EP2883669B1 - Dent de coupe pour une scie à chaîne - Google Patents

Dent de coupe pour une scie à chaîne Download PDF

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Publication number
EP2883669B1
EP2883669B1 EP14004127.8A EP14004127A EP2883669B1 EP 2883669 B1 EP2883669 B1 EP 2883669B1 EP 14004127 A EP14004127 A EP 14004127A EP 2883669 B1 EP2883669 B1 EP 2883669B1
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EP
European Patent Office
Prior art keywords
rivet
distance
base body
running direction
cutting
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.)
Active
Application number
EP14004127.8A
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German (de)
English (en)
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EP2883669A1 (fr
Inventor
Berthold Schell
Oliver Gerstenberger
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.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
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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Application filed by Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Publication of EP2883669A1 publication Critical patent/EP2883669A1/fr
Application granted granted Critical
Publication of EP2883669B1 publication Critical patent/EP2883669B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B27B33/142—Cutter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B27B33/141—Saw chains with means to control the depth of cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B27B33/142—Cutter elements
    • B27B33/144—Cutter elements having cutting inserts or exchangeable cutting teeth
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/909—Cutter assemblage or cutter element therefor [e.g., chain saw chain]
    • Y10T83/925—Having noncutting depth gauge

Definitions

  • the invention relates to a cutting tooth for a saw chain according to the preamble of claim 1.
  • a generic cutting tooth which consists of a base body with a cutter attached to the base body of hard metal. In the foot region of the main body rivet openings are formed, which follow one another in the direction of the cutting tooth. In the direction of the cutting element, a depth limiter is provided on the base body. Between the depth limiter and the cutting tooth a chip recess is formed. The cutting element is held in a countersink in the upper edge of the base body, wherein a side portion of the cutting element is fixed by means of brazing on the side surface of the base body. Good cutting results are achieved with the known cutting tooth.
  • the cutting element made of hard metal is designed to be small relative to the base body, so that the hard soldering surfaces defining the cutting element on the base body are limited.
  • the invention has the object of providing a cutting tooth of the generic type such that a large-area, resistant connection of the cutting element made of hard metal is given to the main body of the cutting tooth to increase the cutting performance and service life of the cutting tooth.
  • the corner point so far in the direction of the cutting tooth to lay forward that the corner is at a first distance to a chip recess defining high edge of the depth limiter, which is smaller than a second distance of a median plane to the high edge of the depth limiter ,
  • the median plane divides the rivet spacing between the rivet openings, wherein the distance line of the center axes of the rivet openings is perpendicular to the median plane.
  • the design is chosen so that - seen in side view - the high edge of the depth limiter lies in the direction of travel in front of the central axis of the front in the direction of the rivet opening.
  • the chip recess thus extends - seen in plan view of the cutting tooth - in the running direction to the center axis of the front rivet opening.
  • the corner lies in the front half of the rivet spacing in the running direction, ie in the direction of travel in front of the median plane, which divides the rivet spacing and on which the rivet spacing is perpendicular.
  • This geometrical design creates a cutting tooth that resists even heavy loads, shows good cutting performance and ensures a long service life.
  • the distance of the corner point of the high edge of the depth limiter is 0.5 times to 0.8 times the distance of the median plane to the vertical axis of the depth limiter.
  • the distance of the corner point to the vertical axis is designed so that it is 0.6 times to 0.7 times, in particular 0.65 times the distance of the vertical axis to the center plane.
  • the intended for receiving the preferably L-shaped cutting element counterbore extends in the direction of a length corresponding to about 70% to 90% of a section length of the upper edge extending between the chip recess and the rear end edge of the main body in the direction.
  • the countersink has an end which is remote from the depth limiter and forms a stop for the cutting element. At the stop of the roof portion of the cutting element is applied, so that the cutting element is supported against the running direction of the cutting tooth with its roof section.
  • the position of the cutting element on the base body and the length of the cutting element itself are chosen so that the rear end of the cutting element ends in the direction of the rear rivet hole.
  • the measured in the direction of the length of the cutting element is preferably 70% to 100% of the rivet spacing of the center axes of the rivet openings from each other. In particular, a length is selected which is 90% of the rivet spacing.
  • the geometry of the cutting element is designed so that the ratio of a maximum height of the cutting element measured perpendicular to the running direction to a maximum length of the cutting element measured in the running direction is in the range from 0.4 to 0.5, in particular 0.46.
  • the cutting element itself has a side portion which has a rivet openings facing, extending in the direction of the lower longitudinal edge.
  • This longitudinal edge extends over the length of the cutting element at an angle, preferably at an angle of 0.5 ° to 2 ° to a reference plane which is determined by the center axes of the rivet openings.
  • the position of the corner point is based on the main body of the cutting tooth chosen so that the distance between the central axis of the trailing in the direction of the rear rivet and the corner in the chip recess 85% to 110% of the measured in the direction of rivet spacing of the center axes of the rivet openings from each other.
  • a distance of the central axis is selected to the vertex, which is about 95% of the rivet spacing.
  • the distance line between the central axis of the rear rivet opening and the corner point in the chip recess is at an angle of 35 ° to 40 ° to a reference plane which is spanned by the center axes of the rivet openings.
  • the angle of the distance line with the reference plane is 37 °.
  • the depth limiter of the cutting tooth is formed integrally with the main body of the cutting tooth, in particular as provided by the main body bent residual flange.
  • the residual flange is a front lying in the direction of the section, which results after the formation of the chip recess 5.
  • the cutting tooth 1 shown in the figures has a main body 2, which consists essentially of a planar board 22.
  • the main body 2 has - as in particular from the side views of the FIGS. 2 and 3 can be seen - an upper edge 31 and a lower foot portion 28 on.
  • rivet openings 11 and 12 are formed, which follow one another in the direction LR of the cutting tooth 1.
  • the rivet opening 11 is a leading, front rivet opening, while the rivet opening 12 is a trailing, rear rivet opening.
  • each rivet opening has a central axis M1 and M2, which lie in the direction LR with a rivet spacing N to each other.
  • a chip recess 5 is formed, which extends between a countersink 30 (FIG. Fig. 3 ) extends in the upper edge 31 and a left in the direction LR residual flange 34.
  • the residual flange 34 is angled out of the plane of the board 22, as the Fig. 1 and 6 clearly show.
  • the angled residual flange 34 forms a depth limiter 4 of the cutting tooth.
  • the countersink 30 ( Fig. 3 ) is open at its front in the direction LR end to SpanausEnglishung 5, while at its rear end a residual portion 35 of the upper edge 31 forms a stop 10 for a cutting element 3.
  • the cutting element 3 has, as Fig. 7 shows, seen in the direction LR an L-shaped basic shape.
  • a resting on the side surface 32 side legs 27 of the body forms a side portion 7 of the cutting element 3; an angle to the side surface 32 lying roof leg 26 forms a roof portion 6 of the cutting element.
  • the roof surface of the roof section 6 is at an angle 25 of about 9 ° to the reference plane H, wherein the angle 25 opens forward in the direction LR.
  • a roof cutting 16 is formed; on the front in the direction LR edge of the side portion 7 a side cutting edge 17 is formed.
  • the side cutting edge 17 is designed in the form of a groove.
  • the cutting element 3 is made of hard metal and is by means of a heat-introducing compound such.
  • the roof section 6 is located in the countersink 30, wherein the bottom 36 of the countersink 30 is materially connected to the overlying surface of the roof section 6.
  • the roof portion 6 is integrally connected over the entire bottom surface 36 with the base body 2, preferably brazed.
  • the length S of the countersink 30 is shorter than the maximum length L max (FIG. Fig. 2 ) of the cutting element 3.
  • the cutting tooth 3 thus protrudes into the chip recess 5 a.
  • Both the roof section 6 and the side section 7 protrude into the chip recess 5.
  • the edge contour 15 of the chip recess 5 and the front in the direction of LR contour 13 of the side portion 7 of the cutting tooth 3 form a side view of the base body 2 (s. Fig. 3 ) From a corner 8, which lies within the chip recess 5.
  • a median plane V is erected which divides the rivet spacing N in the middle.
  • the distance line of the rivet spacing N is perpendicular to the median plane V.
  • the depth limiter 4 has a clamping edge 5 limiting high edge 9 ( Fig. 3 ).
  • this high edge 9 is substantially vertical in side view, ie the high edge 9 is perpendicular to a reference plane H determined by the center axes M1 and M2 of the rivet openings 11, 12.
  • the high edge 9 may also be inclined in the direction LR, as shown in dashed lines is.
  • the corner point 8 formed by the contour 13 of the side section 7 and the contour 15 of the chip recess 5 lies at a distance A from the top edge 9.
  • the center plane V lies at a distance B from the top edge 9.
  • the geometry is selected so that the Distance A is smaller than the distance B.
  • the vertical axis 9 lies in the direction LR in front of the central axis M1 of the front rivet opening 11. This is in the side view Fig. 3 shown.
  • the distance A or B measured in the running direction LR is measured from the same distance point 39 to the center plane V. Is the high edge 9 - as indicated by dashed lines with the reference numeral 9 '- z. B. inclined in the direction of LR, so arise based on a distance point 39 'of the inclined high edge 9', the same spacing conditions as in a plane perpendicular to the reference plane H high edge.
  • the structural design and design of the cutting tooth ensures a high level of operational reliability over a long period of operation, wherein the cutting tooth 3 is materially connected over a maximum area with the planar board 22 of the base body 2, z. B. by brazing, in particular by silver solder.
  • the cutting tooth 3 is supported on a stop 10, against which the roof section 6 of the cutting element 3 abuts against the running direction LR.
  • the stop 10 forms the rear in the running direction LR end of the countersink 30.
  • the stop 10 having the end facing away from the depth limiter 4.
  • the surface of the stop 10 is - seen in the running direction - behind the trailing rivet opening 12; expediently - seen in a side view of the main body 2 - the stop 10 has a measured in the direction LR distance 19 to the rivet opening 12th
  • the counterbore 30 extends counter to the running direction LR of the cutting tooth 3 to the rear beyond the rear rivet hole 12 so that only a small remaining portion 35 of the upper edge 31 with a residual length R remains.
  • the design of the base body 2 and the cutting element 3 is coordinated such that the first distance A of the corner 8 from the distance point 39 and 39 '0.5 times to 0.8 times the second distance B of the distance point 39 and 39' of the median plane V is.
  • the first distance A is chosen such that it is 0.6 times to 0.7 times the second distance.
  • An expedient embodiment is achieved when the first distance A is 0.65 times the second distance B.
  • the extending in the direction of LR counterbore 30 in the upper edge 31 has a length S, which corresponds to about 70% to 90% of the section length of the upper edge 31 extending between the chip recess 5 and the rear end edge 38 of the body 2.
  • the constructive design is designed such that the measured in the direction LR maximum length L max of the cutting element 3 is about 70% to 100% of the distance N of the center axes M1 and M2 of the rivet openings 11 and 12 from each other.
  • An advantageous embodiment is achieved when the measured length L max in the direction LR is about 90% of the rivet spacing N.
  • the geometry of the cutting element 3 is further designed such that the ratio of a maximum height H max of the cutting element 3 measured perpendicular to the running direction to a maximum length L max of the cutting element 3 measured in the running direction LR is in the range from 0.4 to 0.5, as in Fig. 2 shown.
  • An optimal design is achieved when a ratio of 0.46 is set.
  • Fig. 2 shows that the side portion 7 has a rivet openings 11, 12 facing, extending in the direction LR lower longitudinal edge 14 which extends over the length L max of the cutting element 3.
  • the lower longitudinal edge 8 is at an angle 23 of 0.5 ° to 2 ° to the reference plane H through the center axes M1 and M2 of the rivet openings 11 and 12.
  • the lower longitudinal edge 8 of the side portion defines a chamfer 18 at the lower end of the side portion 7 is formed and extends in the running direction LR.
  • the distance E between the center axis M2 of the trailing in the direction LR rear rivet opening 12 and the corner 8 in the chip recess 5 is selected so that the distance E about 85% to 110% of the measured in the direction LR rivet spacing N of the central axes M1 and M2 the rivet openings 11 and 12 amounts to.
  • the distance E is expediently selected to be 95% of the rivet spacing N.
  • the distance line 20 between the central axis M1 of the rear rivet opening 12 and the corner 8 in the chip recess 5 forms with the reference plane H an angle 23 between 35 ° and 40 °.
  • the position of the corner point 8 is selected such that the angle 23 has a size of about 37 °.
  • the excavated from the plane of the board 22 of the base body 2 depth limiter 4 is angled at an angle 24 of about 10 ° to 15 °, in particular 12 °.
  • the depth limiter 4 is formed integrally with the base body 2.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Insertion Pins And Rivets (AREA)
  • Sawing (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Claims (14)

  1. Dent de coupe (1) pour une scie à chaîne, composée d'un corps de base (2) avec un élément de coupe (3) en métal dur fixé au corps de base (2), étant précisé que le corps de base (2) présente un bord supérieur (31) et une zone d'embase inférieure (28), et qu'il est prévu, dans la zone d'embase inférieure (28) du corps de base (2), des ouvertures de rivetage (11, 12) qui se succèdent dans le sens de déplacement (LR) de la dent de coupe (1) et qui forment une ouverture de rivetage avant (11) et une ouverture de rivetage arrière (12), étant précisé qu'avant l'élément de coupe (3), dans le sens de déplacement (LR), il est prévu sur le corps de base (2) un limiteur de profondeur (4), et que l'élément de coupe (3) en métal dur comporte une section en forme de toit (6) avec une arête de coupe en forme de toit (16), et une section latérale (7) avec une arête de coupe latérale (17), et que la section latérale (7) est posée sur une surface latérale (32) du corps de base (2), et la section en forme de toit (6) est posée dans un chanfrein (30) dans le bord supérieur (31) du corps de base (2), et avec un creux de dégagement (5) formé dans le corps de base (2) entre le chanfrein (30) et le limiteur de profondeur (4), pour l'évacuation des copeaux, étant précisé que l'élément de coupe (3) dépasse dans le creux de dégagement (5), dans le sens de déplacement (LR), et que si on regarde le corps de base (2) de côté, un contour avant (14) de la section latérale (7) et le contour intérieur (15) du creux de dégagement (5) forment un angle (8) situé dans ledit creux de dégagement (5), et que l'élément de coupe (3) est venu de matière avec le corps de base (2) à l'aide d'une liaison introduisant de la chaleur, étant précisé que les axes médians (M1, M2) des ouvertures de rivetage (11, 12) présentent un écartement de rivetage (N) qui est divisé au milieu par un plan médian (V), étant précisé que l'écartement de rivetage (N) est perpendiculaire au plan médian (V),
    caractérisée en ce que l'angle (8) se trouve à une première distance (A) d'un bord vertical (9), limitant le creux de dégagement (5), du limiteur de profondeur (4), qui est plus petite qu'une seconde distance (B) entre le plan médian (V) et le bord vertical (9) du limiteur de profondeur (4), et en ce que le bord vertical (9) du limiteur de profondeur (4) est situé, dans le sens de déplacement (LR), avant l'axe médian (M1) de l'ouverture de rivetage (11) avant dans le sens de déplacement (LR).
  2. Dent de coupe selon la revendication 1,
    caractérisée en ce que la première distance (A) est égale à 0,5 fois à 0,8 fois la seconde distance (B).
  3. Dent de coupe selon la revendication 2,
    caractérisée en ce que la première distance (A) est égale à 0,6 fois à 0,7 fois, en particulier à environ 0,65 fois la seconde distance (B).
  4. Dent de coupe selon la revendication 1,
    caractérisée en ce que le chanfrein (30) présente une longueur (S), mesurée dans le sens de déplacement (LR), qui correspond à 70% à 90% d'une longueur de section du bord supérieur (31) qui s'étend entre le creux de dégagement (5) et le bord terminal (38) arrière, dans le sens de déplacement (LR), du corps de base (2).
  5. Dent de coupe selon la revendication 4,
    caractérisée en ce que le chanfrein (30) présente une extrémité qui est opposée au limiteur de profondeur (4) et qui forme une butée (10) contre laquelle la section en forme de toit (6) de l'élément de coupe (3) est appliquée et est en appui à l'opposé du sens de déplacement (LR).
  6. Dent de coupe selon la revendication 4 ou 5,
    caractérisée en ce que l'extrémité arrière de l'élément de coupe (3) se termine après le trou de rivetage arrière (12), dans le sens de déplacement (LR).
  7. Dent de coupe selon la revendication 1,
    caractérisée en ce que la longueur (Lmax) de l'élément de coupe (3), mesurée dans le sens de déplacement (LR), représente 70% à 100% de l'écartement de rivetage (N) entre les axes médians (M1, M2) des ouvertures de rivetage (11, 12), en particulier 90% de l'écartement de rivetage (N).
  8. Dent de coupe selon la revendication 7,
    caractérisée en ce que le rapport d'une hauteur maximale (Hmax) de l'élément de coupe (3), mesurée perpendiculairement au sens de déplacement (LR), à une longueur maximale (Lmax) de l'élément de coupe (3), mesurée dans le sens de déplacement (LR), est situé dans la plage de 0,4 à 0,5, et est en particulier de 0,46.
  9. Dent de coupe selon la revendication 1,
    caractérisée en ce que la section latérale (7) présente un bord longitudinal inférieur (14), tourné vers les ouvertures de rivetage (11, 12) et s'étendant dans le sens de déplacement (LR), qui s'étend sur la longueur (Lmax) de l'élément de coupe (3) et suivant un angle (23) de 0,5° à 2° par rapport au plan de référence (H) qui traverse les axes médians (M1, M2) des ouvertures de rivetage (11, 12).
  10. Dent de coupe selon la revendication 1,
    caractérisée en ce que la distance (E) entre l'axe médian (M2) de l'ouverture de rivetage (12) arrière dans le sens de déplacement et l'angle (8) dans le creux de dégagement (5) représente 85% à 110% de l'écartement de rivetage (N), mesuré dans le sens de déplacement (LR), des axes médians (M1, M2) des ouvertures de rivetage (11, 12), en particulier 95% de l'écartement de rivetage (N).
  11. Dent de coupe selon la revendication 10,
    caractérisée en ce que la ligne d'écartement (20) entre l'axe médian (M2) de l'ouverture de rivetage arrière (12) et l'angle (8) dans le creux de dégagement (5) définit avec le plan de référence (H) un angle (23) situé entre 35° et 40°, en particulier un angle (23) de 37°.
  12. Dent de coupe selon l'une des revendications 1 à 11,
    caractérisée en ce que le limiteur de profondeur (4) est conçu, d'une seule pièce avec le corps de base (2), comme un rebord résiduel (34) recourbé à partir dudit corps de base (2).
  13. Dent de coupe selon l'une des revendications 1 à 11,
    caractérisée en ce que le corps de base (2) est une platine plane (22).
  14. Dent de coupe selon la revendication 13,
    caractérisée en ce que le limiteur de profondeur (4) est coudé à partir de la platine (22).
EP14004127.8A 2013-12-14 2014-12-06 Dent de coupe pour une scie à chaîne Active EP2883669B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013021170.0A DE102013021170A1 (de) 2013-12-14 2013-12-14 Schneidzahn für eine Sägekette

Publications (2)

Publication Number Publication Date
EP2883669A1 EP2883669A1 (fr) 2015-06-17
EP2883669B1 true EP2883669B1 (fr) 2016-06-01

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EP14004127.8A Active EP2883669B1 (fr) 2013-12-14 2014-12-06 Dent de coupe pour une scie à chaîne

Country Status (5)

Country Link
US (1) US20150183124A1 (fr)
EP (1) EP2883669B1 (fr)
CN (1) CN104708676B (fr)
DE (1) DE102013021170A1 (fr)
RU (1) RU2668573C2 (fr)

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CN106945128B (zh) * 2017-03-28 2019-12-24 张南征 锯链的切削刀片及锯链
US11007589B2 (en) * 2017-04-20 2021-05-18 Andreas Stihl Ag & Co. Kg File for filing the cutting tooth of a saw chain
PT3392007T (pt) * 2017-04-20 2022-06-27 Stihl Ag & Co Kg Andreas ¿elemento de corte de uma motosserra, motosserra com um elemento de corte e lima para limar o dente de corte de uma motosserra
USD828417S1 (en) * 2017-05-04 2018-09-11 David L. Stubbs Chainsaw clearing tooth
USD842910S1 (en) * 2018-03-14 2019-03-12 Blount, Inc. Cutter for saw chain
DE102018125464B4 (de) * 2018-10-15 2022-09-29 PiKa GbR (Vertretungsberechtigter Gesellschafter: Markus Pittroff, 91278 Pottenstein) Sägekette zur Holz- und Kunststoffbearbeitung und Verfahren zur Herstellung eines Sägegliedes
SE543860C2 (en) * 2019-10-17 2021-08-17 Husqvarna Ab A chainsaw cutting link, a saw chain, a method of manufacturing a cutting link, and use of a cutting link
CN115302588A (zh) * 2022-09-04 2022-11-08 浙江卡贝士机械有限公司 一种锯链

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DE19844245B4 (de) * 1998-09-26 2009-09-24 Andreas Stihl Ag & Co. Sägekette für eine Motorsäge
CN2427304Y (zh) * 2000-06-29 2001-04-25 展钰良 锯链切齿链片
DE10209680B4 (de) * 2002-03-05 2011-07-21 Andreas Stihl AG & Co., 71336 Sägekette
WO2004113035A2 (fr) * 2003-06-20 2004-12-29 William Waytenick Tronçonneuse et elements de coupe remplaçables
US7836808B2 (en) * 2006-01-23 2010-11-23 Szymanski David A Safety chain and rotational devices and replaceable teeth therefor
DE102007050778A1 (de) 2007-10-24 2009-04-30 Andreas Stihl Ag & Co. Kg Schneidglied für eine Sägekette
CN103331487B (zh) * 2013-07-17 2016-05-11 缙云县鼎盛工刃具制造厂 一种硬质合金锯链

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EP2883669A1 (fr) 2015-06-17
US20150183124A1 (en) 2015-07-02
CN104708676A (zh) 2015-06-17
RU2668573C2 (ru) 2018-10-02
RU2014149678A3 (fr) 2018-07-31
CN104708676B (zh) 2019-11-15
RU2014149678A (ru) 2016-07-10
DE102013021170A1 (de) 2015-06-18

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