JP2523729B2 - Color picture tube - Google Patents

Color picture tube

Info

Publication number
JP2523729B2
JP2523729B2 JP62317539A JP31753987A JP2523729B2 JP 2523729 B2 JP2523729 B2 JP 2523729B2 JP 62317539 A JP62317539 A JP 62317539A JP 31753987 A JP31753987 A JP 31753987A JP 2523729 B2 JP2523729 B2 JP 2523729B2
Authority
JP
Japan
Prior art keywords
spring member
picture tube
color picture
fixed
panel
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
Application number
JP62317539A
Other languages
Japanese (ja)
Other versions
JPS6427144A (en
Inventor
三千夫 中村
敏尚 曽根
亨 高橋
政美 長谷川
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP62317539A priority Critical patent/JP2523729B2/en
Priority to EP88105977A priority patent/EP0288831B1/en
Priority to DE8888105977T priority patent/DE3868968D1/en
Priority to US07/182,155 priority patent/US4916357A/en
Priority to KR8804341A priority patent/KR910000923B1/en
Priority to CN88102123.7A priority patent/CN1009143B/en
Publication of JPS6427144A publication Critical patent/JPS6427144A/en
Application granted granted Critical
Publication of JP2523729B2 publication Critical patent/JP2523729B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明はシャドウマスク型のカラー受像管に係り、特
にシャドウマスクの保持構造に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Object of the Invention (Field of Industrial Application) The present invention relates to a shadow mask type color picture tube, and more particularly to a shadow mask holding structure.

(従来の技術) カラー受像管内にシャドウマスクを支持するのに、ス
プリング部材を用いてパネル内壁対角部に植設されたパ
ネルピンにより懸架する方法は、既知である。
(Prior Art) In order to support a shadow mask in a color picture tube, a method is known in which a spring member is used and suspended by panel pins implanted in diagonal portions of an inner wall of the panel.

例えば、特公昭46−4104号公報にはシャドウマスクを
スプリング部材により、ほぼ矩形状パネル窓の四隅に固
定する構造が記述されている。ここに記述されているよ
うなスプリング部材を使用すると、第4図に示すように
温度上昇による膨張によりシャドウマスク(18)が蛍光
体スクリーン(15)の方に若干移動し、この膨張のため
生じるシャドウマスウの孔とスクリーン(15)上の関連
する発光ドットとの間の相対的変位に基因する色再生誤
差が補正される。
For example, Japanese Patent Publication No. 46-4104 describes a structure in which a shadow mask is fixed to four corners of a substantially rectangular panel window by spring members. If a spring member as described here is used, the shadow mask (18) will move slightly toward the phosphor screen (15) due to expansion due to temperature rise, as shown in FIG. Color reproduction errors due to relative displacement between the holes in the shadow mask and the associated luminescent dots on the screen (15) are corrected.

上述のような補正原理に基づいてスプリング部材を設
計する場合、まず考えられる簡単な例は、第5図に示す
ようなものである。すなわち、シャドウマスク(18)を
支持しているフレーム(19)に一方が固定され、他方が
スタッドピン(22)に固定された金属板を折り曲げた構
造のスプリング部材(10)である。しかし、この構造で
はカラー受像管の製造工程中に数回繰り返される脱着作
業において、スプリング部材(10)が点線(10a)のよ
うに曲げられる際、折り曲げ部(101)が塑性変形して
もとの形状に戻らなくなってしまうという欠点があっ
た。
When designing a spring member based on the above-described correction principle, a simple example that can be considered first is as shown in FIG. That is, the spring member (10) has a structure in which a metal plate, one of which is fixed to the frame (19) supporting the shadow mask (18) and the other of which is fixed to the stud pin (22), is formed by bending a metal plate. However, in this structure, even when the bending portion (10 1 ) is plastically deformed when the spring member (10) is bent as shown by the dotted line (10a) in the detaching work repeated several times during the manufacturing process of the color picture tube. There was a drawback that it would not return to the shape.

これを改良するものとして第6図のように、フレーム
(19)に溶接された板状部の上端から下方のスタッドピ
ン(22)側にほぼくの字形に折り曲げられたスプリング
部材(20)が考えられた。この形状だと脱着のため点線
(20a)のように曲げたとき溶接点(13)の上方全体が
曲がるので、もとの戻らないような永久変形は避けるこ
とができる。しかし、このような連続したばね材料を曲
げ加工によって成形したスプリング部材には、外部から
の機械的衝撃に弱い欠点があることがわかった。すなわ
ち、第7図に示すようにパネルのスタッドピン(図示せ
ず)と嵌合する孔(34)の外周にピンから力F1が作用
し、フレーム(図示せず)に溶接された面(203)にF1
と反対向の力F2が作用する場合にスプリング部材(20)
の永久変形が起こりやすい。このような偶力は、カラー
受像管が輸送される際ときどき発生する。
As an improvement of this, as shown in FIG. 6, a spring member (20) bent in a substantially doglegged shape from the upper end of the plate-shaped portion welded to the frame (19) to the stud pin (22) side below. it was thought. With this shape, the entire upper portion of the welding point (13) bends when bent as indicated by the dotted line (20a) for desorption, so that permanent deformation that does not return to the original state can be avoided. However, it has been found that the spring member formed by bending such a continuous spring material has a weakness against mechanical shock from the outside. That is, as shown in FIG. 7, force F 1 acts from the pin on the outer periphery of the hole (34) fitted with the stud pin (not shown) of the panel, and the surface welded to the frame (not shown) ( 20 3 ) to F 1
Spring member (20) when a force F 2 opposite to is applied
Permanent deformation is likely to occur. Such couples sometimes occur when the color picture tube is transported.

永久変形のようすを調べてみると、上述の偶力によっ
てスプリング部材(20)の折り曲げ部の両端(201)お
よび(202)の変形が著しいことがわかった。すなわ
ち、第7図にような向きの偶力がスプリング部材(20)
に加わった場合、第8図に点線で示すような変形が起き
る。この理由は、第9図に矢印で示すような弧状の部分
が曲がりやすいため、第8図の場合でみると端部(2
01)は孤の半径が小さくなり、端部(202)は半径が大
きくなるためとわかった。
When the state of permanent deformation was examined, it was found that the couple described above significantly deformed both ends (20 1 ) and (20 2 ) of the bent portion of the spring member (20). That is, the couple force in the direction as shown in FIG. 7 is applied to the spring member (20).
In addition, the deformation shown by the dotted line in FIG. 8 occurs. The reason for this is that the arc-shaped portion as shown by the arrow in FIG. 9 is easily bent, and therefore the end portion (2
It was found that the radius of the arc was smaller at 0 1 ) and the radius at the end (20 2 ) was larger.

更に、この端部の変形量を減少させるために、第10図
のようなスプリング部材が提案された。このスプリング
部材は、端部(33),(34)がスプリング部材(31)と
(32)の2枚張り合わせとなっているため、端部の強度
は第7図に示したスプリング部材より向上する。しか
し、第10図に示したねじれ荷重F1及びF2が加わった場
合、変形量は減少するが、第11図に示した変形が依然と
して発生する。この変形量を実用上零とするためには、
スプリング部材(31)及び(32)の板厚を厚くしなくて
はならなく、スプリング部材のバネ圧力が大幅に増大
し、カラーブラウン管の製造工程に於けるシャドウマス
クとパネルの脱着作業性を大きく劣化させてしまう。ひ
いては、比較的薄い板厚のシャドウマスクを変形させて
しまうことがある。しかるに、スプリング部材の設計と
しては耐衝撃性と脱着作業性の妥協設計をせざるを得な
かった。
Further, in order to reduce the amount of deformation of this end portion, a spring member as shown in FIG. 10 has been proposed. In this spring member, since the end portions (33) and (34) are laminated with two spring members (31) and (32), the strength of the end portion is improved as compared with the spring member shown in FIG. . However, when the torsional loads F 1 and F 2 shown in FIG. 10 are applied, the deformation amount decreases, but the deformation shown in FIG. 11 still occurs. To make this amount of deformation practically zero,
The spring members (31) and (32) must be made thicker, the spring pressure of the spring members is greatly increased, and the workability of attaching and detaching the shadow mask and the panel in the manufacturing process of the color cathode ray tube is increased. It deteriorates. As a result, the shadow mask having a relatively thin thickness may be deformed. However, as the design of the spring member, there is no choice but to make a compromise design of impact resistance and detachment workability.

(発明が解決しようとする問題点) このように、従来構造のスプリング部材では依然とし
て永久変形はなくすことはできず、これを軽減するため
にスプリング部材のバネ圧を強くすると逆に脱着性が悪
くなるという問題があった。
(Problems to be solved by the invention) As described above, in the spring member having the conventional structure, the permanent deformation cannot be eliminated, and if the spring pressure of the spring member is increased to reduce the permanent deformation, the detachability is deteriorated. There was a problem of becoming.

本発明は以上の点に鑑みなされたもので、脱着作業に
よる永久変形および外部衝撃によるスプリング部材の永
久変形が小さく、常い良好なビームランディング特性を
得られるカラー受像管を提供することを目的とする。
The present invention has been made in view of the above points, and an object thereof is to provide a color picture tube in which permanent deformation due to detaching work and permanent deformation of a spring member due to an external impact are small, and always good beam landing characteristics can be obtained. To do.

〔発明の構成〕[Structure of Invention]

(問題点を解決するための手段) 本発明は、スプリング部材が、マスクフレーム部に固
定される固定部と、スタッドピンと嵌合する支持孔が穿
設された支持部とを有しており、固定部と支持部が固着
または一体成形により構成される屈曲部を介して連結さ
れており、固定部および支持部の少なくとも一方に支持
部のねじれを防止するねじ防止部を有しているカラー受
像管である。
(Means for Solving the Problems) According to the present invention, the spring member has a fixing portion fixed to the mask frame portion, and a supporting portion having a supporting hole for fitting the stud pin. A color image in which the fixing portion and the supporting portion are connected to each other through a bent portion formed by fixing or integrally molding, and at least one of the fixing portion and the supporting portion has a screw preventing portion for preventing the supporting portion from twisting. It is a tube.

(作 用) スプリング部材にねじ防止部を設けたので、外部衝撃
などでスプリング部材のスタッドピン係合側がねじれて
もねじれ防止部がストッパーとなって永久変形を起こす
までねじれることはない。
(Operation) Since the spring member has a screw prevention part, even if the stud pin engaging side of the spring member is twisted due to external impact, etc., the twist prevention part does not become a stopper and does not twist.

(実施例) 以下、図面を参照して本発明の実施例を説明する。ま
ず、第3図は本発明の一実施例を示すもので、カラー受
像管は観察側から見て実質的に矩形状をなすガラスでで
きたパネル(11)と、このパネル(11)に周辺で封着さ
れた漏斗状のファンネル(12)と、ファンネル(12)の
先細部分に連結されたネック(23)からなる外囲器(1
4)を有している。パネル内面には赤,緑,青の3色に
発光する各色蛍光体のストライプ状のパターンからなる
蛍光体スクリーン(15)が形成され、このスクリーンに
対向して、蛍光体を励起発光する3本の電子ビームを射
出する電子銃(16)がネック(23)内に配設される。
Embodiments Embodiments of the present invention will be described below with reference to the drawings. First, FIG. 3 shows an embodiment of the present invention. A color picture tube has a panel (11) made of glass which is substantially rectangular as viewed from the viewing side, and a periphery of this panel (11). An envelope (1) consisting of a funnel-shaped funnel (12) that is sealed with a neck, and a neck (23) connected to the tapered portion of the funnel (12).
4) have. Formed on the inner surface of the panel is a phosphor screen (15) consisting of a striped pattern of phosphors of each color that emits three colors of red, green, and blue. Opposite this screen, three phosphor screens that excite the phosphors to emit light are formed. An electron gun (16) for ejecting the electron beam is disposed in the neck (23).

スクリーン(15)と電子銃(16)間には、スクリーン
に近接して、3本の電子ビームを選択的にスクリーンに
振分ける多数のスリット状開孔(17)が穿設された厚さ
0.2mm前後の鉄またはアンバー材のシートでなるシャド
ウマスク(18)が配置される。シャドウマスクの周囲に
は、シャドウマスクの板厚より厚い0.4〜1.2mmの鉄のマ
スクフレーム部(19)に固定されている。スクリーン
(15),シャドウマスク(18)ともにほぼ矩形状をな
し、第1図に示すように、矩形対角部の各対角軸に相当
するマスクフレーム部(19)の四隅の外側部にスプリン
グ部材(40)が溶接固着される。
Between the screen (15) and the electron gun (16), a number of slit-like holes (17) are formed close to the screen to selectively distribute three electron beams to the screen.
A shadow mask (18) made of a sheet of iron or amber having a size of about 0.2 mm is arranged. Around the shadow mask, it is fixed to an iron mask frame portion (19) of 0.4 to 1.2 mm thicker than the thickness of the shadow mask. Both the screen (15) and the shadow mask (18) have a substantially rectangular shape, and as shown in FIG. 1, springs are provided outside the four corners of the mask frame part (19) corresponding to the diagonal axes of the rectangular diagonal part. The member (40) is welded and fixed.

スプリング部材(40)は第1図,第2図に示すよう
に、厚さ0.4mm前後のステンレス(SUS 631)材の2部材
から成り立っている。支持部をなす第1のステンレス部
材(41)はマスクフレーム(19)の外側壁面と平行な固
定面(411)と、これに連続した斜面(412)およびスタ
ッドピン(22)と嵌合される支持孔(44)を有する支持
面(413)で構成されている。固定部をなす第2のステ
ンレス部材(42)は、第1のステンレス部材(41)より
フレーム(19)側にあり、その一端が第1のステンレス
部材(41)の固定面(411)と溶接固定されることによ
り、スプリング部材(40)は第1と第2のステンレス部
材(41)と(42)の間に屈曲部(400)を有している。
そして、第2のステンレス部材(42)は数箇所において
フレーム(19)の4隅の外周壁に溶接固定されている。
As shown in FIGS. 1 and 2, the spring member (40) is composed of two members of stainless (SUS 631) material having a thickness of about 0.4 mm. The first stainless member (41) forming the support portion is fitted to a fixed surface (411) parallel to the outer wall surface of the mask frame (19), a sloped surface (412) continuous with the fixed surface (411) and a stud pin (22). The support surface (413) has a support hole (44). The second stainless member (42) forming the fixing portion is on the frame (19) side of the first stainless member (41), and one end thereof is welded to the fixing surface (411) of the first stainless member (41). By being fixed, the spring member ( 40 ) has a bent portion (400) between the first and second stainless steel members (41) and (42).
The second stainless member (42) is welded and fixed to the outer peripheral walls at the four corners of the frame (19) at several points.

スプリング部材(40)の詳細図を第2図に示す。第2
のステンレス部(42)は、スタッドピン(22)の軸をは
さむ両サイドにフレーム(19)の外周壁との接合面から
スタッドピン(22)方向へ延在した2翼を突出したねじ
れ防止部(421)を有している。この2翼のねじれ防止
部(421)と第1のステンレス部材(41)の支持面(41
3)の両サイド(414)の間隔は、0.1〜0.5mmに保たれて
いる。
A detailed view of the spring member ( 40 ) is shown in FIG. Second
The stainless steel part (42) of the stud pin (22) is a twist prevention part that protrudes two blades extending in the stud pin (22) direction from the joint surface with the outer peripheral wall of the frame (19) on both sides sandwiching the shaft of the stud pin (22). It has (421). The twist preventing portion (421) of the two blades and the supporting surface (41) of the first stainless member (41)
The space between both sides (414) of 3) is kept at 0.1 to 0.5 mm.

本発明によるこのようなスプリング部材は、脱着のた
めピン軸方向へ曲げたとき第12図に示すように、第2の
ステンレス部材(42)の第1のステンレス部材(41)と
の固定部付近の一部も反るように曲がるため、特定の部
位に応力が集中せず永久変形が起きない。
Such a spring member according to the present invention, when bent in the axial direction of the pin for attachment and detachment, as shown in FIG. 12, is in the vicinity of the fixed portion of the second stainless member (42) with the first stainless member (41). Since part of the bend also bends, stress does not concentrate on a specific part and permanent deformation does not occur.

また、外部衝撃によって第13図のような、すなわちカ
ラー受像管の観察窓の水平軸方向の衝撃に対して、例え
ばスプリング部材の幅方向に力F1,F2が働いた場合、第
1と第2のステンレス部材(41),(42)の溶接固定部
(45)では圧縮力,他方の端の部分(46)では引張り力
が生じることになる。
In addition, when the forces F 1 and F 2 act in the width direction of the spring member with respect to the impact in the horizontal axis direction of the observation window of the color picture tube as shown in FIG. A compressive force is generated at the welded fixed portions (45) of the second stainless steel members (41) and (42), and a tensile force is generated at the other end portion (46).

しかしながら、第1のステンレス部材(41)の両サイ
ド部(414)の0.1〜0.5mmの近傍に、第2のステンレス
部材(42)のねじれ防止部(421)が設けてあるため、
スプリング部材の最大ねじれ変位が阻止される。従っ
て、衝撃によって起きる永久変形も小さくなる。なお、
この場合、前記第1のステンレス部材(41)の両サイド
部(414)をねじれ防止部と考えることもでき、このよ
うに、第1,第2のステンレス部材(41),(42)の少な
くとも一方にねじれ防止部を設ければ本願目的を達成す
ることができる。
However, since the twist prevention portion (421) of the second stainless member (42) is provided in the vicinity of 0.1 to 0.5 mm of both side portions (414) of the first stainless member (41),
Maximum torsional displacement of the spring member is prevented. Therefore, the permanent deformation caused by the impact is also reduced. In addition,
In this case, both side portions (414) of the first stainless steel member (41) can be considered as twist prevention portions, and thus at least the first and second stainless steel members (41) and (42) can be considered. If the twist prevention portion is provided on one side, the object of the present application can be achieved.

本発明者等の21型90゜カラー受像管の実験によれば、
従来構造の例えば、第7図の形状のスプリング部材を用
いた場合をA、第10図の形状のスプリング部材を用いた
場合をB、及び本発明による第13図の形状スプリング部
材を用いた場合をCとし、カラー受像管を試作し、蛍光
体ストライプスクリーンの垂直方向(観察窓の水平方
向)に、落下による衝撃を加えてテストするとビームラ
ンディングの変形が以下のようになる。
According to the experiments of the 21-inch 90 ° color picture tube by the present inventors,
In the conventional structure, for example, the case where the spring member having the shape shown in FIG. 7 is used is A, the case where the spring member having the shape shown in FIG. 10 is used, and the case where the shape spring member shown in FIG. 13 according to the present invention is used. Is C, a color picture tube is prototyped, and the impact of dropping is applied in the vertical direction of the phosphor stripe screen (horizontal direction of the observation window) for testing. The deformation of the beam landing is as follows.

従来品Aでは、102 μm 従来品Bでは、 56 μm 本発明Cでは、 25 μmであった。In the conventional product A, it was 102 μm, in the conventional product B, it was 56 μm, and in the present invention C, it was 25 μm.

尚、この実験に用いたスプリング部材は、3者全てSUS
631 3/4H、厚さ0.4mmを使用した。
The spring members used in this experiment were all made of SUS.
631 3 / 4H, thickness 0.4mm was used.

本発明による他の実施例は、第13図における第1のス
テンレス部材(41)の厚さを0.4mm、第2のステンレス
部材(42)の厚さを0.5というように、第2のステンレ
ス部材(42)の方を少し厚くするものである。このよう
にすると衝撃に対する強度を向上させることができ、し
かも、脱着時に第1のステンレス部材を曲げるのに要す
る力はあまり増加しないので、脱着作業をやりにくくす
ることがない。但し、第2のステンレス部材(42)をあ
まり厚くすると、第5図に示すような従来のスプリング
部材の場合と同様に、脱着時に永久変形が生じてしま
う。実験によれば、第2のステンレス部材の厚さが第1
のステンレス部材の厚さの1ないし2倍の範囲であれば
脱着時の永久変形が少ないことがわかった。この範囲で
あれば十分なる機械的強度を保ちつつ永久変形を起さな
いものである。
Another embodiment according to the present invention is that the second stainless steel member (41) shown in FIG. 13 has a thickness of 0.4 mm and the second stainless steel member (42) has a thickness of 0.5. (42) is a little thicker. By doing so, the strength against impact can be improved, and since the force required to bend the first stainless member at the time of attachment / detachment does not increase so much, the attachment / detachment work is not made difficult. However, if the second stainless member (42) is made too thick, permanent deformation will occur at the time of attachment / detachment, as in the case of the conventional spring member as shown in FIG. According to the experiment, the thickness of the second stainless member is the first
It was found that the permanent deformation during detachment was small in the range of 1 to 2 times the thickness of the stainless steel member. Within this range, sufficient mechanical strength is maintained and permanent deformation does not occur.

本発明のさらに他の実施例は、第14図に示すような構
造のものである。すなわち、スプリング部材(50)の第
1のステンレス部材(51)の支持面(513)に嵌合孔(4
4)以外の孔(60)を設け、第2のステンレス部材(5
2)側に、前記孔(60)を貫通するねじれ防止のストッ
パー(521)を配置し、前記第1のステンレス部材(5
1)の孔(60)と、第2のステンレス部材(52)のスト
ッパー(521)にてねじれ防止部を構成している。前記
ストッパー(521)は、マスクフレーム(19)から、直
接または、溶接等にて間接的に延在させても良い。
Still another embodiment of the present invention has a structure as shown in FIG. That is, the fitting hole (4) is formed in the support surface (513) of the first stainless member (51) of the spring member (50) .
The holes (60) other than 4) are provided, and the second stainless member (5)
On the 2) side, a twist prevention stopper (521) penetrating the hole (60) is arranged, and the first stainless member (5)
The hole (60) of 1) and the stopper (521) of the second stainless steel member (52) constitute a twist prevention portion. The stopper (521) may extend from the mask frame (19) directly or indirectly by welding or the like.

本発明の他の実施例は、第15図に示すような構造のも
のである。この図のように、ねじれ防止部(621)を第
1のステンレス部材(61)と第2のステンレス部材(6
2)の溶接固定部(65)の近傍に設けることもできる。
Another embodiment of the present invention has a structure as shown in FIG. As shown in this figure, the twist prevention portion (621) is connected to the first stainless member (61) and the second stainless member (6).
It can also be provided near the weld fixing part (65) of 2).

なお、以上はコーナーで支持する方式について説明し
たが、熱膨張に対する補正を行なうことはフレームの辺
の中間部で支持する方式においても可能であって、その
ような方式であっても本発明が適用できることは言うま
でもない。
Although the method of supporting at the corner has been described above, it is possible to correct the thermal expansion even in the method of supporting at the middle portion of the side of the frame. It goes without saying that it can be applied.

〔発明の効果〕〔The invention's effect〕

以上のように、本発明によれば外部衝撃が加わった
際、スプリング部材のねじれを小さく抑えることができ
るため、衝撃によって発生するビームランディングの変
化を実用上問題にならない量まで小さくできる。なお且
つスプリング部材を脱着作業を行いやすいバネ圧に設計
できるので脱着作業が改善され、脱着作業時の過大な力
によるシャドウマスクの変形も防ぐことができる。さら
に、脱着作業時において、支持部がねじれ防止部に案内
されてその不所望な移動が補正されることにより、あら
ゆる方向からの負荷に対して支持部がねじ曲げられるこ
となく指示方向にのみ移動するので、安定した製造条件
及びマスクフレームの脱着が可能になり、カラー受像管
の特性を向上できる効果がある。
As described above, according to the present invention, when an external impact is applied, the torsion of the spring member can be suppressed to a small level, so that the change in the beam landing caused by the impact can be reduced to an amount that does not pose a practical problem. In addition, since the spring member can be designed to have a spring pressure that facilitates the attachment / detachment work, the attachment / detachment work is improved, and deformation of the shadow mask due to excessive force during the attachment / detachment work can be prevented. Further, during the attaching / detaching work, the support portion is guided by the twist prevention portion and its undesired movement is corrected, so that the support portion moves only in the instructed direction without being twisted against a load from any direction. Therefore, the stable manufacturing conditions and the detachment of the mask frame can be performed, and there is an effect that the characteristics of the color picture tube can be improved.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明の一実施例のスプリング部材の斜視図、
第2図は本発明によるスプリング部材の詳細図、第3図
は本発明の一実施例を示すカラー受像管の一部断面図、
第4図は熱膨張による補正原理を説明する図、第5図お
よび第6図は従来のスプリング部材を示す断面図、第7
図は従来のスプリング部材の斜視図、第8図は従来のス
プリング部材の変形を示す正面図、第9図は従来のスプ
リング部材の曲げ加工部の拡大図、第10図は他の従来の
スプリング部材の斜視図、第11図の他の従来のスプリン
グ部材の変形を示す図、第12図はシャドウマスクの脱着
時の状態を示す一部断面図、第13図は本発明によるスプ
リング部材の斜視図、第14図,第15図は本発明の他の実
施例のスプリング部材の斜視図である。 10,20,30,40,50……スプリング部材 11……パネル、12……ファンネル 15……蛍光体スクリーン、18……シャドウマスク 19……マスクフレーム、22……スタッドピン 23……ネック 41,51,61……第1のステンレス部材 421,621……ねじれ防止部 42,52,62……第2のステンレス部材
FIG. 1 is a perspective view of a spring member according to an embodiment of the present invention,
2 is a detailed view of a spring member according to the present invention, and FIG. 3 is a partial sectional view of a color picture tube showing an embodiment of the present invention,
FIG. 4 is a diagram for explaining a correction principle by thermal expansion, FIGS. 5 and 6 are sectional views showing a conventional spring member, and FIG.
FIG. 8 is a perspective view of a conventional spring member, FIG. 8 is a front view showing a modification of the conventional spring member, FIG. 9 is an enlarged view of a bent portion of the conventional spring member, and FIG. 10 is another conventional spring member. FIG. 11 is a perspective view of the member, FIG. 11 is a view showing a modification of another conventional spring member, FIG. 12 is a partial sectional view showing a state when the shadow mask is attached and detached, and FIG. 13 is a perspective view of the spring member according to the present invention. FIGS. 14, 14 and 15 are perspective views of a spring member of another embodiment of the present invention. 10,20,30,40,50 …… Spring member 11 …… Panel, 12 …… Funnel 15 …… Phosphor screen, 18 …… Shadow mask 19 …… Mask frame, 22 …… Stud pin 23 …… Neck 41 , 51,61 …… First stainless steel member 421,621 …… Twist prevention part 42,52,62 …… Second stainless steel member

───────────────────────────────────────────────────── フロントページの続き (72)発明者 長谷川 政美 埼玉県深谷市幡羅町1―9―2 株式会 社東芝深谷ブラウン管工場内 (56)参考文献 実開 昭52−148040(JP,U) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masami Hasegawa 1-9-2 Hararacho, Fukaya-shi, Saitama, Ltd. Inside the Fukaya CRT factory, Toshiba Corporation (56) References: 52-148040

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】実質的に矩形状のフェース部を持つパネル
と、ファンネルと、ネックとが連接された外囲器と、前
記パネル内面に形成された蛍光体スクリーンと、前記ス
クリーン方向の電子ビームを射出する電子銃と、前記ス
クリーンに近接対向して配置され多数の開孔が配列され
てなる実質的に矩形状のシャドウマスクと、前記シャド
ウマスクを保持する矩形枠状のマクスフレーム部を有
し、前記マスクフレーム部をスプリング部材を介して、
前記パネルの側壁部内面に植設されたスタッドピンに係
止するカラー受像管において、前記スプリング部材は、
前記マスクフレーム部に固定される固定部と、前記スタ
ッドピンと嵌合する支持孔が穿設された支持部とを有
し、前記固定部と前記支持部が固着または一体成形によ
り構成される屈曲部を介して連結されており、前記固定
部および前記支持部の少なくとも一方に支持部のねじれ
を防止するねじれ防止部を有していることを特徴とする
カラー受像管。
1. An envelope in which a panel having a substantially rectangular face portion, a funnel, and a neck are connected, a phosphor screen formed on the inner surface of the panel, and an electron beam in the screen direction. A substantially rectangular shadow mask in which a large number of apertures are arranged so as to be closely opposed to the screen, and a max frame portion having a rectangular frame shape for holding the shadow mask. Then, through the spring member, the mask frame portion,
In the color picture tube locked to the stud pin planted on the inner surface of the side wall of the panel, the spring member is
A bent portion having a fixed portion fixed to the mask frame portion and a support portion having a support hole that fits with the stud pin is formed, and the fixed portion and the support portion are fixed or integrally molded. A color picture tube, characterized in that the color picture tube is connected to the fixing section and / or the supporting section and has a twist preventing section for preventing the supporting section from twisting.
【請求項2】前記スプリング部材は、マスクフレーム部
の四隅の外側壁に固定されている特許請求の範囲第1項
記載のカラー受像管。
2. The color picture tube according to claim 1, wherein the spring member is fixed to outer walls of four corners of the mask frame portion.
【請求項3】前記ねじれ防止部が、前記支持部の側面の
外側になる特許請求の範囲第1項記載のカラー受像管。
3. The color picture tube according to claim 1, wherein the twist prevention portion is located outside the side surface of the support portion.
【請求項4】前記支持部が、前記支持孔以外の孔を有
し、この孔の中に前記ねじれ防止部がある特許請求の範
囲第1項記載のカラー受像管。
4. The color picture tube according to claim 1, wherein the support portion has a hole other than the support hole, and the twist prevention portion is provided in the hole.
JP62317539A 1986-12-23 1987-12-17 Color picture tube Expired - Lifetime JP2523729B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP62317539A JP2523729B2 (en) 1986-12-23 1987-12-17 Color picture tube
EP88105977A EP0288831B1 (en) 1987-04-16 1988-04-14 A shadow mask assembly of a color cathode ray tube
DE8888105977T DE3868968D1 (en) 1987-04-16 1988-04-14 SHADOW MASK ATTACHMENT FOR COLOR CATHODE RAY TUBES.
US07/182,155 US4916357A (en) 1987-04-16 1988-04-15 Shadow mask assembly of a color cathode ray tube
KR8804341A KR910000923B1 (en) 1987-04-16 1988-04-16 Color cathode ray tube having shadow mask assembly
CN88102123.7A CN1009143B (en) 1987-04-16 1988-04-16 Color picture tube with shadow mask

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP19676486 1986-12-23
JP61-196764 1987-04-16
JP62-91919 1987-04-16
JP9191987 1987-04-16
JP62317539A JP2523729B2 (en) 1986-12-23 1987-12-17 Color picture tube

Publications (2)

Publication Number Publication Date
JPS6427144A JPS6427144A (en) 1989-01-30
JP2523729B2 true JP2523729B2 (en) 1996-08-14

Family

ID=27306874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62317539A Expired - Lifetime JP2523729B2 (en) 1986-12-23 1987-12-17 Color picture tube

Country Status (1)

Country Link
JP (1) JP2523729B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001029864A1 (en) * 1999-10-22 2001-04-26 Matsushita Electric Industrial Co., Ltd. Cathode-ray tube and image display comprising the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100347224B1 (en) * 1999-04-19 2002-08-01 엘지전자주식회사 Device for Supporting Shadow Mask of Color cathode Ray Tube
ITMI20022539A1 (en) * 2002-11-29 2004-05-30 Videocolor Spa SUPPORT FOR FRAME / MASK GROUP WITH COLOR CATHODE RAYS
JP4941842B2 (en) * 2008-01-18 2012-05-30 新東工業株式会社 Casting equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612770Y2 (en) * 1976-05-06 1981-03-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001029864A1 (en) * 1999-10-22 2001-04-26 Matsushita Electric Industrial Co., Ltd. Cathode-ray tube and image display comprising the same
US7023129B1 (en) 1999-10-22 2006-04-04 Matsushita Electric Industrial Co., Ltd. Cathode-ray tube and image display comprising the same

Also Published As

Publication number Publication date
JPS6427144A (en) 1989-01-30

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