WO2011040606A1 - スプロケット、及び、それを備えたゴムクローラ組込体 - Google Patents

スプロケット、及び、それを備えたゴムクローラ組込体 Download PDF

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Publication number
WO2011040606A1
WO2011040606A1 PCT/JP2010/067276 JP2010067276W WO2011040606A1 WO 2011040606 A1 WO2011040606 A1 WO 2011040606A1 JP 2010067276 W JP2010067276 W JP 2010067276W WO 2011040606 A1 WO2011040606 A1 WO 2011040606A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber crawler
sprocket
width direction
rubber
thickness direction
Prior art date
Application number
PCT/JP2010/067276
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
穣 安孫子
Original Assignee
株式会社ブリヂストン
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社ブリヂストン filed Critical 株式会社ブリヂストン
Priority to CN201080043663.1A priority Critical patent/CN102686475B/zh
Priority to KR1020127010018A priority patent/KR101419144B1/ko
Publication of WO2011040606A1 publication Critical patent/WO2011040606A1/ja
Priority to IN2776DEN2012 priority patent/IN2012DN02776A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
    • B62D55/244—Moulded in one piece, with either smooth surfaces or surfaces having projections, e.g. incorporating reinforcing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
    • B62D55/253—Tracks of continuously flexible type, e.g. rubber belts having elements interconnected by one or more cables or like elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/12—Arrangement, location, or adaptation of driving sprockets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/12—Arrangement, location, or adaptation of driving sprockets
    • B62D55/125—Final drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks

Definitions

  • the present invention relates to a sprocket that transmits a driving force to a rubber crawler and a rubber crawler assembly including the sprocket.
  • rubber crawlers have recently been used in the traveling parts of vehicles such as construction machinery and agricultural machinery, and the driving force is transmitted to the rubber crawlers using sprockets. It has become.
  • a rubber crawler having an inner peripheral surface formed with a drive protrusion made of a rubber lump at a constant pitch is widely known.
  • the drive protrusion is a protrusion-like object raised in a mountain shape on the inner peripheral surface of the rubber crawler, and the driving force is applied to the rubber crawler by engaging the teeth of a sprocket attached to the drive shaft with the drive protrusion.
  • the sprocket and the rubber crawler may move relative to each other in the sprocket thickness direction (that is, the rubber crawler width direction) due to running and stopping. There was a concern that the engagement with would be insufficient.
  • the present invention provides a sprocket capable of setting the relative movement distance of the sprocket and the rubber crawler in the thickness direction of the sprocket within a restricted range, and a rubber crawler assembly including the sprocket. This is the issue.
  • the invention according to claim 1 is formed on the side surface of the sprocket that is formed on the side surface of the sprocket and a tooth portion that engages with an engaging portion formed on the inner peripheral side of the rubber crawler and transmits a driving force to the rubber crawler. And a regulating portion that regulates a relative movement distance of the rubber crawler in the sprocket thickness direction with respect to the sprocket by abutting the protruding portion extending to the side from the inner side in the rubber crawler width direction.
  • the protruding portion is constituted by a corner portion that constitutes a core metal and protrudes in a convex shape toward the inner peripheral side of the rubber crawler, and a rubber material that covers the corner portion, and the protruding portion is the same position in the width direction of the rubber crawler. Often protrudes as a pair. Further, when a space is formed in the sprocket, the side surface side of the sprocket is the side surface side outside the sprocket.
  • the relative movement distance of the sprocket and the rubber crawler in the sprocket thickness direction (that is, the rubber crawler width direction) reaches the limit of the regulation range.
  • the restricting portion abuts on the inner side in the rubber crawler width direction of the protruding portion to restrict the movement range. Therefore, by providing the sprocket with a simple-shaped restricting portion, the relative movement distance of the sprocket and the rubber crawler in the sprocket thickness direction can be set within the restricting range.
  • the restricting portion may be formed up to the root portion of the tooth portion and may have a ring shape. However, the restricting portion is in contact with the protrusion of the rubber crawler to restrict the relative position between the rubber crawler and the sprocket in the sprocket thickness direction.
  • limiting part may be a bulging part arrange
  • the invention according to claim 2 is a rubber crawler assembly including the sprocket according to claim 1 and a rubber crawler incorporated in the sprocket. Thereby, it can be set as the rubber crawler built-in body which set the relative movement distance of the sprocket thickness direction of a sprocket and a rubber crawler within the regulation range.
  • a recess for receiving the tip end portion of the tooth portion is formed between the engagement portions.
  • the rubber crawler width direction distance L1 between the sprocket thickness direction outer side and the protrusions in the rubber crawler width direction inner side is greater than the rubber crawler width direction distance L2 between the sprocket thickness direction outer side of the tooth portion and the recesses in the rubber crawler width direction inner side. Is also small.
  • the rubber crawler width direction distance L1 is an intersection when the sprocket thickness direction outside of the restricting portion and a straight line drawn from the restricting portion sprocket thickness outside to the rubber crawler width direction intersect with the protrusion in the rubber crawler width direction inside And the distance.
  • the rubber crawler width direction distance L2 described above refers to the time when the tooth portion sprocket thickness direction outer side and the straight line drawn from the tooth portion sprocket thickness direction outer side to the rubber crawler width direction intersect the concave portion of the rubber crawler width direction inner side. The distance from the intersection. Note that it is sufficient that this condition is satisfied at least at positions where the distances L1 and L2 are minimum. According to the fourth aspect of the present invention, it is possible to reliably prevent the sprocket teeth from riding on the outer side of the recess in the width direction of the rubber crawler.
  • the relative movement distance between the sprocket and the rubber crawler in the sprocket thickness direction can be set within the regulation range.
  • a rubber crawler assembly 200 according to an embodiment of the present invention is provided with a sprocket 100 according to the present invention and a rubber crawler 1 to which rotational driving force is transmitted by the sprocket 100. ing.
  • This rubber crawler 1 is a so-called inner peripheral drive type rubber crawler, and has a lug 2 acting on the road surface on the outer peripheral surface side, and an engagement for transmitting a driving force to the rubber crawler itself on the inner peripheral surface side.
  • the part is formed.
  • the engaging portion includes a hard engaging member embedded at a constant pitch in the circumferential direction of the rubber crawler 1 and a recess 3 disposed between the engaging members.
  • the rotation direction of the rubber crawler 1 is referred to as a circumferential direction (rubber crawler circumferential direction) CD, and a direction perpendicular thereto is referred to as a width direction (rubber crawler width direction) RD.
  • a plurality of metal cores 5 which are hard engaging members are embedded in the rubber crawler 1 at a predetermined pitch at intervals in the circumferential direction CD, with the rubber crawler extending in the width direction RD.
  • a pair of corners 5a and 5a are formed at the same position in the rubber crawler width direction on the inner peripheral surface side of the central portion as shown in the figure. That is, the corner portions 5a, 5a formed in a forked shape as a pair protrude from the inner peripheral surface of the rubber crawler 1 toward the inner side (rubber crawler inner peripheral side), and this is covered with the same rubber material as the rubber crawler and protruded It is part 4.
  • positioned on the outer side of the metal core 5 is a reinforcement layer which extends in endless (endless belt shape) to circumferential direction CD so that each metal core 5 may be enclosed, including a steel cord (not shown). is there.
  • the steel cord is a tensile member embedded in the rubber crawler 1 so that the rubber crawler 1 rotates smoothly based on the driving force received from the sprocket 100 while restricting the expansion of the rubber crawler 1 in the circumferential direction CD. Assist.
  • a plurality of recesses 3 for receiving the teeth 101 of the sprocket 100 are formed on the inner peripheral surface of the rubber crawler 1.
  • the recess 3 has a shape in which the inner peripheral surface of the rubber crawler 1 is dented to the grounding surface side (outer peripheral side), and is formed so as to allow the tooth portion 101 of the sprocket 100 to enter.
  • the concave portion 3 may be formed in the shape of a recess having a bottom surface, or may be a through-hole shape having no bottom surface.
  • a structure with improved discharge performance of mud or gravel can be obtained.
  • the contact area with the tooth part 101 can be appropriately adjusted by changing the wall surface shape of the recess 3 with which the tooth part 101 of the sprocket 100 engages (contacts). If the wall surface of the recess 3 is designed so as to increase the contact area, the surface pressure with the tooth portion 101 can be reduced.
  • a wheel (not shown) is a load support wheel that is provided to guide the rubber crawler 1 and stably drive it while supporting a load, and a sprocket 100 serving as a driving wheel and an idler serving as a driven wheel (see FIG. (Not shown) as needed.
  • FIG. 2 is a partial cross-sectional view showing an enlarged engagement portion between the rubber crawler 1 and the sprocket 100.
  • FIG. 3 is a developed plan view of the inner peripheral surface side of the rubber crawler 1. The structure of the rubber crawler 1 will be described in more detail with reference to these drawings.
  • the base portion of the cored bar 5 is generally rectangular in plan shape, and is embedded in the rubber crawler 1 with its longitudinal direction extending in the width direction RD.
  • the pair of corners 5a and 5a described above are formed in the central portion of the cored bar 5 in a mutually separated state.
  • the corner 5a of the metal core 5 has a shape that is longer in the circumferential direction than the dimension in the width direction RD, and has a long shape in the circumferential direction. It is configured so that the rolled wheels can be guided smoothly.
  • the interval between the pair of corner portions 5a and 5a is set so as to ensure an interval at which the sprocket 100 can smoothly rotate.
  • the corner 5a of the metal core 5 formed of a hard material such as metal is covered with the same rubber material as that of the rubber crawler, and becomes a rubber-like protrusion 4 in appearance. Therefore, the sprocket 100 rotates while being guided between the two protrusions 4. Therefore, the distance between the pair of corners 5a is set to be large in consideration of the thickness of the rubber to be covered.
  • the rubber crawler 1 has an engaging portion that engages with the tooth portion 101 of the sprocket 100 and receives a driving force, and a core metal 5 that is a hard engaging member, and a portion between them. And the recessed portion 3 disposed in the.
  • the metal cores 5 are arranged at an equal pitch in the circumferential direction CD, and the recesses 3 are also arranged at an equal pitch so as to receive the teeth of the sprocket at every interval.
  • the recess 3 has a shape (recessed shape) in which the inner peripheral surface (reference numeral 10 in FIG. 2) of the rubber crawler 1 is dented to the ground surface side (outer peripheral side). And the recessed part 3 is arrange
  • the driving force transmitted from the sprocket 100 to the rubber crawler 1 causes the tooth portion 101 of the sprocket 100 to enter the concave portion 3 provided on the inner peripheral surface and engage (contact) with the wall surface of the concave portion 3.
  • the crawler 1 is rotated.
  • the concave portions 3 are arranged between the cored bars 5 embedded at a constant pitch as described above.
  • the recess 3 since the cored bar 5 is positioned before and after the recess 3 in the circumferential direction CD, the recess 3 is positioned before and after. And it becomes a strong structure where the back part of the recessed part 3 is supported by the hard metal core 5.
  • FIG. Therefore, the tooth portion 101 of the sprocket 100 can be indirectly engaged with the cored bar 5 under the deformation of the recess 3 to reliably transmit the driving force.
  • the tooth portion 101 of the sprocket 100 is engaged with the concave portion 3 formed on the inner peripheral surface 10. Therefore, damage to the coupling portion due to the engagement of the tooth portion 101 can be reliably suppressed. Therefore, the durability of the rubber crawler 1 is greatly improved.
  • the rubber crawler 1 of the above-described embodiment is formed to include other structures that are preferably provided in addition to the above-described configuration.
  • a raised surface 20 formed by raising a rubber material is formed on the front and back of the cored bar 5 in the circumferential direction CD.
  • the contact area with the sprocket 100 is reduced and the surface pressure is increased. Therefore, it is desirable to provide a raised surface 20 in which rubber is raised and raised from the inner peripheral surface 10 before and after the central portion of the cored bar 5.
  • the raised surfaces 20 before and after the core bar 5 in this way, it is possible to reliably prevent contact between the central portion of the core bar 5 and an idler (not shown). If the rubber coating at the center of the core 5 becomes thin due to the use of a rubber crawler for a long time, noise may occur due to unintentional contact with the idler.
  • the raised surface 20 which is the surface of the raised part with a thick rubber before and after the cored bar 5, noise generation can also be prevented.
  • a structure in which a groove 25 extending in parallel with the width direction RD is provided between the cored bar 5 and the raised surface 20 is adopted. May be.
  • the rubber crawler 1 When the rubber crawler 1 is continuously rotating, it is periodically wound around the sprocket 100 and the idler. At this time, a large compressive force acts on the portion inscribed in the cored bar 5 and the rubber is likely to be distorted. Therefore, due to this, the inner peripheral surface of the rubber crawler 1 may be damaged and durability may be reduced.
  • FIG. 2 by providing the groove portion 25 so as to secure a space between the core metal 5 and the raised surface 20, strain is concentrated on a part of the inner peripheral surface of the rubber crawler. Can alleviate and prevent damage. That is, the durability can be further improved by providing the groove portion 25 along the core metal 5. In addition, you may make it the structure which does not provide the groove part 25.
  • FIG. 2 by providing the groove portion 25 so as to secure a space between the core metal 5 and the raised surface 20, strain is concentrated on a part of the inner peripheral surface of the rubber crawler. Can alleviate and prevent damage. That is, the durability can be further improved by providing the groove portion 25 along the core metal 5. In addition, you may make it the structure which does not provide the groove part 25.
  • the rubber crawler 1 When manufacturing the rubber crawler 1, it is preferable to embed (incorporate) the core metal 5 in the rubber material while accurately positioning the core metal 5 in the mold. For this purpose, the both sides of the core metal 5 are supported by the support members and positioned. When the support member used in this way is removed after vulcanization, recesses are formed on both sides of the cored bar 5, and the recesses need only be used as grooves, so that the structure including the grooves 25 described above is simple. Can be realized.
  • the sprocket is required to have a structure including a tooth portion 101 that can enter a recess 3 formed on the inner peripheral surface of the rubber crawler 1. Therefore, as shown in FIGS. 1 and 2, the tooth portion 101 may protrude radially outward from the circular base portion serving as the sprocket body.
  • the shape of the tooth portion 101 is not particularly limited, and it is desirable that the tooth portion 101 can ensure a large contact area and reduce the surface pressure when entering the recess 3.
  • the sprocket 100 is formed with a restricting portion 30 that defines the position of the protrusion 4 of the rubber crawler 1 in the rubber crawler width direction.
  • the restricting portion 30 is formed between the adjacent tooth portions 101. Further, the restricting portion 30 is formed on both sides of the sprocket 100.
  • the surface shape of the restricting portion 30 is such that the displacement of the relative position in the rubber crawler width direction between the rubber crawler 1 and the sprocket 100 comes into contact with the inner wall surface shape of the protrusion 4 of the rubber crawler 1.
  • the shape projects in the thickness direction RD. This contact may be a point contact, but is preferably a surface contact.
  • the rubber crawler width direction distance L1 between the 30 sprocket thickness direction outer side 30E and the rubber crawler width direction inner side 4E of the projection 4 is the rubber between the sprocket thickness direction outer side 101E of the tooth portion 101 and the rubber crawler width direction inner side 3E of the concave portion 3. It is preferably smaller than the crawler width direction distance L2. The same applies to the other side in the sprocket thickness direction. As a result, as shown in FIG. 5, it is possible to reliably prevent the tooth portion 101 of the sprocket 100 from riding on the raised surface 20 formed on the outer side in the rubber crawler width direction of the recess 3.
  • the outer peripheral side end 30 ⁇ / b> F of the restricting portion 30 is located on the inner side in the sprocket radial direction than the raised surface 20 of the rubber crawler 1. Thereby, it is avoided that the outer peripheral side end 30F of the restricting portion 30 and the raised surface 20 come into contact with each other and an inadvertent force is applied from the restricting portion 30 to the rubber crawler 1.
  • the sprocket 100 can be easily manufactured by pouring it into a mold or the like.
  • the restricting portions 30 are arranged in a dotted manner at a constant pitch.
  • a shape may be sufficient and the shape of the control part 30 is not specifically limited.
  • FIG. 6 is a view collectively showing examples of the sprocket having the tooth portion 101 that can be engaged with the rubber crawler 1 described above.
  • the sprocket 100 shown in FIGS. 1 and 2 has a shape in which the tooth portion 101 protrudes radially outward from the circular base portion of the main body, which is a general gear shape.
  • the circular base portion and the tooth portion 101 are formed with substantially the same thickness.
  • the sprocket illustrated in FIG. 6 has a thin circular base portion of the main body.
  • the rubber crawler has a structure in which the restriction portion 30 is formed and only the tooth portion 101 is expanded on both sides in the thickness direction (rubber crawler width direction RD) of the circular base portion (projects on both sides in the width direction). The contact area in one recess 3 is increased.
  • the circular base portion which is the main body is thinned to reduce the weight, and the tooth width is increased to a size corresponding to the inner method of the recess 3 to reduce the surface pressure and guide. We are trying to improve the function.
  • FIG. 6 is not limited to the circular base portion of the sprocket body.
  • the circular base portion may be a single round plate-like member having a certain thickness, or two thin disk members are prepared and arranged facing each other, and the tooth portion is arranged therebetween. It is good also as a structure.
  • the latter structure is a sprocket structure called a cage type, and teeth are arranged at a predetermined pitch along the peripheral edge of two thin disk members. And what is necessary is just to set so that a tooth
  • the sprocket thickness direction RD (that is, the rubber crawler width direction RD) between the sprocket 100 and the rubber crawler 1 during traveling, that is, during rotation of the rubber crawler 1 by the sprocket 100.
  • the restriction portion 30 abuts on the inner side in the rubber crawler width direction of the protrusion 4 to restrict the movement range of the rubber crawler 1. Therefore, by providing the sprocket with the restriction portion 30 having a simple shape, the relative movement distance between the sprocket 100 and the rubber crawler 1 in the sprocket thickness direction can be set within the restriction range.
  • gear part 101 of the sprocket 100 is formed in the space
  • the rubber crawler 1 transmits the driving force by engaging the tooth portion 101 of the sprocket 100 with the concave portion 3 formed between the core bars 5 embedded at a constant pitch and backed up by the core bar 5.
  • the cored bar 5 and the recessed part 3 are not deformed or damaged by the force received from the tooth part 101 of the sprocket 100. Therefore, the durability of the rubber crawler can be improved.
  • the transmission efficiency of the driving force can be improved.
  • the rubber crawler 1 can be reliably driven by using together the sprocket 100 which has the tooth

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
PCT/JP2010/067276 2009-10-01 2010-10-01 スプロケット、及び、それを備えたゴムクローラ組込体 WO2011040606A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201080043663.1A CN102686475B (zh) 2009-10-01 2010-10-01 链轮和具有该链轮的橡胶履带组装体
KR1020127010018A KR101419144B1 (ko) 2009-10-01 2010-10-01 스프로킷 및 그것을 구비한 고무 크롤러 조립체
IN2776DEN2012 IN2012DN02776A (ko) 2009-10-01 2012-03-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-230032 2009-10-01
JP2009230032A JP5474480B2 (ja) 2009-10-01 2009-10-01 スプロケット、及び、それを備えたゴムクローラ組込体

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Publication Number Publication Date
WO2011040606A1 true WO2011040606A1 (ja) 2011-04-07

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PCT/JP2010/067276 WO2011040606A1 (ja) 2009-10-01 2010-10-01 スプロケット、及び、それを備えたゴムクローラ組込体

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Country Link
JP (1) JP5474480B2 (ko)
KR (1) KR101419144B1 (ko)
CN (1) CN102686475B (ko)
IN (1) IN2012DN02776A (ko)
WO (1) WO2011040606A1 (ko)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
EP1436895B1 (fr) * 2001-09-27 2010-01-27 Valeo Sécurité Habitacle S.A.S. Capteur de presence destine a etre integre dans une poignee d'un ouvrant de vehicule automobile
JP2013001129A (ja) * 2011-06-10 2013-01-07 Yanmar Co Ltd 作業車両
EP2695801A4 (en) * 2011-04-05 2015-02-25 Bridgestone Corp ADVANCED CRAWLER DEVICE AND ELASTIC CHENILLE
CN108693873A (zh) * 2017-04-11 2018-10-23 苏州宝时得电动工具有限公司 智能机器人

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JP5444080B2 (ja) * 2010-03-29 2014-03-19 株式会社クボタ クローラ走行装置
JP5444081B2 (ja) * 2010-03-29 2014-03-19 株式会社クボタ クローラ走行装置
JP5878314B2 (ja) * 2011-07-26 2016-03-08 株式会社ブリヂストン スプロケット、弾性クローラ組込体
CN109159345A (zh) * 2018-08-16 2019-01-08 上海永明机械制造有限公司 一种双履带型成型机侧链挡块自动同步运行装置及方法
US11572115B2 (en) * 2019-07-17 2023-02-07 Srj, Inc. Tread pattern

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JP2001055180A (ja) * 1999-08-17 2001-02-27 Bridgestone Corp ゴムクローラ用芯金
JP2009078796A (ja) * 2007-09-05 2009-04-16 Bridgestone Corp ゴムクローラ及びこれに適したスプロケット

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JP4699876B2 (ja) * 2004-11-29 2011-06-15 株式会社ブリヂストン ゴムクロ−ラ走行装置
CN100493977C (zh) * 2004-11-29 2009-06-03 株式会社普利司通 橡胶履带行走装置
JP2008201354A (ja) * 2007-02-22 2008-09-04 Bridgestone Corp ゴムクローラ
JP5097482B2 (ja) * 2007-09-04 2012-12-12 株式会社ブリヂストン ゴムクローラおよびそのゴムクローラ用芯金
JP2009067241A (ja) * 2007-09-13 2009-04-02 Bridgestone Corp ゴムクローラ用芯金およびそれを用いたゴムクローラ

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Publication number Priority date Publication date Assignee Title
JP2000142505A (ja) * 1998-11-16 2000-05-23 Bridgestone Corp 低振動ゴムクローラ
JP2001055180A (ja) * 1999-08-17 2001-02-27 Bridgestone Corp ゴムクローラ用芯金
JP2009078796A (ja) * 2007-09-05 2009-04-16 Bridgestone Corp ゴムクローラ及びこれに適したスプロケット

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1436895B1 (fr) * 2001-09-27 2010-01-27 Valeo Sécurité Habitacle S.A.S. Capteur de presence destine a etre integre dans une poignee d'un ouvrant de vehicule automobile
EP2695801A4 (en) * 2011-04-05 2015-02-25 Bridgestone Corp ADVANCED CRAWLER DEVICE AND ELASTIC CHENILLE
JP2013001129A (ja) * 2011-06-10 2013-01-07 Yanmar Co Ltd 作業車両
CN108693873A (zh) * 2017-04-11 2018-10-23 苏州宝时得电动工具有限公司 智能机器人

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Publication number Publication date
KR101419144B1 (ko) 2014-07-11
KR20120065418A (ko) 2012-06-20
JP2011073651A (ja) 2011-04-14
IN2012DN02776A (ko) 2015-09-18
JP5474480B2 (ja) 2014-04-16
CN102686475A (zh) 2012-09-19
CN102686475B (zh) 2015-02-18

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