JPS6012464A - Recording medium feed mechanism - Google Patents

Recording medium feed mechanism

Info

Publication number
JPS6012464A
JPS6012464A JP58118173A JP11817383A JPS6012464A JP S6012464 A JPS6012464 A JP S6012464A JP 58118173 A JP58118173 A JP 58118173A JP 11817383 A JP11817383 A JP 11817383A JP S6012464 A JPS6012464 A JP S6012464A
Authority
JP
Japan
Prior art keywords
motor
pin
rotation
recording paper
recording
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
Application number
JP58118173A
Other languages
Japanese (ja)
Inventor
Toshiaki Kunishima
国島 俊明
Takeshi Ikeda
武史 池田
Michio Kasuya
糟谷 通夫
Hiroaki Matsumoto
博明 松本
Masakatsu Iwata
正勝 岩田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP58118173A priority Critical patent/JPS6012464A/en
Publication of JPS6012464A publication Critical patent/JPS6012464A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/06Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators

Landscapes

  • Details Of Cutting Devices (AREA)
  • Facsimiles In General (AREA)

Abstract

PURPOSE:To reduce the number of parts items as well as to miniaturize a recording medium feed mechanism as a whole, by controlling a feed mechanism so as to drive the c.w.-c.c.w. rotation of a feed roller and the rotation of a movable blade of a cutter for driving with a single motor. CONSTITUTION:A feed roller 3 is rotatively driven by the counterclockwise rotation of a motor 1 till a cut spot of each recording paper 17 resistered by a recording head reaches to a point between a stationary blade 14 and a movable blade 15 and then the recording paper 17 is conveyed forward. Next, when the cut spot of the paper 17 is conveyed to the point between both blades 14 and 15, a pin 9 is detected by a detection device 16, rotating the motor 1 clockwise for selection, and the feed roller shaft 3 is detached from the motor 1, while a gear 6a engaging a gear 4 is turned round counterclockwise, making a one-way clutch 6 into operation, and a cam 8 installed in a shaft 7 is rotated in the same direction, then the movable blade 15 is pushed upward via the pin 9 and a lever 10, and the recording paper 7 is cut off by the joint action of both blades 14 and 15. Afterward, further the motor 1 is turned round clockwise, putting the movable blade 15 back in its original position, and the feed roller 3 is rotated in the same direction, thus the recording paper 17 being left over from the cutting is put back to a record starting position.

Description

【発明の詳細な説明】 技術分野 本発明は記録媒体送り機構に係り、さらに詳しくは、搬
送ローラーの正逆回転により連続した記録媒体の記録部
を切断部で切断した後、記録媒体の未記録部分を記録位
置に戻す記録媒体送り機構に関する。
Detailed Description of the Invention Technical Field The present invention relates to a recording medium feeding mechanism, and more specifically, after cutting continuous recording portions of a recording medium at a cutting section by forward and reverse rotation of a conveyance roller, unrecorded portions of the recording medium are removed. It relates to a recording medium transport mechanism that returns a portion to a recording position.

従来技術 従来ファクシミリ装置などに組み込まれているこの種の
装置は、記録媒体、即ち記録紙の搬送のだめの駆動源な
どとは別に、記録紙切断のためのカッターの駆動用の駆
動源を、それぞれ独立して必要としていた。それ故当然
高価となるばかりでなく、その分容積も増し従って装置
が大型になるという欠点があった。
Prior Art This type of device, which is incorporated in conventional facsimile machines, has a drive source for driving a cutter for cutting the recording paper, in addition to a drive source for conveying the recording medium, that is, recording paper. I needed independence. Therefore, it is not only expensive, but also has the disadvantage that the volume increases accordingly, making the device larger.

又、記録紙搬送駆動源とカッター駆動源を共通した場合
、電磁クラッチ等を必要としていた。さらに交信の駆動
源、例えば読取搬送用駆動源と、カッター駆動源とを共
通化した場合、読取と記録を並列処理することができず
、且つ動力伝達機構が複雑になってしまうという欠点が
あった。
Furthermore, when the recording paper transport drive source and the cutter drive source are shared, an electromagnetic clutch or the like is required. Furthermore, if the drive source for communication is shared, for example, the drive source for reading and conveyance, and the drive source for the cutter, there are disadvantages in that reading and recording cannot be processed in parallel, and the power transmission mechanism becomes complicated. Ta.

目的 本発明は以上のような従来の欠点を除去するためになさ
れたもので、簡単な機造で、且つ安価で、軽量であるほ
か、読取系等の他の駆動部とは独立して動作できる記録
媒体送り機構を提供することを目的としている。
Purpose The present invention was made in order to eliminate the above-mentioned drawbacks of the conventional technology.It has a simple structure, is inexpensive, is lightweight, and operates independently of other driving parts such as a reading system. The purpose is to provide a recording medium feeding mechanism that can.

実施例 以下図面に示す実施例に基いて、本発明の詳細な説明す
る。
EXAMPLES The present invention will be described in detail below based on examples shown in the drawings.

第1図〜第5図は本発明の一実施例を説明するもので、
図中符号1で示すものは駆動源であるモーターで、正逆
いづれの方向へも回転可能な構造のものである。モータ
ーlの回転は、モーター軸laに固設されたモータープ
ーリー11)によってベルト2へ伝えられ、搬送ローラ
ー3と一体の軸3aに遊嵌されたブー!J−4cに伝わ
る如く構成されている。ブー’J −4cと一体のギヤ
4は、軸3aと遊嵌する穴のはゾ半周をこえた部分が切
欠かれ、回転方向の端面4aと4bを有する。この場合
第4図に示した如く、モーターIの反時計方向回転によ
ってギヤ4も反時計方向回転して、端面4aがローラー
軸3aに植設されたピン5と接するようになる。
Figures 1 to 5 illustrate an embodiment of the present invention.
The reference numeral 1 in the figure indicates a motor as a driving source, which has a structure capable of rotating in either forward or reverse directions. The rotation of the motor l is transmitted to the belt 2 by a motor pulley 11) fixedly attached to the motor shaft la, and the rotation of the motor l is transmitted to the belt 2 by a motor pulley 11) fixed to the motor shaft la. It is configured as shown in J-4c. The gear 4, which is integrated with the Boo'J-4c, is cut out beyond half the circumference of the hole into which the shaft 3a is loosely fitted, and has end surfaces 4a and 4b in the rotational direction. In this case, as shown in FIG. 4, as the motor I rotates counterclockwise, the gear 4 also rotates counterclockwise, so that the end surface 4a comes into contact with the pin 5 implanted in the roller shaft 3a.

ギヤ4と係合してその回転を伝える手段、例えば歯車6
aをその外周に有するワンウェイクラッチ6は、第5図
に示した如く、モーター1が時計方向回転したときのみ
、その回転を軸7に伝え、軸7と一体化したカム8へも
同時に回転を伝えている。モーター1が反時計方向回転
した場合には、ワンウェイクラッチ6がフリーとなって
、軸7へは回転が伝わらず、従ってカム8は回転しない
A means that engages with the gear 4 and transmits its rotation, such as a gear 6
As shown in FIG. 5, the one-way clutch 6 having a mark a on its outer periphery transmits the rotation to the shaft 7 only when the motor 1 rotates clockwise, and simultaneously transmits the rotation to the cam 8 integrated with the shaft 7. I'm telling you. When the motor 1 rotates counterclockwise, the one-way clutch 6 becomes free and rotation is not transmitted to the shaft 7, so the cam 8 does not rotate.

モーターIの時計方向回転によって回転するカム8に植
設されたピン9の移動軌跡に接する位置に、回動軸11
を中心として回動し得るレバー10の一端10aが位置
し、他端10bは、回動軸13を中心として回動可能な
カッターの可動刃15に固設されたピン12と対接する
如く配置されている。可動刃15と対向して固定刃14
が設置され、引張ばね18が可動刃15を引張り、常時
は固定刃14と可動刃15との間に、記録紙17が通過
できるすき間19が確保されている。
A rotation shaft 11 is located at a position tangent to the locus of movement of a pin 9 implanted in a cam 8 that rotates as the motor I rotates clockwise.
One end 10a of a lever 10 that can be rotated around a rotation axis 13 is located, and the other end 10b is arranged so as to be in contact with a pin 12 fixed to a movable blade 15 of a cutter that can rotate around a rotation shaft 13. ing. Fixed blade 14 faces movable blade 15
is installed, a tension spring 18 pulls the movable blade 15, and a gap 19 is normally secured between the fixed blade 14 and the movable blade 15 through which the recording paper 17 can pass.

16はピン9の位置を検知するための検出手段で、ピン
9が初期状態、即ち第4図をこ示したように、レバー1
0の一端]Oaにピン9が接近したときにその位置を検
知して、後述する操作によりその状態を再現するための
ものである。
16 is a detection means for detecting the position of the pin 9, and when the pin 9 is in the initial state, that is, as shown in FIG.
0] This is to detect the position when the pin 9 approaches Oa and reproduce that state by the operation described later.

第2図に示したのは、ギヤ4の第1図における矢印Aの
切断面を表わし、第3図はブー’) −4cを第1図矢
印Bで切断した断面を表わしている。
2 shows a cross section of the gear 4 taken along the arrow A in FIG. 1, and FIG. 3 shows a cross section of the gear 4 taken along the arrow B in FIG.

(3) 次に以」二のように構成された本実施例の動作について
説明する。
(3) Next, the operation of this embodiment configured as follows will be explained.

不図示の記録ヘッドにより記録された記録紙17は、搬
送ローラー3によって切断すべき箇所が、固定刃14と
可動刃15のすき間と合致するまで、モーターlの反時
計方向回転で搬送される。第4図に示したように、ピン
9が検出手段16と対向する位置に達したとき、検出手
段16がそれを検知し、モーター1の反時計方向回転を
時計方向の回転に切り換える。その切り換った時計方向
の回転により、ブー’) −4cも時計方向回転となり
、ブー’) −4cと一体のギヤ4の端面4aは、軸3
aに植設されたピン5をその位置に残したま1離れる方
向に移動し、搬送ローラー軸3はモーター1から切り離
された状態になっている。さらにギヤ4によって回され
る歯車6aの反時計方向回転によって、ワンウェイクラ
ッチ6が作動して軸7が回され、それと一体のカム8も
反時計方向回転を始める。
The recording paper 17 recorded by a recording head (not shown) is conveyed by the counterclockwise rotation of the motor 1 until the portion to be cut by the conveyance roller 3 matches the gap between the fixed blade 14 and the movable blade 15. As shown in FIG. 4, when the pin 9 reaches a position facing the detection means 16, the detection means 16 detects this and switches the counterclockwise rotation of the motor 1 to clockwise rotation. Due to the switched clockwise rotation, Boo') -4c also rotates clockwise, and the end face 4a of the gear 4 integrated with Boo') -4c is
The conveyor roller shaft 3 is moved away from the motor 1 while leaving the pin 5 implanted at that position, and the conveyor roller shaft 3 is now separated from the motor 1. Further, due to the counterclockwise rotation of the gear 6a rotated by the gear 4, the one-way clutch 6 is actuated to rotate the shaft 7, and the cam 8 integrated therewith also begins to rotate counterclockwise.

カム8と一体のピン9がレバー10の一44tloa(
4) を押し下げて、その他端10bが可動刃I5のピン12
を押し」二げ、すき間19が閉じて記録紙17は切断さ
れる。(第5図に示した状態)さらにモーター1の時計
方向回転が続き、従ってカム8の反時計方向回転が続く
と、ピン9がレバーIOの一端10aの先端から外れ、
可動刃15は引張ばね18によって引き戻されて、初期
状態のようにカッターのすき間19を生ずる位置に戻る
が、引き続き時計方向回転をしているギヤ4の端面4b
がピン5に当接すると、今まで静止状態であった軸3a
を時計方向に回し始め、同時に搬送ローラー3も同方向
に回って、切断から残った未記録の記録紙17を所定位
置即ち記録開始位置まで引き戻す。
The pin 9 integrated with the cam 8 is one 44tloa (
4) Push down so that the other end 10b is connected to the pin 12 of the movable blade I5.
When the user presses ``,'' the gap 19 closes and the recording paper 17 is cut. (The state shown in FIG. 5) When the motor 1 continues to rotate clockwise, and therefore the cam 8 continues to rotate counterclockwise, the pin 9 comes off from the tip of one end 10a of the lever IO.
The movable blade 15 is pulled back by the tension spring 18 and returns to the position creating the cutter gap 19 as in the initial state, but the end face 4b of the gear 4 continues to rotate clockwise.
comes into contact with the pin 5, the shaft 3a, which has been in a stationary state until now,
begins to rotate clockwise, and at the same time, the conveying roller 3 also rotates in the same direction to pull back the unrecorded recording paper 17 remaining after cutting to a predetermined position, that is, the recording start position.

その後、不図示の制御装置により、モーターlを反時計
方向回転させて、端面4aがピン5に接するまで回転す
ると、第4図に示した状態に復帰することができる。
Thereafter, when the motor 1 is rotated counterclockwise by a control device (not shown) until the end surface 4a comes into contact with the pin 5, the state shown in FIG. 4 can be restored.

して、たて軸方向の」−側に示したのが反時計方向回転
を表わし、下側に示したのが時計方向回転を表わしてい
る。
The ``-'' side of the vertical axis represents counterclockwise rotation, and the bottom side represents clockwise rotation.

今記録中からスタートすると、モーター1とローラー3
はチャートの−1−側であるから、反時計方向回転をし
ており、カム8は、モーターの回転が伝わらず停止して
いることを示している。つぎに記録が終ると図の「切り
始め」の位置となり、モーターlはチャートの下側の時
計方向回転に切り換わる。このときからローラー3は、
端面4aがピン5から離れるので回転せず停止状態とな
る。
If you start from recording now, motor 1 and roller 3
Since it is on the -1- side of the chart, it is rotating counterclockwise, indicating that the cam 8 is stopped because the rotation of the motor is not transmitted to it. Next, when the recording is finished, the position reaches the "cutting start" position shown in the figure, and the motor 1 switches to rotate clockwise at the bottom of the chart. From this point on, roller 3
Since the end face 4a separates from the pin 5, it does not rotate and comes to a stopped state.

「巻き戻し開始」に至る途中において、記録紙の「切断
完了」となり、端面41)がピン5に当接したときから
、停止中であったローラー3が、チャートの下側すなわ
ち時計方向回転をし始めて、記録紙17を巻き戻す。
On the way to the "start of rewinding", the recording paper is "completed" and the end surface 41) comes into contact with the pin 5, and the roller 3, which had been stopped, starts to rotate toward the bottom of the chart, that is, in the clockwise direction. Then, the recording paper 17 is rewound.

「巻き戻し完了」位置に達すると、不図示の制御装置に
より、モーター1の回転が、時計方向から反時計方向へ
と切り換えられ、時計方向回転中であったローラー3は
、ギヤ4が時計方向から反時計方向回転へ切り換ったた
めに、その端面41)がピン5から離れ、つぎに端面4
aがピン5に当接するまでの開停止し、又カム8も、ワ
ンウェイクラッチ6がフリー状態で、回転を伝えないの
で、停止している。端面4aがピン5に当接したとき「
定位置復帰」状態となり、つぎの記録へのスタートシ得
る状態となる。
When the "rewinding complete" position is reached, the rotation of the motor 1 is switched from clockwise to counterclockwise by a control device (not shown), and the roller 3, which was rotating clockwise, is rotated clockwise by the gear 4. , the end face 41) is separated from the pin 5, and then the end face 41) is separated from the pin 5.
The opening stops until a contacts the pin 5, and the cam 8 also stops because the one-way clutch 6 is in a free state and does not transmit rotation. When the end surface 4a comes into contact with the pin 5,
The camera enters a state of "return to normal position" and is ready to start the next recording.

この図から、次に示す条件を満たすように、伝達系を決
定すれば、切断毎の復元性が保たれることが解る。
From this figure, it can be seen that if the transmission system is determined so as to satisfy the following conditions, the restorability of each cut can be maintained.

1)記録紙巻き戻しより前に、切断が完了していること
。即ち端面4bがピン5に当接する前に、ピン9がレバ
ー10から外れること。
1) Cutting must be completed before rewinding the recording paper. That is, the pin 9 comes off the lever 10 before the end surface 4b comes into contact with the pin 5.

2)切断開始から巻き戻し完了までの間に、カム8が丁
度1回転すること。
2) The cam 8 must rotate exactly one revolution from the start of cutting to the completion of rewinding.

以」二のように、切断開始時のピン9の位置は、一度決
まれば再現性を保つことができるが、しかし電源が途中
で断たれたり、記録紙が新たにセットされるなど、ユー
ザーにより、駆動系が動かされた場合には、切断開始時
におけるピン9の位置(7) がずれることがあるので、その場合には、ピン位置検出
手段16がピン9を検知するまで、モーターlを時計方
向へ、不図示の制御装置により回転させてから、所定量
モーター1を反時計方向回転させて端面4bがピン5を
離れて端面4aがピン5に当接するまで駆動すれば、切
断開始前の状態に復帰することができる。
As shown in Part 2, once the position of the pin 9 at the start of cutting is determined, reproducibility can be maintained. If the drive system is moved, the position (7) of the pin 9 at the start of cutting may shift. If the motor 1 is rotated clockwise by a control device (not shown) and then rotated counterclockwise by a predetermined amount until the end face 4b leaves the pin 5 and the end face 4a comes into contact with the pin 5, the motor 1 is rotated clockwise by a control device (not shown). can return to the state of

特に、記録紙が新たにセットされた場合には、先端を記
録に先立ち切断するために、」二連した初期設定動作の
後に、1回記録紙を切断する手順を加えて、新らしい記
録紙の先端を正しく切断しておくことを要する。
In particular, when a new recording paper is set, in order to cut the leading edge before recording, a procedure is added to cut the recording paper once after two consecutive initial setting operations. It is necessary to cut the tip correctly.

効果 以」二の説明から明らかなように、本発明によれば、同
一駆動源であるモーターを正逆回転させることにより、
搬送ローラーの正逆回転と、切断時におけるカッターの
可動刃の回転を1つのモーターで行われるようにワンウ
ェイクラッチを含む機構による構成を採用したので、部
品数を減らして装置の小型化及び低価格化が計れるばか
りでなく、(8) カッター駆動源を読゛取駆動源と共通化した場合と比べ
て、読取系、記録系が分離できるので、構造が簡単にな
りかっ又電磁クラッチ等を必要とせずその点においても
安価となり、さらに又記録駆動系とカッター駆動系が構
造」−隣接していることによる機構配置レイアウトが簡
明となり、スペースも小さくてすむという効果が得られ
る。
As is clear from the explanation in the second section, according to the present invention, by rotating the motor, which is the same driving source, in the forward and reverse directions,
We adopted a mechanism that includes a one-way clutch so that a single motor rotates the transport roller forward and backward and rotates the cutter's movable blade during cutting, reducing the number of parts and making the device more compact and inexpensive. (8) Compared to the case where the cutter drive source is shared with the read drive source, the reading system and recording system can be separated, which simplifies the structure and eliminates the need for electromagnetic clutches, etc. In this respect, it is also less expensive, and since the recording drive system and cutter drive system are adjacent to each other, the mechanism layout can be simplified and the space required can be reduced.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図〜第右図は、本発明の詳細な説明するもので、第
1図は本実施例の要部を示す平面図、第2図は第1図に
おける矢印Aの断面図、第3図は同じく矢印Bの断面図
、第4図は記録紙を切断する前の状態を説明する側面図
、第5図は記録紙を切断した直後の状態を説明する側面
図、第6図は、記録紙に記録中の状態から定位置復帰ま
でのモーター1、ローラー3、カム8の回転方向を説明
するタイミング図である。 ■・・・モーター 2・・・ベルト 3・・・搬送ローラー 4・・・ギヤ 4a 、4b・・・端面 訃・・ピン 6・・・ワンウェイクラッチ 8・・・カム 10・・・レバー 14・・・固定刃 15・・・可動刃 16・・・ピン位置検出手段 (11) 第1−図 第2図 第3図
1 to the right figure explain the present invention in detail. FIG. 1 is a plan view showing the main parts of this embodiment, FIG. 2 is a sectional view taken along arrow A in FIG. 1, and FIG. The figure is a sectional view taken along arrow B, FIG. 4 is a side view illustrating the state before cutting the recording paper, FIG. 5 is a side view illustrating the state immediately after cutting the recording paper, and FIG. FIG. 3 is a timing diagram illustrating the rotational directions of the motor 1, roller 3, and cam 8 from a state in which recording is being performed on a recording paper to a return to a normal position. ■... Motor 2... Belt 3... Conveyance roller 4... Gears 4a, 4b... End face... Pin 6... One-way clutch 8... Cam 10... Lever 14... ...Fixed blade 15...Movable blade 16...Pin position detection means (11) Fig. 1 - Fig. 2 Fig. 3

Claims (1)

【特許請求の範囲】[Claims] 連続した記録媒体の記録部をカッターの回動により切断
した後記録媒体の未記録部を記録位置に戻す記録媒体送
り機構において、記録媒体の正逆方向への移動と、切断
時におけるカッターの回動を正逆回転可能な一つのモー
ターにより行うようにしたことを特徴とする記録媒体送
り機構。
In a recording medium feeding mechanism that cuts the recording portion of a continuous recording medium by rotation of a cutter and then returns the unrecorded portion of the recording medium to the recording position, it is necessary to move the recording medium in forward and reverse directions and rotate the cutter during cutting. A recording medium feeding mechanism characterized in that the movement is performed by a single motor capable of forward and reverse rotation.
JP58118173A 1983-07-01 1983-07-01 Recording medium feed mechanism Pending JPS6012464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58118173A JPS6012464A (en) 1983-07-01 1983-07-01 Recording medium feed mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58118173A JPS6012464A (en) 1983-07-01 1983-07-01 Recording medium feed mechanism

Publications (1)

Publication Number Publication Date
JPS6012464A true JPS6012464A (en) 1985-01-22

Family

ID=14729927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58118173A Pending JPS6012464A (en) 1983-07-01 1983-07-01 Recording medium feed mechanism

Country Status (1)

Country Link
JP (1) JPS6012464A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565526A1 (en) * 1984-06-11 1985-12-13 Eaton Corp PRINTING APPARATUS AND CUTTING MECHANISM
US5041845A (en) * 1987-10-13 1991-08-20 Canon Kabushiki Kaisha Heat transfer recording apparatus with a common drive source for selective plural functions
EP0516118A2 (en) * 1991-05-29 1992-12-02 Canon Kabushiki Kaisha Recording apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565526A1 (en) * 1984-06-11 1985-12-13 Eaton Corp PRINTING APPARATUS AND CUTTING MECHANISM
US5041845A (en) * 1987-10-13 1991-08-20 Canon Kabushiki Kaisha Heat transfer recording apparatus with a common drive source for selective plural functions
EP0516118A2 (en) * 1991-05-29 1992-12-02 Canon Kabushiki Kaisha Recording apparatus
US5413426A (en) * 1991-05-29 1995-05-09 Canon Kabushiki Kaisha Recording apparatus

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