JPS6099689A - ink ribbon cassette - Google Patents
ink ribbon cassetteInfo
- Publication number
- JPS6099689A JPS6099689A JP59148074A JP14807484A JPS6099689A JP S6099689 A JPS6099689 A JP S6099689A JP 59148074 A JP59148074 A JP 59148074A JP 14807484 A JP14807484 A JP 14807484A JP S6099689 A JPS6099689 A JP S6099689A
- Authority
- JP
- Japan
- Prior art keywords
- ink ribbon
- ribbon cassette
- drive roller
- drive
- roller
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J32/00—Ink-ribbon cartridges
- B41J32/02—Ink-ribbon cartridges for endless ribbons
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
従来、プリンタ等に使用されるインクリボンカセットの
内部構造の一例を第１図および第２図に示す。DETAILED DESCRIPTION OF THE INVENTION An example of the internal structure of an ink ribbon cassette conventionally used in printers and the like is shown in FIGS. 1 and 2.
第１図において、インクリボンカセット１内に収納され
ているインクリボン２は駆動ローラ３と従動ローラ４で
圧接挾持され、駆動手段（図示せず）によって駆動ロー
ラ３が回転し、インクリボン２はインクリボン収納室５
へ押し込まれてインクリボン２の送行が行なわれる。こ
こで、インクリボンカセット１内の駆動ローラ３が駆動
手段と係合し、入方向にのみ回転し７ておれば問題はな
い。In FIG. 1, an ink ribbon 2 housed in an ink ribbon cassette 1 is held in pressure contact between a drive roller 3 and a driven roller 4, and the drive roller 3 is rotated by a drive means (not shown), and the ink ribbon 2 is inked. Ribbon storage room 5
When the ink ribbon 2 is pushed into the ink ribbon 2, the ink ribbon 2 is fed. Here, there is no problem as long as the drive roller 3 in the ink ribbon cassette 1 engages with the drive means and rotates only in the input direction 7.
しかし従来、インクリボンカセット１が、駆動手段より
離脱されると、駆動ローラ３はどちらの方向へも自由に
回転できる構造となっている。今、インクリボンカセッ
ト１を手に持って第２図に示すように駆動ロー２３をＢ
方向へ回転させた時、インクリボン２はインクリボンカ
セット１の通路６内へ押し込まれ、この通路６の空間が
狭いため、インクリボン２のジャミング、破損等を生じ
、使用不能となる。この結果インクリボンカセット１を
交換しなくてはならなくなる事態を招く危険性があった
。However, conventionally, when the ink ribbon cassette 1 is removed from the drive means, the drive roller 3 is structured to be able to rotate freely in either direction. Now, hold the ink ribbon cassette 1 in your hand and move the drive row 23 to B as shown in FIG.
When the ink ribbon 2 is rotated in this direction, the ink ribbon 2 is pushed into the passage 6 of the ink ribbon cassette 1, and since the space in the passage 6 is narrow, the ink ribbon 2 may be jammed or damaged, making it unusable. As a result, there was a risk that the ink ribbon cassette 1 would have to be replaced.
本発明はかかる欠点を一掃するだめのもので、駆動ロー
ラとインクリボンカセットとの間に逆回転防止機構を設
けて信頼性の高いインクリボンカセットを提供するもの
である。The present invention aims to eliminate such drawbacks and provides a highly reliable ink ribbon cassette by providing a reverse rotation prevention mechanism between the drive roller and the ink ribbon cassette.
以下、図面に示す実施例に基づいて本発明を説明゛する
。The present invention will be explained below based on embodiments shown in the drawings.
第３図および第４図において、プリンタ本体あるいは印
字ヘッド（図示せず）を搭載したキャリソジ（図示せず
）に設けられたインクリボンを駆動するだめの駆動軸７
がインクリボンカセット８内に設けられた駆動ローラ９
と係合している。駆動ローラ９は従動ローラ１０と挾持
し、従動ローラ１０はバネ部材１１により駆動ローラ９
を付勢している。駆動ローラ９の側下面１１には逆転を
防ぐためにつめ１２が設けられ、インクリボンカセット
側に設けられたつめ１３と係合しあっている。第３図に
示すように、駆動軸７が駆動ローラ９に係合すると、駆
動軸７が駆動ローラ９を矢印Ｃ方向へ押し上げるので駆
動ロー′５１９とインクリボンカセット８とのつめ１２
．１３によるロックがはずれ、スムーズな回転が可能と
なる。一般に駆動軸７は一方向（Ｄ方向）にのみ回転す
るようになっているため、この場合、逆転することはな
い。In FIGS. 3 and 4, a drive shaft 7 for driving an ink ribbon provided on a printer body or a cartridge (not shown) on which a print head (not shown) is mounted
is a drive roller 9 provided in the ink ribbon cassette 8.
is engaged with. The driving roller 9 is sandwiched between the driven roller 10 and the driven roller 10 is connected to the driving roller 9 by a spring member 11.
is energized. A pawl 12 is provided on the lower side surface 11 of the drive roller 9 to prevent reverse rotation, and engages with a pawl 13 provided on the ink ribbon cassette side. As shown in FIG. 3, when the drive shaft 7 engages with the drive roller 9, the drive shaft 7 pushes up the drive roller 9 in the direction of arrow C, so that the claw 12 between the drive row '519 and the ink ribbon cassette 8
．． 13 is released, allowing smooth rotation. Generally, the drive shaft 7 is configured to rotate only in one direction (direction D), so in this case, it will not rotate in the reverse direction.
しかし、インクリボンカセット８を駆動軸子より離脱さ
せ、手に持って手等によシ駆動ローラ９を回転させた場
合、回転されるために、駆動ローラ９は矢印Ｅ方向へ力
が働きＦ方向への回転は可能であるが、Ｇ方向へはつめ
１２．１３によりロックされ、回転不可能となる。However, when the ink ribbon cassette 8 is removed from the drive shaft and the drive roller 9 is rotated by hand, etc., a force is exerted on the drive roller 9 in the direction of the arrow E and the drive roller 9 is rotated in the direction of the arrow F. Although it is possible to rotate in the G direction, it is locked by the pawls 12 and 13 and cannot be rotated.
なお、逆転防止機構については、上記の主旨を逸脱しな
い範囲において多種の変形がある。Note that there are various modifications to the reverse rotation prevention mechanism within the scope of the above-mentioned spirit.
以上の説明において明らかなように本発明によれば駆動
ローラとインクリボンカセットとの間に逆転を防ぐため
の機構を設けているため、インクリボンの逆送行を防ぐ
ことができ、インクリボンのジャミングによる破損のな
い信頼性に富んだインクリボンカセットを提供するとと
が可能となり、実用的効果は犬なるものである。As is clear from the above description, according to the present invention, since a mechanism is provided between the drive roller and the ink ribbon cassette to prevent reverse rotation, it is possible to prevent the ink ribbon from being fed backwards, thereby preventing jamming of the ink ribbon. It becomes possible to provide a highly reliable ink ribbon cassette that is free from damage, and the practical effects are significant.
第１図、第２図は一般のインクリボンカセットの内部構
造を示す平面図、第３図および第４図はそれぞれ本発明
の一実施例におけるインクリボンカセットの要部断面図
である。
８・・・・・・インクリボンカセット、９・・・・・・
駆動ローラ、１２，１３・・・・・・つめ。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名′＃
Ｊ１図
？
第２図
？
第３図
第４図1 and 2 are plan views showing the internal structure of a general ink ribbon cassette, and FIGS. 3 and 4 are sectional views of essential parts of an ink ribbon cassette according to an embodiment of the present invention, respectively. 8... Ink ribbon cassette, 9...
Drive roller, 12, 13... pawl. Name of agent: Patent attorney Toshio Nakao and 1 other person'#
J1 diagram? Figure 2? Figure 3 Figure 4
Claims (1)
カセットにおいて、駆動源より回転される前記インクリ
ボンの駆動ローラとインクリボン力セント筐体との間に
逆転防止機構を設けたことを特徴とするインクリボンカ
セット。An ink ribbon cassette storing an endless ink ribbon in an amorphous shape, characterized in that a reversal prevention mechanism is provided between a drive roller of the ink ribbon rotated by a drive source and an ink ribbon force center housing. set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59148074A JPS6099689A (en) | 1984-07-16 | 1984-07-16 | ink ribbon cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59148074A JPS6099689A (en) | 1984-07-16 | 1984-07-16 | ink ribbon cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6099689A true JPS6099689A (en) | 1985-06-03 |
| JPH0121795B2 JPH0121795B2 (en) | 1989-04-24 |
Family
ID=15444632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59148074A Granted JPS6099689A (en) | 1984-07-16 | 1984-07-16 | ink ribbon cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4948274A (en) * | 1989-01-12 | 1990-08-14 | Sercomp Corporation | Ribbon feed mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587591A (en) * | 1978-12-27 | 1980-07-02 | Seiko Epson Corp | Ink ribbon cartridge |
-
1984
- 1984-07-16 JP JP59148074A patent/JPS6099689A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587591A (en) * | 1978-12-27 | 1980-07-02 | Seiko Epson Corp | Ink ribbon cartridge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4948274A (en) * | 1989-01-12 | 1990-08-14 | Sercomp Corporation | Ribbon feed mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0121795B2 (en) | 1989-04-24 |
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