NO171605B - DENT FOR DRAWERS - Google Patents

DENT FOR DRAWERS Download PDF

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Publication number
NO171605B
NO171605B NO910141A NO910141A NO171605B NO 171605 B NO171605 B NO 171605B NO 910141 A NO910141 A NO 910141A NO 910141 A NO910141 A NO 910141A NO 171605 B NO171605 B NO 171605B
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Norway
Prior art keywords
digging
tooth
bucket
designed
drawer
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NO910141A
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Norwegian (no)
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NO910141D0 (en
NO171605C (en
NO910141L (en
Inventor
Sven Ree
Original Assignee
Kvernex As
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.)
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Publication date
Application filed by Kvernex As filed Critical Kvernex As
Priority to NO910141A priority Critical patent/NO171605C/en
Publication of NO910141D0 publication Critical patent/NO910141D0/en
Priority to SE9200037A priority patent/SE9200037L/en
Priority to FI920113A priority patent/FI920113A/en
Priority to GB9200757A priority patent/GB2251641B/en
Priority to DE4200695A priority patent/DE4200695A1/en
Publication of NO910141L publication Critical patent/NO910141L/en
Publication of NO171605B publication Critical patent/NO171605B/en
Publication of NO171605C publication Critical patent/NO171605C/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808Teeth
    • E02F9/2858Teeth characterised by shape
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808Teeth
    • E02F9/2816Mountings therefor

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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)
  • Shovels (AREA)

Abstract

Graveskuffe for gravemaskin, omfattende et antall lostagbart monterte gravetenner (1), hvor hver gravetann kan vendes 180°, slik at en tidligere uvirksom tannforkant (1") kan bringes i virksom posisjon. Gravetannen (1) er utformet med ett eneste, sentralt plassert, festehull (2) for montering på oversiden eller undersiden av et skuffeforstykke (5) på graveskuffen, idet det i eller på gravetannens (1) under-eller overside er utformet et inngrepsorgan av tapp/hull-type, plassert på hver sin side av festehullet (2), ekvidistant fra dettes midtpunkt, samt utformet for lett utlosbart inngrep med et komplementært inngrepsorgan (7) på eller i skuffeforstykket (5).Excavator drawer for excavator, comprising a number of detachably mounted excavator teeth (1), where each excavator tooth can be turned 180 °, so that a previously inactive tooth front edge (1 ") can be brought into operative position. The excavator tooth (1) is designed with a single, centrally located , mounting holes (2) for mounting on the upper side or underside of a drawer front piece (5) on the excavating drawer, a pin / hole-type engaging member being formed in or on the underside or upper side of the excavating tooth (1), placed on each side of the mounting hole (2), equidistant from its center, and designed for easily releasable engagement with a complementary engagement member (7) on or in the drawer front (5).

Description

Foreliggende oppfinnelse vedrører en graveskuffe for gravemaskin, omfattende et antall løstagbart monterte gravetenner, hvor hver gravetann har avlang form, og hvor de to motsatte frie ender av gravetannen er utformet som tannforkanter, og hvor gravetannen er utformet med festehull for montering på oversiden eller undersiden av et skuffeforstykke på graveskuffen ved hjelp av boltorgan, og hvor gravetannen kan vendes 180°, slik at en tidligere uvirksom tannforkant kan bringes i virksom posisjon. The present invention relates to a digging tray for an excavator, comprising a number of releasably mounted digging teeth, where each digging tooth has an elongated shape, and where the two opposite free ends of the digging tooth are designed as tooth front edges, and where the digging tooth is designed with attachment holes for mounting on the upper or lower side of a bucket front piece on the digging bucket by means of a bolt device, and where the digging tooth can be turned 180°, so that a previously inactive tooth leading edge can be brought into an active position.

Slike gravetenner er utformet stort sett symmetrisk om to vinkelrette midtakser, men oversiden og undersiden har av-vikende utforming. Et større langsgående flateparti av gravetannens underside henholdsvis overside vil ved innfes-tingen til graveskuffen ligge an mot oversiden henholdsvis undersiden av graveskuffens forstykke, idet selve innfes-tingen ifølge kjent teknikk blir iverksatt ved hjelp av to gjennomgående festebolter plassert langs gravetannens langsgående midtakse, ekvidistant fra dens tverrgående midtakse. Such digger teeth are designed largely symmetrically about two perpendicular central axes, but the upper side and the lower side have a different design. A larger longitudinal surface portion of the lower or upper side of the digging tine will, when attached to the digging bucket, lie against the upper or lower side of the front of the digging bucket, as the attachment itself according to known technology is effected by means of two continuous fastening bolts placed along the longitudinal central axis of the digging tine, equidistant from its transverse central axis.

Vendingen av slike kjente gravetenner er arbeidskrevende, hvilket skyldes at begge festeboltene må fjernes for igjen å anbringes og trekkes til etter at gravetannen er vendt eller byttet ut. Det er således ikke mulig under vendingen av gravetannen å dreie den med den ene festebolt som dreie-punkt, fordi gravetannen ikke er symmetrisk om hverken det ene eller annet festehull. The reversal of such known digger tines is labour-intensive, which is due to the fact that both fastening bolts must be removed in order to be re-positioned and tightened after the digger tines have been turned or replaced. It is thus not possible during the turning of the digging tooth to turn it with the one attachment bolt as a pivot point, because the digging tooth is not symmetrical about either one or the other attachment hole.

Ved at man ved kjente gravetenner anvender to festebolter vil det være en viss avstand mellom gravetannens to festehull. Dette mellomliggende parti mellom gravetannens to festehull representerer en ikke ubetydelig materialkostnad. By using two fastening bolts with known digger tines, there will be a certain distance between the two fixing holes of the digger tines. This intermediate part between the digger's two attachment holes represents a not inconsiderable material cost.

Formålet med foreliggende oppfinnelse er å skaffe tilveie dels gravetenner som er utformet med henblikk på redusert materialforbruk under opprettholdelse av adekvat fasthet, henholdsvis på forenklet innfesting og vending, dels en graveskuffe som er utformet for å muliggjøre nevnte forenk-lede innfesting av gravetennene. The purpose of the present invention is to provide, on the one hand, digging tines which are designed with a view to reduced material consumption while maintaining adequate firmness, respectively on simplified attachment and turning, and on the other hand a digging tray which is designed to enable said simplified attachment of the digging tines.

Dette formål er ifølge oppfinnelsen realisert ved de trekk som er angitt i etterfølgende patentkrav. According to the invention, this purpose is realized by the features specified in subsequent patent claims.

Ifølge oppfinnelsen er en gravetann av angjeldende art utformet med kun ett sentralt plassert festehull for en festebolt og, på begge sider av festehullet, ekvidistant fra dettes midtpunkt, med en boring for en styretapp på graveskuffens forstykke. En tilhørende gravemaskinskuffe er ved hvert tann-innfestingssted utformet med kun ett festehull for nevnte festebolt og, i avstand innenfor festehullet i forhold til skuffeforstykkets fremre kant, med en kort styretapp som er utformet for inngrep i en av gravetannens motsvarende boringer. According to the invention, a digger tooth of the type in question is designed with only one centrally located fixing hole for a fixing bolt and, on both sides of the fixing hole, equidistant from its centre, with a bore for a guide pin on the front part of the digger bucket. An associated excavator bucket is designed at each tooth attachment point with only one attachment hole for said attachment bolt and, at a distance within the attachment hole in relation to the front edge of the bucket front, with a short guide pin which is designed to engage in one of the excavator tooth's corresponding bores.

Det vil uten videre forstås at i motsetning til ovennevnte innfestingsarrangement kan gravetannen være forsynt med to styretapper og skuffeforstykket med en motsvarende boring. Likeledes vil det uten videre forstås at gravetannen kan være plassert på oversiden så vel som på undersiden av graveskuffens forstykke. It will be readily understood that, in contrast to the above-mentioned fixing arrangement, the digger can be provided with two guide pins and the bucket front piece with a corresponding bore. Likewise, it will be readily understood that the digging tooth can be located on the upper side as well as on the lower side of the front part of the digging drawer.

Nevnte styretapp nødvendiggjør bare en meget grunn boring, som medfører ubetydelig svekkelse av tannmaterialet, men den har den viktige oppgave å hindre at gravetannen dreier om festebolten når gravetannen blir påført belastning under graving. Said guide pin only requires a very shallow bore, which causes negligible weakening of the tooth material, but it has the important task of preventing the digging tooth from rotating around the fixing bolt when the digging tooth is subjected to load during digging.

Når den virksomme ende på gravetannen er utslitt, løsnes festebolten så meget at gravetannen kan trekkes ut fra graveskuffens forstykke så langt at gravetannens avstand fra graveskuffens forstykke overskrider styretappens inngreps-dybde i gravetannens motsvarende boring. Deretter kan gravetannen vendes 180° med den delvis utskrudde festebolt som dreietapp, altså inntil dens tidligere uvirksomme ende kommer i virksom posisjon, hvoretter festebolten trekkes til igjen. Etter at begge gravetannender er utslitt, må selv-sagt hele gravetannen skiftes ut. When the working end of the digging tine is worn out, the fastening bolt is loosened so much that the digging tine can be pulled out from the front of the digging bucket to such an extent that the distance of the digging tine from the front of the digging bucket exceeds the engagement depth of the guide pin in the corresponding bore of the digging tine. The digger can then be turned 180° with the partially unscrewed fastening bolt as a pivot, i.e. until its previously inactive end comes into an active position, after which the fastening bolt is tightened again. After both digging tines have worn out, the whole digging tin must of course be replaced.

Den tekniske effekt som oppnås ved oppfinnelsen, består i hovedsak i en forenkling av gravetann-montering, -vending og utskiftning. Disse arbeidsoperasjoner kan derfor utføres hurtigere og med mindre arbeidsinnsats enn tidligere. Dess-uten oppnås en betydelig materialbesparelse, det vil si en optimal utnyttelse av materialet i tannlegemet. Det er bare et lite område rundt det eneste festehull i tannen som ikke blir utnyttet, hvilket resulterer i minimalt materialforbruk. The technical effect achieved by the invention mainly consists in a simplification of digging tooth assembly, turning and replacement. These work operations can therefore be carried out faster and with less work effort than before. In addition, a significant material saving is achieved, that is to say an optimal utilization of the material in the dental body. There is only a small area around the single attachment hole in the tooth that is not utilized, resulting in minimal material consumption.

Ved å anvende en gravetann ifølge oppfinnelsen, oppnås også at antall festeskruer halveres sammenlignet med kjent teknikk. By using a digging tooth according to the invention, it is also achieved that the number of fixing screws is halved compared to known technology.

Produksjonskostnadene for slike skruer er relativt betyde-lige, og en halvering av skrueantallet representerer derfor en betydelig besparelse for produsent og deravfølgende redusert kostnad for bruker. The production costs for such screws are relatively significant, and halving the number of screws therefore represents a significant saving for the manufacturer and a consequent reduced cost for the user.

En gravetann ifølge oppfinnelsen vil også være enklere og derved billigere å forme/bearbeide enn kjente gravetenner fordi man ikke må ta hensyn til gitte toleranser på avstan-den mellom to festehull. A digging tooth according to the invention will also be simpler and thereby cheaper to shape/process than known digging teeth because one does not have to take account of given tolerances on the distance between two attachment holes.

Som følge av materialbesparelsen er en gravetann ifølge oppfinnelsen lettere å håndtere enn tilsvarende kjente gravetenner, samtidig som gravetannen ifølge oppfinnelsen har like mye slitemateriale som kjente gravetenner, og dermed like lang levetid. As a result of the material savings, a digger according to the invention is easier to handle than corresponding known digger tines, at the same time that the digger according to the invention has the same amount of wear material as known digger tines, and thus an equally long service life.

Det skal også påpekes at en gravetann ifølge oppfinnelsen er ressurs- og miljøbesparende fordi den krever mindre mate-riale, og dermed mindre oppvarming både for fremstilling av stålet og bearbeiding av gravetannen enn ved fremstilling av kjente gravetenner. It should also be pointed out that a digger according to the invention saves resources and the environment because it requires less material, and thus less heating both for the manufacture of the steel and processing of the digger than in the manufacture of known digger tines.

Et eksempel på en foretrukket utførelsesform ifølge oppfinnelsen forklares nærmere i det etterfølgende under henvis-ning til medfølgende tegninger, hvor: Fig. 1 viser et snitt gjennom en gravetanns langsgående midtplan og gjennom det tilstøtende innfestingsparti av et skuffeforstykke på en for øvrig ikke vist graveskuffe, hvor gravetannen er montert til nevnte skuffeforstykke; Fig. 2 viser et perspektivriss av en gravetann separat, sett skrått ovenfra, for å illustrere den spesielle utforming av gravetannens overside. I tegningsfigurene betegner henvisningstallet 1 en gravetann, mens 2 angir et sentralt plassert festehull for en festebolt 3 som er utformet for innskruing i en gjenget boring 4 i en graveskuffes forstykke 5. Graveskuffen har på .velkjent måte et visst antall innfestingssteder for slike gravetenner 1. An example of a preferred embodiment according to the invention is explained in more detail below with reference to the accompanying drawings, where: Fig. 1 shows a section through the longitudinal center plane of a digging tooth and through the adjacent fastening part of a drawer front piece on a digging drawer not otherwise shown, where the digger is mounted to said bucket front piece; Fig. 2 shows a perspective view of a digging tooth separately, seen obliquely from above, to illustrate the special design of the digging tooth's upper side. In the drawings, the reference number 1 denotes a digging tooth, while 2 indicates a centrally located fastening hole for a fastening bolt 3 which is designed to be screwed into a threaded bore 4 in a digging bucket's front part 5. The digging bucket has, in a well-known manner, a certain number of attachment points for such digging teeth 1.

Festeboltens 3 utførelse er ikke kritisk for den foreliggende oppfinnelse, men ved den viste utførelsesform har festebolten 3 et fast mutterformet hode 3' med et innenforligg-ende konisk overgangsparti 3" og et gjenget boltskaft 3''' . The design of the fastening bolt 3 is not critical for the present invention, but in the embodiment shown, the fastening bolt 3 has a fixed nut-shaped head 3' with an internal conical transition part 3" and a threaded bolt shank 3''".

Gravetannens 1 festehull 2 er i hovedsaken utformet komplementært til festebolten 3 og omfatter et konisk overgangsparti 2' og et glatt boringsavsnitt 2" hvorigjennom det øvre parti av det gjengede boltskaft 3'<11> strekker seg. The attachment hole 2 of the digging tooth 1 is essentially designed complementary to the attachment bolt 3 and comprises a conical transition part 2' and a smooth bore section 2" through which the upper part of the threaded bolt shank 3'<11> extends.

På grunn av de belastninger som undersiden av graveskuffens forstykke 5 blir utsatt for under graving, er det en fordel ikke å ha fremskytende deler såsom muttere, bolthoder etc. der. Prinsipielt er det imidlertid ingenting i veien for å benytte andre bolttyper, pinneskruer og lignende for innfesting av gravetennene 1 på skuffeforstykket 5 enn nettopp den viste skrubolt, som imidlertid representerer et foretrukket valg av festeorgan for angjeldende montering. Due to the loads to which the underside of the digging tray's front piece 5 is exposed during digging, it is an advantage not to have protruding parts such as nuts, bolt heads etc. there. In principle, however, there is nothing in the way of using other bolt types, pin screws and the like for fixing the digging teeth 1 on the drawer front piece 5 than precisely the screw bolt shown, which, however, represents a preferred choice of fastening means for the installation in question.

På hver side av gravetannens 1 sentrale festehull 2 er det i gravetannens underside utformet en forholdsvis grunn fordypning, blindboring eller utsparing 6,6' som befinner seg på gravetannens 1 langsgående symmetriakse, ekvidistant fra festehullets 2 midtpunkt. I gravetannens 1 monterte tilstand vil den innerste fordypning 6' samvirke med et komplementært utformet styre- eller stopporgan, her i form av en bolt 7 som er skrudd inn i et gjenget hull 8 i skuffeforstykket 5, slik at det opprettes et lett opphevbart inngrep mellom bolten 7 og fordypningen 6' . Nevnte inngrep er imidlertid tilstrekkelig til å forhindre dreining av gravetannen 1 om festebolten 3 når gravetannen under graving utsettes for belastninger. On each side of the central attachment hole 2 of the digging tooth 1, a relatively shallow recess, blind bore or recess 6.6' is formed in the underside of the digging tooth, which is located on the longitudinal axis of symmetry of the digging tooth 1, equidistant from the center point of the attachment hole 2. In the assembled state of the digging tooth 1, the innermost recess 6' will cooperate with a complementary designed control or stop member, here in the form of a bolt 7 which is screwed into a threaded hole 8 in the drawer front piece 5, so that an easily liftable engagement is created between the bolt 7 and the recess 6'. Said intervention is, however, sufficient to prevent rotation of the digging tooth 1 about the fastening bolt 3 when the digging tooth is exposed to loads during digging.

Gravetannen har to ender 1' og 1" som utgjør de egentlige gravepartier. Når den ene ende, for eksempel 1', er utslitt, løsnes festebolten 3 ved utskruing inntil gravetannen 1 kan trekkes ut fra det tilstøtende skuffefors tykke 5 så langt at tannundersiden kan bringes i en avstand fra skuffeforstykkets 5 overside som ubetydelig overskrider boltens 7 inn-grepsdybde i gravetannens fordypning 6' . Deretter kan gravetannen 1 vendes 180° om den sentralt plasserte festebolt 3, hvorved gravepartiet 1" kommer i virksom posisjon, idet fordypningen 6 bringes i inngrep med bolten 7, slik at gravetannen er stillingsfiksert når festebolten 3 trekkes til igjen. The digging tooth has two ends 1' and 1" which make up the actual digging parts. When one end, for example 1', is worn out, the fixing bolt 3 is loosened by unscrewing until the digging tooth 1 can be pulled out from the adjacent bucket lining 5 so far that the underside of the tooth can is brought to a distance from the upper side of the drawer front piece 5 which slightly exceeds the depth of engagement of the bolt 7 in the recess 6' of the digging tooth. The digging tooth 1 can then be turned 180° around the centrally located fixing bolt 3, whereby the digging part 1" comes into active position, as the recess 6 is brought into engagement with the bolt 7, so that the digging tooth is fixed in position when the fastening bolt 3 is tightened again.

Den i fig. 2 viste tannutforming oppviser et sentralt ring-formet parti la hvor gravetannen har sin største tykkelse. Fra ringpartiet la skråner tannoverflaten nedover mot hver av de to ender 1', 1", nærmere bestemt med langsgående, jevnt forløpende sidebegrensningspartier lb som parvis avgrenser langsgående, forsenkede, jevnt forløpende partier eller utsparinger lc. The one in fig. The tooth design shown in 2 shows a central ring-shaped part la where the digging tooth has its greatest thickness. From the ring portion la, the tooth surface slopes downwards towards each of the two ends 1', 1", more specifically with longitudinal, evenly extending side limiting portions lb which in pairs delimit longitudinal, recessed, evenly extending portions or recesses lc.

Ved 180° vending av én enkelt gravetann 1 i en graveskuffe hvor gravetennene sitter relativt tett, kan det være nødven-dig å skru festebolten 3 helt ut før gravetann-vendingen. In the case of a 180° turn of a single digger 1 in a digger tray where the digger tines sit relatively close together, it may be necessary to unscrew the fixing bolt 3 completely before the digger tine turns.

Gravetannens 1 konstruktive utforming er imidlertid ikke kritisk for oppnåelse av oppfinnelsens primære formål og kan derfor underkastes modifiserende utforminger innenfor oppfinnelsens ramme. However, the constructive design of the digging tooth 1 is not critical for achieving the primary purpose of the invention and can therefore be subject to modifying designs within the scope of the invention.

Den gravetann-stillingsfikserende effekt som iverksettes ved boltens 7 inngrep i den ene eller annen av gravetannens 1 fordypninger 6,6' i kombinasjon med festebolten 3, kan selv-sagt også oppnås ved den motsatte plassering av inngreps-organene 6,6' og 7, det vil si at gravetannen 1 utstyres med korte tapplignende inngrepsorganer, svarende til bolten 7, i fordypningenes 6 posisjoner, mens skuffeforstykket 5 i boltens 7 posisjon utformes med en fordypning svarende til gravetannens fordypninger 6,6' ifølge fig. 1. The digging tooth position-fixing effect which is brought about by the engagement of the bolt 7 in one or the other of the digging teeth 1 recesses 6,6' in combination with the fastening bolt 3, can of course also be achieved by the opposite placement of the engaging members 6,6' and 7 , that is to say that the digging tooth 1 is equipped with short pin-like engaging means, corresponding to the bolt 7, in the positions of the recesses 6, while the drawer front piece 5 in the position of the bolt 7 is designed with a recess corresponding to the digging tooth's recesses 6,6' according to fig. 1.

Claims (1)

1. Graveskuffe for gravemaskin, omfattende et antall løstag-bart monterte gravetenner (1), hvor hver gravetann har avlang form, og hvor de to motsatte frie ender (l',l") av gravetannen er utformet som tannforkanter, og hvor gravetannen (1) er utformet med festehull (2) for montering på oversiden eller undersiden av et et skuffeforstykke (5) på graveskuffen ved hjelp av festeboltorgan (3), og hvor gravetannen (1) kan vendes 180°, slik at en tidligere uvirksom tannforkant (1") kan bringes i virksom posisjon, karakterisert ved at gravetannen (1) er utformet med ett eneste, sentralt plassert, festehull (2), idet det i eller på gravetannens (1) under- eller overside er utformet et inngrepsorgan av tapp/hull-type, for eksempel i form av en fordypning (6,6') henholdsvis et tappformet organ, plassert på hver sin side av festehullet (2), ekvidistant fra dettes midtpunkt, samt utformet for lett utløsbart inngrep med et komplementært inngrepsorgan (tapp henholdsvis fordypning) (7) på eller i skuffeforstykket (5), og at skuffeforstykket (5) ved hvert tann-innfestingssted er utformet med en eneste, fortrinnsvis gjennomgående, gjenget boring (4) for nevnte festeboltorgan (3), idet skuffeforstykket (5) i en avstand fra nevnte boring (4), innenfor denne i forhold til skuffeforkanten, ved hvert tann-innfestingssted er forsynt med nevnte inngrepsorgan, for eksempel i form av en bolt (7) som er skrudd inn i en gjenget boring (8) i skuffeforstykket samt rager et lite stykke utenfor skuffeforstykkets (5) flate, henholdsvis i form av en fordypning i skuffeforstykkets (5) flate.1. Digging bucket for an excavator, comprising a number of releasably mounted digging teeth (1), where each digging tooth has an elongated shape, and where the two opposite free ends (l',l") of the digging tooth are designed as tooth leading edges, and where the digging tooth ( 1) is designed with a mounting hole (2) for mounting on the top or bottom of a bucket front piece (5) on the digging bucket by means of a fastening bolt device (3), and where the digging tooth (1) can be turned 180°, so that a previously inactive tooth leading edge ( 1") can be brought into an active position, characterized in that the digging tooth (1) is designed with a single, centrally located, attachment hole (2), as an engagement device of pin/ hole-type, for example in the form of a recess (6,6') or a pin-shaped member, placed on either side of the fastening hole (2), equidistant from its center point, and designed for easily releasable engagement with a complementary engagement member (pin respectively recess) (7) on or in drawer the front piece (5), and that the front piece of the drawer (5) at each tooth attachment point is designed with a single, preferably through, threaded bore (4) for said fastening bolt member (3), the drawer front piece (5) being at a distance from said bore (4 ), within this in relation to the front edge of the bucket, at each tooth attachment point is provided with said engagement means, for example in the form of a bolt (7) which is screwed into a threaded bore (8) in the front of the bucket and projects a small distance outside the front of the bucket (5) surface, respectively in the form of a recess in the surface of the drawer front piece (5).
NO910141A 1991-01-14 1991-01-14 DENT FOR DRAWERS NO171605C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO910141A NO171605C (en) 1991-01-14 1991-01-14 DENT FOR DRAWERS
SE9200037A SE9200037L (en) 1991-01-14 1992-01-09 DENT FOR DRAWERS
FI920113A FI920113A (en) 1991-01-14 1992-01-10 TAND FOER GRAPH.
GB9200757A GB2251641B (en) 1991-01-14 1992-01-14 Improvements relating to digging teeth
DE4200695A DE4200695A1 (en) 1991-01-14 1992-01-14 BAGGERLOEFFEL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO910141A NO171605C (en) 1991-01-14 1991-01-14 DENT FOR DRAWERS

Publications (4)

Publication Number Publication Date
NO910141D0 NO910141D0 (en) 1991-01-14
NO910141L NO910141L (en) 1992-07-15
NO171605B true NO171605B (en) 1992-12-28
NO171605C NO171605C (en) 1993-04-14

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Application Number Title Priority Date Filing Date
NO910141A NO171605C (en) 1991-01-14 1991-01-14 DENT FOR DRAWERS

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DE (1) DE4200695A1 (en)
FI (1) FI920113A (en)
GB (1) GB2251641B (en)
NO (1) NO171605C (en)
SE (1) SE9200037L (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031494A1 (en) * 2002-10-02 2004-04-15 Komatsu Kvx Llc Abutment for wear element

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Publication number Priority date Publication date Assignee Title
CN104963378A (en) * 2015-06-24 2015-10-07 柳州金特新型耐磨材料股份有限公司 Adjustable bucket abrasion-resistant board
CN105937251A (en) * 2016-06-28 2016-09-14 天津市中机雄风机械有限公司 Preparation method for novel double-durable bucket tooth device

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Publication number Priority date Publication date Assignee Title
US4407081A (en) * 1981-12-07 1983-10-04 J. I. Case Company Bucket tooth attachment means
US4713897A (en) * 1985-04-22 1987-12-22 Hemphill Charles W Reversible digging teeth and holder therefor
DE3520370A1 (en) * 1985-06-07 1986-12-11 Carl Falkenroth Söhne GmbH & Co KG, 5885 Schalksmühle TOOL UNIT FOR EXCAVATOR, FRONT LOADER, GRIPPER OR THE LIKE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031494A1 (en) * 2002-10-02 2004-04-15 Komatsu Kvx Llc Abutment for wear element

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Publication number Publication date
GB2251641B (en) 1995-02-15
NO910141D0 (en) 1991-01-14
NO171605C (en) 1993-04-14
SE9200037D0 (en) 1992-01-09
GB2251641A (en) 1992-07-15
SE9200037L (en) 1992-07-15
DE4200695A1 (en) 1992-11-12
GB9200757D0 (en) 1992-03-11
NO910141L (en) 1992-07-15
FI920113A (en) 1992-07-15
FI920113A0 (en) 1992-01-10

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