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EP1533426A1 - Klingenvorrichtung - Google Patents

Klingenvorrichtung Download PDF

Info

Publication number
EP1533426A1
EP1533426A1 EP03717641A EP03717641A EP1533426A1 EP 1533426 A1 EP1533426 A1 EP 1533426A1 EP 03717641 A EP03717641 A EP 03717641A EP 03717641 A EP03717641 A EP 03717641A EP 1533426 A1 EP1533426 A1 EP 1533426A1
Authority
EP
European Patent Office
Prior art keywords
blade body
width
width expansion
blade
mounting
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.)
Granted
Application number
EP03717641A
Other languages
English (en)
French (fr)
Other versions
EP1533426B1 (de
EP1533426A4 (de
Inventor
Meiichi SHIN CATERPILLAR MITSUBISHI LTD. ONO
Shigeru SEIRYO ENGINEERING K.K. OBINATA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar SARL
Original Assignee
Caterpillar Mitsubishi Ltd
Shin Caterpillar Mitsubishi Ltd
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 Caterpillar Mitsubishi Ltd, Shin Caterpillar Mitsubishi Ltd filed Critical Caterpillar Mitsubishi Ltd
Publication of EP1533426A1 publication Critical patent/EP1533426A1/de
Publication of EP1533426A4 publication Critical patent/EP1533426A4/de
Application granted granted Critical
Publication of EP1533426B1 publication Critical patent/EP1533426B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/815—Blades; Levelling or scarifying tools
    • E02F3/8155—Blades; Levelling or scarifying tools provided with movable parts, e.g. cutting discs, vibrating teeth or the like

Definitions

  • This invention concerns a blade device that can be changed in width.
  • a blade device mounted to a main machine body, is made variable in width in correspondence to the width variation of travelling devices at the respective sides of the main machine body.
  • a main blade body which is long in the width direction, has a fixed width dimension, and for width expansion, width expansion blade body are mounted to end parts in the width direction of the main blade body.
  • the width expansion blade body are housed by being mounted to the back face side of the main blade body.
  • a pair of upper and lower main blade brackets are disposed at the back face of a main blade body and a pair of upper and lower width expansion blade brackets, which overlap with the upper and lower faces of the main blade brackets, are disposed at the back face of a width expansion blade body.
  • the width expansion blade body is positioned at an end part of the main blade body, the width expansion blade brackets are overlapped with the upper and lower faces of the main blade brackets, and two pins are inserted from above into these width expansion blade brackets and main blade brackets to fix the brackets.
  • the two pins are pulled out to remove the width expansion blade body from the main blade body, the width expansion blade is positioned at the back face blade of the main blade body upon turning around the front and back faces, the width expansion blade brackets are overlapped with the upper and lower faces of the main blade brackets, and the two pins are inserted from above into these width expansion blade brackets and main blade brackets to fix the brackets.
  • loads in the front/back direction of the width expansion blade body are received by the two pins that have been inserted into the width bade brackets and the main blade brackets.
  • a cylindrical mounting cylinder which is opened in the width direction of a main blade body, is provided at the back face of the main blade body, and a columnar mounting shaft, which is inserted into the mounting cylinder, is provided at the back face of a width expansion blade body.
  • the mounting shaft is inserted from the outer end side of the mounting cylinder, the width expansion blade body is positioned at an end part of the main blade body, and a single pin is inserted into mounting holes, which are provided in the mounting cylinder and the mounting shaft and respectively intersect the axial direction, to fix the cylinder and the shaft.
  • the pin is drawn out and after removing the width expansion blade body from the main blade body, the width expansion blade body is positioned at the back face side of the main blade body upon turning around the front and back faces, the mounting shaft is inserted from the inner end side of the mounting cylinder, and the single pin is inserted into the mounting hole of the mounting cylinder and the mounting hole of the mounting shaft to fix the cylinder and the shaft.
  • the mounting shaft that has been inserted into the mounting cylinder is rotatable, by inserting the pin into the mounting hole of the mounting cylinder and the mounting hole of the mounting shaft, the width expansion blade body is prevented from rotating with respect to and falling out from the main blade body.
  • the pin in inserting the pin, the pin must be inserted upon matching the positions of the mounting hole of the mounting cylinder and the mounting hole of the mounting shaft while supporting the width expansion blade body against the center-of-gravity balance.
  • the pin therefore cannot be inserted readily.
  • the edge part of the mounting hole of the mounting shaft which tends to rotate in accordance with the center-of-gravity balance of the width expansion blade body, presses against the pin. The pin therefore cannot be extracted readily.
  • This invention has been made in view of such points and an obj ect thereof is to provide a blade device, which is lightened in the burden placed on a latching member and with which the attachment and detachment of the latching member can be carried out readily.
  • This invention's blade device comprises: a main blade body, in turn comprising a main blade, which is long in the width direction, and mounting parts, each disposed at an end part in the width direction of the back face of the main blade and having formed therein a mounting hole, which is opened in the width direction and with which the cross section in the direction intersecting the width direction is non-circular; width expansion blade bodies, each in turn comprising a width expansion blade, which can be positioned at an end part in the width direction of the main blade, and a fitting part, which is disposed at the back face of the width expansion blade and inserts removably into a mounting hole of the main blade body, the width expansion blade being positioned at the end part of the main blade by the fitting of the fitting part from the outer end side of the mounting hole; and latching members, each detachably latching the fitting part of a width expansion blade body that has been fitted into a mounting hole of the main blade body.
  • each width expansion blade body is arranged so that the width expansion blade is positioned at the back face side of the main blade by the fitting of the fitting part from the inner end side of a mounting hole of the main blade body.
  • a width expansion blade can thus be housed at the back face side of the main blade body when it is not used.
  • the main blade body is equipped with supporting arms, each of which supports an intermediate part in the width direction of the back face of the main blade body, the length in the width direction, including the fitting part, of each width expansion blade body is longer than the interval between a supporting arm and the inner end side of a mounting hole, and each fitting part is enabled to be inserted and removed from the inner end side of a mounting hole by a change of orientation of the width expansion blade body.
  • the fitting part of a width expansion blade body can be inserted and removed from the inner end side of a mounting hole.
  • each mounting part of the main blade body comprises a back face plate of the main blade, a pair of main blade brackets, extending from the back face plate to the supporting arm and spaced apart from each other, and a supporting part, disposed opposite the back face plate and between the pair of main blade brackets, and by shared use of the back face plate equipped by the main blade body and the main blade brackets, each mounting part can be arranged in a simple manner.
  • each width expansion blade body has a notched part, which allows changing, with respect to the supporting part of a mounting part of the main blade body, of the orientation of the width expansion blade body that is inserted and removed from the inner end side of the corresponding mounting hole.
  • the orientation of the width expansion blade body that is inserted and removed from the inner end side of the mounting hole can thus be changed readily.
  • each latching member has a single pin, which is inserted into a mounting part of the main blade body and into the fitting part of the width expansion blade body that has been fitted into the mounting hole of the mounting part.
  • the fitting part of the width expansion blade body that has been fitted into the mounting hole of the main blade body can thus be latched with a single pin and the latching member can be attached and detached readily.
  • each latching member has a single pin, which is inserted into a mounting part of the main blade body and into the fitting part of the width expansion blade body that has been fitted into the mounting hole of the mounting part, and a rotation stopping part, which is inserted into the mounting part of the main blade body and into the fitting part of the width expansion blade body that has been fitted from the inner end side of the mounting hole of the mounting part.
  • the fitting part of the width expansion blade body that is fitted into a mounting hole of the main blade body can thus be latched with a single pin and the latching member can be attached and detached readily.
  • the rotation of the fitting part of the width expansion blade body that has been fitted from the inner end side of the mounting hole is prevented by the rotation stopping part, enabling prevention of the jittering of the width expansion blade body in the housed state.
  • Fig. 6 and Fig. 7 show a hydraulic shovel 11 as an example of a working machine.
  • This hydraulic shovel 11 comprises a main machine body 12 and travelling devices 13, disposed at the respective sides in the width direction of main machine body 12.
  • Main machine body 12 has an upper rotating body 16 mounted, in a manner enabling rotation via a rotating part 15, to a lower travelling body 14, which can be made to travel by travelling devices 13 at both sides.
  • a driving seat 18 is mounted to an upper part of upper rotating body 16, and a working device 19 for excavation is mounted to the front face of upper rotating body 16.
  • Lower travelling body 14 has an unillustrated travelling base, travelling devices 13 are positioned at both sides of this travelling base, and rotating part 15 is positioned at the upper face of the travelling base.
  • Travelling devices 13 at both sides may be of a type that can be expanded or contracted in the width direction by means of a width varying device or of a type that does not have a width varying device and is not expanded or contracted in the width direction. With this embodiment, expansion and contraction in the width direction are enabled.
  • a blade device 17 is mounted by being pivotally supported in a manner enabling swinging in the vertical direction with respect to the front side of the travelling base of lower travelling body 14 and is swung in the vertical direction by a hydraulic cylinder 20, disposed between the blade device and the travelling base.
  • Blade device 17 is arranged to be changeable in width in an expanding or contracting manner as necessary. That is, as shown in Fig. 7, blade device 17 is equipped with a main blade body 21, which is mounted to main machine body 12, width expansion blade bodies 22, mounted in a detachable manner to the respective end parts in the width direction of main blade body 21, and latching members 23, latching these width expansion blade bodies 22 to main blade body 21.
  • blade device 17 is expanded in width by width expansion blade bodies 22 being mounted to the respective end parts in the width direction of main blade body 21 as indicated by the alternate long and two short dashes lines in Fig.
  • blade device 17 is contracted in width by width expansion blade bodies 22 being removed from the respective end parts in the width direction of main blade body 21 and housed at the back face side of main blade body 21 as indicated by the solid lines in Fig. 7.
  • Blade device 17 is shown in Fig. 1 through Fig. 5.
  • Main blade body 21 of this blade device 17 has a main blade 31, which is an excavation plate that is formed to have a concavely curved cross sectional shape at the front face side and to be long in the width direction, and at both ends of this main blade 31 are mounted end plates 33, each being provided with a suspending hole 32.
  • a back face plate 34 is mounted to the back face of main blade 31 and at intermediate parts in the width direction of this back face plate 34 are mounted a pair of supporting arms 35 that are pivotally supported in a swingable manner by main machine body 12, that is, by the travelling base of lower travelling body 14.
  • a connection part 36 is connected between the inner faces of these pair of supporting arms 35 and a hydraulic cylinder 20 is connected to connection part 36.
  • a pair of main blade brackets 37 At the outer face side of each supporting arm 35 are mounted a pair of main blade brackets 37, which extend from back face plate 34 to supporting arm 35 and are separated from each other in the vertical direction.
  • mounting parts 38 for detachably mounting width expansion plates 22.
  • Each mounting part 38 is formed as a box structure having back face plate 34, the pair of upper and lower main blade brackets 37, and a plate-shaped supporting part 39, which opposes back face plate 34 in parallel between main blade brackets 37.
  • a mounting hole 40 which opens through in the width direction and with which the cross section in the direction intersecting the width direction is non-circular, that is, rectangular.
  • Mounting part 38 has formed therein latching holes 41, which pass coaxially through the pair of upper and lower main blade brackets 37 in the vertical direction, and an engaging hole 42, which passes through the upper main blade bracket 37 in the vertical direction alongside latching holes 41.
  • Engaging hole 42 is formed to have a slot-like shape that is long in the direction of latching holes 41.
  • Each end plate 33 has a notched part 44 formed in correspondence to the shape of the opening of mounting hole 40.
  • Each width expansion blade body 22 has a width expansion blade 51, which is formed to have the same cross sectional shape as main blade body 31, that is, a cross sectional shape, which is concavely curved at the front face side, and end plates 52 and 53 are respectively mounted to one end and the other end in the width direction of this width expansion blade 51.
  • a fitting part 54 which is removably inserted into mounting hole 40 of mounting part 38 of main blade body 21, is positioned at the back face of each width expansion blade 51.
  • This fitting part 54 has a pair of upper and lower width expansion blade brackets 55 that are mounted to the back face of width expansion blade 51, and the ends at one side of these width expansion blade brackets 55 protrude from one end side of width expansion blade 51 and fitting part 54 is formed at the protruding parts at the ends at one side of these width expansion blade brackets 55.
  • the cross sectional shape of fitting part 54 is formed to a non-circular shape, that is, a substantially rectangular shape by the upper and lower faces and front and rear faces of the upper and lower width expansion blade brackets 55 and is formed to a shape enabling fitting into mounting hole 40 of mounting part 38.
  • fitting part 54 is fitted from the outer end side of mounting hole 40 of mounting part 38 and width expansion blade 51 is thereby positioned at an end part of main blade 31.
  • fitting part 54 is fitted from the inner end side of mounting hole 40 of mounting part 38 and width expansion blade 51 is thereby positioned in a housed manner at the back face side of main blade 31.
  • the position of width expansion blade body 22 is set in a restricted manner with respect to main blade body 21 in regard to its position in the front/rear direction, vertical direction, and direction of rotation about the fitted portion, and loads in the front/rear direction, vertical direction, and direction of rotation about the fitted portion that are applied during work can be received by mounting part 38, which has a box structure.
  • the length L1 of width expansion blade body 22, including fitting part 54 is longer than the interval L2 between supporting arm 35 and the inner end side of mounting hole 40 of main blade body 21, by a change of orientation by rotational movement of width expansion blade body 22 as shown in Fig. 3, fitting part 54 can be inserted and removed from the inner end side of mounting hole 40.
  • a guide part 56 which has been chamfered obliquely to serve as a guide for insertion of fitting part 54 into mounting hole 40 during width expansion and to prevent interference of fitting part 54 with back face plate 34 of main blade body 21 during the housing process.
  • a notched part 57 which, in the housing process, allows a change of orientation by rotational movement of width expansion blade body 22 with respect to supporting part 39 of mounting part 38 for insertion or removal of fitting part 54 from the inner end side of mounting hole 40 as shown in Fig. 3.
  • Latching holes 58 which are positioned so as to be coaxial to latching holes 41 of mounting part 38 in the state in which the pair of upper and lower width expansion blade brackets 55 of fitting part 54 are fitted in mounting hole 40 of mounting part 38, are formed through the brackets in the vertical direction, and in the upper width expansion blade bracket 55 are formed engaging holes 59 and 60, which are positioned coaxial to engaging hole 42 of mounting part 38.
  • These engaging holes 59 and 60 are disposed at two locations at the front end side and the base end side of fitting part 54 for the width expansion process, in which fitting part 54 is fitted from the outer end side of mounting hole 40, and for the housing process, in which insertion is performed from the inner end side.
  • Latching member 23 has a single, columnar pin 71, which is removably inserted into latching holes 41 of mounting part 38 and latching holes 58 of fitting part 54, and a handle 72 for the insertion and removal operation of pin 71 is fixed to one end of pin 71.
  • Handle 72 is formed by bending a columnar wire rod into a substantially U-like shape, is fixed at one end side to pin 71, and has formed, at the front end of this one end side, a rotation stopping part 73, which is bent so as to be parallel to pin 71 and is inserted into engaging hole 42 of mounting part 38 and engaging hole 59 or engaging hole 60 of fitting part 54.
  • the inner diameter of the upper latching hole 41 is formed at a dimensional precision that is comparatively high with respect to the outer diameter of pin 71.
  • the dimensional precision of the lower latching hole 41 may be made lower in comparison to that of the upper latching hole 41 to facilitate manufacture.
  • blade device 17 is expanded in width in accompaniment with the width expansion of travelling devices 13 at the respective sides of hydraulic shovel 11.
  • fitting part 54 of a width expansion blade body 22 is inserted and fitted from the outer end side of mounting hole 40 of a mounting part 38 of main blade body 21 and width expansion blade body 22 is thereby positioned at an end part of main blade body 21 as shown in Fig. 1, Fig. 2, and Fig. 4.
  • width expansion blade body 22 is set and restricted in position in the front/rear direction, vertical direction, and direction of rotation about the fitted portion with respect to main blade body 21, and thus latching holes 58 and engaging hole 59 of fitting part 54 are respectively positioned coaxial to latching holes 41 and engaging hole 42 of mounting part 38.
  • Pin 71 of latching tool 23 is matched to latching holes 41 of mounting part 38 and inserted into these latching holes 41 and latching holes 58 of fitting part 54, and furthermore, rotation stopping part 73 is matched to engaging hole 42 and inserted into this engaging hole 42 and engaging hole 59 of fitting part 54.
  • Rotation stopping part 73 functions to prevent the rotation of latching member 23, including pin 71.
  • width expansion blade body 22 In this width-expanded state in which width expansion blade body 22 is positioned at the end part of main blade body 21 with fitting part 54 being fitted from the outer end side of mounting hole 40, loads of the vertical direction, front/rear direction, and direction of rotation about the fitted portion that are applied to width expansion blade body 22 can be received by mounting part 38 with a box structure.
  • Latching member 23 which latches fitting part 54 that has been fitted into mounting hole 40 of mounting part 38, thus functions only as a part for preventing the fall-out of fitting part 54 and the burden placed on latching member 23 can thus be lightened. Latching by just the single pin 71 of latching member 23 is thus enabled.
  • mounting part 38 with a box structure can be arranged simply by shared use of back face plate 34 and main blade brackets 37, which are generally equipped by main blade body 21.
  • blade device 17 is contracted in width in accompaniment with the contraction of width of travelling devices 13 at the respective sides of hydraulic shovel 11 as shown in Fig. 7.
  • fitting part 54 of a width expansion blade body 22 is fitted by insertion from the inner end side of a mounting hole 40 of main blade body 21 to position width expansion blade body 22 at the back face side of main blade body 21 as shown in Fig. 3.
  • fitting part 54 can be inserted and fitted at the inner end side of mounting hole 40 by a change of orientation by rotational movement of width expansion blade body 22.
  • notched part 57, provided at fitted part 54 of width expansion blade body 22 allows the change of orientation by rotational movement of width expansion blade body 22, which is inserted into the inner end side of mounting hole 40, with respect to supporting part 39 of mounting part 38 of main blade body 21.
  • width expansion blade body 22 is set and restricted in position in the front/rear direction, vertical direction, and direction of rotation about the fitted portion with respect to main blade body 21, and thus latching holes 58 and engaging hole 60 of fitting part 54 are respectively positioned coaxial to latching holes 41 and engaging hole 42 of mounting part 38.
  • Pin 71 of latching tool 23 is matched to latching holes 41 of mounting part 38 and inserted into these latching holes 41 and latching holes 58 of fitting part 54, and furthermore, rotation stopping part 73 is matched to engaging hole 42 and inserted into this engaging hole 42 and engaging hole 60 of fitting part 54.
  • width expansion blade body 22 can positioned and housed at the back face side of main blade body 21.
  • the work can be performed by removing fitting part 54 from mounting hole 40 of mounting part 38 by drawing out pin 71 and rotation stopping part 73 of latching member 23 from mounting part 38 and fitting part 54.
  • blade device 17 By use of such a blade device 17, a hydraulic shovel 11 or other working machine that exhibits the above-described actions and effects of blade device 17 can be provided.
  • latching member 23 is equipped with a single pin 71 and a rotation stopping part 73, as long as at least pin 71 is equipped, fitting part 54, which has been fitted into mounting hole 40 of mounting part 38 can be latched and prevented from falling out. Though in this case, jittering of width expansion blade body 22 will occur when width expansion blade body 22 is housed, the jittering of width expansion blade body 22 can be prevented by devising the shape of fitting part 54, etc. so that the position in the direction of rotation about pin 71 can be set and fixed.
  • a fall-out prevention structure may be employed wherein, by rotation of latching member 23 in the state in which pin 71 is inserted in mounting part 38, one end of handle 72 is engaged or released, for example, with respect to an L-shaped metal member provided on mounting part 38 and the falling out of pin 71 is prevented by the engagement of this end of handle 72 and the metal member.
  • latching member 23 is not limited to pin 71, and a tightening means that includes a bolt and a nut may be used instead, and in the case where such a tightening means is used, the latched state of mounting part 38 and fitting part 54 can be maintained securely.
  • blade device 17 is applied to a hydraulic shovel 11, with an arrangement wherein travelling devices 13 at the respective sides of lower travelling body 14 are enabled to expand and contract in the width direction by a width varying device
  • application to a hydraulic shovel 11, with an arrangement without a width varying device and wherein travelling devices 13 at the respective sides of lower travelling body 14 do not expand or contract in the width direction is also possible and the same operations and effects are exhibited in such a case as well.
  • This invention's blade device can be applied not only to hydraulic shovels but widely for resolving problems of working machines equipped with a blade device that is enabled to be changed in width.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Body Structure For Vehicles (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP03717641A 2002-08-22 2003-04-18 Klingenvorrichtung Expired - Lifetime EP1533426B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002242463 2002-08-22
JP2002242463A JP4002807B2 (ja) 2002-08-22 2002-08-22 ブレード装置
PCT/JP2003/004958 WO2004018783A1 (ja) 2002-08-22 2003-04-18 ブレード装置

Publications (3)

Publication Number Publication Date
EP1533426A1 true EP1533426A1 (de) 2005-05-25
EP1533426A4 EP1533426A4 (de) 2009-10-21
EP1533426B1 EP1533426B1 (de) 2010-11-03

Family

ID=31944019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03717641A Expired - Lifetime EP1533426B1 (de) 2002-08-22 2003-04-18 Klingenvorrichtung

Country Status (5)

Country Link
US (1) US20050126052A1 (de)
EP (1) EP1533426B1 (de)
JP (1) JP4002807B2 (de)
DE (1) DE60334806D1 (de)
WO (1) WO2004018783A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770221A2 (de) 2005-09-28 2007-04-04 Kobleco Construction Machinery Co., Ltd. Arbeitsmaschine
CN102587430A (zh) * 2012-03-09 2012-07-18 三一重机有限公司 一种设有调节结构的加长型推土铲
EP2712965A1 (de) * 2012-09-27 2014-04-02 CNH Italia S.p.A. An beiden Seiten klappbares Planierraupenräumschild
EP3049583A4 (de) * 2013-09-26 2017-05-24 9277-9347 Québec Inc. Ausrüstung zur bildung von oberflächen, verfahren zur herstellung und verwendung der ausrüstung zur bildung von oberflächen und mobile einheit mit der ausrüstung zur bildung von oberflächen

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US20070089327A1 (en) * 2005-10-21 2007-04-26 Watson Gary E Plow with blade wing
GB2491202B (en) * 2011-05-27 2015-08-12 Caterpillar Inc Work machine blade
JP6331131B2 (ja) * 2014-06-02 2018-05-30 コベルコ建機株式会社 幅可変のブレード装置
DK3565928T3 (da) 2017-01-05 2021-09-06 9407 4895 Quebec Inc Skrabeindretning til rydning af en vejbaneoverflade

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PATENT ABSTRACTS OF JAPAN
See also references of WO2004018783A1

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770221A2 (de) 2005-09-28 2007-04-04 Kobleco Construction Machinery Co., Ltd. Arbeitsmaschine
EP1770221A3 (de) * 2005-09-28 2011-05-18 Kobelco Construction Machinery Co., Ltd. Arbeitsmaschine
CN102587430A (zh) * 2012-03-09 2012-07-18 三一重机有限公司 一种设有调节结构的加长型推土铲
CN102587430B (zh) * 2012-03-09 2014-08-20 三一重机有限公司 一种设有调节结构的加长型推土铲
EP2712965A1 (de) * 2012-09-27 2014-04-02 CNH Italia S.p.A. An beiden Seiten klappbares Planierraupenräumschild
EP3049583A4 (de) * 2013-09-26 2017-05-24 9277-9347 Québec Inc. Ausrüstung zur bildung von oberflächen, verfahren zur herstellung und verwendung der ausrüstung zur bildung von oberflächen und mobile einheit mit der ausrüstung zur bildung von oberflächen
US10267015B2 (en) 2013-09-26 2019-04-23 9277-9347 Quebec Inc. Surface-forming equipment and motorized surface-forming equipment
US11072907B2 (en) 2013-09-26 2021-07-27 9277-9347 Québec Inc. Method for mounting a surface-formation equipment to a mobile unit

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WO2004018783A1 (ja) 2004-03-04
US20050126052A1 (en) 2005-06-16
EP1533426B1 (de) 2010-11-03
JP4002807B2 (ja) 2007-11-07
DE60334806D1 (de) 2010-12-16
JP2004084176A (ja) 2004-03-18
EP1533426A4 (de) 2009-10-21

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