JPS5878172A - Optical scanner - Google Patents
Optical scannerInfo
- Publication number
- JPS5878172A JPS5878172A JP17675581A JP17675581A JPS5878172A JP S5878172 A JPS5878172 A JP S5878172A JP 17675581 A JP17675581 A JP 17675581A JP 17675581 A JP17675581 A JP 17675581A JP S5878172 A JPS5878172 A JP S5878172A
- Authority
- JP
- Japan
- Prior art keywords
- optical scanning
- carriage
- light source
- elastic member
- optical
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 238000005286 illumination Methods 0.000 claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 230000035605 chemotaxis Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 108091008695 photoreceptors Proteins 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 241001415801 Sulidae Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Abstract
Description
【発明の詳細な説明】
（１）技術分野
本発明は、複写機等の光学走査装置に関するものである
。DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field The present invention relates to an optical scanning device such as a copying machine.
（２）背景
ある種の形式の電子写真複写機では１例えば、光源やミ
ラー等を積載した光学走査キャリッジを原稿定食方向に
往復動させて原稿のスリット照明走電を行ない、その反
射光を感光体へ導ひいて結像露光を行なっている。(2) Background In some types of electrophotographic copying machines, for example, an optical scanning carriage loaded with a light source, a mirror, etc. is reciprocated in the direction of document scanning to illuminate the document with a slit, and the reflected light is exposed to light. It is guided to the body for imaging exposure.
第１図はこの種の電子写真複写機の一例を示していて、
牙ｌ光学走査キャリッジ２１は、照明光源２３、反射板
２４および矛１ミラー２５等を積載し。Figure 1 shows an example of this type of electrophotographic copying machine.
The optical scanning carriage 21 carries an illumination light source 23, a reflector 24, a mirror 25, etc.
矛２光学走査キャリッジ２２は、矛２ミラー２６および
第３ミラー２７を積載し、３・１および、ｉ’２光学走
青キャリッジ２１．２２は、ガイド軸２８に案内さねて
、そわそわ矢印方向に２：１の速度比をもって往動する
ようになっている。この往動の間、照明光源２３は原稿
Ｏの面をスリット状に照明しつつ。The spear 2 optical scanning carriage 22 loads the spear 2 mirror 26 and the third mirror 27, and the 3.1 and i'2 optical scanning carriages 21 and 22 are not guided by the guide shaft 28 and are moved in the direction of the arrow. It is designed to move forward with a speed ratio of 2:1. During this forward movement, the illumination light source 23 illuminates the surface of the original O in a slit shape.
その照明走査を行ない、走査光は、矛１ミラー２５゜３
・２ミラー２６．１−３ミラー２７．結像レンズ２９お
よび第４ミラー３０等を介して、感光体ドラム３１へ導
ひかね、感光体ドラムに対して露光が行７’＋′＃）ｉ
する。The illumination scan is performed, and the scanning light is
・2 mirrors 26.1-3 mirrors 27. The light is not guided to the photoreceptor drum 31 through the imaging lens 29 and the fourth mirror 30, and the photoreceptor drum is exposed to the line 7'+'#)i.
do.
矛２図において、駆動モータ３３は、例、ｔ （ｄ、サ
ーボモータからなり、正転および逆転するようになって
いる。駆動モータ３３のモータプーリ３３ａには、実線
で示す駆動ワイヤ系３４と、破線で示す駆動ワイヤ系３
５との一端および一端がそわぞＪ１係止されている。な
お、一方の駆動ワイヤ系３５ニ関しては、他方の駆動ワ
イヤ系３４と区別するために、便宜上、破線で示すこと
とした。In Figure 2, the drive motor 33 is, for example, a servo motor, and is configured to rotate in the forward and reverse directions. Drive wire system 3 shown in broken lines
5 and one end are locked to the fissure J1. Note that one drive wire system 35 is shown by a broken line for convenience in order to distinguish it from the other drive wire system 34.
川ｒる一対の駆動ワイヤ系３４．３５のうち、一方の駆
動ワイヤ系３４は、ワイヤループとして、ワイヤプーリ
３６． ３７． ４０． ４２． ４４． ４０． ３
８゜３９ Ｋそわぞね掛は渡されて張設される。また
、他方の駆動ワイヤ系３５（破線）は、同じく、ワイヤ
ループとして、ワイヤプーリ３６． ４］、 ４３゜
４５、 ４１． ３９ Ｋそれぞれ掛は渡さねて張設
される。Of the pair of drive wire systems 34, 35, one of the drive wire systems 34 is connected to a wire pulley 36.35 as a wire loop. 37. 40. 42. 44. 40. 3
8゜39 K Sowazo-kake will be handed over and set up. Similarly, the other drive wire system 35 (broken line) includes a wire pulley 36. 4], 43°45, 41. 39 K each hook is stretched without passing.
オｌおよび矛２光学走査キャリッジ２］、２２は。optical scanning carriage 2], 22;
この長手方向が同キャリッジの往復動方向と直交する方
向に配設さね、第１光学走査キヤリツジ２１の、上記長
手方向の一端部には一方の駆動ワイヤ系３４が直結さね
、その一端部と反対側の他端部には他方の駆動ワイヤ系
３５が直結されている。また。The longitudinal direction of the first optical scanning carriage 21 is disposed in a direction perpendicular to the reciprocating direction of the carriage, and one drive wire system 34 is directly connected to one end of the first optical scanning carriage 21 in the longitudinal direction. The other drive wire system 35 is directly connected to the other end on the opposite side. Also.
矛２光学走食キャリッジ２２の一端部には、プーリ４０
か回転自在に軸装され、他端部にはプーリ４１か同
じく回転自在に軸装されている。A pulley 40 is attached to one end of the spear 2 optical running carriage 22.
A pulley 41 is also rotatably mounted on the other end.
駆動モータ３３が正逆回転すると１両駆動ワイヤ系３４
．３５は、駆動モータ３３の回転駆動力を光学定食キャ
リッジ２１．２２に伝達して、同キャリッジを往復駆動
せしめる。この場合、ワイヤプーリ４０．４１の、動滑
車としての機能により、矛１および第２光学走虹キャリ
ッジ２１．２２は、そわそわ２：１の速度比で移動する
。When the drive motor 33 rotates forward and backward, the single drive wire system 34
．． 35 transmits the rotational driving force of the drive motor 33 to the optical set meal carriages 21 and 22 to drive the carriages back and forth. In this case, due to the function of the wire pulley 40.41 as a movable pulley, the spear 1 and the second optical rainbow carriage 21.22 move at a speed ratio of 2:1.
なお、変倍複写時には、変倍位置調整用モータ４７
が回転して、プーリ４０，４１が矢印方向の選択的位置
に移動するようになづ・ており、１・２光学走査キヤリ
ツジ２２の光学位置が、牙１光学走食キャリッジ２１の
位置に対して相対的に変倍率に応じて変更されるように
なっている。なお、絆稿走査時においては、変倍位置調
整用モータ４７は停止していてワイヤプーリ４４，４５
が回転し得ないようにそれをロックせしめている。Note that during variable magnification copying, the variable magnification position adjustment motor 47
is rotated to move the pulleys 40, 41 to selective positions in the direction of the arrows such that the optical position of the 1/2 optical scanning carriage 22 is adjusted relative to the position of the fang 1 optical scanning carriage 21. It is designed to be relatively changed according to the magnification ratio. It should be noted that when scanning the paper, the variable magnification position adjustment motor 47 is stopped and the wire pulleys 44, 45
is locked so that it cannot rotate.
このよ５に、ｉｌおよび矛２光学走査キャリッジ２１．
２２は、駆動モータ３３１両駆動ワイヤ系３４・３５．
ワイヤブーり系等から構成される駆動手段により、往復
駆動さね、こねは比較的、高速で行なわれるようになっ
ており、従来、この種の光学走査装置においては、次に
述べるような問題があった。In this way, the ill and spear two optical scanning carriages 21.
22 is a drive motor 331 and both drive wire systems 34, 35.
The reciprocating motion of kneading and kneading is performed at a relatively high speed using a drive means composed of a wire booby system, etc. Conventionally, this type of optical scanning device has the following problems. there were.
その問題は、所定の質量を有する光学走査キャリッジが
、往復走行時において特に加鰺瀉さＪするとき、振動を
伴なうことである。例えは、光学走査キャリッジが往動
開始位置から往動を始めて所定の速度に立ち上がるとき
１両駆動ワイヤ系３４゜３５ は、所定質量の光学走査
キャリッジを引くことになり、この場合１両ワイヤ系に
は弾性的な延びを生じ、また、光学走査キャリッジが定
常速度になったとき、その延びは復元することになり。The problem is that an optical scanning carriage of a given mass is accompanied by vibrations during reciprocating travel, especially when moving. For example, when the optical scanning carriage starts forward movement from the forward movement start position and rises to a predetermined speed, the one-double drive wire system 34.35 will pull the optical scanning carriage of a predetermined mass. will undergo elastic elongation, and the elongation will be restored when the optical scanning carriage reaches steady speed.
このような現象を生じることは、光学走査キャリッジに
振動を発生させることになる。The occurrence of such a phenomenon causes vibrations in the optical scanning carriage.
例えば、〕・１図において、第１光学走査キヤリツジ２
１が振動すると、照明光源２３は光学走査キャリッジ２
１に直接、固定的に取付けられているため。For example, in Figure 1, the first optical scanning carriage 2
1 oscillates, the illumination source 23 causes the optical scanning carriage 2
Because it is directly and fixedly attached to 1.
その振動は照明光源２３に＠接的に伝達される。照明光
源２３が振動すると、ランプ寿命を低下させるばかりで
なく、坤稿照明精度を低下させ、感光体に対しての均一
露光が行なえなくなって１画像形成にも悪影響を及ぼす
。The vibration is directly transmitted to the illumination light source 23. When the illumination light source 23 vibrates, it not only shortens the life of the lamp, but also lowers the precision of illumination, making it impossible to uniformly expose the photoreceptor, and having an adverse effect on image formation.
斯る問題に関しては、往復動する照明光源によって、送
信原稿を照明走査するファクシミリ装置等においても共
通する点である。This problem is also common in facsimile machines and the like in which a document to be transmitted is illuminated and scanned by a reciprocating illumination light source.
（３）目的
本発明に、斯る問題点を解決した。複写機等の光学走査
装置を提供することを目的とする。(3) Objective The present invention has solved these problems. The purpose of the present invention is to provide an optical scanning device such as a copying machine.
以下、最も好ましい実施例をもって本発明を説明する。The present invention will be explained below with reference to the most preferred embodiments.
（４）実施例
３１３図において、照明光源２３は１反射板２４ＩＣ固
定的に取り付けらね、この反射板２４は、照明光源を固
定支持する照明光源支持体を構成し、照明光源の支持機
能と、照明光源からの光の反射呆光機能との両機能を併
せもつものである。(4) Embodiment 3 In FIG. 13, the illumination light source 23 is fixedly attached to one reflection plate 24IC, and this reflection plate 24 constitutes an illumination light source support that fixedly supports the illumination light source, and has the function of supporting the illumination light source. It has both the function of reflecting light from the illumination light source and the function of suppressing light.
光学走置キャリッジ２１と反射板２４とは、弾トド部材
７０を介して結合さね、この弾性部材７０は、光学炬”
ｉＦ：キャリッジ２１が走行するときに発生する振動を
、光学走査キャリ２２２１９反射板２４間で吸収する弾
性ゴムから成っている。The optical carriage 21 and the reflection plate 24 are coupled via an elastic member 70, and this elastic member 70 is connected to the optical rod.
iF: Made of elastic rubber that absorbs vibrations generated when the carriage 21 travels between the optical scanning carrier 22219 and the reflecting plate 24.
即ち１弾性部材７０の上端および下端には、金楓性又は
合成樹脂性のマウン）７１．７２が固定され。That is, to the upper and lower ends of the first elastic member 70, gold maple or synthetic resin mounds 71 and 72 are fixed.
コノ両マウン）７１．７２を介して、矛４図に示す如く
、リベット７３．７４により１反射板２４と、光学走査
キャリッジとがそれぞわ固定結合さ第１や。As shown in Figure 4, the first reflecting plate 24 and the optical scanning carriage are fixedly coupled to each other by rivets 73 and 74 through the two mounts 71 and 72, respectively.
弾性部材７０は、減衰特性を有し、た弾性のあるゴムか
ら成っていて、最も好まし・・い材料としては。The elastic member 70 is made of elastic rubber having damping properties, and is the most preferred material.
例えば、クロロプレンゴムなどを挙げることができる。For example, chloroprene rubber can be mentioned.
この弾性部材７０＆１１．矛４図において２点鎖線で示
す如く、その剪断方向に弾性的に変形可能で、この変形
方向は光学走査キャリッジの移動方向に一致している。These elastic members 70 & 11. As shown by the two-dot chain line in Figure 4, it is elastically deformable in the shearing direction, and this deformation direction coincides with the moving direction of the optical scanning carriage.
矛５図は別の実施例を示しており１反射板２４と。Figure 5 shows another embodiment, in which one reflector plate 24 is used.
光学走置キャリッジ２１とは、キャリッジ上面と反射板
の延出部２４ａの下面とにおいて、互に摩擦接触結合さ
ね、この両者は１両スタッド７６．７７間に一端および
他端をそわぞわ係止された緊縮性のばね７８によって結
合さねている。このようなばね７８ の如き弾性部材を
用いても所期の目的が達成されるのである。The optical carriage 21 is friction-contacted with the upper surface of the carriage and the lower surface of the extending portion 24a of the reflection plate, and the two ends are held together with one end and the other end between the two studs 76 and 77. They are held together by a locked tension spring 78. Even if an elastic member such as the spring 78 is used, the desired purpose can be achieved.
ｓ−６図は、光学走査キャリッジの往復動時の速成特性
曲線の典型的な例を示しており、この往復動時において
キャリッジ速度が極端＃ＩＣｆ動するとき、光学定食キ
ャリッジは振動を生じ易くなる。Figure s-6 shows a typical example of the speed characteristic curve during reciprocating motion of the optical scanning carriage, and when the carriage speed moves to an extreme #ICf during this reciprocating motion, the optical fixed meal carriage is likely to cause vibration. Become.
２７図は、光学走査キャリッジに付与される加振周波数
と、こねに対する同キャリッジの振動振幅との相互関係
を示し文いる。FIG. 27 shows the interrelationship between the excitation frequency applied to the optical scanning carriage and the vibration amplitude of the same carriage with respect to kneading.
曲ｗ８０は１反射板２４と、光学走査キャリッジ２１と
を完全に固定した場合の振動分布曲線であり。A curve w80 is a vibration distribution curve when the first reflecting plate 24 and the optical scanning carriage 21 are completely fixed.
曲線８１は弾性ゴム７０を介装した場合であって、かつ
、照明光源側の振動分布曲線であり、また１曲＃ｊ！８
２は同じく弾性ゴム７０を介装した場合であって。A curve 81 is a vibration distribution curve on the illumination light source side when the elastic rubber 70 is interposed, and one song #j! 8
2 is a case in which elastic rubber 70 is also inserted.
かつ、光学走置キャリッジ側の振動分布曲線である。Also, it is a vibration distribution curve on the optical traveling carriage side.
１・８図はキャリッジの往動時の速度曲線を示しており
、レベルＭＡはキャリッジの速度が立ち上がったときの
、定常値を示す走査速度を衣わしている。曲線９０は１
反射板２４と、２光学走賛キヤリツジ２１とを完全に固
定した場合の速度曲線であり。Figures 1 and 8 show speed curves during forward movement of the carriage, and level MA represents the scanning speed that indicates a steady value when the speed of the carriage rises. Curve 90 is 1
This is a speed curve when the reflector 24 and the two-optical carriage 21 are completely fixed.
曲線９１は弾性ゴム７０を介装した場合であって、かつ
、照明光源側の速度曲線であり、また、曲＆９２は同じ
く弾性ゴム７０を、介装した場合であって、かつ、光学
走査キャリッジ側の速度曲線である。Curve 91 is the speed curve on the illumination light source side when the elastic rubber 70 is installed, and curve &92 is the speed curve when the elastic rubber 70 is installed and the optical scanning carriage This is the speed curve of the side.
このように、１１７図および１８図から、反射板２４
の如き照明光源支持体と、光学走査キャリッジ２１と
を互に固定したものよりも１弾性部材を介したものの方
か、光源振動を減少させ得ることが、理解さねよう。In this way, from FIG. 117 and FIG.
It will be appreciated that the vibrations of the light source can be reduced by using an elastic member rather than by fixing the illumination source support and the optical scanning carriage 21 to each other.
こねは１弾性部材７００弾性と減衰特性とを利用するも
ので、これにより、弾性部材には振動源から発生する振
動が吸収されることになる。The kneading method utilizes the elasticity and damping characteristics of the elastic member 700, so that the elastic member absorbs vibrations generated from a vibration source.
１１５図に示す実施例にあっては、緊縮性のばね７８
の弾力により１反射板２４と、キャリッジ２１とは所
定の摩擦力をもって互に接触結合せられ１反射板２４が
キャリッジ２１に対して所定位置よりも変位したとき１
反射板２４に復元力が作用するように。In the embodiment shown in FIG.
Due to the elasticity, the first reflecting plate 24 and the carriage 21 are brought into contact with each other with a predetermined frictional force, and when the first reflecting plate 24 is displaced from a predetermined position with respect to the carriage 21,
So that a restoring force acts on the reflection plate 24.
ばね７Ｂが取付けられている。このような１反射板２４
と、光学走置キャリッジ２１との相互の摺動を許す
機能と、ばね７８の弾力機能とにより１例えは、往動初
期等に発生する振動は比較的短時間に減衰され、照明光
源の振動を減少化することができる。A spring 7B is attached. 1 reflective plate 24 like this
With the function of allowing mutual sliding between the optical carriage 21 and the optical carriage 21, and the elastic function of the spring 78, for example, vibrations that occur at the beginning of forward movement are attenuated in a relatively short period of time, and the vibrations of the illumination light source are reduced. can be reduced.
即ち、ばね７８によってキャリッジからの振動が吸収さ
れるのである。That is, the spring 78 absorbs vibrations from the carriage.
このように、解明光源支持体と、光学走飯キャリッジと
を１弾性ゴムや弾性ばね等の弾性部材を介して結合する
ことにより、照明光源の振動の軽減化若しくは防止化が
図られるので、照明光源の寿命をより延長することがで
きると共に１画質をより向上させることも可能となる。In this way, by coupling the elucidating light source support and the optical running carriage via an elastic member such as elastic rubber or an elastic spring, vibrations of the illumination light source can be reduced or prevented. It is possible to further extend the life of the light source and to further improve the quality of one image.
３・９図は本発明が適用さね得る、電子写真複写機の別
の例を示していて、光学走査キャリッジ５０は、一対の
光源５１．５２と反射板５３．５４とを積載している。Figures 3 and 9 show another example of an electrophotographic copying machine to which the present invention cannot be applied, in which an optical scanning carriage 50 carries a pair of light sources 51.52 and a reflector 53.54. .
光学走査キャリッジ５０は、ガイド軸５５ に案内さ
れ矢印方向に往動し、この際、原稿０の照明走査を行な
い、この反射光は、光学定食キャリッジ５０と同期して
移動する結像レンズ５６に入射し、かつ出射光はミラー
５７．５８を介して結像光として感光体ドラム５９へ投
与され、この感光体ドラムに対して露光が行なわねる。The optical scanning carriage 50 is guided by a guide shaft 55 and moves forward in the direction of the arrow. At this time, the document 0 is illuminated and scanned, and this reflected light is transmitted to an imaging lens 56 that moves in synchronization with the optical set carriage 50. The incident and outgoing light is applied to the photoreceptor drum 59 as imaging light via mirrors 57 and 58, and the photoreceptor drum is not exposed to light.
Ｊ’ＩＯ図において、駆動モータ６１のモータプーリ６
１ａｌＣは、駆動ワイヤ系６２と、駆動ワイヤ糸６３と
の一端および他端がそれぞれ係止さねている。一方の駆
動ワイヤ系６２は、ワイヤループとして、ワイヤプーリ
６４． ６５． ６６、６７にそれぞね掛は渡されて張
設される。また、他方の駆動ワイヤ系６３は、同じくワ
イヤループとして、ワイヤプーリ６４．６７にそわぞわ
掛は渡されて張設される。In the J'IO diagram, the motor pulley 6 of the drive motor 61
In 1alC, one end and the other end of the drive wire system 62 and the drive wire thread 63 are not locked, respectively. One drive wire system 62 includes a wire pulley 64 . 65. At 66 and 67, the hooks are passed and stretched. Further, the other drive wire system 63 is similarly stretched as a wire loop, with the wire pulleys 64 and 67 having a fidget hook.
光学走査キャリッジ５０の一端部には、一方の駆動ワイ
ヤ系６２か直結され、他端部には他方の駆動ワイヤ系６
３が直結されている。One drive wire system 62 is directly connected to one end of the optical scanning carriage 50, and the other drive wire system 62 is directly connected to the other end of the optical scanning carriage 50.
3 are directly connected.
斯る光学走査装置においても、光学走査キャリッジは比
較的、高速で往復動せられるようになっており、このよ
うなものにおいても、一対の反射板５３．５４と、光学
走査キャリッジ５０とを弾性部材を介して結合すること
により、照明光源の振動の軽減化を図ることができる。In such an optical scanning device, the optical scanning carriage is also capable of reciprocating at a relatively high speed, and in such an optical scanning device, the pair of reflecting plates 53 and 54 and the optical scanning carriage 50 are elastically moved. By coupling through the member, vibration of the illumination light source can be reduced.
なお、この種の複写機の他、往復動する照明光源によっ
て、送信原稿を照明走査するファクシミリ装置等におい
ても。In addition to this type of copying machine, this also applies to facsimile machines and the like in which a document to be sent is illuminated and scanned by a reciprocating illumination light source.
本発明の適用が可能である。Application of the present invention is possible.
（５）効果 以上本発明によりば、照明光源の長寿命化と。(5) Effect According to the present invention, the life of the illumination light source can be extended.
画質の向上化を図ることのできる光学走査装置を提供す
ることができる。An optical scanning device that can improve image quality can be provided.
３・１図は本発明が適用され得る電子写真複写機の構成
図、１・２図は同上複写機に具備される光学走置装置の
構成斜゛視図、第３図は本発明一実施例の光学走査装置
における。照明光源と弾性部材と光学走立キャリッジと
の取伺方式を説明するための分解斜視図、〕・４図は同
上光学走査装置の組み付図、オ・５図は本発明の光学走
査装置の別の実施例の構成図、１１６図は光学走１キャ
リッジの往復動時の速度特性曲線図、矛７図は照明光源
支持体と光学走査キャリッジとを固定した場合と１両者
を弾性部材を介して結合した場合との比較（！１１！動
振幅特性曲線図、１・８図は照明光源支持体と光学走査
キャリッジとを固定した場合と１両者を弾性部拐ケ介し
て結合した場合との些較キャリッジ速度特性曲線図、１
・９図は本発明が適用されイする電子写真複写機の別の
例の構成図、矛１０図は同上複写機に具備される光学走
査装置の構成斜視図である。
２１．５０・・・光学走査キャリッジ、 ２３． ５１
． ５２・・・照明光源、 ２４． ５４． ５５・・
・照明光源支持体としての反射板、 ７０・・・弾性部
材としての弾性ゴム、７８・・・弾性部材としての弾性
はね、０・・・原稿形 イ Ｓまコ
づ管ｉシ デて σξ］
るυ幻
う６ 但
売７ 幻
加振用１１Ｓｅｔカー
怖６ 閃
昨向 （Ｓｅり−
ｈ ｑ 閃Figure 3.1 is a configuration diagram of an electrophotographic copying machine to which the present invention can be applied, Figures 1 and 2 are perspective views of the configuration of an optical scanning device included in the same copying machine, and Figure 3 is a diagram showing an embodiment of the present invention. In an example optical scanning device. An exploded perspective view for explaining the pickup method of the illumination light source, the elastic member, and the optical running carriage. Figure 4 is an assembly diagram of the same optical scanning device as above, and Figure 5 is another diagram of the optical scanning device of the present invention. Fig. 116 is a speed characteristic curve diagram of the reciprocating movement of the optical scanning carriage 1, and Fig. 7 shows the case where the illumination light source support and the optical scanning carriage are fixed, and the case where both are connected via an elastic member. Comparison with the case where they are combined (!11! Dynamic amplitude characteristic curve diagram, Figures 1 and 8 show the differences between the case where the illumination light source support and the optical scanning carriage are fixed and the case where both are connected via an elastic part). Comparison carriage speed characteristic curve diagram, 1
- Figure 9 is a configuration diagram of another example of an electrophotographic copying machine to which the present invention is applied, and Figure 10 is a configuration perspective view of an optical scanning device included in the same copying machine. 21.50... optical scanning carriage, 23. 51
．． 52...Illumination light source, 24. 54. 55...
・Reflector plate as illumination light source support, 70...Elastic rubber as elastic member, 78...Elastic spring as elastic member, 0...Manuscript form A S Makozu tube i Side σξ ] Ruυ illusion 6 However, 7 phantom vibration 11Set car fear 6 flash forward (Seri-h q flash
Claims (1)
源を固定支持する照明光源支持体と、該ｂＮ明光源支持
体を積載する光卆走１１、キャリッジと、上記照明光源
によって原稿面の照明走薬を行１．ｃ ５べく、上記光
学走をキャリッジを往後駆動するキャリッジ駆動手段と
を具備した光学ルミ・：装置において、照明光源支持体
と光学走倉キャリアジとを１弾性部材を介して結合する
構成となし。 かつ、その弾ね部材は、上記光学走置キャリッジが走行
するときに発生する振動を、光学走査キャリッジ、照明
光源支持体間で吸収する弾性部材となっていることを特
徴とする光学走査装置。 ２、弾性部拐が弾性ゴムで構成されている。特許請求の
範囲矛ＩＪＪＩ記載の光学走査装置。 ６、 照明光源支持体と光学走柄二キャリッジとが。 弾性部材によって、互［４擦接触結合されていて、その
弾性部材が弾性ばねとなっている。特許請求の範囲、ｉ
’１項記載の光学走査装置。[Claims] 1. An illumination light source support that fixedly supports an illumination light source for illuminating a document surface in a slit-like KVk@ light source, a light cartridge 11 and a carriage on which the bN bright light source support is loaded, and the above-mentioned illumination. 1. Perform illumination chemotaxis on the document surface using a light source. c. 5, in an optical lumi system equipped with a carriage driving means for driving the carriage back and forth in the optical travel, the illumination light source support and the optical travel carriage are coupled via an elastic member; none. An optical scanning device characterized in that the resilient member is an elastic member that absorbs vibrations generated when the optical scanning carriage travels between the optical scanning carriage and the illumination light source support. 2. The elastic part is made of elastic rubber. An optical scanning device according to claim IJJI. 6. An illumination light source support and an optical strip carriage. They are connected in frictional contact with each other by an elastic member, and the elastic member serves as an elastic spring. Claims i
'The optical scanning device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17675581A JPS5878172A (en) | 1981-11-04 | 1981-11-04 | Optical scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17675581A JPS5878172A (en) | 1981-11-04 | 1981-11-04 | Optical scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5878172A true JPS5878172A (en) | 1983-05-11 |
Family
ID=16019238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17675581A Pending JPS5878172A (en) | 1981-11-04 | 1981-11-04 | Optical scanner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5878172A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163832A (en) * | 1984-09-04 | 1986-04-02 | Konishiroku Photo Ind Co Ltd | Lighting device of coping machine |
| EP1306729A1 (en) | 2001-10-25 | 2003-05-02 | Canon Kabushiki Kaisha | Image forming apparatus with a mountable optical unit |
| US7411705B2 (en) * | 2002-12-03 | 2008-08-12 | Transpacific Ip, Ltd. | Light-source mechanism for optical scanner |
| JP2008229508A (en) * | 2007-03-20 | 2008-10-02 | Chugoku Electric Power Co Inc:The | Coating apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121249A (en) * | 1979-03-12 | 1980-09-18 | Toshiba Corp | Manufacturing method of electron gun structural unit |
-
1981
- 1981-11-04 JP JP17675581A patent/JPS5878172A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121249A (en) * | 1979-03-12 | 1980-09-18 | Toshiba Corp | Manufacturing method of electron gun structural unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163832A (en) * | 1984-09-04 | 1986-04-02 | Konishiroku Photo Ind Co Ltd | Lighting device of coping machine |
| EP1306729A1 (en) | 2001-10-25 | 2003-05-02 | Canon Kabushiki Kaisha | Image forming apparatus with a mountable optical unit |
| US6836631B2 (en) | 2001-10-25 | 2004-12-28 | Canon Kabushiki Kaisha | Image forming apparatus in which leading end part of optical unit in mounting direction is pressed and fixed by elastic member |
| US7411705B2 (en) * | 2002-12-03 | 2008-08-12 | Transpacific Ip, Ltd. | Light-source mechanism for optical scanner |
| JP2008229508A (en) * | 2007-03-20 | 2008-10-02 | Chugoku Electric Power Co Inc:The | Coating apparatus |
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