panel are connected. Also, a guide member 16 having an outer guide portion 16a that guides the outer peripheral wall of the inner protective plate 13 and an inner guide portion 16b that fits with and guides the rod-shaped member 13a of the inner protective plate 13 is formed integrally with the storage case 12. A dust cover 17 is attached to the rear end of the storage case 12 to prevent the intrusion of dust and debris. Meanwhile, a flange-shaped plate portion 12a is provided on the front end side of the storage case 12, and a plurality of engagement claws 12b are provided on the outer surface side of the plate portion 12a.

[0019] 2, the transmitter cover 20 comprises a disk-shaped main body plate 22A joined so as to cover the outer opening of the storage case 12 incorporating the push button switch 11, a light guide plate 22B joined to the outer surface of the main body plate 22A, and a cover member 22C joined to the outer surface of the light guide plate 22B. In the center of this transmitter cover 20, a push button 21 is disposed as an outer protective plate for protecting the push button switch 11.

[0020] The body plate 22A of the transmitter cover 20 has a disk-shaped inner flat portion 22a in the center, a cone-shaped portion 22b around the inner flat portion 22a, and a circular outer flat portion 22c around the inner flat portion 22a, and a short cylindrical eaves portion 22d bent inward is formed on the periphery of the outer flat portion 22c. A cylindrical portion 22e protruding inward is provided on the back surface of the center of the body plate 22A, and a rod portion 21a formed on the back surface of the push button 21 so as to protrude inward is inserted into the cylindrical portion 22e.

[0021] 3, a pair of locking claws 22f are formed on the inner peripheral surface of the cylindrical portion 22e, and a pair of grooves 21b are formed on the outer peripheral surface of the rod portion 21a, into which the locking claws 22f are engaged so as to be movable in the axial direction. The rear end of the groove 21b is closed and has a step, and when the push button 21 moves outward, the step comes into contact with the locking claws 22f, preventing further outward movement. In other words, it functions as a position restricting means for restricting the push button 21 from slipping outward. Furthermore, a cylindrical wall portion 22g is provided in the center of the outer surface of the main body plate 22A so as to surround the rod portion 21a of the push button 21, and this wall portion 22g functions as a stopper when the push button 21 is pressed.

[0022] The main body plate 22A of the transmitter cover 20 is connected to the front end of the storage case 12 by engaging an engagement claw 22h provided on the back surface thereof with an engagement claw 12b of the plate portion 12a of the storage case 12. The main body plate 22A is configured so that the engagement claw 22h first comes into contact with the front end of the storage case 12 with the engagement claw 22h and the engagement claw 12b misaligned from each other in the circumferential direction, and then the main body plate 22A is rotated slightly so that the engagement claw 22h engages with the engagement claw 12b. This allows the transmitter cover 20 to be attached to the outer surface side of the transmitter main body portion 10. However, the main body plate 22A and the storage case 12 may be configured to be connected to each other by screws at the plate portion 12a.

[0023] Meanwhile, the light guide plate 22B has a circular opening 22i formed in its center, through which the rod portion 21a of the push button 21 is inserted. Also, the light guide plate 22B has a cone-shaped portion in its center and a flat portion having an annular shape around the cone-shaped portion, in correspondence with the shape of the main body plate 22A, and a visor portion 22j having a short cylindrical shape bent inward is formed on the periphery of the flat portion. In addition, in the transmitter of this embodiment, a circuit board 14 is arranged on the outer surface of the inner flat portion 22a of the main plate 22A of the transmitter cover 20, and has a plurality of light-emitting elements (LEDs: light-emitting diodes) 23 that function as light sources mounted with their emission portions facing outward. On the other hand, the light guide plate 22B has a light incident surface formed at the rear end of the edge of the central opening 22i, and is disposed so as to face this light incident surface with the emission parts of the light emitting elements 23. The plurality of light emitting elements 23 are disposed in an annular shape corresponding to the light incident surface of the edge of the opening 22i.

[0024] The rod portion 21a of the push button 21 can move back and forth along the inner surface of the cylindrical portion 22e of the main body plate 22A, and when the pressing portion on the outer surface of the push button 21 is pressed with a finger, the pressing rod portion 21a moves inward and its rear end face moves the inner protective plate 13 inside the storage case 12 inward, and the rear end of the rod-shaped member 13a of the inner protective plate 13 hits the actuator of the push button switch 11, turning on the switch. Although not particularly limited, the push button 21 is formed from a light-transmitting material, and a portion of the light emitted from the light-emitting element 23 enters the back of the push button 21 and exits from the outer surface, thereby brightening the outer surface of the push button 21.

[0025] Furthermore, in the transmitter of this embodiment, the entire light guide plate 22B is made of a light-transmitting light guide material such as acrylic resin or polycarbonate resin. Here, the light guide material has a structure in which light-reflecting particles are mixed inside or fine grooves are formed on the back side, so that the incident light is reflected repeatedly on the front and back sides and travels, and part of the light hits the light-reflecting particles or fine grooves on the way and changes direction and is emitted from the front side, so that the entire light emits bright light. Also, a part of the light emitted from the light-emitting element 23 may pass through the light guide plate 22B, enter the back of the push button 21, and exit from the outer surface, causing the outer surface of the push button 21 to emit light.

[0026] On the other hand, the cover member 22C of the transmitter cover 20 is made of a soft material such as silicone resin that is translucent and can retain its shape, and the surface of this shape-retaining member is covered with a skin 22k made of a woven fabric made of a material that is flexible, flame-retardant, and elastic. In other words, the transmitter cover (outer cover) 20 is composed of the cover member 22C and the skin 22k that covers its outer surface. The cover member 22C is formed so as to cover the eaves portion 22j at the outer edge of the light guide plate 22B from the side to the back. As a result, even if an external impact is applied to the cover member 22C, the shape-retaining member deforms to absorb the impact, preventing damage to the surface, and the emission of light from the eaves portion 22j improves visibility from the side of the transmitter. In addition, since the surface of the shape-retaining member is covered with the skin 22k made of woven fabric, the light guided by the light guide plate 22B is diffused or transmitted and emitted to the outside, giving it a soft, vague texture. The surface 22k of the cover member 22C is made of a woven fabric that is woven in a manner that allows it to have a stretchable property. Examples of the material for the woven fabric of the surface include meta-amide fiber, aramid fiber, polyvinyl chloride, vinylidene chloride, modacrylic, etc. Of course, other materials than those mentioned above may be used as long as they meet the required conditions.

[0027] The inner edge of the shape-retaining member of the cover member 22C stops near the outer periphery of the push button 21 and has an opening, but the skin 22k is formed to extend further inward. Then, as shown in FIG. 5, an opening 22m having the same size as the outer diameter of the pressing rod portion 21a of the push button 21 is formed in the center of the skin 22k, and the pressing rod portion 21a is inserted into these openings. This results in a configuration in which the back surface of the flange portion of the push button 21 presses the center of the skin 22k toward the storage case 12. At this time, the skin 22k is pulled inward and stretched, and the tension acts as a force to press the push button 21 outward. As a result, even if a spring for biasing the push button 21 outward is not provided in the storage case 12, it is possible to impart a resistance when the push button 21 is pressed and a force to return the push button 21 to its original position.

[0028] Furthermore, as shown in FIG. 2, when the transmitter cover 20 presses the center of the skin 22k with the back surface of the push button 21, the center of the cover member 22C is recessed toward the storage case 12, and the outer surface of the push button 21 is positioned inward from the most bulging part of the outer surface of the cover member 22C, thereby preventing the push button 21 from being accidentally pressed and the switch being turned on when the transported item hits the transmitter, thereby preventing an erroneous signal from being sent to the receiver. When the pressure from the push button 21 is released and the cover 22k returns to its fixed position due to the tension, the push button switch 11 in the storage case 12 is turned off, but the fire alarm state is self-maintained by the electric circuit provided on the circuit board 14. Therefore, the fire alarm state is maintained even if the push button switch 11 is turned off. The state maintained by the electric circuit on the circuit board 14 is released by a recovery pulse from the receiver.

[0029] Furthermore, in the transmitter of this embodiment, as shown in Fig. 5, a reinforcing resin part 22n1 is provided on the edge of the central opening 22m of the skin 22k, and a reinforcing resin part 22n2 is provided on the peripheral edge of the skin 22k. These reinforcing resin parts 22n1 and 22n2 are attached to the edge of the skin 22k by, for example, applying or printing a resin adhesive or an ultraviolet curing resin, and then solidifying or curing it. Specific examples of materials for the reinforcing resin include silicone resin, cellulose resin, alkyd resin, acrylic resin, polyurethane resin, polyester resin, gum arabic, and glue. Instead of applying or printing the resin adhesive or ultraviolet curing resin, for example, a film-like sheet may be printed with a predetermined material in a predetermined shape, and the printed surface may be placed against the skin material, and heat and pressure may be applied to attach the reinforcing material in the predetermined shape. Also, the surface to which the resin adhesive or ultraviolet curing resin is applied may be the front or back surface of the skin 22k.

[0030] As described above, by forming the reinforcing resin portion 22n1 on the edge of the central opening 22m of the skin 22k and the reinforcing resin portion 22n2 on the peripheral portion of the skin 22k, the threads constituting the woven fabric are less likely to fray. As a result, it is possible to prevent the central area and peripheral portion of the skin 22k from being deformed when the push button 21 is pressed. In addition, it is possible to prevent the frayed threads from entering the gap between the rod portion 21a and the cylindrical portion 22e of the main body plate 22A and causing malfunction when the push button 21 is pressed and the rod portion 21a moves.

[0031] The resin adhesive or ultraviolet curing resin that forms the reinforcing resin portions 22n1 and 22n2 may be one that solidifies or hardens relatively slowly or one that has low viscosity. By using a resin having such properties, the applied or printed resin will solidify or harden in a state in which it has fully penetrated between the fibers of the woven fabric that makes up the skin 22k, thereby providing a reinforcing resin part with greater strength.

[0032] Since fraying of the peripheral edge of the cover 22k does not affect the operability of the push button 21, it is possible to omit the reinforcing resin portion 22n2 and provide only the reinforcing resin portion 22n1. The process of applying resin to the edge and peripheral portion of the central opening 22m of the skin 22k can be performed after cutting the woven fabric forming the skin 22k, but in this embodiment, as shown in Fig. 6, the resin is applied or printed on a wide area along the cutting lines A1 and A2 of the rectangular woven fabric C before cutting, and then solidified or hardened. Then, the woven fabric C is cut along the lines A1 and A2 to form the skin 22k having the reinforcing resin portion 22n1 on the edge of the central opening 22m and the reinforcing resin portion 22n2 on the peripheral portion, as shown in Fig. 5. This makes it easy to cut the woven fabric with a cutter, and prevents fraying of the woven fabric during cutting.

[0033] Next, a method for fastening the outer edge of the skin 22k made of woven fabric constituting the cover member 22C will be described with reference to Figs. The peripheral portion of the skin 22k is sewn into a bag shape as shown in Fig. 3, and a ring-shaped elastic body 25 made of a circular rubber string or a ring spring as shown in Fig. 4 is housed inside the bag-shaped sewn portion. The diameter of the ring-shaped elastic body 25 in its natural state is set to be sufficiently smaller than the diameter of the light guide plate 22B.

[0034] 3, the peripheral portion of the skin 22k covers the side of the canopy portion 22j at the outer edge of the light guide plate 22B and is folded back to the back. At this time, the ring-shaped elastic body 25 is in a stretched state, so that the peripheral portion of the skin 22k is squeezed toward the center by the force of the ring-shaped elastic body 25 trying to shrink, and tension is applied to the skin 22k. As a result, the skin 22k can fix the shape-retaining member of the cover member 22C and the light guide plate 22B to the outer surface of the main plate 22A.

[0035] As described above, in the transmitter with indicator lamp of this embodiment, the light emitted from the light emitting element 23 enters the light entrance surface near the central opening of the light guide plate 22B, travels through the cone-shaped portion 22b, and is reflected outward when it reaches the outer surface of the cover, causing the entire outer surface of the transmitter cover 20 to emit bright light. Also, part of the light that has traveled through the cone-shaped portion 22b of the light guide plate 22B is emitted toward the center, enters the inside through the flange of the push button 21, and is emitted from the outer surface.

[0036] As a result, the entire outer surface of the cover member 22C and the entire outer surface of the push button 21 emit light. Therefore, visibility from the outer side is good without increasing the diameter of the outer cover. In addition, light that enters the light guide plate 22B of the transmitter cover 20 is also emitted from the surface of the visor portion provided on the outer periphery, i.e., the outer periphery of the transmitter cover 20. Therefore, visibility from the side of the transmitter is also good. Furthermore, in the transmitter with indicator light of this embodiment, the outer surface of the cover member 22C is curved and nearly flat, so it does not protrude outward as much as conventional bullet-shaped indicator lights, which has the advantage of not interfering with movement when transporting equipment.

[0037] Although the present invention has been described above based on the embodiments, the present invention is not limited to the above-mentioned embodiments. For example, in the above-mentioned embodiment, the skin 22k of the cover member 22C of the transmitter cover 20 is pulled inward and stretched, and the tension acts as a force to push the push button 21 outward. However, the shape-retaining member of the cover member 22C may be formed of an elastic material, and when the center of the skin 22k is pressed inward by the push button 21, the shape-retaining member is deformed, and the elastic restoring force of the shape-retaining member provides a force to return the push button 21 to its original state. In addition, in order to supplement the force to return the push button 21 to its original state, a compression spring that urges the push button 21 forward may be arranged in the storage case 12 at a position indicated by the dashed lines B1 and B2 in FIG. 2.

[0038] In the above embodiment, a bag-shaped sewn portion is provided on the periphery of the skin 22k of the cover member 22C, and a ring-shaped elastic body is housed therein to squeeze the bag-shaped sewn portion inward by its elastic force, thereby attaching the cover member 22C to the main plate 22A and the light guide plate 22B, but the cover member 22C may be fixed to the main plate 22A by thermocompression bonding, or a hook for hanging the skin 22k may be provided on the main plate 22A. Also, a string may be passed through the bag-shaped sewn portion instead of a ring spring to squeeze the skin, or the edge of the skin 22k may be fixed to the main plate 22A with a stapler, nail, or screw, or the skin may be fixed to the main plate 22A with an adhesive tape such as double-sided tape or an adhesive.

[0039] In the above embodiment, the transmitter is provided with an integrated indicator light, but the present invention can be applied to a transmitter that does not have an indicator light. In the above embodiment, the transmitter cover 20 is circular, but it may be elliptical or polygonal. In addition, in the above embodiment, resin is applied to the openings and peripheral edges of the skin 22k to prevent fraying of the woven fabric, but it is also possible to perform laser processing in which a laser beam is irradiated to the edges to melt the fibers and prevent fraying of the woven fabric. Furthermore, in the above embodiment, the present invention has been described as being applied primarily to a fire transmitter that constitutes a fire alarm system, but the present invention is not limited to fire transmitters and can be widely used in train emergency alert transmitters installed on station platforms and at railroad crossings, and emergency call transmitters installed in toilets, bathrooms, etc. [Explanation of symbols]

[0040] 10 Transmitter body 11 Push button switch 12 Storage case 12a Flange-shaped plate portion 12b Engagement claw 13 Inner protection plate 14 Circuit Board 15 Terminal block 16 Guide member 20 Transmitter cover (outer cover) 21 Push button (outer protective plate) 21a Rod section 21b Groove 22 Light emitting part 22A Body Plate 22B Light guide plate 22C Cover material 22a Inner flat part of the main plate 22b Cone-shaped portion of main plate 22c Outer flat part of main plate 22d Main plate eaves 22e Cylindrical part of the main plate 22f locking claw 22h engaging claw 22i aperture 22j Eaves 22k epidermis 22m opening 22n1, 22n2 Reinforced resin part 23 Light emitting element (LED) 24 Bag-shaped sewing part 25 Ring-shaped elastic body (ring spring)

Claims

1. A transmitter comprising: a main body having a built-in push button switch that is turned on by pressing from the outside; an outer cover disposed on the outside of the main body; and a protective plate disposed outside the push button switch and having a rod portion on a rear surface thereof, the rod portion turning on the push button switch when the protective plate is pressed, the outer cover includes a surface made of a woven fabric attached to an outer surface, and an opening is formed in the center in which the protective plate is disposed; A transmitter characterized in that an opening which is larger than a cross section of the rod portion and smaller than a diameter of the pressing portion of the protective plate is formed in the skin, and resin is attached to the edge of the opening.

2. The transmitter according to claim 1, characterized in that the rod portion is inserted into the opening in the skin and the protective plate is arranged so as to be positioned inward from the outermost portion of the outer cover, thereby applying tension to the skin.

3. 3. The transmitter according to claim 2, wherein a resin is attached to a peripheral portion of the cover.

4. The outer cover includes a cover member having an opening at a position corresponding to the opening and made of a shape-retaining material, The skin is attached to an outer surface of the cover member, The skin is provided with a ring-shaped fixing portion along a peripheral portion, and a ring-shaped elastic body is disposed within the fixing portion, 4. The transmitter according to claim 3, wherein the elastic force of the ring-shaped elastic body is used to squeeze a peripheral portion of the skin toward a center on the inner surface side of the cover member, thereby applying tension to the skin.

5. 5. The transmitter according to claim 1, wherein the resin is applied to the skin at least before the skin is cut to form the opening.

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