JPH0436153Y2 - - Google Patents
Info
- Publication number
- JPH0436153Y2 JPH0436153Y2 JP1986200441U JP20044186U JPH0436153Y2 JP H0436153 Y2 JPH0436153 Y2 JP H0436153Y2 JP 1986200441 U JP1986200441 U JP 1986200441U JP 20044186 U JP20044186 U JP 20044186U JP H0436153 Y2 JPH0436153 Y2 JP H0436153Y2
- Authority
- JP
- Japan
- Prior art keywords
- printed board
- holding member
- fixed
- cylinder
- parts
- 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.)
- Expired
Links
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はプリント板の装着装置に関し、特にレ
ンズ鏡筒等における固定筒と可動筒とで形成され
る狭い空間内にフレキシブル性のプリント板を装
備して固定筒と可動筒を電気的に接続し、該可動
筒を移動させたときにプリント板が該可動筒に付
随してスムーズに移動出来るようにしたプリント
板の装着装置に関するものである。[Detailed description of the invention] (Field of industrial application) The present invention relates to a printed board mounting device, and in particular, the present invention relates to a mounting device for a printed board, in particular, for mounting a flexible printed board in a narrow space formed by a fixed cylinder and a movable cylinder in a lens barrel, etc. This invention relates to a printed board mounting device that electrically connects a fixed cylinder and a movable cylinder so that when the movable cylinder is moved, the printed board can move smoothly along with the movable cylinder. .
（従来の技術）
従来よりフレキシブル性のプリント板は薄くか
つ可撓性に優れており、自由自在に湾曲させるこ
とができ、機器内の狭い空間内に効率良く収納す
ることが出来る為カメラ本体やレンズ鏡筒等、各
種の機器に用いられている。(Prior art) Flexible printed circuit boards have traditionally been thin and highly flexible, allowing them to be bent freely and efficiently stored in narrow spaces within equipment, such as camera bodies, etc. Used in various devices such as lens barrels.
このうちレンズ鏡筒にプリント板を装着する場
合にはカメラ本体側と接続する固定筒とズーム操
作やフオーカス操作を行う可動筒とで挟まれた空
間内に装着する場合が多い。 When a printed board is mounted on a lens barrel, it is often mounted in a space sandwiched between a fixed barrel that connects to the camera body and a movable barrel that performs zoom and focus operations.
そして固定筒から可動筒への電気的接続、例え
ばズーム信号の送受の為の電気的接続はフレキシ
ブル性のプリント板を利用して行つている。 Electrical connections from the fixed barrel to the movable barrel, for example, electrical connections for transmitting and receiving zoom signals, are made using flexible printed boards.
このとき可動筒を移動させたときにプリント板
が可動筒に付随して変位するように構成してい
る。 At this time, when the movable tube is moved, the printed board is configured to be displaced along with the movable tube.
固定筒の電気部品と可動筒の電気部品とをフレ
キシブルプリント板で電気的に接続する提案とし
て、実開昭59−48514号公報、特公昭61−52454号
公報等が知られている。 Japanese Utility Model Publication No. 59-48514, Japanese Patent Publication No. 61-52454, etc. are known as proposals for electrically connecting electrical components of a fixed tube and electrical components of a movable tube using a flexible printed board.
これらの提案は帯状のフレキシブルプリント板
を途中で約180度湾曲させ、この湾曲された部分
にて可動筒の移動を吸収できるようにしている。 In these proposals, a strip-shaped flexible printed board is curved approximately 180 degrees in the middle, so that the movement of the movable tube can be absorbed by this curved portion.
（考案が解決しようとする問題点）
しかしながら上記提案では、帯状のフレキシブ
ルプリント板の両延出部が同じ方向を向くように
設定されている。仮にフレキシブルプリント板の
両延出部を逆の方向を向くようにしたとすると、
約180度湾曲させた部分を２か所設けることが必
要となるが、そのようにした場合には約180度湾
曲させた部分が均一に変位しないで一部が急激に
変位して無理な力がフレキシブルプリント板に対
して発生してしまい、最悪の場合にはプリント板
が切断してしまうことが考えられる。(Problems to be Solved by the Invention) However, in the above proposal, both extending portions of the band-shaped flexible printed board are set to face in the same direction. Assuming that both extensions of the flexible printed board face in opposite directions,
It is necessary to provide two parts that are curved approximately 180 degrees, but in that case, the parts curved approximately 180 degrees will not be displaced uniformly, and some parts will be displaced suddenly, causing unreasonable force. This may occur on the flexible printed board, and in the worst case, the printed board may be cut.
（問題点を解決するための手段）
相対移動する固定筒と可動筒に帯状のフレキシ
ブル性のプリント板の長手方向の両延出部を固定
したプリント板の装着装置において、前記固定筒
若しくは可動筒の一方に係止部を有する保持部材
を設け、前記プリント板を長手方向に約180度湾
曲させた部分を２か所連続して互いに反対方向を
向くように設けるとともに、湾曲させた部分の１
か所の湾曲部近傍を前記保持部材の係止部によつ
て係止し、前記プリント板の前記両延出部が異な
る方向になるようにして、前記固定筒と前記可動
筒に固定したプリント板の装着装置を特徴とする
ものである。(Means for solving the problem) In a printed board mounting device in which both longitudinal extensions of a band-shaped flexible printed board are fixed to a fixed cylinder and a movable cylinder that move relatively, the fixed cylinder or the movable cylinder A holding member having a locking portion is provided on one side of the printed board, and two consecutive portions of the printed board are curved approximately 180 degrees in the longitudinal direction so as to face in opposite directions, and one of the curved portions is
The printed circuit board is fixed to the fixed tube and the movable tube by locking the vicinity of the curved portion at a location by the locking portion of the holding member so that both the extending portions of the printed board are in different directions. It is characterized by a plate mounting device.
これにより本考案はフレキシブル性のプリント
板の両延出部を異なる方向となるようにした場合
においても固定筒と可動筒との相対移動に伴ない
プリント板をスムーズに変位させて電気的に高い
信頼性を有したプリント板の装着装置を提供す
る。 As a result, even when the two extending portions of a flexible printed board are arranged in different directions, the printed board can be smoothly displaced as the fixed tube and the movable tube move relative to each other, resulting in high electrical performance. To provide a reliable printed board mounting device.
（実施例）
第１図Ａ，Ｂは各々本考案をレンズ鏡筒に適用
したときの一実施例の概略図である。(Embodiment) FIGS. 1A and 1B are schematic diagrams of an embodiment in which the present invention is applied to a lens barrel.
同図において１はマウントであり不図示のカメ
ラ本体に取付けられる。２は固定筒であり、３は
可動筒で、例えばズーム環やフオーカス環等であ
り、本実施例では固定筒２に対して軸方向に移動
可能となつている。４は可動筒３上に一部に固設
した保持部材、５は帯状のフレキシブル性のプリ
ント板であり、その長手方向に約180度湾曲させ
た部分を２か所連続して互いに反対方向を向くよ
うに設けられており、その長手方向の一端は固定
筒２に他端は可動筒に固定されている。又後述す
るようにプリント板の一部に設けた突出部が保持
部材４の一部に設けた係止部に係止するように構
成されている。 In the figure, 1 is a mount and is attached to a camera body (not shown). 2 is a fixed barrel, and 3 is a movable barrel, such as a zoom ring or a focus ring, which in this embodiment is movable in the axial direction with respect to the fixed barrel 2. Reference numeral 4 indicates a holding member fixedly attached to a part of the movable cylinder 3, and reference numeral 5 indicates a flexible printed board in the form of a strip, which is curved approximately 180 degrees in the longitudinal direction at two consecutive locations in opposite directions. One longitudinal end is fixed to the fixed tube 2 and the other end is fixed to the movable tube. Further, as will be described later, a protruding portion provided on a portion of the printed board is configured to be locked to a locking portion provided on a portion of the holding member 4.
尚第１図Ａは可動筒３を前方（図中左方）に繰
り出したときの状態、第１Ｂは可動筒３を後方
（図中右方）に繰り込んだときの状態を示してい
る。 1A shows the state when the movable tube 3 is extended forward (to the left in the figure), and FIG. 1B shows the state when the movable tube 3 is retracted to the rear (to the right in the figure).
第２図は第１図の一実施例のＡ部分の保持部材
４とプリント板５との関係を示す斜視図、第３図
は第２図の保持部材４の斜視図、第４図は本考案
に係るフレキシブル性のプリント板の説明図であ
る。 2 is a perspective view showing the relationship between the holding member 4 and the printed board 5 in part A of the embodiment shown in FIG. 1, FIG. 3 is a perspective view of the holding member 4 shown in FIG. 2, and FIG. FIG. 2 is an explanatory diagram of the flexible printed board according to the invention.
本実施例における保持部材４は可動筒３に固定
する為の取付穴４１ａ，４１ｂを有した取付部４
１とプリント板５を固定保持する為の先方が弯曲
した板状の支持部４２とを有している。支持部４
２の両側辺には１対のプリント板５を係止する為
の係止部（具体的には係止穴）４３が設けらてい
る。 The holding member 4 in this embodiment is a mounting portion 4 having mounting holes 41a and 41b for fixing it to the movable cylinder 3.
1 and a plate-shaped support portion 42 with a curved end for fixing and holding the printed board 5. Support part 4
Locking portions (specifically locking holes) 43 for locking a pair of printed boards 5 are provided on both sides of the board 2 .
プリント板５は第４図に示すように両側端部に
１対に突出部５１，５２を２つづつ有している。
そして点線５３で示す位置から長手方向に180度
湾曲させた状態で、２つづつの突出部５１，５２
を第２図に示すように重ねて保持部材４の係止部
４３の穴で係止してプリント板の湾曲の反揆力に
より、はずれないようにすると共に支持部４２面
上に沿うようにして装着している。 As shown in FIG. 4, the printed board 5 has a pair of protrusions 51 and 52 at both end portions.
Then, in a state of being bent 180 degrees in the longitudinal direction from the position indicated by the dotted line 53, the two protrusions 51 and 52
As shown in FIG. 2, they are stacked and locked in the hole of the locking part 43 of the holding member 4 to prevent them from coming off due to the rebound force of the curvature of the printed board and to make them lie along the surface of the support part 42. I am wearing it.
従つてプリント板５の一方の湾曲部はその湾曲
近傍が保持部材４の係止部４３によつて係止され
たことになる。 Therefore, the vicinity of one curved portion of the printed board 5 is locked by the locking portion 43 of the holding member 4.
そして第１図に示すようにプリント板５の一端
を固定筒２の電気部品（例えばマウント接点）
に、他端を可動筒３のアクチユエータ（例えば絞
り駆動モーター）に各々電気的に接続させてい
る。 Then, as shown in FIG.
In addition, the other end is electrically connected to an actuator (for example, an aperture drive motor) of the movable cylinder 3.
尚第４図において５ａ〜５ｃは各々配線パター
ンである。又突出部５１，５２にはダミーパター
ンを形成して、突出部を補強している。 In FIG. 4, 5a to 5c are wiring patterns, respectively. Furthermore, dummy patterns are formed on the protrusions 51 and 52 to reinforce the protrusions.
本実施例においては第１図Ａに示す状態から第
１図Ｂに示す状態へと、可動筒３を後方に（右方
に）繰り込むと、プリント板５は保持部材４の支
持部４２上に沿いながら変位する。このときプリ
ント板５は第２図に示すように突出部５１，５２
が支持部４２の係止部４３で係止されているので
プリント板５の湾曲部５４は長手方向にスムーズ
に変位していく。 In this embodiment, when the movable cylinder 3 is retracted backward (to the right) from the state shown in FIG. 1A to the state shown in FIG. Displaces along the . At this time, the printed board 5 has protrusions 51 and 52 as shown in FIG.
Since it is locked by the locking part 43 of the support part 42, the curved part 54 of the printed board 5 is smoothly displaced in the longitudinal direction.
又本実施例では支持部４２の先端を湾曲させて
可動筒３を移動させたとき、その先端部が固定筒
の一部と噛み合うことなくスムーズに移動出来る
ようにしている。 Further, in this embodiment, the tip of the support part 42 is curved so that when the movable tube 3 is moved, the tip can move smoothly without engaging a part of the fixed tube.
尚本実施例においては保持部材４を可動筒３の
代わりに固定筒２に固定させても良い。 In this embodiment, the holding member 4 may be fixed to the fixed cylinder 2 instead of the movable cylinder 3.
本実施例において可動筒３を固定筒２に対して
繰り出す代わりに回動させるようにし、保持部材
４を可動筒の周方向に沿つて円弧帯状形にして構
成するようにしても良い。 In this embodiment, the movable cylinder 3 may be rotated instead of being extended relative to the fixed cylinder 2, and the holding member 4 may be formed into an arc band shape along the circumferential direction of the movable cylinder.
（考案の効果）
本考案によれば、帯状のフレキシブル性のプリ
ント板の両延出部が異なる方向になるように、長
手方向に約180度湾曲させた部分を２か所互いに
反対方向を向くように設けたものにおいても、湾
曲させた部分の１か所の湾曲部近傍を保持部材の
係止部によつて係止したことにより、固定筒と可
動筒とに該プリント板の両延出部を固定して、両
者を相対移動させても該プリント板に無理な力を
加えずにスムーズに変位させることができ、電気
的に高い信頼性を有したプリント板の装着装置を
提出することができる。(Effects of the invention) According to the invention, two parts curved approximately 180 degrees in the longitudinal direction face in opposite directions so that both extending parts of the strip-shaped flexible printed board are in different directions. Even in such a case, by locking the vicinity of one curved portion of the curved portion with the locking portion of the holding member, both extensions of the printed board can be secured between the fixed tube and the movable tube. To provide a printed board mounting device that can be fixed and smoothly displaced without applying excessive force to the printed board even when the two are moved relative to each other, and that has high electrical reliability. I can do it.
第１図Ａ，Ｂは本考案をレンズ鏡筒に適用した
ときの一実施例の概略図、第２図は第１図の一部
分の斜視図、第３図、第４図は各々第２図の一部
分の説明図である。図中１はマウント、２は固定
筒、３は可動筒、４は保持部材、４３は係止部、
５はプリント板、５１，５２は突出部である。
1A and 1B are schematic diagrams of an embodiment of the present invention applied to a lens barrel, FIG. 2 is a perspective view of a portion of FIG. 1, and FIGS. 3 and 4 are respectively FIGS. FIG. In the figure, 1 is a mount, 2 is a fixed cylinder, 3 is a movable cylinder, 4 is a holding member, 43 is a locking part,
5 is a printed board, and 51 and 52 are protrusions.
Claims (1)
シブル性のプリント板の長手方向の両延出部を
固定したプリント板の装着装置において、 前記固定筒若しくは可動筒の一方に係止部を
有する保持部材を設け、 前記プリント板を長手方向に約180度湾曲さ
せた部分を２か所連続して互いに反対方向を向
くように設けるとともに、湾曲させた部分の１
か所の湾曲部近傍を前記保持部材の係止部によ
つて係止し、 前記プリント板の前記両延出部が異なる方向
になるようにして、前記固定筒と前記可動筒に
固定したことを特徴とするプリント板の装着装
置。 (2) 上記保持部材によつて係止する上記プリント
板の湾曲させた部分の近傍には、該プリント板
の長手方向に略直交する突出部を該湾曲させた
部分をはさんで少なくとも一対設け、該突出部
を重ねて該保持部材の係止部としての係止穴に
挿入することにより、該プリント板の１か所の
湾曲部近傍を該保持部材によつて係止したこと
を特徴とする実用新案登録請求の範囲第１項記
載のプリント板の装着装置。[Claims for Utility Model Registration] (1) In a printed board mounting device in which both longitudinally extending portions of a strip-shaped flexible printed board are fixed to a fixed cylinder and a movable cylinder that move relative to each other, the fixed cylinder or the movable cylinder A holding member having a locking part is provided on one side of the cylinder, and two consecutive parts of the printed board that are curved approximately 180 degrees in the longitudinal direction are provided so as to face in opposite directions, and the parts of the curved parts are 1
The vicinity of the curved portion of the printed board is locked by the locking part of the holding member, and the printed board is fixed to the fixed cylinder and the movable cylinder so that both the extending parts are in different directions. A printed board mounting device characterized by: (2) Near the curved portion of the printed board that is retained by the holding member, at least one pair of protrusions that are substantially orthogonal to the longitudinal direction of the printed board are provided across the curved portion. , characterized in that the vicinity of one curved part of the printed board is locked by the holding member by stacking the protruding parts and inserting them into the locking holes as the locking parts of the holding member. A printed board mounting device according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986200441U JPH0436153Y2 (en) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986200441U JPH0436153Y2 (en) | 1986-12-27 | 1986-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63106184U JPS63106184U (en) | 1988-07-08 |
| JPH0436153Y2 true JPH0436153Y2 (en) | 1992-08-26 |
Family
ID=31162956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986200441U Expired JPH0436153Y2 (en) | 1986-12-27 | 1986-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436153Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6679662B2 (en) * | 2018-06-25 | 2020-04-15 | キヤノン株式会社 | Imaging device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339216B2 (en) * | 1984-12-05 | 1988-08-04 | Guriko Kyodo Nyugyo Kk | |
| JPS6339217B2 (en) * | 1984-12-05 | 1988-08-04 | Guriko Kyodo Nyugyo Kk |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0749471Y2 (en) * | 1986-08-29 | 1995-11-13 | 旭光学工業株式会社 | Guide device for flexible printed circuit board in lens shutter type camera |
| JPH0422332Y2 (en) * | 1986-08-29 | 1992-05-21 |
-
1986
- 1986-12-27 JP JP1986200441U patent/JPH0436153Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339216B2 (en) * | 1984-12-05 | 1988-08-04 | Guriko Kyodo Nyugyo Kk | |
| JPS6339217B2 (en) * | 1984-12-05 | 1988-08-04 | Guriko Kyodo Nyugyo Kk |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63106184U (en) | 1988-07-08 |
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