JP2009138785A - Hinge device and mobile terminal - Google Patents

Hinge device and mobile terminal Download PDF

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Publication number
JP2009138785A
JP2009138785A JP2007313204A JP2007313204A JP2009138785A JP 2009138785 A JP2009138785 A JP 2009138785A JP 2007313204 A JP2007313204 A JP 2007313204A JP 2007313204 A JP2007313204 A JP 2007313204A JP 2009138785 A JP2009138785 A JP 2009138785A
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Japan
Prior art keywords
cam
housing
casing
rotation
hinge device
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Japanese (ja)
Inventor
Satoyuki Washizu
智行 鷲頭
Satoshi Takamori
智 高盛
Akihiro Hasegawa
明弘 長谷川
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Omron Corp
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Omron Corp
Omron Tateisi Electronics Co
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Priority to JP2007313204A priority Critical patent/JP2009138785A/en
Publication of JP2009138785A publication Critical patent/JP2009138785A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge device and a mobile terminal securely opening and closing a casing without impairing an external appearance design. <P>SOLUTION: The hinge device openably and closably connecting a first casing and a second casing comprising the mobile terminal comprises: a first cam and a second cam secured to the first casing and the second casing respectively; a pressingly energizing means for energizing the cam in the axial direction of a rotating shaft in a rotation energizing means for relatively rotating the cam; an engaging means provided in a facing section mutually facing the cam for locking the rotation by engaging with the rotation energizing means when the cam is pressed by the pressingly energizing means and for releasing the rotary engagement when reversely pressed in the reverse direction against the energizing force of the pressingly energizing means; and a pressingly operating means slidably provided in the first casing in the axial direction for the second casing for transmitting the reverse pressing force by the external operation. The pressingly operating means is installed in an axial recess formed in the first casing, rotatably to the first casing. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、例えば第1筐体と第2筐体が折りたたみ開閉可能に連結された携帯電話機やPDA等の携帯端末に用いられるようなヒンジ装置および携帯端末に関する。   The present invention relates to a hinge device and a portable terminal used for portable terminals such as a mobile phone and a PDA in which a first casing and a second casing are connected so as to be foldable and openable.

従来、携帯電話機などの携帯端末では、クラムシェルタイプと呼ばれる折りたたみ開閉を行うヒンジ装置が多く用いられている。このような折りたたみ開閉を行うヒンジ装置として、ヒンジ部分の筐体側面に開動作用の押しボタンが設けられたヒンジユニットが提案されている(特許文献1参照)。このヒンジユニットは、押しボタンが押されるとロック機構が離脱し、コイルスプリングの自己解放トルクによって、閉状態から約150度開いた使用状態に移行する。これにより、閉状態からワンタッチで使用状態にできるとされている。   2. Description of the Related Art Conventionally, in a portable terminal such as a mobile phone, a hinge device called a clamshell type that opens and closes is often used. As a hinge device that performs such folding opening and closing, a hinge unit in which a push button for opening operation is provided on a side surface of a housing of a hinge portion has been proposed (see Patent Document 1). In this hinge unit, when the push button is pressed, the lock mechanism is disengaged, and the hinge unit shifts from a closed state to a use state opened about 150 degrees by the self-release torque of the coil spring. Thereby, it is supposed that it can be made into a use state by one touch from a closed state.

しかし、このヒンジユニットは、押しボタンが小さく押しづらいという問題点がある。また、このヒンジユニットの押しボタンを押す際に、指が他の部分に接触してしまい、その摩擦抵抗により筐体の開放が妨げられたり、開放力を低下させてしまうなどの問題点がある。   However, this hinge unit has a problem that the push button is small and difficult to press. Further, when the push button of the hinge unit is pressed, the finger comes into contact with other parts, and the frictional resistance hinders the opening of the housing or reduces the opening force. .

特開2001−223479号公報JP 2001-223479 A

この発明は、上述の問題点に鑑み、外観デザインを損なうことなく、筐体を確実に開動作させることが可能なヒンジ装置および携帯端末を提供し、利用者の利便性を向上することを目的とする。   SUMMARY OF THE INVENTION In view of the above-described problems, an object of the present invention is to provide a hinge device and a portable terminal that can reliably open a casing without impairing the appearance design, and to improve user convenience. And

この発明は、携帯端末を構成する第1筐体と第2筐体とを、第2筐体に対する第1筐体の枢動により折りたたみ開閉可能に接続するヒンジ装置であって、前記第1筐体に固定される第1カムと、前記第2筐体に固定される第2カムと、前記第1カムおよび前記第2カムを同一の回転軸で相対回転可能に連結する連結部と、前記第1カムと前記第2カムの少なくとも一方を前記回転軸の軸心方向へ向けて付勢する押圧付勢手段と、前記第1カムと前記第2カムを相対回転させる回転付勢手段と、前記第1カムと前記第2カムの互いの対向部に設けられ、前記第1カムと前記第2カムが前記押圧付勢手段で押圧されているときに係合して前記回転付勢手段による回転を係止し、かつ、前記押圧付勢手段の付勢力に逆らって逆方向に押圧されたときに回転係止を解除する係合手段と、前記第2カム及び前記第2筐体に対して前記1カムとともに軸心方向に摺動可能な前記第1筐体に設けられ、外部操作による前記逆方向の押圧力を前記第1筐体に伝達する押圧操作手段とを備え、該押圧操作手段を、前記第1筐体に形成された前記軸心方向の凹部に、前記第1筐体に対して回転自在に装着したこと特徴とする。   The present invention is a hinge device for connecting a first housing and a second housing constituting a portable terminal so that the first housing and the second housing can be folded open / closed by pivoting the first housing with respect to the second housing. A first cam fixed to the body, a second cam fixed to the second housing, a connecting portion for connecting the first cam and the second cam so as to be relatively rotatable on the same rotation shaft, Pressure urging means for urging at least one of the first cam and the second cam in the axial direction of the rotation shaft; and a rotation urging means for relatively rotating the first cam and the second cam; It is provided in the mutually opposing part of the said 1st cam and the said 2nd cam, it engages when the said 1st cam and the said 2nd cam are pressed by the said press biasing means, and the said rotary biasing means When rotation is locked and pressed in the opposite direction against the biasing force of the pressing biasing means An engagement means for releasing the rotation lock, and provided in the first casing slidable in the axial direction together with the first cam with respect to the second cam and the second casing, and the reverse by an external operation. Pressing operation means for transmitting a pressing force in the direction to the first casing, and the pressing operation means is disposed in the axially recessed portion formed in the first casing with respect to the first casing. It is characterized in that it can be rotated freely.

前記回転付勢手段は、回転させる方向へ直接力を加えるバネなどの弾性部材、あるいは、第1カムと第2カムを近づける方向へ押圧する弾性部材とこの押圧力によって回転力を生じる傾斜面を利用したカム形状とで構成するなど、回転付勢する適宜の手段で構成することができる。   The rotation urging means includes an elastic member such as a spring that directly applies a force in the rotating direction, or an elastic member that presses the first cam and the second cam closer to each other, and an inclined surface that generates a rotating force by the pressing force. It can be configured by an appropriate means for urging rotation, such as a cam shape used.

この発明により、前記押圧操作手段を軸心方向における逆方向に押圧することによって第1筐体とともに第1カムを逆方向に摺動させ、この摺動によって係合手段の回転係止を解除して、第1筐体を開放することのできるヒンジ装置を提供できる。また、上述したような第1筐体の開操作において、開操作する指が他の部分と接触することによる摩擦抵抗により筐体の開放が妨げられたり、開放力を低下することなく、確実に開動作させることが可能な携帯端末を、外観デザインを損なうことなく実現することができるヒンジ装置を提供することができる。   According to this invention, the first cam is slid in the reverse direction together with the first casing by pressing the pressing operation means in the opposite direction in the axial direction, and the rotation locking of the engaging means is released by this sliding. Thus, a hinge device that can open the first housing can be provided. Further, in the opening operation of the first housing as described above, the opening of the housing is prevented from being hindered by the frictional resistance caused by the contact of the finger to be opened with other parts, or the opening force is not reduced. It is possible to provide a hinge device capable of realizing a portable terminal that can be opened without impairing the appearance design.

この発明の態様として、前記押圧操作手段を、前記逆方向の押圧力が付与されていない状態において、前記第2筐体側面に対して面一となる面一形状に形成することができる。
これにより、押圧操作手段が不用意に操作され、不用意に開動作が生じることを防止できる。また、押圧操作手段を備えた上で、優れた外観デザインの携帯端末を実現できるヒンジ装置を提供することができる。
As an aspect of the present invention, the pressing operation means can be formed to be flush with the side surface of the second housing in a state where the pressing force in the reverse direction is not applied.
Thereby, it is possible to prevent the pressing operation means from being inadvertently operated and inadvertently causing an opening operation. Further, it is possible to provide a hinge device that can realize a portable terminal having an excellent appearance design, provided with a pressing operation means.

またこの発明の態様として、前記押圧操作手段の前記第2筐体との対向面を、前記第2筐体と面接触する面接触形状に形成することができる。
これにより、押圧操作手段が第2筐体に装備されているかのような美しい美観に仕上げることができる。
Further, as an aspect of the present invention, the surface of the pressing operation means that faces the second housing can be formed in a surface contact shape that makes surface contact with the second housing.
Thereby, it can be finished in a beautiful aesthetic as if the pressing operation means is mounted on the second housing.

また、押圧操作手段の供回りを防止するためのその他の治具を備えずとも、第2筐体に対して枢動する第1筐体との供回りを確実に防止できる。したがって、押圧操作手段を押圧する指との摩擦抵抗により筐体の開放が妨げられたり、開放力を低下することがなく、良好な操作性を得ることができる。   Moreover, without providing the other jig | tool for preventing the rotation of a press operation means, the rotation with the 1st housing | casing pivoted with respect to a 2nd housing | casing can be prevented reliably. Therefore, the opening of the housing is not hindered by the frictional resistance with the finger pressing the pressing operation means, and the opening force is not reduced, and good operability can be obtained.

またこの発明は、前記ヒンジ装置で接続した前記第1筐体と前記第2筐体の少なくとも一方に、画像を表示する表示手段と入力操作を許容する入力手段の少なくとも一方を備えた携帯端末とすることができる。
これにより、外観デザインを損なうことなく、筐体を確実に開動作させることが可能な携帯端末を提供することができる。
According to another aspect of the present invention, there is provided a portable terminal including at least one of display means for displaying an image and input means for allowing an input operation on at least one of the first casing and the second casing connected by the hinge device. can do.
Accordingly, it is possible to provide a portable terminal that can reliably open the housing without deteriorating the appearance design.

この発明により、上述の問題点に鑑み、外観デザインを損なうことなく、筐体を確実に開動作させることが可能なヒンジ装置および携帯端末を提供し、利用者の利便性を向上することができる。   According to the present invention, in view of the above-described problems, it is possible to provide a hinge device and a portable terminal that can reliably open a housing without impairing the appearance design, and to improve user convenience. .

この発明の一実施形態を以下図面と共に説明する。
図1は正面右上から見た開状態の携帯電話機1の斜視図を示し、図2は正面左上から見た閉状態における携帯電話機1のボタンキャップ51及びダミーキャップ52の分解斜視図を示し、図3は閉状態の携帯電話機1の分解上面図を示し、図4は左側面後ろ下方から見たヒンジ機構10の分解斜視図を示し、図5は左側面後ろ下方から見たヒンジ機構10の斜視図を示し、図6は閉状態の携帯電話機1の縦断上面図を示し、図7は右側面後ろ上方から見た携帯電話機1の部分斜視図を示し、図8はカム面の構成説明図を示す。
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 shows a perspective view of the mobile phone 1 in an open state as viewed from the upper right of the front, and FIG. 2 shows an exploded perspective view of the button cap 51 and the dummy cap 52 of the mobile phone 1 in the closed state as seen from the upper left of the front. 3 shows an exploded top view of the cellular phone 1 in a closed state, FIG. 4 shows an exploded perspective view of the hinge mechanism 10 as seen from the lower left side and lower side, and FIG. 5 shows a perspective view of the hinge mechanism 10 as seen from the lower rear side of the left side. 6 is a vertical top view of the cellular phone 1 in a closed state, FIG. 7 is a partial perspective view of the cellular phone 1 as viewed from the rear upper side of the right side, and FIG. 8 is a configuration explanatory view of the cam surface. Show.

図1に示すように、携帯電話機1は、下筐体2と上筐体4とが、それぞれの連結筐体3により折りたたみ開閉可能に接続されている。
下筐体2には、押下ボタンなどの入力装置I、および集音用のマイクMが折りたたみ内側面に設けられている。上筐体4には、液晶ディスプレイなどの表示装置D、および音声出力用のスピーカSが折りたたみ内側面に設けられている。
As shown in FIG. 1, in a mobile phone 1, a lower housing 2 and an upper housing 4 are connected to each other by a connecting housing 3 so as to be foldable.
The lower housing 2 is provided with an input device I such as a push button and a microphone M for collecting sound on the folding inner side surface. The upper casing 4 is provided with a display device D such as a liquid crystal display and a speaker S for sound output on the folding inner side surface.

また、上筐体4は、接続部分の端面中央に形成した長さ方向に凹な凹部4aと、凹部4aの両外側で、上筐体4の角部に形成した幅及び長さ方向に凹な凹部4b,4bとを備えている。これにより、上筐体4は、上筐体4の接続部分の端面から長さ方向に突出する2本の接続脚部4c,4cを備えている。   In addition, the upper housing 4 is recessed in the length and concave portions 4a formed in the center of the end surface of the connection portion, and in the width and length directions formed in the corners of the upper housing 4 on both outer sides of the recess 4a. Recesses 4b and 4b. Thus, the upper housing 4 includes two connection legs 4c and 4c that protrude in the length direction from the end face of the connection portion of the upper housing 4.

なお、接続脚部4c,4cには、各接続脚部4cの両外側面から幅方向外向きに突出する回転軸4d,4dを備えている(図2参照)。正面視右側の該回転軸4dにはボタンキャップ51が装着され、正面視左側の回転軸4dにはダミーキャップ52が装着されている。上記構成により、ボタンキャップ51及びダミーキャップ52は上筐体4に対して回転自在に装着されている。   The connecting legs 4c and 4c are provided with rotating shafts 4d and 4d that protrude outward in the width direction from both outer side surfaces of each connecting leg 4c (see FIG. 2). A button cap 51 is attached to the rotary shaft 4d on the right side of the front view, and a dummy cap 52 is attached to the rotary shaft 4d on the left side of the front view. With the above configuration, the button cap 51 and the dummy cap 52 are rotatably attached to the upper housing 4.

内側面側に回転軸4dの挿入を許容する挿入孔51a,52aを備えたボタンキャップ51及びダミーキャップ52は側面視釣鐘形状に形成され、底面側の平面部分51b,52bが下筐体2に対向する向きで上筐体4に装着されている。   The button cap 51 and the dummy cap 52 having insertion holes 51a and 52a that allow the rotation shaft 4d to be inserted on the inner surface side are formed in a bell shape when viewed from the side, and the flat portions 51b and 52b on the bottom surface side are formed in the lower housing 2. It is mounted on the upper housing 4 in the facing direction.

なお、ボタンキャップ51及びダミーキャップ52は、側面部分51c,52cが下筐体2の下筐体側面2b及び上筐体4の側面4fと、上面が下筐体2の下筐体上面2cと、正面が上筐体4の上筐体正面4eと、それぞれ面一になるよう形成されている。また、ボタンキャップ51及びダミーキャップ52は、正面から上面にかかる円弧部分が接続脚部4cと同一の円弧形状に形成されている。   The button cap 51 and the dummy cap 52 have side portions 51c and 52c that are the lower case side surface 2b of the lower case 2 and the side surface 4f of the upper case 4, and the upper surface that is the lower case upper surface 2c of the lower case 2. The front surface is formed to be flush with the upper housing front surface 4e of the upper housing 4 respectively. In addition, the button cap 51 and the dummy cap 52 are formed in the same arc shape as the connection leg portion 4c with an arc portion extending from the front surface to the upper surface.

そして、上記連結筐体3は、下筐体2に対して、接続部分の折りたたみ内側面(図1の上面)に突出するように接続され、上筐体4に対しては、上記凹部4aに嵌まり込むように接続されている。   And the said connection housing | casing 3 is connected so that it may protrude in the folding inner side surface (upper surface of FIG. 1) of a connection part with respect to the lower housing | casing 2, and with respect to the upper housing | casing 4 to the said recessed part 4a. Connected to fit.

連結筐体3は、図3に示すように、上筐体用カム軸60、下筐体用カムパイプ40、押圧バネ35、回動バネ30、および上筐体用固定プレート20で構成されるヒンジ機構10と、このヒンジ機構10を被覆するカバーとなるハウジング15とにより構成されている。   As shown in FIG. 3, the connecting housing 3 is a hinge composed of an upper housing cam shaft 60, a lower housing cam pipe 40, a pressing spring 35, a rotation spring 30, and an upper housing fixing plate 20. The mechanism 10 and a housing 15 serving as a cover that covers the hinge mechanism 10 are configured.

ハウジング15は、側面視釣鐘形状に形成され、内部に円筒形の孔17を備えている。この孔17の一端側に上筐体4の枢軸5が挿通される。また、この孔17には、ヒンジ機構10が挿通される。   The housing 15 is formed in a bell shape when viewed from the side, and includes a cylindrical hole 17 therein. The pivot 5 of the upper housing 4 is inserted into one end of the hole 17. Further, the hinge mechanism 10 is inserted into the hole 17.

側面視釣鐘形状に形成されたハウジング15の平面部分15aにスライド許容孔16が形成されている。このスライド許容孔16には、ヒンジ機構10の下筐体用カムパイプ40に設けられた下筐体固定板42が枢軸方向にスライド移動可能に通される。   A slide allowing hole 16 is formed in a flat portion 15a of the housing 15 formed in a bell shape in a side view. A lower housing fixing plate 42 provided on the lower housing cam pipe 40 of the hinge mechanism 10 is slidably passed through the slide allowable hole 16 in the pivot direction.

この下筐体固定板42は、下筐体2に設けられた固定溝2aに装着固定される。これにより、下筐体用カムパイプ40は、下筐体2と一体になっている。
また、上筐体4には、上筐体用固定プレート20が非回転に固定される。そして、上筐体用固定プレート20には、上筐体用カム軸60が非回転に固定される。したがって、上筐体4に非回転に固定された上筐体用固定プレート20及び上筐体用カム軸60は、上筐体4と一体になってスライド移動および回転する。
The lower housing fixing plate 42 is mounted and fixed in a fixing groove 2 a provided in the lower housing 2. Thus, the lower housing cam pipe 40 is integrated with the lower housing 2.
The upper casing fixing plate 20 is fixed to the upper casing 4 in a non-rotating manner. The upper casing cam shaft 60 is fixed to the upper casing fixing plate 20 in a non-rotating manner. Therefore, the upper casing fixing plate 20 and the upper casing cam shaft 60 fixed to the upper casing 4 in a non-rotating manner are slid and moved integrally with the upper casing 4.

図4に示すように、上筐体用固定プレート20は、略円盤形を有しており、周面に左右対称の固定凸部21が設けられている。この固定凸部21の1つには、回動バネ30の係止端32(図3参照)が取り付けられる係止孔23が設けられている。また、中央には、小判型の挿通孔22が設けられている。   As shown in FIG. 4, the upper housing fixing plate 20 has a substantially disk shape, and a symmetrical convex protrusion 21 is provided on the circumferential surface. One of the fixed convex portions 21 is provided with a locking hole 23 to which a locking end 32 (see FIG. 3) of the rotation spring 30 is attached. Further, an oval insertion hole 22 is provided in the center.

回動バネ30は、コイル状に巻かれた弦巻バネであり、両端に係止端31,32が設けられている。係止端31は、下筐体用カムパイプ40の下筐体固定板42に設けられた図示省略する係止孔に装着される。係止端32は、上筐体用固定プレート20の係止孔23に装着される。これにより、回動バネ30は、下筐体用カムパイプ40の下筐体固定板42と、上筐体用固定プレート20とを相対的に回転させる方向へ付勢する。   The rotation spring 30 is a string-wound spring wound in a coil shape, and is provided with locking ends 31 and 32 at both ends. The locking end 31 is attached to a locking hole (not shown) provided in the lower casing fixing plate 42 of the lower casing cam pipe 40. The locking end 32 is mounted in the locking hole 23 of the upper housing fixing plate 20. As a result, the rotating spring 30 biases the lower casing fixing plate 42 of the lower casing cam pipe 40 and the upper casing fixing plate 20 in a relatively rotating direction.

押圧バネ35は、コイル状に巻かれた弦巻バネであり、両端部分が平面となるように形成されている。この押圧バネ35は、上筐体用固定プレート20と下筐体用カムパイプ40の下筐体固定板42とを両者が離間する方向(軸心方向の一方向)へ付勢する。この付勢により、下筐体用カムパイプ40のカムベース44と、上筐体用カム軸60のカム突起65とが近づく方向へ押圧される。   The pressing spring 35 is a coiled spring wound in a coil shape, and is formed so that both end portions are flat. The pressing spring 35 urges the upper housing fixing plate 20 and the lower housing fixing plate 42 in the direction in which they are separated from each other (one direction in the axial direction). By this urging, the cam base 44 of the lower housing cam pipe 40 and the cam protrusion 65 of the upper housing cam shaft 60 are pressed in a direction approaching.

下筐体用カムパイプ40は、板状の下筐体固定板42の片面側に円筒形のパイプ部41を備え、下筐体固定板42の他方の片面側にカムベース44を備えている。下筐体固定板42には、固定溝2aに挿入された状態で下筐体2にネジ止め等により固定するための孔43が設けられている。   The lower housing cam pipe 40 includes a cylindrical pipe portion 41 on one side of a plate-shaped lower housing fixing plate 42, and a cam base 44 on the other surface of the lower housing fixing plate 42. The lower housing fixing plate 42 is provided with a hole 43 for being fixed to the lower housing 2 by screwing or the like while being inserted into the fixing groove 2a.

カムベース44は、下筐体固定板42と反対側の面に、開状態係止斜面45、回動許容平面46、回動補助斜面47、および閉状態吸い込み係止斜面48が連続して円形配置されている。
したがって、これらのカム面(45〜48)には、上筐体用カム軸60のカム突起65が係合しつつ移動する。
The cam base 44 has a circular arrangement in which an open state locking slope 45, a rotation allowance flat surface 46, a rotation assisting slope 47, and a closed state suction locking slope 48 are continuously arranged on the surface opposite to the lower housing fixing plate 42. Has been.
Therefore, the cam projections 65 of the upper housing cam shaft 60 move while engaging with these cam surfaces (45 to 48).

また、下筐体用カムパイプ40は、パイプ部41、下筐体固定板42、およびカムベース44を貫く挿通孔49が設けられている。この挿通孔49には、上筐体用カム軸60の枢軸63が挿通される。挿通孔49の内面と枢軸63の外周面との隙間は、両者が相対的に回転可能でガタつかない程度に微小に設定されている。   The lower housing cam pipe 40 is provided with an insertion hole 49 that penetrates the pipe portion 41, the lower housing fixing plate 42, and the cam base 44. The pivot 63 of the upper housing cam shaft 60 is inserted into the insertion hole 49. The gap between the inner surface of the insertion hole 49 and the outer peripheral surface of the pivot 63 is set to be small enough that both are relatively rotatable and do not rattle.

上筐体用カム軸60は、円柱形の枢軸63の一端にプレート固定部61が設けられ、他端にカム突起65が設けられている。プレート固定部61は、断面小判型に形成されており、上筐体用固定プレート20の挿通孔22に挿通されてEリング11で固定される。これにより、上筐体用固定プレート20と上筐体用カム軸60は互いに相対回転しないように固定され、一体化する。   The upper housing cam shaft 60 is provided with a plate fixing portion 61 at one end of a cylindrical pivot 63 and a cam projection 65 at the other end. The plate fixing portion 61 is formed in an oval cross section, and is inserted into the insertion hole 22 of the upper housing fixing plate 20 and fixed by the E ring 11. Thereby, the upper casing fixing plate 20 and the upper casing cam shaft 60 are fixed and integrated so as not to rotate relative to each other.

カム突起65は、カムベース44の各カム面(45〜48)に当接する。これにより、回転係止、回転許容、および回転補助を行う。上筐体用カム軸60のカム突起65が設けられている端部中央には、支持孔67が形成されている。この支持孔67には、上筐体4の枢軸5の先端に設けられた支持突起5aが挿通される。これにより、上筐体用カム軸60は支持突起5aで安定して支持される。
なお、支持突起5aと前記回転軸4dとは軸心方向がほぼ一致している。したがって、支持突起5aに安定して支持されている上筐体用カム軸60と前記回転軸4dとも軸心方向がほぼ一致することとなる。
The cam protrusion 65 abuts on each cam surface (45 to 48) of the cam base 44. Thereby, rotation locking, rotation permission, and rotation assistance are performed. A support hole 67 is formed in the center of the end of the upper housing cam shaft 60 where the cam projection 65 is provided. A support protrusion 5 a provided at the tip of the pivot 5 of the upper housing 4 is inserted into the support hole 67. Thereby, the upper housing cam shaft 60 is stably supported by the support protrusions 5a.
In addition, the axial direction of the support protrusion 5a and the rotating shaft 4d are substantially the same. Therefore, the axial direction of the camshaft 60 for the upper housing that is stably supported by the support protrusion 5a and the rotational shaft 4d are substantially the same.

これらの構成要素を組み合わせたヒンジ機構10は、図6に示すように携帯電話機1に組み込まれる。このとき、図示するように外部から視認できる部分がハウジング15のみとなり、良好な美観を得ることができる。ハウジング15を図示省略すると、図7に示すように、ヒンジ機構10が上筐体4に装着される。   A hinge mechanism 10 in which these components are combined is incorporated in the mobile phone 1 as shown in FIG. At this time, as shown in the drawing, only the housing 15 is visible from the outside, and a good aesthetic appearance can be obtained. If the housing 15 is not shown, the hinge mechanism 10 is attached to the upper housing 4 as shown in FIG.

この図7では図示省略されているが、上筐体用カム軸60に固定された上筐体用固定プレート20が上筐体4に固定され、上筐体用カム軸60の支持孔67(図5参照)が上筐体4の支持突起5aに支持される。したがって、上筐体用カム軸60は上筐体4に確実に固定される。   Although not shown in FIG. 7, the upper casing fixing plate 20 fixed to the upper casing cam shaft 60 is fixed to the upper casing 4, and the support hole 67 ( 5) is supported by the support protrusion 5a of the upper housing 4. Therefore, the upper housing cam shaft 60 is securely fixed to the upper housing 4.

図9及び図10は閉状態とスライド状態の携帯電話機1の説明図であり、図11は閉状態(0度)と、回動途中状態(45度)と、全開状態(165度)とを説明する説明図である。   9 and 10 are explanatory views of the cellular phone 1 in the closed state and the slide state, and FIG. 11 shows a closed state (0 degree), a rotating state (45 degrees), and a fully opened state (165 degrees). It is explanatory drawing demonstrated.

閉状態のとき、携帯電話機1は、図9(A)や、図10(A)及び図10(a)の要部拡大図に示すように下筐体2と上筐体4がずれなくピタリと重なった状態で係止している。このとき、図8に示したように上筐体用カム軸60のカム突起65は、カムベース44の閉状態吸い込み係止斜面48に当接している。   When in the closed state, the cellular phone 1 is not slipped between the lower housing 2 and the upper housing 4 as shown in FIG. 9 (A) and enlarged views of the main part in FIGS. 10 (A) and 10 (a). It is locked in a state of overlapping. At this time, as shown in FIG. 8, the cam protrusion 65 of the upper housing cam shaft 60 is in contact with the closed state suction locking inclined surface 48 of the cam base 44.

この閉状態吸い込み係止斜面48は急激な斜面であり、また押圧バネ35によりカムベース44へ上筐体用カム軸60が押圧されている。このため、回動バネ30の回動付勢力がかかっていても、カム突起65は閉状態吸い込み係止斜面48を乗り越えることができない。   The closed state suction locking slope 48 is a steep slope, and the upper housing cam shaft 60 is pressed against the cam base 44 by the pressing spring 35. For this reason, even if the rotation biasing force of the rotation spring 30 is applied, the cam projection 65 cannot get over the closed state suction locking inclined surface 48.

図9(B)に示すように、利用者の手によってボタンキャップ51を下筐体2の幅方向(図9においてY方向)、すなわちヒンジ機構10の回転軸と平行に押圧されると、下筐体2に対して上筐体4がY方向にスライド移動する。このとき、図6に矢印Xで示すように、下筐体用カムパイプ40のカムベース44が上筐体用カム軸60のカム突起65から離間する方向へ移動する。そうすると、カム突起65はカムベース44の閉状態吸い込み係止斜面48での係止から開放されて閉状態吸い込み係止斜面48を乗り越える。   As shown in FIG. 9B, when the button cap 51 is pressed by the user's hand in the width direction of the lower housing 2 (the Y direction in FIG. 9), that is, in parallel with the rotation axis of the hinge mechanism 10, The upper housing 4 slides in the Y direction with respect to the housing 2. At this time, as indicated by an arrow X in FIG. 6, the cam base 44 of the lower housing cam pipe 40 moves in a direction away from the cam protrusion 65 of the upper housing cam shaft 60. As a result, the cam protrusion 65 is released from the locking of the cam base 44 at the closed suction lock slope 48 and gets over the closed suction lock slope 48.

乗り越えた後は、回動バネ30の付勢力によって図10(C)及び図10(c)の要部拡大図や、図11(C)に示すように回動を始める。このとき、利用者によるボタンキャップ51の押圧が停止されると、押圧バネ35の付勢力によってカム突起65がカムベース44の回動補助斜面47に当接する。そして、回動補助斜面47の傾斜と押圧バネ35の付勢力によって、下筐体用カムパイプ40と上筐体用カム軸60の回動、すなわち下筐体2と上筐体4の回動が補助される。
回動が90°を超えて、カム突起65が回動許容平面46に当接すると、その後は、これまでの回動の勢いと、回動バネ30の付勢力によってさらに回動する。
After getting over, the urging force of the rotating spring 30 starts to rotate as shown in the enlarged view of the main part of FIGS. 10C and 10C and FIG. 11C. At this time, when the pressing of the button cap 51 by the user is stopped, the cam protrusion 65 comes into contact with the rotation assist slope 47 of the cam base 44 by the urging force of the pressing spring 35. The lower casing cam pipe 40 and the upper casing cam shaft 60 are rotated by the inclination of the rotation assist slope 47 and the urging force of the pressing spring 35, that is, the lower casing 2 and the upper casing 4 are rotated. Assisted.
When the rotation exceeds 90 ° and the cam projection 65 comes into contact with the rotation allowable plane 46, the cam projection 65 is further rotated by the conventional rotation force and the biasing force of the rotation spring 30.

そして、カム突起65が開状態係止斜面45に差し掛かると、開状態係止斜面45の傾斜と押圧バネ35の付勢力による吸い込みが働き、図8に示した165°の角度で、図11(D)に示すように全開状態となって停止する。このとき、ハウジング15に形成された回転係止突起15aが、上筐体4の上筐体正面4e(重ね合わせ外側の面)に当接して回転係止する。これにより、全開状態での角度を安定させることができる。   Then, when the cam projection 65 reaches the open-state locking slope 45, suction by the inclination of the open-state locking slope 45 and the urging force of the pressing spring 35 works, and at an angle of 165 ° shown in FIG. As shown to (D), it will be in a full open state and will stop. At this time, the rotation locking protrusions 15a formed on the housing 15 are brought into contact with the upper housing front surface 4e (the surface on the outer side of the overlapping) of the upper housing 4 and are rotationally locked. Thereby, the angle in a fully open state can be stabilized.

開状態から閉状態へ戻すときは、利用者の手によって下筐体2と上筐体4が閉方向に回動される。ここで、カム突起65が開状態係止斜面45を乗り越える時に適度なクリック感が得られる。そして、カム突起65が閉状態吸い込み係止斜面48に差し掛かると、後は閉状態吸い込み係止斜面48の傾斜と押圧バネ35の付勢力による吸い込み機能が働き、下筐体2と上筐体4が完全閉状態まで自然に移行する。   When returning from the open state to the closed state, the lower housing 2 and the upper housing 4 are rotated in the closing direction by the user's hand. Here, an appropriate click feeling can be obtained when the cam projection 65 gets over the open state locking slope 45. Then, when the cam projection 65 reaches the closed state suction locking slope 48, the suction function by the inclination of the closed state suction locking slope 48 and the biasing force of the pressing spring 35 works, and the lower housing 2 and the upper housing 4 naturally shifts to a fully closed state.

以上の構成および動作により、利用者は、ボタンキャップ51をダミーキャップ52の方向に向かって、すなわち下筐体2の幅方向であるY方向に押圧するだけで、携帯電話機1を全開状態にすることができる。特に、例えば右手で下筐体2を下から掴み、親指でボタンキャップ51を押圧させたときに、右手親指は枢動する上筐体4に触れることがなく、スムーズに上筐体4を開放することができる。   With the above configuration and operation, the user can fully open the mobile phone 1 simply by pressing the button cap 51 toward the dummy cap 52, that is, in the Y direction that is the width direction of the lower housing 2. be able to. In particular, for example, when the lower housing 2 is grasped from below with the right hand and the button cap 51 is pressed with the thumb, the right hand thumb does not touch the pivoting upper housing 4 and smoothly opens the upper housing 4. can do.

このように、利用者は、押圧しやすく大きなボタンキャップ51を押圧することで上筐体4を開放させ、良好な操作性を得ることができる。したがって、例えば高齢者のような細かい操作が困難である利用者であっても容易に上筐体4の開放操作を行うことができる。   Thus, the user can open the upper housing 4 by pressing the large button cap 51 that is easy to press, and can obtain good operability. Therefore, for example, even a user who is difficult to perform fine operations such as an elderly person can easily open the upper casing 4.

また、ボタンキャップ51を、上筐体4の接続側の角部に凹状で形成した凹部4aに収まる態様、詳しくは、下筐体2の下筐体側面2b及び下筐体上面2c、並びに上筐体4の上筐体側面4f及び上筐体正面4eから突出しない、それぞれの面と面一となる形状及び配置でボタンキャップ51を装着したため、操作性に優れた大きな形状のボタンキャップ51を備えながらシンプルで美しい外観の携帯電話機1を提供することができる。   Further, the button cap 51 can be accommodated in a concave portion 4a formed in a concave shape at the corner on the connection side of the upper casing 4, more specifically, the lower casing side surface 2b and the lower casing upper surface 2c of the lower casing 2, and the upper casing 4 Since the button cap 51 is mounted in a shape and arrangement that does not protrude from the upper case side surface 4f and the upper case front surface 4e of the case 4 and is flush with the respective surfaces, the large button cap 51 with excellent operability is provided. The mobile phone 1 having a simple and beautiful appearance can be provided while being provided.

また、ボタンキャップ51を側面視釣鐘形状に形成し、平面部分51bが下筐体2側と成るように回転軸4dに装着したことにより、下筐体2と平面部分51bとが面接触する。したがって、下筐体2に対して上筐体4が枢動する際に、上筐体4に対して回転自在に装着されたボタンキャップ51は、平面部分51bの下筐体2との面接触によって、上筐体4の回転と供回りすることを防止できる。   Further, the button cap 51 is formed in a bell shape in a side view and is mounted on the rotating shaft 4d so that the flat portion 51b is on the lower case 2 side, so that the lower case 2 and the flat portion 51b are in surface contact. Therefore, when the upper casing 4 pivots with respect to the lower casing 2, the button cap 51 that is rotatably attached to the upper casing 4 is in surface contact with the lower casing 2 of the flat portion 51b. Thus, it is possible to prevent the upper casing 4 from rotating and rotating.

したがって、利用者が例えば親指でボタンキャップ51を押圧して上筐体4の開放操作した場合であっても、上筐体4の回転がボタンキャップ51に伝達されず、ボタンキャップ51を押圧することによる回転力の低下等の開動作に支障する回転摩擦等が生じることを防止できる。   Therefore, even when the user presses the button cap 51 with, for example, the thumb and opens the upper casing 4, the rotation of the upper casing 4 is not transmitted to the button cap 51 and presses the button cap 51. It is possible to prevent the occurrence of rotational friction that hinders the opening operation, such as a decrease in rotational force.

また、ボタンキャップ51が下筐体2の側面に対して面一となる形状及び配置で装着しているため、不用意にボタンキャップ51が押圧されて、上筐体4が開放されることを防止している。   Further, since the button cap 51 is mounted in a shape and arrangement that is flush with the side surface of the lower housing 2, the button cap 51 is inadvertently pressed and the upper housing 4 is opened. It is preventing.

また、ボタンキャップ51の押圧方向反対側の凹部4bにボタンキャップ51と左右対称形状のダミーキャップ52を装着したために、シンメトリ形状を構成し、さらに美しい外観の携帯電話機1を提供することができる。   In addition, since the button cap 51 and the symmetrical dummy cap 52 are mounted in the concave portion 4b on the opposite side of the button cap 51 in the pressing direction, the symmetrical shape of the mobile phone 1 having a symmetrical shape can be provided.

また、カムベース44とカム突起65とを係合させて回転係止しておくための押圧バネ35と、自動回転動作を実現する回動バネ30とを別構成としたため、利用者が下筐体2と上筐体4とをスライド移動させるために必要な押圧バネ35に逆らう手動押圧力を小さくすることができる。また押圧バネ35と回動バネ30とを別構成にしたことにより、下筐体2と上筐体4の自動開動をしっかりと実現できる。   Further, since the pressing spring 35 for engaging and locking the cam base 44 and the cam protrusion 65 and the rotating spring 30 for realizing the automatic rotating operation are configured separately, the user can configure the lower casing. The manual pressing force against the pressing spring 35 required for sliding the 2 and the upper housing 4 can be reduced. Further, since the pressing spring 35 and the rotating spring 30 are configured separately, the automatic opening of the lower housing 2 and the upper housing 4 can be firmly realized.

また、ヒンジ機構10がハウジング15内に収まっているため、携帯電話機1の外観をシンプルで美しくすることができ、また外観デザインの設計自由度を高めることができる。   Further, since the hinge mechanism 10 is housed in the housing 15, the appearance of the mobile phone 1 can be made simple and beautiful, and the degree of freedom in designing the appearance design can be increased.

また、下筐体2をスライドさせた際、連結筐体3と下筐体2が面接触している接続面間で相対的にスライド移動する。このため、上筐体4の凹部4a内における連結筐体3の位置が変化せず、スライド移動による隙間の発生を防止できる。これにより、シンプルで美しい外観の携帯電話機1を提供でき、また携帯電話機1の外観デザインの設計自由度を高めることができる。   Further, when the lower housing 2 is slid, the connecting housing 3 and the lower housing 2 are relatively slid and moved between the connection surfaces in surface contact. For this reason, the position of the connection housing | casing 3 in the recessed part 4a of the upper housing | casing 4 does not change, and generation | occurrence | production of the clearance gap by slide movement can be prevented. Thereby, the mobile phone 1 having a simple and beautiful appearance can be provided, and the degree of design freedom of the external design of the mobile phone 1 can be increased.

また、下筐体用カムパイプ40のパイプ部41内に上筐体用カム軸60の枢軸63内に挿通し、この挿通されている長さをパイプ部41内径以上に十分長くしたため、スライド移動にこじりが生じることを防止して安定移動させることができ、滑らかに回動させることができる。   In addition, the pipe portion 41 of the lower housing cam pipe 40 is inserted into the pivot 63 of the upper housing cam shaft 60, and the inserted length is sufficiently longer than the inner diameter of the pipe portion 41. It is possible to prevent the twisting and to move stably, and to rotate smoothly.

さらに、ボタンキャップ51が回転自在に装着された回転軸4dと、ヒンジ機構10の回転軸である上筐体用カム軸60との軸心方向がほぼ一致するよう配置されているため、下筐体2に対する上筐体4の開操作において、回転を妨げずにボタンキャップ51を押圧することができる。
また、回転軸4dと上筐体用カム軸60との軸心方向がほぼ一致しているため、ボタンキャップ51を押圧する軸心方向の押圧力を、ロスすることなく上筐体4に伝達することができる。
Further, since the rotation axis 4d on which the button cap 51 is rotatably mounted and the upper casing cam shaft 60 which is the rotation axis of the hinge mechanism 10 are arranged so as to be substantially coincident with each other, the lower casing is arranged. In opening operation of the upper housing | casing 4 with respect to the body 2, the button cap 51 can be pressed, without preventing rotation.
Further, since the axial directions of the rotating shaft 4d and the upper housing cam shaft 60 are substantially coincident with each other, the axial force pressing the button cap 51 is transmitted to the upper housing 4 without loss. can do.

この発明の構成と、上述の実施形態との対応において、
この発明の携帯端末は、実施形態の携帯電話機1に対応し、
以下同様に、
第1筐体は、上筐体4に対応し、
第2筐体は、下筐体2に対応し、
ヒンジ装置は、連結筐体3及びヒンジ機構10に対応し、
第1カムは、上筐体用カム軸60に対応し、
第2カムは、下筐体用カムパイプ40に対応し、
連結部は、パイプ部41および枢軸63に対応し、
押圧付勢手段は、押圧バネ35に対応し、
回転付勢手段は、回動バネ30に対応し、
係合手段は、カム面45〜48およびカム突起65に対応し、
押圧操作手段は、ボタンキャップ51に対応し、
凹部は、凹部4bに対応し、
第2筐体側面は、下筐体側面2bに対応し、
対向面は、平面部分51bに対応し、
表示手段は、表示装置Dに対応し、
入力手段は、入力装置Iに対応するも、
この発明は、上述の実施形態の構成のみに限定されるものではなく、多くの実施の形態を得ることができる。
In correspondence between the configuration of the present invention and the above-described embodiment,
The mobile terminal of the present invention corresponds to the mobile phone 1 of the embodiment,
Similarly,
The first housing corresponds to the upper housing 4 and
The second housing corresponds to the lower housing 2,
The hinge device corresponds to the connecting housing 3 and the hinge mechanism 10,
The first cam corresponds to the upper housing cam shaft 60,
The second cam corresponds to the cam pipe 40 for the lower housing,
The connecting portion corresponds to the pipe portion 41 and the pivot 63,
The pressing biasing means corresponds to the pressing spring 35,
The rotation urging means corresponds to the rotation spring 30,
The engaging means correspond to the cam surfaces 45 to 48 and the cam protrusion 65,
The pressing operation means corresponds to the button cap 51,
The recess corresponds to the recess 4b,
The second housing side surface corresponds to the lower housing side surface 2b,
The facing surface corresponds to the flat portion 51b,
The display means corresponds to the display device D,
The input means corresponds to the input device I,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

正面右上から見た開状態の携帯電話機の斜視図。The perspective view of the open mobile phone seen from the front upper right. 正面左上から見た閉状態における分解斜視図。The exploded perspective view in the closed state seen from the front upper left. 閉状態の携帯電話機の分解上面図。The exploded top view of the cellular phone in the closed state. 左側面後ろ上方から見たヒンジ機構の分解斜視図。The disassembled perspective view of the hinge mechanism seen from the left side back upper part. 左側面後ろ上方から見たヒンジ機構の斜視図。The perspective view of the hinge mechanism seen from the left side back upper part. 閉状態の携帯電話機の縦断上面図。FIG. 3 is a vertical top view of the mobile phone in a closed state. 右側面後ろ上方から見た携帯電話機の部分斜視図。The partial perspective view of the mobile phone seen from the right side back upper part. カム面の構成説明図。Configuration explanatory drawing of a cam surface. 閉状態とスライド状態の携帯電話機の説明図。Explanatory drawing of the mobile phone of a closed state and a slide state. 閉状態とスライド状態の携帯電話機の説明図。Explanatory drawing of the mobile phone of a closed state and a slide state. 閉状態(0度)と、回動途中状態(45度)と、全開状態(165度)とを説明する説明図。Explanatory drawing explaining a closed state (0 degree | times), a rotation middle state (45 degree | times), and a fully open state (165 degree | times).

符号の説明Explanation of symbols

1…携帯電話機、2…下筐体、2b…下筐体側面、3…連結筐体、4…上筐体、4b…凹部、4f…上筐体側面、10…ヒンジ機構、30…回動バネ、35…押圧バネ、40…下筐体用カムパイプ、41…パイプ部、45…開状態係止斜面、46…回動許容平面、47…回動補助斜面、48…閉状態吸い込み係止斜面、51…ボタンキャップ、60…上筐体用カム軸、63…枢軸、65…カム突起、51b…平面部分、D…表示装置、I…入力装置 DESCRIPTION OF SYMBOLS 1 ... Mobile phone, 2 ... Lower housing | casing, 2b ... Lower housing | casing side surface, 3 ... Connection housing | casing, 4 ... Upper housing | casing, 4b ... Recessed part, 4f ... Upper housing | casing side surface, 10 ... Hinge mechanism, 30 ... Turning Spring, 35 ... Pressing spring, 40 ... Cam pipe for lower housing, 41 ... Pipe part, 45 ... Open state locking slope, 46 ... Rotation-permissible plane, 47 ... Rotation assist slope, 48 ... Closed state suction locking slope 51 ... Button cap, 60 ... Upper housing cam shaft, 63 ... Pivot, 65 ... Cam projection, 51b ... Planar portion, D ... Display device, I ... Input device

Claims (4)

携帯端末を構成する第1筐体と第2筐体とを、第2筐体に対する第1筐体の枢動により折りたたみ開閉可能に接続するヒンジ装置であって、
前記第1筐体に固定される第1カムと、
前記第2筐体に固定される第2カムと、
前記第1カムおよび前記第2カムを同一の回転軸で相対回転可能に連結する連結部と、
前記第1カムと前記第2カムの少なくとも一方を前記回転軸の軸心方向へ向けて付勢する押圧付勢手段と、
前記第1カムと前記第2カムを相対回転させる回転付勢手段と、
前記第1カムと前記第2カムの互いの対向部に設けられ、前記第1カムと前記第2カムが前記押圧付勢手段で押圧されているときに係合して前記回転付勢手段による回転を係止し、かつ、前記押圧付勢手段の付勢力に逆らって逆方向に押圧されたときに回転係止を解除する係合手段と、
前記第2カム及び前記第2筐体に対して前記1カムとともに軸心方向に摺動可能な前記第1筐体に設けられ、外部操作による前記逆方向の押圧力を前記第1筐体に伝達する押圧操作手段とを備え、
該押圧操作手段を、前記第1筐体に形成された前記軸心方向の凹部に、前記第1筐体に対して回転自在に装着した
ヒンジ装置。
A hinge device that connects a first housing and a second housing constituting a mobile terminal so as to be foldable by a pivot of the first housing with respect to the second housing,
A first cam fixed to the first housing;
A second cam fixed to the second housing;
A connecting portion for connecting the first cam and the second cam so as to be relatively rotatable on the same rotation shaft;
Pressure urging means for urging at least one of the first cam and the second cam toward the axial direction of the rotation shaft;
Rotation urging means for relatively rotating the first cam and the second cam;
It is provided in the mutually opposing part of the said 1st cam and the said 2nd cam, it engages when the said 1st cam and the said 2nd cam are pressed by the said press biasing means, and the said rotary biasing means Engagement means for locking the rotation and releasing the rotation lock when pressed in the opposite direction against the biasing force of the pressing biasing means;
The first cam is provided in the first casing that is slidable in the axial direction together with the first cam with respect to the second cam and the second casing, and the pressing force in the reverse direction by an external operation is applied to the first casing. A pressing operation means for transmitting,
A hinge device in which the pressing operation means is rotatably mounted to the first housing in a recess in the axial direction formed in the first housing.
前記押圧操作手段を、
前記逆方向の押圧力が付与されていない状態において、前記第2筐体側面に対して面一となる面一形状に形成した
請求項1記載のヒンジ装置。
The pressing operation means;
The hinge device according to claim 1, wherein the hinge device is formed to be flush with the side surface of the second housing in a state where the pressing force in the reverse direction is not applied.
前記押圧操作手段の前記第2筐体との対向面を、
前記第2筐体と面接触する面接触形状に形成した
請求項1又は2記載のヒンジ装置。
The surface of the pressing operation means facing the second housing is
The hinge device according to claim 1, wherein the hinge device is formed in a surface contact shape in surface contact with the second housing.
請求項1、2または3記載のヒンジ装置で接続した前記第1筐体と前記第2筐体の少なくとも一方に、画像を表示する表示手段と入力操作を許容する入力手段の少なくとも一方を備えた
携帯端末。
At least one of the first casing and the second casing connected by the hinge device according to claim 1, 2 or 3 is provided with at least one of display means for displaying an image and input means for allowing an input operation. Mobile device.
JP2007313204A 2007-12-04 2007-12-04 Hinge device and mobile terminal Pending JP2009138785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JP2009138785A true JP2009138785A (en) 2009-06-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2009138785A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012080466A (en) * 2010-10-05 2012-04-19 Fujitsu Ltd Portable device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012080466A (en) * 2010-10-05 2012-04-19 Fujitsu Ltd Portable device

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