JPH08282559A - Elastic pad for tread plate of metallic crawler - Google Patents
Elastic pad for tread plate of metallic crawlerInfo
- Publication number
- JPH08282559A JPH08282559A JP8696795A JP8696795A JPH08282559A JP H08282559 A JPH08282559 A JP H08282559A JP 8696795 A JP8696795 A JP 8696795A JP 8696795 A JP8696795 A JP 8696795A JP H08282559 A JPH08282559 A JP H08282559A
- Authority
- JP
- Japan
- Prior art keywords
- elastic
- crawler
- pad
- core body
- plate
- 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.)
- Pending
Links
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、金属製クローラの履板
用弾性パッドに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elastic pad for a metal crawler track plate.
【０００２】[0002]
【従来の技術】農業、土木、建設等の作業に用いられる
無限軌道車のうち、金属製クローラを装備するものにあ
っては、舗装路面を走行する際に、路面の保護と振動の
抑制のためにクローラを構成する履板にゴム製の弾性パ
ッドを取り付けている。従来の金属製クローラの履板用
弾性パッドには、例えば実開平６─１００８８号公報に
記載のように、履板の接地面に弾性パッドを装着する際
に、該パッドの幅方向両端の一方を履板に掛止し、他方
に弾性パッドの厚さ方向のボルトの締結で連結する連結
部材を履板に掛止して装着するようにしているものがあ
る。2. Description of the Related Art Among tracked vehicles used for work such as agriculture, civil engineering, and construction, those equipped with metal crawlers are required to protect the road surface and suppress vibration when traveling on a paved road surface. To this end, elastic pads made of rubber are attached to the crawler plates constituting the crawler. A conventional elastic pad for a shoe track of a metal crawler, for example, as described in Japanese Utility Model Laid-Open No. 6-10088, has one of the widthwise ends of the pad when the elastic pad is attached to the ground surface of the shoe track. There is one in which a connecting member for connecting the elastic pad to the other side by fastening bolts in the thickness direction of the elastic pad is hooked and attached to the other side.
【０００３】[0003]
【発明が解決しようとする課題】クローラ走行時には、
上下の振動が大きく、上述の弾性パッドのようにボルト
を弾性パッドの厚さ方向に締結して履板に装着すると、
前記振動によってボルトが緩みやすく、このゆるみによ
って弾性パッドのがたつきや、クローラの更なる振動が
発生する恐れがあった。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
The vertical vibration is large, and when the bolts are fastened in the thickness direction of the elastic pad and attached to the track, like the elastic pad described above,
The vibration easily loosens the bolt, which may cause rattling of the elastic pad and further vibration of the crawler.
【０００４】そこで、本発明では、走行時の振動による
ボルトのゆるみを無くし、弾性パッドのがたつきや、振
動の発生を抑えることを目的とする。Therefore, an object of the present invention is to prevent loosening of the bolt due to vibration during traveling, and to prevent rattling of the elastic pad and generation of vibration.
【０００５】[0005]
【課題を解決するための手段】本発明は上述の目的を達
成するために以下の技術的手段を講じている。すなわ
ち、金属製クローラ２の履板３の接地面側に装着する金
属製クローラの履板用弾性パッドであって、前記履板３
への装着の際に地面への接地部分となるパッド部７と、
該パッド部７の非接地面側に備える芯体６とを有し、前
記履板３と前記芯体６の幅方向の少なくとも一方の端部
同士を、ボルト１２の締結で近接させつつ連結する連結
部材９を備え、該連結部材９及びボルト１２によって履
板３と芯体６とが近接するに従い、履板３と芯体６との
間で圧縮され且つ弾性復元力を畜力する弾性体８を芯体
６の非接地面側より突出状に設けることを特徴としてい
る。The present invention takes the following technical means in order to achieve the above object. That is, an elastic pad for a metal crawler crawler plate to be attached to the ground contact surface side of the crawler plate 3 of the metal crawler 2, the crawler plate 3
Pad portion 7 that becomes a ground contact portion when attached to the
The pad body 7 has a core body 6 provided on the non-grounded surface side, and at least one end portion in the width direction of the crawler plate 3 and the core body 6 are connected while being brought close to each other by fastening a bolt 12. An elastic body 8 that includes a connecting member 9 and that is compressed between the shoe plate 3 and the core body 6 as the track plate 3 and the core body 6 are brought closer to each other by the connecting member 9 and the bolt 12 and that exerts an elastic restoring force. Is provided so as to project from the non-grounded surface side of the core body 6.
【０００６】前記弾性体８は、前記パッド部７と一体的
に成形することができ、また、前記弾性体８は前記芯体
６の非接地面側に固着することもできる。そして、前記
弾性体８は、ボルト１２の締結部分の近傍に設けている
ことを特徴としている。The elastic body 8 can be integrally formed with the pad portion 7, and the elastic body 8 can be fixed to the non-grounded surface side of the core body 6. The elastic body 8 is provided in the vicinity of the fastening portion of the bolt 12.
【０００７】[0007]
【作用】金属製クローラ２の履板３と芯体６との間に圧
縮され且つ弾性復元力を畜力する弾性体８を芯体６の非
接地面側より突出状に設けることにより、履板３に弾性
パッド１を装着した状態で、弾性パッド１と履板３とを
弾性体８の弾性復元力によって離反する方向に付勢して
いるので、この離反方向に反して締結している芯体６と
履板３とを連結する連結部材９のボルト１２のゆるみを
防ぎ、弾性パッドのガタツキを防止している。By providing the elastic body 8 which is compressed between the crawler plate 3 of the metal crawler 2 and the core body 6 and exerts an elastic restoring force in a protruding manner from the non-grounded surface side of the core body 6, Since the elastic pad 1 and the crawler plate 3 are urged in the direction in which they are separated by the elastic restoring force of the elastic body 8 while the elastic pad 1 is attached to the core 3, the core that is fastened against the separated direction is fastened. The bolt 12 of the connecting member 9 that connects the body 6 and the shoe plate 3 is prevented from being loosened, and the elastic pad is prevented from rattling.
【０００８】[0008]
【実施例】本発明の実施例を図を参照して説明する。図
１〜５は、本発明の第１実施例を示しており、弾性パッ
ド１は、図５に示すように金属製クローラ２の各履板３
に装着され、必要に応じて着脱自在となっている。な
お、４はクローラ２を構成する連接リンクであり、５
は、該連接リンク４を連結するピンである。Embodiments of the present invention will be described with reference to the drawings. 1 to 5 show a first embodiment of the present invention, in which an elastic pad 1 is provided on each track plate 3 of a metal crawler 2 as shown in FIG.
It is attached to and is removable as needed. In addition, 4 is a connecting link that constitutes the crawler 2, and 5
Are pins for connecting the connecting links 4.
【０００９】前記履板３は、図３に示すように、その接
地面側に履板３の幅方向に亘る長さを有し、クローラ２
長手方向に複数の突条３ａを設けており、該突条３ａ
は、前記履板３にてクローラ２を走行させる際に、牽引
力を発生させるものである。弾性パッド１は、ゴム等の
弾性材料よりなり履板３に装着の際に地面に接地するパ
ッド部７と、金属製、硬質樹脂製等よりなり前記パッド
部７の非接地面側に備える芯体６とを有し、前記芯体６
を貫通して該芯体６の非接地面側より突出状に前記パッ
ド部７と一体的に成形される弾性体８を備えている。As shown in FIG. 3, the crawler plate 3 has a length across the width direction of the crawler plate 3 on the ground contact side thereof, and the crawler 2
A plurality of protrusions 3a are provided in the longitudinal direction, and the protrusions 3a
Generates a traction force when the crawler 2 travels on the track plate 3. The elastic pad 1 is made of an elastic material such as rubber and has a pad portion 7 that comes into contact with the ground when it is mounted on the shoe plate 3, and a core that is made of metal or hard resin and is provided on the non-grounded surface side of the pad portion 7. And a body 6, and the core body 6
An elastic body 8 is integrally formed with the pad portion 7 so as to project from the non-grounded surface side of the core body 6 through the core.
【００１０】パッド部７は、芯体６に加硫接着等で固着
されている。芯体６は、パッド部７との固着部分が平板
状で、その幅方向の一方の端部にコ字状に折曲して延設
された掛止部６ａを備え、他方の端部に、該端部と後述
する連結部材９とを締結するボルト１２が挿通する挿通
孔６ｂを履板３の突条３ａ間に対応して設けている。The pad portion 7 is fixed to the core body 6 by vulcanization adhesion or the like. The core body 6 has a flat plate-shaped portion to be fixed to the pad portion 7, and is provided with a hooking portion 6a that is bent and extended in a U shape at one end portion in the width direction thereof and is provided at the other end portion. An insertion hole 6b through which a bolt 12 for fastening the end portion and a connecting member 9 described later is inserted is provided between the ridges 3a of the shoe plate 3.
【００１１】連結部材９は、コ字状に形成され、その上
部を履板３に掛止する掛止片１０とし、下部を、芯体６
端部に設けた挿通孔６ｂに対応した位置にボルト１２と
螺合する雌ネジ部１１ａを設けた締結片１１とし、該締
結片１１が芯体６の非接地面側に当接し芯体６側よりボ
ルト１２を挿入し締結するようになっている。前記弾性
体８は、パッド部７と同一材料で形成され、弾性パッド
１の履板３への装着の際に履板３の突条３ａ間に配置
し、また芯体６と連結部材９とのボルト１２の締結部分
の近傍に備えられている。The connecting member 9 is formed in a U shape, and an upper portion thereof serves as a retaining piece 10 for retaining the shoe plate 3, and a lower portion thereof constitutes a core body 6.
The fastening piece 11 is provided with a female screw portion 11a to be screwed with the bolt 12 at a position corresponding to the insertion hole 6b provided at the end, and the fastening piece 11 contacts the non-grounded surface side of the core body 6 and The bolt 12 is inserted from the side and fastened. The elastic body 8 is made of the same material as that of the pad portion 7, and is arranged between the protrusions 3a of the shoe plate 3 when the elastic pad 1 is mounted on the shoe plate 3, and the core body 6 and the connecting member 9 are provided. It is provided near the fastening portion of the bolt 12.
【００１２】弾性パッド１を履板３に装着する際には、
芯体６端部の掛止部６ａを履板３の非接地面側に掛止
し、連結部材９の掛止片１０を履板３の非接地面側に掛
止し、連結部材９の締結片１１の雌ネジ部１１ａと芯体
６の挿通孔６ｂとを合わせ、パッド部７側から該パッド
の厚さ方向にボルト１２を挿入し、螺合することにより
装着する。When the elastic pad 1 is mounted on the shoe plate 3,
The engaging portion 6a at the end of the core body 6 is engaged with the non-grounding surface side of the shoe plate 3, and the engaging piece 10 of the connecting member 9 is engaged with the non-grounding surface side of the shoe plate 3, thereby The female screw portion 11a of the fastening piece 11 and the insertion hole 6b of the core body 6 are aligned with each other, and the bolt 12 is inserted from the pad portion 7 side in the thickness direction of the pad and screwed to be mounted.
【００１３】このとき、ボルト１２を締め付ける前は、
図１に示すように、履板３の突条３ａ間の接地面に芯体
６の非接地面側より突出状に形成した弾性体８が当接
し、従って、履板３の突条３ａの接地面と芯体６との
間、及び、連結部材９の締結片１１と芯体６との間に間
隙ａが生じている。この状態においてボルト１２を締め
付けていくと、芯体６と履板３が近接していき、近接す
るに従い弾性体８が圧縮され弾性復元力を畜力し、次第
に間隙ａがなくなり、芯体６と、連結部材９及び履板３
の突条３ａとが当接する。このとき、圧縮された弾性体
８の弾性復元力によって弾性パッド１と履板３とは、離
反される方向に付勢されることとなる。そのため、ボル
ト１２のガタがなくなり該ボルト１２のゆるみ止めとな
り、更に、弾性体８による離反方向への付勢により、履
板３の非接地面と、連結部材９の掛止片１０及び芯体６
端部の掛止部６ａとの接触圧が増大し、弾性パッド１の
履板３への装着を強固なものとしている。At this time, before tightening the bolt 12,
As shown in FIG. 1, an elastic body 8 formed so as to project from the non-grounded surface side of the core body 6 comes into contact with the ground contact surface between the ridges 3a of the track plate 3, and accordingly, the ridge 3a of the track plate 3 is contacted. A gap a is formed between the ground surface and the core body 6, and between the fastening piece 11 of the connecting member 9 and the core body 6. When the bolts 12 are tightened in this state, the core body 6 and the shoe plate 3 come close to each other, and the elastic body 8 is compressed and elastic restoring force is saved as the core body 6 and the crawler plate 3 come closer to each other. , The connecting member 9 and the track plate 3
And the ridge 3a of the contact. At this time, the elastic restoring force of the compressed elastic body 8 urges the elastic pad 1 and the shoe plate 3 in the direction in which they are separated from each other. Therefore, the backlash of the bolt 12 is eliminated, and the bolt 12 is prevented from loosening. Further, the elastic body 8 biases the bolt 12 in the separating direction, and the non-grounded surface of the shoe plate 3 and the hooking piece 10 and the core body of the connecting member 9. 6
The contact pressure between the end portion and the hook portion 6a increases, and the elastic pad 1 is firmly attached to the shoe plate 3.
【００１４】また、クローラ２の振動をこの弾性体８に
よって吸収し、防振作用をも得ることができる。弾性体
８は、弾性パッド１の幅方向のどの位置にでも設けるこ
とが可能であるが上記実施例のようにボルト１２締結部
の近傍に設けるとボルト１２のゆるみ止め効果を大きく
することができる。Further, the vibration of the crawler 2 can be absorbed by the elastic body 8 so that a vibration damping effect can be obtained. The elastic body 8 can be provided at any position in the width direction of the elastic pad 1, but if it is provided in the vicinity of the fastening portion of the bolt 12 as in the above embodiment, the effect of preventing the bolt 12 from loosening can be enhanced. .
【００１５】図７は、本発明の第２実施例を示してお
り、芯体６の両端部を連結部材９により連結することに
より、履板３に装着するようにしているものである。そ
して、芯体６両端の連結部材９とのボルト１２締結部近
傍に弾性体８を設けている。本実施例においては、第１
実施例における効果を弾性パッドの両端について得るこ
とができ、更に強固に履板に弾性パッドを装着すること
ができる。FIG. 7 shows a second embodiment of the present invention, in which both ends of the core body 6 are connected by the connecting members 9 so that the core body 6 can be mounted on the shoe plate 3. The elastic body 8 is provided in the vicinity of the bolt 12 fastening portion with the connecting member 9 at both ends of the core body 6. In this embodiment, the first
The effect of the embodiment can be obtained at both ends of the elastic pad, and the elastic pad can be more firmly attached to the shoe plate.
【００１６】本発明は、上記実施例に限られず、例え
ば、弾性体８は、芯体６の非接地面側に直接固着するよ
うに設けても良いし、図６のように芯体６をゴム等の弾
性材料にてパッド部７と一体的に包み込むように被覆
し、その被覆部分より弾性体８を一体的に突出状に設け
てやってもよい。また、弾性体はパッド部と異なる材料
にて成形してもよく、また、第１実施例における芯体端
部に延設した掛止部の近傍にも弾性体を設けることがで
きる。The present invention is not limited to the above embodiment. For example, the elastic body 8 may be provided so as to be directly fixed to the non-grounded surface side of the core body 6, or the core body 6 may be provided as shown in FIG. It is also possible to cover the pad portion 7 with an elastic material such as rubber so as to wrap the pad portion 7 integrally, and to provide the elastic body 8 integrally in a protruding shape from the covered portion. Further, the elastic body may be formed of a material different from that of the pad portion, and the elastic body may be provided in the vicinity of the hooking portion extended to the end portion of the core body in the first embodiment.
【００１７】また、弾性体を履板の突条間の幅方向を略
埋めつくすように形成してもよい。そして、連結部材
は、上記実施例のようにその締結片に雌ネジ部を設けて
もよいし、締結片にボルトが挿通する挿通孔を設けて、
その上面にナットを溶接して設けてやってもよい。ま
た、締結片の幅方向長さを長くしてボルト締結位置を弾
性パッドの幅方向内方に配置するなどの変更が可能であ
る。Further, the elastic body may be formed so as to substantially fill the width direction between the projections of the shoe plate. Then, the connecting member may be provided with a female screw portion on the fastening piece as in the above embodiment, or by providing an insertion hole into which the bolt is inserted in the fastening piece,
A nut may be welded to the upper surface to be provided. Further, it is possible to change the length of the fastening piece in the width direction to arrange the bolt fastening position inward of the elastic pad in the width direction.
【００１８】[0018]
【発明の効果】本発明は以上詳述したように、金属製ク
ローラの履板の踏面と、芯体又はパッド部との間に圧縮
され且つ弾性復元力を畜力する弾性体を芯体の非接地面
側より突出状に設けることにより、履板に弾性パッドを
装着した状態で、弾性パッドと履板の踏面とを弾性体の
弾性復元力によって離反する方向に付勢しているので、
この離反方向に反して締結している芯体６と履板３とを
連結する連結部材９のボルト１２のゆるみを防ぎ、弾性
パッドのガタツキを防止し、これにより振動の発生を抑
え、弾性パッドの履板への強固な装着ができる。As described in detail above, according to the present invention, an elastic body, which is compressed between the tread surface of the crawler plate of the metal crawler and the core body or the pad portion and exerts an elastic restoring force, is provided in the core body. Since the elastic pad is attached to the shoe plate, the elastic pad and the tread surface of the shoe plate are urged in the direction in which they are separated by the elastic restoring force of the elastic body by being provided in a protruding shape from the ground contact surface side.
The loosening of the bolts 12 of the connecting member 9 that connects the core body 6 and the shoe plate 3 that are fastened against each other in the separating direction is prevented, and the rattling of the elastic pad is prevented, thereby suppressing the occurrence of vibration and suppressing the elastic pad. Can be firmly attached to the track plate.
【図１】本発明の第１実施例を示す断面図である。FIG. 1 is a sectional view showing a first embodiment of the present invention.
【図２】本発明の第１実施例を示す底面図である。FIG. 2 is a bottom view showing the first embodiment of the present invention.
【図３】本発明の第１実施例を示し、図２のＡ−Ａ矢視
図である。FIG. 3 shows the first embodiment of the present invention and is a view taken along the line AA of FIG.
【図４】本発明の第１実施例を示し、図２のＢ−Ｂ断面
図である。FIG. 4 is a sectional view taken along line BB in FIG. 2, showing the first embodiment of the present invention.
【図５】本発明を採用した金属製クローラの構成図であ
る。FIG. 5 is a configuration diagram of a metal crawler adopting the present invention.
【図６】本発明の第２実施例を示す断面図である。FIG. 6 is a sectional view showing a second embodiment of the present invention.
【図７】本発明の他の実施例を示す断面図である。FIG. 7 is a sectional view showing another embodiment of the present invention.
１ 弾性パッド ２ 金属製クローラ ３ 履板 ６ 芯体 ７ パッド部 ８ 弾性体 ９ 連結部材 １２ ボルト 1 Elastic Pad 2 Metal Crawler 3 Crawler Plate 6 Core Body 7 Pad Part 8 Elastic Body 9 Connecting Member 12 Bolt
Claims (4)
地面側に装着する金属製クローラの履板用弾性パッドで
あって、 前記履板（３）への装着の際に、地面への接地部分とな
るパッド部（７）と、該パッド部（７）の非接地面側に
備える芯体（６）とを有し、 前記履板（３）と前記芯体（６）の幅方向の少なくとも
一方の端部同士を、ボルト（１２）の締結で近接させつ
つ連結する連結部材（９）を備え、該連結部材（９）及
びボルト（１２）によって履板（３）と芯体（６）とが
近接するに従い、履板（３）と芯体（６）との間で圧縮
され且つ弾性復元力を畜力する弾性体（８）を芯体
（６）の非接地面側より突出状に設けることを特徴とす
る金属製クローラの履板用弾性パッド。1. An elastic pad for a crawler plate of a metal crawler, which is mounted on the ground contact surface side of the crawler plate (3) of the metal crawler (2), when the crawler plate (3) is mounted on the crawler plate (3). It has a pad part (7) which becomes a ground contact part to the ground, and a core body (6) provided on the non-grounded surface side of the pad part (7), and the shoe plate (3) and the core body (6). A connecting member (9) for connecting at least one end portion in the width direction of each of the two in close proximity to each other by tightening a bolt (12), and the connecting member (9) and the bolt (12) to the track plate (3). As the core body (6) approaches, the elastic body (8) that is compressed between the shoe plate (3) and the core body (6) and exerts an elastic restoring force is provided on the non-ground plane of the core body (6). An elastic pad for a shoe track of a metal crawler, which is provided so as to project from the side.
（７）と一体的に成形されることを特徴とする請求項１
に記載の金属製クローラの履板用弾性パッド。2. The elastic body (8) is integrally formed with the pad portion (7).
The elastic pad for the track plate of the metal crawler described in.
非接地面側に固着されていることを特徴とする請求項１
に記載の金属製クローラの履板用弾性パッド。3. The elastic body (8) is fixed to the non-grounded surface side of the core body (6).
The elastic pad for the track plate of the metal crawler described in.
締結部分の近傍に設けていることを特徴とする請求項１
〜３のいずれかに記載の金属製クローラの履板用弾性パ
ッド。4. The elastic body (8) is provided in the vicinity of a fastening portion of a bolt (12).
4. An elastic pad for a track plate of the metal crawler according to any one of 3 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8696795A JPH08282559A (en) | 1995-04-12 | 1995-04-12 | Elastic pad for tread plate of metallic crawler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8696795A JPH08282559A (en) | 1995-04-12 | 1995-04-12 | Elastic pad for tread plate of metallic crawler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08282559A true JPH08282559A (en) | 1996-10-29 |
Family
ID=13901649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8696795A Pending JPH08282559A (en) | 1995-04-12 | 1995-04-12 | Elastic pad for tread plate of metallic crawler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08282559A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999051483A1 (en) * | 1998-04-01 | 1999-10-14 | Fukuyama Gomu Kogyo Kabushiki Gaisha | Detachable pad |
| EP0940329A3 (en) * | 1998-03-01 | 2000-09-06 | Bridgestone Corporation | Rubber pads |
| SE2050130A1 (en) * | 2020-02-06 | 2021-08-07 | Bae Systems Haegglunds Ab | Ground engaging device for an endless track of a tracked vehicle |
-
1995
- 1995-04-12 JP JP8696795A patent/JPH08282559A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0940329A3 (en) * | 1998-03-01 | 2000-09-06 | Bridgestone Corporation | Rubber pads |
| US6213573B1 (en) | 1998-03-01 | 2001-04-10 | Bridgestone Corporation | Rubber pads |
| WO1999051483A1 (en) * | 1998-04-01 | 1999-10-14 | Fukuyama Gomu Kogyo Kabushiki Gaisha | Detachable pad |
| AU739093B2 (en) * | 1998-04-01 | 2001-10-04 | Fukuyama Gomu Kogyo Kabushiki Gaisha | Detachable rubber pad |
| CN1099355C (en) * | 1998-04-01 | 2003-01-22 | 福山橡胶工业株式会社 | Detachable pad |
| SE2050130A1 (en) * | 2020-02-06 | 2021-08-07 | Bae Systems Haegglunds Ab | Ground engaging device for an endless track of a tracked vehicle |
| WO2021158157A1 (en) * | 2020-02-06 | 2021-08-12 | BAE Systems Hägglunds Aktiebolag | Ground engaging device for an endless track of a tracked vehicle |
| SE544212C2 (en) * | 2020-02-06 | 2022-03-01 | Bae Systems Haegglunds Ab | Ground engaging device for an endless track of a tracked vehicle |
| EP4100301A4 (en) * | 2020-02-06 | 2024-02-28 | Bae Systems Hägglunds Aktiebolag | Ground engaging device for an endless track of a tracked vehicle |
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