JPH0127286B2 - - Google Patents
Info
- Publication number
- JPH0127286B2 JPH0127286B2 JP54044302A JP4430279A JPH0127286B2 JP H0127286 B2 JPH0127286 B2 JP H0127286B2 JP 54044302 A JP54044302 A JP 54044302A JP 4430279 A JP4430279 A JP 4430279A JP H0127286 B2 JPH0127286 B2 JP H0127286B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- pad
- rotor
- woven fabric
- caliper
- 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
- 230000001070 adhesive effect Effects 0.000 claims description 58
- 239000000853 adhesive Substances 0.000 claims description 57
- 239000002759 woven fabric Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 19
- 210000000078 claw Anatomy 0.000 claims description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
【発明の詳細な説明】
この発明は自動車の制動に用いられるデイスク
ブレーキに関し、制動時に発生する騒音(いわゆ
る鳴き)を防止して乗員等に不快感を与えること
のないデイスクブレーキを提供することを目的と
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a disc brake used for braking an automobile, and an object of the present invention is to provide a disc brake that prevents noise (so-called squeal) generated during braking and does not cause discomfort to passengers. purpose.
デイスクブレーキは第1図に示すように、車輪
とともに回転するロータ1を挾むサポート2に、
ロータ1を挾んで表裏1対のパツド3を表裏方向
(ロータ軸方向)の摺動自在に装着し、サポート
2の上部に、このサポート2に対して表裏方向に
摺動自在にキヤリパ4を取付けて構成している。
制動を行なう際には、キヤリパ4に内装したピス
トンにより一方のパツドをロータ1の片面に押圧
すると、その反作用としてキヤリパ4がサポート
2に対して少し摺動し、他方のパツド3をもキヤ
リパ爪4aを介してロータ1の他面に押圧し、ロ
ータ1を両面から強く挾持して摩擦力により制動
を行なう。 As shown in Figure 1, a disc brake has a support 2 that sandwiches a rotor 1 that rotates with the wheels.
A pair of pads 3 are attached to the rotor 1 so as to be slidable in the front and back directions (rotor axial direction), and a caliper 4 is attached to the top of the support 2 so as to be slidable in the front and back directions with respect to the support 2. It is composed of
When braking, when one pad is pressed against one side of the rotor 1 by the piston installed in the caliper 4, the caliper 4 slides a little against the support 2 as a reaction, and the other pad 3 is also pressed against the caliper claw. 4a to the other surface of the rotor 1, strongly clamping the rotor 1 from both sides and performing braking by frictional force.
ところが、このように構成され作用するデイス
クブレーキに於いては、制動時にしばしば鳴きと
呼ばれる騒音が発生し、乗員や歩行者等に不快感
を与えていた。 However, disc brakes constructed and operated in this manner often generate a noise called squeal during braking, which causes discomfort to passengers, pedestrians, and the like.
このような騒音が発生する原因は次のように考
えられている。即ち、デイスクブレーキのロータ
1は完全に平面的に回転する訳ではなく、少し左
右(ロータ軸方向)に振れるような形で回転する
ため、ロータ側面のパツド3のライニングと接触
する面はロータの回転にともなつてあたかも凹凸
があるようになる。このため、制動時にロータ側
面に当接するパツド3は凹凸に従つて少し揺動
し、この揺動によつて鳴きと呼ばれる騒音が発生
する。揺動により騒音が発生する機構は種々考え
られるが、例えばパツド3が長さ方向(ロータ1
の回転方向)に揺動した場合、第2図に示すよう
にパツド3の反アンカ側(ロータ1が矢印aで示
すように図中右から左に回転する場合、図中右
側)がロータ1に倒れかかると、このパツド3の
ライニング5の反アンカ側端面5aがロータ1の
側面に食い込むようになつてロータ側面を強く摺
れ合い、衝突音、摩擦音による騒音が発生する。
また、パツド3が第3〜4図に示すように幅方向
に揺動した場合、ライニング5の角とロータ1の
側面との衝突音、或はサポート2とパツド3の裏
金との摩擦音等が混じつた騒音が発生すると考え
られる。 The causes of such noise are thought to be as follows. In other words, the rotor 1 of the disc brake does not rotate completely flat, but rotates in a manner that swings slightly from side to side (in the rotor axis direction), so the surface that contacts the lining of the pad 3 on the side of the rotor is As it rotates, it becomes as if there are unevenness. Therefore, during braking, the pad 3 that comes into contact with the side surface of the rotor oscillates a little according to the unevenness, and this oscillation generates a noise called squeal. Various mechanisms can be considered to generate noise due to rocking, but for example, if the pad 3 is
When the pad 3 swings in the direction of rotation), as shown in FIG. When the pad 3 begins to fall down, the end surface 5a of the lining 5 of the pad 3 on the side opposite to the anchor bites into the side surface of the rotor 1, and the rotor side surfaces strongly rub against each other, causing noise due to collision sounds and friction sounds.
In addition, when the pad 3 swings in the width direction as shown in FIGS. 3 and 4, there is a collision sound between the corner of the lining 5 and the side surface of the rotor 1, or a friction sound between the support 2 and the back metal of the pad 3. It is thought that mixed noise will be generated.
本発明は上述のような騒音発生の原因となるパ
ツド3の揺動を、パツドのロータ軸方向の動きを
抑えることにより阻止し、騒音の発生を有効に防
止したデイスクブレーキを提供するものである。 The present invention provides a disc brake that effectively prevents the generation of noise by suppressing the movement of the pad 3 in the axial direction of the rotor to prevent the pad 3 from swinging, which causes noise as described above. .
以下、実施例を示す図面により本発明を説明す
る。 The present invention will be explained below with reference to drawings showing examples.
本発明のデイスクブレーキは、第5図a(粘着
剤を織布の両面に塗布した場合)、第5図b(粘着
剤を織布の片面のみに塗布した場合)に示すよう
に、粘着剤7を織布8の両面又は片面に塗布して
成る粘着性シム9をパツド3の裏金6の背面に貼
着したことを特徴としている。10は粘着剤7の
表面に貼着され、裏金6への貼着時に剥される剥
離紙である。 The disc brake of the present invention uses an adhesive, as shown in FIG. 5a (when the adhesive is applied to both sides of the woven fabric) and FIG. The pad 3 is characterized in that an adhesive shim 9 made by applying 7 on both sides or one side of a woven fabric 8 is attached to the back side of the back metal 6 of the pad 3. Reference numeral 10 denotes a release paper that is attached to the surface of the adhesive 7 and peeled off when it is attached to the back metal 6.
上述のような粘着性シム9は、パツド3をサポ
ート2に装着するのに先立つて内方(パツドに貼
着される側)の剥離紙10を除き、パツド3の裏
金6の背面にシム9を貼着してからこのパツド3
を第6図に示すようにサポート2に装着する。 Prior to attaching the pad 3 to the support 2, the adhesive shim 9 as described above is attached to the back side of the back metal 6 of the pad 3, excluding the inner release paper 10 (on the side to be pasted to the pad). After pasting this pad 3
is attached to the support 2 as shown in FIG.
粘着性シムを第6図に示すようにサポート2に
装着して(第5図aのように、外方にも剥離紙1
0を貼着した場合は、これも剥す)デイスクブレ
ーキを組立てた後制動を行なうと、ピストン11
の端面とキヤリパ爪4aの内側面(本明細書では
これらの面を作用面と呼ぶことにする。)とがそ
れぞれ粘着性シム9を介してパツドの裏金6に強
圧される。このため、この粘着性シム9の外面に
塗布した粘着剤7(両面塗布の場合)および織布
8の布目から漏出した粘着剤7(片面塗布の場
合)が、第7図に示すようにパツド3の裏金6と
キヤリパ爪4a,4a、或は裏金6とピストン1
1とを粘着させる。粘着剤7を織布8の両面に塗
布した場合も片面に塗布した場合も、粘着剤7
は、織布8の繊維に付着したり、織布の織目の間
の微小空間に進入してこの空間内に保持され、下
述のようにパツドの裏金と作用面とをゆるやかに
結合するようになる。粘着剤塗布を織布の両面に
行なえば粘着剤の織目への進入が早期に得られ
る。 Attach the adhesive shim to the support 2 as shown in Figure 6.
0 is pasted, remove it as well) When you brake after assembling the disc brake, the piston 11
and the inner surface of the caliper pawl 4a (these surfaces will be referred to as working surfaces in this specification) are each strongly pressed against the back metal 6 of the pad via the adhesive shim 9. For this reason, the adhesive 7 applied to the outer surface of the adhesive shim 9 (in the case of double-sided application) and the adhesive 7 leaked from the grains of the woven fabric 8 (in the case of single-sided application) are deposited on the pad as shown in FIG. 3, the back metal 6 and caliper claws 4a, 4a, or the back metal 6 and the piston 1
1 and stick together. Whether the adhesive 7 is applied to both sides of the woven fabric 8 or to one side, the adhesive 7
is attached to the fibers of the woven fabric 8 or enters into the minute space between the weaves of the woven fabric and is held within this space, and gently connects the backing metal and the working surface of the pad as described below. It becomes like this. If the adhesive is applied to both sides of the woven fabric, the adhesive can quickly penetrate into the weave.
このようにパツド3をキヤリパ爪4a,4a、
ピストン11に対して粘着させるため、制動時に
パツド3は粘着性シム9を介して作用面に粘着
し、ロータがその軸方向に振れながら回転して
も、これと共に揺動することが抑制され、この揺
動のためパツドが作用面から離れてロータ軸方向
に動き第2〜4図に示すようにパツド3の反アン
カ側がロータに強く食い込んだり強く摩擦したり
する事が防止され、従つて制動時に於ける鳴きの
発生が防止される。 In this way, attach the pad 3 to the caliper claws 4a, 4a,
Since the pad 3 is made to adhere to the piston 11, during braking, the pad 3 adheres to the working surface via the adhesive shim 9, and even if the rotor rotates while wobbling in its axial direction, it is suppressed from swinging together with the rotor. Due to this rocking, the pad moves away from the action surface and moves in the rotor axial direction, and as shown in Figures 2 to 4, the opposite side of the pad 3 from the anchor is prevented from strongly digging into the rotor or strongly rubbing against it, thus preventing the braking. Occasional squealing is prevented from occurring.
粘着剤7によるピストンやキヤリパ爪とパツド
との結合はゆるやかで、粘着剤は織布に拘束され
ながら微小量の移動ができるため、粘着剤の微小
移動によりパツドとピストン、キヤリパ爪との当
りが均等になるように自動調整が行なわれる。
又、上記のように粘着剤は、織布8内の空間や繊
維により保持されるので、制動時に粘着性シム9
がパツドの裏金とキヤリパ爪等の作用面との間で
強圧されて織布が圧縮されても、織布中には小さ
くなりながらもなお織目の空間が残存して粘着剤
はこの中に保持されるので、制動を解除した後も
粘着剤によるパツド裏金と作用面との粘着は十分
に行なわれる。 The adhesive 7 connects the piston and caliper pawl to the pad gently, and the adhesive can move a minute amount while being restrained by the woven fabric, so the minute movement of the adhesive causes the pad to come into contact with the piston and caliper pawl. Automatic adjustment is performed to ensure equality.
Furthermore, as mentioned above, since the adhesive is held by the spaces and fibers within the woven fabric 8, the adhesive shim 9 is removed during braking.
Even if the woven fabric is compressed by strong pressure between the backing metal of the pad and the working surface of the caliper claw, there will still be spaces in the woven fabric, albeit smaller, and the adhesive will be absorbed into these spaces. Therefore, even after the brake is released, the pad backing plate and the working surface are sufficiently adhered by the adhesive.
裏金と作用面との間から押出された少量の粘着
剤は、第7図にようにピストン11やキヤリパ爪
の縁に付着する小隆起を形成し、裏金とキヤリパ
爪等との結合に役立つている。このため制動解除
時にピストン等がパツドを伴なつてロータから離
れるので、制動解除後もロータとパツドとが接触
する、いわゆる引きずりが防止できる。 A small amount of adhesive extruded from between the back metal and the working surface forms a small bulge that adheres to the edge of the piston 11 and the caliper pawl, as shown in Figure 7, and serves to bond the back metal and the caliper pawl. There is. Therefore, when the brake is released, the piston and the like move away from the rotor together with the pads, so that it is possible to prevent the rotor from coming into contact with the pads even after the brake is released, which is called dragging.
更に、粘着性シム自体の有する弾性作用、振動
減衰作用のため、制動時に於けるパツド3、或は
キヤリパ爪4a,4a等の振動にともなう騒音も
防止できる。このためには、粘着性シム9の厚さ
は厚い程効果があるが、種々の事情に鑑み、実用
上は0.2〜1m/m程度の厚さにすることが望まし
い。 Further, due to the elastic action and vibration damping action of the adhesive shim itself, it is possible to prevent noise caused by vibrations of the pad 3 or the caliper pawls 4a, 4a, etc. during braking. For this purpose, the thicker the adhesive shim 9 is, the more effective it is, but in view of various circumstances, it is practically desirable to set the thickness to about 0.2 to 1 m/m.
本発明において使用する織布は、ポリエステ
ル、ポリイミド、ガラス等を原料としたものや、
これらにエポキシ樹脂を含浸させて耐熱性を向上
させたもの等が利用できる。 The woven fabrics used in the present invention include those made from polyester, polyimide, glass, etc.
These can be impregnated with epoxy resin to improve heat resistance.
粘着剤としては、半架橋(即ち半硬化)状態で
あり完全硬化しないがパツドを保持できる感圧型
のものが使用できる。これにはゴム系、アクリル
系、シリコン系等の樹脂がある。 As the adhesive, a pressure-sensitive adhesive that is semi-crosslinked (that is, semi-cured) and is not completely cured but can hold the pad can be used. This includes rubber-based, acrylic-based, silicone-based, and other resins.
この織布は、粘着剤と織布の繊維との付着力や
織布の織目の空間内に粘着剤を進入させることに
より、粘着剤が常にピストン等の作用面と裏金と
の当接部に存在するように粘着剤を保持する作用
をする。織布がないと、制動する毎に粘着剤が少
しずつ裏金と作用面との間から横に押出され、ま
たこの際にパツドと作用面とに微小横ずれを繰返
すため、粘着剤が次第に作用面から横に押しのけ
られてしまい、遂には裏金、作用面間に粘着剤が
存在しなくなつて所期の粘着作用が得られなくな
つてしまうことになる。本考案においては、粘着
剤を織布に塗布した粘着性シムを使用するため、
粘着剤が作用面から横に押出されたり粘着作用が
悪くなることがない。 This woven fabric uses the adhesion force between the adhesive and the fibers of the woven fabric and the penetration of the adhesive into the spaces between the weaves of the woven fabric, so that the adhesive always stays in contact with the working surface of the piston etc. and the back metal. It acts to hold the adhesive as it exists in the. Without the woven fabric, each time you brake, the adhesive would be pushed out sideways little by little from between the backing metal and the working surface, and at this time, the pad and the working surface would repeatedly shift minutely laterally, so the adhesive would gradually move away from the working surface. As a result, the adhesive is no longer present between the back metal and the working surface, and the desired adhesive effect cannot be obtained. In this invention, adhesive shims with adhesive applied to woven fabric are used, so
The adhesive will not be pushed out sideways from the working surface and the adhesive will not deteriorate.
又、パツドの裏金に粘着剤を直接塗布するには
特別な塗布装置が必要となるが、本考案ではあら
かじめ織布に粘着剤を塗布するため、パツドに直
接粘着剤を塗布する作業は不要であり、粘着剤を
塗布し剥離紙を貼着した粘着性シムを補修用品と
して市販し、ブレーキ騒音が発生した場合に修理
工場でこれをパツドに貼着するように使用するこ
とができる。この外に、織布に粘着剤を塗布し剥
離紙を貼着しておけば、べたつくことなく取扱え
るので、裏金への貼着作業や、補修用品としての
取扱いが容易になる。織布への粘着剤塗布は、片
面だけでもよいが、両面に塗布し剥離紙を両面に
貼着しておけば、取扱いが容易であると共に、作
用面と裏金との粘着を早期に行なわせる効果があ
る。 Additionally, a special applicator is required to apply adhesive directly to the backing of the pad, but with this invention, the adhesive is applied to the woven fabric in advance, so there is no need to apply adhesive directly to the pad. Adhesive shims coated with adhesive and lined with release paper are commercially available as repair products, and can be used at repair shops to attach to pads when brake noise occurs. In addition, if the woven fabric is coated with an adhesive and a release paper is attached, it can be handled without becoming sticky, making it easier to attach it to the back metal and handle it as a repair item. The adhesive may be applied to only one side of the woven fabric, but if it is applied to both sides and release paper is pasted on both sides, it is easier to handle and the adhesive between the working surface and the back metal can be established quickly. effective.
なお、ガラス繊維織布に耐熱性ゴム系接着剤を
含浸させた弾性シム板をパツドの裏金に重ねる鳴
き防止装置が、実願昭53−107284号(実開昭55−
24548号)に記載されているが、これに使用され
るゴム系接着剤は、硬化して固体ゴムとなるもの
であつて、これに組込まれたガラス繊維織布が制
動時の加圧力を支持して硬化した接着剤が過度に
圧縮されるのを防止し、制動解除時には、固化し
た接着剤の弾性で引きずり現象を回避するという
ものであり、本発明とは相違するものである。 In addition, a squeal prevention device in which an elastic shim board made of woven glass fiber impregnated with a heat-resistant rubber adhesive is placed on the back metal of the pad is proposed in Utility Model Application No. 107284 (1983).
No. 24548), the rubber adhesive used for this hardens into a solid rubber, and the glass fiber woven fabric incorporated into it supports the pressure applied during braking. This method is different from the present invention in that it prevents the hardened adhesive from being excessively compressed, and when the brake is released, the elasticity of the hardened adhesive avoids the dragging phenomenon.
本発明は以上に述べた通り、パツドの裏面とパ
ツドを押圧する作用面との間に、織布の両面又は
片面に粘着剤を塗布した粘着性シムを介在させ、
制動時に於けるパツドの揺動を制限したため、パ
ツドの揺動にともなう鳴きの発生が有効に防止で
きる。 As described above, the present invention interposes an adhesive shim coated with an adhesive on both or one side of a woven fabric between the back surface of the pad and the working surface that presses the pad,
Since the swinging of the pads during braking is restricted, it is possible to effectively prevent the occurrence of squealing due to the swinging of the pads.
第1図は本発明が実施されるデイスクブレーキ
の1例を示す正面図、第2図はパツドの長さ方向
の揺動を示す第1図のA−A断面図、第3〜4図
はパツドの幅方向の揺動を示し、第3図は第2図
同様の断面図、第4図は第3図のB−B断面図、
第5〜7図は本発明の実施例を示し、第5図aは
織布の両面に粘着剤を塗布したシムとパツドとの
貼着前の斜視図、第5図bは粘着剤塗布を片面の
みとした場合の同様の斜視図、第6〜7図は粘着
性シムを塗布したパツドの組付け状態を示し、第
6図は組付け直後、第7図は制動後を示すそれぞ
れ第1図のA−A断面図である。
1:ロータ、2:サポート、3:パツド、4:
キヤリパ、4a:爪、5:ライニング、6:裏
金、7:粘着剤、8:織布、9:粘着性シム、1
0:剥離紙、11:ピストン。
FIG. 1 is a front view showing an example of a disc brake in which the present invention is implemented, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1 showing the longitudinal movement of the pad, and FIGS. Fig. 3 is a sectional view similar to Fig. 2, Fig. 4 is a BB sectional view of Fig. 3,
Figures 5 to 7 show examples of the present invention; Figure 5a is a perspective view of a shim and pad with adhesive applied to both sides of the woven fabric before being attached; Figure 5b is a perspective view of the pad before adhesive is applied. Similar perspective views when only one side is used, Figures 6 and 7 show the assembled state of the pad coated with adhesive shims, Figure 6 shows the pad immediately after assembly, and Figure 7 shows the state after braking, respectively. It is an AA sectional view of the figure. 1: Rotor, 2: Support, 3: Padded, 4:
Caliper, 4a: Nail, 5: Lining, 6: Back metal, 7: Adhesive, 8: Woven fabric, 9: Adhesive shim, 1
0: release paper, 11: piston.
Claims (1)
ツド3を、このサポート2に係合したキヤリパ4
に内嵌したピストン11およびキヤリパ爪4aに
より、車輪とともに回転するロータ1の側面に押
圧して制動を行なうデイスクブレーキに於いて、
前記パツド3をロータ1の側面に押圧するピスト
ンおよびキヤリパ爪の作用面の少なくとも一方
と、パツド3の裏金6の裏面との間に、織布8の
少なくとも片面に硬化しない感圧型の粘着剤7を
塗布して成る粘着性シム9を介在させたことを特
徴とするデイスクブレーキ。1 A pair of pads 3 that are slidably held on a support 2 are attached to a caliper 4 that is engaged with this support 2.
In a disc brake that performs braking by pressing the side surface of the rotor 1 that rotates together with the wheel, using a piston 11 and a caliper pawl 4a that are fitted into the disc brake,
A pressure-sensitive adhesive 7 that does not harden is placed on at least one side of the woven fabric 8 between at least one of the working surfaces of the piston and caliper claw that presses the pad 3 against the side surface of the rotor 1 and the back surface of the back metal 6 of the pad 3. A disc brake characterized by interposing an adhesive shim 9 formed by coating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4430279A JPS55139530A (en) | 1979-04-13 | 1979-04-13 | Disk brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4430279A JPS55139530A (en) | 1979-04-13 | 1979-04-13 | Disk brake |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55139530A JPS55139530A (en) | 1980-10-31 |
JPH0127286B2 true JPH0127286B2 (en) | 1989-05-29 |
Family
ID=12687697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4430279A Granted JPS55139530A (en) | 1979-04-13 | 1979-04-13 | Disk brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139530A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57181937U (en) * | 1981-05-14 | 1982-11-18 | ||
JPS57181938U (en) * | 1981-05-14 | 1982-11-18 | ||
US5762166A (en) * | 1996-03-29 | 1998-06-09 | Nichias Corporation | Shim for preventing brake squeal in a disk brake |
JP5343712B2 (en) * | 2009-06-03 | 2013-11-13 | トヨタ自動車株式会社 | Pad return mechanism and disc brake device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54141956A (en) * | 1978-04-24 | 1979-11-05 | Aisin Seiki Co Ltd | Disc brake |
JPS5524548B2 (en) * | 1974-05-15 | 1980-06-30 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5524548U (en) * | 1978-08-04 | 1980-02-16 |
-
1979
- 1979-04-13 JP JP4430279A patent/JPS55139530A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5524548B2 (en) * | 1974-05-15 | 1980-06-30 | ||
JPS54141956A (en) * | 1978-04-24 | 1979-11-05 | Aisin Seiki Co Ltd | Disc brake |
Also Published As
Publication number | Publication date |
---|---|
JPS55139530A (en) | 1980-10-31 |
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