JP2009146730A - Mounting structure for push knob - Google Patents

Mounting structure for push knob Download PDF

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Publication number
JP2009146730A
JP2009146730A JP2007322841A JP2007322841A JP2009146730A JP 2009146730 A JP2009146730 A JP 2009146730A JP 2007322841 A JP2007322841 A JP 2007322841A JP 2007322841 A JP2007322841 A JP 2007322841A JP 2009146730 A JP2009146730 A JP 2009146730A
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push knob
panel
flange
head
mounting structure
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JP2007322841A
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Japanese (ja)
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Hisayuki Fukunaga
寿行 福永
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Kenwood KK
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Kenwood KK
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Priority to JP2007322841A priority Critical patent/JP2009146730A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure for a push knob 3 which can reduce the number of components and assembling man-hours and does not generate crashing noises between the push knob and a panel. <P>SOLUTION: In the mounting structure for a push knob 3 wherein a switch operation boss 3c is formed at a lower surface of a head section 3a and a flange 3b is formed in the vicinity of a lower section of the head section 3a and the head section 3a is urged by a membrane sheet 4 so as to make the head section 3a stick out from a hole 1a of a panel 1, a cylindrical section 4b surrounding in the vicinity of the flange 3b of the push knob 3 is arranged on the membrane sheet 4, and a plate-like section 4c formed at an upper end of the cylindrical section 4b is sandwiched by the flange 3b of the knob 3 and an edge lower surface of the hole 1a of the panel 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は電子機器に係わり、特に、そのプッシュつまみの取付構造に関する。   The present invention relates to an electronic device, and more particularly to a push knob mounting structure.

従来のプッシュつまみの取付構造の例を図5および図6により説明する。図5および図6に示す1は操作部前面を覆う樹脂製のパネルであり、樹脂製のプッシュつまみ3の頭部3aを突出させる穴1aが形成されている。プッシュつまみ3の頭部3aの下部周囲にはフランジ3bが設けられ、頭部3aの下面には下方に延びるスイッチ作動ボス3cが形成されている。   An example of a conventional push knob mounting structure will be described with reference to FIGS. Reference numeral 1 shown in FIGS. 5 and 6 denotes a resin panel that covers the front surface of the operation unit, and has a hole 1a through which the head 3a of the resin push knob 3 protrudes. A flange 3b is provided around the lower portion of the head portion 3a of the push knob 3, and a switch operation boss 3c extending downward is formed on the lower surface of the head portion 3a.

パネル1内部には図示していないシャーシにプリント基板2とゴム製のメンブレンシート7を重ねて固定している。メンブレンシート7の椀形部7aの内面にはプリント基板2に形成された対向する2つのランドを導通させる導電膜が貼着されている。椀形部7aと2つのランドでメンブレンスイッチが構成されている。   Inside the panel 1, a printed circuit board 2 and a rubber membrane sheet 7 are overlapped and fixed to a chassis (not shown). A conductive film that connects two opposing lands formed on the printed circuit board 2 is attached to the inner surface of the bowl-shaped portion 7 a of the membrane sheet 7. A membrane switch is constituted by the bowl-shaped portion 7a and two lands.

椀形部7aの自然状態は上方に凸形状であり、導電膜は2つのランドから離れメンブレンスイッチはオフとなっている。また、椀形部7aはプッシュつまみ3のスイッチ作動ボス3cを上方に押しており、図5に示すように、プッシュつまみ3のフランジ3bはパネル1の穴1aの周囲下面に当接部Aで圧接されている。   The natural state of the bowl-shaped portion 7a is convex upward, the conductive film is separated from the two lands, and the membrane switch is off. Further, the bowl-shaped portion 7a pushes the switch operating boss 3c of the push knob 3 upward. As shown in FIG. 5, the flange 3b of the push knob 3 is pressed against the lower surface around the hole 1a of the panel 1 by the contact portion A. Has been.

図5に示す状態からプッシュつまみ3の頭部3aを指で押し下げると、図6に示すように、メンブレンシート7の椀形部7aが潰されて導電膜は2つのランドを導通させてメンブレンスイッチはオンとなる。そして、プッシュつまみ3のフランジ3bはパネル1の穴1aの周囲下面から離れる。プッシュつまみ3の頭部3aから指を放すと、プッシュつまみ3はメンブレンシートの弾力により押し上げられ、プッシュつまみ3は図5に示す位置に戻る。   When the head 3a of the push knob 3 is pushed down with a finger from the state shown in FIG. 5, as shown in FIG. 6, the saddle-shaped portion 7a of the membrane sheet 7 is crushed and the conductive film conducts the two lands and the membrane switch Is turned on. The flange 3 b of the push knob 3 is separated from the lower peripheral surface of the hole 1 a of the panel 1. When the finger is released from the head 3a of the push knob 3, the push knob 3 is pushed up by the elasticity of the membrane sheet, and the push knob 3 returns to the position shown in FIG.

上記したプッシュつまみの取付構造ではプッシュつまみ3が上昇してパネル1と当接するときに衝突音が発生するという問題があった。また、図6示すプッシュつまみ3を押し込んだ状態でプッシュつまみ3とパネル1の穴1aの間の隙間からごみが矢印で示すように機器内部に入り込むという問題もあった。   The push knob mounting structure described above has a problem that a collision sound is generated when the push knob 3 is lifted and comes into contact with the panel 1. Further, there is also a problem that dust enters the apparatus as indicated by an arrow from the gap between the push knob 3 and the hole 1a of the panel 1 in a state where the push knob 3 shown in FIG. 6 is pushed.

実開平7−16337号公報に開示された押し釦スイッチは、押し釦スイッチのフランジとケース(本願でいうパネルに相当する)との間に不織布を介装している。この押し釦スイッチの取付構造では押し釦スイッチがケースに衝突するときの衝突音は発生しないが、不織布を位置ずれしないように張り付ける等の手間のかかる工程が必要となり、部品点数や組み立て工数が増大する。また、押し釦スイッチとケースとの間からごみが装置内に入り込むという問題があった。
実開平7−16337号公報、段落0012、図1
The push button switch disclosed in Japanese Utility Model Laid-Open No. 7-16337 has a non-woven fabric interposed between a flange of the push button switch and a case (corresponding to a panel in the present application). This push button switch mounting structure does not generate a collision sound when the push button switch collides with the case, but requires a time-consuming process such as pasting the nonwoven fabric so as not to shift its position. Increase. There is also a problem that dust enters the apparatus from between the push button switch and the case.
Japanese Utility Model Publication No. 7-16337, paragraph 0012, FIG.

この発明は上記した点に鑑みてなされたものであって、その目的とするところは、部品点数や組み立て工数が削減され、しかも、プッシュつまみとパネルとの衝突音が発生せず、さらに、プッシュつまみとパネルの穴との間の隙間からごみが装置内に入り込むことが防止されるプッシュつまみの取付構造を提供することにある。   The present invention has been made in view of the above points. The object of the present invention is to reduce the number of parts and the number of assembling steps, and further, the collision noise between the push knob and the panel does not occur, and the push An object of the present invention is to provide a push knob mounting structure in which dust is prevented from entering the apparatus through a gap between a knob and a hole in a panel.

この発明のプッシュつまみの取付構造は、頭部の下面にスイッチ作動ボスが形成され、頭部の下部周囲にフランジが形成され、前記頭部がパネルの穴から突出するように弾性部材で付勢されるプッシュつまみの取付構造において、前記プッシュつまみのフランジ周囲を囲む筒状部を前記弾性部材に設け、前記筒状部の上端に形成した板状部を前記プッシュつまみのフランジと前記パネルの穴の縁下面とで挟圧するものである。   According to the push knob mounting structure of the present invention, the switch operating boss is formed on the lower surface of the head, the flange is formed around the lower portion of the head, and the head is urged by an elastic member so as to protrude from the hole of the panel. In the mounting structure of the push knob, a cylindrical portion surrounding the periphery of the flange of the push knob is provided in the elastic member, and a plate-like portion formed at the upper end of the cylindrical portion is formed in the flange of the push knob and the hole of the panel. It is clamped with the lower surface of the edge.

また、この発明のプッシュつまみの取付構造は、頭部の下面にスイッチ作動ボスが形成され、頭部の下部周囲にフランジが形成され、前記頭部がパネルの穴から突出するように弾性部材で付勢されるプッシュつまみの取付構造において、前記プッシュつまみのフランジ周囲を囲む筒状部を前記弾性部材に設け、前記筒状部の上端がパネルの下面で押さえられ、前記筒状部の内面全周に突出形成されたリブを前記プッシュつまみのフランジと前記パネルの穴の縁に形成された凸部とで挟圧するものである。   Further, the push knob mounting structure of the present invention has a switch operating boss formed on the lower surface of the head, a flange formed around the lower portion of the head, and an elastic member so that the head protrudes from a hole in the panel. In the push knob mounting structure to be urged, a cylindrical portion surrounding the flange of the push knob is provided on the elastic member, and the upper end of the cylindrical portion is pressed by the lower surface of the panel, so that the entire inner surface of the cylindrical portion is The rib formed to protrude around the periphery is pinched by the flange of the push knob and the convex portion formed at the edge of the hole of the panel.

この発明のプッシュつまみの取付構造によれば、部品点数や組み立て工数が削減され、しかも、プッシュつまみとパネルとの衝突音が発生せず、さらに、プッシュつまみとパネルの穴との間の隙間がごみが装置内に入り込むことが防止される   According to the push knob mounting structure of the present invention, the number of parts and the number of assembling steps are reduced, the collision noise between the push knob and the panel is not generated, and the gap between the push knob and the panel hole is further reduced. Garbage is prevented from entering the device

図1はこの発明の実施例1であるプッシュつまみの取付構造を示す断面図、図2は同プッシュつまみの取付構造の他の状態を示す断面図である。図に示す示す1は操作部前面を覆う樹脂製のパネルであり、樹脂製のプッシュつまみ3の頭部3aを突出させる穴1aが形成されている。プッシュつまみ3の頭部3aの下部周囲にはフランジ3bが設けられ、頭部3aの下面には下方に延びるスイッチ作動ボス3cが形成されている。   1 is a cross-sectional view showing a push knob mounting structure according to Embodiment 1 of the present invention, and FIG. 2 is a cross-sectional view showing another state of the push knob mounting structure. 1 shown in the figure is a resin panel that covers the front surface of the operation unit, and is formed with a hole 1a through which the head 3a of the resin push knob 3 protrudes. A flange 3b is provided around the lower portion of the head portion 3a of the push knob 3, and a switch operation boss 3c extending downward is formed on the lower surface of the head portion 3a.

パネル1内部には図示していないシャーシにプリント基板2とゴム製のメンブレンシート4を重ねて固定している。メンブレンシート4の椀形部4aの内面にはプリント基板2に形成された対向する2つのランドを導通させる導電膜が貼着されている。椀形部4aと2つのランドでメンブレンスイッチが構成されている。   Inside the panel 1, a printed board 2 and a rubber membrane sheet 4 are overlapped and fixed to a chassis (not shown). A conductive film that connects two opposing lands formed on the printed circuit board 2 is attached to the inner surface of the bowl-shaped portion 4 a of the membrane sheet 4. A membrane switch is constituted by the bowl-shaped portion 4a and the two lands.

椀形部4aの自然状態は上方に凸形状であり、導電膜は2つのランドから離れメンブレンスイッチはオフとなっている。また、椀形部4aはプッシュつまみ3のスイッチ作動ボス3cを上方に押している。   The natural state of the bowl-shaped portion 4a is convex upward, the conductive film is separated from the two lands, and the membrane switch is off. Further, the bowl-shaped portion 4a pushes the switch operating boss 3c of the push knob 3 upward.

メンブレンシート4には上方に立ち上がるように、プッシュつまみ3のフランジ3bを囲む筒状部4bが形成され、筒状部4bの上端に内側に延びる板状部4cが形成されている。板状部4cはパネル1の穴1aの周囲下面に圧接されている。さらに、上記したようにメンブレンシート4の椀形部4aで付勢されたプッシュつまみ3のフランジ3bはメンブレンシート4の板状部4cに圧接されている。   The membrane sheet 4 is formed with a cylindrical part 4b surrounding the flange 3b of the push knob 3 so as to rise upward, and a plate-like part 4c extending inward is formed at the upper end of the cylindrical part 4b. The plate-like portion 4 c is pressed against the lower peripheral surface of the hole 1 a of the panel 1. Further, as described above, the flange 3 b of the push knob 3 urged by the bowl-shaped portion 4 a of the membrane sheet 4 is in pressure contact with the plate-like portion 4 c of the membrane sheet 4.

図1に示す状態からプッシュつまみ3の頭部3aを指で押し下げると、図2に示すように、メンブレンシート4の椀形部4aが潰されて導電膜は2つのランドを導通させてメンブレンスイッチはオンとなる。そして、プッシュつまみ3のフランジ3bはメンブレンシート4の板状部4cから離れる。この状態でもメンブレンシート4の板状部4cはパネル1の穴1aの周囲下面に圧接されているのでプッシュつまみ3とパネル1の穴1aの間の隙間からごみが機器内部に入り込むことが防止される。   When the head 3a of the push knob 3 is pushed down with a finger from the state shown in FIG. 1, as shown in FIG. 2, the bowl-shaped portion 4a of the membrane sheet 4 is crushed and the conductive film conducts the two lands and the membrane switch Is turned on. Then, the flange 3 b of the push knob 3 is separated from the plate-like portion 4 c of the membrane sheet 4. Even in this state, since the plate-like portion 4c of the membrane sheet 4 is pressed against the lower surface around the hole 1a of the panel 1, dust can be prevented from entering the inside of the device from the gap between the push knob 3 and the hole 1a of the panel 1. The

フッシュつまみ3の頭部3aから指を放すと、プッシュつまみ3はメンブレンシートの弾力により押し上げられ、プッシュつまみ3は図1に示す位置に戻る。このときプッシュつまみ3はゴム製のメンブレンシート4の板状部4cに衝突するが衝突音は発生しない。メンブレンシート4はゴム製であるので、成形後変形させて型から抜くことができるので、スライド型等を用いることなく安価に製造できる。そして、不織布等を介装させる必要がないため、部品点数および組み立て工数が削減される。   When the finger is released from the head 3a of the fish knob 3, the push knob 3 is pushed up by the elasticity of the membrane sheet, and the push knob 3 returns to the position shown in FIG. At this time, the push knob 3 collides with the plate-like portion 4c of the rubber membrane sheet 4, but no collision sound is generated. Since the membrane sheet 4 is made of rubber, it can be deformed after molding and removed from the mold, so that it can be manufactured at low cost without using a slide mold or the like. And since it is not necessary to interpose a nonwoven fabric etc., a number of parts and an assembly man-hour are reduced.

図3はこの発明の実施例2であるプッシュつまみの取付構造を示す断面図、図4は同プッシュつまみの取付構造の他の状態を示す断面図である。図に示す示す5は操作部前面を覆う樹脂製のパネルであり、樹脂製のプッシュつまみ3の頭部3aを突出させる穴5aが形成されている。プッシュつまみ3の頭部3aの下部周囲にはフランジ3bが設けられ、頭部3aの下面には下方に延びるスイッチ作動ボス3cが形成されている。   FIG. 3 is a sectional view showing a push knob mounting structure according to a second embodiment of the present invention, and FIG. 4 is a sectional view showing another state of the push knob mounting structure. 5 shown in the figure is a resin panel that covers the front surface of the operation unit, and is formed with a hole 5a through which the head 3a of the resin push knob 3 protrudes. A flange 3b is provided around the lower portion of the head portion 3a of the push knob 3, and a switch operation boss 3c extending downward is formed on the lower surface of the head portion 3a.

パネル5内部には図示していないシャーシにプリント基板2とゴム製のメンブレンシート6を重ねて固定している。メンブレンシート6の椀形部6aの内面にはプリント基板2に形成された対向する2つのランドを導通させる導電膜が貼着されている。椀形部6aと2つのランドでメンブレンスイッチが構成されている。   Inside the panel 5, a printed board 2 and a rubber membrane sheet 6 are overlapped and fixed to a chassis (not shown). A conductive film that connects two opposing lands formed on the printed circuit board 2 is attached to the inner surface of the bowl-shaped portion 6 a of the membrane sheet 6. A membrane switch is constituted by the bowl-shaped portion 6a and two lands.

椀形部6aの自然状態は上方に凸形状であり、導電膜は2つのランドから離れメンブレンスイッチはオフとなっている。また、椀形部6aはプッシュつまみ3のスイッチ作動ボス3cを上方に押している。   The natural state of the bowl-shaped portion 6a is convex upward, the conductive film is separated from the two lands, and the membrane switch is off. Further, the bowl-shaped portion 6a pushes the switch operating boss 3c of the push knob 3 upward.

メンブレンシート6には上方に立ち上がるように、プッシュつまみ3のフランジ3bを囲む筒状部6bが形成され、筒状部6bの上端はパネル5の内面に当接している。筒状部6bの上方内面には内側に延びる板状部6cが形成されている。板状部6cはパネル5の穴5aの周囲下面に形成されたループ状に延びる凸部5bに圧接されている。さらに、上記したようにメンブレンシート6の椀形部6aで付勢されたプッシュつまみ3のフランジ3bはメンブレンシート6の板状部6cに圧接されている。   The membrane sheet 6 is formed with a cylindrical portion 6 b surrounding the flange 3 b of the push knob 3 so as to rise upward, and the upper end of the cylindrical portion 6 b is in contact with the inner surface of the panel 5. A plate-like portion 6c extending inward is formed on the upper inner surface of the tubular portion 6b. The plate-like portion 6c is pressed against a convex portion 5b formed in a loop shape formed on the lower peripheral surface of the hole 5a of the panel 5. Furthermore, as described above, the flange 3 b of the push knob 3 urged by the bowl-shaped portion 6 a of the membrane sheet 6 is pressed against the plate-like portion 6 c of the membrane sheet 6.

図3に示す状態からプッシュつまみ3の頭部3aを指で押し下げると、図4に示すように、メンブレンシート6の椀形部6aが潰されて導電膜は2つのランドを導通させてメンブレンスイッチはオンとなる。そして、プッシュつまみ3のフランジ3bはメンブレンシート6の板状部6cから離れる。この状態でもメンブレンシート6の筒状部6bはパネル5の穴5aの周囲下面に圧接されているのでプッシュつまみ3とパネル5の穴5aの間の隙間からごみが機器内部に入り込むことが防止される。   When the head 3a of the push knob 3 is pushed down with a finger from the state shown in FIG. 3, as shown in FIG. 4, the bowl-shaped portion 6a of the membrane sheet 6 is crushed, and the conductive film conducts the two lands and the membrane switch Is turned on. Then, the flange 3 b of the push knob 3 is separated from the plate-like portion 6 c of the membrane sheet 6. Even in this state, the cylindrical portion 6b of the membrane sheet 6 is pressed against the lower peripheral surface of the hole 5a of the panel 5, so that dust can be prevented from entering the inside of the device from the gap between the push knob 3 and the hole 5a of the panel 5. The

フッシュつまみ3の頭部3aから指を放すと、プッシュつまみ3はメンブレンシート6の弾力により押し上げられ、プッシュつまみ3は図3に示す位置に戻る。このときプッシュつまみ3はゴム製のメンブレンシート6の板状部6cに衝突するが衝突音は発生しない。   When the finger is released from the head 3a of the fish knob 3, the push knob 3 is pushed up by the elasticity of the membrane sheet 6, and the push knob 3 returns to the position shown in FIG. At this time, the push knob 3 collides with the plate-like portion 6c of the rubber membrane sheet 6, but no collision sound is generated.

この実施例は実施例1と同様の効果を奏するが、さらに、筒状部6bは中心部が挟圧されるので曲げモーメントが発生せず、座屈しにくく、強い圧力を加えることができ、パネル5はメンブレンシート6の筒状部6bと板状部6cとの2か所でシールされるので、ごみ侵入効果が一層高められる。   Although this embodiment has the same effect as that of the first embodiment, the cylindrical portion 6b is pressed at the center portion, so that no bending moment is generated, it is difficult to buckle, and a strong pressure can be applied. Since 5 is sealed at two locations of the tubular portion 6b and the plate-like portion 6c of the membrane sheet 6, the dust intrusion effect is further enhanced.

この発明の実施例1であるプッシュつまみの取付構造を示す断面図である。It is sectional drawing which shows the attachment structure of the push knob which is Example 1 of this invention. 同プッシュつまみの取付構造の他の状態を示す断面図である。It is sectional drawing which shows the other state of the attachment structure of the same push knob. この発明の実施例2であるプッシュつまみの取付構造を示す断面図である。It is sectional drawing which shows the attachment structure of the push knob which is Example 2 of this invention. 同プッシュつまみの取付構造の他の状態を示す断面図である。It is sectional drawing which shows the other state of the attachment structure of the same push knob. 従来のプッシュつまみの取付構造の例を示す断面図である。It is sectional drawing which shows the example of the attachment structure of the conventional push knob. 同プッシュつまみの取付構造の他の状態を示す断面図である。It is sectional drawing which shows the other state of the attachment structure of the same push knob.

符号の説明Explanation of symbols

1 パネル、1a 穴
2 プリント基板
3 プッシュつまみ、3a 頭部、3b フランジ、3c スイッチ作動ボス
4 メンブレンシート、4a 椀形部、4b 筒状部、4c 板状部
5 パネル、5a 穴、5b 凸部
6 メンブレンシート、6a 椀形部、6b 筒状部、6c 板状部
7 メンブレンシート、7a 椀形部
DESCRIPTION OF SYMBOLS 1 Panel, 1a hole 2 Printed circuit board 3 Push knob, 3a Head, 3b Flange, 3c Switch operation boss 4 Membrane sheet, 4a Cone part, 4b Cylindrical part, 4c Plate-like part 5 Panel, 5a hole, 5b Convex part 6 Membrane Sheet, 6a Cone, 6b Tube, 6c Plate 7 Membrane Sheet, 7a Cage

Claims (2)

頭部の下面にスイッチ作動ボスが形成され、頭部の下部周囲にフランジが形成され、前記頭部がパネルの穴から突出するように弾性部材で付勢されるプッシュつまみの取付構造において、前記プッシュつまみのフランジ周囲を囲む筒状部を前記弾性部材に設け、前記筒状部の上端に形成した板状部を前記プッシュつまみのフランジと前記パネルの穴の縁下面とで挟圧することを特徴とするプッシュつまみの取付構造。 A switch operating boss is formed on the lower surface of the head, a flange is formed around the lower part of the head, and the push knob mounting structure is urged by an elastic member so that the head protrudes from a hole in the panel. A cylindrical portion surrounding the periphery of the push knob flange is provided in the elastic member, and a plate-like portion formed at the upper end of the cylindrical portion is clamped between the flange of the push knob and the lower surface of the edge of the hole of the panel. The push knob mounting structure. 頭部の下面にスイッチ作動ボスが形成され、頭部の下部周囲にフランジが形成され、前記頭部がパネルの穴から突出するように弾性部材で付勢されるプッシュつまみの取付構造において、前記プッシュつまみのフランジ周囲を囲む筒状部を前記弾性部材に設け、前記筒状部の上端がパネルの下面で押さえられ、前記筒状部の内面全周に突出形成されたリブを前記プッシュつまみのフランジと前記パネルの穴の縁に形成された凸部とで挟圧することを特徴とするプッシュつまみの取付構造。 A switch operating boss is formed on the lower surface of the head, a flange is formed around the lower part of the head, and the push knob mounting structure is urged by an elastic member so that the head protrudes from a hole in the panel. A cylindrical portion surrounding the flange of the push knob is provided on the elastic member, and an upper end of the cylindrical portion is pressed by the lower surface of the panel, and a rib formed so as to protrude on the entire inner surface of the cylindrical portion is formed on the push knob. A push knob mounting structure characterized in that clamping is performed between a flange and a convex portion formed at an edge of the hole of the panel.
JP2007322841A 2007-12-14 2007-12-14 Mounting structure for push knob Pending JP2009146730A (en)

Priority Applications (1)

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JP2007322841A JP2009146730A (en) 2007-12-14 2007-12-14 Mounting structure for push knob

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JP2007322841A JP2009146730A (en) 2007-12-14 2007-12-14 Mounting structure for push knob

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JP2009146730A true JP2009146730A (en) 2009-07-02

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JP2007322841A Pending JP2009146730A (en) 2007-12-14 2007-12-14 Mounting structure for push knob

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010003695A (en) * 2008-06-20 2010-01-07 Toyota Motor Engineering & Manufacturing North America Inc Lithium alloying material/carbon composite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010003695A (en) * 2008-06-20 2010-01-07 Toyota Motor Engineering & Manufacturing North America Inc Lithium alloying material/carbon composite

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