JPH07266653A - Ink ribbon cassette for printer - Google Patents
Ink ribbon cassette for printerInfo
- Publication number
- JPH07266653A JPH07266653A JP5909894A JP5909894A JPH07266653A JP H07266653 A JPH07266653 A JP H07266653A JP 5909894 A JP5909894 A JP 5909894A JP 5909894 A JP5909894 A JP 5909894A JP H07266653 A JPH07266653 A JP H07266653A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- drive
- ink ribbon
- ribbon cassette
- drive shaft
- 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
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ビデオ映像等の記録画
像をハードコピー、いわゆるカラー等の写真として印画
するためのプリンタに使用さ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 printer for printing a recorded image such as a video image as a hard copy, a so-called color photograph.
【０００２】[0002]
【従来の技術】従来、この種プリンタに使用されるイン
クリボンカセットを図８及び図９に示し、図８はインク
リボンカセットにインクリボンの収容状態の斜視図、図
９はインクリボンカセットの分解状態の斜視図を示す。2. Description of the Related Art Conventionally, an ink ribbon cassette used in this type of printer is shown in FIGS. 8 and 9, FIG. 8 is a perspective view of the ink ribbon accommodated in the ink ribbon cassette, and FIG. 9 is a perspective view of the ink ribbon cassette in a disassembled state. The figure is shown.
【０００３】両図において、インクリボンカセットはイ
ンクリボンユニット１と、このインクリボンユニット１
が収容される下ハーフ２及び上ハーフ３からなるカセッ
ト筐体４とから構成されている。In both figures, the ink ribbon cassette is an ink ribbon unit 1, and this ink ribbon unit 1
And a cassette housing 4 composed of a lower half 2 and an upper half 3.
【０００４】インクリボンユニット１は未使用のインク
リボン５を巻付けてある供給スプール軸６と使用済みの
インクリボンを巻取る巻取りスプール軸７を有し、両ス
プール軸６，７の一端側の軸端は図示しない駆動軸によ
り回転駆動される駆動側軸部６ａ，７ａであり、他端側
の軸端は従動側軸部６ｂ，７ｂとなっている。尚、イン
クリボン５にはカラー印画の場合は、図示しないがＹ色
（イエロー）パッチとＭ色（マゼンタ）パッチとＣ色
（シアン）パッチの順に形成されている。The ink ribbon unit 1 has a supply spool shaft 6 around which an unused ink ribbon 5 is wound and a take-up spool shaft 7 around which a used ink ribbon is wound. One end side of both spool shafts 6 and 7. The shaft ends of are drive-side shaft parts 6a and 7a that are rotationally driven by a drive shaft (not shown), and the other shaft ends are driven-side shaft parts 6b and 7b. In the case of color printing, the ink ribbon 5 is formed with a Y color (yellow) patch, an M color (magenta) patch, and a C color (cyan) patch, which are not shown.
【０００５】一方、カセット筐体４の下ハーフ２はほぼ
舟型形状を有し、その一端側に円形状の軸孔８ａ，８ａ
を開口した駆動側軸受部８，８が設けられ、この軸受部
８，８にインクリボンユニット１の駆動側軸部６ａ，７
ａが回転自在に支承される。On the other hand, the lower half 2 of the cassette housing 4 has a substantially boat shape, and has circular shaft holes 8a, 8a at one end thereof.
Drive side bearings 8 and 8 are provided, and the drive side shafts 6a and 7 of the ink ribbon unit 1 are provided in the bearings 8 and 8.
a is rotatably supported.
【０００６】下ハーフ２の他端側には駆動側軸受部８，
８と対向する位置にＵ字状の軸受９ａ，９ａを有する従
動側軸受部９，９が補強リブ１０により支えられた状態
で設けられている。この軸受部９，９にインクリボンユ
ニット１の従動側軸部６ｂ，７ｂが回転自在に支承され
る。また、下ハーフ２の底面には図示しない印画ヘッド
が対応する開口窓１１が形成されている。On the other end side of the lower half 2, a drive side bearing portion 8,
Driven bearing portions 9 and 9 having U-shaped bearings 9a and 9a are provided in a state of being supported by reinforcing ribs 10 at positions facing 8 respectively. The driven shafts 6b and 7b of the ink ribbon unit 1 are rotatably supported by the bearings 9 and 9. Further, an opening window 11 corresponding to a print head (not shown) is formed on the bottom surface of the lower half 2.
【０００７】上ハーフ３は上述した従動側軸受部９，９
のある下ハーフ２の部分に該上ハーフ３の側縁に一体形
成されたばね片１２，１２を下ハーフ２に形成した係合
片２ａに係合して合体される。この上ハーフ３には下ハ
ーフ２の従動側軸受部９，９に対応する位置に押え板ば
ね１３，１３が取付けられている。The upper half 3 has the above-mentioned driven side bearing portions 9, 9
The spring pieces 12, 12 integrally formed on the side edge of the upper half 3 are engaged with the engaging piece 2a formed on the lower half 2 in the portion of the lower half 2 having the above. Pressing leaf springs 13, 13 are attached to the upper half 3 at positions corresponding to the driven-side bearing portions 9, 9 of the lower half 2.
【０００８】このように構成したインクリボンカセット
の組立て方は、まず、インクリボンユニット１の従動側
軸部６ｂ，７ｂが下ハーフ２の従動側軸受部９，９の軸
受９ａ，９ａに上方から支持させ、そして、供給スプー
ル軸６及び巻取りスプール軸７を両スプール軸内に設け
た図示しないコイルばねのばね力に抗して従動側軸受部
９，９側に強く押し付けながら駆動側軸部６ａ，７ａを
下ハーフ２の駆動側軸受部８，８の軸孔８ａ，８ａに挿
通させ、その後、上ハーフ３を下ハーフ２に合体させる
ことによりインクリボンカセットの組立てが完了する。
この際、上ハーフ３に取付けた押え板ばね１３，１３が
従動側軸部６ｂ，７ｂを上から押え、従動側軸部６ｂ，
７ｂの抜出しを防止している。In assembling the ink ribbon cassette thus constructed, first, the driven side shaft portions 6b and 7b of the ink ribbon unit 1 are supported from above by the bearings 9a and 9a of the driven side bearing portions 9 and 9 of the lower half 2. Then, the supply spool shaft 6 and the take-up spool shaft 7 are strongly pressed against the driven-side bearing portions 9 and 9 against the spring force of a coil spring (not shown) provided in both spool shafts, and the drive-side shaft portion 6a. , 7a are inserted into the shaft holes 8a, 8a of the drive-side bearings 8, 8 of the lower half 2, and then the upper half 3 is combined with the lower half 2 to complete the assembly of the ink ribbon cassette.
At this time, the holding leaf springs 13, 13 attached to the upper half 3 hold down the driven side shaft portions 6b, 7b from above, and the driven side shaft portions 6b, 6b,
The removal of 7b is prevented.
【０００９】[0009]
【発明が解決しようとする課題】ところで、上述のよう
に構成した従来のインクリボンカセットは、インクリボ
ン５を全て使い終わると、インクリボンカセットと共に
廃棄していた。しかし、使用済みのインクリボン５自体
は再利用ができないものの、カセット筐体４は再利用可
能であるが、従来のカセット筐体からインクリボンユニ
ットを容易に取外しできる構造でないため、カセット筐
体も廃棄しているのが現状である。By the way, in the conventional ink ribbon cassette configured as described above, when all the ink ribbons 5 are used up, they are discarded together with the ink ribbon cassette. However, although the used ink ribbon 5 itself cannot be reused, the cassette housing 4 can be reused. However, since the ink ribbon unit is not easily detachable from the conventional cassette housing, the cassette housing is also removed. The current situation is that they are discarded.
【００１０】また、カセット筐体４はプラスチック成形
品からできているため、その焼却に際しては有害ガスの
発生もあるため社会的にも問題であると共に、焼却熱は
高温となるため焼却炉を損傷するといった問題も生ず
る。Further, since the cassette housing 4 is made of a plastic molded product, a harmful gas is generated during incineration, which is a social problem, and the incinerator heats up to a high temperature to damage the incinerator. There is also a problem of doing.
【００１１】本発明は、上述したような問題点を解消す
るためになされたもので、カセット筐体からインクリボ
ンユニットを容易に取外し可能にし、カセット筐体の再
利用を可能にして資源の有効利用を果たすことのできる
プリンタのインクリボンカセットを得ることを目的とす
る。The present invention has been made to solve the above-mentioned problems, and makes it possible to easily remove the ink ribbon unit from the cassette housing and reuse the cassette housing to save resources. An object is to obtain an ink ribbon cassette of a printer that can be utilized.
【００１２】[0012]
【課題を解決するための手段】上述の目的を達成するた
め、本発明によるプリンタのインクリボンカセットは、
未使用のインクリボンを巻付けてあるリボン供給軸６と
使用済みのインクリボンを巻取るリボン巻取り軸７との
駆動側軸部６ａ，７ａ及び従動側軸部６ｂ，７ｂが上ハ
ーフ３と下ハーフ２とからなるリボンカセット筐体４の
駆動側軸受部８，８及び従動側軸受部９，９に回転自在
に支持されるプリンタのインクリボンカセットにおい
て、駆動側軸受部８にプリンタの駆動軸により回転駆動
される駆動軸部材１４が軸受けされ、駆動軸部材１４と
駆動側軸部６ａ，７ａとを回転伝達機構を介して連動可
能にしたものである。In order to achieve the above object, an ink ribbon cassette of a printer according to the present invention comprises:
The drive side shaft portions 6a and 7a and the driven side shaft portions 6b and 7b of the ribbon supply shaft 6 around which an unused ink ribbon is wound and the ribbon take-up shaft 7 around which a used ink ribbon is wound up are the upper half 3. In the ink ribbon cassette of the printer, which is rotatably supported by the drive side bearings 8 and 8 and the driven side bearings 9 and 9 of the ribbon cassette housing 4 including the lower half 2, the drive side bearing 8 is used to drive the printer drive shaft. The drive shaft member 14 that is rotatably driven by the bearing is supported by the drive shaft member 14 and the drive side shaft portions 6a and 7a can be interlocked via a rotation transmission mechanism.
【００１３】また、本発明の好ましい実施例によるプリ
ンタのインクリボンカセットは、駆動軸部材１４に対し
て駆動側軸部６ａ，７ａを同軸上に軸受するようにした
ものである。In the ink ribbon cassette of the printer according to the preferred embodiment of the present invention, the drive side shaft portions 6a and 7a are coaxially supported with respect to the drive shaft member 14.
【００１４】また、本発明の好ましい実施例によるプリ
ンタのインクリボンカセットは、駆動軸部材１４及び駆
動側軸部６ａ，７ａが所定距離を隔てて配置され、駆動
軸部材１４と駆動側軸部６ａ，７ａとをその間に介在し
た軸保持部材２２により回転可能に保持するようにした
ものである。In the ink ribbon cassette of the printer according to the preferred embodiment of the present invention, the drive shaft member 14 and the drive side shaft portions 6a and 7a are arranged at a predetermined distance, and the drive shaft member 14 and the drive side shaft portion 6a, 7a and 7a are rotatably held by a shaft holding member 22 interposed therebetween.
【００１５】また、本発明の好ましい実施例によるプリ
ンタのインクリボンカセットは、駆動側軸部６ａ，７ａ
を軸保持部材２２から着脱可能にしたものである。Further, the ink ribbon cassette of the printer according to the preferred embodiment of the present invention has drive side shaft portions 6a and 7a.
Is detachable from the shaft holding member 22.
【００１６】また、本発明の好ましい実施例によるプリ
ンタのインクリボンカセットは、軸保持部材２２は駆動
軸部材１４の軸孔１７に係合し保持する凸面部２７を有
する第１のばね片２３と、駆動側軸部６ａ，７ａの軸孔
２１に係合し保持する凸面部２８を有する第２のばね片
２４とからなり、回転伝達機構は駆動軸部材１４のフラ
ンジ１５外周部に設けた第１のギア１６と、駆動側軸部
６ａ，７ａのフランジ１９外周部に設けた第２のギア２
０と、両ギア１６，２０に跨がって噛み合う連動ギア３
０とからなるものである。Further, in the ink ribbon cassette of the printer according to the preferred embodiment of the present invention, the shaft holding member 22 has the first spring piece 23 having the convex surface portion 27 which engages with and holds the shaft hole 17 of the drive shaft member 14, A second spring piece 24 having a convex surface portion 28 that engages with and holds the shaft holes 21 of the drive-side shaft portions 6a and 7a, and the rotation transmission mechanism is provided on the outer peripheral portion of the flange 15 of the drive shaft member 14. Gear 16 and the second gear 2 provided on the outer periphery of the flange 19 of the drive side shaft portions 6a, 7a.
0 and interlocking gear 3 that meshes with both gears 16 and 20
It consists of 0 and.
【００１７】また、本発明の好ましい実施例によるプリ
ンタのインクリボンカセットは、駆動軸部材１４を保持
する軸保持部材２２が、該駆動軸部材１４の軸後端を保
持する平板状の板ばね２３からなるものである。Further, in the ink ribbon cassette of the printer according to the preferred embodiment of the present invention, the shaft holding member 22 for holding the drive shaft member 14 includes a flat plate spring 23 for holding the rear end of the drive shaft member 14. It will be.
【００１８】さらに、本発明の好ましい実施例によるプ
リンタのインクリボンカセットは、軸保持部材１４及び
連動ギア３０がリボンカセット筐体４の下ハーフ２に支
持されているものである。Further, in the ink ribbon cassette of the printer according to the preferred embodiment of the present invention, the shaft holding member 14 and the interlocking gear 30 are supported by the lower half 2 of the ribbon cassette housing 4.
【００１９】[0019]
【作用】上述したように構成した本発明のプリンタのイ
ンクリボンカセットは、駆動側軸受部８，８にプリンタ
の駆動軸により回転駆動される駆動軸部材１４が軸受け
され、駆動軸部材１４と駆動側軸部６ａ，７ａとを回転
伝達機構を介して連動可能にしたことにより、プリンタ
側の駆動軸の駆動トルクで駆動軸部材１４を回動し、こ
の駆動軸部材１４から回転伝達機構を介してスプール軸
の駆動側軸部６ａ，７ａを回転させることができる。In the ink ribbon cassette of the printer of the present invention constructed as described above, the drive shaft bearings 8 are rotatably driven by the drive shaft of the printer, and the drive shaft member 14 and the drive side. Since the shaft portions 6a and 7a can be interlocked with each other via the rotation transmission mechanism, the drive shaft member 14 is rotated by the drive torque of the drive shaft on the printer side, and the drive shaft member 14 is rotated via the rotation transmission mechanism. The drive side shaft portions 6a and 7a of the spool shaft can be rotated.
【００２０】また、駆動軸部材１４に対して駆動側軸部
６ａ，７ａを同軸上に軸受するようにしたので、回転伝
達機構の構成が簡略化できる。Further, since the driving side shaft portions 6a and 7a are coaxially supported with respect to the driving shaft member 14, the structure of the rotation transmitting mechanism can be simplified.
【００２１】また、駆動軸部材１４及び駆動側軸部６
ａ，７ａが所定距離を隔てて配置され、駆動軸部材１４
と駆動側軸部６ａ，７ａとをその間に介在した軸保持部
材２２により回転可能に保持するようにしたので、軸保
持部材２２で駆動軸部材１４と駆動側軸部６ａ，７ａの
保持が可能となる。Further, the drive shaft member 14 and the drive side shaft portion 6
a and 7a are arranged at a predetermined distance, and the drive shaft member 14
And the drive side shaft portions 6a, 7a are rotatably held by the shaft holding member 22 interposed therebetween, so that the drive shaft member 14 and the drive side shaft portions 6a, 7a can be held by the shaft holding member 22. Becomes
【００２２】また、駆動側軸部６ａ，７ａを軸保持部材
２２から着脱可能にしたことで、駆動軸部材１４は駆動
側軸受部８に支持した状態のまま、リボン供給軸６及び
リボン巻取り軸７の着脱操作を容易に行うことができ
る。Further, by making the drive side shaft portions 6a and 7a detachable from the shaft holding member 22, the drive shaft member 14 is supported by the drive side bearing portion 8 and the ribbon supply shaft 6 and the ribbon winding The attachment / detachment operation of the shaft 7 can be easily performed.
【００２３】また、軸保持部材２２は駆動軸部材１４の
軸孔１７に係合し保持する凸面部２７を有する第１のば
ね片２３と、駆動側軸部６ａ，７ａの軸孔２１に係合し
保持する凸面部２８を有する第２のばね片２４とからな
り、回転伝達機構は駆動軸部材１４のフランジ１５外周
部に設けた第１のギア１６と、駆動側軸部６ａ，７ａの
フランジ１９外周部に設けた第２のギア２０と、両ギア
１６，２０に跨がって噛み合う連動ギア３０とから構成
したことで、駆動側軸部６ａ，７ａの着脱操作時、第２
のばね片２４が撓んで駆動側軸部６ａ，７ａの軸孔２１
に対する凸面部２８の係脱が行える。また、駆動側軸部
６ａ，７ａの着脱操作時には、駆動側軸部の第２のギア
２０が連動ギア３０に対して係脱される。Further, the shaft holding member 22 is engaged with the first spring piece 23 having the convex surface portion 27 which engages with and holds the shaft hole 17 of the drive shaft member 14, and the shaft hole 21 of the drive side shaft parts 6a, 7a. The rotation transmission mechanism comprises a second spring piece 24 having a convex surface portion 28 which is held together, and the rotation transmission mechanism includes a first gear 16 provided on the outer peripheral portion of the flange 15 of the drive shaft member 14 and the drive side shaft portions 6a and 7a. Since the second gear 20 provided on the outer peripheral portion of the flange 19 and the interlocking gear 30 that straddles both gears 16 and 20 are engaged with each other, the second gear 20 can be used when the drive-side shaft portions 6a and 7a are attached and detached.
Of the spring piece 24 of the drive shaft 6a, 7a
The convex portion 28 can be engaged with and disengaged from the convex portion 28. Further, when the drive-side shaft portions 6a and 7a are attached and detached, the second gear 20 of the drive-side shaft portion is disengaged from the interlocking gear 30.
【００２４】また、駆動軸部材１４を保持する軸保持部
材２２が、該駆動軸部材１４の軸後端を保持する平板状
の板ばね２３から構成したことで、駆動軸部材１４の駆
動側軸受部８への保持が簡単な構成で可能となる。Further, since the shaft holding member 22 holding the drive shaft member 14 is constituted by the flat plate-shaped leaf spring 23 holding the rear end of the shaft of the drive shaft member 14, the drive side bearing of the drive shaft member 14 is formed. It can be held in the portion 8 with a simple configuration.
【００２５】さらに、軸保持部材２２及び連動ギア３０
をリボンカセット筐体４の下ハーフ２に支持したこと
で、駆動側軸部６ａ，７ａの保持が安定して行える。Further, the shaft holding member 22 and the interlocking gear 30
Is supported by the lower half 2 of the ribbon cassette housing 4, the driving side shaft portions 6a and 7a can be stably held.
【００２６】[0026]
【実施例】以下、本発明によるインクリボンカセットの
実施例を図面を参照して説明する。図１はプリンタのイ
ンクリボンカセットの分離状態の斜視図、図２は同じく
組立て状態の斜視図、図３は本実施例の要部である駆動
側軸受部の軸受け構造の平面図、図４は図３のＡ−Ａ線
断面図、図５は同じくＢ−Ｂ線断面図であり、図８及び
図９で説明した従来例のインクリボンカセットと同一構
成部分には同一符号を付して重複する説明は省略する。Embodiments of the ink ribbon cassette according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an ink ribbon cassette of a printer in a separated state, FIG. 2 is a perspective view of the same assembled state, FIG. 3 is a plan view of a bearing structure of a driving side bearing portion, which is a main part of this embodiment, and FIG. 3 is a sectional view taken along the line A-A of FIG. 3, and FIG. 5 is a sectional view taken along the line BB of the same. The same components as those of the conventional ink ribbon cassette described in FIGS. Is omitted.
【００２７】本実施例が従来のインクリボンカセットの
構成と異なる部分はインクリボンユニット１の供給スプ
ール軸６の駆動側軸部６ａ及び巻取りスプール軸７の駆
動側軸部７ａの軸受機構であるのでこの部分について説
明する。尚、軸受機構は供給スプール軸６側及び巻取り
スプール軸７側が同一構成であるため、一方の巻取りス
プール軸７側について説明する。This embodiment is different from the conventional ink ribbon cassette in the structure of the bearings of the drive side shaft portion 6a of the supply spool shaft 6 and the drive side shaft portion 7a of the take-up spool shaft 7 of the ink ribbon unit 1. This part will be described. The bearing mechanism has the same configuration on the supply spool shaft 6 side and the take-up spool shaft 7 side, so only one take-up spool shaft 7 side will be described.
【００２８】駆動側軸受部８の軸受孔８ａには駆動軸部
材１４が挿着されている。この駆動軸部材１４の後端部
には下ハーフ２の内側に位置するようにフランジ１５と
その外周部に第１のギア１６を備えている。また、駆動
軸部材１４には中空状の軸孔１７を有し、この軸孔１７
内に図示しないプリンタの駆動軸が挿入され駆動軸部材
１４を回転駆動する。１８は軸孔１７の内面に形成した
プリンタの駆動軸と係合するリブである。A drive shaft member 14 is inserted into the bearing hole 8a of the drive side bearing portion 8. A flange 15 is provided at the rear end of the drive shaft member 14 so as to be located inside the lower half 2, and a first gear 16 is provided at the outer periphery of the flange 15. Further, the drive shaft member 14 has a hollow shaft hole 17, and the shaft hole 17
A drive shaft of a printer (not shown) is inserted therein to drive the drive shaft member 14 to rotate. Reference numeral 18 is a rib formed on the inner surface of the shaft hole 17 for engaging with the drive shaft of the printer.
【００２９】上述した駆動軸部材１４の背後には所定の
距離を隔てて同軸上に巻取りスプール軸７の駆動側軸部
７ａが配置されている。駆動側軸部７ａの端部にはフラ
ンジ１９とその外周部に第２のギア２０を備えている。
また、駆動側軸部７ａは中空状の軸孔２１を有してい
る。A drive-side shaft portion 7a of the take-up spool shaft 7 is coaxially arranged behind the drive shaft member 14 at a predetermined distance. A flange 19 is provided at the end of the drive-side shaft portion 7a, and a second gear 20 is provided at the outer periphery of the flange 19.
The drive-side shaft portion 7a has a hollow shaft hole 21.
【００３０】駆動軸部材１４と駆動側軸部７ａはこれら
の間に立設した軸保持部材２２により保持されている。
これをさらに詳しく説明すると、軸保持部材２２は２枚
の平行する第１のばね片２３と第２の２４を有し、両ば
ね片２３，２４の下部は一体的にされた連設部２５が下
ハーフ２に設けたピン２６でカシメ固定されている。第
１のばね片２３には椀状の凸面部２７が設けられ、この
凸面部２７が駆動軸部材１４の軸孔１７の端部に係合
し、駆動軸部材１４を回転可能に保持している。また、
第２のばね片２４にも椀状の凸面部２８が設けられ、こ
の凸面部２８が駆動側軸部７ａの軸孔２１の端部に係合
し、駆動側軸部７ａを回転可能に保持している。The drive shaft member 14 and the drive side shaft portion 7a are held by a shaft holding member 22 provided upright therebetween.
This will be described in more detail. The shaft holding member 22 has two parallel first spring pieces 23 and second 24, and the lower portions of both spring pieces 23 and 24 are integrally connected to each other. Are fixed by crimping with a pin 26 provided on the lower half 2. The first spring piece 23 is provided with a bowl-shaped convex surface portion 27, and the convex surface portion 27 engages with the end portion of the shaft hole 17 of the drive shaft member 14 to hold the drive shaft member 14 rotatably. There is. Also,
The second spring piece 24 is also provided with a bowl-shaped convex surface portion 28, and this convex surface portion 28 engages with the end portion of the shaft hole 21 of the drive side shaft portion 7a to rotatably hold the drive side shaft portion 7a. is doing.
【００３１】一方、駆動軸部材１４の第１のギア１６と
駆動側軸部７ａの第２のギア２０は下ハーフ２に形成し
た軸受け２９，２９に支承した連設ギア３０により連動
可能に噛合っている。On the other hand, the first gear 16 of the drive shaft member 14 and the second gear 20 of the drive side shaft portion 7a are interlocked with each other by a continuous gear 30 supported by bearings 29, 29 formed in the lower half 2. ing.
【００３２】次に、このように構成したインクリボンカ
セットの下ハーフ２へインクリボンユニット１の供給ス
プール軸６及び巻取りスプール軸７の取付け手順につい
て説明する。尚、供給スプール軸６及び巻取りスプール
軸７の取付け方は同じであるため上述の場合と同様に一
方の巻取りスプール軸７について説明する。Next, the procedure for attaching the supply spool shaft 6 and the take-up spool shaft 7 of the ink ribbon unit 1 to the lower half 2 of the ink ribbon cassette thus configured will be described. Since the supply spool shaft 6 and the take-up spool shaft 7 are attached in the same manner, one take-up spool shaft 7 will be described in the same manner as in the above case.
【００３３】駆動軸部材１４は予め駆動側軸受部８の軸
受孔８ａに挿着され、軸保持部材２２の第１のばね片２
３により保持されている。この状態から、まず巻取りス
プール軸７の従動側軸部７ｂを下ハーフ２の従動側軸受
部９ａに支持した後、駆動側軸部７ａを上方から装入す
ると、図６に示すように駆動側軸部７ａのフランジ１９
が第２のばね片２４の凸面部２８に当接し、第２のばね
片２４を外方（第１のばね片２７の方向）へ弾性変形し
て撓ませ、その後、駆動側軸部７ａの軸孔２１に第２の
ばね片２４の凸面部２８が係合し、図４に示すように駆
動側軸部７ａが駆動軸部材１４と同軸上に軸受けされ
る。この駆動側軸部７ａの軸受けに伴って駆動側軸部７
ａのフランジ１９の外周部に形成した第２のギア２０が
連動ギア３０に噛合う。The drive shaft member 14 is inserted into the bearing hole 8a of the drive side bearing portion 8 in advance, and the first spring piece 2 of the shaft holding member 22 is attached.
Held by 3. From this state, first, after supporting the driven side shaft portion 7b of the take-up spool shaft 7 on the driven side bearing portion 9a of the lower half 2, the drive side shaft portion 7a is loaded from above to drive as shown in FIG. Flange 19 of the side shaft portion 7a
Comes into contact with the convex surface portion 28 of the second spring piece 24, elastically deforms the second spring piece 24 outward (in the direction of the first spring piece 27) and bends it, and thereafter, the drive side shaft portion 7a The convex surface portion 28 of the second spring piece 24 is engaged with the shaft hole 21, and the drive side shaft portion 7a is coaxially supported with the drive shaft member 14 as shown in FIG. With the bearing of the drive side shaft portion 7a, the drive side shaft portion 7
The second gear 20 formed on the outer peripheral portion of the flange 19 of “a” meshes with the interlocking gear 30.
【００３４】かくして、上ハーフ３を下ハーフ２に合体
することで巻取りスプール軸７はその従動側軸部７ｂに
当接する押え板ばね１３と、駆動側軸部７ａを保持する
第２のばね片２４とで挟み付けられた状態で保持するこ
とができる。Thus, by combining the upper half 3 with the lower half 2, the take-up spool shaft 7 holds the pressing leaf spring 13 which abuts on the driven side shaft portion 7b and the second spring which holds the driving side shaft portion 7a. It can be held in a state of being sandwiched with the piece 24.
【００３５】巻取りスプール軸７の回転動作は、駆動軸
部材１４の軸孔１７に図示しないプリンタの駆動軸が挿
着され、駆動軸が回転すると駆動軸部材１４と共にフラ
ンジ１５の第１のギア１６が回転し、連動ギア３０を経
てフランジ１９の第２のギア２０を介して駆動側軸部７
ａと共に巻取りスプール軸７を回転駆動することができ
る。When the take-up spool shaft 7 is rotated, the drive shaft of the printer (not shown) is inserted into the shaft hole 17 of the drive shaft member 14, and when the drive shaft is rotated, the first gear of the flange 15 together with the drive shaft member 14 is rotated. 16 rotates, and through the interlocking gear 30 and the second gear 20 of the flange 19, the drive-side shaft portion 7
The take-up spool shaft 7 can be rotationally driven together with a.
【００３６】また、駆動軸部材１４と第１のばね片２３
の凸面部２７及び駆動側軸部７ａと第２のばね片２４の
凸面部２８は摩擦接触状態にあるため、第１のばね片２
３及び第２のばね片２４を構成する軸保持部材２２を例
えばＰＯＭ（ポリアセタール樹脂）等の硬度の高い樹脂
により製作することで磨耗の少ない支承が可能となる。Further, the drive shaft member 14 and the first spring piece 23
The convex surface portion 27 and the driving side shaft portion 7a and the convex surface portion 28 of the second spring piece 24 are in frictional contact with each other, so that the first spring piece 2
Since the shaft holding member 22 constituting the third and second spring pieces 24 is made of a resin having a high hardness such as POM (polyacetal resin), bearings with less wear can be obtained.
【００３７】尚、巻取りスプール軸７の取外しは、下ハ
ーフ２から上ハーフ３を外したあと、駆動側軸部７ａを
引上げれば軸孔２１から凸面部２８が離脱すると共に、
フランジ１９が凸面部２８を押し出し、第２のばね片２
４が外方へ撓み簡単に取外すことができる。この際、駆
動側軸部７ａのフランジ１９のギア２０は連動ギア３０
はフリー状態にあるため噛み合いが簡単に外れる。その
後、従動側軸部７ｂを従動側軸受部９ａから取外せばよ
い。To remove the take-up spool shaft 7, after removing the upper half 3 from the lower half 2 and then pulling up the drive side shaft portion 7a, the convex surface portion 28 is removed from the shaft hole 21, and
The flange 19 pushes out the convex surface portion 28, and the second spring piece 2
4 bends outward and can be easily removed. At this time, the gear 20 of the flange 19 of the drive side shaft portion 7a is the gear 30
The mesh is easily disengaged because is in the free state. Then, the driven side shaft portion 7b may be removed from the driven side bearing portion 9a.
【００３８】上述した実施例では駆動軸部材１４の保持
構造として軸孔１７を第１のばね片２３の凸面部２７で
保持した例について説明したが、図７に示すように第１
のばね片２３を凸面部のない平面板にし、この平面板で
駆動軸部材１４の端面を押圧し保持するような構造でも
よい。In the above-described embodiment, an example in which the shaft hole 17 is held by the convex surface portion 27 of the first spring piece 23 as the holding structure for the drive shaft member 14 has been described, but as shown in FIG.
The spring piece 23 may be a flat plate having no convex surface, and the flat plate may press and hold the end surface of the drive shaft member 14.
【００３９】このように本発明によるインクリボンカセ
ットは、リボンカセット筐体４に対してインクリボンユ
ニット１が簡単に着脱できるため、インクリボンユニッ
トのみ交換しリボンカセット筐体は次の新規のインクリ
ボンユニットの使用に供することができるという利点が
ある。As described above, in the ink ribbon cassette according to the present invention, since the ink ribbon unit 1 can be easily attached to and detached from the ribbon cassette housing 4, only the ink ribbon unit is replaced and the ribbon cassette housing is the next new ink ribbon unit. It has the advantage that it can be used.
【００４０】本発明は、上述しかつ図面に示した実施例
に限定されるものでなく、その要旨を逸脱しない範囲内
で種々の変形実施が可能である。The present invention is not limited to the embodiments described above and shown in the drawings, and various modifications can be made without departing from the spirit of the invention.
【００４１】[0041]
【発明の効果】以上説明したように、本発明によるイン
クリボンカセットは、駆動側軸受部にプリンタの駆動軸
により回転駆動される駆動軸部材が軸受けされ、駆動軸
部材と駆動側軸部とを回転伝達機構を介して連動可能に
したことにより、駆動軸部材をカセット筐体に保持した
ままの状態で駆動側軸部の着脱が容易に行え、インクリ
ボンユニットを簡単に着脱することができ、インクリボ
ンユニットのみ交換しリボンカセット筐体をそのまま繰
返し再使用することができるという効果がある。As described above, in the ink ribbon cassette according to the present invention, the drive shaft bearing, which is rotationally driven by the drive shaft of the printer, is borne by the drive bearing, and the drive shaft member and the drive shaft are rotated. By making it possible to interlock through the transmission mechanism, the drive side shaft can be easily attached and detached while the drive shaft member is held in the cassette housing, and the ink ribbon unit can be easily attached and detached. There is an effect that only the ribbon unit can be replaced and the ribbon cassette housing can be reused as it is.
【００４２】また、リボンカセット筐体が繰返し再使用
することができることは、焼却等により発生する社会的
問題も未然に解消でき、かつ材料資源の有効活用を図る
ことができる。In addition, the fact that the ribbon cassette housing can be reused repeatedly can solve social problems caused by incineration and the like, and can effectively utilize material resources.
【００４３】また、駆動軸部材に対して駆動側軸部を同
軸上に軸受するようにしたので、回転伝達機構の構成が
簡略化できる。Further, since the drive side shaft portion is supported coaxially with the drive shaft member, the structure of the rotation transmitting mechanism can be simplified.
【００４４】また、駆動軸部材及び駆動側軸部が所定距
離を隔てて配置され、駆動軸部材と駆動側軸部とをその
間に介在した軸保持部材により回転可能に保持するよう
にしたので、軸保持部材で駆動軸部材と駆動側軸部の２
つの部材の保持が可能となる。Further, since the drive shaft member and the drive side shaft portion are arranged at a predetermined distance, and the drive shaft member and the drive side shaft portion are rotatably held by the shaft holding member interposed therebetween. The shaft holding member consists of the drive shaft member and the drive side shaft part.
It is possible to hold one member.
【００４５】また、駆動側軸部を軸保持部材から着脱可
能にしたことで、駆動軸部材は駆動側軸受部に支持した
状態のまま、リボン供給軸及びリボン巻取り軸の着脱操
作を容易に行うことができる。Further, by making the drive side shaft portion detachable from the shaft holding member, the ribbon supply shaft and the ribbon winding shaft can be easily attached and detached while the drive shaft member is supported by the drive side bearing portion. It can be carried out.
【００４６】また、軸保持部材は駆動軸部材の軸孔に係
合し保持する凸面部を有する第１のばね片と、駆動側軸
部の軸孔に係合し保持する凸面部を有する第２のばね片
とからなり、回転伝達機構は駆動軸部材のフランジ外周
部に設けた第１のギアと、駆動側軸部のフランジ外周部
に設けた第２のギアと、両ギアに跨がって噛み合う連動
ギアとから構成したことで、構成が極めてシンプルとな
りインクリボンユニットの着脱操作が簡単に行うことが
できる。The shaft holding member has a first spring piece having a convex surface portion that engages with and holds the shaft hole of the drive shaft member, and a first spring piece that has a convex surface portion that engages with and holds the shaft hole of the drive side shaft portion. The rotation transmission mechanism includes a first gear provided on the outer peripheral portion of the flange of the drive shaft member, a second gear provided on the outer peripheral portion of the flange of the drive side shaft portion, and the two gear pieces. Since it is configured with the interlocking gear that meshes with each other, the configuration is extremely simple and the ink ribbon unit can be easily attached and detached.
【００４７】また、駆動軸部材を保持する軸保持部材
が、該駆動軸部材の軸後端を保持する平板状の板ばねか
ら構成したことで、駆動軸部材の駆動側軸受部への保持
が簡単な構成で可能となる。Since the shaft holding member for holding the drive shaft member is composed of a flat plate-shaped leaf spring for holding the rear end of the shaft of the drive shaft member, the drive shaft member can be held by the drive side bearing portion. It is possible with a simple configuration.
【００４８】さらに、軸保持部材及び連動ギアをリボン
カセット筐体の下ハーフに支持したことで、駆動側軸部
の保持が安定して行える。Further, by supporting the shaft holding member and the interlocking gear on the lower half of the ribbon cassette housing, the driving side shaft portion can be held stably.
【図１】本例のインクリボンカセットの分解状態の斜視
図である。FIG. 1 is a perspective view of an ink ribbon cassette of this example in an exploded state.
【図２】本例のインクリボンカセットの組立て状態の斜
視図である。FIG. 2 is a perspective view of an assembled state of the ink ribbon cassette of this example.
【図３】リボン巻取りスプール軸の駆動側軸部の軸受機
構の平面図である。FIG. 3 is a plan view of a bearing mechanism of a drive side shaft portion of a ribbon take-up spool shaft.
【図４】図３のＡ−Ａ線断面図である。4 is a cross-sectional view taken along the line AA of FIG.
【図５】図３のＢ−Ｂ線断面図である。5 is a sectional view taken along line BB of FIG.
【図６】駆動側軸部の取付け途中の断面図である。FIG. 6 is a cross-sectional view of the drive-side shaft portion during mounting.
【図７】駆動軸部材の他の例の断面図である。FIG. 7 is a cross-sectional view of another example of the drive shaft member.
【図８】従来のインクリボンカセットの組立て状態の斜
視図である。FIG. 8 is a perspective view of a conventional ink ribbon cassette in an assembled state.
【図９】従来のインクリボンカセットの分解状態の斜視
図である。FIG. 9 is a perspective view of a conventional ink ribbon cassette in an exploded state.
１ インクリボンユニット ２ 下ハーフ ３ 上ハーフ ４ リボンカセット筐体 ５ インクリボン ６ 供給スプール軸 ７ 巻取りスプール軸 ６ａ，７ａ 駆動側軸部 ６ｂ，７ｂ 従動側軸部 ８ 駆動側軸受部 ９ 従動側軸受部 １３ 押え板ばね １４ 駆動軸部材 １５，１９ フランジ １６ 第１のギア １７，２１ 軸孔 ２０ 第２のギア ２２ 軸保持部材 ２３ 第１のばね片 ２４ 第２のばね片 ２７，２８ 凸面部 ３０ 連動ギア 1 Ink Ribbon Unit 2 Lower Half 3 Upper Half 4 Ribbon Cassette Housing 5 Ink Ribbon 6 Supply Spool Shaft 7 Winding Spool Shaft 6a, 7a Drive Side Shaft 6b, 7b Driven Side Shaft 8 Drive Side Bearing 9 Driven Side Bearing Part 13 Presser leaf spring 14 Drive shaft member 15, 19 Flange 16 First gear 17, 21 Shaft hole 20 Second gear 22 Shaft holding member 23 First spring piece 24 Second spring piece 27, 28 Convex portion 30 Interlocking gear
Claims (7)
ボン供給軸と使用済みのインクリボンを巻取るリボン巻
取り軸との駆動側軸部及び従動側軸部が上ハーフと下ハ
ーフとからなるリボンカセット筐体の駆動側軸受部及び
従動側軸受部に回転自在に支持されるプリンタのインク
リボンカセットにおいて、 上記駆動側軸受部にプリンタの駆動軸により回転駆動さ
れる駆動軸部材が軸受けされ、上記駆動軸部材と上記駆
動側軸部とを回転伝達機構を介して連動可能にしたこと
を特徴とするプリンタのインクリボンカセット。1. A drive-side shaft part and a driven-side shaft part of a ribbon supply shaft around which an unused ink ribbon is wound and a ribbon take-up shaft around which a used ink ribbon is wound are composed of an upper half and a lower half. In an ink ribbon cassette of a printer, which is rotatably supported by a drive side bearing part and a driven side bearing part of a ribbon cassette housing, a drive shaft member rotatably driven by a drive shaft of the printer is borne by the drive side bearing part. An ink ribbon cassette for a printer, wherein the drive shaft member and the drive-side shaft portion can be interlocked via a rotation transmission mechanism.
が同軸上に軸受けされることを特徴とする請求項１記載
のプリンタのインクリボンカセット。2. The ink ribbon cassette for a printer according to claim 1, wherein the drive-side shaft portion is coaxially supported by the drive shaft member.
定距離を隔てて配置され、上記駆動軸部材と上記駆動側
軸部とをその間に介在した軸保持部材により回転可能に
保持したことを特徴とする請求項１又は２記載のプリン
タのインクリボンカセット。3. The drive shaft member and the drive side shaft portion are arranged with a predetermined distance therebetween, and the drive shaft member and the drive side shaft portion are rotatably held by a shaft holding member interposed therebetween. An ink ribbon cassette for a printer according to claim 1 or 2, characterized in that:
脱可能であることを特徴とする請求項１記載のプリンタ
のインクリボンカセット。4. The ink ribbon cassette for a printer according to claim 1, wherein the drive side shaft portion is detachable from the shaft holding member.
に係合し保持する凸面部を有する第１のばね片と、上記
駆動側軸部の軸孔に係合し保持する凸面部を有する第２
のばね片とからなり、上記回転伝達機構は上記駆動軸部
材のフランジ外周部に設けた第１のギアと、上記駆動側
軸部のフランジ外周部に設けた第２のギアと、上記両ギ
アに跨がって噛み合う連動ギアとからなることを特徴と
する請求項１記載のプリンタのインクリボンカセット。5. The shaft holding member has a first spring piece having a convex surface portion that engages and holds a shaft hole of the drive shaft member, and a convex surface portion that engages and holds a shaft hole of the drive side shaft portion. Second with
The rotation transmission mechanism includes a first gear provided on the outer peripheral portion of the flange of the drive shaft member, a second gear provided on the outer peripheral portion of the flange of the drive side shaft portion, and both gears. 2. The ink ribbon cassette for a printer according to claim 1, wherein the ink ribbon cassette comprises an interlocking gear that straddles and meshes.
が、該駆動軸部材の軸後端を保持する平板状の板ばねか
らなることを特徴とする請求項１記載のプリンタのイン
クリボンカセット。6. The ink ribbon cassette for a printer according to claim 1, wherein the shaft holding member holding the drive shaft member is formed of a flat plate spring holding the rear end of the shaft of the drive shaft member.
ンカセット筐体の下ハーフに支持されていることを特徴
とする請求項２記載のプリンタのインクリボンカセッ
ト。7. The ink ribbon cassette for a printer according to claim 2, wherein the shaft holding member and the interlocking gear are supported by the lower half of the ribbon cassette housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05909894A JP3496267B2 (en) | 1994-03-29 | 1994-03-29 | Printer ink ribbon cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05909894A JP3496267B2 (en) | 1994-03-29 | 1994-03-29 | Printer ink ribbon cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07266653A true JPH07266653A (en) | 1995-10-17 |
| JP3496267B2 JP3496267B2 (en) | 2004-02-09 |
Family
ID=13103526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05909894A Expired - Fee Related JP3496267B2 (en) | 1994-03-29 | 1994-03-29 | Printer ink ribbon cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3496267B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774274A (en) * | 2016-03-22 | 2016-07-20 | 重庆品胜科技有限公司 | Thermal transfer ribbon box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4654146B2 (en) | 2006-03-22 | 2011-03-16 | アルプス電気株式会社 | Ink sheet cartridge |
-
1994
- 1994-03-29 JP JP05909894A patent/JP3496267B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774274A (en) * | 2016-03-22 | 2016-07-20 | 重庆品胜科技有限公司 | Thermal transfer ribbon box |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3496267B2 (en) | 2004-02-09 |
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