JPH055683B2 - - Google Patents
Info
- Publication number
- JPH055683B2 JPH055683B2 JP61000249A JP24986A JPH055683B2 JP H055683 B2 JPH055683 B2 JP H055683B2 JP 61000249 A JP61000249 A JP 61000249A JP 24986 A JP24986 A JP 24986A JP H055683 B2 JPH055683 B2 JP H055683B2
- Authority
- JP
- Japan
- Prior art keywords
- leaf
- axle
- axle box
- box
- vehicle suspension
- 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
- 239000000725 suspension Substances 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/20—Leaf springs with layers, e.g. anti-friction layers, or with rollers between the leaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
- B60G11/113—Mountings on the axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/112—Leaf spring longitudinally arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、車両懸架装置に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a vehicle suspension system.
従来の技術
従来から一般的に使用されている車両懸架装置
においては、その重ね板ばねは、No.１リーフ及び
No.２リーフ以下の数枚のリーフの群が一体的にア
ツパーパツドを介してＵボルトにより車軸に固定
されている。このように、重ね板ばねは、No.１リ
ーフは、No.２リーフ以下のリーフ群と共に車軸に
強力に取り付けられているので、その取り付けの
ためには、強力な締め付けトルクが必要となり、
その結果、重ね板ばねの各リーフの締め付け部に
は強力な圧縮力が作用することとなる。BACKGROUND TECHNOLOGY In vehicle suspension systems commonly used in the past, the laminated leaf springs are No. 1 leaf and No. 1 leaf springs.
A group of several leaves, starting from No. 2 leaf, are integrally fixed to the axle via an upper pad with U-bolts. In this way, in the stacked leaf spring, the No. 1 leaf is strongly attached to the axle along with the leaf group below the No. 2 leaf, so a strong tightening torque is required to install it.
As a result, a strong compressive force acts on the tightening portion of each leaf of the leaf spring.
しかしながら、このような構成を有している重
ね板ばねを使用している車両懸架装置において
は、使用されている重ね板ばねが、車両の走行の
際に、上下に変位すると、その締め付け部に微少
なずれが生じ、この締め付け部における各リーブ
の側面と、Ｕボルトの周面とにフレツチングコロ
ージヨンの現象が発生する。あこのフレツチング
コロージヨンの現象が発生すると、その部位から
疲労クラツクが発生し、各リーフに大幅な耐久性
の低下の生ずる主原因となる。特に、No.２リーフ
以下のリーフ群が、炭素繊維や、ガラス繊維など
の補強材を有する強化樹脂ばねなどから製作され
ている場合には、No.２リーフ以下のリーフ群の耐
久性の低下は、一層顕著なものとなる。 However, in a vehicle suspension system using stacked leaf springs having such a configuration, when the stacked leaf springs used are displaced up and down while the vehicle is running, the tightening portions of the used leaf springs may be damaged. A slight deviation occurs, and a phenomenon of fretting corrosion occurs on the side surface of each rib and the circumferential surface of the U-bolt at this tightening portion. When this phenomenon of fretting corrosion occurs, fatigue cracks occur in that area, which is the main cause of a significant decrease in durability of each leaf. In particular, if the leaf group of No. 2 leaf or lower is made of reinforced resin springs with reinforcing materials such as carbon fiber or glass fiber, the durability of the leaf group of No. 2 leaf or lower will decrease. becomes even more prominent.
発明が解決しようとする問題点
そこで、本発明は、従来公知の車両懸架装置に
使用されている重ね板ばねにおける上記のような
問題点を解決することができる新規な車両懸架装
置を得ることを、その目的とするものである。Problems to be Solved by the Invention Therefore, the present invention aims to obtain a novel vehicle suspension system that can solve the above-mentioned problems in the stacked leaf springs used in conventionally known vehicle suspension systems. , that is its purpose.
問題点を解決するための手段
本発明は、この目的を達成するために、添付図
面の第１図に示すように、数枚のリーフ１，２か
ら成る重ね板ばねと、車軸６とから構成された車
両懸架装置において、重ね板ばねのNo.１リーフ１
を中空箱状の車軸箱３の外部の頂面又は底面の上
に配置し、また、No.２リーフ以下のリーフの群２
を車軸箱３の内部に適当な締め付け力の下に収容
し、この車軸箱３をNo.２リーフ以下のリーフ群２
を収容したまま、No.１リーフ１に適当な締め付け
力を与えながら車軸６に取り付けるようにした車
両懸架装置を特徴とするものである。Means for Solving the Problems In order to achieve this object, the present invention consists of a stacked leaf spring consisting of several leaves 1 and 2 and an axle 6, as shown in FIG. In the vehicle suspension system, No. 1 leaf 1 of the stacked leaf spring
is arranged on the top or bottom surface of the outside of the hollow box-shaped axle box 3, and a group of leaves 2 below No. 2 leaf is arranged.
is housed inside the axle box 3 under an appropriate tightening force, and this axle box 3 is inserted into the leaf group 2 of No. 2 leaf and below.
The vehicle suspension system is characterized by being attached to the axle 6 while applying an appropriate tightening force to the No. 1 leaf 1 while housing the leaf 1.
作 用
このような構成により、No.１リーフは車軸箱３
を介して車軸６に取り付けられるが、No.２リーフ
以下のリーフ群２は、車軸箱３の内部に適当な締
め付け力の下に収容され、No.１リーフ１が受ける
強力な締め付け力を受けることが無く、従つて、
これらのリーフの寿命を著しく延長させることが
可能となる。Function With this configuration, the No. 1 leaf is attached to the axle box 3.
The leaf group 2 below the No. 2 leaf is housed inside the axle box 3 under an appropriate tightening force, and receives the strong tightening force applied to the No. 1 leaf 1. There is no problem, therefore,
It becomes possible to significantly extend the life of these leaves.
実施例
以下、本発明をその実施例を示す添付図面の第
１〜７図に基づいて詳細に説明する。Embodiments Hereinafter, the present invention will be described in detail based on FIGS. 1 to 7 of the accompanying drawings showing embodiments thereof.
まず、第１及び２図に示すように、本発明にお
いては、重ね板ばねのリーフをNo.１リーフ１と、
No.２リーフ以下のリーフの群２とに分割する。そ
して、No.１リーフ１は、第３図に示すように、開
口部３1を下部にした、横断面輪郭がほぼコの字
型の、ある長さを有している中空状の車輪箱３の
底部３2の上面の上に載置し、このNo.リーフ１の
上面の上にアツパーパツド４を載置し、このアツ
パーパツド４を介して上方から１対のＵボルト５
により車軸６に、その下部においてねじ込まれた
ナツト５0によりねじ締めを行い、No.１リーフ１
車軸箱３及びアツパーパツド４を介して車軸６に
固定し、このようにして、前後荷重による車軸６
の前後の移動を、主として、このNo.１リーフ１に
より支持するようにする。一方、この車軸箱３の
内部の中空部の内部には、その長手方向に、第３
及び４図に示すように、No.２以下のリーフの群２
を収容し、これにより、車軸箱３をNo.１リーフ１
と共にアツパーパツド４を介してＵボルト５によ
り車軸６に強力に締め付けても、No.２リーフ以下
の群２には、適当に定められた締め付け力以上の
締め付け力が、加えられないようにする。すなわ
ち、これらのNo.２リーフ以下のリーフの群２は、
第３及び４図に示すように、車軸箱３の内部に、
その上下にそれぞれスペーサ７及び８を介して挿
入し、更に、下部のスペーサ８の下部には、車軸
締め付け板９を配置した後、車軸６にＵボルト５
により締め付けられている。この車軸締め付け板
９は、Ｕボルト５が締め付けられた時に、スペー
サ７，８を介してNo.２リーフ以下のリーフ群２に
適当な締め付け力を与えるための締め付け板９の
本来の役目を果たすと同時に、その下面の中心部
に一体に形成されているセンタボルト１０と、車
軸６の上面に対応する横断面を有するように形成
された凹部１１との間の係合による車軸６に対す
る位置決めにも役立つものである。 First, as shown in FIGS. 1 and 2, in the present invention, the leaf of the stacked leaf spring is No. 1 leaf 1,
Divide into group 2 of leaves below No. 2 leaf. As shown in Fig. 3, the No. 1 leaf 1 is a hollow wheel box having a certain length, with an opening 31 at the bottom, and a substantially U-shaped cross-sectional profile. The upper pad 4 is placed on the upper surface of this No. leaf 1 , and a pair of U bolts 5 are inserted from above through this upper pad 4.
Tighten the nut 50 screwed into the axle 6 at the bottom of the axle 6 with the No. 1 leaf 1.
It is fixed to the axle 6 via the axle box 3 and the upper pad 4, and in this way, the axle 6 is
The movement back and forth is mainly supported by this No. 1 leaf 1. On the other hand, inside the hollow part inside this axle box 3, a third
And as shown in Figure 4, group 2 of leaves No. 2 and below
This allows the axle box 3 to be attached to the No. 1 leaf 1.
At the same time, even if the U-bolt 5 is strongly tightened to the axle 6 through the upper pad 4, a tightening force exceeding a properly determined tightening force is not applied to the group 2 of No. 2 leaf or lower. In other words, the group 2 of leaves below these No. 2 leaves are:
As shown in FIGS. 3 and 4, inside the axle box 3,
The U-bolts 5 are inserted into the upper and lower parts of the axle 6 through spacers 7 and 8 respectively, and an axle tightening plate 9 is placed below the lower spacer 8.
It is tightened by. This axle tightening plate 9 fulfills its original role of applying an appropriate tightening force to the leaf group 2 below No. 2 leaf via the spacers 7 and 8 when the U bolt 5 is tightened. At the same time, positioning with respect to the axle 6 is achieved by engagement between a center bolt 10 integrally formed at the center of the lower surface of the center bolt 10 and a recess 11 formed to have a cross section corresponding to the upper surface of the axle 6. is also helpful.
次に、Ｕボルト５により車軸箱３と、車軸締め
付け板９とを締め付けた時において、軸受箱３内
のNo.２リーフ以下のリーフの群２が、車軸箱３の
底部と、車軸締め付け板９の上面との間において
加えられる適当な締め付け力は、次ぎのように設
定される。すなわち、No.２リーフ以下のリーフの
群２の板厚Ｈ及び各スペーサ７，８の板厚ｈが、
あらかじめ決められており、これらを、車軸箱３
の底部内面と、車軸締め付け板９の上面との間に
おいてＵボルト５により相互に締め付けされた次
における全体の高さH0が、中空の車軸箱３の内
部高さに等しくなつた時に、初期に計画された締
め付け力が与えられるようなたわみδが、（Ｈ＋
2h）−H0として与えられるように、各部材の厚さ
Ｈ及びｈを決定することができる。なお、第１及
び３図において、符号１２は、No.１リーフ１を車
軸箱３の底部３2に対して中心決めするためのセ
ンタボルトを示すものである。 Next, when the axle box 3 and the axle clamping plate 9 are tightened with the U-bolts 5, the group 2 of leaves below the No. 2 leaf in the bearing box 3 are attached to the bottom of the axle box 3 and the axle clamping plate 9. The appropriate tightening force to be applied between the upper surface of 9 and the upper surface of 9 is set as follows. That is, the plate thickness H of the group 2 of leaves below No. 2 leaf and the plate thickness h of each spacer 7, 8 are as follows.
These are determined in advance, and these are
When the overall height H 0 between the bottom inner surface of the axle box 3 and the top surface of the axle clamping plate 9 is mutually tightened by the U-bolts 5 and becomes equal to the internal height of the hollow axle box 3, the initial The deflection δ that gives the planned tightening force to (H+
The thicknesses H and h of each member can be determined as given as 2h) - H 0 . In FIGS. 1 and 3, reference numeral 12 indicates a center bolt for centering the No. 1 leaf 1 with respect to the bottom 3 2 of the axle box 3.
本発明による車両懸架装置における重ね板ばね
は、上記のような基本構成を有しているが、今、
この車両懸架装置を車体のフレームに取り付ける
場合に考えられる典型的な各部材の例を示すと、
第５〜８図に示すとおりとなる。すなわち、各図
に示される締結方式は、それぞれ、次ぎのとおり
である。 The stacked leaf spring in the vehicle suspension system according to the present invention has the basic configuration as described above, but now,
Examples of typical components that can be considered when attaching this vehicle suspension system to the vehicle body frame are as follows:
As shown in FIGS. 5 to 8. That is, the fastening methods shown in each figure are as follows.
第５図
アツパーパツド４−No.リーフ以下のリーフ群
２−車軸箱３−No.１リーフ１−車軸６−締結方
式
第６図
アツパーパツド４−No.リーフ１−車軸箱３−
No.２リーフ以下のリーフ群２−車軸６−締結方
式
第７図
車軸６−No.リーフ１−車軸箱３−No.２リーフ
以下のリーフ群２−アツパーパツド４−締結方
式
第８図
車軸６−No.２リーフ以下のリーフ群２−車軸
箱３−No.１リーフ１−アツパーパツド４−締結
方式
などである。なお、これらの各図において、符号
２０は、シヤシーフレーム、２１は支持点を示す
ものである。 Fig. 5 Upper pad 4 - Leaf group below No. leaf 2 - Axle box 3 - No. 1 leaf 1 - Axle 6 - Fastening method Fig. 6 Upper pad 4 - No. leaf 1 - Axle box 3 -
Leaf group 2 below No. 2 leaf - Axle 6 - Fastening method Fig. 7 Axle 6 - No. Leaf 1 - Axle box 3 - Leaf group 2 below No. 2 leaf - Upper pad 4 - Fastening method Fig. 8 Axle 6 - Leaf group 2 below No. 2 leaf - Axle box 3 - No. 1 leaf 1 - Upper pad 4 - Fastening method, etc. In each of these figures, numeral 20 indicates a chassis frame, and 21 indicates a support point.
発明の効果
本発明は、上記のような構成及び作用を有して
いるので、No.２リーフ以下のリーフ群２が車軸箱
３の内部に収容され、No.１リーフ１の受ける締め
付け力には無関係に最適の締め付け力を受けるよ
うにすることができ、これらのNo.２リーフ以下の
リーフの群２の各リーフにフレツチングコロージ
ヨンの発生することを有効に阻止することがで
き、この効果は、特に、これらのリーフが炭素繊
維や、ガラス繊維などによる強化樹脂から作られ
る時に顕著となる他、車軸箱３によりNo.２リーフ
以下のリーフ群２が強力に締め付けられないの
で、この締め付け力によるＵボルト５の固体化が
少なくて済み、従つて、従来公知の車両懸架装置
に比べ、ばね定数の柔らかい重ね板ばねとするこ
ともできるという優れた各種の効果を発揮するも
のである。Effects of the Invention Since the present invention has the above-described configuration and operation, the leaf group 2 of No. 2 leaf and below is housed inside the axle box 3, and the tightening force received by the No. 1 leaf 1 is suppressed. It is possible to receive the optimum tightening force regardless of the number of leaves, and it is possible to effectively prevent the occurrence of fretting corrosion on each leaf of group 2 of leaves below these No. 2 leaves. This effect is particularly noticeable when these leaves are made of resin reinforced with carbon fiber or glass fiber, and the axle box 3 prevents the leaf group 2 below No. 2 leaf from being strongly tightened. There is less solidification of the U-bolt 5 due to the tightening force, and therefore, compared to conventionally known vehicle suspension systems, it exhibits various excellent effects such as being able to use a stacked leaf spring with a softer spring constant. .
第１図は、本発明の１実施例を示す全体の正面
図、第２図は、その底面図、第３図は、その車軸
箱の部分の拡大縦断面図、第４図は、その車軸箱
の部分の拡大平面図、第５〜８図は、本発明によ
る重ね板ばねの各種の車両懸架装置方式の典型的
な配置の例を示す正面図である。
１……No.１リーフ、２……No.２リーフ以下のリ
ーフ群、３……車軸箱、４……アツパーパツド、
５……Ｕボルト、６……車軸、７，８……スペー
サ、９……車軸締め付け板。
Fig. 1 is an overall front view showing one embodiment of the present invention, Fig. 2 is a bottom view thereof, Fig. 3 is an enlarged vertical sectional view of the axle box portion, and Fig. 4 is an axle shaft thereof. FIGS. 5 to 8, which are enlarged plan views of the box portion, are front views showing typical arrangements of various vehicle suspension system systems of stacked leaf springs according to the present invention. 1...No.1 leaf, 2...Leaf group below No.2 leaf, 3...Axle box, 4...Upper pad,
5... U bolt, 6... Axle, 7, 8... Spacer, 9... Axle tightening plate.
Claims (1)
から構成された車両懸架装置において、重ね板ば
ねのNo.１リーフを中空箱状の車軸箱の外部の頂面
又は底面の上に配置し、また、No.２リーフ以下の
リーフの群を車軸箱の内部に適当な締め付け力の
下に収容し、この車軸箱をNo.２リーフ以下のリー
フ群を収容したままNo.１リーフに適当な締め付け
力を与えながら車軸に取り付けるようにすること
を特徴とする車両懸架装置。 ２ No.１リーフを車軸箱にアツパーパツドを介し
て車軸に締め付けるようにする特許請求の範囲第
１項記載の車両懸架装置。 ３ 車軸箱が、横断面がほぼ長方形状の箱状であ
り、この長手方向の一つの面を開放されており、
この開口部と車軸との間に締め付け板を配置され
ている特許請求の範囲第１又は２項記載の車両懸
架装置。 ４ 車軸箱の内部の底部及び締め付け板の上面と
に、それぞれ、弾性材料製のスペーサを配置した
特許請求の範囲第３項記載の車両懸架装置。[Claims] 1. In a vehicle suspension system composed of a stacked leaf spring consisting of several leaves and an axle, the No. 1 leaf of the stacked leaf spring is attached to the top surface of the outside of the hollow box-shaped axle box or The axle box is placed on the bottom surface, and a group of leaves smaller than No. 2 leaf is housed inside the axle box under an appropriate tightening force, and the axle box is left with the group of leaves smaller than No. 2 housed inside the axle box. A vehicle suspension system characterized by attaching No. 1 leaf to an axle while applying an appropriate tightening force. 2. The vehicle suspension system according to claim 1, wherein the No. 1 leaf is fastened to the axle via an upper pad in the axle box. 3. The axle box is box-shaped with a substantially rectangular cross section, and one longitudinal surface thereof is open;
3. The vehicle suspension system according to claim 1, wherein a tightening plate is disposed between the opening and the axle. 4. The vehicle suspension system according to claim 3, wherein spacers made of an elastic material are arranged at the bottom of the inside of the axle box and on the top surface of the clamping plate, respectively.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24986A JPS62160907A (en) | 1986-01-07 | 1986-01-07 | Vehicular suspension device |
| DE19863644803 DE3644803C2 (en) | 1986-01-07 | 1986-12-31 | Axle suspension for vehicles |
| GB8700107A GB2185088B (en) | 1986-01-07 | 1987-01-06 | A suspension system for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24986A JPS62160907A (en) | 1986-01-07 | 1986-01-07 | Vehicular suspension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62160907A JPS62160907A (en) | 1987-07-16 |
| JPH055683B2 true JPH055683B2 (en) | 1993-01-22 |
Family
ID=11468670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24986A Granted JPS62160907A (en) | 1986-01-07 | 1986-01-07 | Vehicular suspension device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS62160907A (en) |
| DE (1) | DE3644803C2 (en) |
| GB (1) | GB2185088B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209518A (en) * | 1991-03-11 | 1993-05-11 | Detroit Steel Products Co., Inc. | Dual-stage tapered leaf spring for a trailer |
| DE4114982C2 (en) * | 1991-05-08 | 1994-08-25 | Kurt Linnepe | Device for the suspension of rigid axles of motor vehicles |
| JP2580289Y2 (en) * | 1993-03-25 | 1998-09-03 | 三菱製鋼株式会社 | Leaf spring device |
| FR2711337B1 (en) * | 1993-10-20 | 1996-01-05 | Jsa | Reinforcement device for vehicle leaf suspension. |
| ITMI20032411A1 (en) * | 2003-12-10 | 2005-06-11 | Iveco Spa | MECHANICAL SUSPENSION WITH CROSSBOW WITH DOUBLE FLEXIBILITY |
| ITMI20032410A1 (en) * | 2003-12-10 | 2005-06-11 | Iveco Spa | MECHANICAL CROSSBOW SUSPENSION WITH VARIABLE STIFFNESS, |
| CN104890464B (en) * | 2015-06-15 | 2017-01-11 | 清华大学 | Semi-independent suspension with inclined leaf springs |
| CN107740830A (en) * | 2017-09-14 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | The compound plate spring assembly of few piece |
| DE102017218796B4 (en) * | 2017-10-20 | 2021-05-27 | Ford Global Technologies, Llc | Axle suspension |
| CN113492629B (en) * | 2021-08-05 | 2024-02-13 | 中国重汽集团济南动力有限公司 | Stepped main and auxiliary spring support |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3586307A (en) * | 1969-06-25 | 1971-06-22 | North American Rockwell | Composite spring assembly |
| JPS57114046A (en) * | 1980-12-27 | 1982-07-15 | Hino Motors Ltd | Silencer for vehicle plate spring |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51127525U (en) * | 1975-04-11 | 1976-10-15 | ||
| JPS58111446U (en) * | 1982-01-26 | 1983-07-29 | 中央発條株式会社 | Composite leaf spring for vehicle suspension |
| JPS6263431U (en) * | 1985-10-11 | 1987-04-20 |
-
1986
- 1986-01-07 JP JP24986A patent/JPS62160907A/en active Granted
- 1986-12-31 DE DE19863644803 patent/DE3644803C2/en not_active Expired - Fee Related
-
1987
- 1987-01-06 GB GB8700107A patent/GB2185088B/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3586307A (en) * | 1969-06-25 | 1971-06-22 | North American Rockwell | Composite spring assembly |
| JPS57114046A (en) * | 1980-12-27 | 1982-07-15 | Hino Motors Ltd | Silencer for vehicle plate spring |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8700107D0 (en) | 1987-02-11 |
| GB2185088A (en) | 1987-07-08 |
| DE3644803A1 (en) | 1987-07-16 |
| GB2185088B (en) | 1989-12-20 |
| JPS62160907A (en) | 1987-07-16 |
| DE3644803C2 (en) | 1997-03-06 |
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