JPS6358154B2 - - Google Patents
Info
- Publication number
- JPS6358154B2 JPS6358154B2 JP55074517A JP7451780A JPS6358154B2 JP S6358154 B2 JPS6358154 B2 JP S6358154B2 JP 55074517 A JP55074517 A JP 55074517A JP 7451780 A JP7451780 A JP 7451780A JP S6358154 B2 JPS6358154 B2 JP S6358154B2
- Authority
- JP
- Japan
- Prior art keywords
- power unit
- link
- vehicle body
- unit
- engine
- 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 description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 description 15
- 239000005060 rubber Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 241001247986 Calotropis procera Species 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Description
【発明の詳細な説明】
本発明は自動二輪車のパワーユニツト懸架装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power unit suspension system for a motorcycle.
更に詳細には、パワーユニツトを車体側に懸架
するリンク及びリヤクツシヨンユニツトの各中心
線を平行、或は路面に向つて収束する方向とし、
リンク、リヤクツシヨンユニツト、パワーユニツ
トで擬似平行四辺形を形成し、振動低減、追従性
向上、乗心地性向上を図つた懸架装置に関する。 More specifically, the center lines of the link and rear suspension unit that suspend the power unit on the vehicle body are parallel to each other, or are convergent toward the road surface,
This invention relates to a suspension system in which a link, a rear action unit, and a power unit form a pseudo parallelogram to reduce vibration, improve followability, and improve riding comfort.
エンジン、エンジン動力伝達手段を内装したケ
ースを一体化し、これを車体側に揺動自在に枢着
し、懸架装置の一部を構成するようにしたパワー
ユニツトスイング機構は自動二輪車の駆動、懸架
装置として採用されている。 The power unit swing mechanism is a drive and suspension system for motorcycles, which integrates a case containing the engine and engine power transmission means, and pivots it to the vehicle body so that it can swing freely, forming part of the suspension system. It is adopted as.
この種パワーユニツトスイング機構は、エンジ
ン側前部が車体に枢着され、後部がリヤクツシヨ
ンユニツトを介して車体に枢着され、エンジンの
運転に伴う振動が車体に伝達されること、走行中
の路面凹突に起因する後車論を経た路面反力等が
パワーユニツトに引張力等として働き、これが車
体に伝達され、乗心地性を阻害する。 In this type of power unit swing mechanism, the front part on the engine side is pivotally connected to the vehicle body, and the rear part is pivotally connected to the vehicle body via a rear suspension unit, so that vibrations caused by engine operation are transmitted to the vehicle body. The road reaction force generated by the rear vehicle due to the bumps in the road acts on the power unit as a tensile force, which is transmitted to the vehicle body and impedes ride comfort.
以上を改善すべく従来から車体とパワーユニツ
トとをリンクで結んだり、この間に弾性体を介在
させたものが提案されているが、エンジン振動の
効果的な抑制と、路面凹突に対するパワーユニツ
ト、車輪の追従性をともに満足させるようにした
ものを得ることは難かしい。 In order to improve the above-mentioned problems, it has been proposed to connect the vehicle body and power unit with a link or to interpose an elastic body between them. It is difficult to obtain a vehicle that satisfies both wheel followability.
本発明者等は自動二輪車のパワーユニツト懸架
装置の以上の如き問題を解決すべく本発明をなし
たもので、その目的は、パワーユニツト前部と車
体とを揺動自在に枢着する上下の枢着部の中心線
とパワーユニツト後部と車体とを繋ぐリヤクツシ
ヨンユニツトの中心線を平行、或は路面に向つて
収束する方向として夫々を前傾させ、リンク、リ
ヤクツシヨンユニツト、パワーユニツトで擬似平
行四辺形を形成する如くし、エンジン振動の車体
への伝達抑止、パワーユニツト、車輪の路面に対
する追従性の向上等を図り、乗心地性向上を図つ
た自動二輪車のパワーユニツト懸架装置を提供す
るにある。 The present inventors have devised the present invention in order to solve the above-mentioned problems with power unit suspension systems for motorcycles. The center line of the pivot part and the center line of the rear action unit connecting the rear part of the power unit and the vehicle body are made parallel or in a direction that converges toward the road surface, and the links, rear action unit, and power unit are tilted forward. A power unit suspension system for a motorcycle is designed to form a pseudo-parallelogram in the form of a pseudo-parallelogram, thereby suppressing the transmission of engine vibration to the vehicle body, improving the ability of the power unit and wheels to follow the road surface, and improving riding comfort. It is on offer.
次に本発明の好適一実施例を添付図面に従つて
詳述する。 Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
第１図は自動二輪車の後部の側面図で、前部は
既知であるため省略する。自動二輪車１のメイン
フレーム２後部には湾曲した逆Ｌ型のリヤフレー
ム３が上方に、且つ後方に湾曲して延出され、こ
の上にシート４が付設され、囲りはボデイフレー
ム５及びリヤフエンダ６で囲まれる。 FIG. 1 is a side view of the rear part of the motorcycle, and the front part is omitted because it is already known. At the rear of the main frame 2 of the motorcycle 1, a curved inverted L-shaped rear frame 3 is curved upward and backward, and a seat 4 is attached thereto, surrounded by a body frame 5 and a rear fender. Surrounded by 6.
７はパワーユニツトで、パワーユニツト７は前
部上方に起設されたエンジン８、この下のクラン
クケース９、これの後方に延出された伝動ケース
１０等からなり、伝動ケース１０内には伝動機構
等が内装され、全一体的にパワーユニツトを構成
し、伝動ケース１０の後部には駆動輪をなす後車
輪１１が軸支されている。伝動ケース１０の後部
上にはブラケツト部１０ａが上方に突設され、こ
れにリヤクツシヨンユニツト１２の下端部を枢着
１２ｂし、リヤクツシヨンユニツト１２の上端部
をリヤフレーム３の上後方に湾曲延出された後部
３ａに枢着１２ａする。そしてリヤクツシヨンユ
ニツト１２は下部が後に、上部が前に前傾する如
く配設され、上の枢着部１２ａの揺動中心と下の
枢着部１２ｂの揺動中心とを結ぶリヤクツシヨン
ユニツト１２の中心線N1は下が後傾し、路面Ｇ
に後傾して角度をもつて向つている。 Reference numeral 7 designates a power unit, and the power unit 7 consists of an engine 8 installed upwardly in the front, a crankcase 9 below this, a transmission case 10 extending behind this, and the like. Mechanisms and the like are housed inside to form a power unit, and a rear wheel 11 serving as a driving wheel is pivotally supported at the rear of the transmission case 10. A bracket part 10a is provided on the rear part of the transmission case 10 to protrude upward, and the lower end part of the rear action unit 12 is pivotally connected to this part 12b, so that the upper end part of the rear action unit 12 is attached to the upper rear part of the rear frame 3. It is pivotally attached 12a to the curved and extended rear part 3a. The rear-action unit 12 is arranged so that the lower part is tilted backward and the upper part is tilted forward, and the rear-action unit 12 connects the pivot center of the upper pivot part 12a and the pivot center of the lower pivot part 12b. The center line N1 of unit 12 is tilted backward at the bottom, and the center line N1 of unit 12 is
It is leaning backwards and facing at an angle.
以上のパワーユニツト７の前部は車体側である
リヤフレーム３の前部下部にリンク１３を介して
枢着される。 The front portion of the power unit 7 described above is pivotally connected to the lower front portion of the rear frame 3 on the vehicle body side via a link 13.
リンク１３は左右の側板１４，１４と、これの
後部間を横架連結する連結片１５と、後部上部間
に横架されたストツパロツド１６とからなつて平
面コ型をなし、各部は一体的に接合されている。
リンタ１３の左右の側板１４，１４の下部にはカ
ラー１７，１７を同心的に固着し、該カラー１
７，１７の内径部には内・外輪１８ａ，１８ｂ間
に弾性体、例えばラバーを焼付したラバーブツシ
ユ１８の外輪１８ｂを嵌着して保持する。リヤフ
レーム３の前部下部にはパワーユニツト７の前部
下部、即ちエンジン８の下部のクランクケース９
下面を覆う部分３ｂを後方に延出し、これの両側
に側板３ｃ，３ｃを設け、側板３ｃ，３ｃ間に下
部水平軸１９をなすボルトを横架挿通し、且つ該
水平軸１９をリンク１３の左右の側板１４，１４
に嵌着したラバーブツシユ１８の内輪１８ａ，１
８ａ間を通し、側板３ｃの一方からナツト２０で
締着し、リンク１３下部は車体側に枢着されるこ
ととなる。 The link 13 has a U-shape in plan, consisting of left and right side plates 14, 14, a connecting piece 15 that horizontally connects the rear parts of these, and a stopper rod 16 that is horizontally suspended between the upper parts of the rear parts, and each part is integrally formed. It is joined.
Collars 17, 17 are fixed concentrically to the lower parts of the left and right side plates 14, 14 of the linter 13, and the collars 1
An outer ring 18b of a rubber bushing 18 on which an elastic body, for example, rubber is baked, is fitted and held between the inner and outer rings 18a and 18b on the inner diameter portions 7 and 17. At the front lower part of the rear frame 3, there is a crankcase 9 at the front lower part of the power unit 7, that is, the lower front part of the engine 8.
A portion 3b covering the lower surface extends rearward, side plates 3c are provided on both sides of the portion 3b, and a bolt forming the lower horizontal shaft 19 is inserted horizontally between the side plates 3c and 3c, and the horizontal shaft 19 is inserted into the link 13. Left and right side plates 14, 14
Inner ring 18a, 1 of rubber bush 18 fitted to
8a, and is tightened with a nut 20 from one side of the side plate 3c, so that the lower part of the link 13 is pivoted to the vehicle body side.
クランクケース９の前部下部左右には幅方向孔
９ｂを有する突起９ａ，９ａを垂下突設し、各突
起９ａ，９ａの孔９ｂには内・外輪２１ａ，２１
ｂに弾性体、例えばラバーを焼付したラバーブツ
シユ２１を外輪２１ｂを介して嵌着し、一方リン
ク１３の側板１４，１４の上部前部間にはカラー
２４を横架し、ラバーブツシユ２１，２１の内輪
２１ａ間に上部水平軸２２をなすボルトを挿通
し、水平軸２２は側板１４，１４間のカラー２４
を通り、一方の突起側からナツト２３で締着す
る。かくしてリンク１３とパワーユニツト前部下
面とは枢着され、リンク１３の上下の枢着部、即
ちパワーユニツト及び車体を揺動自在に枢支する
上下の支軸２２と１９とは上が前方に、下が後方
に偏位してこれを結ぶ中心線N2は上前方に前傾
する。そして中心線N2は後傾して路面Ｇに角度
をもつて向い、重要なことはリンク１３の中心線
N2が既述のリヤクツシヨンユニツト１２の中心
線N1と略々平行し、平行或は路面に向つて平行
以下、即ち路面方向の仮想延長線上で収束する方
向に向くように設定する。 Projections 9a, 9a having widthwise holes 9b are provided hanging down on the left and right sides of the lower front part of the crankcase 9, and the holes 9b of the respective projections 9a, 9a are provided with inner and outer rings 21a, 21.
A rubber bushing 21 on which an elastic body, for example, rubber is baked, is fitted to b via the outer ring 21b, and a collar 24 is horizontally suspended between the upper front parts of the side plates 14, 14 of the link 13, and the inner ring of the rubber bushings 21, 21 A bolt forming the upper horizontal shaft 22 is inserted between 21a, and the horizontal shaft 22 is connected to the collar 24 between the side plates 14, 14.
, and tighten with nut 23 from one protrusion side. In this way, the link 13 and the front lower surface of the power unit are pivotally connected, and the upper and lower pivot parts of the link 13, that is, the upper and lower support shafts 22 and 19 that swingably support the power unit and the vehicle body, are such that the upper side faces forward. , the bottom is deflected backward and the center line N 2 connecting them is tilted forward upward. The center line N2 is tilted backwards and faces the road surface G at an angle, and the important thing is that the center line of link 13
N 2 is set to be approximately parallel to the center line N 1 of the reaction unit 12 described above, and to be oriented parallel to or less than parallel to the road surface, that is, to converge on a virtual extension line in the direction of the road surface.
かくしてリンク１３の中心線N2、リヤクツシ
ヨンユニツトN1、パワーユニツト７で擬似平行
四辺形リンクを構成する。 Thus, the center line N 2 of the link 13, the reaction unit N 1 and the power unit 7 constitute a pseudo parallelogram link.
以上において、パワーユニツト７の前部は下面
のリンク１３上にかぶさる如く組み付けられ、パ
ワーユニツト７側は上前部の水平軸２２にパワー
ユニツトの荷重、路面からの荷重反力、リヤクツ
シヨンユニツトの反力が働き、リンク１３は後下
部の水平軸１９を中心にして上下方向に回動し、
上下方向の回転モーメントとして変換され、ラバ
ーブツシユ１８を円周方向に圧縮変形して回転力
を支持、吸収する。従つてラバーブツシユ１８に
はこの方向とは反対側、即ち第２図中時計方向へ
のプリロードを予じめ付与しておく。パワーユニ
ツト７の路面に追従する前後方向の運動は、リン
ク１３、リヤクツシヨンユニツト１２よりなる擬
似平行四辺形リンクにより円滑に運動し、路面変
化に追従する。そして後輪１１の制動作用時にお
いても、後輪の制動に追従してリンクの上下方向
の揺動を介してパワーユニツト７は前後方向に追
従動し、パワーユニツト７全体が上下方向に揺動
する所謂バタつきは発生せず、制動時の安定性、
追従性は向上する。 In the above, the front part of the power unit 7 is assembled so as to cover the link 13 on the lower surface, and the power unit 7 side is attached to the horizontal shaft 22 at the upper front part to absorb the load of the power unit, the load reaction force from the road surface, and the rear action unit. The reaction force acts, and the link 13 rotates in the vertical direction around the horizontal axis 19 at the lower rear.
This is converted into a rotational moment in the vertical direction, compressing and deforming the rubber bushing 18 in the circumferential direction to support and absorb the rotational force. Therefore, a preload is applied to the rubber bush 18 in advance in the opposite direction, that is, in the clockwise direction in FIG. The longitudinal movement of the power unit 7 that follows the road surface is smoothly moved by the pseudo-parallelogram link consisting of the link 13 and the reaction unit 12, and follows changes in the road surface. When braking the rear wheels 11, the power unit 7 follows the braking of the rear wheels in the longitudinal direction through the vertical swing of the link, and the entire power unit 7 swings in the vertical direction. There is no so-called flapping, and stability during braking is improved.
Followability improves.
エンジンの振動に対しては、クランク主加振力
方向を第２図矢印で示す如く前後方向に設定する
ことにより、リンク１３はエンジン振動で上下捩
り方向に回動し、これによりラバーブツシユ１８
を支軸１９廻りで回動させ、ラバーブツシユ１８
で振動を吸収、減衰せしめ、ラバーブツシユ１８
は円周方向への圧縮変形、即ち捩り変形を利用し
ているため、一般的な径方向の圧縮変形を用いる
のと異りバネレートの比較的高い硬目ラバーブツ
シユを用いても振動吸収効果、そして追従性効果
を得ることができ、ラバーブツシユの寿命、耐久
性向上を図りつつ振動吸収、減衰効果を向上させ
ることができる。又エンジンの主加振力の方向を
前後方向設定することの利点は、パワーユニツト
の重量、後車輪、タイヤの重量のマスを有効に利
用するとができることで、更にタイヤは接地荷重
が働いていない前後の部分は柔かく、従つてこれ
をバネレートの低いクツシヨンラバーとして利用
でき、パワーユニツト７の前後の振動は前部のリ
ンクのラバーブツシユにより、又後部ではタイヤ
をクツシヨンラバーとして用い、リンクとエンジ
ン主加振力とが直交しない条件下においても振動
レベルの大幅な低減を図ることができ、上記構成
によればかかる副次的効果をも発揮し、上記と併
せ追従性向上、振動の車体への伝達抑止効果の高
いものが得られる。 To deal with engine vibrations, by setting the direction of the crank's main excitation force in the front-rear direction as shown by the arrow in FIG.
Rotate the rubber bushing 18 around the support shaft 19.
Rubber bushing 18 absorbs and damps vibrations.
Because it utilizes compressive deformation in the circumferential direction, that is, torsional deformation, unlike using general compressive deformation in the radial direction, even if a hard rubber bushing with a relatively high spring rate is used, it has a vibration absorption effect and A followability effect can be obtained, and the vibration absorption and damping effects can be improved while improving the life and durability of the rubber bushing. Also, the advantage of setting the direction of the main excitation force of the engine in the longitudinal direction is that the weight of the power unit, rear wheels, and tires can be used effectively, and the tires are not subject to any ground load. The front and rear parts are soft and can therefore be used as cushioning rubber with a low spring rate.The front and rear vibrations of the power unit 7 are suppressed by the rubber bushings of the front links, and at the rear, tires are used as cushioning rubbers to reduce vibrations between the links and the engine. It is possible to significantly reduce the vibration level even under conditions where the main excitation force is not perpendicular to the main excitation force, and the above configuration also produces such secondary effects, and in addition to the above, it improves followability and reduces the vibration of the vehicle body. A highly effective transmission deterrent effect can be obtained.
もつともリンク１３とエンジン主加振力の方向
を直角にすれば振動吸収、減衰効果は更に向上す
るが、通常のリンクタイプの如く直角から±10゜
以上で振動低減効果が急激に減少する如きデメリ
ツトは本発明では発生しない。 Of course, if the direction of the link 13 and the main excitation force of the engine are made perpendicular to each other, the vibration absorption and damping effect will be further improved, but the disadvantage is that the vibration reduction effect decreases rapidly when the angle is more than ±10° from the perpendicular angle, as with the normal link type. does not occur in the present invention.
尚第２図中２５はストツパラバーで、ラバー２
５はリンク１３とパワーユニツト前部下部下面間
に介設され、エンジン主加振力方向の振動を圧縮
２５ａ、伸び２５ｂでともに支持せしめ、振動吸
収、減衰効果を一層向上させるようにしたもの
で、第３図で明らかな如くリヤクツシヨンユニツ
ト１２が左側の片持支持であるため、パワーユニ
ツト７の左側の剛性が高い部分の下に設けてあ
る。 In addition, 25 in Figure 2 is the stopper rubber, and rubber 2
Reference numeral 5 is interposed between the link 13 and the lower surface of the front part of the power unit, and the vibration in the direction of the main excitation force of the engine is supported by both the compression 25a and the extension 25b, thereby further improving the vibration absorption and damping effect. As is clear from FIG. 3, since the rear action unit 12 is supported by a cantilever on the left side, it is provided under the left side of the power unit 7 which has high rigidity.
以上で明らかな如く本発明によれば、リンク、
リヤクツシヨンユニツトを前傾させ、パワーユニ
ツトを含んで擬似平行四辺形リンクを構成したた
め、後車輪を支持するパワーユニツトの前後方向
の運動の追従性を向上せしめ、且つリンクに介在
させた弾性体で回転方向荷重を支持するようにし
たため走行時の振動、エンジン振動を効果的に抑
止し、更にタイヤ迄をもクツシヨンラバーとして
利用でき、弾性体も硬目のものを用いて上記効果
を有効に発揮せしめつつ寿命、耐久性を向上せし
め得る等多大の利点を有する。 As is clear from the above, according to the present invention, links,
The rear action unit is tilted forward and a quasi-parallelogram link including the power unit is formed, which improves the ability to follow the longitudinal movement of the power unit that supports the rear wheel. Because it supports the load in the rotational direction, vibrations during driving and engine vibration are effectively suppressed.Furthermore, even the tires can be used as cushion rubber, and the elastic material is made of a hard material to achieve the above effect. It has many advantages such as being able to improve lifespan and durability.
図面は本発明の一実施例を示すもので、第１図
は自動二輪車後部の側面図、第２図は同要部拡大
破断側面図、第３図は同破断平面図である。
尚図面中１は自動二輪車、２，３は車体、７は
パワーユニツト、８はエンジン、９はクランクケ
ース、１０は伝動ケース、１２はリヤクツシヨン
ユニツト、１３はリンク、１９，２２はリンクの
枢着部、N1，N2は中心線である。
The drawings show one embodiment of the present invention, and FIG. 1 is a side view of the rear part of the motorcycle, FIG. 2 is an enlarged cutaway side view of the same main part, and FIG. 3 is a cutaway plan view of the same. In the drawing, 1 is a motorcycle, 2 and 3 are the vehicle body, 7 is a power unit, 8 is an engine, 9 is a crankcase, 10 is a transmission case, 12 is a rear action unit, 13 is a link, and 19 and 22 are links. The pivot points, N 1 and N 2 are center lines.
Claims (1)
ース等を一体化したパワーユニツトの前部とをリ
ンクで揺動自在に弾性体を介して枢着し、パワー
ユニツト後部と車体とをリヤクツシヨンユニツト
で連結するとともに、パワーユニツト後部で後輪
を軸支するようにした自動二輪車において、 前記エンジンは、その主加振力方向がパワーユ
ニツトの前後方向となるように配置し、 前記リンクの車体側枢着部揺動中心とパワーユ
ニツト側枢着部揺動中心とを結ぶ中心線とリヤク
ツシヨンユニツトの軸方向中心線とを前傾させ、
且つ各中心線は相互に平行に配設したことを特徴
とする自動二輪車のパワーユニツト懸架装置。[Scope of Claims] 1. The vehicle body and the front part of a power unit that integrates the engine, crankcase, transmission case, etc. are pivotally connected via an elastic body so that the power unit can swing freely by a link, and the rear part of the power unit and the vehicle body are connected to each other. In a motorcycle in which the rear wheels are connected by a rear action unit and the rear wheel is pivoted at the rear of the power unit, the engine is arranged so that its main excitation force direction is in the longitudinal direction of the power unit, tilting forward the center line connecting the pivot center of the vehicle body side pivot point of the link and the pivot center of the power unit side pivot point and the axial center line of the rear action unit;
A power unit suspension system for a motorcycle, characterized in that each center line is arranged parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7451780A JPS57973A (en) | 1980-06-03 | 1980-06-03 | Power unit suspension system for autobicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7451780A JPS57973A (en) | 1980-06-03 | 1980-06-03 | Power unit suspension system for autobicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57973A JPS57973A (en) | 1982-01-06 |
| JPS6358154B2 true JPS6358154B2 (en) | 1988-11-15 |
Family
ID=13549591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7451780A Granted JPS57973A (en) | 1980-06-03 | 1980-06-03 | Power unit suspension system for autobicycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103317A (en) * | 1988-10-11 | 1990-04-16 | Fukuvi Chem Ind Co Ltd | Roof snowmelt method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60448A (en) * | 1983-06-01 | 1985-01-05 | Yokogawa Medical Syst Ltd | Automatic developing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS584787Y2 (en) * | 1977-12-28 | 1983-01-27 | ヤマハ発動機株式会社 | Motorcycle drive unit suspension system |
-
1980
- 1980-06-03 JP JP7451780A patent/JPS57973A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103317A (en) * | 1988-10-11 | 1990-04-16 | Fukuvi Chem Ind Co Ltd | Roof snowmelt method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57973A (en) | 1982-01-06 |
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