JPS6256801B2 - - Google Patents
Info
- Publication number
- JPS6256801B2 JPS6256801B2 JP1211183A JP1211183A JPS6256801B2 JP S6256801 B2 JPS6256801 B2 JP S6256801B2 JP 1211183 A JP1211183 A JP 1211183A JP 1211183 A JP1211183 A JP 1211183A JP S6256801 B2 JPS6256801 B2 JP S6256801B2
- Authority
- JP
- Japan
- Prior art keywords
- arm
- reference surface
- knuckle arm
- caster angle
- measuring tool
- 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
Links
- 239000000725 suspension Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Description
【発明の詳細な説明】
四輪車において前車輪に対するナツクルアーム
のキヤスター角は走行安定性の向上のため必要な
要素であるが、その測定操作は甚だ面倒であつ
た。DETAILED DESCRIPTION OF THE INVENTION In a four-wheeled vehicle, the caster angle of the knuckle arm relative to the front wheel is a necessary element for improving running stability, but the measurement operation is extremely troublesome.
本発明はこれに鑑み、キヤスター角の測定を極
めて容易にしたナツクルアームを提供することを
目的とするもので、ナツクルアームに車軸に対す
るナツクルアームの中心線と平行な測定用基準面
と該基準面に当接する測定具取付用の位置ぎめ孔
の適数個を設けたことを特徴とする。本発明の実
施態様の一例を図面について説明する。 In view of this, it is an object of the present invention to provide a knuckle arm that makes it extremely easy to measure the caster angle. It is characterized by providing an appropriate number of positioning holes for attaching measuring tools. An example of an embodiment of the present invention will be described with reference to the drawings.
図面において１は車輪、２はナツクルアーム
で、該アーム２の中心線Ａは第２図で示すように
車軸３の中心を通る垂線Ｘに対し所定のキヤスタ
ー角αを以つて傾斜するもので、本発明は該ナツ
クルアーム２の側面にナツクルアームの中心線Ａ
と平行する測定用基準面４と、該基準面４に当接
してキヤスター角度αを検測する測定具取付用の
位置ぎめ孔５を設けたことを特徴とする。 In the drawings, 1 is a wheel, 2 is a knuckle arm, and the center line A of the arm 2 is inclined at a predetermined caster angle α with respect to the perpendicular X passing through the center of the axle 3, as shown in FIG. In the invention, the center line A of the knuckle arm is formed on the side surface of the knuckle arm 2.
It is characterized by providing a measurement reference surface 4 parallel to the reference surface 4, and a positioning hole 5 for attaching a measurement tool that comes into contact with the reference surface 4 to measure the caster angle α.
尚、図面において測定具の取付け用孔５はナツ
クルアーム２の強度を弱めることなく又基準面４
を広く有効に使用するためアーム２の側縁に突出
形成した耳部２ａに設けたものを示すが、該孔５
の位置は任意であり、又孔５の数は２個又はそれ
以上が望ましい。 In addition, in the drawing, the mounting hole 5 for the measuring tool is provided without weakening the strength of the knuckle arm 2, and also on the reference surface 4.
In order to use the hole 5 widely and effectively, the ear 2a protruding from the side edge of the arm 2 is shown.
The position of the holes 5 is arbitrary, and the number of holes 5 is preferably two or more.
第１図において６はアツパーアーム、７はロア
ーアームを示す。 In FIG. 1, 6 indicates an upper arm and 7 indicates a lower arm.
本発明において第３図或いは第４図で示すよう
にＬ形に交わる縦板９と横板１０とで形成され、
横板１０上に傾斜角度計１１を取付けた測定具８
を、その縦板９の外面を平坦な基準面としてこれ
をナツクルアーム２の基準面４に当接させるとき
は、ナツクルアーム２の基準面４は該アーム２の
キヤスター角αと平行面に形成されるため傾斜角
度計１１により直接にキヤスター角を検測するこ
とができるもので、測定具８の縦板９にはナツク
ルアーム２に設けた位置ぎめ孔５と合致するよう
ピン１２を設け、且つ縦板９の外面には小磁石片
１３を埋設したので、測定に当りアーム２の測定
用基準面４に対し測定具８を適正な関係に当接し
て検測を精確に行えるようにした。尚、測定具８
として第３図で示すように縦板９と横板１０との
Ｌ形の開き角度を90゜とするときは傾斜角度計１
１によつて直接キヤスター角αを表示させ得ら
れ、又第４図で示すように縦板９と横板１０との
開き角度を90゜−αとするときは傾斜角度計１１
に基準キヤスター角に対する誤差が表示される。
このように本発明によるときはナツクルアームに
該アームの中心線と平行な即ちキヤスター角と平
行する測定用基準面を設けたので、これに傾斜角
度計を備えた測定具を当接させることにより、キ
ヤスター角の検測が容易的確となり、且つナツク
ルアームにはこれに当接する測定具の取付用位置
ぎめ孔を設けたので測定用基準面に対し測定具を
適正な位置に取付ることが容易となり従つて検測
を精確に行なうことができる効果を有する。 In the present invention, as shown in FIG. 3 or 4, it is formed of a vertical plate 9 and a horizontal plate 10 that intersect in an L shape,
Measuring tool 8 with inclination angle meter 11 mounted on horizontal plate 10
When this is brought into contact with the reference surface 4 of the knuckle arm 2 with the outer surface of the vertical plate 9 as a flat reference surface, the reference surface 4 of the knuckle arm 2 is formed in a plane parallel to the caster angle α of the arm 2. Therefore, the caster angle can be directly measured using an inclination angle meter 11. A pin 12 is provided on the vertical plate 9 of the measuring tool 8 so as to match the positioning hole 5 provided in the knuckle arm 2, and the vertical plate Since a small magnet piece 13 is embedded in the outer surface of the arm 2, the measurement tool 8 can be brought into contact with the measurement reference surface 4 of the arm 2 in an appropriate relationship during measurement, so that the measurement can be performed accurately. In addition, measuring tool 8
As shown in Fig. 3, when the opening angle of the L-shape between the vertical plate 9 and the horizontal plate 10 is 90°,
1 can directly display the caster angle α, and when the opening angle between the vertical plate 9 and the horizontal plate 10 is 90°-α as shown in FIG.
The error relative to the standard caster angle is displayed.
In this way, according to the present invention, since the knuckle arm is provided with a measuring reference plane parallel to the center line of the arm, that is, parallel to the caster angle, by abutting the measuring tool equipped with the inclination angle meter, Measuring the caster angle is easy and accurate, and since the knuckle arm has a positioning hole for attaching the measuring tool that comes into contact with it, it is easy to install the measuring tool at the proper position with respect to the measurement reference surface. This has the effect that measurements can be carried out accurately.
図面は本発明の実施態様の一例で、第１図は正
面図、第２図は要部の測面図、第３図および第４
図は測定具の側面図である。
２…ナツクルアーム、３…車軸、４…測定用基
準面、５…位置ぎめ孔、Ａ…ナツクルアーム中心
線、α…キヤスター角。
The drawings are an example of the embodiment of the present invention, and FIG. 1 is a front view, FIG. 2 is a surface survey of the main part, and FIGS. 3 and 4.
The figure is a side view of the measuring tool. 2... Knuckle arm, 3... Axle, 4... Measurement reference surface, 5... Positioning hole, A... Knuckle arm center line, α... Caster angle.
Claims (1)
ムの中心線と平行な測定用基準面と該基準面に当
接する測定具取付用の位置ぎめ孔の適数個を設け
たことを特徴とする四輪車の懸架装置におけるナ
ツクルアーム。1. A suspension system for a four-wheeled vehicle, characterized in that the knuckle arm is provided with a measuring reference surface parallel to the center line of the knuckle arm with respect to the axle, and an appropriate number of positioning holes for attaching a measuring tool that abut the reference surface. Natsukuru arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1211183A JPS59140180A (en) | 1983-01-29 | 1983-01-29 | Natsukuru arm in four-wheel vehicle suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1211183A JPS59140180A (en) | 1983-01-29 | 1983-01-29 | Natsukuru arm in four-wheel vehicle suspension system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59140180A JPS59140180A (en) | 1984-08-11 |
| JPS6256801B2 true JPS6256801B2 (en) | 1987-11-27 |
Family
ID=11796449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1211183A Granted JPS59140180A (en) | 1983-01-29 | 1983-01-29 | Natsukuru arm in four-wheel vehicle suspension system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140180A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942666A (en) * | 1989-11-28 | 1990-07-24 | Chart Industries Ltd. | Apparatus for measuring camber, caster and steering axis inclination of a vehicle |
-
1983
- 1983-01-29 JP JP1211183A patent/JPS59140180A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59140180A (en) | 1984-08-11 |
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