JPS6315276A - Liquid developing head - Google Patents
Liquid developing headInfo
- Publication number
- JPS6315276A JPS6315276A JP16018886A JP16018886A JPS6315276A JP S6315276 A JPS6315276 A JP S6315276A JP 16018886 A JP16018886 A JP 16018886A JP 16018886 A JP16018886 A JP 16018886A JP S6315276 A JPS6315276 A JP S6315276A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- partition member
- developing
- side walls
- slit
- 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
- 239000007788 liquid Substances 0.000 title claims description 38
- 238000005192 partition Methods 0.000 claims abstract description 57
- 238000011161 development Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Landscapes
- Wet Developing In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、例えば静電潜像を形成された記録紙に、液体
トナー等の現像液を付着させることＫより現像を行なう
液体現像ヘッド番て関し、さらに詳しくは、現像液容器
に接続される現像液供給部と、吸引デンゾに接続される
現像液排出部と、前記現像液供給部と現像液排出部との
間を連通ずる如く設けられ上面にスリット状開口部を有
する現像溝とを備え、上記スリット状開口部が記録紙に
よシ覆われることによって生じる現像溝内の負圧により
、現像液を上記現像溝内に吸い上げて現像を行なう如く
構成された吸引型の液体現像ヘッドに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Fields of Application] The present invention relates to a liquid developing head unit that performs development by attaching a developer such as liquid toner to recording paper on which an electrostatic latent image has been formed, for example. More specifically, a developer supply section connected to a developer container, a developer discharge section connected to a suction sensor, and a developer supply section and a developer discharge section provided so as to communicate with each other. and a developing groove having a slit-shaped opening on the upper surface, and the negative pressure in the developing groove generated when the slit-shaped opening is covered with recording paper causes the developer to be drawn up into the developing groove for development. The present invention relates to a suction type liquid developing head configured to perform.
［従来の技術］
現像液容器に接続される現像液供給部と、吸引ポンプに
接続される現像液排出部と、前記現像液供給部と現像液
排出部との間を連通する如く設けられ上面にスリット状
開口部を有する現像溝とを備え、上記スリット状開口部
が記録紙によシ覆われることＫよって生じる現像溝内の
負圧により、現像液を上記現像溝内に吸い上げて現像を
行なう如く構成された吸引型の液体現像へ、ドは、米国
特許第３６５４６５９号明細書、特開昭５６−１２６７
１号公報などに記載されているように公知である。[Prior Art] A developer supply section connected to a developer container, a developer discharge section connected to a suction pump, and an upper surface provided so as to communicate between the developer supply section and the developer discharge section. and a developing groove having a slit-shaped opening, and a negative pressure in the developing groove generated by covering the slit-shaped opening with recording paper sucks up the developer into the developing groove and performs development. A suction-type liquid developer constructed as described in U.S. Pat.
It is publicly known as described in Publication No. 1 and the like.
第７図（、） （ｂ）は、米国特許第３６５４６５９号
明細書に記載されている公知の現像ヘッドを示す図であ
る。同図において、１はプロ、り部材、２は現像液供給
部、３は現像液排出部、４はスリット状開口部を有する
現像溝、５は現像液容器、６は吸引−ンプである。現像
Ｗ！＃４は複数本（本例では３本）の溝４ｍ、４ｂ、４
ｅが現像ヘッドの長手方向に沿って平行に配設されてい
る。６溝４ｍ、４ｂ。FIG. 7(b) is a diagram showing a known developing head described in US Pat. No. 3,654,659. In the figure, 1 is a processing member, 2 is a developer supply section, 3 is a developer discharge section, 4 is a developer groove having a slit-shaped opening, 5 is a developer container, and 6 is a suction pump. Develop W! #4 has multiple (three in this example) grooves 4m, 4b, 4
e are arranged in parallel along the longitudinal direction of the developing head. 6 grooves 4m, 4b.
４ｃは、幅が数絽、深さ０．５〜１龍、程度の断面矩形
状をなし、記録紙の横幅よシも若干短い長さを有してい
る。4c has a rectangular cross-section with a width of several squares and a depth of about 0.5 to 1 square, and has a length slightly shorter than the width of the recording paper.
かくして記録時において、これらの溝４ａ、４ｂ。Thus, during recording, these grooves 4a, 4b.
４ｃのスリット状開口部全域が、６溝４ｍ、４ｂ。The entire area of the slit-shaped opening of 4c is 6 grooves 4m and 4b.
４ｅＫ対し【直交する方向に移送される記録紙によシ覆
われると、吸引ポンプ６の吸引作用によって、上記各溝
４ｍ、４ｂ、４ｅ内が負圧になシ、現像液が現像液容器
５から吸い上げられて、各溝４ｍ、４ｂ、Ｊｃ内に導入
され、記録紙上の静電潜像に触れて現像を行なうものと
なっている。4eK [When the paper is covered with the recording paper being transported in the orthogonal direction, the suction action of the suction pump 6 creates a negative pressure in each of the grooves 4m, 4b, and 4e, and the developer flows into the developer container 5. The electrostatic latent image is sucked up from the recording paper, introduced into each groove 4m, 4b, and Jc, and developed by touching the electrostatic latent image on the recording paper.
第８図〜第１０図（＆）伽）は、特開昭５６−１２６７
１号公報に記載されている現像へ、ドを示す図である。Figures 8 to 10 (&) are from Japanese Patent Application Publication No. 56-1267.
FIG. 1 is a diagram illustrating the development process described in Publication No. 1.
第８図に示すように、この現像ヘッドにおける現像溝５
は、一対の外仕切シ部材６．７と、その中間に介在する
中仕切シ部材８とＫよって形成されている。すなわち、
中仕切）部材８は外仕切シ部材６．１の相互間隔よシ若
干狭い幅を有し。As shown in FIG. 8, the developing groove 5 in this developing head
is formed by a pair of outer partition members 6.7 and inner partition members 8 and K interposed between them. That is,
The inner partition member 8 has a width slightly narrower than the mutual spacing of the outer partition member 6.1.
かつその頂面が外仕切シ部材６，７の頂面よシ０．２〜
１ｍ程度低く設定されている。したがって現像液は、矢
印で示すように部材６と８との間の現像液供給路１０〜
中仕切シ部材の頂面部１２〜部材８と７との間の現像液
排出路１１、という経路で流れ、記録紙９との接触面に
おいては記録紙９の移送方向に沿って流れる。And its top surface is 0.2~
It is set about 1m lower. Therefore, the developer is supplied to the developer supply path 10 to 10 between the members 6 and 8 as shown by the arrows.
The developer flows along a path from the top surface portion 12 of the partition member to the developer discharge path 11 between the members 8 and 7, and flows along the conveyance direction of the recording paper 9 at the surface in contact with the recording paper 9.
上記構成の現像溝５では、スリット状開口部における現
像液流路の幅が広いため、現像ヘッドの長手方向の各箇
所での現像液流量が不均一になシ易い。そこで、第９図
に示すように、複数本（本例では３本）の現像溝５＊、
５ｂ、５ｃを平行に配設すると共に、第９図のＡ−Ａ線
およびＢ−Ｂ線部分の各断面図である第１０図（、）
（ｂ）に示すように、Ａ領域とＢ領域とで現像液供給通
路１０ａ。In the developing groove 5 having the above configuration, since the width of the developer flow path in the slit-like opening is wide, the flow rate of the developer tends to be uneven at each location in the longitudinal direction of the developing head. Therefore, as shown in FIG. 9, a plurality of (three in this example) developing grooves 5*,
5b and 5c are arranged in parallel, and FIG. 10 (, ) is a cross-sectional view of the A-A line and B-B line portion of FIG. 9.
As shown in (b), the developer supply passage 10a is formed in the A area and the B area.
１０ｂ、１０ｃと現像液排出通路１１ｍ、ｌｌｂ。10b, 10c and developer discharge passage 11m, llb.
ｌｉｅとを現像へ、ドの長手方向に位置をずらして設け
ている。なお第１０図（ａ） （ｂ） において１３は
現像液供給室であシ、１４は現像液供給パイプ接続口で
ある。また１５は現像液排出室であシ、１６は現像液排
出パイプ接続口である。かくして吸い上げられた現像液
は、ノ々イブ接続口１４〜供給室１３〜現像液供給通路
１０ｍ、１０ｂ、１０ｅを経由して現像溝５＊、５ｂ、
５ａの各スリット開口部に導かれる。この現像液はＡ領
域からＢ領域へ移動しながら現像を実行する。現像終了
後の現像液は、現像液排出通路１１ ａ 、ｌｌｂ、ｌ
ｌｃから排出室１５へ流れ込み、さらにパイプ接続口１
６から排出され、吸引ポンプを経由して現像液容器内へ
戻る。The development stage and the development stage are shifted in position in the longitudinal direction of the development stage. In FIGS. 10(a) and 10(b), 13 is a developer supply chamber, and 14 is a developer supply pipe connection port. Further, 15 is a developer discharge chamber, and 16 is a developer discharge pipe connection port. The developer sucked up in this way passes through the Nonobu connection port 14 - the supply chamber 13 - the developer supply passages 10m, 10b, 10e, and then reaches the developing grooves 5*, 5b,
5a to each slit opening. This developer executes development while moving from area A to area B. After the development is completed, the developer is discharged through the developer discharge passages 11a, llb, l.
lc to the discharge chamber 15, and then to the pipe connection port 1.
6 and returns to the developer container via a suction pump.
［発明が解決しようとする問題点コ
第７図（ａ） （ｂ）に示した従来では、現像溝４の長
さに対して断面積が極めて小さいので、現像液流路の流
動抵抗が大きく、十分な現像液流量を通流させ得ないと
いう欠点がある。そこで、この欠点をカバーすべく現像
溝４を複数本設けているのであるが、本質的に現像液流
量不足を解消できず、高速現像を行なえないという問題
がある。また上記欠点を除去すべく、トナー濃度の高い
現像液を用いると、非画像部のカブリを生じたシ、現像
ヘッド周辺の汚損が激しくなるといった問題を生じる。[Problems to be Solved by the Invention] In the conventional method shown in FIGS. 7(a) and 7(b), the cross-sectional area is extremely small relative to the length of the developing groove 4, so the flow resistance of the developer flow path is large. However, there is a drawback that a sufficient flow rate of the developer cannot be passed through. Therefore, a plurality of developing grooves 4 are provided in order to overcome this drawback, but there is a problem that essentially the insufficient flow rate of the developer cannot be solved and high-speed development cannot be performed. Furthermore, if a developing solution with a high toner concentration is used to eliminate the above-mentioned drawbacks, problems arise such as fogging in non-image areas and severe staining around the developing head.
第８図〜第１０図（、） （ｂ）に示す従来例では、現
像液を記録紙送シ方向と平行な方向へ流すようにしてい
るので、現像液流路の有効断面積が第７図（１）（ｂ）
に示したものに比べ、飛躍的に増大し、高速現像を可能
ならしめる。しかし、現像液流量の均一化を行なう必要
があるため、前述したように現像液の供給側と排出側と
で現像液流路の構造を異ならせる等の手段を講じる必要
がある。その結果。In the conventional example shown in FIGS. 8 to 10(a) and (b), the developer is made to flow in a direction parallel to the recording paper feeding direction, so that the effective cross-sectional area of the developer flow path is Figure (1) (b)
This is a dramatic increase compared to that shown in Figure 2, making high-speed development possible. However, since it is necessary to equalize the flow rate of the developer, it is necessary to take measures such as making the structure of the developer flow path different between the developer supply side and the developer discharge side as described above. the result.
構成が極めて複雑化し、安価に製作し難いという問題が
あった。There was a problem in that the configuration was extremely complicated and it was difficult to manufacture it at a low cost.
そとで本発明は、現像有効断面積が大きく、所要の現像
液流量を確保でき、高速現像にも適用可能であるのは勿
論、現像液流が均一性に富んだものとなう、しかも簡単
な構造を有し、安価に製作可能な液体現像ヘッドを提供
することを目的とす石。Accordingly, the present invention has a large effective cross-sectional area for development, can secure the required developer flow rate, is applicable to high-speed development, and has a highly uniform developer flow. A stone whose purpose is to provide a liquid developing head that has a simple structure and can be manufactured at low cost.
［問題点を解決するための手段］
本発明は上記問題点を解決し目的を達成するために１次
のような手段を講じた。[Means for Solving the Problems] The present invention takes the following measures in order to solve the above problems and achieve the object.
■ 長手方向く一様な断面形状を有する樋状の外部仕切
シ部材を設ける。■ Provide a gutter-like external partition member with a uniform cross-sectional shape in the longitudinal direction.
■ この外部仕切シ部材の開口部内に挿入され、両側壁
外面が上記外部仕切り部材の両側壁内面と均一な第１の
ギャップを隔てて対向すると共に、底壁外面が前記外部
仕切シ部材の底壁内面と第１の空間をもって対向し、両
側壁頂面の高さが前記外部仕切シ部材の両側壁頂面の高
さより低く設定された樋状の中間仕切シ部材を設ける。(2) is inserted into the opening of this external partition member, the outer surfaces of both side walls face the inner surfaces of both side walls of the external partition member with a uniform first gap in between, and the outer surface of the bottom wall faces the bottom of the external partition member. A gutter-shaped intermediate partition member is provided which faces the inner surface of the wall with a first space and has a top surface of both side walls set lower in height than a height of the top surface of both side walls of the external partition member.
■ この中間仕切勺部材の開口部内に挿入され。■ Inserted into the opening of this intermediate partition member.
壁部外面が上記中間仕切り部材の両側壁内面と均一な第
２のギャップを隔てて対向すると共に、底部外面が上記
中間仕切力部材の底壁内面と第２の空間をもって対向し
、壁体頂面の高さが前記外部仕切シ部材の両側壁頂面の
高さと等しく設定された直方体状の内部仕切シ部材を設
ける。The outer surface of the wall faces the inner surfaces of both side walls of the intermediate partition member across a uniform second gap, the outer surface of the bottom faces the inner surface of the bottom wall of the intermediate partition force member with a second space, and the top of the wall A rectangular parallelepiped internal partition member is provided whose surface height is set equal to the height of the top surfaces of both side walls of the external partition member.
■ かくして前記第１または第２の空間を現像液供給部
となし、前記第２または第１の空間を現像液排出部とな
し、前記第１のギャップおよび第２のギャップを現像液
通路となし、前記外部仕切シ部材の両側壁頂面と内部仕
切シ部材の壁体頂面との間に、一対のスリット状開口部
を形成したことを特徴とする。(2) Thus, the first or second space is used as a developer supply section, the second or first space is used as a developer discharge section, and the first gap and the second gap are used as a developer passage. , a pair of slit-like openings are formed between the top surface of both side walls of the external partition member and the top surface of the wall of the internal partition member.
［作用］
このような手段を講じたことにより、次のような作用を
呈する。すなわち、一つの現像溝内に現像液の供給、排
出通路が二重に設げられているので、現像液流路の有効
断面積が十分大きくなる。[Effects] By taking such measures, the following effects are achieved. That is, since the developer supply and discharge passages are provided twice in one developer groove, the effective cross-sectional area of the developer flow path becomes sufficiently large.
しかも記録紙送シ方向の幅が比較的小さい溝が、二重づ
つ並んだ状態になっているので、現像へ。Moreover, the grooves, which are relatively small in width in the recording paper feeding direction, are lined up in double rows, so it is ready for development.
ドの長手方向の各箇所における現像液流が均一化される
。したがって現像ヘッド自体は、その長手方向の構造が
一様なものでよく、製作が容易になる。The developer flow at each location in the longitudinal direction of the disk is made uniform. Therefore, the developing head itself may have a uniform structure in the longitudinal direction, making it easy to manufacture.
［実施例コ
第１図〜第３図（、） （ｂ）は本発明の第１実施例を
示す図で、第１図は主要部の平面図、第２図（、） （
ｂ）は第１図のＡ−Ａ線矢視断面図および同部分の現像
液の流路を示す図、第３図（、） （ｂ）は液室に対す
６接続Δイブの配管状態を示す図である。[Embodiment Fig. 1 to Fig. 3 (,) (b) are diagrams showing the first embodiment of the present invention, Fig. 1 is a plan view of the main part, and Fig. 2 (,) (
b) is a cross-sectional view taken along the line A-A in Fig. 1 and a diagram showing the flow path of the developer in the same part, and Fig. 3 (, ) (b) shows the piping state of the 6-connection ΔEve to the liquid chamber. FIG.
第１図および第２図（１ｋ）において、２０は現像ヘッ
ドの長手方向に一様な断面形状を有するす状の外部仕切
シ部材である。２１は上記外部仕切シ部材２０の開口部
内に挿入された樋状の中間仕切シ部材である。この中間
仕切シ部材２１は、その両側壁２１ｍ、２１ｂの外面が
上記外部仕切シ部材２０の両側壁２０ｍ、２０ｂの内面
と均一な第１のギャップＧｌ 、Ｇｆを隔てて対向する
と共に。In FIGS. 1 and 2 (1k), reference numeral 20 denotes a cup-shaped external partition member having a uniform cross-sectional shape in the longitudinal direction of the developing head. Reference numeral 21 denotes a gutter-shaped intermediate partition member inserted into the opening of the external partition member 20. The outer surfaces of both side walls 21m and 21b of this intermediate partition member 21 face the inner surfaces of both side walls 20m and 20b of the external partition member 20 with uniform first gaps Gl and Gf in between.
底壁２１ｃの外面が前記外部仕切シ部材２ｏの底壁２Ｑ
ｃの内面と第１の空間Ｍ１をもって対問している。そし
て中間仕切シ部材２１は、その両側壁２１ｈ、２１ｂの
頂面の高さが、前記外部仕切ヤ部材２０の両側壁２０ｇ
、２０ｂの頂面の高さよシ低く設定されている。２２
は前記中間仕切シ部材２ノの開口部内に挿入された直方
体状の内部仕切シ部材である。この内部仕切シ部材２２
は、その側部２２ｍ、２２ｂの外面が上記中間仕切シ部
材２ノの両側壁２１ｍ、２１ｂの内面と均一な第２のギ
ャップＧ２．Ｇ２を隔てて対向すると共゛に、底部２２
ａの外面が、上記中間仕切シ部材２ノの底壁２１ｅの内
面と第２の空間Ｍ２をもって対向している。そして上記
内部仕切シ部材２２は、その壁体頂面の高さが前記外部
仕切シ部材の両側壁２０ｇ、２０ｂの頂面の高さと等し
く設定されている。かくして、前記第１の空間Ｍ１を現
像液排出用の液室となし、前記第２の空間Ｍ２を現像液
供給用の液室となし、前記第１のギャップＧ１および第
２のギャップＧ２を現像液通路となし、前記外部仕切シ
部材２ｏの両側壁２０＊。The outer surface of the bottom wall 21c is the bottom wall 2Q of the external partition member 2o.
The question is asked using the inner surface of c and the first space M1. The height of the top surface of both side walls 21h and 21b of the intermediate partition member 21 is equal to the height of the top surface of the both side walls 20g of the external partition member 20.
, 20b is set lower than the height of the top surface. 22
is a rectangular parallelepiped-shaped internal partition member inserted into the opening of the intermediate partition member 2. This internal partition member 22
is a second gap G2., in which the outer surfaces of the side portions 22m, 22b are uniform with the inner surfaces of the side walls 21m, 21b of the intermediate partition member 2. The bottom part 22 is opposite to each other across G2.
The outer surface of a is opposed to the inner surface of the bottom wall 21e of the intermediate partition member 2 with a second space M2 in between. The height of the top surface of the wall of the internal partition member 22 is set equal to the height of the top surface of both side walls 20g, 20b of the external partition member. Thus, the first space M1 is used as a liquid chamber for discharging the developer, the second space M2 is used as a liquid chamber for supplying the developer, and the first gap G1 and the second gap G2 are used for developing. Both side walls 20* of the external partition member 2o serve as a liquid passage.
２０ｂの頂面と内部仕切シ部材２２の壁体頂面との間Ｋ
、一対のスリ、ト状開ロ部８１．８２を形成したもので
ある。Between the top surface of 20b and the wall top surface of internal partition member 22 K
, a pair of slits and a T-shaped opening portion 81,82 are formed.
以下、本実施例も含め、第２〜４実施例を通じて、外部
仕切シ部材２ｏの両側壁２０ｍ、２０ｂを両側の外皮切
部材と称し、中間仕切多部材２１の両側壁２１ｈ、２１
ｂを中支切部材と称し、内部仕切シ部材２２を中央の外
皮切部材と称し、第１の空間Ｍノによる液室を下部液室
と称し、第２の空間Ｍ２による液室を上部液室と称して
説明する。Hereinafter, throughout the second to fourth embodiments, including this embodiment, both side walls 20m and 20b of the external partition member 2o will be referred to as outer skin cutting members on both sides, and both side walls 21h and 21 of the intermediate partition multi-member 21 will be referred to as outer skin cutting members on both sides.
b is referred to as a middle branching member, the internal partition member 22 is referred to as a central outer skin cutting member, the liquid chamber formed by the first space M is referred to as a lower liquid chamber, and the liquid chamber formed by the second space M2 is referred to as an upper liquid chamber. This will be explained as a room.
２つのスリット状開口部８１．８２は、両側及び中央の
外皮切部材２０．２２によって形成され、スリット状開
口部８１，８２に中支切部材２１ａ＃２１ｂが配置され
る。中支切部材はスリット状開口の巾よシも狭い巾の板
状部材で、外皮切部材上面よシ少し下った位置に頂部が
配置されている。Two slit-like openings 81, 82 are formed by the outer skin cutting members 20, 22 on both sides and the center, and the middle splitting member 21a #21b is arranged in the slit-like openings 81, 82. The middle cutting member is a plate-like member having a width narrower than the width of the slit-like opening, and the top portion is disposed at a position slightly lower than the upper surface of the outer skin cutting member.
外皮切部材上面には静電潜像を形成した記録紙２３が密
着して配置されて、中支切部材２１の両側と頂部を通る
スリット状の現像液通路が形成される。中支切部材２１
は現像電極の作用を兼ねていて数ミリメートル巾の金属
の板状に加工したものが適用される。この巾が狭すぎる
と現像作用が不十分になシ、広すぎると記録紙２３がた
わんでしまい、現像液通路の形成に支障となる。外皮切
部材と中支切部材の高さの差は０．２〜１ミリメートル
程度が好ましく、その差が少いと現像電極効果は高まる
が、現像液流量が減少し、逆の場合にはその逆の関係と
なる。A recording paper 23 on which an electrostatic latent image has been formed is placed in close contact with the upper surface of the outer sheath cutting member, and a slit-shaped developer passageway passing through both sides and the top of the middle splitting member 21 is formed. Middle branch member 21
The electrode also functions as a developing electrode, and is made of a metal plate several millimeters wide. If this width is too narrow, the developing action will be insufficient, and if it is too wide, the recording paper 23 will bend, which will hinder the formation of the developer passage. The height difference between the outer skin cutting member and the middle branching member is preferably about 0.2 to 1 mm.If the difference is small, the developing electrode effect will increase, but the developer flow rate will decrease, and vice versa. The relationship is as follows.
中央液室Ｍ２は、中支切部材２ノと中央外皮切部材２２
ＩＩＣよって形成される室で、スリ、ト状の現像液通路
にムラなく現像液を流す為のバッファー効果を持たせる
為のものである。同様に、下部液室Ｍ１は、外皮切部材
と中支切部材によって形成されておシ、スリ、ト状の現
像液通路にムラなく現像液を流す為のバッファー効果を
持たせている。現像液は中央液室ＭＪＫ供給し、スリッ
ト状現像液通路を経由して下部液室Ｍ１を経由して排出
されるルートをとる構成と、逆に下部液室Ｍ１に供給し
、スリ、ト状現像液通路を経由して、中央液室Ｍ２を経
由して排出されるルートをとる構成とが可能である。前
者の場合の現像液流路を第２図（ｂ）に図示した。前者
の場合には、中央液室Ｍ２は現像液容器に接続され、下
部液室Ｍ１は吸引ポンプに接続配管され、後者の場合に
はその逆になる。The central liquid chamber M2 includes a middle branching member 2 and a central outer skin cutting member 22.
This is a chamber formed by the IIC, and is intended to provide a buffer effect to allow the developer to flow evenly through the groove-shaped developer passage. Similarly, the lower liquid chamber M1 is formed by an outer skin cutting member and a middle branching member, and has a buffer effect to allow the developer to flow evenly through the groove-shaped developer passage. The developer is supplied to the central liquid chamber MJK and discharged via the slit-shaped developer passageway to the lower liquid chamber M1. A configuration is possible in which the liquid is discharged via the central liquid chamber M2 via the developer passage. The developer flow path in the former case is illustrated in FIG. 2(b). In the former case, the central liquid chamber M2 is connected to the developer container and the lower liquid chamber M1 is connected to the suction pump, and vice versa in the latter case.
下部液室Ｍ１の壁体は外部に面しているから接続配管は
任意の場所に容易に設ける事ができる。Since the wall of the lower liquid chamber M1 faces the outside, connection piping can be easily provided at any location.
これに対し【中央液室Ｍ２の壁体は他の部材でとシ囲ま
れているので接続配管は必すしも容易ではない。接続配
管の設は方の一つの方法としては下部液室部分を貫通し
て中央液室と外部を接続するパイプを配置する構成であ
る。この構成は第３図（ａ）Ｉ／Ｃ模式的に配管位置を
示した様になる。同図に於て矢印は配管用ノ臂イブを示
している。この例は中央液室Ｍ２に到る配管の配列は比
較的自由に設定する事ができる利点があるが、下部液室
Ｍ１を貫通する点でやや複雑になる。しかし、との配管
部材によって、中支切部材２１ｈ、２１ｂを外皮切部材
ｘｏ＊、２０ｂＫ支持させる為の支持部材と兼用させる
事もできる。On the other hand, since the wall of the central liquid chamber M2 is surrounded by other members, connecting piping is not necessarily easy. One method for installing the connection piping is to arrange a pipe that passes through the lower liquid chamber and connects the central liquid chamber to the outside. This configuration is as shown in FIG. 3(a), which schematically shows the I/C piping positions. In the figure, the arrow indicates the piping arm. This example has the advantage that the arrangement of the piping leading to the central liquid chamber M2 can be set relatively freely, but it is somewhat complicated in that it passes through the lower liquid chamber M1. However, the piping member can also be used as a support member for supporting the middle branch cutting members 21h and 21b and the outer skin cutting members xo* and 20bK.
中央液室Ｍ２を外部へ連通させる別の方法は、現像ヘッ
ドの長手方向端部の封止部に接続パイプを配設する構成
である。第３図伽）はその場合の配管位置を模式的に示
した図である。この構成の場合には中央液室Ｍ２に連通
する流路は現像へ、ドの両端しか設けられないので、長
尺ヘッドを作成する場合には中央液室Ｍ２の断面や連通
させる・母イブ径を極力大きくする様に配慮する必要が
ある。Another method for communicating the central liquid chamber M2 to the outside is to arrange a connecting pipe in a sealed portion at the longitudinal end of the developing head. Figure 3) is a diagram schematically showing the piping positions in that case. In this configuration, the flow path that communicates with the central liquid chamber M2 is provided only at both ends of the developing side, so when creating a long head, the cross section of the central liquid chamber M2 and the diameter of Care must be taken to make it as large as possible.
上記構成の本実施例によれば、現像液は現像ヘッドの長
手方向に一様な断面形状によって形成される一様なスリ
ット状現像液通路を通って、記録紙の移動方向と平行な
方向に流れ、従って公知の構成に比べて多量の現像液を
全面均一な流れとして流す事ができる。この為、高い現
像能力と均一な現像性を得る事ができる。更に本現像へ
、ドは、長手方向に一様な断面形状を有しているから製
作がきわめて容易である。特に長尺の型加工を施した材
料を切断して作成した部材を組合わせて構成する事がで
きる点で５寸法の長い現像ヘッドを作成する場合にきわ
めて好都合である。According to this embodiment with the above configuration, the developer passes through the uniform slit-shaped developer passage formed by the uniform cross-sectional shape in the longitudinal direction of the developing head, and flows in the direction parallel to the moving direction of the recording paper. This allows a larger amount of developer to flow in a uniform flow over the entire surface than in known configurations. Therefore, high developing ability and uniform developability can be obtained. Furthermore, since the development plate has a uniform cross-sectional shape in the longitudinal direction, it is extremely easy to manufacture. In particular, the present invention is extremely advantageous when making a five-dimensional long developing head, since it can be constructed by combining members made by cutting a material that has been subjected to elongated mold processing.
長尺の型加工に適した材質はアルミニウム、あるいはア
ルミニウム合金等の展性に富んだものであるが、外皮切
部材の上面は常時記録紙と摺動する状態となるから、使
用頻度がはげしい場合にはこの部分が摩耗するおそれが
ある。その様な場合には外皮切部材の記録紙と摺動する
部分だけ、ステンレススチールや真鋳等の耐摩耗性に勝
れた材質の部材におきかえた構成が好ましい。Materials suitable for long molding are highly malleable materials such as aluminum or aluminum alloys, but the upper surface of the outer skin cutting member is constantly sliding against the recording paper, so if it is used frequently. There is a risk that this part will wear out. In such a case, it is preferable to replace only the portion of the outer cover cutting member that slides with the recording paper with a member made of a material with excellent wear resistance, such as stainless steel or brass casting.
又中央の外皮切部材は現像ヘッドの端部封止部材に支持
させる事ができるが、現像ヘッドが長くなった場合には
、中央の外皮切部材と中支切部材によって作られるスリ
ット状現像液通路の寸法が各部材の湾曲等によって一様
に保たれなくなるおそれがある。この様な場合には中支
切部材と、中央外皮切部材との間をてスペーサを介して
両部材をビス止めする構成が好適である。In addition, the central outer skin cutting member can be supported by the end sealing member of the developing head, but if the developing head becomes long, the slit-shaped developer liquid formed by the central outer skin cutting member and the middle branching member There is a risk that the dimensions of the passage may not be kept uniform due to the curvature of each member. In such a case, it is preferable to use a structure in which the middle branch member and the central outer skin cut member are screwed together with a spacer interposed therebetween.
第４図（、） （ｂ）は上記２点につき変更した第２実
施例を示す図でちる。第４図（、） （ｂ）に於て２７
は外皮切部材で、２８ｍ 、２１Ｊｂはその両側先端部
に設けた耐摩耗性部材、２９は中央の外皮切部材、３０
ｍ、３０ｂは各中支切部材、３２＆ 、３２ｂはスペー
サとしてのワッシャー、３１ｔｓ 、３１ｂはビス、３
３は下部現像液室に接続されるパイプの口金、３４は中
支切部材を外皮切部材に支持する為の支持部材、３５は
中央液室に接続されるパイプの口金を各示している。FIG. 4(,)(b) is a diagram showing a second embodiment modified in the above two points. In Figure 4 (,) (b) 27
is the outer skin cutting member, 28m, 21Jb is the wear-resistant member provided at both ends of the outer skin cutting member, 29 is the outer skin cutting member in the center, 30
m, 30b are each middle splitting member, 32&, 32b is a washer as a spacer, 31ts, 31b is a screw, 3
Reference numeral 3 denotes a cap of a pipe connected to the lower developer chamber, 34 a support member for supporting the middle cutting member to the outer skin cutting member, and 35 a cap of a pipe connected to the central solution chamber.
ビス及びワッシャー、支持部材３４、口金３３等は複数
個、互に干渉しない位置に離散的に配設する様にする。A plurality of screws, washers, supporting members 34, bases 33, etc. are arranged discretely at positions where they do not interfere with each other.
ワッシャー３２ｔｈ、３２ｂはスリ、ト状現像液流路に
於て、その流れを阻害し【現像ムラを引起す原因となる
ので、その形状を極力／Ｊ１さくし、かつ取付は位置が
中支切部材の頂面かも遠ざかった位置となる様にすると
共に、左右の配置が同一断面位置に来ない様にずらせて
おくとよい。The washers 32th and 32b obstruct the flow in the slot-shaped developer flow path and cause uneven development, so their shape should be made as small as possible, and the mounting position should be set to a middle-branching member. It is recommended that the top surface of the cross-section be placed at a distance, and that the left and right sides of the cross-section be shifted so that they are not at the same cross-sectional position.
上記第２実施例に於ては外皮切部材に対して、支持部材
３４によって中支切部材を支持させる様に構成したが、
ビスとワッシャーによって、より簡易に両部材をより強
固に結合させる事ができる。In the second embodiment described above, the middle splitting member is supported by the supporting member 34 with respect to the outer skin cutting member.
By using screws and washers, both parts can be more easily and more firmly connected.
第５図は上記の点を考慮してなされた本発明の第３実施
例である。同図に於て３６ｈ 、３６ｂはワ、シャーで
３７ｈ 、３７ｂはビスである。この様にビスの位置を
両サイドに設け、かつ両部材が接近した位置で結合する
事によって簡易にして強固な結合を実現する事ができる
。同図に於ては更に外皮切部材に取付ける耐摩耗性部材
２８ａ、２８ｂの保持にもビス３８＊ 、３１１ｂを用
いて、接着剤を併用する事で確実な取付けを実現してい
る。第３図（＆）に於て説明した様に中央現像液室と外
部を接続する現像液流路は、下部現像液室を貫通させて
形成する事ができる。該現像液通路を形成する部材によ
って外皮切部材と中支切部材を１体に保持する構成が可
能である。第６図はその実施例を示すものであって、４
０は中支切部材に設けた開口、４１は支持連通部材で、
４２は７ランジ、４３はノ４イブ接続部、４４はナツト
を各示している。中支切部材の開口４０は、支持連通部
材４１の先端とネジ、接着剤等で接合され、ナツト４４
によって、支持連通部材４１と外皮切部材２７は結合さ
れ、かくして中央現像液室を外部に連通させる流路の形
成と、中支切部材３０と外皮切部材２７の結合が同時に
行われる。FIG. 5 shows a third embodiment of the present invention, which was made in consideration of the above points. In the figure, 36h and 36b are screws and 37h and 37b are screws. In this way, by providing the screws on both sides and joining the two members close to each other, it is possible to achieve a simple and strong joint. In the same figure, screws 38* and 311b are also used to hold the wear-resistant members 28a and 28b attached to the outer skin cutting member, and reliable attachment is achieved by using adhesive in combination. As explained in FIG. 3(&), the developer flow path connecting the central developer chamber to the outside can be formed by penetrating the lower developer chamber. A configuration is possible in which the outer skin cutting member and the middle branching member are held together by the member forming the developer passage. FIG. 6 shows an example of this, and 4
0 is an opening provided in the middle split member, 41 is a support communication member,
Reference numeral 42 indicates a 7-lunge, 43 indicates a knob 4-beam connection, and 44 indicates a nut. The opening 40 of the middle splitting member is connected to the tip of the support communication member 41 with a screw, adhesive, etc., and a nut 44
As a result, the support communication member 41 and the outer skin cutting member 27 are connected, and thus the formation of a flow path for communicating the central developer chamber to the outside and the coupling of the middle branch cutting member 30 and the outer skin cutting member 27 are performed simultaneously.
なお本発明は前記実施例に限定されるものではなく１本
発明の要旨を逸脱しない範囲で種々変形実施可能である
のは勿論である。It goes without saying that the present invention is not limited to the embodiments described above, and that various modifications can be made without departing from the gist of the present invention.
［発明の効果］
本発明によれば、一つの現像溝内に現像液の供給、排出
通路が二重に設けられているので、現像液流路の有効断
面積が十分大きくなる。しかも記録紙送シ方向の幅が比
較的小さい溝が、二重づつ並んだ状態罠なっているので
、現像ヘッドの長手方向の各箇所における現像液流が均
一化される。[Effects of the Invention] According to the present invention, since the developer supply and discharge passages are provided twice in one developing groove, the effective cross-sectional area of the developer flow path becomes sufficiently large. Moreover, since the grooves, each having a relatively small width in the recording paper feeding direction, are lined up in duplicate, the flow of the developer at each location in the longitudinal direction of the developing head is made uniform.
したがって現像へ、ド自体は、その長手方向の構造が一
様なものでよく、製作が容易になる。かくして現像有効
断面積が大きく、所要の現像液流量を確保でき、高速現
像にも適用可能であるのは勿論、現像液流が均一性に富
んだものとな〕、しかも簡単な構造を有し、安価に製作
可能な液体現像ヘッドを提供できる。Therefore, the development plate itself may have a uniform structure in the longitudinal direction, making it easy to manufacture. In this way, the effective developing cross-sectional area is large, the required developer flow rate can be secured, it is applicable to high-speed development, and the developer flow is highly uniform].Moreover, it has a simple structure. , it is possible to provide a liquid developing head that can be manufactured at low cost.
第１図〜第３図（ａ） （ｂ）は本発明の第１実施例を
示す図で、第１図は主要部の平面図、第２図（、） （
ｂ）は第１図のＡ−Ａ線矢視断面図および同部分の現像
液の流路を示す図、第３図（、） （ｂ）は液室に対す
る接続ツクイブの配管状態を示す図である。第４図（、
） （ｂ）〜第６図は本発明の第２〜第４実施例の構成
を示す図である。第７図（、）ω）〜第１０図（、）
（ｂ）は従来例を示す図である。
２０−・外部仕切シ部材、２ノ・・・中間仕切シ部材、
２２・・・内部仕切シ部材、２３・・・記録紙、Ｍｌ。
Ｍ２−・第１．第２の空間（液室）、Ｇｌ 、Ｇ２・・
・第１．第２のギャップ（現像液通路）、Ｓｌ、Ｓｌ・
・・スリット状開口部。
出願人代理人 弁理士 坪 井 淳（２ｆｆ血の浄
１．７（内容に変更なし）第１図
（ａ）（ｂ）
第２図
第６図
÷
Ｃ
第７図
第８図
第９図
（ａ） （ｂ）
第１０１さ１
手 続 ネｒＪｉ ロヨ ｐλ
昭和６１ｔ９・門５日
特許庁長官 黒 １）明 誰 殿
１、事件の表示
特願昭６１−１６０１８８号
２、発明の名称
液体現像ヘッド
３、補正をする者
事件との関係 特許出願人
（０３７）オリンパス光学工、ｆ：）Ｘ式会社４、代理
人
東京都千代田区霞が関３丁目７番２シラＵ８［ビル５、
自発補正
６、補正の対象
明ｍ書全文２図面
７、補正の内容Figures 1 to 3 (a) and 3 (b) are diagrams showing a first embodiment of the present invention, where Figure 1 is a plan view of the main part and Figure 2 (, ) (
b) is a cross-sectional view taken along the line A-A in Fig. 1 and a diagram showing the flow path of the developer in the same part, and Fig. 3 (,) (b) is a diagram showing the piping state of the connecting tube to the liquid chamber. be. Figure 4 (,
) (b) to FIG. 6 are diagrams showing the configurations of second to fourth embodiments of the present invention. Figure 7 (,) ω) to Figure 10 (,)
(b) is a diagram showing a conventional example. 20-・External partition member, 2-・Intermediate partition member,
22... Internal partition member, 23... Recording paper, Ml. M2-・1st. Second space (liquid chamber), Gl, G2...
・First. Second gap (developer passage), Sl, Sl・
...Slit-shaped opening. Patent attorney Jun Tsuboi (2ff Blood Purity 1.7 (No change in content) Figure 1 (a) (b) Figure 2 Figure 6 ÷ C Figure 7 Figure 8 Figure 9 ( a) (b) No. 101-1 Procedure NerJi Royo pλ 1986 t9/Mon 5 Commissioner of the Patent Office Black 1) Akira Who 1, Indication of the case Patent application No. 160188/1988 2, Name of the invention Liquid developing head 3. Relationship with the case of the person making the amendment Patent applicant (037) Olympus Optical Engineering, f:)
Voluntary amendment 6, full text of the memorandum subject to amendment 2 drawings 7, content of amendment
Claims (1)
接続される現像液排出部と、前記現像液供給部と現像液
排出部との間を連通する如く設けられ上面にスリット状
開口部を有する現像溝とを備え、上記スリット状開口部
が記録紙により覆われることによって生じる現像溝内の
負圧により、現像液を上記現像溝内に吸い上げて現像を
行なう如く構成された吸引型の液体現像ヘッドにおいて
、長手方向に一様な断面形状を有する樋状の外部仕切り
部材と、この外部仕切り部材の開口部内に挿入され両側
壁外面が上記外部仕切り部材の両側壁内面と均一な第１
のギヤップを隔てて対向すると共に底壁外面が前記外部
仕切り部材の底壁内面と第１の空間をもって対向し両側
壁頂面の高さが前記外部仕切り部材の両側壁頂面の高さ
より低く設定された樋状の中間仕切り部材と、この中間
仕切り部材の開口部内に挿入され壁部外面が上記中間仕
切り部材の両側壁内面と均一な第２のギャップを隔てて
対向すると共に底部外面が上記中間仕切り部材の底壁内
面と第２の空間をもって対向し壁体頂面の高さが前記外
部仕切り部材の両側壁頂面の高さと等しく設定された直
方体状の内部仕切り部材とを具備し、前記第１または第
２の空間を前記現像液供給部となし、前記第２または第
１の空間を前記現像液排出部となし、前記第１のギヤッ
プおよび第２のギヤップを現像液通路となし、前記外部
仕切り部材の両側壁頂面と内部仕切り部材の壁体頂面と
の間に一対のスリット状開口部を形成したことを特徴と
する液体現像装置。A developer supply section connected to the developer container, a developer discharge section connected to the suction pump, and a slit-shaped opening provided on the upper surface so as to communicate between the developer supply section and the developer discharge section. A suction-type developing groove having a slit-shaped opening and a negative pressure in the developing groove generated when the slit-shaped opening is covered with recording paper sucks up the developer into the developing groove to perform development. The liquid developing head includes a gutter-shaped external partition member having a uniform cross-sectional shape in the longitudinal direction, and a first member inserted into an opening of the external partition member whose outer surfaces on both sides are uniform with the inner surfaces of both side walls of the external partition member.
and the outer surface of the bottom wall faces the inner surface of the bottom wall of the external partition member with a first space, and the height of the top surface of both side walls is set lower than the height of the top surface of the both side walls of the external partition member. A gutter-shaped intermediate partition member is inserted into the opening of the intermediate partition member, and the outer surface of the wall faces the inner surfaces of both side walls of the intermediate partition member across a uniform second gap, and the outer surface of the bottom part is inserted into the opening of the intermediate partition member. a rectangular parallelepiped-shaped internal partition member that faces the inner surface of the bottom wall of the partition member with a second space and has a top surface of the wall set to have a height equal to the height of the top surfaces of both side walls of the external partition member; The first or second space is the developer supply section, the second or first space is the developer discharge section, and the first gap and the second gap are the developer passage; A liquid developing device characterized in that a pair of slit-shaped openings are formed between the top surface of both side walls of the external partition member and the top surface of the wall of the internal partition member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16018886A JPS6315276A (en) | 1986-07-08 | 1986-07-08 | Liquid developing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16018886A JPS6315276A (en) | 1986-07-08 | 1986-07-08 | Liquid developing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6315276A true JPS6315276A (en) | 1988-01-22 |
Family
ID=15709723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16018886A Pending JPS6315276A (en) | 1986-07-08 | 1986-07-08 | Liquid developing head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6315276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762265A (en) * | 1980-10-02 | 1982-04-15 | Nippon Chemiphar Co Ltd | N-benzoylcarnosine dialuminum salt and its preparation |
| US10981619B2 (en) | 2017-05-31 | 2021-04-20 | Honda Motor Co., Ltd. | Small-sized saddle riding vehicle, and rigidity adjustment device of body frame of vehicle |
-
1986
- 1986-07-08 JP JP16018886A patent/JPS6315276A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762265A (en) * | 1980-10-02 | 1982-04-15 | Nippon Chemiphar Co Ltd | N-benzoylcarnosine dialuminum salt and its preparation |
| US10981619B2 (en) | 2017-05-31 | 2021-04-20 | Honda Motor Co., Ltd. | Small-sized saddle riding vehicle, and rigidity adjustment device of body frame of vehicle |
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