JP6016356B2 - Electronics - Google Patents

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JP6016356B2
JP6016356B2 JP2011279387A JP2011279387A JP6016356B2 JP 6016356 B2 JP6016356 B2 JP 6016356B2 JP 2011279387 A JP2011279387 A JP 2011279387A JP 2011279387 A JP2011279387 A JP 2011279387A JP 6016356 B2 JP6016356 B2 JP 6016356B2
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support member
fixing member
power switch
rotation operation
dial
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JP2013130668A (en
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世一 荒川
世一 荒川
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Canon Inc
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Canon Inc
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Description

本発明は、回転操作部材を備えた電子機器に関する。   The present invention relates to an electronic device including a rotation operation member.

従来より、2つのダイヤル操作部材を有するダイヤルスイッチが知られている。従来の構成について図8、図9を用いて説明する。図8は従来の電子機器の上面図、図9(a)は図8におけるA′−A′断面図であり、図9(b)は図9(a)の点線で囲んだ部分の詳細図である。第1のダイヤル操作部材は撮影モードの変更が可能なモードダイヤル200であり、第2のダイヤル操作部材は電子機器の電源スイッチ操作部300である。モードダイヤル200、電源スイッチ操作部300は、上カバー500に取り付けられたダイヤル支持部材700に回動可能に組みつけられ、同軸で回動可能となっている。ダイヤル支持部材700にモードダイヤル200、電源スイッチ操作部300の回転規制を設けることで、電子機器の小型化、構成の簡略化が可能となる。例えば、特許文献1は、2段構造の回転操作部材の操作性を向上させ、且つ誤動作を防止することが出来るダイヤルスイッチを提案している。   Conventionally, a dial switch having two dial operation members is known. A conventional configuration will be described with reference to FIGS. 8 is a top view of a conventional electronic device, FIG. 9A is a cross-sectional view taken along line A'-A 'in FIG. 8, and FIG. 9B is a detailed view of a portion surrounded by a dotted line in FIG. It is. The first dial operation member is a mode dial 200 capable of changing the photographing mode, and the second dial operation member is a power switch operation unit 300 of the electronic apparatus. The mode dial 200 and the power switch operation unit 300 are rotatably mounted on a dial support member 700 attached to the upper cover 500, and can rotate coaxially. By providing the dial support member 700 with the rotation restriction of the mode dial 200 and the power switch operation unit 300, the electronic device can be reduced in size and the configuration can be simplified. For example, Patent Document 1 proposes a dial switch that can improve the operability of a two-stage rotary operation member and prevent malfunction.

特開平9−50076号公報Japanese Patent Laid-Open No. 9-50076

電源スイッチ操作部300の位相検知は、電源スイッチ位相検知部310に取り付けられた電源スイッチ位相接片190が位相基板900上を回動することによって行われる。このような構成においては、電源スイッチ位相検知部310が上カバー500とダイヤル支持部材700を貫通しなければならない。このため、図9(b)の隙間210、220、230、240、250がカメラ内部への水の侵入経路となってしまう。電源スイッチ操作部300は上カバー500およびダイヤル支持部材700に対して回動するため、隙間210、220、230、240、250を無くすことは不可能である。   The phase detection of the power switch operation unit 300 is performed when the power switch phase contact piece 190 attached to the power switch phase detection unit 310 rotates on the phase substrate 900. In such a configuration, the power switch phase detection unit 310 must pass through the upper cover 500 and the dial support member 700. For this reason, the gaps 210, 220, 230, 240, and 250 in FIG. 9B become water intrusion paths into the camera. Since the power switch operation unit 300 rotates with respect to the upper cover 500 and the dial support member 700, it is impossible to eliminate the gaps 210, 220, 230, 240, and 250.

そこで、本発明は簡単な構成で水滴などが侵入しにくい構造の回転操作部材を備えた電子機器を提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic device including a rotation operation member having a simple structure and having a structure in which water droplets or the like do not easily enter.

上記目的を達成するために、本発明の一側面としての電子機器は、回転操作部材と、前記回転操作部材に固定されるとともに、接片部材が固定される固定部材と、前記接片部材が接触する配線パターンが形成される配線基板と、一方面側で前記回転操作部材を回動可能に支持し、他方面側で前記固定部材を回動可能に支持するとともに、他方面側で前記配線基板を支持する支持部材と、を有し、前記固定部材は、高摺動性の樹脂材料で形成され、前記支持部材には、前記一方面と前記他方面とを貫通する貫通孔が形成され、前記固定部材には、前記回転操作部材がどのような回動位置となっても、前記貫通孔を塞ぐ閉鎖部が形成され、前記固定部材を前記支持部材の凹部に設けることでクランク形状が形成され、前記クランク形状を構成する、前記支持部材と前記回転操作部材との隙間、および前記支持部材と前記固定部材との隙間はそれぞれ、前記支持部材の貫通孔と前記回転操作部材との隙間、および前記支持部材の貫通孔と前記固定部材との隙間に設けられていることを特徴とする。 In order to achieve the above object, an electronic apparatus according to an aspect of the present invention includes a rotation operation member, a fixing member fixed to the rotation operation member, and a contact member fixed to the rotation operation member. A wiring board on which a contact wiring pattern is formed, and the rotation operation member is rotatably supported on one side, the fixing member is rotatably supported on the other side, and the wiring is provided on the other side. It comprises a support member for supporting the substrate, wherein the fixing member is formed in a high sliding resistance of the tree fat material, wherein the support member has a through hole penetrating said other surface and said one surface is formed The fixing member is formed with a closing portion that closes the through hole regardless of the rotational position of the rotation operation member, and the fixing member is provided in the recess of the support member to form a crank shape. Forming the crank shape The clearance between the support member and the rotation operation member and the clearance between the support member and the fixing member are respectively the clearance between the through hole of the support member and the rotation operation member, and the through hole of the support member and the It is provided in a gap with the fixing member .

本発明によれば、簡単な構成で水滴などが侵入しにくい構造の回転操作部材を備えた電子機器を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the electronic device provided with the rotation operation member of a structure where a water droplet etc. cannot enter easily with a simple structure can be provided.

本発明の電子機器の実施形態の一例であるデジタル一眼レフカメラの背面斜視図である。It is a back perspective view of a digital single-lens reflex camera which is an example of an embodiment of electronic equipment of the present invention. 本発明のデジタル一眼レフカメラの上面図である。It is a top view of the digital single-lens reflex camera of the present invention. 本発明のデジタル一眼レフカメラの主要分解斜視図である。It is a main exploded perspective view of the digital single-lens reflex camera of the present invention. 固定部材の組み付け方法を示す図である。It is a figure which shows the assembling method of a fixing member. 図3の分解斜視図に示す全ての部品が組み付けられた状態をデジタル一眼レフカメラの内側より示した図である。It is the figure which showed the state in which all the components shown in the exploded perspective view of FIG. 3 were assembled | attached from the inside of the digital single-lens reflex camera. 図2のA-A線に沿う断面図である。It is sectional drawing which follows the AA line of FIG. 位相基板の積層構成を示す図である。It is a figure which shows the laminated structure of a phase board. 従来の電子機器の上面図である。It is a top view of the conventional electronic device. 従来の電子機器における2段構造の回転操作部材の構成を示す断面図である。It is sectional drawing which shows the structure of the rotation operation member of the two-stage structure in the conventional electronic device.

以下に、本発明の好ましい実施の形態を、添付の図面に基づいて詳細に説明する。   Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

図1は、本発明の電子機器の実施形態の一例であるデジタル一眼レフカメラの背面斜視図である。   FIG. 1 is a rear perspective view of a digital single-lens reflex camera as an example of an embodiment of an electronic apparatus according to the present invention.

50はデジタル一眼レフカメラであり、2段構造の回転操作部材を備えている。1はモードダイヤル化粧板、2は第1の回転操作部材であるモードダイヤル、3は第2の回転操作部材である電子機器の電源スイッチ操作部である。   Reference numeral 50 denotes a digital single-lens reflex camera, which includes a rotary operation member having a two-stage structure. Reference numeral 1 denotes a mode dial decorative plate, 2 a mode dial which is a first rotation operation member, and 3 a power switch operation unit of an electronic apparatus which is a second rotation operation member.

図2は本発明のデジタル一眼レフカメラの上面図、図3は本発明のデジタル一眼レフカメラの主要分解斜視図、図4は固定部材の組み付け方法を示す図である。図5は、図3の分解斜視図に示す全ての部品が組み付けられた状態をデジタル一眼レフカメラ50の内側より示した図である。   2 is a top view of the digital single-lens reflex camera of the present invention, FIG. 3 is a main exploded perspective view of the digital single-lens reflex camera of the present invention, and FIG. 4 is a view showing a method of assembling the fixing member. FIG. 5 is a view showing a state in which all the components shown in the exploded perspective view of FIG. 3 are assembled from the inside of the digital single-lens reflex camera 50.

4はクリック板ばね、5はデジタル一眼レフカメラ50の外装部材の一部である上カバー、6は防滴ゴムである。モードダイヤル2と電源スイッチ操作部3は、上カバー5に対して回動可能に取り付けられている。7は、モードダイヤル2と電源スイッチ操作部3を同軸上に回動可能に支持するダイヤル支持部材である。8は両面テープ、9はモードダイヤル2と電源スイッチ操作部3の両方の回動位置を検出する配線パターンが形成される位相基板(配線基板)である。ダイヤル支持部材7の一方面側にて、モードダイヤル2および電源スイッチ操作部3は、それぞれ回動可能に支持される。ダイヤル支持部材7の他方面側にて、位相基板9は支持される。10はクリックボール、11はモードダイヤルクリックばね、12はモードダイヤルクリックばねおさえ板、13はビス、14は位相基板9に形成される配線パターンと接触するモードダイヤル位相接片、15はモードダイヤルクリック板、16、17はビスである。18は固定部材、19は位相基板9に形成される配線パターンと接触する電源スイッチ位相接片、20は電源スイッチ位相接片おさえ板、21はビスである。71はダイヤル支持部材7の凹部、72はダイヤル支持部材7の一方面と他方面とを貫通する貫通孔である。凹部71は貫通孔72の周囲に形成される。   4 is a click leaf spring, 5 is an upper cover which is a part of an exterior member of the digital single lens reflex camera 50, and 6 is a drip-proof rubber. The mode dial 2 and the power switch operation unit 3 are attached to the upper cover 5 so as to be rotatable. Reference numeral 7 denotes a dial support member that supports the mode dial 2 and the power switch operation unit 3 so as to be rotatable coaxially. 8 is a double-sided tape, and 9 is a phase substrate (wiring substrate) on which a wiring pattern for detecting the rotational positions of both the mode dial 2 and the power switch operation unit 3 is formed. On one side of the dial support member 7, the mode dial 2 and the power switch operation unit 3 are each supported rotatably. The phase substrate 9 is supported on the other surface side of the dial support member 7. 10 is a click ball, 11 is a mode dial click spring, 12 is a mode dial click spring holding plate, 13 is a screw, 14 is a mode dial phase contact piece that contacts a wiring pattern formed on the phase substrate 9, and 15 is a mode dial. The click plates 16 and 17 are screws. Reference numeral 18 denotes a fixing member, 19 denotes a power switch phase contact piece that contacts a wiring pattern formed on the phase substrate 9, 20 denotes a power switch phase contact piece holding plate, and 21 denotes a screw. 71 is a recess of the dial support member 7, and 72 is a through-hole penetrating one side and the other side of the dial support member 7. The recess 71 is formed around the through hole 72.

各部品の組み付けについて説明する。まず、図4(a)に示すように両面テープ8をダイヤル支持部材7の他方面側に貼り付ける。次に、図4(b)に示すように固定部材18をダイヤル支持部材7の他方面側に配置する。これによって、固定部材18が貫通孔72を塞ぐ。つまり、固定部材18に形成される電源スイッチ位相接片19が固定される固定部分18aと、固定部材18に形成される閉鎖部18bによって、貫通孔72が塞がれる。このとき、固定部材18の閉鎖部18bは凹部71に収容される、その上から位相基板9を組み付けると図4(c)に示す状態となる。位相基板9には、固定部材18の外形より小さな孔部9aが形成されており、位相基板9は両面テープ8でダイヤル支持部材7に固定されるので、固定部材18は、ダイヤル支持部材7と位相基板9との間に挟まれて保持される。なお、図4(c)は電源スイッチ操作部3がONの位置を示し、図4(d)は電源スイッチ操作部3がOFFの位置を示す。位相基板9の孔部9aは、電源スイッチ操作部3がONの位置であっても、OFFの位置であっても、固定部分18aの移動範囲を妨げない大きさとなっている。このようにして、ダイヤル支持部材7と位相基板9によって作られた空間に固定部材18が回動可能に組み付けられる。図4(c)および(d)に示すように、電源スイッチ操作部3がONの位置であっても、OFFの位置であっても、ダイヤル支持部材7の貫通孔72は、固定部材18の固定部分18aと閉鎖部18bによって塞がれる。これによって、ダイヤル支持部材7の貫通孔72から位相基板9に、水などが侵入することを防止することができる。   The assembly of each part will be described. First, as shown in FIG. 4A, the double-sided tape 8 is attached to the other side of the dial support member 7. Next, as shown in FIG. 4B, the fixing member 18 is disposed on the other surface side of the dial support member 7. As a result, the fixing member 18 closes the through hole 72. That is, the through-hole 72 is closed by the fixing portion 18 a to which the power switch phase contact piece 19 formed on the fixing member 18 is fixed and the closing portion 18 b formed on the fixing member 18. At this time, the closing portion 18b of the fixing member 18 is accommodated in the recess 71. When the phase substrate 9 is assembled from above, the state shown in FIG. The phase board 9 is formed with a hole 9a smaller than the outer shape of the fixing member 18, and the phase board 9 is fixed to the dial support member 7 with the double-sided tape 8. It is sandwiched and held between the phase substrate 9. 4C shows a position where the power switch operation unit 3 is ON, and FIG. 4D shows a position where the power switch operation unit 3 is OFF. The hole 9a of the phase substrate 9 has a size that does not hinder the moving range of the fixed portion 18a regardless of whether the power switch operation unit 3 is in the ON position or the OFF position. In this way, the fixing member 18 is rotatably assembled in the space created by the dial support member 7 and the phase substrate 9. As shown in FIGS. 4C and 4D, the through hole 72 of the dial support member 7 is formed on the fixing member 18 regardless of whether the power switch operation unit 3 is in the ON position or the OFF position. It is closed by the fixed portion 18a and the closing portion 18b. As a result, water or the like can be prevented from entering the phase substrate 9 from the through hole 72 of the dial support member 7.

次に、防滴ゴム6を上カバー5に組み付け、防滴ゴム6を圧縮しながらダイヤル支持部材7をビス17で上カバー5に対して締結する。防滴ゴム6は上カバー5とダイヤル支持部材7との隙間を塞ぐ役割を持ち、本実施形態においてはシリコンラバーで硬度60度としているが、特にシリコンラバーに限定されず、硬度も60度でなくてもよい。   Next, the drip-proof rubber 6 is assembled to the upper cover 5, and the dial support member 7 is fastened to the upper cover 5 with screws 17 while compressing the drip-proof rubber 6. The drip-proof rubber 6 has a role of closing the gap between the upper cover 5 and the dial support member 7. In this embodiment, the silicon rubber has a hardness of 60 degrees, but is not limited to silicon rubber, and the hardness is 60 degrees. It does not have to be.

続いて、電源スイッチ操作部3の不図示の凹みに対して、クリック板ばね4を組み付ける。クリック板ばね4は電源スイッチ操作部3をONの位置、あるいはOFFの位置に安定させ、電源スイッチ操作部3の位相を正確に検知する役割を持つ。クリック板ばね4を組み付けた電源スイッチ操作部3を上カバー5に組み付けられたダイヤル支持部材7に組み付ける。電源スイッチ操作部3の位置と固定部材18の位置とを合わせた後、固定部材18の固定部分18aに電源スイッチ位相接片19および電源スイッチ位相接片おさえ板20を組み付ける。この状態にて、電源スイッチ操作部3、固定部材18、電源スイッチ位相接片19および電源スイッチ位相接片おさえ板20をビス21で固定する。ビス21は、電源スイッチ位相接片おさえ板20、電源スイッチ位相接片19および固定部材18を挿通して、電源スイッチ操作部3に締結される。   Subsequently, the click leaf spring 4 is assembled to the not-shown recess of the power switch operation unit 3. The click leaf spring 4 serves to stabilize the power switch operation unit 3 at the ON position or the OFF position and accurately detect the phase of the power switch operation unit 3. The power switch operation unit 3 with the click plate spring 4 assembled is assembled to the dial support member 7 assembled to the upper cover 5. After aligning the position of the power switch operation unit 3 and the position of the fixing member 18, the power switch phase contact piece 19 and the power switch phase contact piece holding plate 20 are assembled to the fixing portion 18 a of the fixing member 18. In this state, the power switch operation unit 3, the fixing member 18, the power switch phase contact piece 19, and the power switch phase contact piece holding plate 20 are fixed with screws 21. The screw 21 is inserted into the power switch phase contact piece holding plate 20, the power switch phase contact piece 19, and the fixing member 18, and is fastened to the power switch operation unit 3.

次に、モードダイヤル化粧板1を取り付けたモードダイヤル2をダイヤル支持部材7に組み付け、モードダイヤル位相接片14をかしめたモードダイヤルクリック板15をビス16によってモードダイヤル2に締結する。続いて、モードダイヤルクリックばねおさえ板12をビス13によってダイヤル支持部材7に締結し、モードダイヤルクリックばねおさえ板12の中央孔より、クリックボール10、モードダイヤルクリックばね11を組み付ける。モードダイヤルクリックばね11は、モードダイヤル2の位相を各ポジションに安定させ、正確に位相を検出させる。   Next, the mode dial 2 to which the mode dial decorative plate 1 is attached is assembled to the dial support member 7, and the mode dial click plate 15 with the mode dial phase contact piece 14 crimped is fastened to the mode dial 2 with screws 16. Subsequently, the mode dial click spring holding plate 12 is fastened to the dial support member 7 with screws 13, and the click ball 10 and the mode dial click spring 11 are assembled from the center hole of the mode dial click spring holding plate 12. The mode dial click spring 11 stabilizes the phase of the mode dial 2 at each position, and accurately detects the phase.

図6(a)は、図2のA-A線に沿う断面図であり、図6(b)は図6(a)の点線で囲んだ部分の詳細図である。デジタル一眼レフカメラ50が屋外などにおいて雨などにさらされた場合、従来構成においては、前述したように図9に示す隙間210、220、230、240、250を順に水滴が通過し、電子機器内部に水滴が侵入してしまう。一方、本発明の実施形態に係る2段構造の回転操作部材では、前述したように固定部材18を凹部71に設けている。このため、図6(b)に示す隙間110、120、130、140、150を通過して水滴が侵入するものの、水滴は固定部材18に突き当たり、隙間160、170、180をクランクして通過しなければデジタル一眼レフカメラ50内部には侵入しない。本実施形態において固定部材18はPOMで形成されており、摺動性を良くしている。そのため、隙間160、170、180は固定部材18がダイヤル支持部材7と摺動するために必要最低限の隙間とすることができ、水滴が隙間160、170、180を通過しにくい構造となっている。なお、固定部材18を硬質ゴムにすることや、隙間160、170、180をゼロにしてしまうと、著しく摩擦が大きくなることから電源スイッチ操作部3の操作性を損ねてしまう恐れがある。   6A is a cross-sectional view taken along line AA in FIG. 2, and FIG. 6B is a detailed view of a portion surrounded by a dotted line in FIG. 6A. When the digital single lens reflex camera 50 is exposed to rain or the like outdoors, in the conventional configuration, as described above, water droplets sequentially pass through the gaps 210, 220, 230, 240, and 250 shown in FIG. Drops of water will invade. On the other hand, in the two-stage rotary operation member according to the embodiment of the present invention, the fixing member 18 is provided in the recess 71 as described above. For this reason, although water droplets enter through the gaps 110, 120, 130, 140, and 150 shown in FIG. Otherwise, the digital SLR camera 50 does not enter. In the present embodiment, the fixing member 18 is made of POM and has improved slidability. Therefore, the gaps 160, 170, and 180 can be set to the minimum necessary for the fixing member 18 to slide with the dial support member 7, and water droplets do not easily pass through the gaps 160, 170, and 180. Yes. Note that if the fixing member 18 is made of hard rubber or the gaps 160, 170, 180 are made zero, the friction is significantly increased, which may impair the operability of the power switch operation unit 3.

また、図4(c)、(d)に示すように、位相基板9によって、固定部材18の外周は覆い隠されているが、図7に示すように位相基板9には補強部材91を積層しているため、両面テープ8で接着しきれない範囲も平面性を保っている。よって、隙間180を最小限に保つことができる。   4 (c) and 4 (d), the outer periphery of the fixing member 18 is obscured by the phase substrate 9, but a reinforcing member 91 is laminated on the phase substrate 9 as shown in FIG. Therefore, the flatness is maintained even in the area where the double-sided tape 8 cannot be bonded. Therefore, the gap 180 can be kept to a minimum.

また、隙間160、170、180に粘性の高いグリス等の潤滑剤を充填することも、さらに防滴性能を上げるために有効である。   In addition, filling the gaps 160, 170, and 180 with a lubricant such as grease having high viscosity is also effective for further improving the drip-proof performance.

本実施の形態によれば、従来技術の構成に対して部品点数の追加を最小限に抑え、簡単な構成で2段構造の回転操作部材の防滴性能を高めることができる。   According to the present embodiment, the addition of the number of parts can be minimized with respect to the configuration of the prior art, and the drip-proof performance of the rotary operation member having a two-stage structure can be enhanced with a simple configuration.

以上、本発明の好ましい実施形態について説明したが、本発明はこれらの実施形態に限定されず、その要旨の範囲内で種々の変形及び変更が可能である。   As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to these embodiment, A various deformation | transformation and change are possible within the range of the summary.

2 モードダイヤル
3 電源スイッチ操作部
7 ダイヤル支持部材
9 位相基板
18 固定部材
18b 閉鎖部
72 貫通孔
2 Mode dial 3 Power switch operation part 7 Dial support member 9 Phase substrate 18 Fixing member 18b Closure part 72 Through hole

Claims (4)

回転操作部材と、
前記回転操作部材に固定されるとともに、接片部材が固定される固定部材と、
前記接片部材が接触する配線パターンが形成される配線基板と、
一方面側で前記回転操作部材を回動可能に支持し、他方面側で前記固定部材を回動可能に支持するとともに、他方面側で前記配線基板を支持する支持部材と、を有し、
前記固定部材は、高摺動性の樹脂材料で形成され、
前記支持部材には、前記一方面と前記他方面とを貫通する貫通孔が形成され、
前記固定部材には、前記回転操作部材がどのような回動位置となっても、前記貫通孔を塞ぐ閉鎖部が形成され、
前記固定部材を前記支持部材の凹部に設けることでクランク形状が形成され、
前記クランク形状を構成する、前記支持部材と前記回転操作部材との隙間、および前記支持部材と前記固定部材との隙間はそれぞれ、前記支持部材の貫通孔と前記回転操作部材との隙間、および前記支持部材の貫通孔と前記固定部材との隙間に設けられていることを特徴とする電子機器。
A rotation operation member;
A fixing member fixed to the rotation operation member and a contact piece member fixed;
A wiring board on which a wiring pattern that contacts the contact piece member is formed;
A support member that rotatably supports the rotation operation member on one side, and rotatably supports the fixing member on the other side; and a support member that supports the wiring board on the other side.
The fixing member is formed in a high sliding resistance of the tree fat material,
The support member is formed with a through-hole penetrating the one surface and the other surface,
The fixing member is formed with a closing portion that closes the through hole regardless of the rotation position of the rotation operation member.
A crank shape is formed by providing the fixing member in the recess of the support member,
The clearance between the support member and the rotation operation member and the clearance between the support member and the fixing member, which constitute the crank shape, are respectively the clearance between the through hole of the support member and the rotation operation member, and the An electronic apparatus is provided in a gap between a through hole of a support member and the fixing member .
前記固定部材は、POM樹脂で形成されており、前記支持部材と前記配線基板との間に配置されることを特徴とする請求項1に記載の電子機器。   The electronic device according to claim 1, wherein the fixing member is formed of POM resin and is disposed between the support member and the wiring board. 前記支持部材には、前記貫通孔の周囲に前記閉鎖部を収容する凹部が形成されることを特徴とする請求項2に記載の電子機器。   The electronic device according to claim 2, wherein the support member is formed with a recess that accommodates the closing portion around the through hole. 前記凹部と前記閉鎖部との隙間に潤滑剤が充填されることを特徴とする請求項3に記載の電子機器。   The electronic device according to claim 3, wherein a lubricant is filled in a gap between the concave portion and the closing portion.
JP2011279387A 2011-12-21 2011-12-21 Electronics Expired - Fee Related JP6016356B2 (en)

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