JPS62278043A - Vibration-proof device for wheel cassette bearing type wheel in printer - Google Patents
Vibration-proof device for wheel cassette bearing type wheel in printerInfo
- Publication number
- JPS62278043A JPS62278043A JP12019086A JP12019086A JPS62278043A JP S62278043 A JPS62278043 A JP S62278043A JP 12019086 A JP12019086 A JP 12019086A JP 12019086 A JP12019086 A JP 12019086A JP S62278043 A JPS62278043 A JP S62278043A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- cassette
- selection motor
- type wheel
- hole
- 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
- 238000002955 isolation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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
- B41J1/00—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
- B41J1/22—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on carriers rotatable for selection
- B41J1/24—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on carriers rotatable for selection the plane of the type or die face being perpendicular to the axis of rotation
- B41J1/243—Mounting or fixing the carriers
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
産業上の利用分野
この発明は、印字装置に使用される活字ホイールを回動
自在に担持されたホイールカセットの防震装置に関する
。Detailed Description of the Invention 3. Detailed Description of the Invention Field of Industrial Application This invention relates to a vibration isolation device for a wheel cassette rotatably supporting a type wheel used in a printing device.
従来の技術
従来は選択モータの連結アームを具えた回動軸をホイー
ルカセットに穿れた案内孔を通して前記ホイールカセッ
トに担持された活字ホイールに向けて移動させて、活字
ホイールの連結孔と係合孔に連結アームと回動軸とを夫
々係合せしめて、活字ホイールを回動軸に装着していた
。2. Description of the Related Art Conventionally, a rotary shaft with a connecting arm of a selection motor is moved through a guide hole bored in a wheel cassette toward a type wheel carried by said wheel cassette, and engages with the connecting hole of the type wheel. The connecting arm and the rotating shaft were respectively engaged with the holes, and the type wheel was mounted on the rotating shaft.
発明の解決しようとする問題点
上記従来のものにおいては、選択モータの回動軸の選択
回動時の活字ホイールの回動により、ホイールカセット
が活字ホイールと共に震動して、雑音を発生する外、回
動軸による選択停止後も震動が持続するため、印字精度
と印字速度の向上とを阻害すると言う大きな欠点があっ
た。本発明は前記従来のものにおける欠点を解消するこ
とを技術的課題とする。Problems to be Solved by the Invention In the above-mentioned conventional type, the wheel cassette vibrates together with the type wheel due to the rotation of the type wheel when the rotation shaft of the selection motor rotates for selection, and noise is generated. Since the vibration continues even after the rotation shaft stops selecting, there is a major drawback in that it impedes improvements in printing accuracy and printing speed. The technical object of the present invention is to eliminate the drawbacks of the conventional devices.
問題を解決しようとするための手段
本発明は選択モータのホイールカセットと対向する側に
ホイールカセットに穿れた案内孔の内側と゛係合する係
合体を設けたものである。Means for Solving the Problem The present invention provides an engaging body on the side of the selection motor opposite the wheel cassette that engages with the inside of a guide hole bored in the wheel cassette.
作 用
装着のため選択モータがその回動軸と共に、ホイールカ
セットに担持された活字ホイールに向けて移動せしめら
れると、選択モータに設けられた係合体をホイールカセ
ットに穿れた案内孔の内側に係合する結果、ホイールカ
セットの前記回動軸の選択回動による活字ホイールと共
の震動は防止される。When the selection motor is moved together with its rotating shaft toward the type wheel supported on the wheel cassette for installation, the engaging body provided on the selection motor is inserted into the guide hole bored in the wheel cassette. As a result of the engagement, vibrations with the type wheel due to selective rotation of said pivot axis of the wheel cassette are prevented.
実施例
１はキャリヤ、２．２′はキャリヤ１に立設された一対
の側板、３は選択モータ、４はその回動軸、５は係合体
にして、この係合体は断面が略逆コ字状に形成され、そ
の垂直部６の略中央部には、前記回動軸４遊挿用の孔７
が穿設されている。８は断面が略コ字状に形成された前
記選択モータ３の取付は部材にして、その垂直部９の略
中央部には前記回動軸４遊挿用の孔１０が穿設されてい
て、その孔１０に回動軸４を一側より他側（第二図にお
いて左側より右側）に向けて遊挿せしめると共に、前記
垂直部９の他側（第三図において右側）に前記係合体５
の垂直部６の一側（第三図において左側）に接して位置
するように孔７を回動軸４に遊挿せしめた上で、ネジ１
１で係合体５と選択モータ３とは垂直部９を挾んで取付
は部材８に一体的に固定されている。そして、取付は部
材８の両側に夫々突設されたピン１２．１２’を前記側
板２．２′に穿設された案内用の長孔１３．１３’に係
合せしめて、その長孔１３．１３’と前記ピン１２．１
２′との保合に案内されて、取付は部材８従って、選択
モータ３と係合体５とは側板２．２′間において、第三
図左右方向に移動するように、キャリヤ１上に設けられ
ている。１４は前記選択モータ３移動用のカム体にして
、このカム体１４の一側面（第三図において手前側面）
には、碑カム１５が、又、他側面には該カム体１４回動
用の歯車１６が夫々設けられている外、このカム体１４
はキャリヤ１に軸１７で回動できるように架せられてい
て、その溝カム１５には、前記取付は部材８に突設され
たピン１８が、取付は部材８の両側に突設され、且つ前
記両側板２．２′に穿設された長 ３一
孔１９．１９′と係合するピン２０．２０′と、両側板
２、ダに突設されたスプリング掛け２１．２Ｍ’との間
に夫々張設されたスプリング２２．２２’の張力で、常
に溝カム１５に係合するように設けられていて、駆動用
モータ（図示せず）による前記歯車１６を介してカム体
１４が回動せしめられたときに、その溝カム１５と前記
ピン１日との係合で、取付は部材８を選択モータ６と係
合体６と共に第三図において左右方向に移動するように
なっている。２３と２４は前記係合体５の垂直部乙の他
側面（第三図において右側面）より一方（同図において
右方）に向けて突出した回動軸４の一端部近くに、夫々
設けられた保合用の鍔部と連結アームにして、その連結
アーム２４の一側の一端部には、連結ピン２５が第二図
において右方に向けて突設されている。２６は上方と左
右の両側と一側（第三図において左側）の略中央部とが
夫々開口された固定受は部材にして、その他側の内側面
（第二図において左側の左側面）の略中央部には前記−
側（第三図において左側）に向けて突設された管状突起
２７を具えた係合部材２８がネジ２９で一体的に設けら
れている。そして、この固定受は部材２６は前記選択モ
ータ３の回動軸４と対向するキャリヤ１上の適所にネジ
３０で固定されている。３１は前記選択モータ３の回動
軸４の軸心方向に長さの長い中間受は部材にして、その
一端部（第三図において左端部）と、その略中央部には
、環状の突起３２と３３とが夫々突設されている外、前
記一方の突起３２の一側（第三図において左側）には、
□後に詳記するホイールカセット３４に担持された、活
字ホイール３５のボス部３６の一側面（第三図において
右側面）３７と係合する面部３８を具えると共に、その
面部６Ｂの略中央部には、前記選択モータ３の回動軸４
の先端部と係合する有底孔３９が穿設されている外、他
側面の略中央部には、球状突起部材としてのボール４０
が一方（第三図において右方）に向けて突設されていて
、この中間受は部材３１は第二、三及び同図に示すよう
に、その前記有底孔３９を選択モータ３の回動軸と対向
せしめた状態で、その球状突起部材としてのボール４０
の設けられた一端部を前記固定受は部材２６の管状突起
２７内に又、前記環状突起３２と３３の間を固定受は部
材２６の前記開口部（第二、三図において左側の開口部
）の位置に位置せしめて、前後と左右方向には遊動でき
るも、前後方向には、離脱することのないように、固定
受は部材２６に遊架せしめられている。又、前記ホイー
ルカセット３４は主として、第一、二図示のように、表
蓋４１と裏蓋４２とで箱状に形成され、その表蓋４１の
略中央部には、前記選択モータ３の回動軸４に設けられ
た前記鍔部２５及び連結アーム２４案内用の案内孔４３
が１又箋その上側縁の略中央部には、印字用ハンマー（
図示せず）通過用の切欠４４が夫々穿設されている外、
裏蓋４２には、前記活字ホイール３５のボス部３６担持
用の担持孔４５が穿設されている。尚、前記活字ホイー
ル３５は公知のもののように、そのボス部３６より放射
状に形成された多数の遊離片の先端の一側には環状に活
字部分４６を夫々有する外、その前記ボス部３６には、
前記選択モータ６の回動軸４と係合する軸孔４７と、前
記連結アーム２４の連結ビン２５と係合する連結孔４８
とが夫々穿設されていて、その前記ボス部３６がホイー
ルカセット３４の担持孔４５に担持されて、表蓋４２と
の間において、回動が自在なように担持されている。而
して１活字ホイール３５の担持された、ホイールカセッ
ト３４が手動又は自動的な手段により、装着のため、第
二三図に示すように、選択モータ３の回動軸４と中間受
は部材３１の面部３８との間に位置せしめられた直後に
、カム体１４の回動で取付部材８と係合体５と共に選択
モータ３をホイールカセット３４に装架された活字ホイ
ール３５従って、中間受は部材６１に向けて移動させて
、係合体５をホイールカセット３４の案内孔４６の内側
に係合させると共に回動軸４を活字ホイール３５の軸孔
４７に、又、連結アーム２４の連結ピン２５を連結孔４
Ｂに夫々挿入せしめると共に、鍔部２６が活字ホイール
３５のボス部３６に係合し、その−側面３７と中間受は
部材３１の面部３８との係合によリ、中間受は部材３１
を介して固定受は部材２６に受は止められた状態で回動
軸乙に活字ホイール３５はホイールカセット３４に担持
された状態で前記回動軸３と共に回動できるように装着
される。Embodiment 1 is a carrier, 2 and 2' are a pair of side plates erected on the carrier 1, 3 is a selection motor, 4 is a rotation shaft thereof, and 5 is an engaging body, and this engaging body has a cross section that is substantially inverted. The vertical portion 6 has a hole 7 for loosely inserting the rotation shaft 4 in the approximate center of the vertical portion 6.
is drilled. Reference numeral 8 denotes a member for mounting the selection motor 3 having a substantially U-shaped cross section, and a hole 10 for loosely inserting the rotation shaft 4 is bored in the substantially central portion of the vertical portion 9 thereof. , the rotation shaft 4 is loosely inserted into the hole 10 from one side to the other side (from the left side to the right side in Figure 2), and the engaging body is inserted on the other side of the vertical portion 9 (right side in Figure 3). 5
After loosely inserting the hole 7 into the rotation shaft 4 so that it is located in contact with one side of the vertical part 6 (the left side in the third figure), screw the screw 1.
1, the engaging body 5 and the selection motor 3 are integrally fixed to a member 8 with a vertical portion 9 in between. The installation is carried out by engaging the pins 12, 12' protruding from both sides of the member 8, respectively, into the guide holes 13, 13' drilled in the side plate 2, 2'. 13' and said pin 12.1
2', the selection motor 3 and the engaging body 5 are mounted on the carrier 1 so as to be moved in the left-right direction in FIG. 3 between the side plates 2 and 2'. It is being 14 is a cam body for moving the selection motor 3, and one side of this cam body 14 (the front side in the third figure)
The cam body 14 is provided with a monument cam 15 and a gear 16 for rotating the cam body 14 on the other side.
is mounted on the carrier 1 so as to be rotatable about a shaft 17, and the grooved cam 15 has a pin 18 projecting from the mounting member 8; In addition, a pin 20.20' that engages with a long hole 19.19' drilled in the side plates 2.2', and a spring hook 21.2M' protruding from the side plates 2 and 2. The cam body 14 is always engaged with the grooved cam 15 by the tension of springs 22 and 22' stretched therebetween, and the cam body 14 is driven by a drive motor (not shown) through the gear 16. When it is rotated, the grooved cam 15 engages with the pin 1, so that the mounting member 8 is moved in the left-right direction in FIG. 3 together with the selection motor 6 and the engaging body 6. . 23 and 24 are respectively provided near one end of the rotating shaft 4 that protrudes toward one side (to the right in the figure) from the other side (the right side in the third figure) of the vertical part B of the engaging body 5. A connecting pin 25 is provided at one end of one side of the connecting arm 24 to protrude rightward in FIG. 2. 26 is a fixed receiver which is open at the upper part, left and right sides, and approximately the center of one side (the left side in Figure 3), and the inner surface of the other side (the left side in Figure 2). Approximately in the center is the above-mentioned −
An engaging member 28 having a tubular protrusion 27 protruding toward the side (left side in FIG. 3) is integrally provided with a screw 29. The fixed receiver member 26 is fixed at a proper position on the carrier 1 facing the rotation shaft 4 of the selection motor 3 with a screw 30. Reference numeral 31 denotes an intermediate bearing having a long length in the axial direction of the rotation shaft 4 of the selection motor 3, and has an annular projection at one end (left end in the third figure) and approximately at the center thereof. In addition to the protrusions 32 and 33, on one side of the one protrusion 32 (on the left side in the third figure),
□It is provided with a surface portion 38 that engages with one side surface (the right side surface in the third figure) of the boss portion 36 of the type wheel 35 carried by the wheel cassette 34, which will be described in detail later, and approximately at the center of the surface portion 6B. , the rotation shaft 4 of the selection motor 3
A ball 40 as a spherical protruding member is provided at the approximate center of the other side surface.
protrudes toward one side (to the right in the third figure), and as shown in the third and third figures, the intermediate receiver 31 has the bottomed hole 39 connected to the rotation of the selection motor 3. A ball 40 as a spherical protrusion member is placed facing the moving shaft.
The fixed receiver is inserted into the tubular protrusion 27 of the member 26, and the fixed receiver is inserted between the annular protrusions 32 and 33 into the opening of the member 26 (the opening on the left side in Figures 2 and 3). ), the fixed receiver is freely suspended on the member 26 so that it can move freely in the front and rear and left and right directions, but does not come off in the front and rear directions. The wheel cassette 34 is mainly formed into a box shape with a front cover 41 and a back cover 42, as shown in the first and second figures, and the rotation of the selection motor 3 is provided approximately at the center of the front cover 41. A guide hole 43 for guiding the flange 25 and the connecting arm 24 provided on the moving shaft 4
There is a printing hammer (
(not shown) are provided with passage notches 44,
A support hole 45 for supporting the boss portion 36 of the type wheel 35 is bored in the back cover 42 . Incidentally, the type wheel 35 has an annular type portion 46 on one side of the tip of a large number of free pieces formed radially from the boss portion 36, as is well known. teeth,
A shaft hole 47 that engages with the rotation shaft 4 of the selection motor 6, and a connection hole 48 that engages with the connection pin 25 of the connection arm 24.
The boss portions 36 are supported in the support holes 45 of the wheel cassette 34 and rotatably supported between the front cover 42 and the front cover 42, respectively. In order to install the wheel cassette 34 carrying one type wheel 35 manually or automatically, as shown in FIG. Immediately after the type wheel 35 mounted on the wheel cassette 34 is positioned between the type wheel 35 mounted on the wheel cassette 34, the rotation of the cam body 14 moves the selection motor 3 together with the mounting member 8 and the engaging body 5. The engaging body 5 is moved toward the member 61 to engage with the inside of the guide hole 46 of the wheel cassette 34, and the rotating shaft 4 is inserted into the shaft hole 47 of the type wheel 35, and the connecting pin 25 of the connecting arm 24 is moved toward the member 61. Connecting hole 4
B, the collar portion 26 engages with the boss portion 36 of the type wheel 35, and the side surface 37 and the intermediate receiver are engaged with the surface portion 38 of the member 31, and the intermediate receiver is inserted into the member 31.
The fixed receiver is attached to the rotary shaft 3 via the member 26, and the type wheel 35 is supported on the wheel cassette 34 so that it can rotate together with the rotary shaft 3.
尚、図中４９はプラテンを示しである。Note that 49 in the figure indicates a platen.
効 果
本発明によれば叙上のように選択モータの活字ホイール
を担持するホイールカセットと対向する側に、前記ホイ
ールカセットに穿れた案内孔の内側と係合する係合体を
設けると言う構成により、選択モータの回動軸に、ホイ
ールカセットに担持された活字ホイールを装着のため、
選択モータをその回動軸と共に、前記活字ホイールに向
けて移動せしめたときに、前記ホイールカセットの案内
孔の内側に前記係合体が係合する結果、選択モータの回
動軸による活字ホイールのホイールカセット内における
回動によって生ずるホイール力セットク震動は阻止され
て、前記従来のものにおける欠点を完全に解消し得る外
、その構成も前記したように簡単であるばかりでなく、
作用も又確実である等、これが齋す効果は極めて多大で
ある。Effects According to the present invention, as described above, an engaging body is provided on the side opposite to the wheel cassette carrying the type wheel of the selection motor, which engages with the inside of the guide hole bored in the wheel cassette. In order to attach the type wheel carried by the wheel cassette to the rotation axis of the selected motor,
When the selection motor is moved together with its rotating shaft toward the type wheel, the engaging body engages with the inside of the guide hole of the wheel cassette, and as a result, the wheel of the type wheel is moved by the rotating shaft of the selection motor. Not only can the wheel force set vibration caused by rotation within the cassette be prevented, completely eliminating the drawbacks of the conventional system, but also its construction is simple as described above.
The effects it brings are extremely large, such as the fact that it also works reliably.
図面は本発明の実施例であって、第一図は一部の拡大斜
視図、第二図は一部を切欠いで示した側面図、第三図は
同じく平面図、第四図は第三図と異った作動状態で示し
た同じく拡大平面図である。
１・・・キャリヤ、２．２′・・・側板、３・・・選択
モータ、４Ｑ 、ｓ・・・係合体、６・・・係合体５の
垂直部、７・・・孔、８・・・取付は部材、９・・・取
付は部材８の垂直部、１０・・・孔、１１…ネジ、１２
．１２′…ピン１３．１３’・・−長孔、１４・・・カ
ム体、１５・・・溝カム１６・・・歯車、１７・・・軸
、１Ｂ・・−ビン、１９．１９Ｉ・・・長孔、２０．２
０′・・・ビン、２１．２１′・・・スプリング掛け、
２２．２２′・・・スプリング、２３・・・鍔部２４・
・・連結アーム、２５・・・連結ピン、２６・・・固定
受は部材、２７・・・管状突起、２８・・・係合部材、
２９・・・ネジ、３０・・・ネジ、６１・・・中間受は
部材、３２．３３・・・環状突起、３４・・・ホイール
カセット５５・・・活字ホイール、３６・・・活字ホイ
ール３５のボス部、５７・・・ボス部３６の一側面、３
８・・・面部３９・・・有底孔、４ｏ・・・ボール、４
１・・・表蓋、４２・・・裏蓋、４３・・・案内孔、４
４・・・切欠、４５・・・担持孔、４６・・・活字部分
、４戸・・軸孔、４日・・・連結孔Ｓ４９・・・プラテ
ンThe drawings show an embodiment of the present invention, in which the first figure is a partially enlarged perspective view, the second figure is a partially cutaway side view, the third figure is a plan view, and the fourth figure is a third side view. FIG. 3 is an enlarged plan view of the same, shown in a different operating state from that shown; DESCRIPTION OF SYMBOLS 1... Carrier, 2.2'... Side plate, 3... Selection motor, 4Q, s... Engaging body, 6... Vertical portion of engaging body 5, 7... Hole, 8... ... Mounting is on the member, 9... Mounting is on the vertical part of member 8, 10... Hole, 11... Screw, 12
．． 12'...Pin 13.13'...-Elongated hole, 14...Cam body, 15...Groove cam 16...Gear, 17...Shaft, 1B...-Bin, 19.19I...・Long hole, 20.2
0'...Bin, 21.21'...Spring hook,
22.22'... Spring, 23... Flange 24.
... Connection arm, 25 ... Connection pin, 26 ... Fixed receiver member, 27 ... Tubular projection, 28 ... Engagement member,
29... Screw, 30... Screw, 61... Intermediate support is member, 32.33... Annular projection, 34... Wheel cassette 55... Type wheel, 36... Type wheel 35 Boss portion, 57...One side of the boss portion 36, 3
8... Surface portion 39... Bottomed hole, 4o... Ball, 4
1... Front cover, 42... Back cover, 43... Guide hole, 4
4... Notch, 45... Supporting hole, 46... Type part, 4 doors... Shaft hole, 4th... Connecting hole S49... Platen
Claims (1)
カセットに穿れた案内孔を通して、そのホィールカセッ
トに担持された活字ホィールに向けて移動せしめて、そ
の回動軸に活字ホィールを装着する印字装置において、
前記選択モータのホィールカセットと対向する側に前記
案内孔の内側と係合する係合体を設けてなることを特徴
とした印字装置における活字ホィールの担持されたホィ
ールカセットの防震装置。In a printing device in which a type wheel selection motor is moved along with its rotating shaft through a guide hole bored in a wheel cassette toward a type wheel supported on the wheel cassette, and the type wheel is attached to the rotating shaft. ,
A vibration isolation device for a wheel cassette carrying a type wheel in a printing device, characterized in that an engaging body that engages with the inside of the guide hole is provided on a side of the selection motor facing the wheel cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12019086A JPS62278043A (en) | 1986-05-27 | 1986-05-27 | Vibration-proof device for wheel cassette bearing type wheel in printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12019086A JPS62278043A (en) | 1986-05-27 | 1986-05-27 | Vibration-proof device for wheel cassette bearing type wheel in printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62278043A true JPS62278043A (en) | 1987-12-02 |
| JPH0582821B2 JPH0582821B2 (en) | 1993-11-22 |
Family
ID=14780139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12019086A Granted JPS62278043A (en) | 1986-05-27 | 1986-05-27 | Vibration-proof device for wheel cassette bearing type wheel in printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62278043A (en) |
-
1986
- 1986-05-27 JP JP12019086A patent/JPS62278043A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0582821B2 (en) | 1993-11-22 |
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