JPH01212050A - Collapsible telephone set - Google Patents

Abstract

PURPOSE:To make an effective use of a space inside a recessed part by providing a hook switch in the upper part of the recessed part of a main casing and connecting/disconnecting the hook switch by means of a switching operating member supported in the main casing so that it can advance to and retreat from the recessed part through a hole formed in the upper surface of the recessed part. CONSTITUTION:When contained in the recessed part 8 of the main casing, the switch operating member is pressed by the foremost surface of a transmitter in a frame 12, made retreat resisting the elasticity of a compressed spring 42, so that the hook switch 22 is turned on. Thus the hook switch 22 can be turned on/off by opening/closing the frame 12, also, by operating an operating button 45, the switch 22 can be turned on/off. Accordingly, an operator can operate a hooking-on for a re-call, terminating a speaking, etc., by operating the button 45 provided on the upper surface of the casing 1 with one hand. Since the hook switch 22 is mounted on a print circuit board 21 and is contained in the upper space of the recessed part 8 of the main casing, the space inside the tall recessed part 8 can be made use of for mounting parts for a communication circuit network.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a foldable telephone whose main body is partially unfolded during a call.

Conventional technology FIG. 3 is a perspective view of a conventional foldable telephone.

As shown in Figure 3, the main housing 1 has a front cover 2 and a back cover 3.
The main housing 1 has a communication circuit network (
(not shown) is stored. On the front side of the main housing 1, a telephone receiver 4 is provided at the top, a dial and function keys 5 are provided below, and a power switch 6, a volume controller, etc. are provided at the upper end. An operating section 7 is provided. A recessed portion 8 is formed in the front cover 2 of the main housing 1 in the horizontal direction between the receiver 4 and the key 5, and a transmitter 15, which will be described later, can be housed in this recessed portion 8. . A hook switch 9 located in the recessed part 8
and a lock member 10 are provided. hook switch 9
is projected forward by the elasticity of a spring (not shown), and is pushed forward and retreated into the front cover 2 against the elasticity of the spring. The lock member 10 is linked to a lock release button 11 provided on the upper side of the main housing 1, and is projected forward by the elasticity of a spring (not shown), and is exposed by pressing the lock release button 11. It is retracted into the cover 2. A cover plate 14 is attached to the frame 12 between a pair of arms 13, and a transmitter 15 is attached between the arms 13 on the tip side of the inner surface of the cover plate 14. An engagement recess 16 is formed on the tip side of the transmitter 15 . The frame 12 has a shaft portion 1 formed at the base of the arm 13.
7 is rotatably connected to the lower end of the main housing 1 so as to be in a folded state and in an unfolded state at a certain angle, and coiled springs are engaged on both sides of the arms 13 of these frames 12 and the main housing 1. (not shown) are engaged, and the elasticity of this spring always urges the frame 12 in the direction of expansion with respect to the main housing 1. Then, by raising the frame 12 toward the main housing 1 side against the elasticity of the spring, the frame 12 is placed over the lower part of the front cover 2 of the main housing 1, and the transmitter 1
5, the hook switch 9 is pressed and moved backward to elastically engage the engaging recess 16 with the locking member 10, and the transmitter 1
5 can be folded into the recessed part 8.

Next, the operation of the above conventional example will be explained.

Usually, when not making a call, this telephone is carried in the folded state as described above. When in use (during a call), by pressing the lock release button 11, the lock member 10 is retracted into the main housing 1 and released from the engagement recess 16, thereby releasing the lock. As a result, the hook 12 and the like are moved away from the main housing 1 by the spring force and unfolded at an obtuse angle, and the hook switch 9 is protruded and disconnected to become ready for communication. Therefore, the user can use the handset 4 with the receiver 4 in his ear and the transmitter 15 in his mouth.

At the end of the call, the hook switch 9 is pressed and connected by closing the frame 12 against the elasticity of the spring.
The standby can be returned to the state, and the engagement recess 1
6 can be engaged and locked with the locking member 10 using the elasticity of the spring.

Problems to be Solved by the Invention However, in the above-mentioned conventional foldable telephone, the hook switch 9 advances forward and backward into the recessed portion 8 of the main housing 1;
Since it is provided so that it can be retracted, there are problems in that mounting of components of the communication circuit network is restricted, and it is difficult to perform an on-hook operation of operating the hook switch 9 with a finger.

The present invention solves such conventional problems by arranging the hook switch above the recessed part of the main casing and making it possible to effectively utilize the space inside the recessed part for communication. It is an object of the present invention to provide a foldable telephone in which circuit network components can be easily mounted and on-hook operation can be performed with one hand.

Means for Solving the Problems In order to achieve the above object, the present invention has a main casing that includes at least a dial key, a telephone receiver, and a communication network, and has a recessed part, and at least a transmitter. , a frame rotatably connected so that it is folded against the main casing when not making a call, and the transmitter is housed in the recessed part, and unfolded at a constant angle relative to the main casing when making a call; an engaging recess formed at the tip of the transmitter of the frame; and a hook switch provided above the recess within the main casing;
It is supported so as to be able to move forward and backward relative to the recess through a hole formed on the upper surface of the recess within the main casing, and engages and disengages with the four engaging parts of the transmitter housed in the recess by advancing and retracting. a locking member that disconnects and disconnects the hook switch by retracting and moving forward, and a switch operating member that is retracted by the tip of the transmitter housed in the recess, and an operating member that protrudes to the side of the main casing. The locking member is provided with an interlocking mechanism that interlocks the locking member and the switch operating member to advance and retreat by operating the switch.

Effects The present invention has the following effects due to the above structure. That is, the hook switch is provided above the recess of the main housing, and the hook switch is activated by the operation of a switch operating member supported in the main housing so as to be able to move forward and backward relative to the recess through a hole formed on the upper surface of the recess. Since it is designed to connect and disconnect, the space inside the recessed portion can be used effectively. Then, with the frame folded against the main casing and the transmitter housed in the recess, the locking member is advanced and engaged with the engagement recess to lock, and the switch operating member is attached to the front end of the transmitter. to move it backwards and turn the hook switch on-hook. In this state, the interlocking mechanism is operated by operating the operation part protruding from the side of the main casing, the locking member is moved back against the elasticity of the spring, the frame is opened, and it is unfolded against the main casing. can do. After opening, the interlocking mechanism is operated by releasing the operating portion to advance the locking member and the switch operating member, and the hook switch can be taken off the hook by advancing the switch operating member. In addition, when calling again, ending a call, etc., the interlocking mechanism is operated by operating the operating section to move the locking member and the switch operating member back against the elasticity of the spring, thereby turning the hook switch on-hook.

EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings. Fig. 1 and Fig. 2 (A) to (0) show a foldable telephone according to an embodiment of the present invention, Fig. 1 is an exploded perspective view of the main parts, and Fig. 2 (A) is a foldable telephone with the frame folded. Figure 2 (B) is a perspective view of the main parts in the locked and non-calling state, Figure 2 (B) is a perspective view of the main parts in the unlocked state and the frame is slightly separated from the main housing, Figure 2 (C) is unlocked. FIG. 6 is a perspective view of the main parts in a state where the operation section is released afterward. In this embodiment, the same members as those in the conventional example are given the same reference numerals, and the explanation thereof will be omitted, and the different configuration will be explained. As shown in FIG. 1 and FIG.
2, etc., and is connected to a communication network via a cable 23. Lock member 24 and switch operating member 25
The sliding plate 26, the first and second brackets 27 and 28, etc. are assembled into a unit. The locking member 24 has a longitudinal elongated hole 29 formed in the center thereof, a spring receiver 30 protruding from the bottom of the elongated hole 29, and a bottle 31 protruding from the upper part of the back surface. The bottom of the locking member 24 is formed into an inclined surface 32 that slopes upward from the back side to the front side.

The switch operation member 25 has a longitudinal elongated hole 33 formed in the center thereof, a spring receiver 34 protruding from the bottom of the elongated hole 33, and a bottle 35 protruding from the upper part of the back surface. Switch operation member 2
The bottom of 5 is formed into an inclined surface 36 that slopes upward from the back side to the front side. The lock member 24 and the switch operation part 25 are fitted into guide grooves 37.38 formed on both sides of the first bracket 270 so as to be movable up and down, and protrude into the guide grooves 37.38 of the first bracket 27. The provided spring receivers 39.40 are inserted into the elongated holes 29.33 of the locking member 24 and the switch operating member 25. Compression springs 41 and 42 are provided between the spring receiver 30 of the lock member 24 and the spring receiver 39 of the first bracket 27 and between the spring receiver 34 of the switch operating member 25 and the spring receiver 40 of the first bracket 27, respectively. are interposed between the locking member 24 and the switch operating member 2 due to the elasticity of the compression springs 41 and 42.
5 is biased downward. A pair of guide holes 43.44 are formed in the sliding plate 26, and each guide hole 43.44 has a horizontal side, a vertical side, and an oblique side from the distal side to the proximal side of the sliding plate 26. It is formed into a triangular shape with upwardly sloping sides. A groove 46 of an operation button 45, which is an operation section, is press-fitted into the base end of the sliding plate 26 and is fixedly attached. This sliding plate 26 has guide grooves 47 and 48 formed by notches in the center and ends of the first bracket 27.
The pin 31 of the locking member 24 and the pin 35 of the switch operating member 25 are slidably fitted into the guide hole 4 of the sliding plate 26.
3.44 was inserted.

The second bracket 28 has a sliding plate 26 in the center of a horizontally long support part 49 that supports the lock member 24 and the switch operation member 25 so that they are not removed from the first bracket 27. A vertically long support part 5 that supports
0 is integrally provided, and engagement grooves 51 formed on both sides of the support portion 49 are fitted into notches 52 formed on both sides of the first bracket 27, and the engagement portions 53 prevent the bracket from coming off. and an engagement hole 5 formed at the upper end of the support part 50.
4 is engaged with an engaging protrusion 55 projecting above the central portion of the first bracket 27 and is prevented from coming off. A screw 58 is screwed into a screw hole 57 formed at the lower center of the first bracket 27 from a screw insertion hole 56 formed at the center of the support part 49 of the second bracket 28, and Plaques 27 and 28 are fixed, and the locking member 24, switch operating member 25, sliding plate 26, etc. are held between the first and second brackets 27 and 28. The unit assembled in this way is mounted on the front cover 2 along with the printed circuit board 21 on which the power switch 6, the operating section 7, the hook switch 22, etc. are mounted, the receiver body 59, the acoustic coupling backing 60, and the dustproof sheet 61. It is housed in the upper space of the recessed part 8.

A screw insertion hole 62 formed on one side of the second bracket 28 and a screw insertion hole 63 formed on the lower side of one side of the printed circuit board 21 and a post 63 provided inside the front cover 2
A screw 66 is screwed into the screw hole 64 of the front cover 2 through the screw insertion hole 67 formed on the other side of the second bracket 28.
By screwing the screw 70 into the screw hole 69 of the post 68 provided inside, the printed circuit board 21 and the unit etc. are attached to the front cover 2, and the receiver main body 59 etc. are exposed by the first bracket 27 of the unit. It is held against the cover 2. In this state, the power switch 6 and the operation unit 7
The operation buttons 45 protrude from the holes 71 and 72 on the top surface of the front cover 2, and the operation buttons 45 protrude from the holes 73 formed across the front cover 2 and the back cover 3 to operate the lock member 24 and the switch. The lower part of the member 25 advances (descends) through holes 74 and 75 formed in the upper surface of the recess 8 in the front cover 2 and projects into the recess 8 . Then, the switch operation member 2
5 retreats into the front cover 2 against the elasticity of the compression spring 42 (
The hook switch 22 can be disconnected or disconnected by moving the hook switch 22 upward (up) or by moving it forward (down) into the recessed portion 8 by the elasticity of the compression spring 42.

Next, the operation of the above embodiment will be explained.

As shown in the second position, close the frame 12 and use the transmitter 15.
When the lock member 2 is housed in the recess 8 of the main housing 1, the lock member 2
4 moves forward due to the elasticity of the compression spring 41 and engages the engaging recess 16.
The switch operating member 25 is pressed by the end surface of the transmitter 15 of the frame 12 and retreated against the elasticity of the compression spring 42, so that the hook switch 22 is engaged (on-hook). It becomes. At this time, the pin 31 of the locking member 24 is located at the corner between the vertical side and the inclined side of the guide hole 43, and the pin 35 of the switch operating member 25 is located at the corner between the horizontal side and the vertical side of the guide hole. has been done. In this state, press the operation button 45 in the direction of the arrow as shown in FIG.
48. By this sliding of the sliding plate 26, the bottle 31 of the locking member 24 is guided to the inclined side of the guide hole 43, and the bottle 31 and the locking member 24 retreat against the elasticity of the compression spring 41, and move away from the engagement recess 16. break away. Therefore, the frame 12 is pushed out from the main housing 1 by the elasticity of the spring. At this time, the switch operating member 25 is retracted by the tip end surface of the transmitter 15 against the elasticity of the compression spring 42 as described above, so even if the sliding plate 26 is slid, it interferes with the guide hole 44. Therefore, the hook switch 22 is also held in contact, and the pins 31 and 35 of the locking member 24 and the switch operating member 25 are located at the corners of the horizontal side and the inclined side of the guide holes 43 and 44, respectively. When the pressing force of the operating button 45 is released from this state, the locking member 24 and the switch operating member 25 are urged downward by the repulsive elasticity of the compression springs 41 and 42, as shown in FIG. 2(0). The inclined sides of the guide holes 43, 44 of the sliding plate 260 are pressed by these pins 31, 35, and the sliding plate 26 and the operation button 45 return to their original positions. Along with this, the lock member 24
The switch operation member 25 moves forward, thereby disconnecting the hook switch 22 (off-hook), and making a call possible. When re-calling or ending a call, when the operation button 45 is pressed and the sliding plate 26 is slid as described above, the lock member 24 and the bins 31 and 35 of the switch operation member 25 are
is guided to the guide hole 43 and the necessary inclined side, and the lock member 24
Then, the switch operating member 25 retreats against the elasticity of the compression springs 41 and 42 (see FIG. 2(B)). This retraction of the switch operating member 25 brings the hook switch 22 into contact (on-hook). In addition, after the end of the call in the state shown in FIG. The tip of the handset 15 presses the bottom inclined surfaces 32 and 36 (see FIG. 1) of the lock member 24 and the switch operation member 25, and the lock member 24 and the switch operation member 25 are pressed against the elasticity of the compression springs 41 and 42. and retreat. Transmitter 15
is housed in the recessed part 8, and the engaging recessed part 16 is inserted into the locking member 2.
4, the locking member 24 moves forward due to the repulsive force of the compression spring 41 and engages with the engaging recess 16, as shown in FIG. 2(A), so that the frame 12 is locked. On the other hand, the switch operating member 25 is held in a retracted state by the distal end surface of the transmitter 15, and the hook switch 22 is held in an on-hook state.

As described above, according to the above embodiment, the hook switch 22 can be disconnected or disconnected by opening and closing the frame 12, and the hook switch 22 can also be disconnected or disconnected by operating the operation button 45. can. therefore,
By operating the operation button 45 provided on the upper side surface of the main housing 1 with one hand, on-hook operations such as re-calling and ending a call can be performed.

Further, according to the above embodiment, the hook switch 22 is mounted on the printed circuit board 21 and is housed in the upper space of the recessed part 8 in the main housing 1, so that the space behind the recessed part 8 is used for the communication circuit network. It has the advantage that it can be effectively used for component mounting.

Effects of the Invention As described above, according to the present invention, the hook switch is provided above the recess of the main casing, and can move forward and backward relative to the recess through the hole formed on the upper surface of the recess within the main casing. Since the hook switch is connected and disconnected by the operation of the switch operating member supported by the hook switch, the space inside the recessed portion can be effectively utilized. Therefore, parts can be easily assembled. In addition, with the frame folded against the main casing and the transmitter stored in the recess, the locking member is advanced and engaged with the engagement recess to lock, and the switch operating member is attached to the front end of the transmitter. to move it backwards and turn the hook switch on-hook. In this state, the interlocking mechanism is operated by operating the operation part protruding to the side of the main casing, the locking member is moved back against the elasticity of the spring, the frame is opened, and it is unfolded against the main casing. can do. After opening,
By releasing the operating portion, the interlocking mechanism is operated to advance the locking member and the switch operating member, and the hook switch can be taken off the hook by advancing the switch operating member. In addition, when calling again, ending a call, etc., the interlocking mechanism is activated by operating the operating section to move the locking member and switch operating member back against the elasticity of the spring, thereby enabling the hook switch to be placed on the hook. . Therefore, on-hook operations such as re-calling and ending a call can be performed with one hand.

[Brief explanation of the drawing]

Fig. 1 and Fig. 2 (4) to (0) show a foldable telephone according to an embodiment of the present invention, Fig. 1 is an exploded perspective view of the main parts, and Fig. 2 (A) is a foldable telephone with the frame folded. Figure 2 (B) is a perspective view of the main parts when the lock is unlocked and the frame is slightly separated from the main housing, and Figure 2 (C) is a perspective view of the main parts in the locked state. FIG. 3 is a perspective view of the main parts of the conventional folding telephone with the operating section released after release. DESCRIPTION OF SYMBOLS 1... Main housing, 4... Handset, 5... Dial and function keys, 12... Frame, 15
...Telephone, 16...Engagement recess, 21...Printed circuit board, 22...Hook switch, 24...Lock member, 25...Switch operating member, 26...Sliding Plate, 27...First bracket, 28...Second bracket, 31.35...Bin, 43.44...Guide hole, 45...Operation button, 74.75... A hole on the top surface of the recessed part 8. Name of agent: Patent attorney Satoshi Nakao and 1 other person! ! 2
01

Claims (1)

[Claims] It has at least a dial key, a handset, and a communications network;
It has a main casing in which a recessed part is formed and at least a transmitter, and the transmitter is folded against the main casing when not making a call, and the transmitter is housed in the recessed part. a frame rotatably connected so as to be unfolded at a certain angle; an engaging recess formed at the tip of the transmitter of the frame; and an engaging recess formed above the recess within the main housing. a hook switch, and a recess for engaging a transmitter, which is supported so as to be able to move forward and backward relative to the recess through a hole formed on the upper surface of the recess in the main housing, and is housed in the recess by moving forward and backward. a locking member that engages and disengages from the main housing; a switch operating member that disconnects and disconnects the hook switch by retreating and moving forward; and a switch operating member that is retracted by the tip of the transmitter housed in the recess; 1. A foldable phone comprising an interlocking mechanism that moves the locking member and switch operating member forward and backward in conjunction with each other by operating an operating portion protruding from the front.