EP1112155B1 - Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite - Google Patents

Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite Download PDF

Info

Publication number
EP1112155B1
EP1112155B1 EP00949087A EP00949087A EP1112155B1 EP 1112155 B1 EP1112155 B1 EP 1112155B1 EP 00949087 A EP00949087 A EP 00949087A EP 00949087 A EP00949087 A EP 00949087A EP 1112155 B1 EP1112155 B1 EP 1112155B1
Authority
EP
European Patent Office
Prior art keywords
chain
eccentric
clamping sleeve
housing
rotary
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.)
Expired - Lifetime
Application number
EP00949087A
Other languages
German (de)
English (en)
Other versions
EP1112155A1 (fr
Inventor
Egbert Steinbrueck
Juergen Dolata
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1112155A1 publication Critical patent/EP1112155A1/fr
Application granted granted Critical
Publication of EP1112155B1 publication Critical patent/EP1112155B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/14—Arrangements for stretching the chain saw
    • 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
    • Y10T83/687—By tool reciprocable along elongated edge
    • Y10T83/7015—Having uniplanar compound motion
    • Y10T83/7025—Constantly oriented tool travelling in orbit
    • 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
    • Y10T83/707—By endless band or chain knife
    • Y10T83/7226—With means to guard the tension
    • Y10T83/7239—With means to vary distance between pulley or sprocket axes

Definitions

  • the invention relates to a chainsaw in the preamble of Claim 1 defined genus.
  • the chainsaw according to the invention with the features of Claim 1 has the advantage that through the locking clutch always a chain tension that is independent of the user is fixed at the factory, is set and thus the user is not faced with the problem of whether the of chain tension set to him emotionally also for a optimal work with the chainsaw correct chain tension is.
  • the chain tensioning device can be used without tools Be operated by hand, which is why only one Rotational movement and no other axial displacements of the Schwerts needs.
  • An automatic release of the Chain tensioner with the consequence of decreasing Chain tension while working with the chainsaw can reliably excluded by a simple additional measure become.
  • the eccentric rotatable and axially immovable on Rotary member mounted, and the locking clutch has one the eccentric non-rotatably connected, provided with locking elements first clutch disc and one rotatably with the rotating member connected second connected with locking elements Clutch disc and a preloaded clutch spring, the two with each other with their locking elements engaging clutch discs axially pressed together.
  • the locking clutch in technically very simple and realized by the as Compression spring trained clutch spring can Adjust the locking force and thus the chain tension.
  • this is Rotary member designed as an adapter sleeve with a Internal thread section on an external thread section of a the stud held in the housing is screwed on.
  • a rotary knob non-rotatable, preferably form-fitting, attached is to the Pressing the adapter sleeve.
  • the adapter sleeve overlaps the elongated hole and by screwing onto the stud bolt onto the sword presses so that this after tensioning the chainsaw is fixed immovably on the housing. That leaves the set chain tension during operation of the Chainsaw reliably received.
  • the sprocket and the chain tensioner from one on Covered protective cap through which the Extends through the clamping sleeve, and the non-rotatable on the clamping sleeve attached rotary knob rotatably guided in the protective hood.
  • the stop on the sword to support the eccentric as a Clamping piece formed on the one hand with a pin in a hole in the sword is positively inserted and on the other hand with a shaped element in the slot of the sword lies positively on the side and preferably on that of Sprocket is facing away from the hole end of the slot.
  • the chain saw has a housing 10 in which a chain wheel 11 for driving a saw chain 12 is rotatably mounted.
  • the Sprocket 11 is via a gear, not shown here powered by a combustion or electric motor and with his teeth hooked into the saw chain 12.
  • the saw chain 12 is on a sword 13 protruding from the housing 10 all the way along the edge of the sword.
  • a saw chain tension is the sword 13 on the housing 10 kept longitudinally displaceable so that the distance between Sword 13 and sprocket 11 changed and thereby the Saw chain 12 can be tensioned more or less.
  • a chain tensioning device 14 For tensioning the saw chain 12 and fixing the sword 13 in a chain tension maintaining the set Position on the housing 10 is a chain tensioning device 14 provided in a fixed on the housing 10 Protective hood 40 (Fig. 2) is attached.
  • the Chain tensioning device 14 has a housing-side rotatable - Specified eccentric 15, which is on a sword 13th fixed stop 16 supports, and a rotary member 17 for Turn the eccentric 15 on.
  • the slewing ring between the Rotary member 17 and the eccentric 15 is as Locking clutch 18 formed, the locking force adjusted according to the required chain tension is.
  • the Chain tensioner 14 is the rotary link 17 as one Adapter sleeve 19 formed (Fig. 6 - 8) with a Internal thread section 20 on an external thread section 21 a stud 22 (Fig. 2) is screwed on.
  • the Stud 22 is attached at the end in the housing 10 and stands at right angles from a housing shoulder 101 of the housing 10, on which the sword 13 is held longitudinally.
  • Guide of the sword 13 on the housing shoulder 101 are from the latter two guide warts 23 from which to guide the Swords 13 into an existing one in sword 13, in Sword longitudinally extending slot 24 with Intervene in a form-fitting manner.
  • the stud 22 protrudes through the slot 24 in the sword 13, while the clamping sleeve 19 screwed onto the stud 22 Overlaps slot 24 and by screwing onto the Stud 22 the sword 13 on the housing shoulder 101 able to press and thus the sword 13 immovable attaches to the housing 10.
  • the adapter sleeve 19 is on the free end of a rotary knob 25 is rotatably attached.
  • the clamping sleeve 19 bears on the sword 13 opposite end a radially projecting flange 26, the is positively received in the rotary knob 25 and with its: r top on a collar 27 formed in the rotary knob 25 supports and on its underside by using the rotary knob 25 one-piece snap hook 28 is engaged (Fig. 2).
  • the Eccentric 15 is rotatably mounted on the clamping sleeve 19 and by means of one fixed in the adapter sleeve 19 Circlip 29 against axial displacement towards Sword 13 prevented.
  • Locking clutch 18 has a rotationally fixed with the eccentric 15 connected first clutch disc 30 with the Disk circumference equidistant locking elements 31 (Fig. 3), one rotatably connected to the adapter sleeve 19 second clutch disc 32 with over the disc circumference equidistant locking elements 33 (Fig. 5) and a Clutch spring 33 on.
  • the two clutch plates 30.32 rest on each other with their locking elements 31, 33, the locking elements 31 of the clutch disc 30 in one piece on Eccentric 15 are formed, and are of the Coupling spring 34 pressed onto one another in the axial direction.
  • the clutch spring 34 as Helical compression spring formed on the one hand on the back of the second facing away from the eccentric 15 Clutch disc 32 and the other on the second Clutch disc 32 facing underside of flange 26 supported on the adapter sleeve 19.
  • the clutch spring 34 is the overlap force of the Locking clutch 18 set.
  • FIG. 2 it is on the flange 26 the clamping sleeve 19 form-fitted and on the flange 26 locked knob 25 in the sprocket 11 and Chain tensioning device 14 covering protective cover 40 rotatably guided, for which purpose the protective hood 40 to the clamping sleeve 19 coaxial, circular, shell-like recess 41 has, in which the knob 25 is immersed.
  • the rotary knob 25 is in plan view in Fig. 9, in side view in Fig. 10 and partially cut and in Fig. 2 in longitudinal section a handle bar 43 formed on it is shown.
  • He has a flat button plate 42 with which it is rectangular protruding, diametrically extending handle bar 43 and one rotating on the button plate 42 projecting radially Ring web 44.
  • the knob 25 lies with its button plate 42 on the bottom of the recess 41 and engages his ring bridge 44 leaving a spin behind several in the ring wall of the recess 41 in the protective hood 40 latching hooks 45.
  • a locking mechanism 46 is provided, which a turning back of the Knob 25 against the direction of rotation to unscrew the Clamping sleeve 19 on the stud 22, that is to say in FIG. 9 Blocked counterclockwise rotation.
  • This Locking mechanism 46 prevents the clamp connection between adapter sleeve 19, sword 13 and housing shoulder 101 at Loosen work with the chainsaw and thereby the Chain tension can change.
  • the locking mechanism 46 has one formed on the base of the recess 41 for Adapter sleeve 19 coaxial, annular sawtooth bar 47 (Fig.
  • each Latch 48 is on the underside of a spring tongue 49 arranged on three sides of the button plate 42nd is cut free.
  • the tongue base of the spring tongue 49 stands a tab 50 integral with the spring tongue 49 at right angles from and extends parallel to the Handle bar 43. Become the tabs 50 with your thumb and fingers pressed against the handle bar 43, the spring tongues lift 49, as indicated by dashed lines in FIG.
  • the chain tensioner 14 described above works as follows:

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Claims (10)

  1. Scie à chaíne comportant un boítier (10), un pignon à chaíne (11) monté dans le boítier (10) destiné à entraíner par moteur une chaíne de scie (12), un guide-chaíne (13) en saillie sur le boítier (10) et qui, le long de son bord de guide-chaíne, guide en rotation la chaíne de scie (12) suspendue dans le pignon à chaíne (11) et, tend la chaíne de scie (12), en étant maintenu de façon à pouvoir se déplacer longitudinalement sur le boítier (10) dans une direction augmentant la distance au pignon à chaíne (11), et avec un dispositif de tension de chaíne (14) muni d'un excentrique (15) qui, en appui contre une butée (16) fixée au guide-chaíne (13) déplace longitudinalement le guide-chaíne (13), avec un organe rotatif (17) destiné à faire tourner l'excentrique (15),
    caractérisée en ce que
    la liaison rotative entre l'organe rotatif (17) et l'excentrique (15) prend la forme d'un embrayage de surblocage (18) dont la force de surblocage est réglée d'après la tension de chaíne nécessaire à la chaíne de scie (12).
  2. Scie à chaíne selon la revendication 1,
    caractérisée en ce que
    l'excentrique (15) est monté rotatif et bloqué axialement sur l'organe rotatif (17) et l'embrayage de surblocage (18) présente un premier disque d'embrayage (30), lié à l'excentrique (15) de façon à être solidaire en rotation et muni d'éléments d'accrochage (31), et un deuxième disque d'embrayage (32), lié à l'organe rotatif (17) de façon à être solidaire en rotation et muni d'éléments d'accrochage (33), ainsi qu'un ressort d'embrayage (34) précontraint qui presse axialement l'un sur l'autre les deux disques d'embrayage (30, 32) reposant l'un sur l'autre par leurs éléments d'accrochage (31, 33).
  3. Scie à chaíne selon la revendication 2,
    caractérisée en ce que
    le premier disque d'embrayage (30) est d'une seule pièce avec l'excentrique (15).
  4. Scie à chaíne selon la revendication 2 ou 3,
    caractérisée en ce que
    l'organe rotatif (17) a la forme d'un manchon de serrage (19) vissé à l'aide d'un segment de filetage intérieur (20) sur un filetage extérieur (21) d'un axe (22) maintenu dans le boítier (10) et, afin de manoeuvrer le manchon de serrage (19), un bouton tournant (25) est engagé solidaire en rotation sur ce manchon.
  5. Scie à chaíne selon la revendication 4,
    caractérisée en ce que
    l'axe (32) dépasse dans un trou allongé (24) formé dans le guide-chaíne (13) et le manchon de serrage (19) enjambe le trou allongé (24) et, en le vissant sur le l'axe (22), peut être pressé sur le guide-chaíne (13) pour fixer le guide-chaíne (13) au boítier (10).
  6. Scie à chaíne selon la revendication 5,
    caractérisée en ce que
    le pignon à chaíne (11) et le dispositif de tension de chaíne (14) sont recouverts d'un capot protecteur (40) fixé au boítier (10) et traversé par le manchon de serrage (19), le bouton tournant (25), engagé solidaire en rotation sur le manchon de serrage (19), est guidé de façon à pouvoir tourner dans le capot protecteur (40), et entre le bouton tournant (25) et le capot protecteur (40) on prévoit un mécanisme d'accrochage (46) détachable à la main et qui empêche par combinaison de forme de tourner le bouton tournant (25) dans le sens contraire à la direction de rotation qui sert à visser le manchon de serrage (19) sur l'axe d'entretoisement (22).
  7. Scie à chaíne selon la revendication 6,
    caractérisée en ce que
    le mécanisme d'accrochage (46) présente un rebord à dents de scie (47) annulaire disposé sur le capot protecteur (40) et coaxial au manchon de serrage (19) ainsi qu'au moins un bec d'accrochage (48), écarté élastiquement de la face inférieure du bouton tournant (25) orienté vers le capot protecteur (40), le bec pénétrant dans le rebord à dents de scie (47) par combinaison de forme ou de forces.
  8. Scie à chaíne selon la revendication 6 ou 7,
    caractérisée en ce que
    le bouton tournant (25) présente une plaque de bouton (42) plate comportant une barrette de prise diamétrale et perpendiculaire à la plaque de bouton (42), qui repose dans le capot protecteur (40) sur le fond d'une cavité (41) circulaire en forme de coque et présente une nervure annulaire (44) périphérique écartée radialement et saisie de l'arrière par plusieurs crochets d'encliquetage (45) disposés dans la paroi annulaire de la cavité (40).
  9. Scie à chaíne selon l'une des revendications 4 à 8,
    caractérisée en ce qu'
    à son extrémité opposée au guide-chaíne (13), le manchon de serrage (19) porte une collerette (26) qui dépasse radialement et qui repose géométriquement dans le bouton tournant (25), et le ressort d'embrayage (34) est un ressort à boudin enfilé sur le manchon de serrage (19), et qui s'appuie entre la collerette (26) et le deuxième disque d'embrayage (32).
  10. Scie à chaíne selon la revendication 9,
    caractérisée en ce que
    par son côté supérieur la collerette (26) s'appuie sur un épaulement (27) façonné dans le bouton tournant (25) et par son côté inférieur est saisie de l'arrière par des crochets à déclic (28) formant une seule pièce avec le bouton tournant (25).
EP00949087A 1999-07-07 2000-06-09 Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite Expired - Lifetime EP1112155B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1999131250 DE19931250A1 (de) 1999-07-07 1999-07-07 Kettensäge
DE19931250 1999-07-07
PCT/DE2000/001924 WO2001003896A1 (fr) 1999-07-07 2000-06-09 Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite

Publications (2)

Publication Number Publication Date
EP1112155A1 EP1112155A1 (fr) 2001-07-04
EP1112155B1 true EP1112155B1 (fr) 2004-10-20

Family

ID=7913879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949087A Expired - Lifetime EP1112155B1 (fr) 1999-07-07 2000-06-09 Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite

Country Status (5)

Country Link
US (1) US6564459B1 (fr)
EP (1) EP1112155B1 (fr)
CN (1) CN1138620C (fr)
DE (2) DE19931250A1 (fr)
WO (1) WO2001003896A1 (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19963650A1 (de) 1999-12-29 2001-07-12 Bosch Gmbh Robert Kettensäge
SE0200219L (sv) 2002-01-28 2003-07-29 Electrolux Abp Kedjespännare vid motorsåg
ITBO20020102A1 (it) * 2002-02-28 2003-08-28 Femi S P A Dispositivo di controllo del tensionamento di nastri , in particolareper segatrici a nastro
DE10302872A1 (de) * 2003-01-25 2004-08-05 Narex Česká Lípa a.s. Kettensäge
JP4584143B2 (ja) * 2003-05-20 2010-11-17 ハスクバーナ・ゼノア株式会社 オートチェンテンショナー
US6877233B1 (en) 2004-01-08 2005-04-12 Electrolux Home Products, Inc. Chain saw adjuster mechanism with locking teeth
JP2006015606A (ja) * 2004-07-01 2006-01-19 Kioritz Corp ソーチェーン張り装置
US7434502B2 (en) * 2004-07-21 2008-10-14 Husqvarna Outdoor Products Inc. Bar knob with cam-operated locking mechanism
US7107689B2 (en) * 2004-10-08 2006-09-19 Husqvarna Outdoor Products Inc. Bar knob with integrated lock
US7155832B2 (en) * 2005-03-01 2007-01-02 Husqvarna Outdoor Products Inc. Chain saw with tool-less chain tensioner and guide bar lock
US7350301B2 (en) * 2005-08-25 2008-04-01 Hsin-Chih Chung Lee Tension-adjusting device for a chain in chain saw
US20070062361A1 (en) * 2005-09-16 2007-03-22 Wei Xiong Chainsaw tensioner
DE102006037329B4 (de) 2006-08-10 2020-01-02 Andreas Stihl Ag & Co. Kg Kettenraddeckelanordnung einer handgeführten Kettensäge
US7743513B1 (en) * 2006-10-31 2010-06-29 Mtd Products Inc Chainsaw tensioning device
GB2452768A (en) * 2007-09-14 2009-03-18 Husqvarna Ab Chainsaw with tension adjusting knob and clutch arrangement
WO2009048356A1 (fr) * 2007-10-12 2009-04-16 Husqvarna Ab Dispositif de fixation pour machines-outils portatives
US20090241353A1 (en) * 2008-04-01 2009-10-01 Scott William Ericson Toolless Apparatus for Guide Bar for Chain Saw
US8595943B2 (en) * 2008-06-24 2013-12-03 Mtd Products Inc Torque-limited chain tensioning for power tools
CN101670596B (zh) * 2008-09-10 2015-04-22 苏州宝时得电动工具有限公司 链锯
US9878463B2 (en) * 2008-12-16 2018-01-30 Positec Power Tools (Suzhou) Co., Ltd Chain saw
CN101758520B (zh) * 2008-12-23 2012-11-21 苏州宝时得电动工具有限公司 链锯
DE102010012748B4 (de) 2010-03-25 2020-01-02 Andreas Stihl Ag & Co. Kg Kettensäge
CN201931158U (zh) * 2010-11-30 2011-08-17 宁波黑松工具有限公司 双锯片切割机
WO2012126501A1 (fr) * 2011-03-18 2012-09-27 Husqvarna Ab Tronçonneuse dotée d'un ensemble de serrage de barre de guidage et de tendeur de chaîne
WO2012144942A1 (fr) * 2011-04-21 2012-10-26 Husqvarna Ab Ensemble de serrage pour scie à chaîne
US9132568B2 (en) 2011-10-11 2015-09-15 Echo, Inc. Chainsaw with cutting chain tensioner
JP5910858B2 (ja) * 2012-01-16 2016-04-27 日立工機株式会社 チェンソー
JP2013166251A (ja) * 2012-02-14 2013-08-29 Hitachi Koki Co Ltd チェーンソー
DE102012215461A1 (de) * 2012-06-28 2014-01-02 Robert Bosch Gmbh Werkzeugmaschinentrennvorrichtung
DE102013003850A1 (de) * 2013-03-06 2014-09-25 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät mit einer Spannvorrichtung für eine Kette
US11685034B2 (en) 2014-05-24 2023-06-27 Andreas Stihl Ag & Co. Kg Handheld work apparatus
DE102014007878A1 (de) 2014-05-24 2015-11-26 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
CN104094781B (zh) * 2014-06-20 2017-01-11 宁波大叶园林设备有限公司 一种含对数螺线以平稳调节的锂电链锯
CN108025454A (zh) * 2015-08-18 2018-05-11 布莱克和戴克公司 小外形链锯
CN106378828B (zh) * 2016-11-17 2019-06-04 舒华勇 能够自行调节链条松紧的电链锯
CN107414185B (zh) * 2017-09-15 2023-06-20 锐奇控股股份有限公司 带链条自动张紧结构的链锯
JP6999429B2 (ja) * 2018-01-12 2022-01-18 株式会社マキタ チェーンソー
US11343973B2 (en) * 2018-05-23 2022-05-31 Milwaukee Electric Tool Corporation Pole saw
CN110587723A (zh) * 2019-10-18 2019-12-20 常州格力博有限公司 链锯
EP3954513A1 (fr) * 2019-10-18 2022-02-16 Globe (Jiangsu) Co., Ltd. Scie à chaînes
EP3981533A1 (fr) * 2020-10-12 2022-04-13 Andreas Stihl AG & Co. KG Tronçonneuse à chaîne et procédé permettant de tendre une chaîne de scie d'une tronçonneuse à chaîne
EP4039428A3 (fr) * 2021-02-03 2022-10-26 Techtronic Cordless GP Scies à chaîne

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636995A (en) * 1970-07-02 1972-01-25 Textron Inc Tensioner for saw chain
US3962929A (en) * 1972-11-24 1976-06-15 Omark Industries, Inc. Drive sprocket for chain saw
US3839795A (en) * 1973-04-26 1974-10-08 Mc Culloch Corp Chain saw safety method and apparatus
US3866320A (en) * 1974-03-04 1975-02-18 Textron Inc Guide bar adjustment for chain saw
US4129943A (en) * 1977-11-25 1978-12-19 Bricker Norman C Chain saw bar tightener
US4316327A (en) * 1979-02-26 1982-02-23 Omark Industries, Inc. Chain saw
US4355551A (en) * 1980-06-30 1982-10-26 Kolleas Pete D Chain saw bar attachment
US4382334A (en) * 1981-07-01 1983-05-10 Omark Industries, Inc. Chain saw device
DE3301367A1 (de) * 1983-01-18 1984-07-19 Fa. Andreas Stihl, 7050 Waiblingen Kettenspannvorrichtung fuer eine kettensaege
US4615117A (en) * 1983-04-14 1986-10-07 Roland Flath Fits-all power bar
JPH0727122Y2 (ja) * 1986-12-17 1995-06-21 株式会社共立 チェーンソーのソーチェーンテンショナー
SE469825B (sv) * 1990-03-28 1993-09-27 Electrolux Ab Kedjespännanordning på motorsåg
DE4107110C2 (de) * 1991-03-06 1999-06-02 Stihl Maschf Andreas Motorkettensäge mit einer Schmierölpumpe
US5144751A (en) * 1991-08-09 1992-09-08 Blount, Inc. Method and apparatus for controlling saw chain tension
US5174029A (en) * 1991-12-11 1992-12-29 Jt Investments Chain saw tensioning mechanism
DE4219956C2 (de) * 1992-06-18 2000-03-30 Stihl Maschf Andreas Schneideinrichtung für eine Motorkettensäge
US5491899A (en) * 1992-06-25 1996-02-20 Stihl Andreas Tensioning arrangement for a saw chain
DE9311081U1 (de) * 1993-07-24 1994-11-17 Dolmar Gmbh Spannvorrichtung für einen Ketten- oder Riementrieb einer Handwerkzeugmaschine
FI101353B (fi) 1997-01-30 1998-06-15 Lako Forest Oy Menetelmä ja laite katkaisusahan ketjun kiristämiseksi
US5896670A (en) * 1997-07-24 1999-04-27 Blount, Inc. Chain tensioner for chain saw
US5938508A (en) * 1997-08-11 1999-08-17 Micron Electronics, Inc. Method for removing marks from integrated circuit devices and devices so processed

Also Published As

Publication number Publication date
WO2001003896A1 (fr) 2001-01-18
US6564459B1 (en) 2003-05-20
CN1316944A (zh) 2001-10-10
CN1138620C (zh) 2004-02-18
EP1112155A1 (fr) 2001-07-04
DE50008318D1 (de) 2004-11-25
DE19931250A1 (de) 2001-01-11

Similar Documents

Publication Publication Date Title
EP1112155B1 (fr) Scie a chaine comportant un dispositif de tension de chaine pourvu d'un systeme de debrayage de securite
EP1159112B1 (fr) Scie a chaine dotee d'un dispositif tendeur de chaine
DE10258372B4 (de) Spannaufbau
DE4219956C2 (de) Schneideinrichtung für eine Motorkettensäge
DE102006001986A1 (de) Spannvorrichtung zum lösbaren Befestigen eines scheibenförmigen Werkzeugs
DE202009001440U1 (de) Kraftgetriebenes Handwerkzeug mit Spanneinrichtung für ein Werkzeug
DE3644441A1 (de) Spanneinrichtung zum loesbaren befestigen eines werkzeuges, insbesondere einer scheibe
DE10017980A1 (de) Maschinenwerkzeugaufnahme
EP2774733A1 (fr) Appareil de travail manuel doté d'un dispositif de serrage pour une chaîne
DE4208715C2 (de) Schrauber
DE3405885C1 (de) Einrichtung zum Befestigen einer Schleifscheibe an der Schleifspindel einer tragbaren Winkelschleifmaschine
EP0050238B1 (fr) Moyen de réglage pour élément de construction réglable, particulièrement pour un dispositif de tension de courroies de transmission comprenant un bras tendeur
EP2798937A1 (fr) Appareil de travail
DE10158334C1 (de) Elektrohandwerkzeuggerät mit Schutzhaube
DE10007665A1 (de) Werkzeugmaschine
DE102007000845A1 (de) Handwerkzeugmaschine
DE19518854A1 (de) Handgeführte Elektrowerkzeugmaschine, insbesondere Winkelschleifmaschine
DE19831542A1 (de) Handwerkzeugmaschine
EP0459121B1 (fr) Sabot de guidage pour machine portative
EP1211585A2 (fr) Levier à main
DE19934352B4 (de) Kettensäge
DE3405421A1 (de) Schalthebelanordnung fuer ein fahrrad
DE3431901A1 (de) Werkzeugbefestigung mit zwischenhuelse
EP1375080A2 (fr) Machine-outil avec un mécanisme de blocage pour bloquer son arbre d'entraínement
DE3441943C2 (fr)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20010718

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50008318

Country of ref document: DE

Date of ref document: 20041125

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20050202

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20041020

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050721

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080827

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20090623

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090618

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090623

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20090627

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100101

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100609

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100609

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100609

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100610