JPH0632369Y2 - Ink ribbon cassette - Google Patents
Ink ribbon cassetteInfo
- Publication number
- JPH0632369Y2 JPH0632369Y2 JP7416192U JP7416192U JPH0632369Y2 JP H0632369 Y2 JPH0632369 Y2 JP H0632369Y2 JP 7416192 U JP7416192 U JP 7416192U JP 7416192 U JP7416192 U JP 7416192U JP H0632369 Y2 JPH0632369 Y2 JP H0632369Y2
- Authority
- JP
- Japan
- Prior art keywords
- ribbon
- drive roller
- engaging
- ribbon cassette
- ribbon drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、印紙装置などに用いら
れるインクリボンカセットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink ribbon cassette used in a printing apparatus or the like.
【０００２】[0002]
【従来の技術】インクリボンカセットでは、両端部が取
付部材に着脱可能に係合されるとともに一端部側にイン
クリボンを駆動するリボン駆動ローラが配設されてお
り、取付部材に取り付けたときにリボン駆動ローラに外
部の駆動軸が嵌合され、取付部材から取り外したときに
リボン駆動ローラが駆動軸から離脱されるようになって
いる。2. Description of the Related Art In an ink ribbon cassette, both ends are detachably engaged with a mounting member, and a ribbon drive roller for driving an ink ribbon is arranged on one end side. An external drive shaft is fitted to the drive roller, and the ribbon drive roller is detached from the drive shaft when detached from the mounting member.
【０００３】ところで、駆動軸はインクリボンカセット
を取り付ける際に一般的にインクリボンカセットの底面
側よりリボン駆動ローラに嵌合されるようになってお
り、インクリボンカセットを取り外す際にはインクリボ
ンカセットを略水平な状態、あるいはリボン駆動ローラ
の配設側の端部が持ち上がった状態で取り外せば、リボ
ン駆動ローラが駆動軸から引っ掛かりなく円滑に離脱さ
れる。When the ink ribbon cassette is attached, the drive shaft is generally fitted into the ribbon drive roller from the bottom side of the ink ribbon cassette, and when the ink ribbon cassette is removed, the ink ribbon cassette is substantially horizontal. When the ribbon drive roller is removed in the state or in the state where the end portion on the side where the ribbon drive roller is disposed is lifted, the ribbon drive roller is smoothly detached from the drive shaft without being caught.
【０００４】[0004]
【考案が解決しようとする課題】ところが、従来のイン
クリボンカセットにあっては、取付部材への着脱用の取
手が取付部材への係合位置を基準として中央部に設けら
れていた。このため、インクリボンカセットを取り外す
際に、取手を持つ位置によってはリボン駆動ローラの非
配設側にリボン駆動ローラの配設側よりも大きな力が作
用してリボン駆動ローラの非配設側の端部がリボン駆動
ローラの配設側の端部よりも先に取付部材から外れ、リ
ボン駆動ローラの非配設側の端部が持ち上がった状態で
インクリボンカセットが取り外されることがあった。そ
して、このような場合には、リボン駆動ローラが駆動軸
に引っ掛かってインクリボンカセットの取り外しが困難
となったり、さらにインクリボンカセットを無理に外そ
うとすると、駆動軸が破損するという問題が生じてい
た。However, in the conventional ink ribbon cassette, the handle for attaching / detaching to / from the mounting member is provided in the central portion with reference to the engaging position of the mounting member. Therefore, when removing the ink ribbon cassette, depending on the position where the handle is held, a larger force is applied to the non-arrangement side of the ribbon drive roller than the arrangement side of the ribbon drive roller, and the end of the non-arrangement side of the ribbon drive roller is affected. The ink ribbon cassette may be removed while the end portion of the ribbon drive roller disengages from the mounting member before the end portion on the side where the ribbon drive roller is disposed, and the end portion on the side where the ribbon drive roller is not disposed is lifted. In such a case, there is a problem in that the ribbon drive roller is caught by the drive shaft and it becomes difficult to remove the ink ribbon cassette, and further, when the ink ribbon cassette is forcibly removed, the drive shaft is damaged. .
【０００５】本考案は、取付部材から取り外す際に、常
にリボン駆動ローラを駆動軸から円滑に離脱させること
ができるインクリボンカセットを得ることが目的であ
る。It is an object of the present invention to obtain an ink ribbon cassette which can always smoothly remove the ribbon drive roller from the drive shaft when detaching it from the mounting member.
【０００６】[0006]
【課題を解決するための手段】本考案は、両端部が取付
部材に着脱可能に係合されるとともに一端部側にインク
リボンを駆動するリボン駆動ローラが配設され、取付部
材に取り付けたときにリボン駆動ローラに外部の駆動軸
が嵌合され、取付部材からの取り外したときにリボン駆
動ローラが駆動軸から離脱されるインクリボンカセット
であって、当該インクリボンカセットのカセットケース
上面には、着脱用の取手が中央部を境としてリボン駆動
ローラの配設側の領域に設けられていることを特徴とし
ている。According to the present invention, when both ends are detachably engaged with a mounting member and a ribbon drive roller for driving an ink ribbon is disposed at one end side, the ribbon driving roller is mounted on the mounting member. An external drive shaft is fitted to the ribbon drive roller, and the ribbon drive roller is detached from the drive shaft when removed from the mounting member. The handle is provided in a region on the side where the ribbon drive roller is arranged, with the central part as a boundary.
【０００７】[0007]
【作用】本考案によれば、カセットケース上面に、着脱
用の取手が中央部を境としてリボン駆動ローラの配設側
の領域に設けられているので、取付部材から取り外す際
には常に中央部を境としてリボン駆動ローラの配設側に
リボン駆動ローラの非配設側よりも大きな力が作用し、
このためリボン駆動ローラの非配設側の端部が持ち上が
った状態で取付部材から取り外されることがなく、常に
リボン駆動ローラを駆動軸から円滑に離脱させることが
できる。According to the present invention, since the handle for attachment and detachment is provided on the upper surface of the cassette case in the region on the side where the ribbon drive roller is disposed with the central portion as a boundary, the central portion is always removed when detaching from the mounting member. With a border as a boundary, a larger force acts on the side where the ribbon drive roller is arranged than on the side where the ribbon drive roller is not arranged,
Therefore, the ribbon drive roller is not detached from the mounting member in a state where the end portion on the non-arranged side is lifted, and the ribbon drive roller can always be smoothly separated from the drive shaft.
【０００８】[0008]
【実施例】以下、図面に基づいて本考案の一実施例につ
いて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００９】図１に示すように、プラテン１と対向的に
印字ヘッド２が配設されており、印字ヘッド２は、ガイ
ド軸３に摺動自在に支持されているキャリッジ４を介し
て、プラテン１の軸方向に往復移動せしめられるように
なっている。As shown in FIG. 1, a print head 2 is arranged to face the platen 1, and the print head 2 is mounted on a platen via a carriage 4 slidably supported by a guide shaft 3. It can be reciprocated in the axial direction of 1.
【００１０】そして、本考案に係るインクリボンカセッ
トには、リボンカセット本体５の両端部に前方へ向って
一体的に延出する腕部５ａ，５ａが設けてあり、プラテ
ン１に巻回されている記録紙６と印字ヘッド２との間に
は、腕部５ａ，５ａの間に露出しているインクリボン７
が挿置されている。インクリボン７はエンドレスのもの
であって、その大部分はリボンカセット本体５の内部
（図示せず）につづら折り状に降り畳まれた状態で収納
されており、リボンカセット本体５の一端部に設けてあ
るリボン駆動ローラ８（図２，図４に図示）を図１の矢
印方向に回転せしめることによって反時計回りに走行さ
れるようになっている。図２，図４に示すようにリボン
駆動ローラ８には、リボンカセット本体５の底面を介し
て外部に向かって開口する軸孔８ａが開設されており、
リボンカセット本体５を取り付けたときに、外部に設け
てある駆動軸９が軸孔８ａに嵌入し、リボンカセット本
体５を取り外したときに駆動軸９から離脱するようにな
っている。なお駆動軸９は図示しない駆動機構によって
回転駆動されるものである。In the ink ribbon cassette according to the present invention, arms 5a, 5a extending integrally forward are provided at both ends of the ribbon cassette body 5 and wound around the platen 1. Between the recording paper 6 and the print head 2, the ink ribbon 7 exposed between the arms 5a, 5a.
Has been inserted. The ink ribbon 7 is an endless one, and most of the ink ribbon 7 is housed inside the ribbon cassette body 5 (not shown) in a folded and folded state and is provided at one end of the ribbon cassette body 5. The ribbon drive roller 8 (shown in FIGS. 2 and 4) is rotated in the direction of the arrow in FIG. 1 so that it can run counterclockwise. As shown in FIGS. 2 and 4, the ribbon drive roller 8 is provided with a shaft hole 8a that is open to the outside through the bottom surface of the ribbon cassette body 5,
When the ribbon cassette body 5 is attached, the drive shaft 9 provided outside is fitted into the shaft hole 8a, and is detached from the drive shaft 9 when the ribbon cassette body 5 is removed. The drive shaft 9 is rotationally driven by a drive mechanism (not shown).
【００１１】図１，図２に示すようにリボンカセット本
体５には、リボン駆動ローラ８の配設側の端部側壁に係
合部１２，１３が設けてあるとともにリボン駆動ローラ
８の非配設側の端部側壁に係合部１４，１５が設けてあ
り、これらの各係合部はそれぞれ下方に向って一体的に
垂下されており、リボンカセット本体５を取付ける取付
部材１６，１７には、上述の係合部１２，１３と係合し
てリボンカセット本体５のリボン駆動ローラ８の配設側
の端部を係止する係止部１８，１９および係合部１４，
１５と係合してリボンカセット本体５のリボン駆動ロー
ラ８の非配設側の端部を係止する係止部２０，２１が設
けてある。各係合部はそれぞれ対応する係止部に弾性的
に係合する弾性片となっており、図３，図４に示すよう
に、各係合部の下端部には突部１２ａ，１３ａ，１４
ａ，１５ａが形成されており、各係止部の上端部に形成
された突部１８ａ，１９ａ，２０ａ，２１ａとぞれぞれ
係合するように構成されている。そして、図３、図４に
示すようにリボンカセット本体５のリボン駆動ローラ８
の配設側の端部に設けてある一方の係合部１４の突部１
４ａと係止部２０の突部２０ａとは、他の係合部１２，
１３，１５の突部１２ａ，１３ａ，１５ａと係止部１
８，１９，２１の突部１８ａ，１９ａ，２１ａとが互い
に斜面で係合しているのに対して、互いに水平面で係合
するように構成されている。そしてさらに係合部１４
は、他の係合部１２，１３，１５と比較して厚く形成し
て剛性を高めてあるため、係合部１４と係止部２０との
係合力は、他の係合部１２，１３，１５と係止部１８，
１９，２１との係合力よりも強いものとなっている。As shown in FIGS. 1 and 2, the ribbon cassette main body 5 is provided with engaging portions 12 and 13 on the end side wall on the side where the ribbon drive roller 8 is disposed and the ribbon drive roller 8 is not disposed. Engaging portions 14 and 15 are provided on the end side wall on the installation side, and these engaging portions are integrally hung downward, and are attached to the attaching members 16 and 17 to which the ribbon cassette main body 5 is attached. Are engaging portions 18 and 19 and engaging portions 14 and 19 which engage with the above-mentioned engaging portions 12 and 13 to engage the end portion of the ribbon cassette body 5 on the side where the ribbon drive roller 8 is disposed.
Locking portions 20 and 21 which are engaged with 15 and lock the end of the ribbon cassette body 5 on the non-arranged side of the ribbon drive roller 8 are provided. Each engaging portion is an elastic piece that elastically engages with the corresponding locking portion, and as shown in FIGS. 3 and 4, the lower end portion of each engaging portion has projections 12a, 13a, 14
a, 15a are formed, and are configured to engage with the protrusions 18a, 19a, 20a, 21a formed on the upper ends of the respective locking portions, respectively. Then, as shown in FIGS. 3 and 4, the ribbon drive roller 8 of the ribbon cassette body 5 is
Of the one engaging portion 14 provided at the end on the side where the
4a and the projecting portion 20a of the locking portion 20, the other engaging portion 12,
Protrusions 12a, 13a, 15a of 13, 15 and locking portion 1
The protrusions 18a, 19a, 21a of the 8, 19, 21 are engaged with each other on a slanted surface, while they are engaged with each other on a horizontal surface. Further, the engaging portion 14
Is thicker than the other engaging portions 12, 13 and 15 to increase the rigidity, the engaging force between the engaging portion 14 and the engaging portion 20 is different from that of the other engaging portions 12, 13 and 15. , 15 and locking part 18,
It is stronger than the engaging force with 19, 21.
【００１２】また、リボンカセット本体５には、図１，
図２に示すように上部にリボンカセット本体５とでカセ
ットケースを構成する蓋体１０が取り付けられており、
この蓋体１０の上面には、リボンカセット本体５の着脱
時に把持される取手１１が中央部を境としてリボン駆動
ローラ８の配設側の領域に設けてある。なお、８ｂは駆
動ローラ８の手動操作用のツマミである。Further, the ribbon cassette body 5 has a structure shown in FIG.
As shown in FIG. 2, a lid 10 that constitutes a cassette case is attached to the upper portion of the ribbon cassette body 5 as shown in FIG.
On the upper surface of the lid body 10, a handle 11 that is gripped when the ribbon cassette body 5 is attached and detached is provided in a region on the side where the ribbon drive roller 8 is disposed with the central portion as a boundary. Reference numeral 8b is a knob for manually operating the drive roller 8.
【００１３】したがって、リボンカセット本体５を取り
外す際に、取手１１を把持して上方に引上げれば、常に
中央部を境としてリボン駆動ローラ８の配設側にリボン
駆動ローラ８の非配設側よりも大きな力が作用し、この
ためリボン駆動ローラ８の非配設側の端部が持ち上がっ
た状態でリボンカセット本体５が取り外されることがな
く、常にリボン駆動ローラ８を駆動軸９から円滑に離脱
させることができる。これにより、常にリボンカセット
本体５を引っ掛かりなく容易に取り外すことができ、さ
らには駆動軸９の破損も防止できる。Therefore, when the ribbon cassette main body 5 is removed, if the grip 11 is grasped and pulled upward, the ribbon drive roller 8 is always disposed with the ribbon drive roller 8 not having the central portion as a boundary. Since a larger force is applied to the ribbon drive roller 8, the ribbon cassette body 5 is not removed with the end portion of the ribbon drive roller 8 on the non-disposed side being lifted, and the ribbon drive roller 8 is always smoothly moved from the drive shaft 9. Can be released. As a result, the ribbon cassette body 5 can always be easily removed without being caught, and the drive shaft 9 can be prevented from being damaged.
【００１４】また、本実施例では、係合部１４と係止部
２０との係合力が、他の係合部１２，１３，１５と係止
部１８，１９，２１との係合力よりも強い設定されてリ
ボン駆動ローラ８の非配設側の端部の係合力がリボン駆
動ローラ８の配設側の端部の係合力よりも強くなるよう
に構成されているので、リボンカセット本体５を取り外
す際には、図２に示すようにリボン駆動ローラ８の配設
側の端部が自動的に先に外れて常にリボン駆動ローラ８
の配設側の端部が持ち上った状態で取り外され、これに
よっても常にリボン駆動ローラ８を駆動軸９から円滑に
離脱させることができる。Further, in this embodiment, the engaging force between the engaging portion 14 and the engaging portion 20 is larger than the engaging force between the other engaging portions 12, 13, 15 and the engaging portions 18, 19, 21. Since the setting is made to be stronger and the engaging force of the end portion of the ribbon drive roller 8 on the non-disposition side is stronger than the engaging force of the end portion of the ribbon drive roller 8 on the disposition side, the ribbon cassette main body 5 When detaching the ribbon drive roller 8, as shown in FIG.
The ribbon drive roller 8 can be smoothly removed from the drive shaft 9 at all times by removing the end portion on the side where the ribbon drive roller is raised.
【００１５】なお、本実施例においては、リボンカセッ
ト本体５の両端部に設けた各係合部を下端部に突部を形
成した弾性片とし、取付部材に設けた各係止部の上端部
に突部を形成して、各係合部と各係止部とを係合せしめ
ることによってリボンカセット本体５を取り付けるよう
に構成し、リボン駆動ローラ８の非配設側の端部に設け
た一方の係合部１４と係止部２０との係合力を他の各係
合部と各係止部との係合力よりも強くなるように構成し
てリボン駆動ローラ８の非配設側の端部の係合力をリボ
ン駆動ローラ８の配設側の端部の係合力よりも強くなる
ように構成した例を示した。しかし、係合部および係止
部の形状は、上述の例に限定されるものではなく、例え
ば、リボンカセット本体の両端部にボス状の係合部を突
設し、取付部材に穴状の係止部を設けて、リボン駆動ロ
ーラ８の非配設側の端部に設けた係合部とこれに係合す
る取付部材の係止部との係合力をリボン駆動ローラ８の
配設側の端部に設けた係合部とこれに係合する取付部材
の係止部との係合力より強いものに構成してもよい。In this embodiment, the engaging portions provided at both ends of the ribbon cassette body 5 are elastic pieces having protrusions at the lower end, and the upper ends of the engaging portions provided at the mounting member. The ribbon cassette main body 5 is mounted by forming a protrusion on the ribbon drive roller and engaging each engaging portion with each locking portion, and is provided at the end of the ribbon drive roller 8 on the non-arranged side. The engaging force between the one engaging portion 14 and the engaging portion 20 is configured to be stronger than the engaging force between the other engaging portions and the engaging portions, so that the ribbon drive roller 8 is not disposed. An example is shown in which the engaging force of the end portion is made stronger than the engaging force of the end portion on the side where the ribbon drive roller 8 is disposed. However, the shapes of the engaging portion and the locking portion are not limited to the above-mentioned example, and, for example, boss-like engaging portions are provided at both ends of the ribbon cassette main body so that the attaching member has a hole-like shape. By providing the locking portion, the engagement force between the engaging portion provided at the end portion of the ribbon driving roller 8 on the non-disposing side and the locking portion of the mounting member that engages with the engaging portion is applied to the ribbon driving roller 8 The engaging force may be stronger than the engaging force between the engaging portion provided at the end portion of and the engaging portion of the attachment member that engages with the engaging portion.
【００１６】[0016]
【考案の効果】以上詳細に説明したように、本考案に係
るインクリボンカセットでは、カセットケース上面に、
着脱用の取手が中央部を境としてリボン駆動ローラの配
設側の領域に設けられているので、取付部材から取り外
す際には常に中央部を境としてリボン駆動ローラの配設
側にリボン駆動ローラの非配設側よりも大きな力が作用
し、このためリボン駆動ローラの非配設側の端部が持ち
上がった状態で取り外されることがなく、常にリボン駆
動ローラを駆動軸から円滑に離脱させることができ、こ
の結果、常に取付部材から引っ掛かりなく容易に取り外
すことができ、さらには駆動軸の破損を防止することが
できるという優れた効果を有する。As described above in detail, in the ink ribbon cassette according to the present invention,
Since the attachment / detachment handle is provided in the region on the side where the ribbon drive roller is disposed with the central portion as a boundary, the ribbon drive roller is always disposed on the side where the ribbon drive roller is disposed with the central portion as a boundary when detaching from the mounting member. Since a force larger than that on the non-disposed side of the ribbon drive roller is applied, the ribbon drive roller is not removed in a state where the end portion on the non-disposed side of the ribbon drive roller is lifted, and the ribbon drive roller is always smoothly separated from the drive shaft. As a result, it has an excellent effect that it can always be easily removed from the mounting member without being caught and the drive shaft can be prevented from being damaged.
【図１】本考案が適用されたインクリボンカセットの平
面図である。FIG. 1 is a plan view of an ink ribbon cassette to which the present invention is applied.
【図２】インクリボンカセットの取り外し時の状態を示
す背面図である。FIG. 2 is a rear view showing a state when the ink ribbon cassette is removed.
【図３】図１のＡ−Ａ線に沿う一部切欠拡大断面図であ
る。3 is a partially cutaway enlarged sectional view taken along the line AA of FIG.
【図４】図１のＢ−Ｂ線に沿う一部切欠拡大断面図であ
る。4 is a partially cutaway enlarged cross-sectional view taken along the line BB of FIG.
８ リボン駆動ローラ ９ 駆動軸 １１ 取手 8 Ribbon drive roller 9 Drive shaft 11 Handle
Claims (1)
るとともに一端部側にインクリボンを駆動するリボン駆
動ローラが配設され、上記取付部材に取り付けたときに
上記リボン駆動ローラに外部の駆動軸が嵌合され、上記
取付部材からの取り外したときに上記リボン駆動ローラ
が上記駆動軸から離脱されるインクリボンカセットであ
って、 当該インクリボンカセットのカセットケース上面には、
着脱用の取手が中央部を境として上記リボン駆動ローラ
の配設側の領域に設けられていることを特徴とするイン
クリボンカセット。1. A ribbon drive roller for driving an ink ribbon is disposed at one end of the ribbon drive roller, the both ends of which are detachably engaged with the attachment member, and the ribbon drive roller is externally attached to the ribbon drive roller when attached to the attachment member. The drive shaft of the ink ribbon cassette is fitted, and the ribbon drive roller is detached from the drive shaft when the drive shaft is removed from the mounting member.
An ink ribbon cassette, wherein a detachable handle is provided in a region on a side where the ribbon drive roller is disposed, with a central portion as a boundary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7416192U JPH0632369Y2 (en) | 1992-10-23 | 1992-10-23 | Ink ribbon cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7416192U JPH0632369Y2 (en) | 1992-10-23 | 1992-10-23 | Ink ribbon cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0572451U JPH0572451U (en) | 1993-10-05 |
| JPH0632369Y2 true JPH0632369Y2 (en) | 1994-08-24 |
Family
ID=13539157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7416192U Expired - Lifetime JPH0632369Y2 (en) | 1992-10-23 | 1992-10-23 | Ink ribbon cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632369Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5387641B2 (en) * | 2011-09-22 | 2014-01-15 | 沖電気工業株式会社 | Automatic transaction equipment |
| JP5545404B2 (en) * | 2013-10-10 | 2014-07-09 | 沖電気工業株式会社 | Media processing device |
-
1992
- 1992-10-23 JP JP7416192U patent/JPH0632369Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0572451U (en) | 1993-10-05 |
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