EP2110214B1 - Machine-outil manuelle - Google Patents

Machine-outil manuelle Download PDF

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Publication number
EP2110214B1
EP2110214B1 EP09004429.8A EP09004429A EP2110214B1 EP 2110214 B1 EP2110214 B1 EP 2110214B1 EP 09004429 A EP09004429 A EP 09004429A EP 2110214 B1 EP2110214 B1 EP 2110214B1
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EP
European Patent Office
Prior art keywords
clamping
hand
tool
operated power
actuating
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
EP09004429.8A
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German (de)
English (en)
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EP2110214A2 (fr
EP2110214A3 (fr
Inventor
David Ryger
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.)
Festool GmbH
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Festool GmbH
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Publication date
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Publication of EP2110214A2 publication Critical patent/EP2110214A2/fr
Publication of EP2110214A3 publication Critical patent/EP2110214A3/fr
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Publication of EP2110214B1 publication Critical patent/EP2110214B1/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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/14—Arrangements for stretching the chain saw

Definitions

  • the invention relates to a hand-held machine tool, in particular a chain saw, according to the preamble of claim 1.
  • Such a hand-held machine tool goes out WO 2005/108030 A1 out.
  • Tools in the form of e.g. Saw blades or swords of chainsaws on which a saw chain is guided, are usually fastened with the aid of a tool holding recess of the tool penetrating bolt and a screwed onto the bolt nut on the tool holder.
  • a tool holding recess of the tool penetrating bolt and a screwed onto the bolt nut on the tool holder are usually fastened with the aid of a tool holding recess of the tool penetrating bolt and a screwed onto the bolt nut on the tool holder.
  • an operating tool is necessary, e.g. a wrench.
  • the tool holding recess is e.g. in swords of chainsaws a slot so that the tool is displaced as a whole for adjusting a tension of the saw chain, wherein the bolt can assume different positions within the slot.
  • the tool e.g. the sword of the chainsaw, stretched only at one point against the housing of the hand-held machine tool, namely where the bolt passes through the tool-holding recess.
  • the inner clamping movement runs, for example, in an inner clamping direction, so that at the end of the clamping operation, the two clamping bodies - there may also be other clamping bodies present - are clamped against the opposite inner surfaces of the tool holding recess.
  • the clamping bodies are clamped in the tool holding recess, so to speak, which improves the holding properties.
  • one of the clamping body may be stationary, for example, arranged on a housing of the machine tool or may be formed by this, while the other clamping body is movable relative thereto. But it can also be mounted movably both clamping body.
  • a hand-held machine tool e.g. an electric drive, a pneumatic drive or an internal combustion engine may be provided.
  • the manual machine tool according to the invention is preferably a chain saw, in particular a chain saw with a sword-shaped, the tool forming guide blade for guiding the saw chain.
  • the holding recess of the tool comprises a passage opening, for example a round or polygonal passage opening, and preferably a slot.
  • the clamping means are advantageously configured for penetrating the tool holding recess.
  • a gear for actuating at least one of the clamping body is provided.
  • the transmission By the transmission, an operating force can be increased, the operation is simplified.
  • the transmission is formed by a helical gear, a gear transmission or the like.
  • a deflection gear is provided which deflects a transverse to the inner clamping movement extending actuating force in the direction of the inner clamping movement.
  • a wedge gear is provided, which is provided for actuating the clamping body.
  • the wedge gear can optionally form the deflection gear.
  • the wedge gear is preferably arranged at least substantially inside the slot.
  • the first and / or the second clamping body form components of the wedge gear.
  • the wedge gear expediently comprises at least one inclined surface arranged on one of the clamping bodies.
  • both clamping body inclined surfaces which abut each other.
  • the actuating body acting on one or both clamping bodies to have an inclined surface.
  • the inclined surfaces have an advantageous effect in terms of a force amplification of the operating force when operating the actuator.
  • the clamping means comprise at least one clamping body with an outer clamping surface, which is provided for clamping a lying next to the tool holding recess portion of the tool against a support surface of the tool holder.
  • the tool is not only clamped in the area of the tool-holding recess from the inside, but in addition still on at least one area, which is outside of the holding recess outside the same, outside of the tool-holding recess so to speak braced from the outside.
  • the clamping thus takes place in an outer clamping direction, which runs transversely to the inner clamping direction of the inner clamping movement.
  • the outer clamping surface is advantageous to one or both inner clamping surfaces at an angle, in particular at right angles.
  • both clamping body can have outer clamping surfaces.
  • the support surface is arranged on the first clamping body, the outer clamping surface on the second clamping body.
  • the bearing surface of the first clamping body and the outer clamping surface of the second body are advantageously opposite each other and are also located next to the inner clamping surface of the first clamping body.
  • the inner clamping surface of the second clamping body is moved away during the inner clamping movement in the sense of bracing of the support surface, the outer clamping surface and the inner clamping surface of the first clamping body. In this way one reaches a kind of tension at corner areas of a triangle, which allows a stable positioning of the tool on the machine tool.
  • the support surface, the inner clamping surface of the first clamping body and the outer clamping surface expediently form a substantially U-shaped receptacle for the tool.
  • the tool is gripped on several sides of the tool-holding recess, which ensures a stable grip.
  • An oblique surface between its inner clamping surface and its outer clamping surface is expediently arranged on the second clamping body.
  • the respective surfaces can, but need not be directly adjacent to each other.
  • At least one of the inner clamping surfaces has expediently an arcuate or spherical contour, which also allows for tilting the respective clamping body a stable clamping position.
  • An arcuate or spherical contour is accordingly also advantageous in the case of the outer clamping surface and / or in the bearing surface.
  • a particularly preferred embodiment of the invention provides that the inner clamping surface of the first clamping body and the support surface are substantially planar surfaces, while the clamping surfaces of the second clamping body and provided on it outer clamping surface is each convex or arcuate, so that the second Clamping body also with a tilted or tilted clamping contact in the area of its inner clamping surface and its outer clamping surface with the clamped or clamped tool has.
  • the first clamping body with respect to a housing of the hand-held machine tool is stationary, while the second clamping body is movable relative to the first clamping body.
  • the actuating force direction of the actuator then runs in the direction of the housing.
  • the inner clamping surface of the first clamping body and / or the inner clamping surface of the second clamping body are provided, for example, for clamping against an extending in a longitudinal direction of the elongated hole inner surface of the tool-holding recess.
  • a clamping of the clamping body against longitudinal ends of the tool-holding recess is also possible.
  • the inner clamping surfaces are expediently designed such that they bear against the tool holding recess at several locations or on a region extending in a longitudinal direction, so that the tool is held on the tool holder in a tilt-proof manner.
  • a respective inner clamping surface extends along the longitudinal direction of the elongated hole. But it is also possible that the respective inner clamping surface has two or more spaced apart in a longitudinal direction of the elongated hole clamping areas, for example, spherical projections or the like.
  • the tool holder expediently knows at least one additional to the clamping bodies supporting body on which an inner surface of the tool-holding recess, in particular extending in the longitudinal direction of the elongated inner side, can be supported.
  • the additional support body is expediently at a longitudinal distance with respect the longitudinal extension direction arranged next to the first or second clamping body.
  • the actuating device expediently comprises a bearing part on which the second clamping body is movably mounted at least in the operating force direction.
  • the second clamping body is also movably mounted transversely to the operating force direction on the bearing part, e.g. to allow for lateral movement and / or tilting for clamping.
  • the second clamping body has expediently tilt play with respect to the bearing part.
  • the second clamping body is mounted captive on the bearing part.
  • the actuating body holds the second clamping body captive on the bearing part,
  • the bearing part could for example be arranged on a housing of the hand-held machine tool or formed by a housing of the hand-held machine tool. It is also possible that the bearing part is formed by a housing part, preferably a cover for the tool or another housing part, or is arranged thereon. However, the bearing part is advantageously a bearing part separate from the housing, in particular from the basic housing, of the hand-held machine tool.
  • the actuating body on the bearing part is movable, for example rotatably and / or linearly movable, stored. It is understood that the actuating body can also be a not stored on the bearing part component.
  • the bearing part holds the actuator body captive with movement play, preferably with rotational play and / or axial play.
  • the actuating body expediently comprises a clamping nut and / or a clamping bolt which act on one or both clamping bodies.
  • the actuating body expediently comprises or forms a manual handle for manual and tool-free actuation of the actuating device.
  • the actuator body may also be coupled in motion with a manual handle, which acts on the actuator body.
  • the handle is formed for example by an actuating lever. However, it is particularly preferred that the handle is formed by projecting handling sections on the actuating body.
  • the manual handle is preferably held to the hand-held machine tool with play, however, captive, e.g. on the bearing part, a housing or the like.
  • the first clamping body is advantageously fixedly connected to a bolt fixed relative to a housing of the machine tool, e.g. glued or welded.
  • the clamping body may also be a one-piece with the bolt component.
  • the first clamping body is advantageously arranged next to one or the aforementioned stationary bolt, which in turn penetrates an opening on the second clamping body.
  • the bolt forms an abutment for the actuator body.
  • a hand machine tool 10 is formed by a chain saw 11.
  • the chain saw 11 has a tool holder 12 to which a tool 13 can be attached.
  • a saw chain 15 is shown schematically.
  • the guide sheet 14 has a sword-like shape, so you can call it a sawing sword.
  • An electric drive 16 drives a drive wheel 17, for example a pinion, for driving the saw chain 15.
  • a chain guard 19 is arranged at the rear with respect to a working direction A of the hand-held machine tool 10.
  • a wood block or other workpiece can be sawn.
  • the tool holder 12 comprises a holding body 20 arranged in or on a housing 18 of the hand-held power tool 10 for fastening the tool 13.
  • the housing 18 is in FIG. 1 schematically indicated and includes, for example, one or more handles 96, 89, 99 for gripping the hand-held machine tool 10, a recess within which the tool 13 can be arranged and the like.
  • further components may be provided, for example, the tool 13 surrounding and protective housing components.
  • the drive 16 or a transmission upstream of this can be arranged, for example, in a drive recess of a drive section 21 of the holding body 20.
  • a support and holding section 22 which provides a bearing surface 23 for laying or applying the tool 13.
  • the support surface 23 protrudes in front of a main body 24 of the holding portion 22 and projects into a recess 25 of a housing part 26 of the housing 18.
  • support surfaces 27 provided by wall sections of the housing part 26 extend, with the wall sections advantageously being supported on the upper side of the main body 24.
  • the tool 13 can be clamped to the tool holder 12 with clamping means 30.
  • the clamping means 30 comprise a first, fixedly arranged on the holding body 20 clamping body 31 and a relative to the first clamping body 31 in an inner clamping direction 33 movable second clamping body 32.
  • the two clamping bodies 31, 32 are provided for internal clamping within a tool-holding recess 34 of the tool 13 , In this internal tension an inner clamping surface 35 of the first clamping body 31 and an inner clamping surface 36 of the second clamping body 32 are moved away from each other in an indicated by an arrow inner clamping movement 37, wherein the two inner clamping surfaces 35, 36 against opposite longitudinal inner surfaces 38 of the tool-holding recess 34 are tensioned.
  • the first clamping body 31 has a polygonal in plan view, advantageously substantially rectangular outer contour, which correlates with a polygonal inner contour of a recess 39 on the holding portion 22. As a result, the first clamping body 31 is rotatably received in the recess 39.
  • a bolt 40 is arranged, which is fixedly connected to the first clamping body 31.
  • a lower portion 41 of the bolt 40 is inserted into a bore 42 on the holding body 20 and fixed there.
  • the bolt 40 is glued into the bore 42, cast, molded or held by a nut on the underside of the holding portion 22.
  • the first clamping body 31 is advantageously glued into the recess 39, encapsulated or otherwise fixed there, so that overall the clamping body 31 is fixedly connected to the housing 18 of the machine tool 10.
  • the first clamping body 31 is expediently integral with the bolt 40, that is, the components 31, 40 are formed by a single component.
  • an actuator 45 For relative movement of the second clamping body 31 relative to the first clamping body 32 in the inner clamping movement 37 is an actuator 45 with an actuating body 46 forming a clamping nut 47.
  • the clamping nut 47 is rotatably received in a bearing part 48 of the actuator 45.
  • the clamping nut 47 has only rotational play.
  • pratzenieri projections 49 engage over a substantially flat edge portion 50 of the clamping nut 47.
  • the clamping nut 47 is held captive on the bearing part 48.
  • the clamping nut 47 is advantageously designed like a hat.
  • the edge region 50 is supported on a bottom 51 of the bearing part 48, so that the edge region 50 between the bottom 51 and the claw projections 49 is rotatably mounted.
  • the bottom 51 is substantially flat and thus forms a sliding surface for a bottom 53 of the clamping nut 47th
  • the underside 53 also forms an actuating surface 54 of the actuating body 46, which exerts an actuating force in an operating force 55 on an upper side 56 of the second clamping body when screwing the clamping nut 47 on an upper portion 43 of the bolt 40.
  • the bolt 40 which penetrates with its upper portion 43, the tool-holding recess 34, together with the clamping nut 47, a clamping gear for actuating the clamping body 32.
  • a threaded sleeve 58 is rotatably disposed on a not shown Thread on the upper portion 43 of the bolt 40 can be screwed.
  • the second clamping body 32 is movably mounted in an opening 52 of the bearing part 48 at least along the actuating force direction 55.
  • the opening 52 is provided on the bottom 51.
  • the second clamping body 32 and transverse to the actuating force direction 55 game in the bearing receptacle of the bearing part 48, i. in the embodiment in the opening 52nd
  • the second clamping body 32 is arranged captive on the bearing part 48.
  • projections 60 are provided on the clamping body 32, which engage in corresponding stepped recesses 61 of the opening 52.
  • the two projections 60 protrude laterally in front of a clamping portion 62, which penetrates a relation to the step recess 61 narrower portion of the passage opening 52. So that is the Opening 52 to the clamping nut 47 continues.
  • the clamping nut 47 held by the claw projections 49 holds the clamping body 32 in the opening 52, which in turn is supported with its projections 60 on the stepped recesses 61.
  • the clamping nut 47 is arranged relatively deep and thus protected in a trough 63 of the bearing part 48, it can be easily grasped by an operator.
  • the dome portion 59 and handle portions 64 that extend away from the dome portion 59 toward the edge portion 50 have a height approximately equal to a depth of the trough 63.
  • the two handle portions 64 are wing-like, so that the clamping nut 47 forms a kind of wing nut. In any event, the clamping nut 47 can be conveniently gripped and rotated by an operator at the radially extending handle portions 64. A tool for actuating the actuator 45 is thus not required.
  • the second clamping body 32 has a ring-like shape with a through hole 70, which penetrates the pin 40.
  • the passage opening 70 has a transverse width such that the clamping body 32 is penetrated by play with respect to the internal clamping movement 37 from the bolt 40.
  • a deflection gear 71 which in the present case comprises a wedge gear 72, deflects the actuating force of the actuating device 45 in the direction of the actuating force direction 55 so that the inner clamping surface 36 of the second clamping body 32 moves away from the inner clamping surface 35 of the first clamping body 31 in the direction of the Inner surfaces 38 of the tool-holding recess 34 are tensioned.
  • the wedge gear 72 comprises the two clamping bodies 31, 32, which run along each other sliding inclined surfaces 73, 74 have.
  • the two inclined surfaces 73, 74 extend obliquely to the actuating force direction 55, so that acting on the upper side 56 of the clamping body 32 actuating force in the internal clamping direction 33, ie transversely to the actuating force direction 55, is deflected.
  • the inclined surface 73 of the clamping body 31 is a ramp-like planar surface
  • the inclined surface 74 of the second clamping body 32 is bale-shaped or curved, so that the second clamping body 32 with respect to the first clamping body 31 is not only slidable, but also transversely to the actuating force direction 55 tiltable or pivotable.
  • An outer clamping surface 75 on the second clamping body 32 is located opposite a bearing surface 76 on the first clamping body 31.
  • the bearing surface 76 is advantageously coplanar with the bearing surfaces 23, 27, wherein the bearing surfaces 23 and / or 27 could be set back completely relative to the bearing surface 76 in another embodiment of the tool holder 12.
  • the outer clamping surface 75 biases a region 77 of the tool 13 lying next to the tool holding recess 34 against the bearing surface 76.
  • the inner clamping surface 35 and the bearing surface 76 are arranged in the manner of a step on a side facing away from the inclined surface 73 side of the first clamping body 31.
  • the bale-shaped or curved inclined surface 74 of the second clamping body 32 is expedient in connection with the likewise advantageously crowned or curved outer clamping surface 75.
  • both the inner clamping surfaces 35, 36 are clamped against the inner surfaces 38 of the tool-holding recess 34 so the two surfaces 75, 76 clamp the area 77 of the tool 13.
  • the outer clamping surface 75, the support surface 76 and the inner clamping surface 35 of the first clamping body 31 form a U-shaped configuration in which the region 77 of the tool 13 is accommodated like a clamp.
  • the tool holding recess 34 is designed as a slot 80.
  • the two inner clamping surfaces 35, 36 of the clamping bodies 31, 32 extend parallel to the direction of longitudinal extension 81 of the oblong hole 80, so that the inner clamping surfaces 35, 36 preferably lie flat against the longitudinal inner surfaces 38 along the longitudinal extension direction 81.
  • a clamping device 90 For clamping the saw chain 15, a clamping device 90 is provided.
  • a driver projection 91 engages in a receptacle 92 on the guide sheet 14.
  • the driver projection 91 is by a transmission, expediently a spindle gear, along the longitudinal extension direction 81 of the slot 80 slidingly movable and thus takes the tool 13 along along the longitudinal direction 81 with.
  • the slot 80 allows the required degree of freedom of movement along the longitudinal extension direction 81.
  • a support body 85 protrudes upward, which engages in the slot 80. Side surfaces of the support body 85 support the longitudinal inner surfaces 38 of the tool-holding recess 34.
  • the support body 85 is with respect to the longitudinal direction 81 of the two clamping body 31, 32 removed, so that the tool-holding recess 34 with respect to the longitudinal direction 81 is supported in several places.
  • a further support body 85 for example, on the underside of the bearing part 48, which also engages in the slot 80 and supports one or both longitudinal inner surfaces 38.
  • a saw table 95 is attached, in front of which the tool 13, in particular the guide sheet 14 protrudes.
  • the handling or gripping of the hand-held power tool 10 is facilitated by an advantageous handle arrangement.
  • the housing 18 may be gripped on the handle 96 by an operator.
  • On the handle 96 is a switch 97 for turning on the drive 16th
  • the operator may also optionally grip the handheld power tool 10 on two further handles 98 and 99 located above the saw table 95.
  • the handles 98, 99 attached to the saw table 95. While a handle portion of the handle 96 extends substantially angled, preferably rectangular and slightly inclined to a guide surface or support surface 101 for application to a workpiece, handle portions 100 of the two handles 98, 99 extend substantially parallel to the support surface 101 Machine tool 10 lead exactly and exercise if necessary, a contact pressure on the support surface 101 when applying to the workpiece.
  • the clamping device 90 can be actuated, for example, with a handwheel 93 arranged on the outside of the housing 18.
  • the housing 18 is expediently pivotable in at least one axis, preferably in several axes with respect to the Saw table 95, so that bevel cuts and miter cuts are easy to carry out.
  • the two handles 98, 99 are arranged next to a motor housing 102 of the housing 18. With regard to the working direction A, the first handle 98 is thus arranged behind the motor housing 102, the second handle 99 in front of the motor housing 102.
  • the handle portions 100 extend substantially transversely to the working direction A.
  • the handle portion 100 are present designed knob-like or toggle-like, so that they can be easily grasped.
  • the two handle portions 100 are disposed at upper ends of inclined supports 103.
  • the supports 103 are inclined obliquely forward with respect to the working direction A, so that upper portions of the supports 103 provide support areas for supporting, for example, a handball of the operator.
  • the supports 103 arcuate, which is ergonomically advantageous.
  • the two supports 103 are attached to the upper side of the saw table 95, wherein an integral with a housing of a hand-held machine tool construction is also conceivable.

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

Claims (15)

  1. Machine-outil manuelle, en particulier scie à chaîne (11), avec un support d'outil (12) pour le maintien d'un outil (13) pour l'usinage d'une pièce, avec un entraînement (16) pour l'entraînement de l'outil (13) et avec des moyens de serrage (30) pour la pénétration dans un évidement de retenue d'outil (34) de l'outil (13), en particulier pour la traversée de l'évidement de retenue d'outil (34) et pour le serrage de l'outil (13) sur le support d'outil (12), dans laquelle les moyens de serrage (30) comportent un premier corps de serrage (31) et un second corps de serrage (32), qui sont logés de manière mobile l'un par rapport à l'autre, et dans laquelle elle présente un dispositif d'actionnement (45) avec un corps d'actionnement (46) pour l'actionnement des corps de serrage (31, 32) en un mouvement de serrage intérieur (37) s'étendant l'un par rapport à l'autre, dans laquelle le corps d'actionnement (46) agit dans un sens de force d'actionnement sur au moins un corps de serrage (31, 32), et dans laquelle lors du mouvement de serrage intérieur (37), une surface de serrage intérieure (35) du premier corps de serrage (31) et une surface de serrage intérieure (36) du second corps de serrage (32) sont serrées contre des surfaces intérieures (38) opposées l'une de l'autre de l'évidement de retenue d'outil (34), caractérisée en ce que les moyens de serrage (30) présentent au moins un corps de serrage (31, 32) avec une surface de serrage extérieure (75) pour le serrage d'une zone (77) se trouvant à côté de l'évidement de retenue d'outil (34) de l'outil (13) contre une surface d'appui (76) du support d'outil (12).
  2. Machine-outil manuelle selon la revendication 1, caractérisée en ce que le dispositif d'actionnement (45) comporte un engrenage de serrage (57).
  3. Machine-outil manuelle selon la revendication 1 ou 2, caractérisée en ce que le dispositif d'actionnement (45) présente un engrenage de renvoi (71) pour le renvoi de la force d'actionnement du dispositif d'actionnement (45) en direction du mouvement de serrage intérieur (37), dans laquelle la force d'actionnement agit transversalement au mouvement de serrage intérieur (37).
  4. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce qu'elle présente un engrenage à coin (72) pour l'actionnement des corps de serrage (31, 32), dans laquelle l'engrenage à coin (72) comporte de manière appropriée au moins une surface oblique (73, 74) agencée sur l'un des corps de serrage (31, 32).
  5. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que la surface de serrage extérieure (75) est agencée sur le premier et/ou le second corps de serrage (32) et/ou en ce que la surface d'appui (76) est agencée sur le premier corps de serrage (31) et la surface de serrage extérieure (75) est agencée sur le second corps de serrage (32) et/ou en ce qu'avantageusement sur le second corps de serrage (32), une surface oblique (74) est agencée entre sa surface de serrage intérieure (36) et sa surface de serrage extérieure (75).
  6. Machine-outil manuelle selon la revendication 5, caractérisée en ce que la surface d'appui (76) du premier corps de serrage (31) et la surface de serrage extérieure (75) du second corps de serrage (32) sont opposées et sont agencées à côté de la surface de serrage intérieure (35) du premier corps de serrage (31).
  7. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce qu'au moins une surface de serrage intérieure (35, 36) et/ou la surface de serrage extérieure (75) présentent un contour arqué ou bombé.
  8. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le premier corps de serrage (31) est fixe par rapport au boîtier (18) de la machine-outil manuelle et en ce que le sens de force d'actionnement du dispositif d'actionnement (45) est dirigé en direction du boîtier (18).
  9. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que l'évidement de retenue d'outil (34) est un trou oblong (80), et en ce que la surface de serrage intérieure (35) du premier corps de serrage (31) et/ou la surface de serrage intérieure (36) du second corps de serrage (32) sont prévues pour le serrage contre une surface intérieure (38) s'étendant dans un sens d'étendue longitudinal (81) du trou oblong (80) de l'évidement de retenue d'outil (34), dans laquelle la surface de serrage intérieure (35, 36) respective présente au moins deux zones de serrage espacées par rapport à un sens d'étendue longitudinal (81) du trou oblong (80) et/ou s'étend dans le sens d'étendue longitudinal (81) du trou oblong (80).
  10. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le support d'outil (12) présente au moins un corps d'appui (85, 86) pour l'appui d'au moins une surface intérieure (38) de l'évidement de retenue d'outil (34), et en ce que l'au moins un corps d'appui (85, 86) est agencé à une distance longitudinale par rapport au sens d'étendue longitudinal (81) à côté du premier et du second corps de serrage (31, 32).
  11. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le dispositif d'actionnement (45) présente une partie de palier (48), dans laquelle le second corps de serrage (32) est logé de manière mobile au moins dans le sens de force d'actionnement, dans laquelle le corps d'actionnement (46) est logé de façon appropriée sur la partie de palier (48) de manière mobile, en particulier de manière mobile en rotation et/ou en ce que la partie de palier (48) forme de manière appropriée un recouvrement pour l'outil (13) et est agencée sur un recouvrement.
  12. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le corps d'actionnement (46) comporte un écrou de serrage (47) et/ou un boulon de serrage et/ou en ce que le corps d'actionnement (46) comporte ou forme une poignée manuelle (65) pour l'actionnement manuel et sans outil ou est couplé en déplacement avec une poignée manuelle (65), dans laquelle la poignée (65) est maintenue de manière imperdable de façon appropriée sur la machine-outil manuelle (10), en particulier sur le boîtier (18) ou sur la partie de palier (48).
  13. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le premier corps de serrage (31) est fixement relié ou est d'un seul tenant avec un boulon (40) fixe par rapport à un boîtier (18) de la machine-outil (10).
  14. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce que le premier corps de serrage (31) est agencé à côté d'un boulon (40) fixe par rapport à un boîtier (18) de la machine-outil (10) qui traverse une ouverture sur le second corps de serrage (32) et qui forme un contre-palier pour le corps d'actionnement (46).
  15. Machine-outil manuelle selon l'une des revendications précédentes, caractérisée en ce qu'elle est une scie à chaîne (11) et en ce que l'outil (13) est une lame de guidage (14) pour le guidage d'une chaîne de scie (15).
EP09004429.8A 2008-04-18 2009-03-27 Machine-outil manuelle Active EP2110214B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008019511A DE102008019511A1 (de) 2008-04-18 2008-04-18 Hand-Werkzeugmaschine

Publications (3)

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EP2110214A2 EP2110214A2 (fr) 2009-10-21
EP2110214A3 EP2110214A3 (fr) 2013-08-07
EP2110214B1 true EP2110214B1 (fr) 2017-08-23

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EP09004429.8A Active EP2110214B1 (fr) 2008-04-18 2009-03-27 Machine-outil manuelle

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EP (1) EP2110214B1 (fr)
DE (1) DE102008019511A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142751C1 (en) * 1991-12-23 1992-12-17 Fa. Andreas Stihl, 7050 Waiblingen, De Motor-driven chain-saw - has guide-plate with rear end held in place by fitting into shoulders on motor housing
JP3712594B2 (ja) * 2000-05-19 2005-11-02 株式会社マキタ チェーンソー
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
DE102004022170A1 (de) * 2004-05-05 2006-01-12 Hans Einhell Ag Kettensäge
US7155832B2 (en) * 2005-03-01 2007-01-02 Husqvarna Outdoor Products Inc. Chain saw with tool-less chain tensioner and guide bar lock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2110214A2 (fr) 2009-10-21
EP2110214A3 (fr) 2013-08-07
DE102008019511A1 (de) 2009-10-22

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