CN1468340A - Coupling system for the teeth of an excavator - Google Patents
Coupling system for the teeth of an excavator Download PDFInfo
- Publication number
- CN1468340A CN1468340A CNA018167861A CN01816786A CN1468340A CN 1468340 A CN1468340 A CN 1468340A CN A018167861 A CNA018167861 A CN A018167861A CN 01816786 A CN01816786 A CN 01816786A CN 1468340 A CN1468340 A CN 1468340A
- Authority
- CN
- China
- Prior art keywords
- auricle
- tooth spare
- normal section
- adaptor
- petiolarea
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2858—Teeth characterised by shape
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Agricultural Machines (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a coupling system for the teeth of an excavator, more specifically, a tooth from which two rectilinear lugs extend in axial direction. Said lugs are substantially parallel to one another and overhanging from the mouth of a central location. The lugs complement two open, rectilinear grooves that are provided, also in rectilinear direction, in a tooth holding element. The straight section of one of the rectilinear lugs of the tooth element, one part of which is concave and substantially complementary to the convex profile of the bottom of the rectilinear grooves of the tooth holding element, has two end segments that are convergently joined in an intermediate segment that differs from the other segments and inciding therein at an angle of approximately 10 DEG to 40 DEG .
Description
The present invention relates to a snap-system that is used for the bucket tooth, the snap-system of the tooth that forms especially for being connected with a tooth spare by an adaptor, adaptor is fixed on the tension side of the bucket of bucket and so on or shovel, tooth spare can with above-mentioned adaptor interlock, and be fixed in the adaptor with one or several pin.
Especially, the present invention relates to such situation: one of wherein above-mentioned adaptor and tooth spare, it perhaps preferably is exactly tooth spare, stretch out two straight line auricles vertically, they are parallel to each other basically, opening from centre chamber overhangs outside vertically, and the complementary relevant straight line open recess that also is arranged on vertically on the adaptor, simultaneously, adaptor is provided with the projection that axially overhangs, its complementation the above-mentioned centre chamber in the tooth spare, the auricle of above-mentioned tooth spare has the inner surface for plane or little arched surface, contacts with the bottom surface of adaptor recess.
Existing several patents relates to the many aspects such as composition, form and structure of tooth spare auricle and corresponding adaptor recess, be worth should be mentioned that following patent: US4,404,760, wherein tooth spare is provided with the relevant flat auricle with an interior step, and it leans against the side of adaptor, there is not positioning recess in the adaptor, on its a part of periphery, slot, be used to insert one and lean against the fork on the step in the tooth spare, so that above-mentioned tooth spare is kept being engaged in the adaptor; US5,379,535, wherein the corresponding recess of the auricle of tooth spare and adaptor is inclination with respect to the assembly axis of interlock, and auricle has the inner surface that is essentially the conical surface, and one of above-mentioned auricle is provided with an inner groovy, is used to insert a pin; US5,386,653, wherein the auricle of tooth spare has towards vertical limit of outer incline and is the inner surface of arch concave curved surface, and the straight line recess has vertical wall of tilting towards the bottom surface, the bottom surface is the arch convex surface; US5,456,029, relate to a supporting member that is used for adaptor, supporting member is provided with the straight line recess, and adaptor is provided with auricle, and above-mentioned straight line recess has towards vertical wall of its bottom surface inclination, and above-mentioned bottom surface has the protruding slightly dihedral angle surface with most advanced and sophisticated limit; EP0835963, wherein the auricle of tooth spare has the vertical limit of shape as the step that descends outwardly, and adaptor has some steps along its vertical wall, their complementations the vertical limit of above-mentioned auricle that descends towards the respective notches bottom surface, above-mentioned bottom surface is a continuous surface, can or have horizontal arched surface for the plane, both are all complementary basically inner surface of tooth spare auricle; At last, EP9902161 wherein similar in appearance to above European patent, also provides the setting with respect to the tooth spare auricle of adaptor recess, particularly the auricle in the situation of front is substantially parallel, and auricle tilts in the mode of symmetry with convergence in this Spain's patent.
In general, rely on and adopt simple recess and the auricle that is located on one of adaptor or tooth spare, the above-mentioned various systems of adaptor and the interlock of tooth spare, as US5,379,535 and 5,423, shown in 138, reached following some: because more stable system, improved being connected of tooth and adaptor; Also because the stress that pin bears has been eliminated by more stable system; And, increased the intensity of assembly because bigger lever arm is provided.
Practice shows, in all interlocks that relate to auricle and recess, exist problem, thus when adaptor transmits the stress that tooth spare bears, the auricle of tooth spare is can be from adaptor outstanding and separates, and the tendency that tooth spare auricle separates with adaptor has increased the risk that above-mentioned auricle ruptures.
In order to overcome this shortcoming, United States Patent (USP) 5 has been proposed, 386,653, wherein tooth spare auricle vertically cause angle on limit and the vertical wall up and down at adaptor, to avoid their disengagement, with EP0835963, wherein tooth spare auricle has vertical limit of step, and complementary vertical wall of adaptor recess having formed guiding setting.
In these two situations, tooth spare auricle still tends to open or is outstanding from the adaptor recess, but surface that tilts or guiding setting make their fix in position.In fact, prevented that auricle from separating with adaptor, but produced concentrated force on the auricle area supported in the adaptor recess that it can cause fracture.
In another way that EP9902161 adopts, assembled two straight line auricles, but on relevant convergence plane.At this moment, when tooth spare is accepted upwards vertical force (referring to Figure 23), auricle is closed into compressive state, and when accepting downward vertically power, auricle is opened.
In order to overcome described shortcoming, taked way that tooth spare auricle is formed closure state, that is to say that they have a normal section thus, there is a concave portions facing to the adaptor recess in the cross section, and the recess bottom surface is the complementary convex with respect to above-mentioned part.
According to above way, developed and be the system of theme of the present invention, according to this system, the part of the normal section of each tooth spare auricle is recessed, basically the complementary protruding profile of adaptor recess bottom surface, auricle has two petiolareas, and they are joined with the middle district that is different from above-mentioned petiolarea in the convergence mode.
Comprise two petiolareas in the normal section that a feature of the present invention is each tooth spare auricle, distinguish in inciding with the angle between about 10 ° to 40 °.
The present invention includes: the different middle district of tooth spare auricle normal section can have curve or rectilinear form, does not also get rid of other compound shapes (mixing, burst etc.).
In addition, the present invention includes: the petiolarea of the normal section of each auricle can have the shape of straight line or curve, and do not get rid of other possibilities, comprise that two petiolareas have identical or different shape, identical or different length in above any situation, and in different the angle of incidence of district on (it is identical or different with two petiolareas in the same normal section).
Another feature of the present invention is to be: two auricles of same tooth spare can be for the minute surface symmetry or with respect to a point symmetry.
Another feature of the present invention is to be: tooth spare auricle has the hole that faces toward along diametric(al), and they are arranged in one of petiolarea or different district, has aimed at a hole of crossing the projection that overhangs of adaptor.
Feature of the present invention also is: two smaller sides of tooth spare auricle normal section are straight line, and be parallel to each other basically, the normal section of each tooth spare auricle is along having identical width on its gamut, but, can have the area that one or several reduces the scope, its width is different with main width.
At last, another feature of the present invention is to be: in tooth spare auricle, long petiolarea is facing to the direction that meets with stresses.
In order to help to understand above narration, below purpose of the present invention is described with reference to illustrative accompanying drawing, wherein:
Fig. 1 is the isometric views of a decomposition of adaptor of the present invention and tooth spare, from the part of their mutual interlocks.
Fig. 2 is last figure adaptor and the lateral view of tooth spare in occlusal position.
Fig. 3 is the top view of last figure adaptor and tooth spare.
Fig. 4 is the adaptor of interlock of the present invention and the schematic diagram of tooth spare assembly, wherein suppose one downward vertically stress act on increment, represented the counter-force that this stress causes.
Fig. 5 is the schematic cross-section along the V-V line of Fig. 4, has represented the stress downward vertically that causes on tooth spare auricle.
Fig. 6 is the view similar in appearance to Fig. 4, has represented the assembly of adaptor and tooth spare, supposes that wherein the make progress stress of vertical direction of an edge acts on increment, has represented the counter-force that this stress causes.
Fig. 7 is the schematic cross-section along the VII-VII line of Fig. 6, has represented the upwards vertical stress that causes on tooth spare auricle.
Fig. 8 is the cross section similar in appearance to Fig. 5 and 7, the position and the extreme angles of the tooth spare auricle in the adaptor recess have been represented to be contained in, in use, with respect to vertical line perpendicular to above-mentioned auricle central axis, the petiolarea of tooth spare auricle must have three mating holes that may locate the steady pin that dots between extreme angles.
Fig. 9 is the cross section similar in appearance to last figure, and wherein the different middle district and the petiolarea of two tooth spare auricle normal sections all have rectilinear form, and the angle of incidence on petiolarea is distinguished in different is a constant.
Figure 10 is the cross section similar in appearance to last figure, wherein tooth spare auricle is symmetrical with respect to a bit, and the normal section of auricle has and is the straight line petiolarea different with each length, and each petiolarea is in interlaced position, the district has curve shape in different, and the position of fixed pin holes also dots.
Figure 11 is the cross section similar in appearance to Figure 10, wherein tooth spare auricle is the minute surface symmetry, have the different middle district of the straight line petiolarea and the curve shape of different length, this moment, short petiolarea was in lower position, position on another does not have can be placed on them in the concrete situation of representing.
Figure 12 is the schematic diagram of the different shape that can take of tooth spare auricle normal section.
Figure 13 is similar in appearance to Fig. 5, and the schematic diagram of a half section of 7 and 8 to 11 has represented that middle district has the normal section of a tooth spare auricle of different in width, and adaptor recess bottom surface is provided with a projection, complementary groove in distinguishing in different.
Fig. 1 has represented the exploded isometric view of the assembly be made up of an adaptor 1 and tooth spare 2.
Shown in Fig. 2 and 3, when adaptor 1 and 2 interlocks of tooth spare, the straight line auricle 10 of tooth spare 2 is contained in the straight line recess 6 of adaptor 1, in one embodiment, rely on a passage 12 that inserts steady pin 13 to keep interlock, passage is made up of in the straight line auricle 10 that is located at tooth the spare 2 and hole in the core 3 of adaptor 1 with aiming at.
Must think that above details comprises in the prior art, as the patent of quoting in the beginning of this manual is illustrated.
Shown in Fig. 5 and 7 relevant with Fig. 4 and 6, the objective of the invention is: as shown in Figure 8, (it is recessed in a part 14 to the normal section of each straight line auricle 10 of tooth spare 2, basically the complementary convex bottom surface 15 of adaptor 1 straight line recess) have two petiolarea 10A, they with the intersection of convergence mode in a middle district 10B different with above-mentioned petiolarea.In order to help to understand above and following description, above-mentioned district 10A and 10B branch are opened with imaginary dotted line M.
As seeing among Fig. 4 to 7, edge directive effect downward vertically causes at counter-force Rs1 on the nose 5 and the counter-force Rs2 on straight line recess 6 tops at the stress Fs on the active tip 11 of tooth spare 2, they cause a force component Cs, tend to the petiolarea 10A of straight line auricle 10 is come on the bottom surface 15 of straight line recess 6.When stress Fi acts on the active tip 11 of tooth spare 2 along the vertical direction that makes progress, cause counter-force Ri1 and Ri2 equally, and component of force Ci.The petiolarea 10A that has dotted the straight line auricle 10 of tooth spare 2 leans against the trend on the bottom surface 15 of straight line recess 6.
Determined, as shown in Figure 8, in the normal section of the straight line auricle 10 of tooth spare 2, petiolarea 10A distinguishes the angle of incidence α on the 10B in different, with respect to vertical line Y perpendicular to normal section transverse axis X, must be between limiting angle β and δ, above-mentioned limiting angle value is β=10 ° and δ=40 °.
On the other hand, identical Fig. 8 various possible passage 12 positions of having represented to be suitable for inserting steady pin 13.
Fig. 5,7 and 8 have illustrated in the normal section of straight line auricle 10, petiolarea 10A is a straight line and identical, and district 10B is a curve in different, mutually with imaginary line M separately.
Fig. 9 has illustrated that in the normal section of straight line auricle 10 petiolarea 10A is a straight line and identical, and district 10B is a straight line in different, has also represented a possible passage 12 of steady pin.
Figure 10 and 11 has illustrated that the petiolarea 10A of straight line auricle 10 and 10C are rectilinear form, has different length and district 10B in different is had identical angle of incidence, is positioned to be symmetry with respect to any in Figure 10, and is the minute surface symmetry in Figure 11.In a back figure, can take opposite position, long petiolarea 10A is placed under the short petiolarea 10C.In all scenario, longer petiolarea 10A is all facing to the direction that will meet with stresses in the straight line auricle 10 of tooth spare 2.
Figure 12 has illustrated some different versions of normal section, and they can adopt when making straight line auricle 10.Particularly as shown in the figure, the normal section of straight line auricle 16 has represented that its petiolarea 16A has curve shape, and different middle district 16B has the curvature curve shape different with petiolarea 10A.The normal section of straight line auricle 17 has represented that its petiolarea 17A has curve shape, and different middle district 17B has rectilinear form.The normal section of straight line auricle 18 has represented that its petiolarea 18A has rectilinear form, and different middle district 18B has curve shape.At last, the normal section of straight line auricle 19 has represented that its petiolarea 19A has rectilinear form, and different middle district 19B has rectilinear form too.Obviously, district's combination in the petiolarea of all lengths, track and angle of incidence and straight line, curve, weak point, length etc. different, can obtain various normal sections.
Figure 13 has represented and Fig. 5,7 and 8 half sections to interlock between adaptor similar shown in 11 1 and the tooth spare 2, it has illustrated the normal section of straight line auricle 20, district 20B had the width different with petiolarea 10A during it was different, the bottom surface 15 of the straight line recess 6 of adaptor 1 is provided with a projection 21, its complementation the groove 22 of district among the 20B in different.
Adopt the system of this closed auricle, reached higher system's soundness,, reduced the risk of fracture because auricle successfully is delivered to adaptor 1 in the power of following tooth spare of compressive state 2.
In addition, in the special case that nose 5 is formed by hexagonal steel, it can be suitable for and not need to adapt to the straight line auricle from nose 5 removal materials.Like this, do not reduce the soundness of nose 5, do not increase the number of sharp edge yet.Therefore concentrated risk effectively how much settings of stress have been reduced with having reached simple.
In new snap-system, auricle is complete closure, when the vertical stress when up or down acts on the assembly, works under compressive state.
Claims (18)
1. snap-system that is used for the bucket tooth, the snap-system of a kind of flute profile that forms especially for being connected with a tooth spare by an adaptor, adaptor is fixed on the bucket or shovel of bucket, tooth spare and above-mentioned adaptor interlock, and be fixed in the adaptor with a pin, one of wherein above-mentioned adaptor and tooth spare, it perhaps preferably is exactly tooth spare, stretch out two straight line auricles vertically, they are parallel to each other basically, overhang outside from the opening of centre chamber, and the complementary relevant straight line open recess that also is arranged on vertically on the adaptor, simultaneously, adaptor is provided with the projection that overhangs, its complementation the centre chamber in the tooth spare, the auricle of above-mentioned tooth spare has the inner surface for plane or little arched surface, contacts with the bottom surface of adaptor recess, wherein the part of each tooth spare straight line auricle is recessed, basically the complementary protruding profile of adaptor straight line recess bottom surface, the normal section of straight line auricle has two petiolareas, and they are joined with the middle district that is different from above-mentioned petiolarea in the convergence mode.
2. according to the system of above claim, wherein two of tooth spare auricle normal section petiolareas incide in the different middle district with the angle between about 10 ° to 40 °.
3. according to the system of claim 1, wherein the different middle district of tooth spare auricle normal section is a curve shape.
4. according to the system of claim 1, wherein the different middle district of tooth spare auricle normal section is a rectilinear form.
5. according to the system of claim 1, wherein the petiolarea of each tooth spare auricle normal section is essentially rectilinear form.
6. according to the system of claim 1, wherein the petiolarea of each tooth spare auricle normal section is little curve shape.
7. according to the system of claim 1, wherein a petiolarea of each tooth spare auricle normal section is essentially rectilinear form, and another petiolarea is little curve shape.
8. according to the system of claim 1, wherein the normal section of tooth spare auricle is a lateral symmetry, and two of the above-mentioned normal section of tooth spare auricle petiolareas have equal length thus, and the angle of incidence of two petiolareas in middle district is identical value to each petiolarea.
9. according to the system of claim 1, wherein the normal section of tooth spare auricle is for laterally asymmetric, and two of the above-mentioned normal section of tooth spare auricle petiolareas have different length thus, and the angle of incidence of two petiolareas in middle district is different value to each petiolarea.
10. according to the system of claim 1, wherein the normal section of tooth spare auricle is asymmetric, has the identical petiolarea of two length and different incidence angles in the district in different.
11. according to the system of claim 1, wherein the normal section of tooth spare auricle is asymmetric, has two petiolareas and the identical angle of incidence of distinguishing in different that length is different.
12. according to the system of claim 1, wherein two of tooth spare auricles have the hole that faces toward along diametric(al), they are arranged in one of petiolarea or different district, have aimed at one and have crossed the overhang hole of projection of adaptor.
13. according to the system of claim 1, wherein two of tooth spare auricle normal section smaller sides are straight line, and are parallel to each other basically.
14. according to the system of claim 1, wherein the normal section of two of tooth spare auricles is the minute surface symmetry.
15. according to the system of claim 1, wherein the normal section of two of tooth spare auricles is with respect to a point symmetry.
16. according to the system of claim 1, wherein the normal section of each tooth spare auricle is along having identical width on its gamut.
17. according to the system of claim 1, wherein the normal section of each tooth spare auricle has one or several area that reduces the scope and the width different with main width.
18. according to the system of claim 9 and 11, wherein in tooth spare auricle, long petiolarea is facing to the direction that meets with stresses.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ESP200002454 | 2000-10-03 | ||
| ES200002454A ES2168988B1 (en) | 2000-10-03 | 2000-10-03 | COUPLING SYSTEM FOR THE TEETH OF AN EXCAVATOR. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1468340A true CN1468340A (en) | 2004-01-14 |
Family
ID=8495238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA018167861A Pending CN1468340A (en) | 2000-10-03 | 2001-10-02 | Coupling system for the teeth of an excavator |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20040010949A1 (en) |
| EP (1) | EP1411178A1 (en) |
| JP (1) | JP2004510900A (en) |
| KR (1) | KR20030036881A (en) |
| CN (1) | CN1468340A (en) |
| AU (1) | AU2001291901A1 (en) |
| BR (1) | BR0114331A (en) |
| CA (1) | CA2424322A1 (en) |
| ES (1) | ES2168988B1 (en) |
| MX (1) | MXPA03002893A (en) |
| WO (1) | WO2002029167A1 (en) |
| ZA (1) | ZA200302463B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686812A (en) * | 2009-12-11 | 2012-09-19 | 昆士兰中部矿业供应有限公司 | An excavator wear assembly |
| CN104153420A (en) * | 2014-08-14 | 2014-11-19 | 广西柳工机械股份有限公司 | Loader bucket |
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| ES2222090B1 (en) * | 2003-05-29 | 2007-07-01 | Metalogenia Patentes, S.L. | TOOTH, PORTABLE, AND SET OF TOOTH AND PORTABLE, TO MACHINE TO MOVE MATERIALS SUCH AS EARTH AND STONES. |
| ITUD20040021A1 (en) * | 2004-02-10 | 2004-05-10 | Italricambi Srl | TOOTH FOR EXCAVATOR BUCKETS OR SIMILAR |
| AU2013202355C1 (en) * | 2006-02-17 | 2017-05-11 | Esco Group Llc | Wear assembly |
| ES2927696T3 (en) | 2006-03-30 | 2022-11-10 | Esco Group Llc | wear set |
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| USD803899S1 (en) * | 2016-12-15 | 2017-11-28 | Caterpillar Inc. | Tip for a ground engaging machine implement |
| USD803900S1 (en) * | 2016-12-15 | 2017-11-28 | Caterpillar Inc. | Tip for a ground engaging machine implement |
| USD832310S1 (en) | 2017-08-30 | 2018-10-30 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD905765S1 (en) | 2019-03-07 | 2020-12-22 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD888785S1 (en) | 2019-03-07 | 2020-06-30 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD894970S1 (en) | 2019-04-24 | 2020-09-01 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD894968S1 (en) | 2019-04-24 | 2020-09-01 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD894969S1 (en) | 2019-04-24 | 2020-09-01 | Caterpillar Inc. | Tip for a ground engaging machine implement |
| USD894972S1 (en) * | 2019-04-26 | 2020-09-01 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD894971S1 (en) * | 2019-04-26 | 2020-09-01 | Caterpillar Inc. | Tip for a ground engaging machine implement |
| USD897379S1 (en) | 2019-04-26 | 2020-09-29 | Caterpillar Inc. | Tip for a ground engaging machine implement |
| USD945498S1 (en) | 2020-11-18 | 2022-03-08 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
| USD945499S1 (en) | 2020-11-18 | 2022-03-08 | Caterpillar Inc. | Adapter for a ground engaging machine implement |
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| US1805527A (en) * | 1929-03-09 | 1931-05-19 | Mekeel Van Cortright | Reversible dipper tooth |
| US1925420A (en) * | 1929-10-07 | 1933-09-05 | Lesher W Van Buskirk | Dipper tooth |
| US1874783A (en) * | 1931-12-24 | 1932-08-30 | Mekeel Van Cortright | Digger tooth |
| US1951988A (en) * | 1931-12-30 | 1934-03-20 | Mckeel Van Cortright | Digger tooth |
| US3079710A (en) * | 1961-06-22 | 1963-03-05 | Esco Corp | Ground-working tooth and method |
| US3708895A (en) * | 1970-04-29 | 1973-01-09 | Florida Machine & Foundry Co | Replaceable tooth assembly |
| US3919792A (en) * | 1974-11-25 | 1975-11-18 | Esco Corp | Excavating tooth assembly |
| FR2381137A1 (en) * | 1977-02-18 | 1978-09-15 | Esco Corp | EXCAVATOR TOOTH FOR LOADER BUCKET ON TIRES OR SIMILAR |
| US4481728A (en) * | 1981-12-01 | 1984-11-13 | Abex Corporation | Dipper tooth tip and adapter |
| US5177886A (en) * | 1992-03-16 | 1993-01-12 | Caterpillar Inc. | Tooth with clearances in socket |
| WO1993020293A1 (en) * | 1992-04-07 | 1993-10-14 | Neville Eugen Matthews | Excavator tooth retaining assembly |
| US5386653A (en) * | 1993-06-01 | 1995-02-07 | Caterpillar Inc. | Tooth to adapter interface |
| ATE136968T1 (en) * | 1993-08-30 | 1996-05-15 | Baz Service Ag | EXCAVATOR TOOTH |
| US5456029A (en) * | 1993-11-01 | 1995-10-10 | Caterpillar Inc. | Tooth to adapter coupler |
| US5561925A (en) * | 1995-07-25 | 1996-10-08 | Caterpillar Inc. | Tooth assembly and retaining mechanism |
| ES2138311T3 (en) * | 1996-07-01 | 2000-01-01 | Metalogenia Sa | COUPLING UNION FOR TEETH OF EXCAVATOR MACHINES. |
| US6085448A (en) * | 1997-10-30 | 2000-07-11 | Caterpillar Inc. | Mechanical retention system for ground engaging tools |
| US6047487A (en) * | 1998-07-17 | 2000-04-11 | H&L Tooth Co. | Multipiece excavating tooth assembly |
| US6477796B1 (en) * | 2000-07-06 | 2002-11-12 | Caterpillar Inc | Tooth assembly for implements |
-
2000
- 2000-10-03 ES ES200002454A patent/ES2168988B1/en not_active Expired - Fee Related
-
2001
- 2001-10-02 US US10/381,983 patent/US20040010949A1/en not_active Abandoned
- 2001-10-02 KR KR10-2003-7004758A patent/KR20030036881A/en not_active Application Discontinuation
- 2001-10-02 JP JP2002532728A patent/JP2004510900A/en active Pending
- 2001-10-02 BR BR0114331-0A patent/BR0114331A/en not_active IP Right Cessation
- 2001-10-02 MX MXPA03002893A patent/MXPA03002893A/en not_active Application Discontinuation
- 2001-10-02 CA CA002424322A patent/CA2424322A1/en not_active Abandoned
- 2001-10-02 WO PCT/ES2001/000363 patent/WO2002029167A1/en not_active Application Discontinuation
- 2001-10-02 AU AU2001291901A patent/AU2001291901A1/en not_active Abandoned
- 2001-10-02 CN CNA018167861A patent/CN1468340A/en active Pending
- 2001-10-02 EP EP01972107A patent/EP1411178A1/en not_active Withdrawn
-
2003
- 2003-03-28 ZA ZA200302463A patent/ZA200302463B/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686812A (en) * | 2009-12-11 | 2012-09-19 | 昆士兰中部矿业供应有限公司 | An excavator wear assembly |
| CN104153420A (en) * | 2014-08-14 | 2014-11-19 | 广西柳工机械股份有限公司 | Loader bucket |
| CN104153420B (en) * | 2014-08-14 | 2017-02-15 | 广西柳工机械股份有限公司 | loader bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA03002893A (en) | 2003-06-24 |
| ZA200302463B (en) | 2004-03-10 |
| AU2001291901A1 (en) | 2002-04-15 |
| KR20030036881A (en) | 2003-05-09 |
| ES2168988B1 (en) | 2003-12-01 |
| JP2004510900A (en) | 2004-04-08 |
| CA2424322A1 (en) | 2003-03-28 |
| WO2002029167A1 (en) | 2002-04-11 |
| US20040010949A1 (en) | 2004-01-22 |
| BR0114331A (en) | 2003-10-07 |
| ES2168988A1 (en) | 2002-06-16 |
| EP1411178A1 (en) | 2004-04-21 |
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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