JPH01193414A - Spring assembly of automatic gear for vehicle and its manufacture - Google Patents
Spring assembly of automatic gear for vehicle and its manufactureInfo
- Publication number
- JPH01193414A JPH01193414A JP1898488A JP1898488A JPH01193414A JP H01193414 A JPH01193414 A JP H01193414A JP 1898488 A JP1898488 A JP 1898488A JP 1898488 A JP1898488 A JP 1898488A JP H01193414 A JPH01193414 A JP H01193414A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- coil
- base plate
- coil spring
- mounting groove
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 239000011295 pitch Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は車輌用自動変速機に組み込まれるスプリング組
立体と、この組立体の製造に好適に実施できる製造方法
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a spring assembly incorporated in an automatic transmission for a vehicle, and a manufacturing method that can be suitably implemented for manufacturing this assembly.
［従来の技術］
車輌用の自動変速機のクラッチには、第７図に示すよう
にコツプ状のダイカスト製のベル部材３０と環状プレー
ト３１とこれら両者３０．３１の間に互いに平行で且つ
所定の等ピッチで配置された複数個のコイルばね３２を
有する機構が使用されている。また、上記ベル部材３０
の内側には平坦面３３があり、この位置にコイルばね３
２をそれぞれ案内するための突出した複数個のボス３４
が設けられている。そして、この機構を組み立てるには
、ベル部材３ｏを作業台上においてその内側平坦面３３
を水平にし、ボス３４を垂直に位置させて、コイルばね
３２をボス３４に順次作業員が嵌め込んでゆくのである
。しかしながら、この組み立て方法では、隣接する１個
乃至数個のコイルばね３２が絡み合ったり、いくつかの
コイルばね３２を組み立て作業中に装架し忘れたり、さ
らにまた最終的に組み立てられる前にいくつかが外れた
りする等の種々の不都合を生じていた。[Prior Art] As shown in FIG. 7, a clutch for an automatic transmission for a vehicle includes a bell member 30 made of a die-cast ring and an annular plate 31, and a predetermined gap between them parallel to each other and a predetermined distance. A mechanism having a plurality of coil springs 32 arranged at equal pitches is used. Further, the bell member 30
There is a flat surface 33 inside the coil spring 3 at this position.
A plurality of protruding bosses 34 for respectively guiding the
is provided. To assemble this mechanism, the bell member 3o is placed on the workbench and its inner flat surface 3o
The worker positions the coil spring 32 horizontally, positions the boss 34 vertically, and then fits the coil spring 32 into the boss 34 one after another. However, with this assembly method, one or several adjacent coil springs 32 may become entangled, some coil springs 32 may be forgotten to be mounted during the assembly process, and some coil springs 32 may not be properly mounted before being finally assembled. This has caused various inconveniences such as the parts coming off.
そこで、上記複数のづイルばね３２をバラバラの状態で
はなく定位置に固着したスプリング組立体として供給す
ることによって上記した組立作業上の不都合を解消しよ
うとする試みがなされた（特公昭５６−４７４１９）、
このときのスプリング組立体３５は第８図および第９図
に示すようにばね受座となる環状基板３６の片面に複数
の突出部３７を打抜き加工等で形成し、該突出部３７に
コイルばね３２の一端を嵌め込み、その後、突出部３７
を拡開することによってコイルばね３２を環状基板３６
に固着して製造される。あるいは、コイルばね３２の環
状基板３６への固着はロウ付は手段によって行われるこ
ともある。そして、このスプリング組立体３５によれば
コイルはね３２は各突出部３７に固着されてその位置及
び真直性が正しく得られるようになっている。Therefore, an attempt was made to solve the above-mentioned inconveniences in assembly work by supplying the plurality of coil springs 32 as a spring assembly fixed in place instead of in a separate state (Japanese Patent Publication No. 56-47419 ),
As shown in FIGS. 8 and 9, the spring assembly 35 at this time includes a plurality of protrusions 37 formed by punching or the like on one side of an annular base plate 36 that serves as a spring seat, and a coil spring attached to the protrusions 37. 32, and then the protrusion 37
The coil spring 32 is attached to the annular base plate 36 by expanding the coil spring 32.
Manufactured by adhering to. Alternatively, the coil spring 32 may be fixed to the annular substrate 36 by brazing. According to this spring assembly 35, the coil spring 32 is fixed to each protrusion 37 so that its position and straightness can be properly obtained.
［発明が解決しようとする問題点］
しかしながら、従来のスプリング組立体３５は上述した
ように突出部３７を拡開することによってコイルばね３
２を固着するか、あるいは単にロウ付するものであるか
ら、突出部３７の拡開あるいはロウ付作業がコイルばね
３２の数だけ必要となり、組み立てに手間を要するとい
う問題点を有している。[Problems to be Solved by the Invention] However, in the conventional spring assembly 35, the coil spring 3 is expanded by expanding the protrusion 37 as described above.
Since the coil springs 2 are fixed or simply brazed, it is necessary to expand or braze the protrusions 37 for the number of coil springs 32, which poses a problem in that assembly is time-consuming.
本発明は上記した事情を鑑みてなされたものであり、そ
の目的は組み立てが容易な車輌用自動変速機のスプリン
グ組立体およびその製造方法を提供することにある。The present invention has been made in view of the above circumstances, and its object is to provide a spring assembly for a vehicle automatic transmission that is easy to assemble, and a method for manufacturing the same.
［問題点を解決するための手段］
本発明の車輌用自動変速機のスプリング組立体は、環状
基板の片面側にコイルばねが所定ピッチ間隔で取り付け
られる車輌用自動変速機のスプリング組立体において、
前記環状基板の片面側が屈曲されて取付溝が形成され、
前記コイルばねの一端部に前記ピッチ間隔と略同一寸法
の外径を有する圧巻部が形成され、この圧巻部が前記取
付溝に挿入されていることを特徴とすることにより上記
目的を達成するものである。又、その製造方法は、環状
基板の片面側が屈曲されて形成された取付溝の一部を解
放して挿入口を形成し、所定のピッチ間隔と略同一寸法
の外径の圧巻部を前記挿入口から取付溝内に挿入してコ
イルばねを環状基板に取り付けた後、この環状基板の挿
入口部分を折り曲げて挿入口を閉鎖することを特徴とす
る。[Means for Solving the Problems] A spring assembly for an automatic transmission for a vehicle according to the present invention is a spring assembly for an automatic transmission for a vehicle in which coil springs are attached at predetermined pitch intervals on one side of an annular base plate.
one side of the annular substrate is bent to form a mounting groove;
The above object is achieved by forming a masterpiece part having an outer diameter approximately the same as the pitch interval at one end of the coil spring, and inserting the masterpiece part into the mounting groove. It is. In addition, the manufacturing method includes: opening a part of the mounting groove formed by bending one side of the annular substrate to form an insertion opening; The coil spring is inserted into the mounting groove through the opening to attach the coil spring to the annular substrate, and then the insertion opening portion of the annular substrate is bent to close the insertion opening.
［作 用コ
上記の通りに構成された本発明は、環状基板の取付溝内
にコイルばねの圧巻部を挿入することにより、コイルば
ねが環状基板に所定ピッチで取り付けられるようになっ
ている。[Operation] In the present invention configured as described above, the coil springs are attached to the annular substrate at a predetermined pitch by inserting the overwhelming portion of the coil spring into the attachment groove of the annular substrate.
［実施例］
以下、本発明の実施例を添付図面により具体的に説明す
る。[Example] Hereinafter, an example of the present invention will be specifically described with reference to the accompanying drawings.
なお、各実施例において同一要素は同一の符号を付して
対応させ、重複する説明を省略する。Note that in each embodiment, the same elements are given the same reference numerals and correspond to each other, and redundant explanation will be omitted.
第１図および第２図は、本発明の第１実施例を示す正面
図および側面図である。スプリング組立体は環状基板１
と、環状基板１に等ピッチで取り付けられる複数のコイ
ルばね２とからなっている。環状基板１はリング状の底
板部３と、底板部３の内輪端及び外輪端から前方に屈曲
され、且つ縁辺が相互に対向するように略コ字形に形成
された内側々板部４および外側々板部５とから構成され
ている。そして、これら底部３及び内外側々板部４．５
とによって囲まれた空間が取付溝６となっている。すな
わち、取付溝６は前面部分が開放された口形状となって
おり、この取付溝６にコイルはね２が取り付けられる。1 and 2 are a front view and a side view showing a first embodiment of the present invention. The spring assembly is annular base plate 1
and a plurality of coil springs 2 attached to an annular substrate 1 at equal pitches. The annular base plate 1 includes a ring-shaped bottom plate part 3, an inner side plate part 4 and an outer side plate part 4 which are bent forward from the inner ring end and the outer ring end of the bottom plate part 3 and are formed in a substantially U-shape so that the edges thereof face each other. It is composed of two plate parts 5. These bottom portion 3 and inner and outer plate portions 4.5
The space surrounded by and serves as the mounting groove 6. That is, the mounting groove 6 has a mouth shape with an open front portion, and the coil spring 2 is attached to this mounting groove 6.
コイルばね２は小径の作用部７と、大径の圧巻部８とか
らなっており、圧巻部８が環状基板１の取付溝６内に差
し込まれることにより、作用部７が前方に突出した形態
で取り付けられる。車輌用自動変速機においては、コイ
ルばね２を等ピッチ間隔で取り付けろ必要がある。前記
圧巻部８はこのピッチ間隔と同一寸法となるように巻回
されるものである。このような圧巻部を有するコイルば
ね２を取付溝６に挿入し、その圧巻部８が隣接するコイ
ルばね２の圧巻部８と密接するようにコイルばねを環状
基板１に取り付けると、コイルばね２は所定の等ピッチ
間隔で配置される。従って、車輌用自動変速機のスプリ
ング組立体として好適に使用することができる。このよ
うな構造では、コイルばね２固定用の突出部（第８図参
照）などを複数環状基板１に形成する必要がないので、
構造を簡単にすることができる。The coil spring 2 consists of a small-diameter acting part 7 and a large-diameter masterpiece part 8, and when the masterpiece part 8 is inserted into the mounting groove 6 of the annular base plate 1, the acting part 7 protrudes forward. Can be installed with. In a vehicle automatic transmission, it is necessary to install the coil springs 2 at equal pitch intervals. The masterpiece part 8 is wound so as to have the same dimension as this pitch interval. When the coil spring 2 having such a masterpiece is inserted into the mounting groove 6 and attached to the annular substrate 1 so that the masterpiece 8 of the coil spring 2 is in close contact with the masterpiece 8 of the adjacent coil spring 2, the coil spring 2 are arranged at predetermined equal pitch intervals. Therefore, it can be suitably used as a spring assembly for a vehicle automatic transmission. With such a structure, there is no need to form protrusions for fixing the coil springs 2 (see FIG. 8) on the plurality of annular substrates 1.
The structure can be simplified.
次に本実施例の製造方法を説明する。まず、リング状の
底板部３の内輪端および外輪端を屈曲して内側々板部４
および外側々板部５を有する環状基板１を形成する。こ
の場合、内側々板部４および外側々板部５のいずれか一
方の一部分を屈曲させることなく残す。これにより取付
溝６の一部が開放された挿入口が形成される。第１図、
４ａおよび５ａはこの挿入口部分−を示すものである。Next, the manufacturing method of this example will be explained. First, the inner ring end and the outer ring end of the ring-shaped bottom plate part 3 are bent, and the inner ring part 4 is bent.
Then, an annular substrate 1 having outer plate portions 5 is formed. In this case, a portion of either the inner side plate portion 4 or the outer side plate portion 5 is left unbent. As a result, an insertion opening in which a part of the mounting groove 6 is opened is formed. Figure 1,
4a and 5a indicate the insertion opening portions.
−方、所定の取付ピッチ間隔と同一寸法の圧巻部８を前
記挿入口４ａ又は５ａから取付溝６内に挿入してコイル
ばね２を次々と環状基板１に取り付ける。コイルばねの
取り付けに際しては、各コイルばね２の圧巻部が相互に
密接するように行う。これによりコイルばね２は所定の
取付ピッチと同一のピッチ間隔で環状基板ｌに配置され
る。その後、挿入口４ａ又は５ａを屈曲して、挿入口を
閉鎖する。これにより、コイルばね２は環状基板１に抜
は止めされて取り付けられる。- On the other hand, the coil springs 2 are successively attached to the annular substrate 1 by inserting the masterpiece portion 8 having the same size as the predetermined attachment pitch interval into the attachment groove 6 through the insertion opening 4a or 5a. When attaching the coil springs, the best part of each coil spring 2 is installed so that they are in close contact with each other. As a result, the coil springs 2 are arranged on the annular substrate 1 at the same pitch interval as the predetermined mounting pitch. Thereafter, the insertion port 4a or 5a is bent to close the insertion port. As a result, the coil spring 2 is attached to the annular substrate 1 while being prevented from being removed.
このような製造方法では、コイルばね２の圧巻部８を挿
入口から取付溝６に挿入し、その後、挿入口を閉鎖する
だけでスプリング組立体を得ることができる。従って、
コイルばね２を−っずっ環状基板１に固着する必要がな
いので、組み立てが極めて簡略化される。また、コイル
ばね２の圧巻部８はその外径を内外側々板部４．５の対
向間隔と同等かあるいは幾分太き目に形成することによ
って取付溝６への装着後のガタ付きをなくすことができ
る。In such a manufacturing method, the spring assembly can be obtained by simply inserting the helical portion 8 of the coil spring 2 into the mounting groove 6 through the insertion port, and then closing the insertion port. Therefore,
Since it is not necessary to permanently fix the coil spring 2 to the annular substrate 1, assembly is extremely simplified. In addition, the outer diameter of the coiled spring 2 is made to be equal to or somewhat thicker than the opposing spacing between the inner and outer plates 4.5 to prevent looseness after being installed in the mounting groove 6. It can be eliminated.
第３図は本発明の第２実施例の正面図を示す。FIG. 3 shows a front view of a second embodiment of the invention.
図示の通り、環状基板１の内輪端および外輪端から屈曲
形成される内側々板部４および外側々板部５が所定間隔
で間欠的に形成されている。この間隔はコイルばね２が
環状基板１から脱落することのないように、内側々板部
４および外側々板部５がコイルばねの圧巻部８に係合す
るように設定されるものである。かかる実施例では、複
数の内側々板部４または外側々板部５の内の一辺の側板
部を開放してばね挿入用の挿入口とし、全てのコイルば
ねの装着の後、この挿入口部分を屈曲することによりス
プリング組立体の製造を行うことができる。As shown in the figure, inner and outer plate portions 4 and 5 are formed intermittently at predetermined intervals and are bent from the inner and outer ring ends of the annular substrate 1. This interval is set so that the inner and outer plate portions 4 and 5 engage with the largest part 8 of the coil spring so that the coil spring 2 does not fall off from the annular base plate 1. In this embodiment, one side plate part of the plurality of inner side plate parts 4 or outer side plate parts 5 is opened to serve as an insertion opening for inserting the spring, and after installing all the coil springs, this insertion opening part is opened. The spring assembly can be manufactured by bending the spring assembly.
第４図は本発明の第３実施例を示す。この実施例は所定
数（図示例では３個）のコイルばねによって−のばね群
を形成し、このばね群が環状基板１に所定間隔で取り付
けられたスプリング組立体を示すものである。各ばね群
におけるコイルばね２は隣接するコイルばね２と所定の
等ピッチ間隔と同一寸法となるように巻回されている。FIG. 4 shows a third embodiment of the invention. This embodiment shows a spring assembly in which a predetermined number (three in the illustrated example) of coil springs form a negative spring group, and these spring groups are attached to an annular base plate 1 at predetermined intervals. The coil springs 2 in each spring group are wound so as to have the same dimensions as the adjacent coil springs 2 at predetermined equal pitch intervals.
このような本実施例では、各ばね群の両端部分に位置す
る環状基板１の底板部３からストッパ片９が切り起こさ
れ、このストッパ片９が各ばね群の両端部分に当接する
ことで、ばね群の定位置での固定が行われる。この実施
例の製造では、各ばね群における一端側のストッパ辺９
を切り起こしておき、切り起こされていない他端側を挿
入口として、コイルばね２を挿入し、その後、挿入口部
分の底板部３の一部を切り起こすことにより、各ばね群
の固定を行うことができる。In this embodiment, the stopper pieces 9 are cut and raised from the bottom plate part 3 of the annular base plate 1 located at both ends of each spring group, and the stopper pieces 9 abut against both ends of each spring group. The spring group is fixed in position. In manufacturing this embodiment, the stopper side 9 on one end side of each spring group is
The coil springs 2 are inserted using the other end that is not cut and raised as an insertion port, and then each spring group is fixed by cutting and raising a part of the bottom plate portion 3 at the insertion port. It can be carried out.
第５図および第６図は本発明の第４実施例を示す。この
実施例は外側ばね１０と内側ばね１１との２重構造のコ
イルばね２を使用するものであり、第５図はこのダブル
コイルばね２を大きなピッチ間隔で環状基板１に取り付
け、第６図は小さなピッチ間隔で取り付ける場合を示す
。かかるダブルコイルばね２は特に荷重アップあるいは
非線形特性を得る場合などに適用される。このようなス
プリング組立体では、ダブルコイルばね２の内、外側ば
ね１０の圧巻部１２をばねのピッチ間隔と同一寸法とな
るように巻回して形成し、この外側ばね１０内に内側ば
ね１１を挿入してダブルコイルばね２を形成する。そし
て、外側ばね１゜の圧巻部１２を環状基板１の取付溝６
に挿入し、その後、前記各実施例と同様に行うことで組
み立てを行うことができる。この場合、内側ばね１１は
その圧巻部１３が外側ばね１０によって固定されるため
、内側ばね１１専用の固定手段は必要ない。5 and 6 show a fourth embodiment of the invention. This embodiment uses a coil spring 2 with a double structure consisting of an outer spring 10 and an inner spring 11. FIG. indicates installation at small pitch intervals. Such a double coil spring 2 is particularly applied when increasing the load or obtaining nonlinear characteristics. In such a spring assembly, the best part 12 of the outer spring 10 of the double coil spring 2 is wound to have the same dimension as the pitch interval of the spring, and the inner spring 11 is placed inside this outer spring 10. The double coil spring 2 is formed by inserting the double coil spring 2. Then, attach the outer spring 1° overwhelming part 12 to the mounting groove 6 of the annular base plate 1.
After that, assembly can be carried out in the same manner as in each of the above embodiments. In this case, since the overwhelming portion 13 of the inner spring 11 is fixed by the outer spring 10, a fixing means dedicated to the inner spring 11 is not required.
［発明の効果］
以上の通り本発明のスプリング組立体は、取付ピッチ間
隔と同一寸法の圧巻部を環状基板の取付溝に挿入してコ
イルはわが取り付けられる構造であるので、構造が簡単
となる。また、本発明の製造方法は、コイルばねの圧巻
部を挿入口から取付溝に挿入した後、挿入口部分を閉鎖
するだけでスプリング組立体を得ることができるため、
その製造が極めて容易となる。[Effects of the Invention] As described above, the spring assembly of the present invention has a structure in which the coil is attached by inserting the masterpiece portion having the same size as the mounting pitch interval into the mounting groove of the annular substrate, so that the structure is simple. . Furthermore, in the manufacturing method of the present invention, the spring assembly can be obtained by simply closing the insertion opening portion after inserting the heaviest part of the coil spring into the mounting groove through the insertion opening.
Its manufacture becomes extremely easy.
第１図および第２図は本発明の第１実施例の正面図およ
び側面図、第３図は第２実施例の正面図、第４図は第３
実施例の正面図、第５図および第６図は第４実施例の断
面図、第７図は従来の車輌用自動変速機のクラッチ部分
の組立図、第８図は同上のスプリング組立体の斜視図、
第９図は第８図のｘ−Ｘ線断面図である。
１・・・環状基板、２・・・コイルばね、３・・・底板
部、４．５・・・側板部、６・・・取付溝、７・・・作
用部、８・・・圧巻部。
特許出願人 日本発条株式会社
代理人 弁理士 佐 藤 英 昭
３乙1 and 2 are a front view and a side view of a first embodiment of the present invention, FIG. 3 is a front view of a second embodiment, and FIG. 4 is a front view of a third embodiment of the present invention.
5 and 6 are cross-sectional views of the fourth embodiment, FIG. 7 is an assembly diagram of the clutch portion of a conventional automatic transmission for vehicles, and FIG. 8 is an assembly diagram of the same spring assembly. Perspective view,
FIG. 9 is a sectional view taken along the line XX in FIG. 8. DESCRIPTION OF SYMBOLS 1... Annular board, 2... Coil spring, 3... Bottom plate part, 4.5... Side plate part, 6... Mounting groove, 7... Action part, 8... Masterpiece part . Patent Applicant NHK Spring Co., Ltd. Agent Patent Attorney Hide Sato
Claims (1)
取り付けられる車輌用自動変速機のスプリング組立体に
おいて、 前記環状基板の片面側が屈曲されて取付溝が形成され、
前記コイルばねの一端部に前記ピッチ間隔と略同一寸法
の外径を有する座巻部が形成され、この座巻部が前記取
付溝に挿入されていることを特徴とする車輌用自動変速
機のスプリング組立体。 ２ 環状基板の片面側が屈曲されて形成された取付溝の
一部を解放して挿入口を形成し、所定のピッチ間隔と略
同一寸法の外径の座巻部を前記挿入口から取付溝内に挿
入してコイルばねを環状基板に取り付けた後、この環状
基板の挿入口部分を折り曲げて挿入口を閉鎖することを
特徴とする車輌用自動変速機のスプリング組立体の製造
方法。[Scope of Claims] 1. A spring assembly for a vehicle automatic transmission in which coil springs are attached at predetermined pitch intervals on one side of an annular base plate, wherein one side of the annular base plate is bent to form a mounting groove;
An automatic transmission for a vehicle, characterized in that an end turn portion having an outer diameter approximately the same as the pitch interval is formed at one end of the coil spring, and the end turn portion is inserted into the mounting groove. spring assembly. 2. Release a part of the mounting groove formed by bending one side of the annular board to form an insertion opening, and insert an end turn portion with an outer diameter of approximately the same size as a predetermined pitch interval from the insertion opening into the mounting groove. A method for manufacturing a spring assembly for an automatic transmission for a vehicle, which comprises: inserting the coil spring into the annular substrate to attach the coil spring to the annular substrate, and then bending the insertion opening of the annular substrate to close the insertion opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63018984A JP2678164B2 (en) | 1988-01-29 | 1988-01-29 | Spring assembly of automatic transmission for vehicle and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63018984A JP2678164B2 (en) | 1988-01-29 | 1988-01-29 | Spring assembly of automatic transmission for vehicle and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01193414A true JPH01193414A (en) | 1989-08-03 |
| JP2678164B2 JP2678164B2 (en) | 1997-11-17 |
Family
ID=11986857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63018984A Expired - Fee Related JP2678164B2 (en) | 1988-01-29 | 1988-01-29 | Spring assembly of automatic transmission for vehicle and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2678164B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994010476A1 (en) * | 1992-10-29 | 1994-05-11 | Kuhlman Electric Corporation | Spring assembly with interconnecting annular plates |
| US5558195A (en) * | 1994-07-28 | 1996-09-24 | Kuhlman Corporation | Substantially rectangular cross section transmission spring |
| JP2012233547A (en) * | 2011-05-09 | 2012-11-29 | Piolax Inc | Spring assembly and method of manufacturing the same |
| WO2013171986A1 (en) * | 2012-05-18 | 2013-11-21 | 株式会社パイオラックス | Spring device |
| CN108223606A (en) * | 2016-12-22 | 2018-06-29 | 舍弗勒技术股份两合公司 | Groups of springs and clutch apparatus |
| EP3527854A1 (en) * | 2018-02-20 | 2019-08-21 | Mazda Motor Corporation | Automatic transmission |
| JP2020197295A (en) * | 2019-06-05 | 2020-12-10 | 株式会社パイオラックス | Spring assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61206128U (en) * | 1985-06-14 | 1986-12-26 |
-
1988
- 1988-01-29 JP JP63018984A patent/JP2678164B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61206128U (en) * | 1985-06-14 | 1986-12-26 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994010476A1 (en) * | 1992-10-29 | 1994-05-11 | Kuhlman Electric Corporation | Spring assembly with interconnecting annular plates |
| US5558195A (en) * | 1994-07-28 | 1996-09-24 | Kuhlman Corporation | Substantially rectangular cross section transmission spring |
| JP2012233547A (en) * | 2011-05-09 | 2012-11-29 | Piolax Inc | Spring assembly and method of manufacturing the same |
| WO2013171986A1 (en) * | 2012-05-18 | 2013-11-21 | 株式会社パイオラックス | Spring device |
| CN108223606A (en) * | 2016-12-22 | 2018-06-29 | 舍弗勒技术股份两合公司 | Groups of springs and clutch apparatus |
| EP3527854A1 (en) * | 2018-02-20 | 2019-08-21 | Mazda Motor Corporation | Automatic transmission |
| CN110173521A (en) * | 2018-02-20 | 2019-08-27 | 马自达汽车株式会社 | Automatic transmission |
| CN110173521B (en) * | 2018-02-20 | 2020-09-22 | 马自达汽车株式会社 | Automatic transmission |
| JP2020197295A (en) * | 2019-06-05 | 2020-12-10 | 株式会社パイオラックス | Spring assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2678164B2 (en) | 1997-11-17 |
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