JPH09139153A - Dial mechanism and assembling method thereof - Google Patents
Dial mechanism and assembling method thereofInfo
- Publication number
- JPH09139153A JPH09139153A JP7295215A JP29521595A JPH09139153A JP H09139153 A JPH09139153 A JP H09139153A JP 7295215 A JP7295215 A JP 7295215A JP 29521595 A JP29521595 A JP 29521595A JP H09139153 A JPH09139153 A JP H09139153A
- Authority
- JP
- Japan
- Prior art keywords
- contact terminal
- plate
- code plate
- dial
- dial mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Camera Bodies And Camera Details Or Accessories (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Exposure Control For Cameras (AREA)
Abstract
Description
【０００１】[0001]
【発明の技術分野】本発明は、コード板と接触端子とを
摺接させて所定の信号を得るダイヤル機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dial mechanism in which a cord plate and a contact terminal are brought into sliding contact with each other to obtain a predetermined signal.
【０００２】[0002]
【従来技術及びその問題点】従来のカメラには、ダイヤ
ル機構として、カメラボディに回転自在に設けた操作ダ
イヤルの軸部に、この軸部と略直交する平面方向に向け
て、所定の導電パターンのランド部を有するコード板を
固定し、このコード板を、カメラボディに固定した複数
の接触端子を備えた電気導通ブラシに接触させた状態で
組付けたものがある。このダイヤル機構では、操作ダイ
ヤルを回転させて、電気導通ブラシに対するランド部の
接触状態を変化させることにより所定の信号を得ること
ができる。2. Description of the Related Art In a conventional camera, as a dial mechanism, a predetermined conductive pattern is provided on a shaft portion of an operation dial rotatably provided on a camera body in a plane direction substantially orthogonal to the shaft portion. There is one in which a code plate having a land portion is fixed, and the code plate is assembled in a state of being brought into contact with an electric conduction brush having a plurality of contact terminals fixed to the camera body. In this dial mechanism, a predetermined signal can be obtained by rotating the operation dial to change the contact state of the land portion with the electrically conductive brush.
【０００３】ところで、このようなダイヤル機構を組立
てる場合、コード板に対し、電気導通ブラシを操作ダイ
ヤルの軸方向に相対移動させて接触させる際に問題はな
い。しかし、カメラによっては、カメラボディの内部構
成部品に電気導通ブラシを固定してサブアッシーとし、
カメラボディの前飾りに枢着した操作ダイヤルの軸部先
端に該軸部と略直交させてコード板を固定してサブアッ
シーとし、これら両サブアッシーを相対移動させて組付
ける場合がある。この組付け時、例えばコード板が円形
状でその周縁部に円弧状のバリがある場合には、コード
板に対して接近する接触端子がこのバリに引っ掛かって
コード板の径方向外方に押し除けられることがある。通
常、接触端子は、コード板と弾性接触する方向において
は弾性によりある程度の変形に耐え得るが、複数の接触
端子の並び方向つまりコード板の径方向外方の変形に対
しては弱い。従って、接触端子がバリによってコード板
の径方向外方に押圧されて塑性変形し、コード板のラン
ド部と正常に接触できなくなる不具合を生じることとな
る。By the way, when assembling such a dial mechanism, there is no problem in bringing the electrically conductive brush into relative contact with the code plate in the axial direction of the operation dial. However, depending on the camera, an electrical conduction brush can be fixed to the internal components of the camera body to form a sub-assembly.
There is a case in which a code plate is fixed to a tip end of a shaft portion of an operation dial pivotally attached to a front ornament of a camera body so as to be substantially orthogonal to the shaft portion to form a sub-assembly, and both sub-assemblies are relatively moved to be assembled. At the time of this assembly, for example, when the code plate is circular and there is an arc-shaped burr on the peripheral edge, the contact terminals approaching the code plate are caught on the burr and pushed outward in the radial direction of the code plate. May be excluded. Normally, the contact terminal can withstand some deformation due to elasticity in the direction of elastic contact with the code plate, but is weak against the direction of arrangement of the plurality of contact terminals, that is, the deformation of the code plate outward in the radial direction. Therefore, the contact terminal is pressed outward in the radial direction of the code plate by the burr and is plastically deformed, which causes a problem that it cannot normally contact the land portion of the code plate.
【０００４】[0004]
【発明の目的】本発明は、上記問題点に基づき、コード
板と接触端子を組付ける場合にこの接触端子を変形させ
ることのないダイヤル機構、及びこのダイヤル機構の組
立方法を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a dial mechanism which does not deform the contact terminal when the cord plate and the contact terminal are assembled, and a method of assembling the dial mechanism, based on the above problems. And
【０００５】[0005]
【発明の概要】上記目的を達成するための本発明は、接
触端子と；この接触端子を摺接させる所定導電パターン
のランド部を有する回転可能なコード板とを備え、上記
コード板と接触端子とを相対摺動させて組付けるときこ
の接触端子が導入される該コード板の導入区間に、この
相対摺動方向と略直交する直線部を設けたことを特徴と
している。SUMMARY OF THE INVENTION To achieve the above object, the present invention comprises a contact terminal; and a rotatable cord plate having a land portion of a predetermined conductive pattern with which the contact terminal is slidably contacted. Is characterized in that a straight line portion substantially orthogonal to the relative sliding direction is provided in the introduction section of the cord plate into which the contact terminal is introduced when assembling by sliding relative to each other.
【０００６】また本発明は、相対回転する、接触端子
と；この接触端子を摺接させる所定導電パターンのラン
ド部を有するコード板と；を備え、このコード板と接触
端子とを相対摺動させて組付けるときこの接触端子が導
入される該コード板の導入区間に、この相対摺動方向と
略直交する直線部を設けたことを特徴としている。The present invention further comprises a contact terminal that rotates relative to one another; and a code plate having a land portion of a predetermined conductive pattern with which the contact terminal is slidably contacted, and the code plate and the contact terminal are slid relative to each other. A straight line portion that is substantially orthogonal to the relative sliding direction is provided in the introduction section of the cord plate into which the contact terminal is introduced at the time of assembling.
【０００７】さらに本発明は、接触端子と、この接触端
子を摺接させる所定導電パターンのランド部を有する回
転可能なコード板とを相対摺動させて組付けるとき、上
記コード板に備えた直線部をこの相対摺動方向と略直交
させた状態で上記接触端子と摺接させることを特徴とし
ている。Further, according to the present invention, when the contact terminal and the rotatable code plate having a land portion of a predetermined conductive pattern for slidingly contacting the contact terminal are slid relative to each other and assembled, the straight line provided on the code plate is provided. It is characterized in that the portion is slidably contacted with the contact terminal in a state of being substantially orthogonal to the relative sliding direction.
【０００８】[0008]
【発明の実施の形態】以下図示実施例に基づいて本発明
を説明する。図９は、本発明によるダイヤル機構を、複
数の撮影モードを選択設定するカメラの撮影モード変更
用ダイヤル機構に適用した一実施例を示す側面断面図で
ある。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on illustrated embodiments. FIG. 9 is a side sectional view showing an embodiment in which the dial mechanism according to the present invention is applied to a dial mechanism for changing a photographing mode of a camera for selectively setting a plurality of photographing modes.
【０００９】この撮影モード変更用ダイヤル機構は、同
図に示すように、カメラボディの前飾り１１の上部に略
鉛直方向に穿設した軸孔１１ａに軸部１３を回転自在に
挿入した操作ダイヤル１２を有している。前飾り１１の
内側において、軸部１３の先端部には、合成樹脂等の絶
縁材料からなる略円形のコード板１５が、この軸部１３
と略直交する平面方向に沿わせて固定されている。この
コード板１５は、中心部に備えた略小判状のキー穴１６
（図１参照）を、軸部１３先端部に設けた断面略小判状
のキー部に嵌合させた状態で、この軸部１３に螺合され
た図示しないねじで固定されている。コード板１５はま
た、裏面に、金属等の導電材料からなる所定導電パター
ンのランド部１７をキー穴１６を中心に備えている。操
作ダイヤル１２は、図示しないクリックストップ機構に
より、コード板１５を電気導通ブラシ２０に対して図２
〜図８に示す各回転位置で係止される。As shown in FIG. 1, the dial mechanism for changing the photographing mode is an operation dial in which a shaft portion 13 is rotatably inserted into a shaft hole 11a formed in an upper portion of a front ornament 11 of a camera body in a substantially vertical direction. Have twelve. Inside the front ornament 11, a substantially circular code plate 15 made of an insulating material such as synthetic resin is provided at the tip of the shaft portion 13 at the tip portion.
It is fixed along the plane direction substantially orthogonal to. This code plate 15 has a substantially oval key hole 16 provided at the center.
(See FIG. 1) is fixed to the shaft portion 13 by a screw (not shown) screwed to the shaft portion 13 in a state of being fitted to a key portion having a substantially oval cross section. The code plate 15 also has a land portion 17 of a predetermined conductive pattern made of a conductive material such as metal on the back surface, centering on the key hole 16. The operation dial 12 uses a click stop mechanism (not shown) to move the cord plate 15 to the electric conduction brush 20 as shown in FIG.
~ Locked at each rotational position shown in FIG.
【００１０】また図９におけるコード板１５の下方に
は、カメラボディ内に備えた支持板１９に固定される上
記電気導通ブラシ２０が位置している。この電気導通ブ
ラシ２０は、図１に示すように、合成樹脂材料等の絶縁
材料からなる支持体２１と、この支持体２１に、横一列
に等間隔かつ同じ高さとなるように一部を埋め込まれて
両端部を外方に突出させた４本の接触端子２２ａ、２２
ｂ、２２ｃ、２２ｄを有している。互いに絶縁された該
接触端子２２（ａ、ｂ、ｃ、ｄ）は、異なるリード線２
３によってそれぞれ独立して制御基板（図示せず）に接
続されている。接触端子２２（ａ、ｂ、ｃ、ｄ）はいず
れも側面視において（図９参照）、自由端部が上方即ち
コード板１５に向けて所定角度折曲されている。よっ
て、接触端子２２（ａ、ｂ、ｃ、ｄ）それぞれの自由端
部は、コード板１５に接触しない自由状態では該コード
板１５を越えて上方に位置し、所定位置に組付けられた
状態では該コード板１５に接して撓み、弾性的に接触す
る。Below the code plate 15 in FIG. 9, the electric conduction brush 20 fixed to a support plate 19 provided inside the camera body is located. As shown in FIG. 1, the electric conduction brush 20 has a support 21 made of an insulating material such as a synthetic resin material, and a part of the support 21 is embedded in the support 21 at equal intervals and in the same horizontal row. Four contact terminals 22a, 22 with both ends projecting outward
It has b, 22c, and 22d. The contact terminals 22 (a, b, c, d) insulated from each other are different lead wires 2
3 are independently connected to a control board (not shown). Each of the contact terminals 22 (a, b, c, d) has a free end bent upward at a predetermined angle toward the code plate 15 in a side view (see FIG. 9). Therefore, the free ends of the contact terminals 22 (a, b, c, d) are located above the code plate 15 in a free state where the contact terminals 22 (a, b, c, d) are not in contact with each other, and are assembled at predetermined positions. Then, the cord plate 15 is brought into contact with the cord plate 15 to bend and elastically contact the cord plate 15.
【００１１】本実施例のダイヤル機構は、図９に示すよ
うに、上記支持板１９に電気導通ブラシ２０を固定した
サブアッシーと、前飾り１１に枢着した操作ダイヤルの
軸部１３の先端にコード板を固定したサブアッシーとを
相対移動させて組立てられる。この組立時、コード板が
図１０に示すように円形状で、その周縁部に円弧状のバ
リ１５Ａが残っていると、コード板１５′に接近する接
触端子２２がこのバリ１５Ａに引っ掛かってコード板１
５′の径方向外方に押し除けられることとなる。電気導
通ブラシ２０の複数の接触端子２２（ａ、ｂ、ｃ、ｄ）
は、コード板１５′に弾性接触する方向においてはある
程度の変形に耐え得るが、複数の接触端子２２（ａ、
ｂ、ｃ、ｄ）の並び方向（図１０矢印Ｂ方向）、つまり
コード板の径方向外方の変形に対しては弱い。従って、
接触端子２２がバリ１５Ａによってコード板１５′の径
方向外方に押圧された場合には、この接触端子２２が塑
性変形して、コード板１５′のランド部と正常に接触で
きなくなる不具合が生じる。As shown in FIG. 9, the dial mechanism of this embodiment has a sub-assembly in which an electric conduction brush 20 is fixed to the support plate 19 and a tip of an operation dial shaft portion 13 pivotally attached to the front ornament 11. It is assembled by moving the sub-assembly with the code plate fixed. At the time of this assembly, if the cord plate is circular as shown in FIG. 10 and an arcuate burr 15A remains on the peripheral edge of the cord plate, the contact terminal 22 approaching the cord plate 15 'is caught by the burr 15A. Board 1
It is pushed outward in the radial direction of 5 '. A plurality of contact terminals 22 (a, b, c, d) of the electric conduction brush 20
Can withstand some deformation in the direction in which it makes elastic contact with the cord plate 15 ', but the plurality of contact terminals 22 (a,
(b, c, d) are weak in the direction of arrangement (the direction of arrow B in FIG. 10), that is, in the radial outward deformation of the code plate. Therefore,
When the contact terminal 22 is pressed outward in the radial direction of the code plate 15 'by the burr 15A, the contact terminal 22 is plastically deformed, which causes a problem that it cannot normally contact the land portion of the code plate 15'. .
【００１２】本発明によるコード板１５は、上述の問題
を解消するため以下の特徴を備えている。すなわちこの
コード板１５は、図１に示す状態において、このコード
板１５と電気導通ブラシ２０とを矢印Ａ方向に接近させ
て相対摺動させながら組付けるとき、複数の接触端子２
２（ａ、ｂ、ｃ、ｄ）を導入させる導入区間Ｅに、該接
触端子２２（ａ、ｂ、ｃ、ｄ）に対して傾斜しない（円
弧状ではない）直線部１５ａ、１５ｂを有している。コ
ード板１５には、ランド部１７を避ける位置に、略直交
する二組の縁部からなる階段状の切欠が形成されてお
り、直線部１５ａ、１５ｂは、この二組の縁部のうちの
一方からなっている。すなわち、この直線部１５ａ、１
５ｂは、上記階段状切欠においての一方向に向いた互い
に平行な縁部であり、接触端子２２（ａ、ｂ、ｃ、ｄ）
に対する相対移動時には、相対移動方向Ａに対して略直
交状態とされる。従ってその場合に、直線部１５ａ、１
５ｂは、接触端子２２（ａ、ｂ、ｃ、ｄ）の並び方向
（同図矢印Ｂ方向）に対して略平行となる。The code plate 15 according to the present invention has the following features in order to solve the above problems. That is, when the cord plate 15 and the electric conduction brush 20 are assembled in the state shown in FIG.
2 (a, b, c, d) has an introduction section E into which straight portions 15a, 15b that are not inclined (not arcuate) with respect to the contact terminal 22 (a, b, c, d) are provided. ing. The code plate 15 is formed with a stepped notch formed of two sets of edge portions which are substantially orthogonal to each other at a position avoiding the land portion 17, and the straight line portions 15a and 15b are included in the two sets of edge portions. It consists of one side. That is, the straight portions 15a, 1
Reference numeral 5b denotes mutually parallel edges of the stepped notch which are oriented in one direction, and contact terminals 22 (a, b, c, d) are provided.
At the time of relative movement with respect to, the state is substantially orthogonal to the relative movement direction A. Therefore, in that case, the straight portions 15a, 1
5b is substantially parallel to the direction in which the contact terminals 22 (a, b, c, d) are arranged (the direction of arrow B in the figure).
【００１３】また、上記直線部１５ａ、１５ｂは、導入
区間Ｅにおいて、切り欠かず逆に張出し部を形成し、こ
の張出し部の縁部を直線部１５ｃとして構成することが
できる（図１の二点鎖線）。さらに、ランド部１７の形
状によっては、階段状でなく図１の一点鎖線で示すよう
な一段のみの切欠を形成し、その直交する二つの縁部の
うち一方を直線部１５ｄとして構成することができる。
これらの場合にも、直線部１５ａ、１５ｂと同様の作用
効果を奏することができる。Further, the straight portions 15a and 15b can be formed as bulges which are not cut out in the introduction section E, and the edges of the bulges can be configured as the straight portions 15c (see FIG. 1). Dashed line). Further, depending on the shape of the land portion 17, a notch having only one step as shown by the one-dot chain line in FIG. 1 may be formed instead of the stepwise shape, and one of the two edge portions orthogonal to each other may be configured as the straight portion 15d. it can.
In these cases as well, the same operational effects as the linear portions 15a and 15b can be obtained.
【００１４】直線部１５ａ、１５ｂは、コード板１５を
接触端子２２に対して組付けたとき、このコード板１５
の回転初期位置において複数の接触端子２２（ａ、ｂ、
ｃ、ｄ）の並び方向（図１矢印Ｂ参照）と平行になるよ
うに位置される。組立状態において、コード板１５の接
触端子２２に対する最大回転角度は、図示しない規制手
段によって、上記回転初期位置から約２７０゜の範囲に
定められている（図２〜図８参照）。これは、コード板
１５が図８に示す角度以上に時計回りに回転すると、直
線部１５ａ、１５ｂが接触端子２２から外れて反時計方
向に戻せなくなるからである。When the cord plate 15 is assembled to the contact terminal 22, the linear portions 15a and 15b are provided on the cord plate 15a.
Of the plurality of contact terminals 22 (a, b,
It is positioned so as to be parallel to the arrangement direction of c, d) (see arrow B in FIG. 1). In the assembled state, the maximum rotation angle of the cord plate 15 with respect to the contact terminal 22 is set within a range of about 270 ° from the initial rotation position by the regulation means (not shown) (see FIGS. 2 to 8). This is because when the code plate 15 is rotated clockwise beyond the angle shown in FIG. 8, the linear portions 15a and 15b are disengaged from the contact terminals 22 and cannot be returned counterclockwise.
【００１５】したがって、本発明による撮影モード変更
用ダイヤル機構の組立ては次のように行なわれる。すな
わち、図９に示すように、コード板１５と電気導通ブラ
シ２０をそれぞれに装着した両サブアッシーを互いに接
近させてこのコード板１５と接触端子２２（ａ、ｂ、
ｃ、ｄ）を相対摺動させる場合、先ず、操作ダイヤル１
２を適宜回転させて、コード板１５の直線部１５ａ、１
５ｂを相対摺動方向Ａと略直交するように位置決めして
おく（図１参照）。この状態でコード板１５と接触端子
２２が接近する場合に、コード板１５の周縁部にバリが
残っていたとしても、導入区間Ｅにおける直線部１５
ａ、１５ｂのバリは相対摺動方向Ａと略直交する直線状
であるため、接触端子２２がコード板１５の径方向外方
に押圧されるような力は働かない。従って、４本の接触
端子２２（ａ、ｂ、ｃ、ｄ）はいずれも変形することな
く、ランド部１７側に円滑に導かれて、このランド部１
７との適正な接触位置に位置する。Therefore, the shooting mode changing dial mechanism according to the present invention is assembled as follows. That is, as shown in FIG. 9, the cord plates 15 and the sub-assemblies on which the electric conduction brush 20 is mounted are brought close to each other, and the cord plates 15 and the contact terminals 22 (a, b,
When sliding c, d) relative to each other, first, the operation dial 1
2 are rotated as appropriate so that the linear portions 15a, 1 of the code plate 15
5b is positioned so as to be substantially orthogonal to the relative sliding direction A (see FIG. 1). When the cord plate 15 and the contact terminal 22 approach each other in this state, even if the burr remains on the peripheral portion of the cord plate 15, the straight portion 15 in the introduction section E is formed.
Since the burrs a and 15b are straight lines that are substantially orthogonal to the relative sliding direction A, a force that presses the contact terminal 22 outward in the radial direction of the code plate 15 does not work. Therefore, the four contact terminals 22 (a, b, c, d) are smoothly guided to the land portion 17 side without being deformed, and the land portion 1
It is located at the proper contact position with 7.
【００１６】このように組立てられた本モード変更スイ
ッチは、次のように作動する。すなわち、操作ダイヤル
１２を回転初期位置に位置させると、コード板１５は電
気導通ブラシ２０に対して図２に示す位置関係となる。
この状態では、接触端子２２ｄのみがランド部１７に接
触しており、信号は発生しない。The mode change switch thus assembled operates as follows. That is, when the operation dial 12 is positioned at the initial rotation position, the cord plate 15 has the positional relationship shown in FIG.
In this state, only the contact terminal 22d is in contact with the land 17 and no signal is generated.
【００１７】この状態から操作ダイヤル１２が回転さ
れ、コード板１５が図２矢印Ｄ方向に回転して次なる係
止位置で係止されると、該コード板１５は電気導通ブラ
シ２０に対して図３に示す位置関係となる。この状態で
は、接触端子２２ｂと２２ｄが導通して所定の信号を発
生させる。When the operation dial 12 is rotated from this state and the code plate 15 is rotated in the direction of the arrow D in FIG. 2 and locked at the next locking position, the code plate 15 is attached to the electric conduction brush 20. The positional relationship shown in FIG. 3 is obtained. In this state, the contact terminals 22b and 22d become conductive and generate a predetermined signal.
【００１８】この状態から操作ダイヤル１２が同方向に
回転され、コード板１５が電気導通ブラシ２０に対して
図４に示す位置関係になると、接触端子２２ｂ、２２
ｃ、２２ｄが互いに導通して所定の信号を発生させる。
操作ダイヤル１２が同方向にさらに回転され、コード板
１５が電気導通ブラシ２０に対して図５に示す位置関係
になると、接触端子２２ａ、２２ｂ、２２ｃ、２２ｄの
全てが互いに導通して、所定の信号を発生させる。そし
て、操作ダイヤル１２の同方向の回転によって、コード
板１５が電気導通ブラシ２０に対して図６に示す位置関
係になると、接触端子２２ａ、２２ｂ、２２ｄが互いに
導通して所定の信号を発生させ、さらに図７に示す位置
関係になると、接触端子２２ａ、２２ｄが互いに導通し
て所定の信号を発生させ、図８に示す位置関係になる
と、接触端子２２ａ、２２ｃ、２２ｄが互いに導通して
所定の信号を発生させる。From this state, when the operation dial 12 is rotated in the same direction and the code plate 15 is brought into the positional relationship shown in FIG.
c and 22d are electrically connected to each other to generate a predetermined signal.
When the operation dial 12 is further rotated in the same direction and the cord plate 15 is brought into the positional relationship shown in FIG. 5 with respect to the electric conduction brush 20, all of the contact terminals 22a, 22b, 22c, 22d are brought into conduction with each other and a predetermined distance is obtained. Generate a signal. When the code plate 15 is brought into the positional relationship shown in FIG. 6 with respect to the electric conduction brush 20 by the rotation of the operation dial 12 in the same direction, the contact terminals 22a, 22b, 22d are electrically connected to each other to generate a predetermined signal. Further, when the positional relationship shown in FIG. 7 is reached, the contact terminals 22a and 22d are brought into conduction with each other to generate a predetermined signal, and when the positional relationship shown in FIG. 8 is brought, the contact terminals 22a, 22c and 22d are brought into conduction with each other to a prescribed level. Generate the signal.
【００１９】なお、上記実施例では、本発明によるダイ
ヤル機構を、カメラに設けた撮影モード変更用ダイヤル
機構に関して説明したが、本発明はこの実施例に限定さ
れることなく、ダイヤル機構を用いた他の機器にも用い
ることができる。In the above embodiment, the dial mechanism according to the present invention has been described with respect to the photographing mode changing dial mechanism provided in the camera, but the present invention is not limited to this embodiment, and the dial mechanism is used. It can also be used for other devices.
【００２０】[0020]
【発明の効果】以上のように本発明によれば、コード板
と接触端子を組付ける場合にこの接触端子を変形させる
ことのないダイヤル機構、及びこのダイヤル機構の組立
方法を提供することができる。As described above, according to the present invention, it is possible to provide a dial mechanism which does not deform the contact terminal when the cord plate and the contact terminal are assembled, and a method of assembling the dial mechanism. .
【図１】本発明によるダイヤル機構の組立時におけるコ
ード板と接触端子との位置関係を示す平面図である。FIG. 1 is a plan view showing a positional relationship between a code plate and a contact terminal when assembling a dial mechanism according to the present invention.
【図２】組付け後における同ダイヤル機構の回転初期位
置を示す平面図である。FIG. 2 is a plan view showing an initial rotation position of the dial mechanism after assembly.
【図３】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 3 is a plan view showing an operation position of the dial mechanism.
【図４】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 4 is a plan view showing an operating position of the dial mechanism.
【図５】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 5 is a plan view showing an operation position of the dial mechanism.
【図６】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 6 is a plan view showing an operating position of the dial mechanism.
【図７】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 7 is a plan view showing an operating position of the dial mechanism.
【図８】同ダイヤル機構の操作位置を示す平面図であ
る。FIG. 8 is a plan view showing an operating position of the dial mechanism.
【図９】同ダイヤル機構の組立時における二つのサブア
ッシーの位置関係を示す側面断面図である。FIG. 9 is a side sectional view showing a positional relationship between two subassemblies during assembly of the dial mechanism.
【図１０】コード板が円形状の場合の不具合を説明する
ための平面図である。FIG. 10 is a plan view for explaining a problem when the code plate has a circular shape.
【図１１】コード板が円形状の場合の不具合を説明する
ための組付け状態での平面図である。FIG. 11 is a plan view in an assembled state for explaining a problem when the code plate has a circular shape.
【図１２】コード板が円形の場合の不具合を説明するた
めの組付け状態での側面図である。FIG. 12 is a side view in an assembled state for explaining a problem when the code plate has a circular shape.
１１ 前飾り（第１の支持部） １１ａ 軸孔 １２ 操作ダイヤル １３ 軸部 １５ コード板 １５ａ １５ｂ １５ｃ １５ｄ 直線部 １７ ランド部 １９ 支持板（第２の支持部） ２０ 電気導通ブラシ ２１ 支持体 ２２ａ ２２ｂ ２２ｃ ２２ｄ 接触端子 Ａ 相対摺動方向 Ｂ 並び方向 Ｅ 導入区間 11 Front Decoration (First Support Part) 11a Shaft Hole 12 Operation Dial 13 Shaft Part 15 Code Plate 15a 15b 15c 15d Straight Part 17 Land Part 19 Support Plate (Second Support Part) 20 Electric Conduction Brush 21 Support 22a 22b 22c 22d Contact terminal A Relative sliding direction B Arrangement direction E Introduction section
Claims (9)
所定導電パターンのランド部を有する回転可能なコード
板と；を備え、 上記コード板と接触端子とを相対摺動させて組付けると
きこの接触端子が導入される該コード板の導入区間に、
この相対摺動方向と略直交する直線部を設けたことを特
徴とするダイヤル機構。1. A contact terminal; and a rotatable code plate having a land portion of a predetermined conductive pattern with which the contact terminal is slidably contacted, wherein the code plate and the contact terminal are slid relative to each other when assembled. In the introduction section of the cord plate into which the contact terminal is introduced,
A dial mechanism having a straight line portion substantially orthogonal to the relative sliding direction.
のランド部を逃げる位置に形成された切欠における縁部
であることを特徴とするダイヤル機構。2. The dial mechanism according to claim 1, wherein the straight portion is an edge portion of a notch formed at a position where the land portion of the code plate escapes.
二組の縁部を備え、直線部は、この二組の縁部のうちの
一方からなっていることを特徴とするダイヤル機構。3. The dial mechanism according to claim 2, wherein the notch includes two sets of edge portions that are substantially orthogonal to each other, and the straight line portion is formed by one of the two sets of edge portions.
二つの縁部を備え、直線部は、この二つの縁部のうちの
一方からなっていることを特徴とするダイヤル機構。4. The dial mechanism according to claim 2, wherein the notch has two edges that are substantially orthogonal to each other, and the straight portion is one of the two edges.
のランド部を逃げる位置に備えられた張出し部における
縁部であることを特徴とするダイヤル機構。5. The dial mechanism according to claim 1, wherein the linear portion is an edge portion of a projecting portion provided at a position where the land portion of the code plate escapes.
コード板は、第１の支持部に枢着された操作ダイヤル
に、この操作ダイヤルの軸部と略直交する平面方向に沿
わせて固定され、複数の接触端子は、上記第１の支持部
と対向する第２の支持部に、上記コード板のランド部と
弾性接触可能に位置決め固定されていることを特徴とす
るダイヤル機構。6. The method according to claim 1, wherein:
The cord plate is fixed to an operation dial pivotally attached to the first support portion along a plane direction substantially orthogonal to the shaft portion of the operation dial, and the plurality of contact terminals are connected to the first support portion. A dial mechanism, characterized in that it is positioned and fixed so as to be elastically contactable with the land portion of the above-mentioned code plate on the second supporting portion which faces it.
メラボディの外観を形成する前飾りであり、第２の支持
部は、カメラボディ内に備えられた、上記前飾りとは別
部材からなる支持板であり、コード板は、該前飾りに備
えた軸孔を貫通した操作ダイヤルの軸部の先端に固定さ
れ、上記コード板と接触端子とにより撮影モード変更用
ダイヤル機構が構成されていることを特徴とするダイヤ
ル機構。7. The front support according to claim 6, wherein the first support portion is a front decoration that forms the appearance of the camera body, and the second support portion is provided inside the camera body and is different from the front decoration. The cord plate is a support plate made of a member, and the code plate is fixed to the tip of the shaft portion of the operation dial penetrating the shaft hole provided in the front ornament, and the dial plate for changing the photographing mode is constituted by the cord plate and the contact terminal. Dial mechanism characterized by being.
子を摺接させる所定導電パターンのランド部を有するコ
ード板と；を備え、 このコード板と接触端子とを相対摺動させて組付けると
きこの接触端子が導入される該コード板の導入区間に、
この相対摺動方向と略直交する直線部を設けたことを特
徴とするダイヤル機構。8. A relative rotating contact terminal; and a code plate having a land portion of a predetermined conductive pattern for slidingly contacting the contact terminal; and assembling the code plate and the contact terminal by sliding relative to each other. When this contact terminal is introduced into the introduction section of the cord plate,
A dial mechanism having a straight line portion substantially orthogonal to the relative sliding direction.
所定導電パターンのランド部を有する回転可能なコード
板とを相対摺動させて組付けるとき、上記コード板に備
えた直線部をこの相対摺動方向と略直交させた状態で上
記接触端子と摺接させることを特徴とするダイヤル機構
の組立方法。9. When a contact terminal and a rotatable code plate having a land portion of a predetermined conductive pattern for slidingly contacting the contact terminal are slid relative to each other to be assembled, the linear portion provided on the code plate is provided. A method of assembling a dial mechanism, comprising slidingly contacting the contact terminal in a state of being substantially orthogonal to a relative sliding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29521595A JP3762464B2 (en) | 1995-11-14 | 1995-11-14 | Dial mechanism and method for assembling the dial mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29521595A JP3762464B2 (en) | 1995-11-14 | 1995-11-14 | Dial mechanism and method for assembling the dial mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09139153A true JPH09139153A (en) | 1997-05-27 |
| JP3762464B2 JP3762464B2 (en) | 2006-04-05 |
Family
ID=17817698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29521595A Expired - Fee Related JP3762464B2 (en) | 1995-11-14 | 1995-11-14 | Dial mechanism and method for assembling the dial mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3762464B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007220516A (en) * | 2006-02-17 | 2007-08-30 | Matsushita Electric Ind Co Ltd | Rotary operation type encoder |
-
1995
- 1995-11-14 JP JP29521595A patent/JP3762464B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007220516A (en) * | 2006-02-17 | 2007-08-30 | Matsushita Electric Ind Co Ltd | Rotary operation type encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3762464B2 (en) | 2006-04-05 |
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