JPH0658256U - Torsional vibration damping device - Google Patents
Torsional vibration damping deviceInfo
- Publication number
- JPH0658256U JPH0658256U JP001692U JP169293U JPH0658256U JP H0658256 U JPH0658256 U JP H0658256U JP 001692 U JP001692 U JP 001692U JP 169293 U JP169293 U JP 169293U JP H0658256 U JPH0658256 U JP H0658256U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- inner peripheral
- peripheral surface
- arm
- guide protrusion
- 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
- F16H—GEARING
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
- F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
- F16H2045/0226—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers
- F16H2045/0231—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers arranged in series
Abstract
(57)【要約】
【目的】 ハブとドライブプレートの相対回動によって
圧縮ばねの端部がガイド突起の内周面から外れても、ハ
ブとドライブプレートの逆方向の相対回動によって圧縮
ばねの端部を確実にガイド突起の内周面上に復帰できる
ようにする。
【構成】 ハブ１に突設されたアーム２の外端と遊動子
６の環状部７の内周端に段部１０，１２を夫々形成し、
段部１０，１２同士を摺動可能に嵌め合わせてアーム２
と環状部７を径方向に所定量オーバーラップさせる。こ
れにより、アーム２に突設されたガイド突起９の内周面
と環状部７の内周面を略面一にする。ハブ１とドライブ
プレート３，３の所定範囲以上の相対回動によって圧縮
ばね５の端部がガイド突起９の内周面から外れた場合、
この圧縮ばね５の端部は、その後のハブ１とドライブプ
レート３，３の逆方向の相対回動によって速やかにガイ
ド突起９の内周面に復帰する。
(57) [Abstract] [Purpose] Even if the end of the compression spring comes off the inner peripheral surface of the guide protrusion due to the relative rotation of the hub and the drive plate, the compression spring is rotated by the opposite relative rotation of the hub and the drive plate. Make sure that the end can be reliably returned to the inner surface of the guide protrusion. [Structure] Steps 10 and 12 are formed at the outer end of an arm 2 projecting from the hub 1 and the inner peripheral end of an annular portion 7 of a slider 6, respectively,
The arm 2 is formed by slidably fitting the step portions 10 and 12 together.
And the annular portion 7 are overlapped in the radial direction by a predetermined amount. As a result, the inner peripheral surface of the guide protrusion 9 protruding from the arm 2 and the inner peripheral surface of the annular portion 7 are substantially flush with each other. When the end portion of the compression spring 5 is disengaged from the inner peripheral surface of the guide protrusion 9 by the relative rotation of the hub 1 and the drive plates 3 and 3 over a predetermined range,
The end of the compression spring 5 is quickly returned to the inner peripheral surface of the guide projection 9 by the subsequent relative rotation of the hub 1 and the drive plates 3 and 3 in the opposite direction.
Description
【０００１】[0001]
本考案は、自動車の手動変速機のクラッチやトルクコンバータのロックアップ クラッチ等に用いられる捩り振動減衰装置に関する。 The present invention relates to a torsional vibration damping device used for a clutch of a manual transmission of an automobile or a lockup clutch of a torque converter.
【０００２】[0002]
この種の捩り振動減衰装置として、従来、図３，図４に示すようなものが案出 されている。 As a torsional vibration damping device of this type, conventionally, a device as shown in FIGS. 3 and 4 has been devised.
【０００３】 この捩り振動減衰装置は、ハブ１の外周に略扇状のアーム２が複数個突設され ると共に、このハブ１の軸方向両側に配置された一対のドライブプレート３，３ に円周方向に沿うばね受容部４が形成され、隣接する前記アーム２，２間におい てドライブプレート３，３の各ばね受容部４に複数の圧縮ばね５が収容されてい る。ハブ１とドライブプレート３，３は、この複数の圧縮ばね５を介して回動方 向で弾性的に連結されており、動力伝達系の捩り振動をこの圧縮ばね５の弾性に よって減衰するようになっている。また、アーム２の外周側には遊動子６の環状 部７が相対回動可能に嵌合されており、この遊動子６には環状部７から径方向内 方に向かって延出する楔状の突部８が一体に形成され、この突部８が複数の圧縮 ばね５，５間に介装されて、ハブ１とドライブプレート３，３が相対回動した際 に複数の圧縮ばね５が直列に作用するようになっている。そして、さらに各アー ム２の外端には周方向に延出する円弧状のガイド突起９が設けられており、ハブ １及びドライブプレート３，３の回転時にその遠心力によって圧縮ばね５が径方 向外方に移動するのをこのガイド突起９によって規制するようになっている。In this torsional vibration damping device, a plurality of substantially fan-shaped arms 2 are provided on the outer circumference of a hub 1, and a pair of drive plates 3 and 3 arranged on both sides of the hub 1 in the axial direction are provided with a circular circumference. A spring receiving portion 4 is formed along the direction, and a plurality of compression springs 5 are accommodated in each spring receiving portion 4 of the drive plates 3 and 3 between the adjacent arms 2 and 2. The hub 1 and the drive plates 3, 3 are elastically connected in the rotational direction via the plurality of compression springs 5 so that the torsional vibration of the power transmission system is damped by the elasticity of the compression springs 5. It has become. Further, an annular portion 7 of the idler 6 is fitted on the outer peripheral side of the arm 2 so as to be relatively rotatable, and the idler 6 has a wedge-like shape extending radially inward from the annular portion 7. The protrusion 8 is integrally formed, and the protrusion 8 is interposed between the plurality of compression springs 5 and 5, and when the hub 1 and the drive plates 3 and 3 rotate relative to each other, the plurality of compression springs 5 are connected in series. Is designed to work. Further, an arc-shaped guide protrusion 9 extending in the circumferential direction is provided at the outer end of each arm 2, and when the hub 1 and the drive plates 3 and 3 rotate, the compression spring 5 is caused to rotate by the centrifugal force. The guide protrusion 9 restricts the outward movement in the direction.
【０００４】 尚、この技術は、例えば実開昭６１−１１２１２１号公報等に開示されている 。This technique is disclosed, for example, in Japanese Utility Model Laid-Open No. 61-112121.
【０００５】[0005]
【考案が解決しようとする課題】 しかし、上記従来の捩り振動減衰装置の場合、ガイド突起９の内周面と遊動子 ６の内周面の間に段差があるため、図５に示すような常態からハブ１とドライブ プレート３，３の相対回動量（回動角度）が所定の範囲以上に大きくなり、圧縮 ばね５の端部が図６に示すようにガイド突起９の内周面から外れると、ハブ１と ドライブプレート３，３の相対回動量が再び所定の範囲内に戻っても圧縮ばね５ の端部が図７に示すようにガイド突起９の端面に引っ掛かったままとなり、圧縮 ばね５による大きな負荷Ｆがアーム２の基部にかかるという不具合を生じる。However, in the case of the conventional torsional vibration damping device described above, since there is a step between the inner peripheral surface of the guide protrusion 9 and the inner peripheral surface of the idler 6, as shown in FIG. From the normal state, the relative rotation amount (rotation angle) of the hub 1 and the drive plates 3, 3 becomes larger than a predetermined range, and the end portion of the compression spring 5 comes off the inner peripheral surface of the guide protrusion 9 as shown in FIG. Then, even if the relative rotation amount of the hub 1 and the drive plates 3 and 3 returns to within the predetermined range again, the end portion of the compression spring 5 remains hooked on the end surface of the guide protrusion 9 as shown in FIG. There arises a problem that a large load F due to 5 is applied to the base of the arm 2.
【０００６】 そこで本考案は、ハブとドライブプレートの相対回動によって圧縮ばねの端部 がガイド突起の内周面から外れてもハブとドライブプレートの逆方向の相対回動 によって圧縮ばねの端部を確実にガイド突起の内周面上に復帰させることができ るようにして、アームの基部に圧縮ばねによる大きな負荷のかかることない捩り 振動減衰装置を提供しようとするものである。Therefore, according to the present invention, even if the end portion of the compression spring is disengaged from the inner peripheral surface of the guide protrusion due to the relative rotation of the hub and the drive plate, the end portion of the compression spring is caused by the relative rotation of the hub and the drive plate in the opposite directions. It is intended to provide a torsional vibration damping device in which the base can be reliably returned to the inner peripheral surface of the guide projection and a large load due to the compression spring is not applied to the base of the arm.
【０００７】[0007]
本考案は上述した課題を解決するための手段として、外周に複数のアームが突 設されたハブと、円周方向に沿うばね受容部を有し前記ハブの軸方向両側に配置 された一対のドライブプレートと、前記ハブの隣接するアーム間でドライブプレ ートのばね受容部内に配設されて、ハブとドライブプレートを回動方向で弾性的 に連結する複数の圧縮ばねと、この複数の圧縮ばね間を仕切る突部と前記アーム の外周側に相対回動可能に組み付けられる環状部とから成る遊動子とを備え、前 記アームの外端に、前記圧縮ばねの径方向外方への移動を規制する円弧状のガイ ド突起が延設されている捩り振動減衰装置において、前記アームの外端と遊動子 の環状部の内周端とを径方向にオーバーラップさせてガイド突起の内周面と環状 部の内周面を略面一にした。 As a means for solving the above-mentioned problems, the present invention provides a hub having a plurality of arms protruding from the outer circumference thereof and a pair of spring receiving portions arranged along the circumferential direction and arranged on both sides in the axial direction of the hub. A plurality of compression springs arranged in the spring receiving portion of the drive plate between the drive plate and the adjacent arms of the hub to elastically connect the hub and the drive plate in a rotational direction; The armature includes a protrusion that partitions the springs and an idler that is mounted on the outer peripheral side of the arm so as to be relatively rotatable, and the outer end of the arm moves the compression spring radially outward. In the torsional vibration damping device in which an arc-shaped guide protrusion is extended, the outer end of the arm and the inner peripheral end of the annular portion of the idler are radially overlapped, and the inner periphery of the guide protrusion is Surface and the inner peripheral surface of the annular part I was one.
【０００８】[0008]
ハブとドライブプレートが所定範囲以上に相対回動して圧縮ばねの端部がガイ ド突起の内周面から外れると、その端部は遊動子の環状部の内周面によって支持 されるようになるが、ガイド突起の内周面と環状部の内周面が略面一になってい るために、この後ハブとドライブプレートが逆方向に相対回動すると、圧縮ばね の端部は環状部の内周面からガイド突起の内周面上に復帰する。 When the hub and the drive plate rotate relative to each other over a predetermined range and the end of the compression spring comes off the inner peripheral surface of the guide protrusion, the end is supported by the inner peripheral surface of the annular portion of the idler. However, since the inner peripheral surface of the guide protrusion and the inner peripheral surface of the annular portion are substantially flush with each other, if the hub and drive plate rotate relative to each other in the opposite direction after this, the end of the compression spring will move to the annular portion. Return from the inner peripheral surface of to the inner peripheral surface of the guide protrusion.
【０００９】[0009]
次に、本考案の一実施例を図１，図２に基づいて説明する。尚、図３以下の図 面に示した従来のものと同一部分には同一符号を用いるものとする。 Next, an embodiment of the present invention will be described with reference to FIGS. The same reference numerals are used for the same parts as the conventional one shown in the drawings starting from FIG.
【００１０】 図面において、１は、内周部が動力伝達系の入力側と出力側のいずれか一方側 に結合されるハブであり、３，３は、他方側に結合される一対のドライブプレー トである。In the drawings, 1 is a hub whose inner peripheral portion is connected to either one of an input side and an output side of a power transmission system, and 3 and 3 are a pair of drive plates connected to the other side. It is
【００１１】 ハブ１は板材によって円盤状に形成されており、外周部には略扇状のアーム２ が周方向に等間隔をおいて複数個突設され、隣接する各アーム２，２間に複数（ この実施例の場合、二つ）の圧縮ばね５，５を直列に収容するようになっている 。各アーム２の外端には周方向に延出する円弧状のガイド突起９が一体に形成さ れていて、このガイド突起９の内周面によって圧縮ばね５の径方向外方への移動 を規制するようになっている。また、このガイド突起９を含む各アーム２の外端 面には軸方向断面が略Ｌ字状となる段部１０が形成されている。The hub 1 is made of a plate material and has a disk shape. A plurality of substantially fan-shaped arms 2 are provided on the outer peripheral portion at equal intervals in the circumferential direction, and a plurality of arms 2 are provided between adjacent arms 2 and 2. (In this embodiment, two compression springs 5 and 5 are accommodated in series.) A circular arc-shaped guide protrusion 9 extending in the circumferential direction is integrally formed on the outer end of each arm 2, and the inner peripheral surface of the guide protrusion 9 allows the compression spring 5 to move radially outward. It is regulated. A step portion 10 having a substantially L-shaped cross section in the axial direction is formed on the outer end surface of each arm 2 including the guide protrusion 9.
【００１２】 一方、ドライブプレート３，３はドーナツ円盤状に形成されていて、両者３， ３の外周縁部同士がリベット１１によって一体に結合されている。このドライブ プレート３，３は、その内周縁がアーム２を挟み込むようにハブ１の軸方向両側 に配置され、このハブ１に対して相対回動可能に組み付けられている。そして、 各ドライブプレート３には、ハブ１の隣接するアーム２，２間と同一長さの長孔 状のばね受容部４が円周方向に沿って複数形成されており、隣接するアーム２， ２間とこのばね受容部４には前記複数の圧縮ばね５，５が直列に収容されている 。ハブ１とドライブプレート３，３はこの複数の圧縮ばね５，５によって回動方 向で弾性的に連結されている。On the other hand, the drive plates 3 and 3 are formed in a donut disk shape, and the outer peripheral edge portions of the both 3 and 3 are integrally connected by a rivet 11. The drive plates 3 and 3 are arranged on both sides in the axial direction of the hub 1 so that the inner peripheral edges of the drive plates 3 and 3 sandwich the arm 2 and are assembled so as to be rotatable relative to the hub 1. Each drive plate 3 is provided with a plurality of elongated hole-shaped spring receiving portions 4 having the same length as that between the adjacent arms 2 and 2 of the hub 1 along the circumferential direction. The plurality of compression springs 5 and 5 are accommodated in series between the two and the spring receiving portion 4. The hub 1 and the drive plates 3 and 3 are elastically connected in the rotational direction by the plurality of compression springs 5 and 5.
【００１３】 また、６は、隣接するアーム２，２間の圧縮ばね５，５を直列に作用させるた めの遊動子であり、この遊動子６は、ドライブプレート３，３間においてアーム ２の外周側に嵌合される環状部７と、この環状部７から径方向内方に向かって延 出して各圧縮ばね５，５間に介装される楔状の突部８とから構成されている。そ して、環状部７の内周端には軸方向断面が略Ｌ字状となる段部１２が形成されて おり、この段部１２がアーム２の段部１０と摺動可能に嵌め合わされ、アーム２ の外端とこの環状部７の内周端とが段部１０，１２部分において径方向に所定量 オーバーラップしている。アーム２のガイド突起９の内周面はこれによって環状 部７の内周面と略面一になっている。尚、１３は、ドライブプレート３とハブ１ のがたつきを防止するための弾性体である。Further, 6 is a loosening element for causing the compression springs 5 and 5 between the adjacent arms 2 and 2 to act in series, and this loosening element 6 is provided between the drive plates 3 and 3 of the arm 2. It is composed of an annular portion 7 fitted to the outer peripheral side, and a wedge-shaped projection 8 extending radially inward from the annular portion 7 and interposed between the compression springs 5 and 5. . Then, a step portion 12 having an approximately L-shaped axial cross section is formed at the inner peripheral end of the annular portion 7, and the step portion 12 is slidably fitted to the step portion 10 of the arm 2. The outer end of the arm 2 and the inner peripheral end of the annular portion 7 overlap in the step portions 10 and 12 in the radial direction by a predetermined amount. The inner peripheral surface of the guide projection 9 of the arm 2 is thereby substantially flush with the inner peripheral surface of the annular portion 7. Incidentally, 13 is an elastic body for preventing the rattling of the drive plate 3 and the hub 1.
【００１４】 この捩り振動減衰装置は以上のような構成であるため、動力伝達系の捩り振動 は圧縮ばね５の弾性によって減衰し、ハブ１とドライブプレート３，３の回転に 伴う圧縮ばね５の径方向外方への移動は、アーム２のガイド突起９の内周面と遊 動子６の環状部７の内周面とによって規制する。Since this torsional vibration damping device is configured as described above, the torsional vibration of the power transmission system is damped by the elasticity of the compression spring 5, and the compression spring 5 of the compression spring 5 that accompanies the rotation of the hub 1 and the drive plates 3 and 3 is damped. The radial outward movement is restricted by the inner peripheral surface of the guide protrusion 9 of the arm 2 and the inner peripheral surface of the annular portion 7 of the slider 6.
【００１５】 ここで、捩り振動の入力時にハブ１とドライブプレート３，３の相対回動量（ 回動角度）が所定の範囲以上に大きくなると、圧縮ばね５の端部がガイド突起９ の内周面から外れ、遊動子６の環状部７の内周面のみに支持されるようになる。 しかし、この捩り振動減衰装置にあっては、アーム２のガイド突起９の内周面と 遊動子６の環状部７の内周面が略面一になっているため、この後ハブ１とドライ ブプレート３，３が逆方向に相対回動すると、圧縮ばね５の端部が速やかにガイ ド突起９の内周面上に復帰する。このため、圧縮ばね５の端部がガイド突起６の 端部に引っ掛かり、アーム２の基部に圧縮ばね５による大きな負荷がかかる不具 合は生じない。Here, when the relative rotation amount (rotation angle) of the hub 1 and the drive plates 3 and 3 becomes larger than a predetermined range when the torsional vibration is input, the end portion of the compression spring 5 causes the inner periphery of the guide protrusion 9 to move. It comes off from the surface and is supported only on the inner peripheral surface of the annular portion 7 of the slider 6. However, in this torsional vibration damping device, the inner peripheral surface of the guide projection 9 of the arm 2 and the inner peripheral surface of the annular portion 7 of the idler 6 are substantially flush with each other, and therefore the hub 1 and the dry portion are When the plates 3, 3 relatively rotate in opposite directions, the end of the compression spring 5 quickly returns to the inner peripheral surface of the guide projection 9. For this reason, the end of the compression spring 5 is not caught by the end of the guide protrusion 6 and the base of the arm 2 is not heavily loaded by the compression spring 5.
【００１６】[0016]
以上のように本考案は、ハブに突設されたアームの外端と遊動子の環状部の内 周端とを径方向にオーバーラップさせてガイド突起の内周面と環状部の内周面を 略面一にしたため、ハブとドライブプレートの相対回動によって圧縮ばねの端部 がガイド突起の内周面から外れても、ハブとドライブプレートの逆方向の相対回 動によって圧縮ばねの端部が環状部の内周面からガイド突起の内周面上に円滑、 かつ、確実に復帰し、圧縮ばねの端部がガイド突起の端面に引っ掛かってアーム の基部に圧縮ばねによる大きな負荷がかかることがない。 As described above, according to the present invention, the inner peripheral surface of the guide protrusion and the inner peripheral surface of the annular portion are formed by radially overlapping the outer end of the arm protruding from the hub and the inner peripheral edge of the annular portion of the idler. Since the hub is approximately flush with the drive plate, even if the end of the compression spring is disengaged from the inner peripheral surface of the guide protrusion due to the relative rotation of the hub and the drive plate, the end of the compression spring is rotated by the relative rotation in the opposite direction of the hub and the drive plate. Smoothly and reliably returns from the inner peripheral surface of the annular portion to the inner peripheral surface of the guide protrusion, the end of the compression spring is caught on the end face of the guide protrusion, and a large load is applied to the base of the arm by the compression spring. There is no.
【図１】本考案の一実施例を示す正面図。FIG. 1 is a front view showing an embodiment of the present invention.
【図２】図１のＡ−Ａ線に沿う断面図。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】従来の技術を示す正面図。FIG. 3 is a front view showing a conventional technique.
【図４】図３のＢ−Ｂ線に沿う断面図。FIG. 4 is a sectional view taken along the line BB of FIG.
【図５】従来の技術を示す部分正面図。FIG. 5 is a partial front view showing a conventional technique.
【図６】同技術を示す部分正面図。FIG. 6 is a partial front view showing the same technique.
【図７】同技術を示す部分正面図。FIG. 7 is a partial front view showing the same technique.
１…ハブ、 ２…アーム、 ３…ドライブプレート、 ４…ばね受容部、 ５…圧縮ばね、 ６…遊動子、 ７…環状部、 ８…突部、 ９…ガイド突起。 DESCRIPTION OF SYMBOLS 1 ... Hub, 2 ... Arm, 3 ... Drive plate, 4 ... Spring receiving part, 5 ... Compression spring, 6 ... Floating element, 7 ... Annular part, 8 ... Projection part, 9 ... Guide projection.
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【手続補正書】[Procedure amendment]
【提出日】平成５年２月１７日[Submission date] February 17, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図３[Name of item to be corrected] Figure 3
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図３】 [Figure 3]
Claims (1)
と、円周方向に沿うばね受容部を有し前記ハブの軸方向
両側に配置された一対のドライブプレートと、前記ハブ
の隣接するアーム間でドライブプレートのばね受容部内
に配設されて、ハブとドライブプレートを回動方向で弾
性的に連結する複数の圧縮ばねと、この複数の圧縮ばね
間を仕切る突部と前記アームの外周側に相対回動可能に
組み付けられる環状部とから成る遊動子とを備え、前記
アームの外端に、前記圧縮ばねの径方向外方への移動を
規制する円弧状のガイド突起が延設されている捩り振動
減衰装置において、前記アームの外端と遊動子の環状部
の内周端とを径方向にオーバーラップさせてガイド突起
の内周面と環状部の内周面を略面一にしたことを特徴と
する捩り振動減衰装置。1. A hub having a plurality of arms projecting from its outer circumference, a pair of drive plates having spring receiving portions along the circumferential direction and arranged on both axial sides of the hub, and the hub being adjacent to each other. A plurality of compression springs disposed between the arms in the spring receiving portion of the drive plate to elastically connect the hub and the drive plate in the rotational direction, a projection partitioning the plurality of compression springs, and the outer circumference of the arm. And an idler composed of an annular portion that is relatively rotatably mounted on the side, and an arc-shaped guide protrusion that extends outwardly in the radial direction of the compression spring is provided at the outer end of the arm. In the torsional vibration damping device, the outer end of the arm and the inner peripheral end of the annular portion of the idler are radially overlapped so that the inner peripheral surface of the guide protrusion and the inner peripheral surface of the annular portion are substantially flush with each other. Torsional vibration damping device characterized by .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP001692U JPH0658256U (en) | 1993-01-27 | 1993-01-27 | Torsional vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP001692U JPH0658256U (en) | 1993-01-27 | 1993-01-27 | Torsional vibration damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0658256U true JPH0658256U (en) | 1994-08-12 |
Family
ID=11508584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP001692U Expired - Lifetime JPH0658256U (en) | 1993-01-27 | 1993-01-27 | Torsional vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0658256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001311460A (en) * | 2000-04-27 | 2001-11-09 | Yutaka Giken Co Ltd | Lock up clutch for hydraulic power transmission |
| JP2012251589A (en) * | 2011-06-02 | 2012-12-20 | Valeo Unisia Transmission Kk | Torsional vibration reduction apparatus |
-
1993
- 1993-01-27 JP JP001692U patent/JPH0658256U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001311460A (en) * | 2000-04-27 | 2001-11-09 | Yutaka Giken Co Ltd | Lock up clutch for hydraulic power transmission |
| JP2012251589A (en) * | 2011-06-02 | 2012-12-20 | Valeo Unisia Transmission Kk | Torsional vibration reduction apparatus |
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