JP2776686B2 - Clutch drum used for automatic transmission of vehicles - Google Patents
Clutch drum used for automatic transmission of vehiclesInfo
- Publication number
- JP2776686B2 JP2776686B2 JP4106152A JP10615292A JP2776686B2 JP 2776686 B2 JP2776686 B2 JP 2776686B2 JP 4106152 A JP4106152 A JP 4106152A JP 10615292 A JP10615292 A JP 10615292A JP 2776686 B2 JP2776686 B2 JP 2776686B2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- clutch plate
- clutch
- teeth
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/648—Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
-
- 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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は車輌の自動変速機に用い
られるクラッチドラムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch drum used for an automatic transmission of a vehicle.
【０００２】[0002]
【従来の技術】図１、図２に示すように、クラッチドラ
ム１は一端が開放されたクラッチ板内嵌め用のドラム部
２と、該クラッチ板内嵌め用のドラム部２の他端に連設
されたピストン内蔵用のシリンダー部３とを有し、クラ
ッチ板内嵌め用のドラム部２の周壁にドラム軸線方向に
延びる歯４が形成され、該クラッチ板内嵌め用のドラム
部２に内嵌めせる複数枚のクラッチ板５を上記歯４と咬
合させてその移動を案内する構成とし、他方上記ピスト
ン内蔵用のシリンダー部３に上記クラッチ板５を押圧又
は押圧解除して相互に摩擦係合又は解除するピストン
（図示省略）が内蔵され、該ピストンと対向するクラッ
チ板５は上記クラッチ板内嵌め用のドラム部２とピスト
ン内蔵用のシリンダー部３の連設部に形成された内側段
部６で支持し、ピストンの押圧に備えている。2. Description of the Related Art As shown in FIGS. 1 and 2, a clutch drum 1 is connected to a drum portion 2 for fitting into a clutch plate having one end opened, and to the other end of the drum portion 2 for fitting into the clutch plate. And a cylinder portion 3 with a built-in piston provided therein, and teeth 4 extending in the axial direction of the drum are formed on the peripheral wall of the drum portion 2 for fitting in the clutch plate. A plurality of clutch plates 5 to be fitted are brought into engagement with the teeth 4 to guide the movement thereof, and the clutch plates 5 are pressed or released from the piston built-in cylinder portion 3 to frictionally engage with each other. Alternatively, a piston (not shown) for releasing is built in, and the clutch plate 5 facing the piston is an inner step formed in a continuous portion of the drum portion 2 for fitting into the clutch plate and the cylinder portion 3 for housing the piston. Support at 6, Pis It is provided to the pressing of the emissions.
【０００３】従ってクラッチ板５と咬合するドラム部２
の歯４は上記内側段部６で終端し、クラッチ板５の移動
を案内する構成となっている。[0003] Therefore, the drum portion 2 that engages with the clutch plate 5
The teeth 4 are terminated at the inner stepped portion 6 to guide the movement of the clutch plate 5.
【０００４】[0004]
【発明が解決しようとする問題点】然るに、従来上記段
部６で終端する歯４の内側谷部７の谷底７ａの端部に
は、例えば特開昭６３ー２０３９２４号で示される、図
示のような弧形面７ｂが形成され、この弧形面７ｂの生
成は歯成形時の不可避的現象とされている。このために
ピストンと対向する前記クラッチ板５が上記弧形面７ｂ
に乗り上げて傾きを生じこれがクラッチ焼けの原因とな
っている。However, at the end of the valley bottom 7a of the inner valley 7 of the tooth 4 which terminates at the step 6 in the prior art, for example, as shown in Japanese Patent Application Laid-Open No. 63-203924, shown in FIG. Such an arc-shaped surface 7b is formed, and the generation of the arc-shaped surface 7b is regarded as an inevitable phenomenon during tooth molding. For this purpose, the clutch plate 5 facing the piston has the arc-shaped surface 7b.
This causes the vehicle to lean and cause a clutch burn.
【０００５】又上記谷底７ａ端部の弧形面７ｂの分だけ
歯４の内側谷部７及び内側山部８の有効長が減殺され、
換言すれば歯４の精度が歯の端部まで確保できず、又こ
の歯の有効長を長くせんとするとドラムの大形化、重量
増加を招くばかりか、有効長を長くしても上記クラッチ
焼けの原因を除去できない問題を内在している。The effective length of the inner valley 7 and the inner ridge 8 of the tooth 4 is reduced by the arcuate surface 7b at the end of the valley bottom 7a.
In other words, if the accuracy of the teeth 4 cannot be ensured to the end of the teeth, and if the effective length of the teeth is not increased, the size and weight of the drum are increased, and even if the effective length is increased, the above-mentioned clutch is required. There is a problem that the cause of burning cannot be eliminated.
【０００６】[0006]
【問題を解決するための手段】本発明は上記問題を解決
する車輌の自動変速機に用いられるクラッチドラムを提
供するものであり、その手段として上記歯をクラッチ板
内嵌め用のドラム部とピストン内蔵用のシリンダー部の
連設部に形成されたドラム内側の段部において終端させ
つつ、該歯が終端する上記段部に上記歯の谷と連続する
窪みを形成する構成としたものである。SUMMARY OF THE INVENTION The present invention provides a clutch drum for use in an automatic transmission for a vehicle which solves the above-mentioned problems. In this configuration, a recess is formed in the step portion where the teeth terminate while forming a recess that is continuous with the valley of the teeth, while terminating at a step portion inside the drum formed in the continuous portion of the built-in cylinder portion.
【０００７】[0007]
【作用】上記窪み形成によって、図１、図２で説明した
如き歯の谷底端部の弧形面が確実に除去され、該弧形面
へのクラッチ板の乗り上げと傾きに起因する前記クラッ
チ焼けの問題を有効に解決する。By the formation of the depression, the arcuate surface at the bottom end of the tooth as described with reference to FIGS. 1 and 2 is surely removed, and the clutch burn due to the climbing of the clutch plate to the arcuate surface and the inclination. To effectively solve the problem.
【０００８】又上記弧形面の除去によって歯の有効長を
段部への終端まで確保し、クラッチ板を段部内側縁に確
実且つ安定に支持しピストンの押圧に備える。By removing the arc-shaped surface, the effective length of the teeth is secured to the end of the step, and the clutch plate is securely and stably supported on the inner edge of the step to prepare for the pressing of the piston.
【０００９】又上記窪みは例えば円形の平板にプレスに
より据え込み加工を施しつつ歯成形すると同時、又は成
形後形成され、簡潔なる手段にて実効を上げ得る。The depression is formed at the same time as or after forming the teeth while upsetting a circular flat plate by pressing, and the effect can be improved by simple means.
【００１０】[0010]
【実施例】以下本発明の実施例を図３乃至図６に基いて
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【００１１】各図において、１は車輌の自動変速機に用
いられる板金加工から成るクラッチドラムであり、該ク
ラッチドラム１はクラッチ板を内嵌めするドラム部２と
ピストン１１を内蔵せる有底のシリンダー部３とから成
る。In each of the figures, reference numeral 1 denotes a clutch drum made of sheet metal used for an automatic transmission of a vehicle, and the clutch drum 1 is a bottomed cylinder in which a drum portion 2 for fitting a clutch plate and a piston 11 are incorporated. 3.
【００１２】クラッチ板内嵌め用のドラム部２は一端が
開放され、他端に該ドラム部２より小径の上記ピストン
内蔵用のシリンダー部３を同心円に連設し、該ドラム部
２とシリンダー部３の連設部に該ドラム部２とシリンダ
ー部３の径の差に応じた環状の内側段部６を有する。One end of the drum portion 2 for fitting in the clutch plate is opened, and the other end of the cylinder portion 3 having a smaller diameter than the drum portion 2 for confining the piston is concentrically connected to the drum portion 2. 3 has an annular inner step 6 corresponding to the difference in diameter between the drum 2 and the cylinder 3.
【００１３】他方クラッチ板内嵌め用のドラム部２の周
壁にはドラム軸線方向に延在する歯４がプレス加工さ
れ、該歯４の一端をドラム部２の一端開放部において開
放し、他端は上記連設部における上記内側段部６におい
て終端する。この内側段部６は上記歯４の内側谷部７と
内側山部８とに連続した環状の段部である。On the other hand, teeth 4 extending in the axial direction of the drum are pressed on the peripheral wall of the drum portion 2 for fitting into the clutch plate, and one end of the teeth 4 is opened at the one end opening portion of the drum portion 2. Terminates at the inner step 6 in the connecting portion. The inner step 6 is an annular step connected to the inner valley 7 and the inner ridge 8 of the tooth 4.
【００１４】而して、上記歯４の内側谷部７が終端する
上記内側段部６の部位に上記歯４の内側谷部７と連続す
る窪み９を形成し、相対的に内側段部６の外表面側に上
記窪み９と反対向きの窪み１０を形成する。好ましくは
該窪み９は歯４の谷底７ａに沿い形成する。Thus, a recess 9 is formed in the portion of the inner step 6 where the inner valley 7 of the tooth 4 terminates, and the recess 9 is continuous with the inner valley 7 of the tooth 4. Is formed on the outer surface side of the recess. Preferably, the depression 9 is formed along the root 7a of the tooth 4.
【００１５】上記窪み９の形成によって内側段部６の内
周縁部に環状のクラッチ板支持部６ａを形成し、クラッ
チ板５の周縁部に形成した歯を上記歯４に咬合させて該
支持部６ａにピストンと対向する上記クラッチ板５の周
縁部内域を支持する構造を形成すると共に、クラッチ板
５の周縁部に形成された歯を上記窪み９の形成部位にお
いてクラッチ板支持部６ａと非干渉状態とする。An annular clutch plate support 6a is formed on the inner peripheral edge of the inner step 6 by the formation of the recess 9, and the teeth formed on the peripheral edge of the clutch plate 5 are brought into engagement with the teeth 4 to form the support. 6a, a structure for supporting the inner region of the peripheral portion of the clutch plate 5 facing the piston is formed, and teeth formed on the peripheral portion of the clutch plate 5 are not interfered with the clutch plate support portion 6a at the portion where the recess 9 is formed. State.
【００１６】上記窪み９の内底面は歯４の谷底７ａに沿
う部分において最も深く、同所から上記クラッチ板支持
部６ａに向って漸次浅くなるように傾面７ｃを形成す
る。この窪み９は平板の円形板金にプレス加工を施して
ドラム形状に据え込み加工しつつ歯４を成形する際に、
該歯成形と同時又は歯成形後容易に形成することができ
る。The inner bottom surface of the recess 9 is deepest at a portion along the valley bottom 7a of the tooth 4, and forms an inclined surface 7c so as to gradually become shallower from the same position toward the clutch plate support 6a. This depression 9 is formed by pressing a flat circular sheet metal and forming the teeth 4 while upsetting in a drum shape.
It can be easily formed simultaneously with or after the tooth molding.
【００１７】実施例として、図５は内側段部６の内周縁
のクラッチ板支持部６ａの高さを変えずに上記窪み９を
据え込み加工した場合を示し、他例として、図６は上記
クラッチ板支持部６ａの高さをクラッチ板内嵌め用のド
ラム部２内へ突出させつつ、その内側に窪み９を、外側
に反対側の窪み１０を夫々据え込み成形した場合を示
す。As an embodiment, FIG. 5 shows a case where the recess 9 is upset without changing the height of the clutch plate supporting portion 6a on the inner peripheral edge of the inner step portion 6. As another example, FIG. The case where the height of the clutch plate supporting portion 6a is protruded into the drum portion 2 for fitting into the clutch plate, and the depression 9 is formed inside and the opposite depression 10 is formed on the outside is upset.
【００１８】図５においては内型により内側段部６の内
表面に矢印Ｐ1で示す方向から窪み９を据え込み加工
し、図６においては内型により内側段部６の内表面に矢
印Ｐ1で示す軸線方向からの据え込み加工を施して窪み
９を形成しつつ、外型により段部６の外表面に矢印Ｐ2
で示す軸線方向から据え込み加工を施し上記反対側の窪
み１０を形成すると同時に、クラッチ板支持部６ａをク
ラッチ板内嵌め用のドラム部２内へ向け盛り上げる。こ
れによってピストンの有効摺動面長を長くすることがで
きる。[0018] and upsetting the recess 9 from the direction indicated by the arrow P 1 on the inner surface of the inner stepped portion 6 by the inner mold in FIG. 5, the arrows on the inner surface of the inner stepped portion 6 by the inner mold in FIG. 6 P While performing the upsetting process from the axial direction shown by 1 to form the depression 9, the outer surface of the step 6 is marked with an arrow P 2 by the outer die.
At the same time, the upside-down process is performed from the axial direction shown by the arrow to form the above-described recess 10 on the opposite side, and at the same time, the clutch plate supporting portion 6a is raised toward the inside of the drum portion 2 for fitting into the clutch plate. Thereby, the effective sliding surface length of the piston can be increased.
【００１９】従って、本発明は内側段部６に矢印Ｐ2で
示す方向からのみ据え込み加工を施し、相対的に上記窪
み９を形成する場合を含む。Therefore, the present invention includes a case where the inner step portion 6 is upset only in the direction indicated by the arrow P 2 to relatively form the depression 9.
【００２０】斯くして形成されたクラッチ板支持部６ａ
は歯内径の内側に沿い環状に形成され、クラッチ板５の
周縁に形成した歯を上記歯４に咬合させてクラッチ板５
の周縁の歯を上記窪み９の存在部位で支持部６ａと非干
渉としつつ、該歯内域を上記支持部６ａに安定に支持
し、ピストンの押圧に供する。The clutch plate support 6a thus formed
Are formed in an annular shape along the inside of the tooth inner diameter, and the teeth formed on the peripheral edge of the clutch plate 5
While the teeth at the periphery of are not interfered with the support portions 6a at the locations where the depressions 9 are present, the inner regions of the teeth are stably supported by the support portions 6a and used for pressing the piston.
【００２１】[0021]
【発明の効果】本発明によれば、クラッチ板支持用の内
側段部６の内側谷部７端部と対応する部位に上記谷部７
と連続する窪み９を形成して内側段部６の内周縁部に形
成されたクラッチ板支持部６ａにクラッチ板５の歯周縁
部内域を支持しつつ同歯を上記窪み形成部位において内
側段部６と非干渉状態とすることにより、従来のクラッ
チドラムにおける歯の谷底端部の弧形面が確実に除去さ
れ、該弧形面へのクラッチ板の乗り上げと傾きに起因す
るクラッチ焼けの問題を有効に解決することができる。According to the present invention, the valley 7 is formed at a position corresponding to the end of the inner valley 7 of the inner step 6 for supporting the clutch plate.
Is formed on the inner peripheral portion of the inner step portion 6 to support the inner peripheral region of the tooth periphery of the clutch plate 5 and form the same tooth in the concave portion at the inner step portion. 6, the arcuate surface at the root end of the tooth in the conventional clutch drum is reliably removed, and the problem of clutch scorching caused by the inclination and the inclination of the clutch plate on the arcuate surface is eliminated. Can be solved effectively.
【００２２】又上記弧形面の除去によって歯４の有効長
を内側段部６への終端まで確保し、クラッチ板を傾きを
生ぜずに段部内周縁部に確実且つ安定に支持しピストン
の押圧によるクラッチ板５の移動を適正に行なうことが
できる。By removing the arcuate surface, the effective length of the teeth 4 is secured to the end of the inner step 6, and the clutch plate is securely and stably supported on the inner peripheral edge of the step without tilting, thereby pressing the piston. , The clutch plate 5 can be moved appropriately.
【００２３】又上記窪み９は例えば円形の平板にプレス
により据え込み加工を施しつつ歯成形すると同時に、又
は成形後に容易に形成でき、簡潔なる手段にて所期の目
的を有効に達成することができる。The recess 9 can be easily formed at the same time as or after forming teeth while performing upsetting by pressing a circular flat plate, for example, so that the intended purpose can be effectively achieved by simple means. it can.
【図１】従来の車輌の自動変速機に用いられるクラッチ
ドラムの要部を切欠して示す斜視図である。FIG. 1 is a cutaway perspective view showing a main part of a clutch drum used in a conventional automatic transmission of a vehicle.
【図２】同断面図である。FIG. 2 is a sectional view of the same.
【図３】本発明の一実施例たる車輌の自動変速機に用い
られるクラッチドラムの要部を切欠して示す斜視図であ
る。FIG. 3 is a cutaway perspective view showing a main part of a clutch drum used in an automatic transmission of a vehicle according to an embodiment of the present invention.
【図４】同クラッチドラム全体の断面図である。FIG. 4 is a sectional view of the entire clutch drum.
【図５】同クラッチドラムの要部断面図である。FIG. 5 is a sectional view of a main part of the clutch drum.
【図６】他例を示す同クラッチドラムの要部断面図であ
る。FIG. 6 is a sectional view of a main part of the clutch drum showing another example.
１ 車輌の自動変速機に用いられるクラッチド
ラム ２ クラッチ板内嵌め用のドラム部 ３ シリンダー内蔵用のドラム部 ４ 歯 ５ クラッチ板 ６ 内側段部 ７ 歯の谷 ７ａ 同谷底 ８ 歯の山 ９ 窪み １０ 反対側の窪みDESCRIPTION OF SYMBOLS 1 Clutch drum used for automatic transmission of a vehicle 2 Drum part for fitting in a clutch plate 3 Drum part for incorporating a cylinder 4 Teeth 5 Clutch plate 6 Inner stepped part 7 Teeth valley 7a Same valley bottom 8 Teeth ridge 9 Depression 10 Opposite depression
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F16D 11/00 - 39/00 F16D 49/00 - 71/04──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 6 , DB name) F16D 11/00-39/00 F16D 49/00-71/04
Claims (2)
あり、該クラッチドラム（１）はクラッチ板を内嵌めす
るドラム部（２）とピストン（１１）を内蔵せる有底の
シリンダー部（３）とから成り、上記クラッチ板内嵌め
用のドラム部（２）は一端が開放され、他端に該ドラム
部（２）より小径の上記ピストン内蔵用のシリンダー部
（３）を同心円に連設し、該ドラム部（２）とシリンダ
ー部（３）の連設部に該ドラム部（２）とシリンダー部
（３）の径の差に応じた環状の内側段部（６）を有し、
上記クラッチ板内嵌め用のドラム部（２）の周壁にはド
ラム軸線方向に延在する歯（４）をプレス加工し、該歯
（４）の一端を上記ドラム部（２）の一端開放部におい
て開放し、他端は上記連設部における歯（４）の内側山
部（８）と内側谷部（７）に連続する上記環状の内側段
部（６）において終端し、該歯（４）にクラッチ板
（５）の周縁部に形成された歯を咬合させて該クラッチ
板周縁部を上記内側段部（６）に支持させるようにした
クラッチドラムにおいて、上記内側段部（６）の上記歯
（４）の内側谷部（７）が終端する部位に該内側谷部
（７）と連続する窪み（９）を形成し、相対的に内側段
部（６）の外表面側に上記窪み（９）と反対側の窪み
（１０）を形成すると共に、上記窪み（９）の形成によ
って内側段部（６）の内周縁部に環状のクラッチ板支持
部（６ａ）を形成し、該クラッチ板支持部（６ａ）にピ
ストンと対向する上記クラッチ板（５）の周縁部内域を
支持し、クラッチ板（５）の周縁部に形成された歯を上
記窪み（９）を形成した部位において内側段部（６）と
非干渉状態としたことを特徴とする車輌の自動変速機に
用いられるクラッチドラム。A clutch drum (1) made of sheet metal processing, said clutch drum (1) having a drum section (2) for internally fitting a clutch plate and a bottomed cylinder section (3) containing a piston (11). The drum portion (2) for fitting in the clutch plate is open at one end, and the other end of the cylinder portion (3) having a smaller diameter than the drum portion (2) is built in concentric circles. The drum portion (2) and the cylinder portion (3) have an annular inner step (6) at a continuous portion thereof corresponding to the difference in diameter between the drum portion (2) and the cylinder portion (3).
A tooth (4) extending in the axial direction of the drum is pressed on a peripheral wall of the drum part (2) for fitting in the clutch plate, and one end of the tooth (4) is opened at one end of the drum part (2). And the other end is terminated at the annular inner step (6) continuous with the inner peak (8) and the inner valley (7) of the teeth (4) in the continuous portion. ), The teeth formed on the periphery of the clutch plate (5) are engaged with each other so that the periphery of the clutch plate is supported by the inner step (6). A recess (9) continuous with the inner valley (7) is formed at a portion where the inner valley (7) of the tooth (4) ends, and the recess (9) is relatively formed on the outer surface side of the inner step (6). A depression (10) opposite to the depression (9) is formed, and the inner periphery of the inner step (6) is formed by forming the depression (9). An annular clutch plate support portion (6a) is formed in the portion, and the clutch plate support portion (6a) supports the inner peripheral region of the clutch plate (5) facing the piston, and forms a peripheral portion of the clutch plate (5). A clutch drum for use in an automatic transmission of a vehicle, characterized in that the teeth formed on the inner surface of the clutch drum do not interfere with the inner step (6) at the portion where the depression (9) is formed.
に沿って形成されていることを特徴とする請求項１記載
の車輌の自動変速機に用いられるクラッチドラム。2. The recess (9) has a valley bottom (7a) of a tooth (4).
The clutch drum for use in an automatic transmission for a vehicle according to claim 1, wherein the clutch drum is formed along with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4106152A JP2776686B2 (en) | 1992-03-31 | 1992-03-31 | Clutch drum used for automatic transmission of vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4106152A JP2776686B2 (en) | 1992-03-31 | 1992-03-31 | Clutch drum used for automatic transmission of vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05280553A JPH05280553A (en) | 1993-10-26 |
| JP2776686B2 true JP2776686B2 (en) | 1998-07-16 |
Family
ID=14426358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4106152A Expired - Lifetime JP2776686B2 (en) | 1992-03-31 | 1992-03-31 | Clutch drum used for automatic transmission of vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2776686B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005342758A (en) * | 2004-06-02 | 2005-12-15 | Mazda Motor Corp | Method for manufacturing cylindrical component and clutch drum |
| DE102007018955B4 (en) * | 2007-04-21 | 2021-07-15 | Borg Warner Inc. | Coupling part with a radially offset section, coupling device with such a coupling part and method for producing the coupling part |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018159A (en) * | 1983-07-13 | 1985-01-30 | テルモ株式会社 | Ultrasonic tomographic apparatus |
| JP2869871B2 (en) * | 1990-03-30 | 1999-03-10 | 株式会社エフ・シー・シー | Cylindrical housing for multi-plate clutch and molding method thereof |
-
1992
- 1992-03-31 JP JP4106152A patent/JP2776686B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05280553A (en) | 1993-10-26 |
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