JP3253767B2 - Camera drive - Google Patents
Camera driveInfo
- Publication number
- JP3253767B2 JP3253767B2 JP17346193A JP17346193A JP3253767B2 JP 3253767 B2 JP3253767 B2 JP 3253767B2 JP 17346193 A JP17346193 A JP 17346193A JP 17346193 A JP17346193 A JP 17346193A JP 3253767 B2 JP3253767 B2 JP 3253767B2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- rotating shaft
- input gear
- force
- shaft
- 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 - Fee Related
Links
Landscapes
- Details Of Cameras Including Film Mechanisms (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、カメラの駆動装置、詳
しくは、回転軸部材を具備するカメラの駆動装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera driving device , and more particularly to a camera driving device having a rotating shaft member.
【０００２】[0002]
【従来の技術】従来、特願昭５４−４１６０７号におい
て、モータの回転軸が２点で軸支されて回転する技術手
段が提案されている。また、特開昭６２−１８７３３２
号公報には、スプロケットの回転軸が２点で軸支され、
該スプロケットに付いているギヤーより回転する機構が
開示されている。2. Description of the Related Art Conventionally, Japanese Patent Application No. 54-41607 proposes a technical means in which a rotating shaft of a motor is rotatably supported at two points. Also, Japanese Patent Application Laid-Open No. 62-187332
In the official gazette, the rotating shaft of the sprocket is supported at two points,
A mechanism that rotates from a gear attached to the sprocket is disclosed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記特
願昭５４−４１６０７号における技術手段では、２点軸
支のためウォームギヤーに大きな負荷が加わると軸が曲
る虞がある。また、特開昭６２−１８７３３２号公報に
おける技術手段では、巻上時にスプロケットの回転方向
と逆方向に過負荷が加わると、スプロケットの回転軸が
２点支持のため、曲る虞がある。However, in the technical means disclosed in Japanese Patent Application No. 54-41607, the shaft may be bent when a large load is applied to the worm gear because of the two-point shaft support. In the technical means disclosed in Japanese Patent Application Laid-Open No. 62-187332, if an overload is applied in the direction opposite to the rotation direction of the sprocket during hoisting, the rotation shaft of the sprocket may be bent because it is supported at two points.
【０００４】本発明はかかる問題点に鑑みてなされたも
のであり、ギヤーの回転駆動軸に過負荷が加わった際
に、該回転駆動軸の曲折を防止するカメラの駆動装置を
提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a camera driving device for preventing a bending of a rotary drive shaft when an overload is applied to the rotary drive shaft. Aim.
【０００５】[0005]
【課題を解決するための手段および作用】上記の目的を
達成するために本発明による第１のカメラの駆動装置
は、入力ギヤーと、上記入力ギヤーが一端側に設けら
れ、該入力ギヤーと一体的に回転する回転軸と、上記回
転軸の他端側に設けられ、該回転軸と一体的に回転する
出力ギヤーと、上記回転軸に対し所定の方向に配され、
上記入力ギヤーと係合し、駆動源からの駆動力を該入力
ギヤーに伝達する駆動ギヤーと、上記回転軸に対し上記
所定の方向に配され、上記出力ギヤーと係合し、該出力
ギヤーにより駆動される被駆動ギヤーと、駆動力伝達時
に上記駆動ギヤーと上記入力ギヤーとの係合関係及び上
記出力ギヤーと上記被駆動ギヤーとの係合関係により生
じる夫々のギヤー間距離を離間させる離間力により上記
回転軸が曲折することを防止する曲折防止部と、を具備
し、上記曲折防止部は上記回転軸に沿う方向で、上記入
力ギヤーと上記出力ギヤーとの間に設けられ、上記回転
軸に対しラジアル方向で微少空間を有するように配置さ
れることを特徴とする。上記の目的を達成するために本
発明による第２のカメラの駆動装置は、入力ギヤーと、
上記入力ギヤーが一端側に設けられ、該入力ギヤーと一
体的に回転する回転軸と、上記回転軸の他端側に設けら
れ、該回転軸と一体的に回転する出力ギヤーと、上記回
転軸に対し所定の方向に配され、上記入力ギヤーと係合
し、駆動源からの駆動力を該入力ギヤーに伝達する駆動
ギヤーと、上記出力ギヤーと係合し、該出力ギヤーによ
り駆動される際に上記駆動ギヤーと上記入力ギヤーとの
係合関係により生じる上記駆動ギヤーと上記入力ギヤー
との間の距離を離間させる離間力と略同方向に上記出力
ギヤーに離間力を与える位置に配された被駆動ギヤー
と、上記離間力により上記回転軸が曲折することを防止
する曲折防止部と、を具備し、上記曲折防止部は上記回
転軸に沿う方向で、上記入力ギヤーと上記出力ギヤーと
の間に設けられ、上記回転軸に対しラジアル方向で微少
空間を有するように配置されることを特徴とする。上記
の目的を達成するために本発明による第３のカメラの駆
動装置は、上記第１または第２のカメラの駆動装置にお
いて、上記曲折防止部は、上記回転軸に対し上記離間力
は発生する方向に設けられることを特徴とする。 上記の
目的を達成するために本発明による第４のカメラの駆動
装置は、上記第３のカメラの駆動装置において、上記曲
折防止部は、上記回転軸の外周の一部を覆うように配さ
れることを特徴とする。 Means and operation for solving the problems] driving device of the first camera that by the present invention for achieving the above object
Includes an input gear, the upper fill force gear is provided at one side, a rotary shaft that rotates the input gear integrally provided at the other end of the rotating shaft to rotate integrally with the rotating shaft An output gear , arranged in a predetermined direction with respect to the rotation axis,
Engage with the input gear and apply the driving force from the drive source to the input gear.
The drive gear transmitted to the gear, and the above
A driven gear which is arranged in a predetermined direction, is engaged with the output gear, and is driven by the output gear, an engagement relationship between the drive gear and the input gear at the time of transmitting a driving force, and the output gear and the driven gear. A bend preventing unit that prevents the rotating shaft from being bent by a separating force that separates a distance between the respective gears generated by an engagement relationship with the drive gear, wherein the bend preventing unit is configured to extend in a direction along the rotating shaft. In addition, it is provided between the input gear and the output gear, and is arranged so as to have a minute space in the radial direction with respect to the rotation shaft. Books to achieve the above objectives
A driving device for a second camera according to the invention includes an input gear,
The input gear is provided at one end, and is connected to the input gear.
A rotating shaft that rotates physically, and a rotating shaft provided at the other end of the rotating shaft.
An output gear that rotates integrally with the rotating shaft;
It is arranged in a predetermined direction with respect to the turning shaft and engages with the input gear
Drive to transmit the driving force from the driving source to the input gear
Gear and the output gear.
When driven, the drive gear and the input gear
The drive gear and the input gear generated by the engagement relationship
The above output in almost the same direction as the separating force to separate the distance between
Driven gear located at a position that applies a separating force to the gear
Prevents the rotating shaft from being bent by the separating force
And a bend preventing part, wherein the bend preventing part is
In the direction along the axis of rotation, the input gear and the output gear
Between the rotary shaft and the radial axis
It is characterized by being arranged to have a space. the above
In order to achieve the object described above, the driving of the third camera according to the present invention is performed.
The driving device is connected to the driving device of the first or second camera.
And the bending prevention unit is configured to apply the separation force to the rotation shaft.
Is provided in a direction in which the occurrence occurs. above
Driving a fourth camera according to the present invention to achieve the object
The apparatus as set forth in the third camera driving device, further comprising:
The fold prevention portion is arranged to cover a part of the outer periphery of the rotation shaft.
It is characterized by being performed.
【０００６】[0006]
【実施例】以下、図面を参照して本発明の実施例を説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【０００７】図１は、本発明の第１実施例であるフィル
ム給送装置を示した斜視図である。FIG. 1 is a perspective view showing a film feeding apparatus according to a first embodiment of the present invention.
【０００８】図に示すように、モータ１ａは図示しない
カメラ本体に固定され、正逆両方向に回転可能なモータ
であり、その回転軸先端部には図示しないピニオンギヤ
ーが一体に取り付いている。また、該モータ１ａの先端
部には、同モータ１ａの回転軸と同軸上に回転軸を有
し、上記ピニオンギヤーと噛合している公知の遊星歯車
機構１ｂが配設されており、さらに、該遊星歯車機構１
ｂの出力軸には出力ギヤー２が一体に設けられている。As shown in the figure, a motor 1a is fixed to a camera body (not shown) and is rotatable in both forward and reverse directions. A pinion gear (not shown) is integrally attached to the end of the rotating shaft. Further, a known planetary gear mechanism 1b having a rotation axis coaxially with the rotation axis of the motor 1a and meshing with the pinion gear is disposed at the tip of the motor 1a. The planetary gear mechanism 1
The output gear 2 is provided integrally with the output shaft b.
【０００９】一方、カメラ本体の一側方に形成されたス
プール室にはフィルムを巻上げる巻取スプール（図示せ
ず）が回動可能に配設されており、該巻取スプールの一
端には、該巻取スプールと一体的に回動するスプールギ
ヤー４が配設されている。On the other hand, a take-up spool (not shown) for taking up a film is rotatably disposed in a spool chamber formed on one side of the camera body. One end of the take-up spool is provided at one end of the take-up spool. A spool gear 4 that rotates integrally with the take-up spool is provided.
【００１０】上記モータ１ａの中心軸と略平行には、回
転駆動軸３ａが配設され、該回転駆動軸３ａにおける上
記出力ギヤー２に対向する位置には、該出力ギヤー２と
噛合可能な入力ギヤー３ｂが、また、上記スプールギヤ
ー４と対向する位置にはＳＰウォームギヤー３ｃがそれ
ぞれ該回転駆動軸３ａと一体的に回動するように配設さ
れている。なお、上記入力ギヤー３ｂおよびＳＰウォー
ムギヤー３ｃは、上記回転駆動軸３ａに回転駆動力を伝
達し、または伝達されるものであれば、上記回転駆動軸
３ａと別に設けられ、一体に配設されてなくてもかまわ
ない。A rotary drive shaft 3a is disposed substantially parallel to the central axis of the motor 1a. An input gear meshable with the output gear 2 is provided at a position on the rotary drive shaft 3a facing the output gear 2. A gear 3b is provided at a position facing the spool gear 4 so that an SP worm gear 3c is rotated integrally with the rotary drive shaft 3a. The input gear 3b and the SP worm gear 3c are provided separately from the rotary drive shaft 3a and are integrally disposed as long as the input gear 3b and the SP worm gear 3c transmit or transmit the rotary drive force to the rotary drive shaft 3a. You don't have to.
【００１１】また、上記回転駆動軸３ａの一端部、すな
わち、上記入力ギヤー３ｂのさらに先端部は、カメラ本
体（図示せず）に固定された軸支持部材５ａと該軸支持
部材５ａの一端と係合する軸支持部材６ａとで形成され
る軸受け部に回動可能に軸支されている。Further, one end of the rotary drive shaft 3a, that is, the further end of the input gear 3b, is connected to a shaft support member 5a fixed to a camera body (not shown) and one end of the shaft support member 5a. It is rotatably supported by a bearing formed by the shaft support member 6a to be engaged.
【００１２】図２は、該軸支持部材５ａ，軸支持部材６
ａで形成される軸受け部に上記回転駆動軸３ａが挿通し
ている状態を示した要部側面図である。FIG. 2 shows the shaft support members 5a and 6
FIG. 4 is a side view of a main part showing a state in which the rotation drive shaft 3a is inserted into a bearing formed by a.
【００１３】図に示すように、上記軸支持部材５ａ一端
における上記軸支持部材６ａとの係合部には、Ｕ字溝が
形成されており、該Ｕ字溝と該軸支持部材６ａの係合面
とで上記軸受け部が形成される。As shown in the drawing, a U-shaped groove is formed in an engagement portion of the shaft support member 5a at one end with the shaft support member 6a, and an engagement between the U-shaped groove and the shaft support member 6a is formed. The bearing portion is formed with the mating surface.
【００１４】さらに、上記回転駆動軸３ａの他端方向、
すなわち、上記ＳＰウォームギヤー３ｃのさらに先端方
向には、上記軸支持部材５ａ，軸支持部材６ａと同様な
形状を呈する軸支持部材５ｂ，軸支持部材６ｂがカメラ
本体に固定されており、上記同様に、該軸支持部材５ｂ
のＵ字溝と軸支持部材６ｂとで形成される軸受け部で該
回転駆動軸３ａの他端部を回動可能に軸支している。Further, the direction of the other end of the rotary drive shaft 3a,
In other words, a shaft supporting member 5b and a shaft supporting member 6b having the same shape as the shaft supporting member 5a and 6a are fixed to the camera body in a further distal direction of the SP worm gear 3c. The shaft support member 5b
The other end of the rotation drive shaft 3a is rotatably supported by a bearing formed by the U-shaped groove and the shaft support member 6b.
【００１５】上記入力ギヤー３ｂとＳＰウォームギヤー
３ｃとの間であって、該入力ギヤー３ｂおよびＳＰウォ
ームギヤー３ｃの近傍には、それぞれ上記回転駆動軸３
ａの曲折防止部材７ａ，７ｂが配設されている。The rotary drive shaft 3 is located between the input gear 3b and the SP worm gear 3c and near the input gear 3b and the SP worm gear 3c.
The bending prevention members 7a and 7b of a are provided.
【００１６】図３は、上記曲折防止部材７ａ，７ｂと回
転駆動軸３ａとの位置関係を示した要部側面図である。FIG. 3 is a side view of a main part showing a positional relationship between the bending preventing members 7a and 7b and the rotary drive shaft 3a.
【００１７】該曲折防止部材７ａ，７ｂは、基端側がカ
メラ本体に固定され、先端部の上記回転駆動軸３ａに対
向する部分には切欠部が形成されており、該回転駆動軸
３ａとラジアル方向に微小な隙間を有する空間が形成さ
れている。The bending preventing members 7a and 7b have a base end fixed to the camera body, and a notch formed at a portion of the distal end opposed to the rotary drive shaft 3a, and are radially connected to the rotary drive shaft 3a. A space having a small gap in the direction is formed.
【００１８】このような構成を有する本第１実施例のフ
ィルム給送装置では、上記モータ１ａの回転駆動力が公
知の遊星歯車機構１ｂ，出力ギヤー２を介して、入力ギ
ヤー３ｂに伝達され、さらに、回転駆動軸３ａ，ＳＰウ
ォームギヤー３ｃを経てスプールギヤー４に伝達され
る。In the film feeding apparatus of the first embodiment having such a configuration, the rotational driving force of the motor 1a is transmitted to the input gear 3b through the well-known planetary gear mechanism 1b and the output gear 2. Further, it is transmitted to the spool gear 4 via the rotary drive shaft 3a and the SP worm gear 3c.
【００１９】図４は、上記図１におけるＡ−Ａ断面を示
した要部断面図である。FIG. 4 is a cross-sectional view of an essential part showing a cross section AA in FIG.
【００２０】図４に示すように、上記入力ギヤー３ｂ
は、モータ１ａからの駆動力により出力ギヤー２からＦ
Ｇという力を受け、これにより軸支持部材５ａ，６ａに
は該回転駆動軸３ａから力Ｆａが加わる（図２参照）。
この力Ｆａが回転駆動軸３ａを曲げるに値する力である
場合、該回転駆動軸３ａが曲がった際に、同回転駆動軸
３ａを曲折防止部材７ａで受け、入力ギヤー３ｂに加わ
っている力を軸支持部材５ａ，６ａおよび曲折防止部材
７ａの２点で回転可能に受けるようになっている。As shown in FIG. 4, the input gear 3b
From the output gear 2 by the driving force from the motor 1a.
As a result, a force Fa is applied to the shaft supporting members 5a and 6a from the rotary drive shaft 3a (see FIG. 2).
When this force Fa is a force worthy of bending the rotary drive shaft 3a, when the rotary drive shaft 3a is bent, the rotary drive shaft 3a is received by the bending preventing member 7a, and the force applied to the input gear 3b is reduced. The shaft supporting members 5a and 6a and the bending preventing member 7a are rotatably received at two points.
【００２１】図６は、上記第１実施例において、回転駆
動軸に曲げ駆動力が加わった際の、軸支持部材５ａ，軸
支持部材６ａで形成される軸受け部に上記回転駆動軸３
ａが挿通している状態を示した要部側面図である。ま
た、図７は、同回転駆動軸に曲げ駆動力が加わった際
の、曲折防止部材７ａ，７ｂと回転駆動軸３ａとの位置
関係を示した要部側面図である。なお、図中、符号ｆ1
a，ｆ1b，ｆ2a，ｆ2bは、それぞれ軸変形後に軸受け部
に加わっている力を示す。 FIG. 6 shows a state in which the rotary drive shaft 3 is mounted on the bearing formed by the shaft support members 5a and 6a when a bending drive force is applied to the rotary drive shaft in the first embodiment.
It is the principal part side view which showed the state which a has penetrated. FIG. 7 is a side view of a main part showing a positional relationship between the bending preventing members 7a and 7b and the rotary drive shaft 3a when a bending drive force is applied to the rotary drive shaft. In the figure, the symbol f1
a, f1b, f2a, f2b are the bearing parts after the shaft deformation, respectively.
Indicates the force acting on the.
【００２２】図５は、上記図１におけるＢ−Ｂ断面を示
した要部断面図である。FIG. 5 is a cross-sectional view of a main part showing a cross section taken along line BB in FIG.
【００２３】上記ＳＰウォームギヤー３ｃも上記入力ギ
ヤー３ｂと同様に、図５に示すように、モータ１ａから
の駆動力によりスプールギヤー４からＦｓｐという力を
受け、これにより軸支持部材５ｂ，６ｂには該回転駆動
軸３ａから力Ｆｂが加わる（図２参照）。この力Ｆｂが
回転駆動軸３ａを曲げるに値する力である場合、該回転
駆動軸３ａが曲がった際に、同回転駆動軸３ａを曲折防
止部材７ｂで受け、ＳＰウォームギヤー３ｃに加わって
いる力を軸支持部材５ｂ，６ｂおよび曲折防止部材７ｂ
の２点で回転可能に受けるようになっている（図６，図
７参照）。As shown in FIG. 5, the SP worm gear 3c also receives the force Fsp from the spool gear 4 by the driving force from the motor 1a, as in the case of the input gear 3b, whereby the shaft support members 5b and 6b Applies a force Fb from the rotary drive shaft 3a (see FIG. 2). When this force Fb is a force worthy of bending the rotary drive shaft 3a, when the rotary drive shaft 3a is bent, the rotary drive shaft 3a is received by the bending preventing member 7b and is applied to the SP worm gear 3c. To the shaft supporting members 5b, 6b and the bending prevention member 7b.
(See FIGS. 6 and 7).
【００２４】この第１実施例のフィルム給送装置による
と、入力ギヤー３ｂおよびＳＰウォームギヤー３ｃに対
して、回転駆動軸３ａを曲げる程度の過負荷が加わり、
これにより、該回転駆動軸３ａが曲がっても、上記曲折
防止部材７ａ，７ｂの先端部に当接することにより、該
回転駆動軸３ａが軸支持部材５ａ，５ｂ，６ａ，６ｂに
加えていた力を該軸支持部材５ａ，５ｂ，６ａ，６ｂと
該曲折防止部材７ａ，７ｂで受けることにより分散で
き、該回転駆動軸３ａの更なる曲げを防ぐことができ
る。したがって、ギヤー手段の回転軸の曲折を防止でき
る。According to the film feeder of the first embodiment, an overload is applied to the input gear 3b and the SP worm gear 3c to the extent that the rotary drive shaft 3a is bent.
As a result, even if the rotary drive shaft 3a is bent, the rotary drive shaft 3a abuts on the distal ends of the bending preventing members 7a and 7b, thereby applying the force applied by the rotary drive shaft 3a to the shaft support members 5a, 5b, 6a and 6b. Is received by the shaft supporting members 5a, 5b, 6a, 6b and the bending preventing members 7a, 7b, whereby the bending of the rotary drive shaft 3a can be prevented. Therefore, bending of the rotating shaft of the gear means can be prevented.
【００２５】図８（ａ）は、本発明の第２実施例のフィ
ルム給送装置を示す斜視図である。FIG. 8A is a perspective view showing a film feeding apparatus according to a second embodiment of the present invention.
【００２６】この第２実施例は、上記第１実施例に対し
て曲折防止部材の形状，配置箇所が異なっている他は、
該第１実施例と同様な構成をなしている。The second embodiment differs from the first embodiment in that the shape and arrangement of the bending preventing member are different.
The configuration is the same as that of the first embodiment.
【００２７】同図８（ｂ）は、本第２実施例における曲
折防止部材１７と回転駆動軸３ａとの位置関係を示した
要部側面図である。FIG. 8B is a side view of a main part showing a positional relationship between the bending preventing member 17 and the rotary drive shaft 3a in the second embodiment.
【００２８】この図に示すように、該曲折防止部材１７
の先端部と回転駆動軸３ａとの間には、上記第１実施例
と同様な微小な空間が形成されており、同様な効果を奏
することができる。As shown in FIG.
A minute space similar to that of the first embodiment is formed between the distal end of the motor and the rotary drive shaft 3a, and the same effect can be obtained.
【００２９】図９（ａ）は、本発明の第３実施例のフィ
ルム給送装置を示す斜視図である。FIG. 9A is a perspective view showing a film feeding apparatus according to a third embodiment of the present invention.
【００３０】この第３実施例は、上記第１実施例に対し
て曲折防止部材の形状が異なっている他は、該第１実施
例と同様な構成をなしている。The third embodiment has the same structure as that of the first embodiment except that the shape of the bending preventing member is different from that of the first embodiment.
【００３１】同図９（ｂ）は、本第３実施例における曲
折防止部材２７ａ，２７ｂと回転駆動軸３ａとの位置関
係を示した要部側面図である。FIG. 9B is a side view of a main portion showing a positional relationship between the bending preventing members 27a and 27b and the rotary drive shaft 3a in the third embodiment.
【００３２】この図に示すように、該曲折防止部材２７
ａ，２７ｂの先端部には回転駆動軸３ａを受けるように
Ｕ字溝が形成されており、上記第１実施例と同様に、該
Ｕ字溝と回転駆動軸３ａとの間には微小な空間が形成さ
れており、同様な効果を奏することができる。As shown in FIG.
A U-shaped groove is formed at the end of each of the a and 27b so as to receive the rotary drive shaft 3a. As in the first embodiment, a minute groove is formed between the U-shaped groove and the rotary drive shaft 3a. Since a space is formed, a similar effect can be obtained.
【００３３】図１０は、本発明の第４実施例のフィルム
給送装置を示す斜視図である。FIG. 10 is a perspective view showing a film feeding apparatus according to a fourth embodiment of the present invention.
【００３４】上記第１実施例が２つの曲折防止部材を配
設していたのに対し、この第４実施例は該曲折防止部材
を入力ギヤー３ｂの近傍に１つ設けている。その他の構
成は、上記第１実施例と同様である。While the first embodiment has two bend preventing members, the fourth embodiment has one bend preventing member near the input gear 3b. Other configurations are the same as in the first embodiment.
【００３５】この第４実施例では、より少ない部材で上
記第１実施例と同様な効果を奏するようになっている。In the fourth embodiment, the same effect as that of the first embodiment can be obtained with a smaller number of members.
【００３６】[0036]
【発明の効果】以上説明したように本発明によれば、ギ
ヤーの回転駆動軸に過負荷が加わった際に、該回転駆動
軸の曲折を防止するカメラの駆動装置を提供できる。As described above, according to the present invention, it is possible to provide a camera driving device which prevents a bending of a rotary drive shaft when an overload is applied to the rotary drive shaft.
【図１】本発明の第１実施例であるフィルム給送装置を
示した斜視図である。FIG. 1 is a perspective view showing a film feeding apparatus according to a first embodiment of the present invention.
【図２】上記第１実施例における、軸支持部材の軸受け
部に回転駆動軸が挿通している状態を示した要部側面図
である。FIG. 2 is a side view of a main part of the first embodiment, showing a state where a rotary drive shaft is inserted into a bearing portion of a shaft support member.
【図３】上記第１実施例における曲折防止部材と回転駆
動軸との位置関係を示した要部側面図である。FIG. 3 is a side view of a main part showing a positional relationship between a bending preventing member and a rotary drive shaft in the first embodiment.
【図４】上記図１におけるＡ−Ａ断面を示した要部断面
図である。FIG. 4 is a sectional view of an essential part showing a section taken along the line AA in FIG. 1;
【図５】上記図１におけるＢ−Ｂ断面を示した要部断面
図である。FIG. 5 is a cross-sectional view of a main part showing a BB cross section in FIG. 1;
【図６】上記第１実施例において、回転駆動軸に曲げ駆
動力が加わった際の、軸支持部材の軸受け部に回転駆動
軸が挿通している状態を示した要部側面図である。FIG. 6 is a main part side view showing a state where the rotary drive shaft is inserted into the bearing portion of the shaft support member when a bending drive force is applied to the rotary drive shaft in the first embodiment.
【図７】上記第１実施例において、回転駆動軸に曲げ駆
動力が加わった際の、曲折防止部材と回転駆動軸との位
置関係を示した要部側面図である。FIG. 7 is a side view of a main part showing a positional relationship between the bending preventing member and the rotary drive shaft when a bending drive force is applied to the rotary drive shaft in the first embodiment.
【図８】（ａ）は、本発明の第２実施例のフィルム給送
装置を示す斜視図であり、（ｂ）は、本第２実施例にお
ける曲折防止部材と回転駆動軸との位置関係を示した要
部側面図である。FIG. 8A is a perspective view showing a film feeding device according to a second embodiment of the present invention, and FIG. 8B is a positional relationship between a bending preventing member and a rotation drive shaft according to the second embodiment. It is the principal part side view which showed.
【図９】（ａ）は、本発明の第３実施例のフィルム給送
装置を示す斜視図であり、（ｂ）は、本第３実施例にお
ける曲折防止部材と回転駆動軸との位置関係を示した要
部側面図である。FIG. 9A is a perspective view showing a film feeding device according to a third embodiment of the present invention, and FIG. 9B is a positional relationship between a bending preventing member and a rotary drive shaft according to the third embodiment. It is the principal part side view which showed.
【図１０】本発明の第４実施例のフィルム給送装置を示
す斜視図である。FIG. 10 is a perspective view showing a film feeding apparatus according to a fourth embodiment of the present invention.
１ａ…モータ １ｂ…遊星歯車機構 ２…出力ギヤー ３ａ…回転駆動軸 ３ｂ…入力ギヤー ３ｃ…ＳＰウォームギヤー ４…スプールギヤー ５ａ，５ｂ…軸支持部材 ６ａ，６ｂ…軸支持部材 ７ａ，７ｂ…曲折防止部材 1a: motor 1b: planetary gear mechanism 2: output gear 3a: rotary drive shaft 3b: input gear 3c: SP worm gear 4: spool gear 5a, 5b: shaft support member 6a, 6b: shaft support member 7a, 7b: bending prevention Element
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平５−122897（ＪＰ，Ａ) 実開 昭63−155127（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-122897 (JP, A) JP-A 63-155127 (JP, U)
Claims (4)
体的に回転する回転軸と、 上記回転軸の他端側に設けられ、該回転軸と一体的に回
転する出力ギヤーと、上記回転軸に対し所定の方向に配され、上記入力ギヤー
と係合し、駆動源からの駆動力を該入力ギヤーに伝達す
る駆動ギヤーと、 上記回転軸に対し上記所定の方向に配され、 上記出力ギ
ヤーと係合し、該出力ギヤーにより駆動される被駆動ギ
ヤーと、駆 動力伝達時に上記駆動ギヤーと上記入力ギヤーとの係
合関係及び上記出力ギヤーと上記被駆動ギヤーとの係合
関係により生じる夫々のギヤー間距離を離間させる離間
力により上記回転軸が曲折することを防止する曲折防止
部と、 を具備し、 上記曲折防止部は上記回転軸に沿う方向で、上記入力ギ
ヤーと上記出力ギヤーとの間に設けられ、上記回転軸に
対しラジアル方向で微少空間を有するように配置される
ことを特徴とするカメラの駆動装置。And 1. A input gear, the upper fill force gear is provided at one side, a rotary shaft that rotates the input gear integrally provided at the other end of the rotating shaft, integrally with the rotating shaft An output gear that rotates in a predetermined direction with respect to the rotation shaft;
To transmit the driving force from the driving source to the input gear.
A drive gear that, the rotating shaft to be arranged in the predetermined direction, engages and the output gear, and a driven gear driven by said output gear, said drive gear when driving power transmission and the said input gear A bend preventing unit that prevents the rotating shaft from being bent by a separation force that separates a distance between the respective gears generated by the engagement relationship between the output gear and the driven gear. The camera, wherein the bend preventing portion is provided between the input gear and the output gear in a direction along the rotation axis, and is arranged so as to have a minute space in a radial direction with respect to the rotation axis. Drive.
体的に回転する回転軸と、 上記回転軸の他端側に設けられ、該回転軸と一体的に回
転する出力ギヤーと、 上記回転軸に対し所定の方向に配され、上記入力ギヤー
と係合し、駆動源からの駆動力を該入力ギヤーに伝達す
る駆動ギヤーと、 上記出力ギヤーと係合し、該出力ギヤーにより駆動され
る際に上記駆動ギヤーと上記入力ギヤーとの係合関係に
より生じる上記駆動ギヤーと上記入力ギヤーとの間の距
離を離間させる離間力と略同方向に上記出力ギヤーに離
間力を与える位置に配された被駆動ギヤーと、 上記離間力により上記回転軸が曲折することを防止する
曲折防止部と、 を具備し、 上記曲折防止部は上記回転軸に沿う方向で、上記入力ギ
ヤーと上記出力ギヤーとの間に設けられ、上記回転軸に
対しラジアル方向で微少空間を有するように配置される
ことを特徴とする カメラの駆動装置。2. An input gear, wherein the input gear is provided at one end side, and is connected to the input gear.
A rotating shaft that rotates physically, and a rotating shaft that is provided at the other end of the rotating shaft and rotates integrally with the rotating shaft
An output gear that rotates , and an input gear that is disposed in a predetermined direction with respect to the rotation shaft,
To transmit the driving force from the driving source to the input gear.
Drive gear, which is engaged with the output gear, and is driven by the output gear.
The engagement relationship between the drive gear and the input gear
Resulting distance between the drive gear and the input gear
Release to the output gear in the same direction as the separation force to separate the separation.
A driven gear disposed at a position for applying an intermediate force, and preventing the rotating shaft from being bent by the separating force.
Comprising a bent preventing portion, the bent prevention part in a direction along said rotation shaft, the input formate
Gear and the output gear, and
It is arranged to have a small space in the radial direction
A driving device for a camera, comprising:
離間力が発生する方向に設けられることを特徴とする請
求項１または２に記載のカメラの駆動装置。3. The anti-bending portion is provided with respect to the rotating shaft.
The contractor is provided in a direction in which a separating force is generated.
3. The camera driving device according to claim 1 or 2 .
部を覆うように配されることを特徴とする請求項３に記
載のカメラの駆動装置。 4. The anti-bending portion is provided on one side of the outer periphery of the rotating shaft.
4. The device according to claim 3, wherein the cover is arranged to cover the portion.
The driving device of the camera.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17346193A JP3253767B2 (en) | 1993-07-13 | 1993-07-13 | Camera drive |
| US08/249,530 US5640636A (en) | 1993-05-27 | 1994-05-26 | Camera |
| US08/575,702 US5671457A (en) | 1919-07-05 | 1995-12-19 | Camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17346193A JP3253767B2 (en) | 1993-07-13 | 1993-07-13 | Camera drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0728140A JPH0728140A (en) | 1995-01-31 |
| JP3253767B2 true JP3253767B2 (en) | 2002-02-04 |
Family
ID=15960909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17346193A Expired - Fee Related JP3253767B2 (en) | 1919-07-05 | 1993-07-13 | Camera drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3253767B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113366927A (en) * | 2019-07-15 | 2021-09-07 | 深圳市柔宇科技股份有限公司 | Folding device and electronic equipment |
-
1993
- 1993-07-13 JP JP17346193A patent/JP3253767B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728140A (en) | 1995-01-31 |
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