JPH0475411B2 - - Google Patents
Info
- Publication number
- JPH0475411B2 JPH0475411B2 JP20108684A JP20108684A JPH0475411B2 JP H0475411 B2 JPH0475411 B2 JP H0475411B2 JP 20108684 A JP20108684 A JP 20108684A JP 20108684 A JP20108684 A JP 20108684A JP H0475411 B2 JPH0475411 B2 JP H0475411B2
- Authority
- JP
- Japan
- Prior art keywords
- brake
- drum
- cover plate
- hole
- drum brake
- 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
Links
- 239000003566 sealing material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ブレーキドラムの内部より拡開して
制動を行なうドラムブレーキを密閉した密閉型内
部拡開式車両用ドラムブレーキに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sealed internally expanding drum brake for a vehicle, which is a sealed drum brake that expands from the inside of the brake drum to perform braking.
内部拡開式の車両用ドラムブレーキにおいて
は、摺接するブレーキドラム内周面とブレーキシ
ユー間に、水や土砂等が制動力が低下することを
防止するため、ドラムブレーキのバツクプレート
外周を折曲してフランジを形成すると共に、該フ
ランジ内周にもう一条のフランジを溶着し、両フ
ランジ間にブレーキドラムの口縁を遊嵌させた所
謂ラビリンス状に形成したものが知られている。
In internally expanding vehicle drum brakes, the outer periphery of the back plate of the drum brake is folded to prevent water, dirt, etc. from reducing the braking force between the inner peripheral surface of the brake drum and the brake shoe, which are in sliding contact with each other. It is known that a brake drum is bent to form a flange, and another flange is welded to the inner periphery of the flange, and the lip of the brake drum is loosely fitted between both flanges, forming a so-called labyrinth shape.
しかしながら、ラフロードを走行する車両にお
いては、その用途上ブレーキドラム内に水や土砂
が侵入し、制動力の低下やライニングの異常摩耗
を招くと共に、錆発生の原因となつていた。
However, in vehicles that travel on rough roads, water and dirt enter the brake drum due to its use, causing a reduction in braking force and abnormal wear of the lining, as well as causing rust.
本発明は、車輪と一体に回転するブレーキドラ
ムと該ブレーキドラムの内周面に摺接するドラム
ブレーキの制動部を密閉し、水や土砂の侵入を防
止して常に確実な制動力を得ることを目的とす
る。 The present invention seals the brake drum that rotates together with the wheel and the braking part of the drum brake that slides on the inner circumferential surface of the brake drum to prevent water and dirt from entering and to always obtain reliable braking force. purpose.
本発明は、上記の問題点を解決すべくなされた
もので、ドラムブレーキのバツクプレートのボス
部を車体側固定部に固着し、該ドラムブレーキの
ブレーキシユーを車軸に取着したブレーキドラム
の内部に拡開可能に設け、前記ドラムブレーキの
ボス部外周に軸受とシール材を介してカバープレ
ートを枢着し、該カバープレートの口縁と前記ブ
レーキドラムの口縁とに環状のシール材を被着し
て、ブレーキドラムとカバープレート間を密閉す
ると共に、前記バツクプレートのボス部に液通孔
とブリユーダ孔とを穿設し、該液通孔とブリユー
ダ孔の一端の口縁それぞれを、ドラムブレーキの
ブレーキシユーを拡開するホイルシリンダに連結
し、他端口縁を前記カバープレートの枢着位置よ
り車体内部側に設けたことを特徴とする。
The present invention has been made in order to solve the above-mentioned problems, and is a brake drum in which the boss part of the back plate of a drum brake is fixed to a fixed part on the vehicle body side, and the brake shoe of the drum brake is attached to the axle. A cover plate is provided in the interior so as to be expandable, a cover plate is pivotally attached to the outer periphery of the boss portion of the drum brake via a bearing and a sealing material, and an annular sealing material is provided on the rim of the cover plate and the rim of the brake drum. At the same time, a liquid passage hole and a brewer hole are formed in the boss portion of the back plate, and the edges of one end of the liquid passage hole and the brewer hole, respectively, are sealed. The brake shoe of the drum brake is connected to an expanding wheel cylinder, and the other end lip is provided inside the vehicle body from the pivot position of the cover plate.
以下、本発明の一実施例を図面に基づいて説明
する。
Hereinafter, one embodiment of the present invention will be described based on the drawings.
図は、泥濘地や河川等のラフロードを走行する
三輪または四輪車の従動輪の片側を示すもので、
車体（図示せず）に固定されるナツクルスピンド
ル１の側端小径軸部１ａには、円錐コロベリアン
グ２ａ，２ｂ、シール材３及びスリーブ４ａ，４
ｂを介して有底円筒形のブレーキドラム５が回転
可能に軸支され、該ブレーキドラム５は小径軸部
１ａ端部のねじ部１ｂにワツシヤ６を挟んで固定
ナツト７により抜け止めされている。このブレー
キドラム５の底部５ａには、複数個のホイール取
付ねじ８が固着され、該ねじ８にゴムタイヤ９を
装着するホイール１０が球面座ナツト１１により
取付固定されており、また円筒部５ｂの口縁５ｃ
にはフランジ５ｄを延設し、このフランジ５ｄに
嵌合凹部５ｅが周設されている。 The diagram shows one side of the driven wheel of a three-wheeled or four-wheeled vehicle traveling on rough roads such as muddy areas and rivers.
A small-diameter shaft portion 1a at the side end of the nutkl spindle 1 fixed to the vehicle body (not shown) includes conical cove rings 2a, 2b, a sealing material 3, and sleeves 4a, 4.
A cylindrical brake drum 5 with a bottom is rotatably supported via b, and the brake drum 5 is prevented from coming off by a fixing nut 7 with a washer 6 sandwiched between the screw portion 1b at the end of the small diameter shaft portion 1a. . A plurality of wheel mounting screws 8 are fixed to the bottom 5a of the brake drum 5, and a wheel 10 to which a rubber tire 9 is mounted is fixed to the screws 8 by a spherical seat nut 11. Edge 5c
A flange 5d is extended therein, and a fitting recess 5e is provided around the flange 5d.
１２は、バツクプレート１３のボス部１３ａを
前記ナツクルスピンドル１の大径軸部１ｃにシー
ル材１ｄを介して固着したドラムブレーキで、該
ドラムブレーキ１２は、両端をホイルシリンダ１
４とアンカ（図示せず）に支持され、リターンス
プリング１５により縮小方向に付勢される一対の
ブレーキシユー１６，１６を備えるもので、該ホ
イルシリンダ１４、アンカ、リターンスプリング
１５、ブレーキシユー１６，１６はバツクプレー
ト１３に支持されて前記ブレーキドラム５に内装
されている。 12 is a drum brake in which a boss portion 13a of a back plate 13 is fixed to a large diameter shaft portion 1c of the knuckle spindle 1 via a sealing material 1d, and both ends of the drum brake 12 are connected to a wheel cylinder 1.
4 and an anchor (not shown), and includes a pair of brake shoes 16, 16 that are urged in the contraction direction by a return spring 15, and the wheel cylinder 14, the anchor, the return spring 15, the brake shoe 16, 16 are supported by the back plate 13 and installed inside the brake drum 5.
１７は、バツクプレート１３のボス部１３ａ外
周に軸受１８及びシール材１９を介して回転可能
に軸支されたカバープレートで、該カバープレー
ト１７の円筒部１７ａの口縁１７ｂをブレーキド
ラム５のフランジ５ｄ近傍に臨ませると共に、該
口縁１７ｂを折返して環状の嵌合部１７ｃを形成
している。また、このカバープレート１７の口縁
１７ｂには突片１７ｄが延設され、該突片１７ｄ
の先端部はブレーキドラム５の口縁５ｃに凹設し
た嵌合溝５ｆに遊嵌されている。 Reference numeral 17 denotes a cover plate rotatably supported on the outer periphery of the boss portion 13a of the back plate 13 via a bearing 18 and a sealing material 19. 5d, and the opening edge 17b is folded back to form an annular fitting portion 17c. Further, a protruding piece 17d is extended from the mouth edge 17b of the cover plate 17, and the protruding piece 17d
The distal end portion of the brake drum 5 is loosely fitted into a fitting groove 5f recessed in the mouth edge 5c of the brake drum 5.
そして、ブレーキドラム５の嵌合凹受５ｅとカ
バープレート１７の嵌合部１７ｃに、環状に形成
された弾性シール材２０の両縁の突条２０ａ及び
２０ｂを嵌合してブレーキドラム５とカバープレ
ート１７間を密閉する。 Then, the projections 20a and 20b on both edges of the annularly formed elastic sealing material 20 are fitted into the fitting recess 5e of the brake drum 5 and the fitting part 17c of the cover plate 17, and the brake drum 5 and the cover are fitted. The space between the plates 17 is sealed.
前記バツクプレート１３のボス部１３ａ内に
は、ホイルシリンダ１４と連通する軸方向の液通
孔２１とブリユーダ孔２２、及びドラムブレーキ
１２内と連通する軸方向の大気連通孔２３が穿設
され、また各孔２１，２２，２３の他の口縁は、
カバープレート１７の枢着位置より車体内方側の
ボス部１３ａの外周でそれぞれ外部と連通してい
る。 In the boss portion 13a of the back plate 13, an axial liquid passage hole 21 and a brewer hole 22 that communicate with the wheel cylinder 14, and an axial atmosphere communication hole 23 that communicates with the inside of the drum brake 12 are bored. In addition, the other edges of each hole 21, 22, 23 are as follows:
Each of the boss portions 13a communicates with the outside at the outer periphery of the boss portion 13a on the inside of the vehicle body from the pivot position of the cover plate 17.
マスタシリンダ（図示せず）からの圧液をホイ
ルシリンダ１４に送給する前記液通孔２１は、ボ
ス部１３ａ外周に開設した口縁２１ａにブレーキ
ホース２４を接続するユニオンボルト２５を連結
し、ドラムブレーキ１２側の他端口縁２１ｂにフ
レアナツト２６を装着しており、このフレアナツ
ト２６はホイルシリンダ１４のボス部１４ａの液
通孔１４ｂに接続されたフレアナツト２７にパイ
プ２８を介して連結されている。 The fluid passage hole 21 that supplies pressurized fluid from a master cylinder (not shown) to the foil cylinder 14 is connected to a union bolt 25 that connects the brake hose 24 to a lip 21a formed on the outer periphery of the boss portion 13a. A flare nut 26 is attached to the other end edge 21b on the side of the drum brake 12, and this flare nut 26 is connected via a pipe 28 to a flare nut 27 connected to the fluid passage hole 14b of the boss portion 14a of the foil cylinder 14. .
ブリユーダ孔２２のドラムブレーキ１２側の口
縁２２ａには、ホイルシリンダ１４のボス部１４
ｃの液通孔１４ｄに接続されたフレアナツト２９
とパイプ３０を介して接続されるフレアナツト３
１が取着され、ボス部１３ａ外周面に形成された
ブリユーダ孔２２の他の口縁２２ｂには、エア放
出用のブリユーダ３２が螺着されている。 The boss portion 14 of the wheel cylinder 14 is attached to the mouth edge 22a of the brewer hole 22 on the drum brake 12 side.
Flare nut 29 connected to liquid passage hole 14d of c
and flare nut 3 connected via pipe 30.
1 is attached, and an air release brewer 32 is screwed onto the other edge 22b of the brewer hole 22 formed on the outer peripheral surface of the boss portion 13a.
大気連通孔２３は、制動作用の繰返しによつて
熱膨張するドラムブレーキ内の空気を外部に放出
するための通路で、該連通孔２３の一方の口縁２
３ａをバツクプレート１３よりドラムブレーキ１
２内に臨ませ、ボス部１３ａの外周面に形成され
た他の口縁２３ｂに排気ホース３３の口端を連結
する口金３４を接続し、該ホース３３の他端は走
行中に水や土砂が侵入しないよう車体の上部位置
に設けられている。 The atmosphere communication hole 23 is a passage for releasing air inside the drum brake that thermally expands due to repeated braking operations to the outside.
3a from the back plate 13 to the drum brake 1
A mouth end 34 for connecting the mouth end of the exhaust hose 33 is connected to the other mouth edge 23b formed on the outer circumferential surface of the boss portion 13a, and the other end of the hose 33 is connected to the mouth end 23b of the boss portion 13a. It is installed at the top of the vehicle body to prevent it from entering.
次に、上記構成による作用を説明する。 Next, the effect of the above configuration will be explained.
車両の走行により、タイヤ９とホイール１０か
らなる従動輪の転動に伴つてブレーキドラム５が
回転すると、ブレーキドラム５の嵌合溝５ｆに遊
嵌されたカバープレート１７の突片１７ｄが回動
し、これによりカバープレート１７とシール材２
０がブレーキドラム５と一体に回転する。 When the brake drum 5 rotates as the driven wheel consisting of the tire 9 and the wheel 10 rolls as the vehicle runs, the protrusion 17d of the cover plate 17 loosely fitted into the fitting groove 5f of the brake drum 5 rotates. As a result, the cover plate 17 and the sealing material 2
0 rotates together with the brake drum 5.
そして、走行中の車輪を制動するには、ブレー
キホース２４より送られた圧液をバツクプレート
１３のボス部１３ａ内の液通孔２１を経てホイル
シリンダ１４の液圧室３５に送り、該ホイルシリ
ンダ１４内のピストン３６，３６を押動して一対
のブレーキシユー１６，１６を拡開させ、該ブレ
ーキシユー１６，１６のライニング１６ａ，１６
ａをブレーキドラム５の円筒部５ｂの内周面５ｇ
に摺接して制動を行なう。 In order to brake the running wheels, the pressure fluid sent from the brake hose 24 is sent to the fluid pressure chamber 35 of the wheel cylinder 14 through the fluid passage hole 21 in the boss portion 13a of the back plate 13, and the fluid is sent to the fluid pressure chamber 35 of the wheel cylinder 14. The pistons 36, 36 in the cylinder 14 are pushed to expand the pair of brake shoes 16, 16, and the linings 16a, 16 of the brake shoes 16, 16 are expanded.
a is the inner peripheral surface 5g of the cylindrical portion 5b of the brake drum 5
Braking is performed by sliding in contact with.
尚、上記実施例では本発明を従動輪に適用して
説明したが、ブレーキドラムを駆動軸に、ドラム
ブレーキを駆動軸のケーシング等車体固定部に取
着する駆動輪であつてもよく、また左右輪を備え
る三、四輪車に限らず、オフロード車等の二輪車
にも適用可能である。 In the above embodiments, the present invention was explained as being applied to a driven wheel, but it may also be a driving wheel in which the brake drum is attached to the drive shaft and the drum brake is attached to a fixed part of the vehicle body such as the casing of the drive shaft. It is applicable not only to three- and four-wheeled vehicles with left and right wheels, but also to two-wheeled vehicles such as off-road vehicles.
本発明は以上説明した如く、回転するブレーキ
ドラムを内部より拡開して制動作用を行なうドラ
ムブレーキのボス部にカバープレートを回転可能
に設け、該カバープレート口縁とブレーキドラム
口縁とに環状の弾性シール材を被着して、ブレー
キドラムとカバープレート間を密閉したことによ
り、ブレーキ内への水や土砂の侵入を確実に防止
でき、またホイルシリンダと連通する液通孔とブ
リユーダ孔とを、回転するブレーキドラム及びカ
バープレートと干渉しないバツクプレートのボス
部内に設け、両孔をカバープレートの枢着位置よ
り車体内側部で外部と連通させたので、常に安定
した制動力を発揮でき、殊に泥濘地や河川或いは
積雪地等のラフロードを走行する車両への使用に
最適である。
As explained above, the present invention includes a cover plate rotatably provided on the boss portion of a drum brake that performs braking by expanding a rotating brake drum from the inside, and an annular shape formed between the cover plate rim and the brake drum rim. By applying an elastic sealant to seal the space between the brake drum and the cover plate, it is possible to reliably prevent water and dirt from entering the brake. is provided in the boss part of the back plate that does not interfere with the rotating brake drum and cover plate, and both holes communicate with the outside at the inside of the vehicle body from the pivot position of the cover plate, so stable braking force can always be exerted. It is especially suitable for use in vehicles traveling on rough roads such as muddy areas, rivers, and snowy areas.
図は本発明の一実施例を示すもので、第１図は
断面正面図、第２図はドラムブレーキの正面図、
第３図はホイルシリンダのブリユーダ孔を示す断
面図である。
１……ナツクルスピンドル、５……ブレーキド
ラム、５ａ……底部、５ｂ……円筒部、５ｃ……
口縁、５ｄ……フランジ、５ｅ……嵌合凹部、５
ｆ……嵌合溝、５ｇ……内周面、１０……ホイー
ル、１２……ドラムブレーキ、１３……バツクプ
レート、１３ａ……ボス部、１４……ホイルシリ
ンダ、１６……ブレーキシユー、１６ａ……ライ
ニング、１７……カバープレート、１８……軸
受、１９……シール材、２０……シール材、２０
ａ，２０ｂ……突条、２１……液通孔、２２……
大気連通孔、２３……ブリユーダ孔。
The figures show one embodiment of the present invention, in which Figure 1 is a sectional front view, Figure 2 is a front view of a drum brake,
FIG. 3 is a sectional view showing the brewer hole of the foil cylinder. 1...Natsukuru spindle, 5...Brake drum, 5a...bottom, 5b...cylindrical part, 5c...
Mouth edge, 5d...flange, 5e...fitting recess, 5
f... Fitting groove, 5g... Inner peripheral surface, 10... Wheel, 12... Drum brake, 13... Back plate, 13a... Boss portion, 14... Wheel cylinder, 16... Brake shoe, 16a...Lining, 17...Cover plate, 18...Bearing, 19...Sealing material, 20...Sealing material, 20
a, 20b...projection, 21...liquid hole, 22...
Atmospheric communication hole, 23... Bryuda hole.
Claims (1)
車体側固定部に固着し、該ドラムブレーキのブレ
ーキシユーを車軸に取着したブレーキドラムの内
部に拡開可能に設け、前記ドラムブレーキのボス
部外周に軸受とシール材を介してカバープレート
を枢着し、該カバープレートの口縁と前記ブレー
キドラムの口縁とに環状のシール材を被着して、
ブレーキドラムとカバープレート間を密閉すると
共に、前記バツクプレートのボス部に液通孔とブ
リユーダ孔とを穿設し、該液通孔とブリユーダ孔
の一端の口縁それぞれを、ドラムブレーキのブレ
ーキシユーを拡開するホイルシリンダに連結し、
他端口縁を前記カバープレートの枢着位置より車
体内部側に設けたことを特徴とする密閉型車両用
ドラムブレーキ。1. The boss part of the back plate of the drum brake is fixed to the fixed part on the vehicle body side, the brake shoe of the drum brake is provided so as to be expandable inside the brake drum attached to the axle, and the boss part of the drum brake is attached to the outer periphery of the boss part of the drum brake. A cover plate is pivotally mounted via a bearing and a sealing material, and an annular sealing material is applied to a mouth edge of the cover plate and a mouth edge of the brake drum,
In addition to sealing the space between the brake drum and the cover plate, a liquid passage hole and a brewer hole are formed in the boss portion of the back plate, and the edges of the liquid passage hole and the brewer hole are respectively connected to the brake cylinder of the drum brake. Connect to the foil cylinder that expands the
A closed type vehicle drum brake, characterized in that the other end lip is provided inside the vehicle body from the pivot position of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20108684A JPS6179033A (en) | 1984-09-26 | 1984-09-26 | Closed drum brake for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20108684A JPS6179033A (en) | 1984-09-26 | 1984-09-26 | Closed drum brake for car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6179033A JPS6179033A (en) | 1986-04-22 |
| JPH0475411B2 true JPH0475411B2 (en) | 1992-11-30 |
Family
ID=16435158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20108684A Granted JPS6179033A (en) | 1984-09-26 | 1984-09-26 | Closed drum brake for car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6179033A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099200A (en) * | 1999-09-28 | 2001-04-10 | Honda Motor Co Ltd | Drum brake structure of unlevelled ground running wheel |
-
1984
- 1984-09-26 JP JP20108684A patent/JPS6179033A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6179033A (en) | 1986-04-22 |
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