JPS6225897B2 - - Google Patents
Info
- Publication number
- JPS6225897B2 JPS6225897B2 JP57014161A JP1416182A JPS6225897B2 JP S6225897 B2 JPS6225897 B2 JP S6225897B2 JP 57014161 A JP57014161 A JP 57014161A JP 1416182 A JP1416182 A JP 1416182A JP S6225897 B2 JPS6225897 B2 JP S6225897B2
- Authority
- JP
- Japan
- Prior art keywords
- tension
- tension pulley
- pulley
- pulleys
- transmission
- 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
- 230000005540 biological transmission Effects 0.000 claims description 22
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004804 winding Methods 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0827—Means for varying tension of belts, ropes, or chains for disconnecting the drive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transplanting Machines (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
【発明の詳細な説明】
本発明は、エンジンに連係の出力軸と車輪に連
係の入力軸とにわたり、伝動比を異ならせて２本
の伝動ベルトを巻回すると共に、前記第１及び第
２伝動ベルト夫々に択一的に入り操作自在にテン
シヨンプーリを付設したダブルテンシヨンクラツ
チの操作構造に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention involves winding two transmission belts with different transmission ratios over an output shaft linked to an engine and an input shaft linked to wheels, and This invention relates to an operating structure for a double tension clutch in which tension pulleys are selectively inserted into each transmission belt and are attached to the tension pulleys so as to be freely operable.
従来の上記装置では、テンシヨンプーリが切り
側に付勢されていた為、入り操作に際し、テンシ
ヨンプーリを切り側に付勢する弾機の付勢力とベ
ルトの張力との合力に抗して入り操作しなければ
ならず、入り操作が非常に重くなる欠点があつ
た。 In the conventional device mentioned above, the tension pulley was biased toward the cutting side, so during the entry operation, the tension pulley was forced against the resultant force of the biasing force of the bullet that biased the tension pulley toward the cutting side and the tension of the belt. This had the disadvantage that the user had to perform an entry operation, which made the entry operation very difficult.
本発明は、上記の点に鑑み、テンシヨンプーリ
に対する入り操作を楽に行えるようにすることを
目的とする。 SUMMARY OF THE INVENTION In view of the above-mentioned problems, it is an object of the present invention to provide a tension pulley that can be easily engaged.
上記目的を達成する為の本発明の特徴構成は、
前記両テンシヨンプーリを夫々入り側に付勢する
スプリングを設けるとともに、そのスプリングの
付勢力に抗して前記各テンシヨンプーリを切り位
置に保持するストツパーを設け、さらに、その各
ストツパーを、一方のテンシヨンプーリが入り位
置にあるとき他方のテンシヨンプーリが切り位置
にあり、且つ、一方のテンシヨンプーリが切り位
置にあるとき他方のテンシヨンプーリが入り位置
にあるように択一的に非作用状態に切換える機構
を設けた点にあり、斯かる構成から次の作用効果
を奏する。 The characteristic structure of the present invention for achieving the above object is as follows:
A spring is provided that biases each of the tension pulleys toward the entry side, and a stopper is provided that resists the biasing force of the spring and holds each of the tension pulleys in the cutting position. Alternatively, when one tension pulley is in the engaged position, the other tension pulley is in the cut position, and when one tension pulley is in the cut position, the other tension pulley is in the engaged position. The present invention is provided with a mechanism for switching to a non-operating state, and this configuration provides the following effects.
すなわち、テンシヨンプーリを入り側に付勢す
るスプリングの付勢力は、ベルト反力よりも強
く、かつ、ベルト反力の作用方向とは逆方向に働
くので、テンシヨンプーリを入り操作する場合に
は、ベルトの反力が操作抵抗として働かず、テン
シヨンプーリの入り操作を楽に行える。また、前
記テンシヨンプーリを切るときには、ベルト反力
がスプリングの付勢力に対して相殺する方向に働
くので、テンシヨンプーリを切り操作する場合に
は、スプリングの入り付勢力からベルト反力を差
し引いた操作力で済み、テンシヨンプーリの切り
操作も割合楽に行える。従つて、全体として、入
り切り操作を楽に行えるようになつた。 In other words, the biasing force of the spring that biases the tension pulley toward the entry side is stronger than the belt reaction force and acts in the opposite direction to the acting direction of the belt reaction force. In this case, the reaction force of the belt does not act as operational resistance, and the tension pulley can be easily engaged. Furthermore, when the tension pulley is cut, the belt reaction force acts in a direction that cancels out the spring biasing force, so when the tension pulley is cut, the belt reaction force is subtracted from the spring biasing force. Only a small amount of operating force is required, and the tension pulley can be cut relatively easily. Therefore, on the whole, it has become easier to perform the on/off operation.
次に、本発明の実施例を例示図に基いて詳述す
る。 Next, embodiments of the present invention will be described in detail based on illustrative drawings.
前後に車輪１，２を軸架した走行車体の前部に
エンジン３を搭載すると共に、後部に苗植付装置
４を油圧シリンダ５を介して駆動昇降自在に設
け、かつ、機体前後方向中間に位置させて運転座
席６を設け、乗用型田植機を構成してある。 An engine 3 is mounted on the front part of a traveling vehicle body with wheels 1 and 2 mounted on the front and rear wheels, and a seedling planting device 4 is installed at the rear part of the vehicle so that it can be driven up and down via a hydraulic cylinder 5. A driver's seat 6 is provided at the same position, and a riding-type rice transplanter is constructed.
前記エンジン３から車輪１，２に動力を伝達す
るに、エンジン３からミツシヨン７に、ダブルテ
ンシヨン式の変速装置８を介して伝達すると共
に、前記ミツシヨン７から、その内部のギア式変
速機構（図示せず）を介して前後車輪１，２に伝
達するように構成してある。 To transmit power from the engine 3 to the wheels 1 and 2, power is transmitted from the engine 3 to the transmission 7 via a double tension transmission 8, and from the transmission 7 to its internal gear transmission mechanism ( (not shown) to the front and rear wheels 1 and 2.
前記変速装置８を構成するに、エンジン３のク
ランク軸９に連動のカム軸１０を機体横一側方に
突出させ、その突出部分をエンジン側出力軸１０
として、その出力軸１０に出力プーリ１１を取付
け、他方、ミツシヨン７から突設の入力軸１２に
大小異径の入力プーリ１３，１４を取付け、出力
プーリ１１と入力プーリ１３，１４とにわたつて
第１及び第２伝動ベルト１５，１６を巻回すると
共に両伝動ベルト１５，１６夫々に、その上方側
に位置させて第１及び第２テンシヨンプーリ１
７，１８を付設し、その第１及び第２テンシヨン
プーリ１７，１８を機体前後方向の直線経路Ｒに
沿つて操作自在な手動操作レバー１９によつて択
一的に入り操作するように構成してある。 To configure the transmission 8, a camshaft 10 interlocked with the crankshaft 9 of the engine 3 protrudes to one side of the aircraft body, and the protruding portion is connected to the engine side output shaft 10.
As shown in FIG. The first and second tension pulleys 1 are wound around the first and second transmission belts 15 and 16, and are positioned above the transmission belts 15 and 16, respectively.
7, 18 are attached, and the first and second tension pulleys 17, 18 are configured to be selectively engaged and operated by a manual operation lever 19 that can be freely operated along a straight path R in the longitudinal direction of the aircraft. It has been done.
前記第１及び第２テンシヨンプーリ１７，１８
夫々のテンシヨンアーム２０，２１を、ミツシヨ
ンケース２２の上部から機体左右方向に突設した
支軸２３に、機体左右向き軸芯Ｐ周りで揺動自在
に枢支連結し、かつ、テンシヨンアーム２０，２
１と、正面視で門型のフレーム２４とにわたつて
引つ張りスプリング２５，２５を張設して第１及
び第２テンシヨンプーリ１７，１８夫々を常時入
り側に付勢してある。 The first and second tension pulleys 17, 18
Each of the tension arms 20 and 21 is pivotally connected to a support shaft 23 protruding from the upper part of the transmission case 22 in the left-right direction of the machine body so as to be able to swing freely around the axis P pointing to the left and right direction of the machine body. Arm 20,2
Tension springs 25, 25 are stretched across the frame 1 and the gate-shaped frame 24 when viewed from the front to constantly bias the first and second tension pulleys 17, 18, respectively, toward the entry side.
前記支軸２３の突出端側に手動操作レバー１９
を揺動自在に枢支連結し、支持ブラケツト２６に
横軸芯P1周りで揺動自在に枢支連結した板体２７
を前記操作レバー１９の長手方向途中箇所に長孔
２８を介して連結すると共に板体２７の所定箇所
に一端側を枢支連結した第１及び第２リンク２
９，３０と、前記両テンシヨンアーム２０，２１
夫々とをピンａ，ａと長孔３１，３１を介して枢
支連結し、かつ、前記板体２７に、所定の幅を有
する凹溝３２を備えさせると共に、凹溝３２の両
側壁３２ａ，３２ａに接当させる固定ピン３３を
突設して板体２７を所定範囲内で揺動させるよう
に構成してある。 A manual operation lever 19 is provided on the protruding end side of the support shaft 23.
A plate body 27 is pivotally connected to the supporting bracket 26 so as to be pivotable about the horizontal axis P1 .
are connected to an intermediate position in the longitudinal direction of the operating lever 19 via a long hole 28, and one end is pivotally connected to a predetermined position of the plate body 27.
9, 30, and both tension arms 20, 21
The plate body 27 is provided with a groove 32 having a predetermined width, and both side walls 32a of the groove 32, A fixing pin 33 that is brought into contact with 32a is provided in a protruding manner so that the plate body 27 can be swung within a predetermined range.
上記構成により、レバー１９の揺動に伴い、第
２リンク３０を介し、スプリング２５の付勢力に
抗して第２テンシヨンプーリ１８を第２伝動ベル
ト１６から離間させながらも、第１テンシヨンプ
ーリ１７を、長孔３１により第１リンク２９に作
用すること無くスプリング２５の付勢力によつて
第１伝動ベルト１５に入り操作する高速状態（第
４図のイ参照）と、第１テンシヨンプーリ１７を
第１伝動ベルト１５から離間させながらも第２テ
ンシヨンプーリ１８を入り操作する低速状態（第
４図のロ参照）、及び、第１及び第２テンシヨン
プーリ１７，１８のいずれをも第１及び第２伝動
ベルト１５，１６から離間させる切り状態（第４
図のハ参照）が得られるのである。 With the above configuration, as the lever 19 swings, the second tension pulley 18 is separated from the second transmission belt 16 via the second link 30 against the biasing force of the spring 25, while the first tension pulley 18 is separated from the second transmission belt 16. A high-speed state in which the pulley 17 enters and operates the first transmission belt 15 by the biasing force of the spring 25 without acting on the first link 29 through the elongated hole 31 (see A in FIG. 4), and a first tension state. A low speed state in which the second tension pulley 18 is operated while separating the pulley 17 from the first transmission belt 15 (see FIG. is also separated from the first and second transmission belts 15 and 16 (the fourth
(see c in the figure) is obtained.
前記低速状態及び高速状態夫々において、第１
及び第２リンク２９，３０のいずれもが、レバー
１９の揺動軸芯Ｐと板体２７の揺動軸芯P1とを繋
ぐ仮想直線Ｌに対して同じ側に変位するように構
成し、スプリング２５，２５のいずれか一方の付
勢力により低速状態及び高速状態のいずれをも安
定維持するように構成してある。 In each of the low speed state and high speed state, the first
Both of the second links 29 and 30 are configured to be displaced on the same side with respect to the imaginary straight line L connecting the swing axis P of the lever 19 and the swing axis P1 of the plate body 27, The structure is such that both the low speed state and the high speed state are stably maintained by the biasing force of one of the springs 25, 25.
前記支持ブラケツト２６と板体２７との間にボ
ールストツパー３４を付設し、前記切り状態を維
持するように構成してある。 A ball stopper 34 is provided between the support bracket 26 and the plate 27 to maintain the cut state.
ロツド３５の先端に連設した長孔形成部材３６
を、第１及び第２リンク２９，３０間に入れ込ま
せると共に、第１及び第２リンク２９，３０夫々
に前記スプリング２５，２５を取付けるために挿
通止着されるピン３７，３７を前記長孔形成部材
３６の長孔３８に嵌入させ、両リンク２９，３０
をしてロツド３５を位置決めさせる状態でロツド
３５とテンシヨンアーム２０，２１を連係し、そ
して、ロツド３５と、スプリング３９を介して付
勢された足踏みペダル４０とを連結し、通常時
は、前記長孔３８によつて、両テンシヨンプーリ
１７，１８の択一的な入り操作を許容しながら
も、ペダル４０の踏み込み操作に伴い、第１及び
第２リンク２９，３０に形成された長孔３１，３
１により操作レバー１９を何ら変位させる事無
く、両テンシヨンプーリ１７，１８のうち、入り
状態にあるものを強制的に切り操作し、ミツシヨ
ン７への伝動を停止できるように構成してある。 Long hole forming member 36 connected to the tip of the rod 35
is inserted between the first and second links 29, 30, and the pins 37, 37, which are inserted and fixed in order to attach the springs 25, 25 to the first and second links 29, 30, respectively, are inserted into the length. Both links 29 and 30 are fitted into the elongated hole 38 of the hole forming member 36.
The tension arms 20 and 21 are connected to the rod 35 while positioning the rod 35, and the rod 35 is connected to the foot pedal 40 which is biased via the spring 39. The elongated hole 38 allows the tension pulleys 17 and 18 to be engaged selectively, and when the pedal 40 is depressed, the elongated holes formed in the first and second links 29 and 30 are opened. Hole 31,3
1, the tension pulleys 17, 18 which are in the engaged state can be forcibly turned off without displacing the operating lever 19 in any way, and the transmission to the transmission 7 can be stopped.
図中４１は、ペダル４０を切り状態に維持する
ロツク部材を示し、４２はペダル４０を切り操作
した状態でのみセルモータの作動を許容する安全
スイツチを示す。 In the figure, 41 indicates a lock member that maintains the pedal 40 in the off state, and 42 indicates a safety switch that allows the starter motor to operate only when the pedal 40 is in the off state.
又、図中４３は、機体左右方向において、前記
ペダル４０と同じ側に設けられたデフロツクペダ
ルを示す。 Further, numeral 43 in the figure indicates a defrock pedal provided on the same side as the pedal 40 in the left-right direction of the aircraft body.
図中４４は、足踏みペダル４０の非操作時の復
帰位置を規制するストツパーを示し、その復帰状
態において、ペダル４０に何ら影響されること無
く、第３図及び第５図に示すように、長孔形成部
材３６の長孔３８内でテンシヨンアーム２０，２
１が入切り操作変位されるように構成してある。 Reference numeral 44 in the figure indicates a stopper that restricts the return position of the foot pedal 40 when the foot pedal 40 is not operated. The tension arms 20, 2 are inserted into the elongated hole 38 of the hole forming member 36.
1 is configured to be turned on and off.
前記スプリング２５，２５の付勢力に抗して前
記テンシヨンプーリ１７，１８が入り位置に操作
されることを阻止するストツパーは、テンシヨン
アーム２０，２１に付設のピンａ，ａと、第１及
び第２リンク２９，３０と、更に各リンク２９，
３０に形成の長孔３１，３１とから構成され、ま
た、その各ストツパーを、一方のテンシヨンプー
リ１７を入り位置に操作したとき他方のテンシヨ
ンプーリ１８を切り位置に、且つ、一方のテンシ
ヨンプーリを切り位置に操作したとき他方のテン
シヨンプーリ１８を入り位置に操作すべく択一的
に非作用状態に切換える切換機構は、横軸芯P1周
りで揺動自在に枢支連結した板材２７と、前記板
体２７を操作する操作レバー１９とから構成され
ている。 A stopper that prevents the tension pulleys 17 and 18 from being operated to the entry position against the biasing force of the springs 25 and 25 includes pins a and a attached to the tension arms 20 and 21, and a first and second links 29, 30, and each link 29,
30 and elongated holes 31, 31 formed in each of the stoppers, when one tension pulley 17 is operated to the entry position, the other tension pulley 18 is set to the cut position, and when one tension pulley 17 is operated to the cut position, A switching mechanism that selectively switches the other tension pulley 18 to a non-operating state in order to operate the tension pulley 18 to the engaged position when the tension pulley is operated to the cut position is pivotably connected around the horizontal axis P1 . It is composed of a plate member 27 and an operating lever 19 for operating the plate member 27.
尚、特許請求の範囲の項に図面との対照を便利
にする為に符号を記すが、該記入により本発明は
添付図面の構造に限定されるものではない。 Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
図面は本発明に係るダブルテンシヨンクラツチ
の操作構造の実施例を示し、第１図は田植機の全
体側面図、第２図は要部の一部切欠正面図、第３
図は要部の一部切欠側面図、第４図は作用説明図
であり、イは高速状態を、ロは低速状態を、そし
てハは停止状態を示す。第５図は要部の一部切欠
斜視図、第６図は停止状態における要部の断面図
である。
１，２……車輪、３……エンジン、１０……出
力軸、１２……入力軸、１５，１６……伝動ベル
ト、１７，１８……テンシヨンプーリ、１９……
手動操作レバー、１９……操作レバー、２０，２
１……テンシヨンアーム、２５……スプリング、
２７……板体、２９，３０……第１、第２リン
ク、３１……長孔、ａ……ピン。
The drawings show an embodiment of the operation structure of the double tension clutch according to the present invention, in which Fig. 1 is an overall side view of the rice transplanter, Fig. 2 is a partially cutaway front view of the main parts, and Fig. 3
The figure is a partially cutaway side view of the main part, and FIG. 4 is an explanatory view of the operation, in which A shows a high speed state, B shows a low speed state, and C shows a stopped state. FIG. 5 is a partially cutaway perspective view of the main part, and FIG. 6 is a sectional view of the main part in a stopped state. 1, 2... Wheel, 3... Engine, 10... Output shaft, 12... Input shaft, 15, 16... Transmission belt, 17, 18... Tension pulley, 19...
Manual operation lever, 19... Operation lever, 20, 2
1...Tension arm, 25...Spring,
27... Plate body, 29, 30... First and second links, 31... Long hole, a... Pin.
Claims (1)
に連係の入力軸１２とにわたり、伝動比を異なら
せて２本の伝動ベルト１５，１６を巻回すると共
に、前記第１及び第２伝動ベルト１５，１６夫々
に択一的に入り操作自在にテンシヨンプーリ１
７，１８を付設したダブルテンシヨンクラツチの
操作構造であつて、前記両テンシヨンプーリ１
７，１８を夫々入り側に付勢するスプリング２
５，２５を設けるとともに、そのスプリング２
５，２５の付勢力に抗して前記各テンシヨンプー
リ１７，１８を切り位置に保持するストツパーを
設け、さらに、その各ストツパーを、一方のテン
シヨンプーリ１７が入り位置にあるとき他方のテ
ンシヨンプーリ１８が切り位置にあり、且つ、一
方のテンシヨンプーリ１７が切り位置にあるとき
他方のテンシヨンプーリ１８が入り位置にあるよ
うに択一的に非作用状態に切換える機構を設けて
あることを特徴とするダブルテンシヨンクラツチ
の操作構造。1 Output shaft 10 linked to engine 3 and wheels 1, 2
It extends over the input shaft 12 connected thereto, winds two transmission belts 15, 16 with different transmission ratios, and selectively enters and operates the first and second transmission belts 15, 16 respectively. Tension pulley 1
7 and 18, in which both the tension pulleys 1
Spring 2 that biases 7 and 18 toward the entry side, respectively.
5, 25, and the spring 2
A stopper is provided to hold each of the tension pulleys 17 and 18 in the cutting position against the biasing force of the tension pulleys 17 and 25, and each of the stoppers is arranged so that when one tension pulley 17 is in the entry position, the other tension pulley 17 is held in the cutting position. A mechanism is provided for selectively switching the tension pulley 18 to a non-operating state so that when the tension pulley 18 is in the cutting position and one tension pulley 17 is in the cutting position, the other tension pulley 18 is in the entering position. The operating structure of the double tension clutch is characterized by:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1416182A JPS58131460A (en) | 1982-01-29 | 1982-01-29 | Speed change unit for rice-planting machine |
| KR8203777A KR870001746B1 (en) | 1982-01-29 | 1982-08-23 | Transmission system of power rice planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1416182A JPS58131460A (en) | 1982-01-29 | 1982-01-29 | Speed change unit for rice-planting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58131460A JPS58131460A (en) | 1983-08-05 |
| JPS6225897B2 true JPS6225897B2 (en) | 1987-06-05 |
Family
ID=11853420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1416182A Granted JPS58131460A (en) | 1982-01-29 | 1982-01-29 | Speed change unit for rice-planting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131460A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4416659Y1 (en) * | 1965-04-16 | 1969-07-18 | ||
| JPS547136B2 (en) * | 1973-11-14 | 1979-04-04 | ||
| JPS5828147B2 (en) * | 1976-06-14 | 1983-06-14 | キャタピラ−三菱株式会社 | Track chain of tracked vehicle equipped with noise reduction device |
| JPS5828148B2 (en) * | 1979-05-01 | 1983-06-14 | 葛西株式会社 | children's rides |
| JPS6024106U (en) * | 1983-07-22 | 1985-02-19 | 三菱電機株式会社 | electric car control device |
| JPS6121633U (en) * | 1984-07-16 | 1986-02-07 | 関東自動車工業株式会社 | automotive floor mats |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6024106Y2 (en) * | 1977-06-17 | 1985-07-18 | ヤンマー農機株式会社 | Combine main clutch operating device |
| JPS6037628Y2 (en) * | 1979-11-28 | 1985-11-09 | 三菱農機株式会社 | Power transmission device |
| JPS5687329U (en) * | 1979-12-06 | 1981-07-13 | ||
| JPS59530Y2 (en) * | 1981-06-13 | 1984-01-09 | 有限会社 河島農具製作所 | multi-speed gearbox |
| JPS5828147U (en) * | 1981-08-17 | 1983-02-23 | ヤンマー農機株式会社 | belt type transmission |
| JPS5828148U (en) * | 1981-08-17 | 1983-02-23 | ヤンマー農機株式会社 | Traveling transmission device in rice transplanter |
-
1982
- 1982-01-29 JP JP1416182A patent/JPS58131460A/en active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4416659Y1 (en) * | 1965-04-16 | 1969-07-18 | ||
| JPS547136B2 (en) * | 1973-11-14 | 1979-04-04 | ||
| JPS5828147B2 (en) * | 1976-06-14 | 1983-06-14 | キャタピラ−三菱株式会社 | Track chain of tracked vehicle equipped with noise reduction device |
| JPS5828148B2 (en) * | 1979-05-01 | 1983-06-14 | 葛西株式会社 | children's rides |
| JPS6024106U (en) * | 1983-07-22 | 1985-02-19 | 三菱電機株式会社 | electric car control device |
| JPS6121633U (en) * | 1984-07-16 | 1986-02-07 | 関東自動車工業株式会社 | automotive floor mats |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58131460A (en) | 1983-08-05 |
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