JPH0655973U - Rubber track rug pattern - Google Patents
Rubber track rug patternInfo
- Publication number
- JPH0655973U JPH0655973U JP306293U JP306293U JPH0655973U JP H0655973 U JPH0655973 U JP H0655973U JP 306293 U JP306293 U JP 306293U JP 306293 U JP306293 U JP 306293U JP H0655973 U JPH0655973 U JP H0655973U
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- JP
- Japan
- Prior art keywords
- lug
- lugs
- track
- rubber crawler
- composite
- 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.)
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Abstract
(57)【要約】
【目的】 車体揺動による作業性の悪化を防止すると共
に、牽引力を増加させることができるゴム履帯を目的と
したもの。
【構成】 装軌車両の走行部分に巻装される無端のゴム
ベルトに、起動輪の１歯毎に噛み合う金属芯金を埋設し
たゴム履帯１において、ゴム履帯１の接地側の幅方向中
央部の隣合う芯金２間に起動輪との噛み合い係合穴３を
設け、周長方向に隣合う該係合穴３，３の間に設けたラ
グ４の中央部分４ａの３ピッチ間を、係合穴３，３を挟
んで隣合う２個を連結した複合ラグ４1 と、単一ラグ４
2 とに分割して互い違いに配列し、両ラグ４1 ，４2 の
左右の端部部分４ｂ，４ｃを中央部分４ａからそれそれ
斜め後方に遠ざかるように形成して、ラグ４の履帯幅方
向の左右の形状は１ピッチだけずれるように配設すると
共に、複合ラグ４1 と単一ラグ４2 との間には、周長方
向に履帯１の半分幅と履帯１幅の凹部５，６が交互に存
在するように形成したもの。
(57) [Summary] [Purpose] The purpose of the rubber crawler track is to prevent the deterioration of workability due to body swing and to increase the traction force. [Structure] In a rubber crawler belt 1 in which an endless rubber belt wound around a running portion of a tracked vehicle is embedded with a metal cored bar that meshes with each tooth of a starting wheel, a center portion in the width direction of the rubber crawler belt 1 on the ground side. Engagement engagement holes 3 with the starting wheel are provided between the adjacent cores 2, and the three pitches of the central portion 4a of the lug 4 provided between the engagement holes 3 adjacent in the circumferential direction are engaged. A composite lug 41 that connects two adjoining two with a dowel hole 3 and 3, and a single lug 4
The two lugs 41 and 42 are arranged in a staggered manner, and the left and right end portions 4b and 4c of both lugs 41 and 42 are formed so as to be moved away from the central portion 4a obliquely rearward. Are arranged so as to be offset by one pitch, and between the composite lug 41 and the single lug 42, there are alternately formed half widths of the track 1 and recesses 5 and 6 of the track 1 in the circumferential direction. Formed to do.
Description
【０００１】[0001]
本考案はブルド−ザや油圧掘削機等の建設機械の装軌式車両の足回りに使用さ れているゴム履帯に係り、特にゴム履帯のラグパタ−ンに関する。 The present invention relates to a rubber crawler track used for the undercarriage of a tracked vehicle for construction machines such as bulldozers and hydraulic excavators, and more particularly to a rubber crawler track lug pattern.
【０００２】[0002]
従来、ブルド−ザや油圧掘削機等の建設機械の装軌式車両においては、遊動輪 と起動輪との間に設けられたトラックフレ−ムに上転輪および下転輪を取着し、 これらの各輪に鉄履帯を巻装して、起動輪に伝達された動力により履帯を回転さ せて車両を走行させるようになっている。また、近年では足回りの騒音・振動対 策として、従来の鉄履帯に代えて、無端のゴムベルトに一定間隔で金属芯金を埋 設し、この芯金に起動輪の歯を噛み合せて駆動するようにした一体形のゴム履帯 も用いられて来ている。しかして現在用いられているゴム履帯のラグパタ−ンは 例えば、図２（ａ）に側面を示すように踏み面１２と接地側のラグ１３を有する 履帯１１において、接地側の平面が（ｂ）に示すようにゴム履帯１１の幅方向の 中央部に設けた起動輪との噛み合い係合穴１４を長手方向に沿って等間隔に設け 、係合穴１４間のラグ１３の中央部分１３ａと、噛み合い係合穴１４を挟んで隣 合う２個の中央部分１３ａを連結して、左右端部に向かってそれぞれ斜め後方に 遠ざかる分岐部分１３ｂを設け、その分岐部分１３ｂは左右で１ピッチだけずれ るように形成したものである。したがってラグ１３は互い違いに配置され、その 間に凹部１５が存在する形状となっている。 Conventionally, in tracked vehicles for construction machines such as bulldozers and hydraulic excavators, upper and lower wheels are attached to a track frame provided between an idler wheel and a starting wheel, Iron crawler belts are wound around these wheels, and the crawler belts are rotated by the power transmitted to the starting wheels to drive the vehicle. Further, in recent years, as measures against undercarriage noise and vibration, in place of the conventional iron crawler belt, metal cored bars are embedded in an endless rubber belt at regular intervals, and the teeth of the starting wheel are engaged with this cored bar to drive. One-piece rubber tracks have also been used. The rubber crawler belt lug pattern currently used, for example, has a tread 12 and a ground side lug 13 as shown in the side view of FIG. 2 (a). As shown in FIG. 5, engagement holes 14 for engaging with the starting wheel provided in the widthwise central portion of the rubber crawler belt 11 are provided at equal intervals along the longitudinal direction, and a central portion 13a of the lug 13 between the engagement holes 14 and Two adjacent central portions 13a are connected to each other with the meshing engagement hole 14 sandwiched therebetween, and branch portions 13b are provided which are diagonally rearward toward the left and right end portions, respectively, and the branch portions 13b are displaced by one pitch on the left and right sides. It is formed as follows. Therefore, the lugs 13 are staggered, and the recesses 15 are formed between them.
【０００３】[0003]
しかしながら上述のようなラグパタ−ンの履帯において、車体揺動による作業 性の悪さを抑えるためには、ゴム履帯１１の接地面積であるラグ１３のランド部 を大きくするか、あるいはラグ１３高さを低くしてゴム履帯１１のラグばね定数 を大きくしなければならない。そうすると凹部１５の容積が小さくなり、履帯１ １がスリップし易くなり、重要な性能の一つである牽引力が小さくなると云う問 題があった。すなわち例えば、図３は前述の図２の牽引力の性能向上のために接 地面積（ラグ１３のランド部）を削ったラグパタ−ンの１例であるが、このよう にするとゴムの体積が少なくなるために耐久性やばね定数が落ちて整地性も悪く なってしまう。 However, in the crawler belt of the rug pattern as described above, in order to suppress the poor workability due to vehicle body swing, the land portion of the lug 13 which is the ground contact area of the rubber crawler belt 11 is increased or the height of the lug 13 is increased. It must be lowered to increase the lug spring constant of the rubber track 11. Then, the volume of the recess 15 becomes smaller, the track 11 becomes slippery, and the traction force, which is one of the important performances, becomes smaller. That is, for example, FIG. 3 is an example of a rug pattern in which the landing area (land portion of the lug 13) is shaved in order to improve the performance of the traction force of FIG. 2 described above. As a result, the durability and spring constant decrease, and the leveling performance also deteriorates.
【０００４】 本考案はこれに鑑み、車体揺動による作業性の悪化を防止すると共に、牽引力 を増加させることができるようにしたゴム履帯のラグパタ−ンを提供して従来技 術の持つ欠点の解消を図ることを目的としてなされたものである。In view of this, the present invention provides a lug pattern of a rubber crawler track capable of increasing the traction force while preventing the workability from being deteriorated due to the swing of the vehicle body. It was made for the purpose of resolution.
【０００５】[0005]
上記目的を達成するため本考案の請求項１は装軌車両の走行部分に巻装される 無端のゴムベルトに、起動輪の１歯毎に噛み合う金属芯金を埋設したゴム履帯に おいて、該ゴム履帯の接地側の幅方向中央部の隣合う芯金間に起動輪との噛み合 い係合穴を設け、周長方向に隣合う該係合穴の間に設けたラグの中央部分の３ピ ッチ間を、係合穴を挟んで隣合う２個を連結した複合ラグと、単一ラグとに分割 して互い違いに配列し、両ラグの左右の分岐部分を中央部分からそれそれ斜め後 方に遠ざかるように形成して、該ラグの履帯幅方向の左右の形状は１ピッチだけ ずれるように配設すると共に、前記複合ラグと単独ラグとの間には周長方向に履 帯の半分幅と履帯幅の凹部が交互に存在するように形成したことを特徴とし、請 求項２は請求項１において前記両ラグのうち、少なくとも複合ラグはそれぞれ隣 合う３個の芯金投影面を連続して斜めに横断するように形成したことを特徴とす る。 In order to achieve the above object, the first aspect of the present invention provides a rubber crawler belt in which an endless rubber belt wound around a running portion of a tracked vehicle is embedded with a metal cored bar that meshes with each tooth of the starting wheel. An engaging hole that meshes with the starting wheel is provided between the adjacent cores in the widthwise central part of the rubber crawler on the ground side, and the center part of the lug provided between the adjacent engaging holes in the circumferential direction. The three pitches are divided into a composite lug that connects two adjacent ones with an engagement hole sandwiched between them, and a single lug that is arranged alternately. The left and right branch parts of both lugs are divided from the central part. The lugs are formed so as to be distant from each other rearward, the left and right shapes of the lugs in the crawler belt width direction are displaced by one pitch, and the crawler tracks are arranged in the circumferential direction between the composite lug and the single lug. It is characterized in that the recesses of the half width and the crawler belt width are alternately formed. Of the two lugs in, characterized in that it is formed so as to cross obliquely in succession three core metal projection plane to fit next to each of the at least complex lag.
【０００６】[0006]
上記構成によれば、複合ラグの大きな接地圧により履帯のばね定数を大きく保 て車体の揺動が抑えられる。また、単独ラグは硬質な地盤でも土に深く食いこみ 易いため土への摩擦抵抗が増し、牽引力が大きくなる。さらにラグは芯金３ピッ チ分を覆うようにしたので履帯の耐屈曲疲労性が向上し、ゴム履帯に内装されて いるスチ−ルコ−ドの保護にも役立てられる。 According to the above-mentioned structure, the large ground pressure of the composite lug keeps the crawler belt spring constant large and suppresses the swinging of the vehicle body. In addition, since the single lug easily penetrates deeply into the soil even on hard ground, the frictional resistance to the soil increases and the traction force increases. Furthermore, since the lug covers the core metal 3 pitches, the bending fatigue resistance of the crawler belt is improved, and it is also useful for protecting the steel code inside the rubber crawler belt.
【０００７】[0007]
図１は本考案にかかるゴム履帯のラグパタ−ン（接地面側）の一実施例の部分 平面図である。 FIG. 1 is a partial plan view of an embodiment of a rubber crawler belt lug pattern (on the grounding surface side) according to the present invention.
【０００８】 以下、本考案の請求項１〜２を図１に示す一実施例を参照して説明する。本考 の請求項１は装軌車両の走行部分に巻装される無端のゴムベルトに、起動輪の１ 歯毎に噛み合う金属芯金を埋設したゴム履帯１において、該ゴム履帯１の接地側 の幅方向中央部の隣合う芯金２，２（点線で示す）間に起動輪との噛み合い係合 穴３を設け、周長方向に隣合う該係合穴３，３の間に設けたラグ４の中央部分４ ａの３ピッチＬ間を、係合穴３，３を挟んで隣合う２個を連結した複合ラグ４1 と、単一ラグ４2 とに分割して互い違いに配列し、両ラグ４1 ，４2 の左右の分 岐部分４ｂ，４ｃを中央部分４ａからそれそれ斜め後方に遠ざかるように形成し て、該ラグの履帯幅方向の左右の形状は１ピッチだけずれるように配設すると共 に前記複合ラグ４1 と単一ラグ４2 との間には周長方向に履帯１の半分幅と履帯 幅の凹部５，６が交互に存在するように形成したもので構成され、請求項２は前 記両ラグ４1 ，４2 のうち、少なくとも複合ラグ４1 はそれぞれ隣合う３個の芯 金２の投影面を連続して斜めに横断するように形成したもので構成されている。Hereinafter, claims 1 and 2 of the present invention will be described with reference to an embodiment shown in FIG. According to claim 1 of the present invention, in a rubber crawler belt 1 in which an endless rubber belt wound around a running portion of a tracked vehicle is embedded with a metal cored bar that meshes with each tooth of a starting wheel, A mating engagement hole 3 with the starting wheel is provided between the adjacent cores 2 and 2 (shown by dotted lines) at the center in the width direction, and a lug provided between the engagement holes 3 and 3 adjacent in the circumferential direction. Between the three pitches L of the central portion 4a of 4 are divided into a composite lug 41 in which two adjacent ones are connected with the engagement holes 3 and 3 sandwiched therebetween and a single lug 42, which are arranged alternately. The left and right branch portions 4b and 4c of 41 and 42 are formed so as to be moved obliquely rearward from the central portion 4a, and the left and right shapes of the lugs in the crawler belt width direction are arranged to be offset by one pitch. In addition, between the composite lug 41 and the single lug 42, there are recesses 5 having a half width of the crawler belt 1 and a crawler belt width in the circumferential direction. The two lugs 41 and 42 have at least a composite lug 41, and at least the composite lugs 41 are arranged so that the projection planes of the three adjacent metal cores 2 are continuously slanted. It is composed of the ones formed so as to cross.
【０００９】 ゴム履帯１のラグ４は、周長方向に隣合う噛み合い係合穴３，３間に設けられ た中央部分４ａと、噛み合い係合穴３を挟んで隣合う２個の中央部分４ａに連続 させて左右の分岐部分４ｂを斜め後方向に遠ざかるようにした幅広の複合ラグ４ 1 と、複合ラグ４1 と隣合って、しかも隣合う２個の中央部分４ａが一側（図１ の幅方向中心から右側）では連続せず、分岐部分４ｃを分岐部分４ｂとほぼ平行 にして斜め後方向に遠ざかるようにした単一ラグ４2 とからなっている。そして 単一ラグ４2 の他側（図１の幅方向中心から左側）は複合ラグ４1 の分岐部分４ ｂとなって連続しており、複合ラグ４1 の他側は一方は複合ラグ４1 の分岐部分 ４ｂと、他方は単一ラグ４2 の分岐部分４ｃにそれぞれ連続しているため、左右 のラグ４はゴム履帯１の幅方向中心に対して左右非対称となっている。前記複合 ラグ４1 と単一ラグ４2 の間は、ゴム履帯１の片側半分の幅間で端部が斜め後方 向に遠ざかる凹部５が形成され、また、単一ラグ４2 と複合ラグ４1 との間には 同様にゴム履帯１の幅間に端部が中央部から斜め後方向に遠ざかる履帯幅の凹部 ６が設けられ、これによりゴム履帯１にはゴムベルトに対して多数個のラグ４が 凹部６を隔てて不連続に配置されている。前記複合ラグ４1 は中央部分４ａの広 い形状から、分岐部分４ｂの狭い形状に順次変化するようになっている。さらに 複合ラグ４1 の頂面と凹部６との間の境界に形成される斜面７は中央部から端部 に向かって遠ざかるに従って次第にゆるやかな傾斜角となるような平面で構成さ れ、複合ラグ４1 の頂面と凹部５との間の境界、および単一ラグ４2 の頂面と凹 部５、６との間の境界に形成される斜面８は中央部から端部にかけて同一の傾斜 角の平面で構成されている。なお、ゴム履帯１には起動輪の１歯毎に噛み合う芯 金２を埋設して、ラグ４のうち、少なくとも複合ラグ４1 は隣合う３個の芯金２ の投影面を連続して斜め後方向に横断するように形成してある。The lug 4 of the rubber crawler belt 1 has a central portion 4 a provided between the meshing engagement holes 3 and 3 adjacent to each other in the circumferential direction and two central portions 4 a adjacent to each other with the meshing engagement hole 3 interposed therebetween. A wide composite lug 4 1 in which the left and right branch portions 4b are moved away from each other diagonally rearward, and two central parts 4a adjacent to and adjacent to the composite lug 41 are located on one side (see FIG. 1). It is not continuous at the right side from the center in the width direction, and is composed of a single lug 42 which is so arranged that the branch portion 4c is substantially parallel to the branch portion 4b and is moved away in an oblique rearward direction. The other side of the single lug 42 (left side from the center in the width direction of FIG. 1) is continuous as a branch portion 4b of the composite lug 41, and the other side of the composite lug 41 is one branch portion of the composite lug 41. 4b and the other are continuous with the branch portion 4c of the single lug 42, respectively, so that the left and right lugs 4 are asymmetric with respect to the widthwise center of the rubber crawler belt 1. Between the composite lug 41 and the single lug 42, there is formed a concave portion 5 whose width is half the width of one side of the rubber crawler belt 1 and the end of which is slanted backward, and between the single lug 42 and the composite lug 41. Is similarly provided with a crawler belt width concave portion 6 whose end portion is obliquely rearwardly moved from the central portion between the widths of the rubber crawler belt 1, so that the rubber crawler belt 1 has a large number of lugs 4 with respect to the rubber belt. Are discontinuously arranged. The composite lug 41 is designed to change from the wide shape of the central portion 4a to the narrow shape of the branch portion 4b. Further, the slope 7 formed at the boundary between the top surface of the composite lug 41 and the recess 6 is formed as a flat surface having a gradual inclination angle as it goes away from the central portion toward the end portion. The slope 8 formed on the boundary between the top surface of the lug and the concave portion 5 and the boundary between the top surface of the single lug 42 and the concave portions 5 and 6 is a plane having the same inclination angle from the central portion to the end portion. It is composed of. The rubber crawler belt 1 is embedded with a cored bar 2 that meshes with each tooth of the starting wheel, and at least the composite lug 41 of the lugs 4 has a projection surface of three adjacent cored bars 2 in a diagonally rearward direction. It is formed so as to cross the direction.
【００１０】 つぎに作用を説明する。ラグ４のうち、複合ラグ４1 は大きな接地面により履 帯のばね定数を大きく保ち、車体の揺動を抑え、比較的細長い単一ラグ４2 は硬 質な地盤でも土に深く食いこみ易いため、土への摩擦抵抗が増して履帯スリップ が難しくなり、牽引力が増す。また、従来と比較して凹部６の部分を多くしたこ とで軟弱地盤では土の食い込み量が多くなり、これにより履帯スリップが少なく 牽引力が増加する。さらに、ラグ４を芯金２の３ピッチ分を覆うように形成した ことで履帯の耐屈曲疲労制が向上し、履帯のゴムベルトに内装されているスチ− ルフ−ドの保護にも役立てられる。Next, the operation will be described. Of the lugs 4, the composite lug 41 keeps the track's spring constant large due to the large ground contact surface to prevent the body from swinging, and the relatively elongated single lug 42 easily penetrates deeply into the soil even on hard ground. The frictional resistance to the soil increases, the track slippage becomes difficult, and the traction force increases. In addition, by increasing the number of the concave portions 6 as compared with the conventional case, the amount of soil intruding on the soft ground increases, which reduces the track slip and increases the traction force. Further, since the lug 4 is formed so as to cover the core metal 2 for 3 pitches, the bending fatigue resistance of the crawler belt is improved, and it is also useful for protecting the steel hood which is internally mounted on the rubber belt of the crawler belt.
【００１１】[0011]
以上説明したように本考案は、請求項１を装軌車両の走行部分に巻装される無 端のゴムベルトに、起動輪の１歯毎に噛み合う金属芯金を埋設したゴム履帯にお いて、該ゴム履帯の接地側の幅方向中央部の隣合う芯金間に起動輪との噛み合い 係合穴を設け、周長方向に隣合う該係合穴の間に設けたラグの中央部分の３ピッ チ間を、係合穴を挟んで隣合う２個を連結した複合ラグと、単一ラグとに分割し て互い違いに配列し、両ラグの左右の分岐部分を中央部分からそれそれ斜め後方 に遠ざかるように形成して、該ラグの履帯幅方向の左右の形状は１ピッチだけず れるように配設すると共に、前記複合ラグと単一ラグとの間には周長方向に履帯 の半分幅と履帯幅の凹部が交互に存在するように形成し、請求項２は前記両ラグ のうち、少なくとも複合ラグはそれぞれ隣合う３個の芯金投影面を連続して斜め に横断するように形成したから、接地面積を従来と比較して大きく減らさずに済 むことで、車体揺動による作業性の悪化が防止できると共に、凹部の増加により 土への食い込みが良くなり、したがって履帯スリップが少なくなって牽引力を増 加させることができる。 As described above, the present invention provides a rubber crawler belt according to claim 1 in which an endless rubber belt wound around a running portion of a tracked vehicle is embedded with a metal cored bar that meshes with each tooth of the starting wheel. The rubber crawler belt is provided with an engaging hole for engagement with the starting wheel between the adjacent cores at the center in the width direction on the ground side, and the central portion of the lug 3 provided between the engaging holes adjacent in the circumferential direction. The pitches are divided into a composite lug that connects two adjacent parts with an engaging hole in between and a single lug, and the parts are arranged alternately. The left and right branch parts of both lugs are diagonally rearward from the center part. The lugs are arranged so that the left and right shapes of the lugs in the track width direction are offset by one pitch, and between the composite lug and the single lug the half of the track in the circumferential direction. The recesses of the width and the crawler belt width are alternately formed. In addition, since the composite lugs were formed so as to cross three adjacent metal core projection planes continuously and diagonally, the ground contact area does not have to be greatly reduced compared to the conventional method, and work by body swing is performed. It is possible to prevent deterioration of the sex and to improve the bite into the soil due to the increase of the recesses, so that the track slip is reduced and the traction force can be increased.
【図１】本考案にかかるゴム履帯のラグパタ−ンの部分
平面を示す一実施例の説明図である。1 is an explanatory view of an embodiment showing a partial plane of a lug pattern of a rubber crawler belt according to the present invention.
【図２】従来のゴム履帯のラグパタ−ンの部分の一例を
示し、（ａ）は側面、（ｂ）は平面の説明図である。FIG. 2 shows an example of a lug pattern portion of a conventional rubber crawler belt, (a) is a side view and (b) is a plan view.
【図３】図２のゴム履帯のラグパタ−ンを牽引力性能向
上させるために切削により変形させた場合の一例を示す
説明図である。FIG. 3 is an explanatory view showing an example of a case where the lug pattern of the rubber crawler belt of FIG. 2 is deformed by cutting in order to improve traction force performance.
１ ゴム履帯 ２ 芯金 ３ 係合穴 ４ ラグ ４ａ 中央部分 ４ｂ 分岐部分 ４ｃ 分岐部分 ４1 複合ラグ ４2 単一ラグ ５ 凹部 ６ 凹部 Ｌ ３ピッチ 1 rubber crawler belt 2 core metal 3 engaging hole 4 lug 4a center part 4b branch part 4c branch part 41 composite lug 42 single lug 5 recess 6 recess L 3 pitch
Claims (2)
ゴムベルトに、起動輪の１歯毎に噛み合う金属芯金を埋
設したゴム履帯において、該ゴム履帯の接地側の幅方向
中央部の隣合う芯金間に起動輪との噛み合い係合穴を設
け、周長方向に隣合う該係合穴の間に設けたラグの中央
部分の３ピッチ間を、係合穴を挟んで隣合う２個を連結
した複合ラグと、単一ラグとに分割して互い違いに配列
し、両ラグの左右の分岐部分を中央部分からそれそれ斜
め後方に遠ざかるように形成して、該ラグの履帯幅方向
の左右の形状は１ピッチだけずれるように配設すると共
に、前記複合ラグと単一ラグとの間には、周長方向に履
帯の半分幅と履帯幅の凹部が交互に存在するように形成
したことを特徴とするゴム履帯のラグパタ−ン。1. A rubber crawler belt in which an endless rubber belt wound around a running portion of a tracked vehicle is embedded with a metal cored bar that meshes with each tooth of a starting wheel. Of the lugs provided between the adjacent cores of the lug meshing with the starting wheel, and sandwiching the engagement holes between the three pitches of the central portion of the lug provided between the adjacent engagement holes in the circumferential direction. Divide into a composite lug that connects two matching lugs and a single lug and arrange them alternately, and form the left and right branch portions of both lugs so as to move away from the central portion to the diagonally rearward side, and the track of the lug. The left and right shapes in the width direction are arranged so as to be offset by one pitch, and between the composite lug and the single lug, concave portions of the track width and the track width are alternately present in the circumferential direction. A rubber crawler rug pattern characterized by being formed on.
はそれぞれ隣合う３個の芯金投影面を連続して斜めに横
断するように形成したことを特徴とする請求項１記載の
ゴム履帯のラグパタ−ン。2. The rubber crawler track according to claim 1, wherein, of the two lugs, at least the composite lug is formed so as to continuously and obliquely cross three adjacent core metal projection surfaces. Rug pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993003062U JP2578638Y2 (en) | 1993-01-12 | 1993-01-12 | Rubber track lug pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993003062U JP2578638Y2 (en) | 1993-01-12 | 1993-01-12 | Rubber track lug pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0655973U true JPH0655973U (en) | 1994-08-02 |
| JP2578638Y2 JP2578638Y2 (en) | 1998-08-13 |
Family
ID=11546846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993003062U Expired - Lifetime JP2578638Y2 (en) | 1993-01-12 | 1993-01-12 | Rubber track lug pattern |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2578638Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100819198B1 (en) * | 2003-01-09 | 2008-04-02 | 가부시키가이샤 브리지스톤 | Rubber crawler |
| JP2008254540A (en) * | 2007-04-03 | 2008-10-23 | Xenith Track Co Ltd | Elastic crawler |
-
1993
- 1993-01-12 JP JP1993003062U patent/JP2578638Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100819198B1 (en) * | 2003-01-09 | 2008-04-02 | 가부시키가이샤 브리지스톤 | Rubber crawler |
| JP2008254540A (en) * | 2007-04-03 | 2008-10-23 | Xenith Track Co Ltd | Elastic crawler |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2578638Y2 (en) | 1998-08-13 |
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