JPH0447186B2 - - Google Patents
Info
- Publication number
- JPH0447186B2 JPH0447186B2 JP59019109A JP1910984A JPH0447186B2 JP H0447186 B2 JPH0447186 B2 JP H0447186B2 JP 59019109 A JP59019109 A JP 59019109A JP 1910984 A JP1910984 A JP 1910984A JP H0447186 B2 JPH0447186 B2 JP H0447186B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- recess
- plate
- clutch
- slip
- 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
- 239000003921 oil Substances 0.000 description 31
- 239000010687 lubricating oil Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003068 static effect 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/74—Features relating to lubrication
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
- F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
- F16D7/027—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs with multiple lamellae
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Mechanical Operated Clutches (AREA)
- Braking Arrangements (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はクラツチ板間における潤滑油の保持性
およびクラツチ板間に対する潤滑油の供給能力を
増大させることによつて、クラツチ板間の面間摩
擦にもとづいて発生するステイツク・スリツプ現
象による振動騒音を防止した滑り制限差動装置に
関する。Detailed Description of the Invention (Field of Industrial Application) The present invention improves the ability to retain lubricating oil between the clutch plates and the ability to supply the lubricating oil between the clutch plates. This invention relates to a slip-limiting differential device that prevents vibration noise caused by the stick-slip phenomenon caused by friction.
（従来技術）
従来の滑り制限差動装置として、例えば第１図
イに示すようなものがあり、ドライブピニオンか
らリングギヤを介して駆動されるデフケース１
と、テブケース１とともに回転するピニオンシヤ
フト２と、ピニオンシヤフト２に回転的に取付け
られたピニオンギヤ３と、車軸７とスプライン結
合したサイドギヤ４と、デフケース１とサイギヤ
４の間に位置する第１と第２のクラツチ板５，６
（第１のクラツチ板５のラグ部５ａはサイドギヤ
４の外周に係合し、第２のクラツチ板６のラグ部
６ａはデフケース１に係合する）とを有する。ま
た、従来のクラツチ板としては、例えば第１図
ロ，ハ，ニに示すように板面上に螺旋状或いは放
射状の油溝８が形成されている。デフケース１の
外側には図示しないデフキヤリアが配設され滑り
制限差動装置全体を包囲状態で保持している。デ
フキヤリア内には潤滑油が封入され、デフケース
１に形成された孔、隙間等を介して滑り制限差動
装置の内外が連通されているため、潤滑油は装置
の内部へ出入自在となつている。(Prior Art) As a conventional slip-limiting differential, there is, for example, the one shown in Fig. 1A, in which a differential case 1 is driven from a drive pinion via a ring gear.
, a pinion shaft 2 rotating together with the differential case 1, a pinion gear 3 rotatably attached to the pinion shaft 2, a side gear 4 spline-coupled to the axle 7, and a first and a second side gear located between the differential case 1 and the side gear 4. 2 clutch plates 5, 6
(The lug portion 5a of the first clutch plate 5 engages with the outer periphery of the side gear 4, and the lug portion 6a of the second clutch plate 6 engages with the differential case 1.) Furthermore, as shown in FIG. 1B, C, and D, for example, a conventional clutch plate has a spiral or radial oil groove 8 formed on the plate surface. A differential carrier (not shown) is disposed outside the differential case 1 and holds the entire slip-limiting differential in an enclosed state. Lubricating oil is sealed inside the differential carrier, and the inside and outside of the slip-limiting differential are communicated through holes, gaps, etc. formed in the differential case 1, so the lubricating oil can freely enter and exit the inside of the device. .
以上の構成においてトルクフローとしては、図
示しないドライブピニオンからリングギヤを介し
て入力されるトルクがデフケース１に伝達される
と、このデフケース１に働く回転力によりこれと
嵌合されているピニオンシヤフト２も回転し、こ
の回転力がピニオンシヤフト２に嵌合されている
ピニオンギヤ３、ピニオンギヤ３に噛合うサイギ
ヤ４、及びクラツチ板５，６に伝達される。そし
てクラツチ板５，６はトルクのバイパスとなつて
そのトルク容量に見合う分だけ低速側車軸７が多
くなるようトルクを伝える。これにより、牽引能
力や走行の安定性等を向上できる。 In the above configuration, the torque flow is such that when torque input from a drive pinion (not shown) via the ring gear is transmitted to the differential case 1, the rotational force acting on the differential case 1 also causes the pinion shaft 2 fitted therewith to be transmitted to the differential case 1. The rotating force is transmitted to the pinion gear 3 fitted to the pinion shaft 2, the side gear 4 meshing with the pinion gear 3, and the clutch plates 5 and 6. The clutch plates 5 and 6 serve as torque bypasses and transmit torque to the low-speed axle 7 by an amount commensurate with its torque capacity. Thereby, the traction ability, running stability, etc. can be improved.
しかし従来の滑り制限差動装置にあつては、サ
イドギヤ４とデフケース１との間にクラツチ板
５，６が設けられており、クラツチ板の表面は平
滑面仕上げされている。そのためかえつて摺動面
間への潤滑油の供給が難しく、油膜切れし易いの
で、摺動面が摩耗進行し性能低下をきたすととも
に、クラツチ板５，６の面間摩擦によるステイツ
ク・スリツプ現象が発生し、タイヤと車軸７がば
ね系として共振し、トルクの蓄積と放出の繰り返
しにより、クラツチ板５，６の振動がデフケース
１等に伝達されて異音を発生する恐れがある。そ
してこの異音により乗員に不快感を与えるという
問題が生じる。 However, in the conventional limited-slip differential, clutch plates 5 and 6 are provided between the side gear 4 and the differential case 1, and the surfaces of the clutch plates are finished with a smooth surface. As a result, it is difficult to supply lubricating oil between the sliding surfaces, and the oil film easily runs out, leading to progressive wear on the sliding surfaces and deterioration of performance, as well as the stick-slip phenomenon caused by friction between the surfaces of the clutch plates 5 and 6. This causes the tires and axle 7 to resonate as a spring system, and due to the repeated accumulation and release of torque, the vibrations of the clutch plates 5 and 6 may be transmitted to the differential case 1 etc., causing abnormal noise. A problem arises in that this abnormal noise causes discomfort to the occupants.
なお、ここで言うステツク・スリツプ現象とは
接触面間の摩擦を考えた時に、二面間での付着時
の静摩擦と滑り時の動摩擦により発生するもので
あり、これが振動を生成することになる。 Furthermore, when considering the friction between contact surfaces, the step-slip phenomenon referred to here is caused by the static friction when two surfaces adhere and the kinetic friction when they slide, and this generates vibration. .
また、第１図イ，ロ，ハに示したクラツチ板を
用いた滑り制限差動装置にあつては、装置の停止
時に油溝８内にいつたん導入された潤滑油は、装
置が駆動開始するとクラツチ板の加圧開始当初は
クラツチ板同志の摺動接触によつてクラツチ板の
板面上に展開されて油膜を形成するが、装置が連
続的に作動を継続すると油溝８内に新たな油の供
給が行われなくなるばかりか、遠心力によつて油
溝８内の潤滑油及び油膜を構成する潤滑油が急速
に流出離散し、前記ステイツク・スリツプ現象が
発生する恐れがある。 In addition, in the case of a slip-limiting differential device using a clutch plate shown in Fig. 1 A, B, and C, the lubricating oil once introduced into the oil groove 8 when the device is stopped is used when the device starts driving. Then, at the beginning of applying pressure to the clutch plate, an oil film is developed on the plate surface of the clutch plate due to the sliding contact between the clutch plates, but as the device continues to operate continuously, a new oil film is formed in the oil groove 8. Not only will the oil not be properly supplied, but also the lubricating oil in the oil groove 8 and the lubricating oil constituting the oil film will rapidly flow out and disperse due to centrifugal force, leading to the risk of the aforementioned stick-slip phenomenon occurring.
（発明の目的および構成）
本発明は上記に鑑みてなされたものであり、ク
ラツチ板加圧時にクラツチ板同志の面間摩擦によ
つて起こるステイツク・スリツプ現象による振動
を防止するため、クラツチ板の板面上に油保持用
の凹所と、該凹所を油溝と交差するように配設し
て潤滑油の保持容量及びクラツチ板同志の接触面
に対する潤滑油の供給力を増大させるとともに油
膜を形成するようにした滑り制限差動装置を提供
するものである。(Objects and Structure of the Invention) The present invention has been made in view of the above, and is intended to prevent vibrations due to the stay-slip phenomenon caused by friction between the surfaces of the clutch plates when the clutch plates are pressurized. A recess for retaining oil is provided on the plate surface, and the recess is arranged to intersect with the oil groove to increase the lubricating oil holding capacity and the lubricating oil supply force to the contact surfaces of the clutch plates, as well as to prevent an oil film. The present invention provides a limited-slip differential device configured to form a slip-limiting differential.
（実施例）
以下に本発明の滑り制限差動装置について説明
する。なお、第１図イを併せて参照する。(Example) A slip-limiting differential device of the present invention will be described below. In addition, please also refer to FIG. 1A.
第２図イ，ロは本発明の滑り制限差動装置のク
ラツチ板の構成説明図であり、クラツチ板５（ク
ラツチ板６であつても良い）の片面上または両面
上には潤滑油保持用の凹所１０が板面全体にわた
つて形成され、該凹所１０と交差するように油溝
１１が放射線状に形成されている。凹所１０は第
２図ロに示すように、油溝１１より深底かつ幅広
で十分な容量を有した角錐状の穴として構成し、
角凹所１０は１または２以上の油溝１１と交差し
ている。油溝１１は板面の内径側縁部から外径側
縁部にわたつて延在しているため、凹所１０は油
溝１１を介してクラツチ板の内径側及び外径側と
連通状態にある。 Figures 2A and 2B are explanatory diagrams of the structure of the clutch plate of the slip-limiting differential of the present invention, and a lubricating oil retainer is provided on one or both sides of the clutch plate 5 (which may also be the clutch plate 6). A recess 10 is formed over the entire plate surface, and oil grooves 11 are formed radially to intersect with the recess 10. As shown in FIG. 2B, the recess 10 is configured as a pyramid-shaped hole that is deeper and wider than the oil groove 11 and has sufficient capacity.
The corner recess 10 intersects with one or more oil grooves 11. Since the oil groove 11 extends from the inner diameter side edge of the plate surface to the outer diameter side edge, the recess 10 is in communication with the inner diameter side and the outer diameter side of the clutch plate via the oil groove 11. be.
また、凹所１０及び油溝１１はクラツチ板５，
６の相接する板面の一方または双方に形成され
る。 Further, the recess 10 and the oil groove 11 are connected to the clutch plate 5,
6 is formed on one or both of the adjacent plate surfaces.
以上の構成において、滑り制限差動装置の作動
停止時にデフキヤリア内の潤滑油は該装置の下部
を浸しているのでデフケースの孔や該装置の各部
品の隙間を通つてクラツチ板５，６間に浸入し
て、クラツチ板の板面上、凹所１０内及び油溝１
１内に供給される。滑り制限差動装置が作動を開
始すると、遠心力が発生し、またクラツチ板５，
６間に面間摺動が行われ、板面上の油膜を形成す
る潤滑油は流出離散されようとするが、凹所１０
内および油溝１１内に充たされた潤滑油はクラツ
チ板５，６の摺動時に板面上に徐々に供給補充さ
れながら外周方向へ流れるため、油膜は保持され
る。第３図イ，ロは凹所１０内に潤滑油が板面上
に供給される原理の説明図であり、一方のクラツ
チ板５に形成された凹所１０は錐状であるため、
クラツチ板５，６の板面５ａ，５ｂ間を矢印方向
へ押し寄せた潤滑油は凹所１０内に流入して凹所
１０内の潤滑油の圧力を第３図ロの斜線部分で示
す圧力分布のように高める。圧力が高められた凹
所内の潤滑油は斜面１０ａに沿つて上昇しクラツ
チ板５，６の面間間隙へ押出されてゆく。このよ
うな凹所１０から板面上への潤滑油補給作用によ
つて、板面上に油膜が保持される。特に角錐状に
凹所を形成した場合、頂部に最も高い圧力として
集約できるので潤滑油の供給能力に効果的であ
る。 In the above configuration, when the slip-limiting differential device stops operating, the lubricating oil in the differential carrier soaks the lower part of the device, so it passes through the hole in the differential case and the gaps between the various parts of the device and between the clutch plates 5 and 6. It penetrates onto the plate surface of the clutch plate, inside the recess 10 and oil groove 1.
Supplied within 1. When the slip-limiting differential starts operating, centrifugal force is generated and the clutch plates 5,
Surface-to-surface sliding occurs between the recesses 10 and lubricating oil that forms an oil film on the plate surface attempts to flow out and be dispersed.
The lubricating oil filled in the inner and oil grooves 11 is gradually replenished onto the plate surfaces when the clutch plates 5, 6 slide and flows toward the outer periphery, so that the oil film is maintained. 3A and 3B are explanatory diagrams of the principle of supplying lubricating oil onto the plate surface in the recess 10. Since the recess 10 formed in one clutch plate 5 is conical,
The lubricating oil pushed between the plate surfaces 5a and 5b of the clutch plates 5 and 6 in the direction of the arrow flows into the recess 10, and the pressure of the lubricating oil in the recess 10 is shown by the shaded area in FIG. Increase like. The lubricating oil in the recess with increased pressure rises along the slope 10a and is pushed out into the gap between the surfaces of the clutch plates 5 and 6. An oil film is maintained on the plate surface by the replenishment of lubricating oil from the recess 10 onto the plate surface. In particular, when the recess is formed in the shape of a pyramid, the highest pressure can be concentrated at the top, which is effective in increasing the lubricating oil supply ability.
また、凹所１０内に対する潤滑油の補給は、デ
フキヤリアの底部に停溜している潤滑油にクラツ
チ板５，６の一部が浸漬したとき、油溝１１や隙
間から行われる。 Further, lubricating oil is replenished into the recess 10 through the oil groove 11 or the gap when a portion of the clutch plates 5, 6 is immersed in the lubricating oil stored at the bottom of the differential carrier.
（発明の効果）
以上のように本発明の滑り制限差動装置によれ
ば、クラツチ板の板面上に油保持用の凹所を形成
し、また該凹所を油溝と交差するように配設し
て、潤滑油の保持容量及びクラツチ板同志の接触
面に対する潤滑油の供給力を増大させるとともに
油膜を形成するため、クラツチ板加圧時にクラツ
チ板同志の面間摩擦によつて起こるステツク・ス
リツプ現象による振動の発生を防止することがで
きる。また、凹所の形状を傾斜面を有するように
形成すれば、凹所へ押し寄せた油が該斜面に沿つ
て上昇し、クラツチ板面間へ押し出されので、さ
らに供給能力を向上させることが可能となる。(Effects of the Invention) As described above, according to the slip limiting differential of the present invention, a recess for oil retention is formed on the plate surface of the clutch plate, and the recess is arranged to intersect with the oil groove. In order to increase the lubricating oil holding capacity and the supply force of lubricating oil to the contact surfaces of the clutch plates, and to form an oil film, it is possible to reduce the friction caused by the friction between the surfaces of the clutch plates when the clutch plates are pressurized.・Vibration caused by slip phenomenon can be prevented. Additionally, if the recess is formed to have an inclined surface, the oil pushed into the recess will rise along the slope and be pushed out between the clutch plate surfaces, making it possible to further improve the supply capacity. becomes.
第１図イは従来の滑り制限差動装置の構成説明
図、第１図ロ，ハは従来のクラツチ板の構成説明
図、第１図ニは油溝の拡大断面図、第２図イ及び
ロは本発明の滑り制限差動装置のクラツチ板の構
成説明図及び凹所の拡大断面図、第３図イ，ロは
凹所内の潤滑油が板面上に供給される原理の説明
図。
符号の説明、１……デフケース、２……ピニオ
ンシヤフト、３……ピニオンギヤ、４……サイド
ギヤ、５，６……クラツチ板、５ａ，６ａ……ラ
グ部、５ｂ，６ｂ……板面、７……車軸、８……
油溝、１０……凹所、１０ａ……斜面、１１……
油溝。
Figure 1A is an explanatory diagram of the configuration of a conventional slip-limiting differential, Figure 1B and C are explanatory diagrams of the configuration of a conventional clutch plate, Figure 1D is an enlarged sectional view of an oil groove, and Figures 2A and 2C are explanatory diagrams of the configuration of a conventional clutch plate. 3B is an explanatory view of the structure of the clutch plate of the slip-limiting differential device of the present invention and an enlarged sectional view of the recess; FIGS. Explanation of symbols, 1...Differential case, 2...Pinion shaft, 3...Pinion gear, 4...Side gear, 5, 6...Clutch plate, 5a, 6a...Lug portion, 5b, 6b...Plate surface, 7 ...Axle, 8...
Oil groove, 10... recess, 10a... slope, 11...
oil groove.
Claims (1)
ンシヤフトと、 前記ピニオンシヤフトに回転自在に取付けられ
たピニオンギヤと、 前記ピニオンギヤと噛み合うとともに、車軸に
スプライン結合されたサイドギヤと、 前記サイドギヤと前記デフケースとの間に、交
互に配設され、前記サイドギヤと一体的に回転す
る複数の第１のクラツチ板と、前記デフケースと
一体的に回転する複数の第２のクラツチ板とを有
し、 潤滑油が、前記第１のクラツチ板と前記第２の
クラツチ板との隣接して相対する板面間の間〓に
油膜を形成する滑り制限作動装置において、 前記第１のクラツチ板と前記第２のクラツチ板
との隣接して相対する板面の少なくとも一方の板
面は、 前記板面の略全面に渡つて形成された角錐状の
穴である複数の凹所と、 前記板面の内径側縁部から外径側縁部に形成さ
れた複数の油溝とを有し、 前記凹所は、前記油溝の少なくとも一つと連通
していることを特徴とする滑り制限作動装置。 ２ 前記凹所と前記油溝とは、前記相対する板面
の両方の板面に形成されている特許請求の範囲第
１記載の滑り制限作動装置。 ３ 前記凹所は、前記油溝より深い深さと、広い
幅とを有する特許請求の範囲第１項または第２項
記載の滑り制限差動装置。 ４ 前記凹所は、複数の前記油溝と連通している
特許請求の範囲第１項、第２項または第３項記載
の滑り制限差動装置。[Scope of Claims] 1. A pinion shaft that rotates integrally with the differential case; a pinion gear that is rotatably attached to the pinion shaft; a side gear that meshes with the pinion gear and is spline-coupled to the axle; and the side gear and the a plurality of first clutch plates that are alternately arranged between the differential case and rotate integrally with the side gear, and a plurality of second clutch plates that rotate integrally with the differential case; A slip-limiting actuation device in which oil forms an oil film between adjacent opposing plate surfaces of the first clutch plate and the second clutch plate, wherein the first clutch plate and the second clutch plate At least one of the adjacent plate surfaces facing the clutch plate has a plurality of recesses that are pyramid-shaped holes formed over substantially the entire surface of the plate surface, and an inner diameter side of the plate surface. a plurality of oil grooves formed from an edge to an outer diameter side edge; and the recess is in communication with at least one of the oil grooves. 2. The slip limiting actuation device according to claim 1, wherein the recess and the oil groove are formed on both of the opposing plate surfaces. 3. The limited slip differential according to claim 1 or 2, wherein the recess has a deeper depth and a wider width than the oil groove. 4. The limited slip differential according to claim 1, 2 or 3, wherein the recess communicates with a plurality of the oil grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1910984A JPS60164047A (en) | 1984-02-02 | 1984-02-02 | Slip limiting type differential gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1910984A JPS60164047A (en) | 1984-02-02 | 1984-02-02 | Slip limiting type differential gear device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60164047A JPS60164047A (en) | 1985-08-27 |
| JPH0447186B2 true JPH0447186B2 (en) | 1992-08-03 |
Family
ID=11990307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1910984A Granted JPS60164047A (en) | 1984-02-02 | 1984-02-02 | Slip limiting type differential gear device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60164047A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2993392A1 (en) | 2014-08-25 | 2016-03-09 | Stanley Electric Co., Ltd. | Lens member and vehicle lighting unit |
| EP3109542A1 (en) | 2015-06-17 | 2016-12-28 | Stanley Electric Co., Ltd. | Lens body and vehicle lighting fixture |
| EP3181992A1 (en) | 2015-12-15 | 2017-06-21 | Stanley Electric Co., Ltd. | Lens body and lighting tool for vehicle |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772574B2 (en) * | 1986-08-07 | 1995-08-02 | 愛知製鋼株式会社 | Grooved clutch plate for limited slip differential |
| JPH0784143B2 (en) * | 1987-09-29 | 1995-09-13 | アイシン・エィ・ダブリュ株式会社 | Wet clutch plate manufacturing method |
| EP0466783B1 (en) * | 1989-04-14 | 1998-03-18 | Vysarn Pty Ltd | Torque regulating device |
| DE69032160T2 (en) * | 1989-04-14 | 1998-11-12 | Vysarn Pty Ltd | TORQUE CONTROL ARRANGEMENT |
| JP4297308B2 (en) * | 2000-04-13 | 2009-07-15 | アイシン化工株式会社 | Wet friction member |
| KR100477515B1 (en) * | 2002-04-16 | 2005-03-18 | (주) 엠엔테크 | Friction Plate Type Limited Slip Differential for Vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335351B2 (en) * | 1974-03-02 | 1978-09-26 | ||
| JPS5639634B2 (en) * | 1977-12-15 | 1981-09-14 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335351U (en) * | 1976-08-31 | 1978-03-28 | ||
| JPS5639634U (en) * | 1979-09-05 | 1981-04-13 | ||
| JPS57130039U (en) * | 1981-02-09 | 1982-08-13 |
-
1984
- 1984-02-02 JP JP1910984A patent/JPS60164047A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335351B2 (en) * | 1974-03-02 | 1978-09-26 | ||
| JPS5639634B2 (en) * | 1977-12-15 | 1981-09-14 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2993392A1 (en) | 2014-08-25 | 2016-03-09 | Stanley Electric Co., Ltd. | Lens member and vehicle lighting unit |
| EP3109542A1 (en) | 2015-06-17 | 2016-12-28 | Stanley Electric Co., Ltd. | Lens body and vehicle lighting fixture |
| EP3181992A1 (en) | 2015-12-15 | 2017-06-21 | Stanley Electric Co., Ltd. | Lens body and lighting tool for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60164047A (en) | 1985-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |