JP2005071201A - Electronic device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic device 100 comprising a body 110 with an array of keys on a top surface and a lid 120 with a liquid crystal screen 121, which suppresses movements of the lid 120 both in opening/closing directions where it is opened and closed relative to the body 110 and in sliding directions where it is moved parallel relative to the body 110 with a simple structure. <P>SOLUTION: The electronic device 100 has a hook 123, and projections 124 and recesses 113 adapted to fit to each other. When the lid 120 is closed, the hook 123 engages a slot 112 in the body 110 and the projections 124 and the recesses 113 fit to each other to restrain movements both in opening/closing directions and sliding directions. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electronic device in which two housings are connected so as to be relatively displaceable, and more particularly, to an electronic device including a main body having keys arranged on an upper surface and a lid having a screen.

  2. Description of the Related Art Conventionally, electronic devices with excellent portability such as notebook computers and mobile phones have been widely used, and such electronic devices have character keys and numeric keys on the top for convenient portability. It is often provided with an openable / closable lid having a main body and a liquid crystal screen. This electronic device can obtain information from the Internet or the like through a liquid crystal screen by operating keys arranged on the upper surface of the main body.

  In recent years, electronic devices with built-in touch panels have also been developed so that instructions can be input to electronic devices using a finger or a dedicated pen without relying on key input. Yes. In such an electronic device, the front and back of the lid as well as the opening and closing of the lid can be realized so as to realize a state in which the liquid crystal screen is facing upward and the lid is closed, which is convenient for use in which instructions are input with a finger or the like. It is considered that the lid and the main body are connected using a connecting portion that can rotate and has a high degree of freedom (see, for example, Patent Document 1).

  In recent years, many mobile phones have a camera function, etc., and in order to improve convenience when using this camera function, the main body, the lid, It has been proposed to concatenate.

The lids of these electronic devices are provided with hooks. When the liquid crystal screen is facing upward or downward and the lid is closed, the hooks are hooked on the main body to restrict the movement of the lid in the opening / closing direction, thereby opening the lid. Is prevented.
Japanese Patent Laid-Open No. 11-312876 (page 20, FIG. 7)

  However, in these electronic devices, since the degree of freedom of the connecting portion that connects the lid and the main body is high, even if the hook is hooked and the lid does not open, the main body and the lid slide on each other. Shaking occurs in the direction of movement. In addition, the parts and units constituting the connecting portion cause an error from the design dimensions at the time of manufacture, thereby causing an assembly tolerance and causing such rattling. Such shakiness deteriorates the feeling of use in screen input with a dedicated pen or a finger. Such rattling can also cause an impact or overload on the hook when a force is applied to the lid when the lid is closed and the electronic device is carried. Such rattling may cause damage to or damage to the main body or the lid.

  In order to reduce such rattling, it is conceivable to adopt a structure in which the hook itself is improved and the movement in the sliding direction as well as the opening / closing direction is restricted. However, the hook structure is complicated and the load on the hook is inevitably increased.

  An object of the present invention is to solve the above problems and to provide an electronic device in which movement in the sliding direction is suppressed with a simple structure. It is another object of the present invention to provide an electronic device that solves the above-described problems and that has both a simple structure and a reduced movement in the opening / closing direction and the sliding direction.

The electronic device of the present invention is
A first housing having a predetermined surface;
A second housing having a first surface and a second surface opposite to the first surface;
The first casing has a first rotation axis extending substantially perpendicularly from a predetermined surface of the first casing and having the extending direction as an axis, and the first surface of the second casing is a predetermined surface of the first casing. A connecting portion that connects the first housing and the second housing so as to be displaceable so as to be in a first state facing each other;
A protrusion protruding from one of the first housing and the second housing;
A receiving portion that is provided on the other side with respect to the one side and fits with the protruding portion in the first state or the second state;
It is provided with.

According to the electronic device of the present invention, the movement in the sliding direction in which the main body and the lid move in parallel with each other can be restricted by a simple structure including the protrusion and the receiving portion that are fitted to each other. In the electronic device according to the aspect of the invention, the connecting portion has a second rotation shaft that is substantially orthogonal to the first rotation shaft, and the second surface of the second casing from the first state is the first surface. It may be displaceable to the second state facing the predetermined surface of the housing,
The electronic device of the present invention is
An engaging portion that protrudes from one of the first housing and the second housing and engages the other of the first state and the second state with respect to the other in at least one of the first state and the second state. It is preferable to provide.

  According to the electronic device of such a preferable form, the movement in the opening / closing direction of the lid can be restrained by the engaging portion having a simple structure as in the prior art.

  Even when the engaging portion is provided, the protrusion and the receiving portion may be provided at a position farther from the connecting portion than the distance of the engaging portion with respect to the connecting portion or at a plurality of locations. Therefore, it is more effective than restricting the movement in the opening / closing direction and the sliding direction by the engaging portion itself.

  In the electronic device of the present invention, it is desirable that the one provided in the second casing among the projecting portion and the receiving portion is provided on both the first surface and the second surface.

  According to the electronic device of this desirable form, it is possible to reduce both the rattling that occurs in each of the first state and the second state.

The electronic device of the present invention is
It is also desirable that the protrusion is made of an elastic material.

  By using the elastic material for the protrusion, the impact when the first housing and the second housing are closed can be reduced, or the protrusion can be formed on the first housing or the second housing. It is possible to avoid the occurrence of scratches upon hitting.

Furthermore, the electronic device of the present invention is
It is also desirable that the protrusion protrude from the second housing.

  The operator often places his / her hand on the predetermined surface of the first casing, and the projection is provided on the second casing in order to prevent the hand from hitting the projection and hindering the operation. It is desirable that

Furthermore, in the electronic device of the present invention,
The protrusion protrudes from the second housing, protrudes from the first surface of the second housing in the first state, and protrudes from the second housing in the second state. Preferably, it protrudes from the second surface of the body,
The protrusion preferably protrudes only from the first surface in the first state and protrudes only from the second surface in the second state.

  According to the electronic device of such a preferable form, both of the rattling that occurs in each of the first state and the second state can be reduced, and the protrusion is obstructed when being carried or the like. Can be avoided.

In this preferred form, further
The engagement portion protrudes from the first surface of the second housing in the first state, and protrudes from the second surface of the second housing in the second state. Is what
The protruding portion protrudes from the second housing, and the protruding direction changes in conjunction with the change in the protruding direction of the engaging portion. ''
The form is suitable.

  According to such a form, the protruding directions of both the engaging portion and the protruding portion can be switched at a time.

The electronic device of the present invention is
The first casing and the second casing are substantially rectangular, the first rotation shaft of the connecting portion is located on one side of the first casing, and the protrusion and the receiving portion are Located on the opposite side of the first axis of rotation "
This form is also suitable.

  According to such a suitable form, since the projection and the receiving part are provided at a position away from the vertical axis, rattling can be further prevented.

The electronic device of the present invention is
The first casing is a main body with keys arranged on the predetermined surface,
The second casing is a lid provided with a screen on the first surface. "
This form is also suitable.

  In such a preferred form, in the first state, the force applied to the lid is dispersed when carried, and overloading is avoided, and in the second state, the screen is upward. Stable use feeling in use form is obtained.

  As described above, according to the electronic apparatus of the present invention, the above-described movement in the sliding direction is reduced with a simple structure. Further, according to the electronic apparatus of the present invention, the movements in the opening / closing direction and the sliding direction described above are reduced with a simple structure.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is an external perspective view showing an embodiment of the present invention.

  FIG. 1 shows an embodiment in which the present invention is applied to a personal computer 100. The personal computer 100 has a substantially rectangular main body 110 and a lid 120, and the main body 110 and the lid 120 are connected by a joint 130.

  The joint 130 has a horizontal axis for the lid 120 to rotate in the opening / closing direction with respect to the main body 110 and a vertical axis for the lid 120 to rotate together with the horizontal axis in an in-plane direction parallel to the upper surface of the main body 110. And have. Although FIG. 1 shows a state in which the lid 120 is opened 90 degrees with respect to the upper surface of the main body 110, the lid 120 can be opened 180 degrees with respect to the upper surface of the main body 110.

A liquid crystal screen 121 is provided on the front surface of the lid 120. In this embodiment, a touch panel is incorporated on the liquid crystal screen 121, and information and instructions can be input to the personal computer 100 by touching the liquid crystal screen 121 with the input pen 122 or a finger. This screen is not limited to the liquid crystal, and may be another type of screen such as plasma.
Further, the lid 120 is provided with a hook 123 at a substantially central portion on the side facing the side on which the joint 130 is provided, and the protrusions 124 at two locations on the front side on the same side on which the hook 123 is provided. Is provided.

  A keyboard 111 having keys arranged thereon is provided on the upper surface of the main body 110. However, in FIG. 1, the individual keys are not shown. Further, on the upper surface of the main body 110, there are provided a long hole 112 for receiving the hook 123 and a receiving portion 113 for receiving the protruding portion 124. Since the receiving portion 113 has a structure that is recessed with respect to the upper surface of the main body 110 where the user of the personal computer 100 operates the keyboard 111 or the like, the receiving portion 113 does not get in the way of key operation and is easy to use. Good. The main body 110 incorporates hardware of a known personal computer, and the hardware in the main body 110 and the liquid crystal screen 121 of the lid are coupled by wiring passing through the inside of the joint 130.

  Hereinafter, the state in which the lid 120 is closed will be described with reference to FIG.

  FIG. 2 is a diagram illustrating a state in which the lid is closed.

  FIG. 2 shows a state where the lid 120 is closed and covered on the main body 110 from the state of FIG. When the lid 120 is closed, the hook 123 shown in FIG. 1 is hooked into the elongated hole 112 of the main body 110, and the protrusion 124 provided on the lid 120 is fitted into the receiving portion 113. Thereby, both the rotation by the horizontal axis | shaft and the vertical axis | shaft mentioned above are suppressed, and the lid | cover 120 is fixed with respect to the main body 110.

  Since the lid 120 is fixed to the main body 110 in this manner, the lid 120 does not rattle even when force is applied to the lid 120 when being carried or the like, and damage due to impact is prevented. In addition, there are two pairs of the protruding portion 124 and the receiving portion 113, and each pair is provided at a position farther than the hook 123 starting from the joint 130. For this reason, the load applied to the hook 123 is greatly reduced. In addition, since the protrusion is provided on the side opposite to the side of the lid on which the joint 130 is provided, it is possible to effectively prevent rattling in the sliding direction as compared to other portions or sides. Can do.

  The hook 123 hooked on the elongated hole 112 of the main body 110 is released by the sliding operation of the slider 125, and the lid 120 can be opened and closed.

  As described above, the joint 130 connecting the main body 110 and the lid 120 has a vertical axis in addition to the horizontal axis that is responsible for opening and closing. The rotation around the vertical axis allows the lid 120 to face backwards.

  FIG. 3 is a diagram illustrating a state in which the lid faces rearward.

  FIG. 3 shows a state in which the lid rotates 180 ° around the vertical axis and faces backward from the state shown in FIG. Therefore, in FIG. 3, the front surface on which the above-described liquid crystal screen 121 is provided is hidden behind and the rear surface opposite to the front surface is visible in front. The lid 120 is also provided with projections 124 at two locations on the rear surface, and these projections 124 are located just behind the projections provided on the front surface.

  Further, as will be described in detail later, the hook 123 can switch the protruding direction to the rear side when operated by the user.

  The lid 120 can also be closed on the main body 110 from the state shown in FIG.

  FIG. 4 is a diagram illustrating a state in which the lid is closed facing backward.

  4 shows a state in which the lid is closed from the state shown in FIG. At this time, as described above, the hook 123 protrudes to the rear surface side of the lid 120 by the user's operation, and is hooked on the elongated hole 112 of the main body 110 as in the state shown in FIG. Further, a protrusion 124 provided on the rear surface side of the lid 120 is fitted into the receiving portion 113 and the lid 120 is fixed to the main body 110.

  The state shown in FIG. 4 is a state suitable for a usage pattern in which the input operation with the input pen 122 or the finger is exclusively performed because the liquid crystal screen 121 is facing upward. Even in this state, since the lid 120 is fixed to the main body 110, an input operation using the input pen 122 or the like can be stably performed.

  Next, the structure of the protrusion 124 and the hook 123 will be described. In addition, although the structure of the protrusion part provided in the front surface of the lid | cover is demonstrated below, the protrusion part of a rear surface is also the same structure.

  FIG. 5 is a diagram illustrating the structure of the protrusion.

  FIG. 5A shows a front view, FIG. 5B shows a cross-sectional view in the AA direction shown in the front view, and FIG. 5C shows a front view. A cross-sectional view in the direction B-B is shown.

  In the present embodiment, the protrusion 124 is made of hard rubber and has a simple structure of a long cylindrical head 124a and a foot 124b extending to the back side of the head 124a.

  The legs 124 b provided on the back side of the protrusions 124 are inserted into the round holes 126 formed in the lid 120, whereby the protrusions 124 are fixed to the lid 120.

  By using such a protrusion 124 made of hard rubber, impact and scratches when the lid 120 is closed are suppressed.

  FIG. 6 is a diagram showing the structure of the hook.

  The hook 123 has a pair of claw parts 123a and 123b, and the pair of claw parts 123a and 123b are provided so as to be substantially orthogonal to each other. A shaft 127 passes through the center of the hook 123, and the hook 123 can rotate around the shaft 127.

  The backs of the claw portions 123a and 123b of the hook 123 are pressed by a stopper 129 biased by a spring 128, and are stable with one of the pair of claw portions 123a and 123b protruding from the lid 120. . When the lid 120 is closed, the taper of the protruding claw portion (claw portion 123a in this figure) hits the edge of the elongated hole 112 of the main body 110, the hook 123 rotates, the stopper 129 is pushed, and the spring 128 contracts. . Thereafter, when the tip of the claw portion 123 a completely enters the long hole 112, the stopper 129 and the claw portion 123 a are pushed back by the biasing force of the spring 128, and the tip of the claw portion 123 a is hooked on the edge of the long hole 112. The slider described above is connected to the shaft 127, and when the slider is operated, the shaft 127 and the hook 123 slide in the direction in which the stopper 129 is pushed, and the hook 123 is released from the elongated hole 112.

  When the hook 123 is opened from the elongated hole 112 and the claw portion 123a protruding from the lid 120 is pushed into the lid 120 by the user, the spring 128 and the stopper 129 are pushed down once. Thereafter, when the claw portion 123a is further pushed in and the opposite claw portion 123b protrudes, the spring 128 and the stopper 129 return to maintain the state.

  In the present embodiment, the hook 123 having such a structure is provided, and protrusions are provided on both the front surface and the rear surface of the lid 120, so that the front surface of the lid 120 faces the main body 110 as shown in FIG. The main body 110 and the lid 120 can be fixed to each other in the first state and the second state in which the rear surface of the lid 120 faces the main body 110 and the liquid crystal screen 121 faces upward as shown in FIG. it can.

  Another embodiment different from the embodiment described above will be described below.

  Since this another embodiment is an embodiment that is substantially the same as the above-described embodiment except that the structure of the protrusion is different, the following description will focus on only the difference, and a duplicate description will be omitted.

  FIG. 7 is a diagram illustrating a structure of a protrusion in another embodiment.

  In this other embodiment, a protrusion 140 that penetrates from the front surface side to the rear surface side of the lid 120 is used, and the protrusion portion 140 selectively protrudes from the front surface and the rear surface of the lid 120.

  7A shows a state in which the protruding portion 140 protrudes on one surface of the lid 120, and FIG. 7B shows a state in which the protruding portion 140 exists at an intermediate position. FIG. 7C shows a state in which the protrusion 140 protrudes on one side opposite to that in FIG.

  The protruding portion 140 is provided at the same position as the protruding portion 124 in the above-described embodiment, and fits with the receiving portion of the main body as in the above-described embodiment.

  As shown in FIG. 7, the protrusion 140 includes a pair of corrugated portions 140 a and 140 b made of an elastic material, and two heads 140 c and 140 d connected by the pair of corrugated portions 140 a and 140 b. The protruding state is maintained by the pair of wave-like portions 140a and 140b sandwiching the fixed shaft 141.

  In the present embodiment, the hook 123 shown in FIG. 6 and the protrusion 140 shown in FIG. 7 are interlocked, and the hook 123 and the protrusion 140 protrude on the same side of the lid 120. Further, when the user operates the hook 123, the operating force is transmitted to the protrusion 140. Although the illustration of the mechanism for transmitting the operating force is omitted here, the operating force is transmitted by a known link mechanism or belt mechanism. For example, when the hook 123 is operated and the operating force is transmitted to the protruding portion 140 in the state shown in FIG. 7A, the protruding head 140d is retracted, and the pair of wavy portions 140a and 140b is formed. It is spread and becomes the state shown in FIG. When the operating force is further transmitted, the state shown in FIG. 6C is reached, and a head 140c opposite to the head 140d protruding in FIG. 140b returns to the state of sandwiching the fixed shaft 141 and maintains the protruding state. The same applies to the transition from the state shown in FIG. 7C to the state shown in FIG.

  In the embodiment in which such a protrusion 140 is used, since the protrusion 140 protrudes only on the side that fits into the receiving portion, there is no unnecessary protrusion when the lid 120 is closed, and the input to the liquid crystal screen is not performed. And avoiding trouble when carrying.

  In the above description, an embodiment in which the present invention is applied to a personal computer is shown as an embodiment of the present invention. However, the present invention is applied to all kinds of electronic devices to which the present invention can be applied, such as a mobile phone. You can also.

  Further, in the above description, an example in which two examples of the projecting portion according to the present invention are provided on each of the front surface and the rear surface of the lid is shown, but the projecting portion according to the present invention is 1 on one surface of the lid. Each may be provided, or three or more may be provided.

  In the above description, as an example of the projection and the receiving portion according to the present invention, an example in which the projection is provided on the lid side and the receiving portion is provided on the main body side is shown. The receiving part may have a protruding part provided on the main body side and a receiving part provided on the lid side.

  In the above description, as an example of the projecting portion according to the present invention, a projecting portion whose projecting direction changes in conjunction with the hook is shown. The projecting direction may be changed by pressing at.

  In the above description, hard rubber is shown as an example of the elastic material referred to in the present invention, but the elastic material referred to in the present invention is not limited to hard rubber.

  In the above description, as an example of the projecting portion according to the present invention, an example in which the projecting portion is formed separately from the lid and the projecting portion is fixed to the lid is shown. You may form integrally as a part of lid | cover. That is, the protrusion in this case is made of the same material as the lid.

  In the above description, as an example of the hook according to the present invention and an elongate hole to which the hook is applied, an example is shown in which a hook is provided on the lid and an elongate hole is provided on the main body. A long hole may be provided.

  Further, in the above description, an example is shown in which the movement of the lid in the opening direction is restricted by the hook according to the present invention when the lid is closed, but the movement in the opening direction is restricted when the lid is closed. There can also be a joint structure. In such a structure, the hook according to the present invention may not be necessary. However, even in a device not provided with the hook, the protrusion and the receiving portion according to the present invention have a shakiness in the sliding direction of the lid. Needless to say, it can be effectively prevented. That is, in such a case, the hook is not an essential component in the present invention.

  In the above description, as an example of the electronic device according to the present invention, a device including a lid provided with a screen and a main body is shown. However, each case of the electronic device connected by the joint is limited to this. Is not to be done. For example, the above-described main body may be a casing without a keyboard and provided with nothing on the upper surface, or may be a casing with a screen instead of a keyboard. Further, for example, a housing provided with screens on both sides of the lid described above may be used.

  In the above description, a lid with a touch panel arranged on the screen is shown as an example of the electronic device according to the present invention. However, if the electronic device uses another input device or simply displays information, This touch panel is not required.

  As mentioned above, although this invention was demonstrated by embodiment, in the range of the technical meaning of this invention, this invention can be variously deformed, These are not excluded from the technical scope of this invention.

The present invention will be additionally described below.
(Supplementary note 1) a first housing having a predetermined surface;
A second housing having a first surface and a second surface opposite to the first surface;
A first rotation axis extending substantially perpendicularly from a predetermined surface of the first casing and having the extending direction as an axis, wherein the first surface of the second casing is the first casing; A connecting portion that connects the first housing and the second housing so as to be displaceable so as to be in a first state facing a predetermined surface;
A protrusion protruding from one of the first housing and the second housing;
A receiving portion which is provided on the other side of the one side and fits with the protruding portion in the first state or the second state;
An electronic device characterized by comprising:
(Additional remark 2) The said connection part has a 2nd rotating shaft substantially orthogonal to the said 1st rotating shaft, and the 2nd surface of the said 2nd housing | casing from the said 1st state is said 1st The electronic apparatus according to appendix 1, wherein the electronic apparatus is displaceable to a second state facing a predetermined surface of the housing.
(Additional remark 3) It protrudes from one of the said 1st housing | casing and the said 2nd housing | casing, and it is related with the other with respect to this one in at least any one state of the said 1st state and the said 2nd state. The electronic device according to appendix 1 or 2, further comprising a mating engaging portion.
(Additional remark 4) About the direction provided in the said 2nd housing | casing among the said projection part and the said receiving part, it is provided in both the said 1st surface and the said 2nd surface, It is characterized by the above-mentioned. The electronic device according to attachment 1.
(Additional remark 5) The said protrusion part consists of elastic materials, The electronic device of Additional remark 1 or 4 characterized by the above-mentioned.
(Additional remark 6) The said protrusion part protrudes from the said 2nd housing | casing, The electronic device of Additional remark 1 or 4 characterized by the above-mentioned.
(Additional remark 7) The said protrusion part protrudes from the said 2nd housing | casing, protrudes from the said 1st surface of the said 2nd housing | casing in the said 1st state, and the said 2nd state The electronic apparatus according to appendix 2, wherein the electronic apparatus sometimes protrudes from the second surface of the second casing.
(Additional remark 8) The said protrusion part protrudes only from the said 1st surface in the said 1st state, and protrudes only from the said 2nd surface in the said 2nd state, It is characterized by the above-mentioned. The electronic device according to appendix 7.
(Additional remark 9) The said engaging part protrudes from the said 1st surface of the said 2nd housing | casing in the said 1st state, and the said 1st surface of the said 2nd housing | casing in the said 2nd state. Projecting from the surface of 2,
The electronic device according to appendix 3, wherein the protruding portion protrudes from the second housing, and the protruding direction changes in conjunction with a change in the protruding direction of the engaging portion.
(Supplementary Note 10) The first casing and the second casing are substantially rectangular, and the first rotation shaft of the connecting portion is located on one side of the first casing, and the protrusion and The electronic device according to claim 1, wherein the receiving portion is located on the opposite side of the first rotating shaft.
(Additional remark 11) The said 1st housing | casing is a main body by which the key was provided in the said predetermined surface, and the said 2nd housing | casing is a cover by which the screen was provided in the said 1st surface, It is characterized by the above-mentioned. The electronic device according to appendix 1.

It is an external appearance perspective view which shows one Embodiment of this invention. It is a figure which shows the state which the lid | cover closed. It is a figure which shows the state which the cover faced back. It is a figure which shows the state which the cover faced back and closed. It is a figure which shows the structure of a projection part. It is a figure which shows the structure of a hook. It is a figure which shows the structure of the projection part in another embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Personal computer 110 Main body 111 Keyboard 112 Long hole 113 Receiving part 120 Cover 121 Liquid crystal screen 122 Input pen 123 Hook 123a, 123b Claw part 124 Projection part 124a Head 124b Foot 125 Slider 126 Round hole 127 Shaft 128 Spring 129 Stopper 130 Joint 140 Projection Part 140a, 140b Wave-like part 140c, 140d Head 141 Fixed shaft

Claims (10)

A first housing having a predetermined surface;
A second housing having a first surface and a second surface opposite to the first surface;
A first rotation axis extending substantially perpendicularly from a predetermined surface of the first casing and having the extending direction as an axis, wherein the first surface of the second casing is the first casing; A connecting portion that connects the first housing and the second housing so as to be displaceable so as to be in a first state facing a predetermined surface;
A protrusion protruding from one of the first housing and the second housing;
A receiving portion which is provided on the other side of the one side and fits with the protruding portion in the first state or the second state;
An electronic device characterized by comprising: The connecting portion has a second rotation axis that is substantially orthogonal to the first rotation axis, and the second surface of the second casing from the first state is a predetermined portion of the first casing. The electronic apparatus according to claim 1, wherein the electronic apparatus is displaceable in a second state facing the surface. An engagement that protrudes from one of the first housing and the second housing and engages the other with respect to the other in at least one of the first state and the second state The electronic apparatus according to claim 1, further comprising a unit. The one provided on the second casing among the protrusion and the receiving portion is provided on both the first surface and the second surface. The electronic device described. The electronic device according to claim 1, wherein the protrusion is made of an elastic material. The electronic device according to claim 1, wherein the protrusion protrudes from the second housing. The protrusion protrudes from the second housing, protrudes from the first surface of the second housing in the first state, and protrudes from the first surface in the second state. The electronic device according to claim 2, wherein the electronic device protrudes from the second surface of the two housings. 8. The protruding portion protrudes only from the first surface in the first state, and protrudes only from the second surface in the second state. The electronic device described. The engaging portion protrudes from the first surface of the second housing when in the first state, and from the second surface of the second housing when in the second state. Is a prominent thing,
The electronic device according to claim 3, wherein the protruding portion protrudes from the second housing, and the protruding direction changes in conjunction with a change in the protruding direction of the engaging portion. . The first casing is a main body provided with a key on the predetermined surface, and the second casing is a lid provided with a screen on the first surface. 1. The electronic device according to 1.

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