JPH0314770A - Power steering device - Google Patents

Power steering device

Info

Publication number
JPH0314770A
JPH0314770A JP1148767A JP14876789A JPH0314770A JP H0314770 A JPH0314770 A JP H0314770A JP 1148767 A JP1148767 A JP 1148767A JP 14876789 A JP14876789 A JP 14876789A JP H0314770 A JPH0314770 A JP H0314770A
Authority
JP
Japan
Prior art keywords
input shaft
worm shaft
shaft
ring
shaped member
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
Application number
JP1148767A
Other languages
Japanese (ja)
Other versions
JPH0747392B2 (en
Inventor
Sosuke Sunaga
惣助 須長
Kiyokazu Noguchi
野口　清和
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.)
Jidosha Kiki Co Ltd
Original Assignee
Jidosha Kiki 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 Jidosha Kiki Co Ltd filed Critical Jidosha Kiki Co Ltd
Priority to JP1148767A priority Critical patent/JPH0747392B2/en
Priority to KR1019900008409A priority patent/KR930007215B1/en
Publication of JPH0314770A publication Critical patent/JPH0314770A/en
Publication of JPH0747392B2 publication Critical patent/JPH0747392B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/04—Steering gears mechanical of worm type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B62D5/24—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

PURPOSE:To enhance easiness in assembling a power steering device by pressing a boss on the input shaft side and a boss on the worm shaft side by a reactive force spring, obtaining thereby a steering reactive force, therein fixing a ring- shaped member fitted on the input shaft to the end face of the worm shaft, and mounting the worm side boss o this ring-shaped member. CONSTITUTION:A ring-shaped member 44 fitted on an input shaft 26 is accommodated in the inner side space of a plug 38, which is screw-fitted in an opening in a valve housing accommodating a rotary control valve 34, and is fixed to the end face of a worm shaft 22 by two bolts 46. A pin 48 as a boss on the input shaft 26 is fitted by pressure on the input shaft 26 in its part situated within the ring-shaped member 44. A diametric hole 44b passing the sxis is formed in this ring-shaped member 44, and pins 50 as a boss on the worm shaft 22 side are fitted by pressure in two crosswise holes 44c penetrating this hole 44b in the direction intersecting orthogonally from both sides. Reactive plungers 52 are inserted in these crosswise holes 44c in the ring-shaped member 44 from both sides and put in pressure contact with the pins 48, 50 through the action of a reactive force spring 58.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は動力舵取装置に係り、特に操舵反力機構を備え
た動力舵取装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power steering device, and more particularly to a power steering device equipped with a steering reaction force mechanism.

〔従来の技術〕[Conventional technology]

一般に動力舵取装置は、舵取ハンドルによって回転され
る入力軸と、この入力軸と同一軸線上に配設されたウォ
ーム軸とをトーションバーによって連結するとともに、
両軸とそれぞれ一体的に回転するように設けられた一対
の弁部材によって口−タリバルブを構成し、両軸の相対
回転変位によってロータリパルプを切換えて、パワーシ
リンダへの圧力流体の給排を制御するようになっている
。このような動力舵取装置において、油圧等によって操
舵反力を与え、または、ブリセットフォースを与えるこ
とは従来から一般に行なわれている。従来の反力機構は
、コントロールバルブと一体的な構造になっている。す
なわち、弁スリーブの形成されたウォーム軸（出力軸）
と、弁ロータが連結された入力軸の双方にそれぞれ半径
方向の突起を設け、これらの突起を両軸の相対回転方向
両側から反力スプリングによって押圧することにより操
舵反力およびセットフォースを得るようにしている（実
開昭４８−６３４３０号）。In general, a power steering device connects an input shaft rotated by a steering handle and a worm shaft disposed on the same axis as the input shaft through a torsion bar.
A mouth-to-tally valve is formed by a pair of valve members installed to rotate integrally with both shafts, and the rotary pulp is switched by relative rotational displacement of both shafts to control the supply and discharge of pressure fluid to the power cylinder. It is supposed to be done. In such power steering devices, it has been common practice to apply a steering reaction force or a brisset force using hydraulic pressure or the like. Conventional reaction force mechanisms have an integral structure with a control valve. That is, the worm shaft (output shaft) with the valve sleeve formed
and the input shaft to which the valve rotor is connected are provided with radial protrusions, and these protrusions are pressed by reaction springs from both sides in the relative rotational direction of both shafts to obtain steering reaction force and set force. (Utility Model Publication No. 48-63430).

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上記従来装置のように反力機構がコントロールバルブと
一体的に設けられている場合には、コントロールバルプ
中立時の油圧バランス位置に対し、油圧反力またはセッ
トフォースのセンターを精度良く合わせることが困難で
あり、組立てに５大な労力が必要であった。When the reaction force mechanism is integrated with the control valve as in the conventional device described above, it is difficult to precisely align the center of the hydraulic reaction force or set force with the hydraulic balance position when the control valve is neutral. Therefore, a great deal of labor was required for assembly.

本発明は上記欠点を除くためになされたもので、中立位
置でのバランスが取り易く組立性の良い反力機構を備え
た動力舵取装置を提供するものである。The present invention has been made in order to eliminate the above-mentioned drawbacks, and provides a power steering device equipped with a reaction force mechanism that is easy to balance in a neutral position and has good assemblability.

〔課題を解快するための手段〕[Means for resolving issues]

本発明に係る動力舵取装置は、舵取ハンドルの操作によ
り回転される入力軸と、この入力軸と同一軸線上に配設
され、その一端に形成された筒部が入力軸の周囲に嵌合
するウオーム軸と、これら入力軸とウ才−ム軸とにそれ
ぞれ一体回転可能に設けられた弁部材によって構成され
るロータリパルプとを備え、入力軸と一休回転する突起
と、ウォーム軸と一体回転する突起とを、両軸の相対回
転方向両側から反力スプリングによって押圧することに
より操舵反力を付与するようにしたものであって、特に
、環状体を入力軸に嵌合してウォーム軸の筒部端面にボ
ルトで固定し、ウォーム軸側の突起をこの環状体に設け
、かつ、上記ボルトと環状体に形成されたボルト挿通孔
との間に間隙を設けたことを特徴とするものである。The power steering device according to the present invention includes an input shaft that is rotated by operating a steering handle, and a cylindrical portion that is disposed on the same axis as the input shaft and that is fitted around the input shaft. It is equipped with a rotary pulp composed of a worm shaft that fits together, and a valve member that is provided so as to be able to rotate integrally with the input shaft and the worm shaft, respectively. A steering reaction force is applied by pressing a rotating protrusion from both sides in the relative rotational direction of both shafts by a reaction force spring. fixed to the end face of the cylindrical part with a bolt, a protrusion on the worm shaft side is provided on the annular body, and a gap is provided between the bolt and a bolt insertion hole formed in the annular body. It is.

〔作用〕[Effect]

本発明に係る動力舵取装置では、反力機構を構成する環
状体が、組立時にはウォーム軸に対して相対回転が可能
なので、中立でのバランス精度を向上させることができ
、しかも、その調整が容易である。In the power steering device according to the present invention, the annular body constituting the reaction force mechanism can be rotated relative to the worm shaft during assembly, so balance accuracy in neutral can be improved, and moreover, its adjustment is easy. It's easy.

〔実施例〕〔Example〕

以下、図示実施例により本発明を説明する。第１図は本
発明の一実施例に係るインテグラル型の動力舵取装置を
示す縦断面図であり、ギアハウジング（２）のシリンダ
部（４）内には、ピストン（６）が摺勤自在に嵌合され
、このピストン（６）によってシリンダ（４）内は２つ
の圧力室（８）　，　（１ｏ）に区画されている。ピス
トン（６）の側面（第１図における下面）にはラック（
１２）が形成されており、このラック（ｌ２）に、図示
しない操向車輪に連動するセクタクギア（ｌ４）が噛合
わされ、ピストン（６）の往復勤に伴なって正逆回勅す
るようになっている。The present invention will be explained below with reference to illustrated embodiments. FIG. 1 is a longitudinal cross-sectional view showing an integral type power steering device according to an embodiment of the present invention, in which a piston (6) slides inside a cylinder portion (4) of a gear housing (2). The inside of the cylinder (4) is divided into two pressure chambers (8) and (1o) by this piston (6). A rack (
12) is formed, and a sector gear (l4) that is interlocked with a steering wheel (not shown) is meshed with this rack (l2), so that it rotates forward and backward as the piston (6) reciprocates. ing.

上記ピストン（６）の軸心部の孔（ｌ６）にはボールね
じ溝（ｌ８）が螺設され、溝（１８）内の多数のボール
（２０）を介してウォーム軸（２２）が螺合されている
。A ball screw groove (l8) is screwed into the hole (l6) in the axial center of the piston (6), and the worm shaft (22) is screwed through a large number of balls (20) in the groove (18). has been done.

上記ギアハウジングの（２）の一端にはバルプハウジン
グ（２４）が固定され、このバルブハウジング（２４）
内に上記ウォーム軸（２２）と軸線を一致させて入力軸
（２６）が配設されている。ウォーム軸（２２）の入力
軸（２６）側には筒状の孔（２２ａ）が形成され、この
孔（２２ａ）内に人力＠　（２Ｂ）の端部（２６ａ）が
嵌合しており、これら両軸（２２）　，　（２６）はそ
れぞれの軸芯の孔内に挿入されたトーションバ＝（２８
）によって連結されている。上記ウォーム軸（２２）と
人力釉（２６）との嵌合部には、両軸（２２），　　（
２６）の所定量の相対回転を許容するとともに、それ以
上の回転は規制するようにフェイルセーフが構成されて
いる。なお、入力軸（２６）は図示しない舵取ハンドル
に連動される。A valve housing (24) is fixed to one end of the gear housing (2), and this valve housing (24)
An input shaft (26) is disposed within the worm shaft (22) with its axis aligned with the worm shaft (22). A cylindrical hole (22a) is formed on the input shaft (26) side of the worm shaft (22), and the end (26a) of the manual force @ (2B) is fitted into this hole (22a). These two shafts (22) and (26) are torsion bars (28) inserted into the respective shaft core holes.
) are connected by. At the fitting part between the worm shaft (22) and the manual glaze (26), both shafts (22), (
26) is configured to permit a predetermined amount of relative rotation and to restrict further rotation. Note that the input shaft (26) is linked to a steering wheel (not shown).

上記バルブハウジング（２４）内には、入力軸（２６）
と一体回転する弁ロータ（３０）と、ウォーム軸（２２
）に形成された弁スリーブ（３２）とから構威されたロ
ータリタイプのコントロールバルブ（３４）が収容され
ている。Inside the valve housing (24) is an input shaft (26).
The valve rotor (30) rotates integrally with the worm shaft (22).
) A rotary type control valve (34) is housed therein, which is constituted by a valve sleeve (32) formed in the valve sleeve (32).

コントロールバルブ（３４）は、供給路を介して図示し
ないオイルポンプに、そして還流路を介して図示しない
タンクに運通しており、舵取ハンドルの操作によってこ
のコントロールバルブ（３４）が切換作動されると、オ
イルポンプから吐出された圧力流体は圧力室（８）　，
　（１０）の一方に供給されるとともに他方の圧力室が
タンクに連通されて両室間に圧力差を生ぜしめ、この圧
力差でピストン（６）を作動させて操舵方向に補助力を
付与するようになっている。The control valve (34) is connected to an oil pump (not shown) through a supply path and to a tank (not shown) through a return path, and is switched and operated by operating the steering handle. , the pressure fluid discharged from the oil pump enters the pressure chamber (8),
(10), and the other pressure chamber is communicated with the tank to create a pressure difference between the two chambers, and this pressure difference operates the piston (6) to provide auxiliary force in the steering direction. It looks like this.

上記ウォーム軸（２２）の入力軸（２６）側端部（２２
ｂ）は、バルブハウジング（２４）に対してウォーム軸
（２２）を回転可能に支持するボールベアリング（３６
）のインナーレースを構成しており、バルブハウジング
（２４）の開口部に螺合されたプラグ（３８）内に保持
されているアウターレース（３６ａ）　　との間にボー
ル（３６ｂ）を扶持している．なお、（４０）はこのプ
ラグ（３８）に対して入力軸（２６）を回転可能に支持
するボールベアリング，　（４２）はオイルシールであ
る。The input shaft (26) side end (22) of the worm shaft (22)
b) is a ball bearing (36) that rotatably supports the worm shaft (22) with respect to the valve housing (24).
), and the ball (36b) is supported between the outer race (36a) and the outer race (36a) held in the plug (38) screwed into the opening of the valve housing (24). There is. Note that (40) is a ball bearing that rotatably supports the input shaft (26) with respect to this plug (38), and (42) is an oil seal.

プラグ（３８）の内部側空間内には、入力軸（２６）に
嵌合された環状体（４４）が収容され、第２図に示すよ
うに、２本のボルト（４６）によってウォーム軸（２２
）の端面に固定されている。環状体（４４）に形威され
たボルト挿通孔（４４ａ）　とボルト（４６）の外径と
の間には間隙（δ）が設けられている。An annular body (44) fitted to the input shaft (26) is housed in the inner space of the plug (38), and as shown in FIG. 22
) is fixed to the end face of the A gap (δ) is provided between the bolt insertion hole (44a) formed in the annular body (44) and the outer diameter of the bolt (46).

入力軸（２６）の環状体（４４）内に位置する部分ほは
、その軸芯を通ってピン（４８）が圧入されている。入
力軸（２６）のこの部分の外面は、上下がほぼ水平に切
り欠かれており、この切り欠かれた部分内にピン（４８
）の両端が突出している。一方、環状体（４４）には、
軸芯を通る直径方向の孔（４４ｂ）が形成され、また、
この孔（４４ｂ）を直交方向に貫通する２本の横穴（４
４ｃ）か形成されている。直径方向の孔（４４ｂ）内に
は、両側から２本の短かいピン（５０）が圧入されてい
る。これら両ピン（５０）の内部側先端は、上記２本の
横穴（４４０内に突出しており、横穴（４４ｃ）内で上
記入力軸（２６）のピン（４８）と対向している。なお
、環状体（４４）内のピン（５０）の径（ｄｌ）は、入
力軸（２６）のビン（４８）の径（ｄ２）と等しいか、
または僅かに大きいものとする。さらに、環状体（４４
）の２本の横穴（４４ｃ）には、それぞれ両側から反力
ブランジャ（５２）が挿入され、各人口側にボルト（５
４）で固定されたばね座（５６）との間に配設された反
力スプリング（５８）によって、横穴（４４ｃ）の内部
側に付勢され両ビン（４８）　，　（５０）に圧接して
いる。A pin (48) is press-fitted through the axis of the portion of the input shaft (26) located within the annular body (44). The outer surface of this part of the input shaft (26) is cut out almost horizontally at the top and bottom, and a pin (48) is inserted into this cutout.
) has both ends protruding. On the other hand, in the annular body (44),
A diametrical hole (44b) is formed through the axis, and
Two horizontal holes (44b) pass through this hole (44b) in orthogonal directions.
4c) is formed. Two short pins (50) are press-fitted into the diametrical hole (44b) from both sides. The inner tips of both pins (50) protrude into the two horizontal holes (440) and face the pins (48) of the input shaft (26) within the horizontal holes (44c). Is the diameter (dl) of the pin (50) in the annular body (44) equal to the diameter (d2) of the pin (48) of the input shaft (26)?
Or slightly larger. Furthermore, an annular body (44
), reaction force plungers (52) are inserted from both sides into the two horizontal holes (44c), and bolts (52) are inserted into each population side.
The reaction spring (58) disposed between the spring seat (56) and the spring seat (56) fixed at 4) urges the inner side of the horizontal hole (44c) and presses against both the bottles (48) and (50). There is.

以上の構戒に係る動力舵取装置では、入力軸（２６）に
一体のビン（４８）と、環状体（４４）すなわちウォー
ム軸（２２）と一体のビン（５０）とを両側からスプリ
ング（５８）＆：より押圧保持しているため、非作勅時
にはプリセットフォースが得られ、入力軸（２６）が回
転操作された場合には操舵反力を付与することができる
。また、従来の動力舵取装置の反力機構はコントロール
バルブと不可分一体に設けられているので、バルブの油
圧センターと反力のセンターとを精度良く合わせること
が困難であり、しかも、その調整に多大の労力を必要と
したが、本実施例装置では、ボルト（４６）とボルト挿
通孔（４４ａ）　との間に間ｉｌ！　（δ）があるため
、組立時には、環状体（４４）はウォーム軸（２２）に
対してその間陣（δ）分だけ相対回転が可能であり、従
って、入力軸（２６）に環状体（４４）を嵌合させ、両
者のピン（４８），　　（５０）が反力スプリング（５
８）に押されて反力センターが決まった状態でボルト（
４６）を締め付け環状体（４４）をウォーム軸（２２）
に固定すれば、コントロールバルブ（３４）の中立位置
と反力センターとを高精度に一致させることができる。In the power steering device according to the above configuration, the bottle (48) integrated with the input shaft (26) and the bottle (50) integrated with the annular body (44), that is, the worm shaft (22) are connected by springs ( 58) &: Since the input shaft (26) is held under more pressure, a preset force can be obtained when the input shaft (26) is not operated, and a steering reaction force can be applied when the input shaft (26) is rotated. In addition, since the reaction force mechanism of conventional power steering devices is installed inseparably from the control valve, it is difficult to precisely align the hydraulic center of the valve with the center of the reaction force, and furthermore, it is difficult to adjust it. Although it required a lot of effort, in the device of this embodiment, there is no gap between the bolt (46) and the bolt insertion hole (44a). (δ), during assembly, the annular body (44) can rotate relative to the worm shaft (22) by the distance (δ) between them. ), and both pins (48) and (50) are connected to the reaction spring (5
8) When the reaction force center is determined by being pushed by the bolt (
46) and the annular body (44) to the worm shaft (22).
If it is fixed to , the neutral position of the control valve (34) and the reaction force center can be made to match with high precision.

〔発明の効果〕〔Effect of the invention〕

以上述べたように本発明によれば、コントロールバルプ
と一体の反力機構と同様の操舵反力が得られるとともに
、中立でのバランスが取り易く組立性が向上し、しかも
、中立のバランス精度の高い反力機構を備えた動力舵取
装置を得ることができる。As described above, according to the present invention, it is possible to obtain a steering reaction force similar to that of a reaction force mechanism integrated with a control valve, and it is also possible to easily maintain balance in neutral, improve assembly efficiency, and improve neutral balance accuracy. A power steering device equipped with a high reaction force mechanism can be obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実施例に係る動力舵取装置の縦断面
図、第２図は第１図のＩＩ　−　ＩＩ線に沿う断面図で
ある。 （２２）・・・ウォーム軸、 （２６）・・・入力軸、 （３０）．　（３２）・・・弁部材、 （３４）・・・コントロールバルブ、 （４４）・・・環状体、 （４４ａ）・・・ボルト挿通孔、 （４６）・・・ボルト、 （４８）・・・入力軸の突起、 （５０）・・・ウォーム軸の突起、 （５８）・・・反力スプリング。FIG. 1 is a longitudinal sectional view of a power steering device according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line II--II in FIG. 1. (22)...Worm shaft, (26)...Input shaft, (30). (32)... Valve member, (34)... Control valve, (44)... Annular body, (44a)... Bolt insertion hole, (46)... Bolt, (48)... -Protrusion on input shaft, (50)...Protrusion on worm shaft, (58)...Reaction spring.

Claims (1)

【特許請求の範囲】[Claims] 舵取ハンドルの操作により回転される入力軸と、この入
力軸と同一軸線上に配設され、その一端に形成された筒
部が入力軸の周囲に嵌合するウォーム軸と、これら入力
軸とウォーム軸とにそれぞれ一体回転可能に設けられた
弁部材によって構成されるロータリパルプとを備え、入
力軸と一体回転する突起と、ウォーム軸と一体回転する
突起とを、両軸の相対回転方向両側から反力スプリング
によって押圧することにより操舵反力を付与する動力舵
取装置において、環状体を入力軸に嵌合してウォーム軸
の筒部端面にボルトで固定し、ウォーム軸側の突起をこ
の環状体に設け、かつ、上記ボルトと環状体に形成され
たボルト挿通孔との間に間隙を設けたことを特徴とする
動力舵取装置。An input shaft that is rotated by the operation of the steering wheel, a worm shaft that is disposed on the same axis as the input shaft, and a cylindrical portion formed at one end of the worm shaft that fits around the input shaft; The worm shaft is equipped with a rotary pulp composed of a valve member that is provided so as to be able to rotate integrally with the input shaft, and a protrusion that rotates integrally with the input shaft and a protrusion that rotates integrally with the worm shaft are arranged on both sides in the relative rotational direction of both shafts. In a power steering device that applies a steering reaction force by applying pressure from a reaction force spring, an annular body is fitted onto the input shaft and fixed to the end face of the cylindrical part of the worm shaft with bolts, and the protrusion on the worm shaft side is attached to the input shaft. A power steering device, characterized in that the power steering device is provided in an annular body, and a gap is provided between the bolt and a bolt insertion hole formed in the annular body.
JP1148767A 1989-06-12 1989-06-12 Power steering device Expired - Lifetime JPH0747392B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1148767A JPH0747392B2 (en) 1989-06-12 1989-06-12 Power steering device
KR1019900008409A KR930007215B1 (en) 1989-06-12 1990-06-08 Power steering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1148767A JPH0747392B2 (en) 1989-06-12 1989-06-12 Power steering device

Publications (2)

Publication Number Publication Date
JPH0314770A true JPH0314770A (en) 1991-01-23
JPH0747392B2 JPH0747392B2 (en) 1995-05-24

Family

ID=15460199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1148767A Expired - Lifetime JPH0747392B2 (en) 1989-06-12 1989-06-12 Power steering device

Country Status (2)

Country Link
JP (1) JPH0747392B2 (en)
KR (1) KR930007215B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645785A (en) * 1993-08-09 1997-07-08 Saint Gobain Vitrage Device for extruding a polymer frame onto a plate-shaped object
USRE37341E1 (en) 1993-08-09 2001-08-28 Saint Gobain Vitrage Device for extruding a polymer frame onto a plate-shaped object
JP2009067337A (en) * 2007-09-18 2009-04-02 Hitachi Ltd Power steering device
JP2010114233A (en) * 2008-11-06 2010-05-20 Tdk Corp Noise absorption implement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645785A (en) * 1993-08-09 1997-07-08 Saint Gobain Vitrage Device for extruding a polymer frame onto a plate-shaped object
USRE37341E1 (en) 1993-08-09 2001-08-28 Saint Gobain Vitrage Device for extruding a polymer frame onto a plate-shaped object
JP2009067337A (en) * 2007-09-18 2009-04-02 Hitachi Ltd Power steering device
JP2010114233A (en) * 2008-11-06 2010-05-20 Tdk Corp Noise absorption implement
JP4697489B2 (en) * 2008-11-06 2011-06-08 Ｔｄｋ株式会社 Noise absorber

Also Published As

Publication number Publication date
JPH0747392B2 (en) 1995-05-24
KR930007215B1 (en) 1993-08-04
KR910000461A (en) 1991-01-29

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