CN102666028A - Handheld machine tool device - Google Patents

Handheld machine tool device Download PDF

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Publication number
CN102666028A
CN102666028A CN2010800572301A CN201080057230A CN102666028A CN 102666028 A CN102666028 A CN 102666028A CN 2010800572301 A CN2010800572301 A CN 2010800572301A CN 201080057230 A CN201080057230 A CN 201080057230A CN 102666028 A CN102666028 A CN 102666028A
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CN
China
Prior art keywords
spring
hand
shock
spigot surface
quality
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Granted
Application number
CN2010800572301A
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Chinese (zh)
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CN102666028B (en
Inventor
P·海嫩
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN102666028A publication Critical patent/CN102666028A/en
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Publication of CN102666028B publication Critical patent/CN102666028B/en
Expired - Fee Related legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0073—Arrangements for damping of the reaction force
    • B25D2217/0076—Arrangements for damping of the reaction force by use of counterweights
    • B25D2217/0092—Arrangements for damping of the reaction force by use of counterweights being spring-mounted

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The invention is based on a handheld machine tool device, in particular for a drill hammer and/or a chisel hammer, comprising at least one vibration-absorbing device (12a; 12b), which has at least one absorber mass (14a; 14b), an absorber housing (16a; 16b) and at least one absorber spring (18a, 20a; 18b, 20b), wherein the absorber spring (18a, 20a; 18b, 20b) is provided to support the absorber mass (14a; 14b) on two opposing sides in the spring direction (22a; 22b). According to the invention, the absorber housing (16a; 16b) has at least one spring guide surface (24a; 24b), which guides the absorber spring (18a, 20a; 18b, 20b) in the spring direction (22a; 22b) in at least one operating state.

Description

Hand-held machine tool device
Technical field
The present invention relates to a kind of according to claim 1 hand-held machine tool device as described in the preamble.
Background technology
Advised a kind of hand-held machine tool device, in particular for the hand-held machine tool device of hammer drill and/or chiso-mallet; It has at least one vibration dampeners; Said vibration dampeners has at least one vibration damping quality, shock absorber casing and at least one shock-absorbing spring; Wherein, said shock-absorbing spring is set at two and on opposed side on the spring direction, supports the vibration damping quality.
Summary of the invention
The present invention relates to a kind of hand-held machine tool device, in particular for the hand-held machine tool device of hammer drill and/or chiso-mallet; It has at least one vibration dampeners; Said vibration dampeners has at least one vibration damping quality, shock absorber casing and at least one shock-absorbing spring; Wherein, said shock-absorbing spring is set at two and on opposed side on the spring direction, supports the vibration damping quality.
The present invention's suggestion, said shock absorber casing has at least one spring spigot surface, and said spring spigot surface leads to said shock-absorbing spring on the spring direction at least one running status." vibration dampeners " especially is to be understood that to be a device; This device at least one running status at least one handgrip on the machine hand tool housing and especially at hand held power machine generation power, the vibration adverse effect of this power and vibration, especially machine hand tool housing.Vibration dampeners can realize the advantageously operation of low vibration of hand held power machine thus.Preferably, vibration dampeners does not have seedbed work, promptly is the noenergy input except vibrational energy.Advantageously, vibration dampeners can be attached on the hand-held tool.Conversion ground or additionally, vibration dampeners is installed on the hand-held tool regularly and/or in bulk." vibration damping quality " especially is to be understood that to be a unit, and this unit is set for through acceleration and/or decelerative force and reduces vibration." shock absorber casing " especially is to be understood that to be a housing, and this housing especially directly supports the power of shock-absorbing spring.Preferably, shock absorber casing and machine hand tool housing part constitutes integratedly.Advantageously, shock absorber casing is protected shock-absorbing spring, spring spigot surface and is advantageously protected the vibration damping quality to avoid dirt.Term " shock-absorbing spring " especially is to be understood that to be a spring, and this spring is set for power especially is directly delivered to vibration damping qualitatively, and this power is quickened and/or deceleration the vibration damping quality.Advantageously, shock-absorbing spring is configured to helical compression spring.Conversion ground or additionally, shock-absorbing spring can be configured to the technical staff and think significant other torsionspring, flexural spring, tension spring and/or gas spring.Term " supporting on the opposed side on the spring direction " at two especially be to be understood that into, shock-absorbing spring at least one running status especially directly causing a power on the direction of vibration damping quality on first side and at least one running status with opposed second side of first side on especially directly on the direction of vibration damping quality, cause a power.These power advantageously make the vibration damping quality quicken and/or deceleration." spring direction " especially is to be understood that and is at least one direction in context, and shock-absorbing spring must carry on this direction, so that can store maximum energy.Advantageously, shock-absorbing spring is in that be configured on the spring direction can be with at least 25% strain of the length in the state that does not receive load." setting " especially is to be understood that and is special configuration and/or design." spring spigot surface " especially is to be understood that to be a face, and this face is set for one is applied on the shock-absorbing spring perpendicular to the directed power of spring direction.Advantageously, the spring spigot surface stops the spring motion in one direction of vibration damping quality, and this direction departs from the spring direction basically, promptly departs from above 15 °.Term " guiding " especially is to be understood that in context to, spring spigot surface is set for and stops the distortion different with the distortion that pre-sets.Through hand-held machine tool device by design of the present invention can realize the being of compact construction light and portable especially hand held power machine of shape and little vibration damping quality, the vibrational energy that this hand held power machine will produce when cutter is cut especially less is delivered on the user.This can be through between shock-absorbing spring and shock absorber casing connection of advantageously rigidity realize especially power stream through straight line basically and the material cross-section through big transmission power.In addition; Especially through the supported on both sides of vibration damping quality on shock-absorbing spring, can be when little spring area size and few the number of components through being stored in big kinetic energy in the vibration damping quality, for example realizing high efficient simply by the big possible velocity structure of vibration damping quality.Can realize low especially coefficient of friction in addition simple in structurely.
In another kind of design, advise; Said spring spigot surface surrounds said shock-absorbing springs to surpass 45 ° at one on perpendicular to the plane of said spring direction, thus simple in structurely reliably to the shock-absorbing spring guiding and advantageously can realize hanging down especially the design that rubs through favourable definite tolerance simple in structure.Preferably, the spring spigot surface is to surpass 90 °, especially preferably to surround shock-absorbing springs above 185 °.Term " encirclement " especially is to be understood that to, spring spigot surface and in surpassing 45 ° angular range, surrounds the perspective plane central point of shock-absorbing spring along the projection of spring direction.
Suggestion in addition, said vibration damping quality and said shock absorber casing are surrounded a spring zone to surpass 270 ° together, can protect thus and advantageously this spring zone of anti-soil thing encapsulation and quality spigot surface especially simple in structurely." spring zone " especially is to be understood that to be a chamber, and shock-absorbing spring is arranged in this chamber in a running status and/or advantageously can in this chamber, moves.Advantageously, this chamber is at least by at least one spring spigot surface and at least one spring supporting surface gauge.Preferably, shock absorber casing and vibration damping quality are together to surpass 270 ° of each points that surrounds the spring zone.Advantageously, shock absorber casing and vibration damping quality are to surpass 350 °, especially preferably promptly fully to surround the spring zone with 360 °.Preferably, the housing of shock absorber casing and hand held power machine at least partly constitutes integratedly.Advantageously, shock absorber casing and vibration damping quality perpendicular to and/or be parallel in the plane that the spring direction is provided with and surround the spring zone.Preferably, the power from the vibration damping quality to shock-absorbing spring is delivered at least one running status and carries out at the spring intra-zone.
Suggestion in addition, shock absorber casing has the quality spigot surface, and said quality spigot surface leads to said vibration damping quality on the spring direction at least one running status." quality spigot surface " especially is to be understood that a face into shock absorber casing, and this face is set for the power perpendicular to the spring direction is applied to vibration damping qualitatively.Term " guiding " especially be to be understood that into, but the quality spigot surface is set on the spring direction rectilinear motion ground supporting vibration damping quality.Advantageously, spring spigot surface and especially quality spigot surface are coated with the mode of reducing friction.Quality spigot surface through shock absorber casing can be realized few number of components simple in structurely.
Suggestion in addition, said spring spigot surface and said quality spigot surface are at least partially disposed on the zone that constitutes integratedly of said shock absorber casing, can save structure consumes and parts thus." zone that constitutes integratedly " especially is to be understood that to be a zone, and this zone is processed by workpiece and/or advantageously is injected on the piece.Preferably, the interconnective sealedly zone of material also constitutes integratedly." be arranged on the zone " especially be to be understood that into, spring spigot surface and quality spigot surface form this regional outer surface respectively.
Also suggestion, said spring spigot surface and said quality spigot surface are overlapping at least in part, can realize low especially structure space demand thus.Term " overlapping " especially be to be understood that into, a face is used as the quality spigot surface as the spring spigot surface and in second especially different with first running status running status in first running status.
Advise that in a kind of favourable structural scheme of the present invention said shock absorber casing has at least one spring supporting surface, said spring supporting surface is made up of at least one convexity." convexity " especially is to be understood that to be a step, and this step advantageously is connected on the spring spigot surface.Particularly preferably, this convexity is between spring spigot surface and quality spigot surface.Preferably, the spring supporting surface has 45 ° of minimums, minimum 60 ° angle advantageously with respect to the quality spigot surface.Can be implemented in the connection of the special rigidity between shock-absorbing spring and the housing through the spring supporting surface simple in structurely.
Advise that in another kind of design the vibration damping quality is configured to H shape." be configured to H shape " and especially be to be understood that into, look sideways from least one, the vibration damping quality forms perspective plane with shape of H shape.Advantageously, the vibration damping quality has at least one mirror shaft.Advantageous particularly ground, vibration damping quality have four forming sections, and these forming sections extend from the gross of vibration damping quality perpendicular to mirror shaft to be opened.Vibration damping quality through H shape can realize especially little structure space demand.
Suggestion in addition, vibration dampeners has at least two shock-absorbing springs, can especially realize king-sized vibration damping through low friction and high centrifugal force speed thus.
The present invention relates to a kind of hand held power machine in addition with hand-held machine tool device; Wherein, Can expect that the technical staff thinks significant all hand held power machines, especially percussive drill, quartering hammer, hammer drill, jump bit, percussion drill formula driver and/or advantageously hammer drill and/or chiso-mallet and hand-held machine tool device work can provide the hand held power machine that can especially cosily use thus.
Description of drawings
Other advantage is provided by following description of drawings.Two embodiment of the present invention shown in the drawings.Accompanying drawing, specification and claims contain the number of characteristics combination.The technical staff can consider these characteristics aptly separately and form significant other combination.It illustrates:
Fig. 1 illustrates the hand held power machine that has by hand-held machine tool device of the present invention, and this hand-held machine tool device has vibration dampeners,
Fig. 2 illustrates the vertical view of hand-held machine tool device of the vibration damping quality with H shape of Fig. 1,
Fig. 3 illustrates the side view of the hand-held machine tool device of Fig. 1,
Fig. 4 illustrates the part section (A-A) in the front view of hand-held machine tool device of Fig. 1,
Fig. 5 is illustrated in the vertical view of the hand-held machine tool device of the Fig. 1 in the running status that squints out,
Fig. 6 is illustrated in the side view of the hand-held machine tool device of the Fig. 1 in the running status that squints out,
Fig. 7 illustrate by the partial top view of the conversion embodiment of the hand-held machine tool device in the spring zone that has fully an encapsulation of the present invention and
Fig. 8 illustrates the part section (B-B) in the front view of hand-held machine tool device of Fig. 7.
The specific embodiment
Fig. 1 illustrates a kind of hand held power machine 36a that is configured to hammer drill and chiso-mallet.This hand held power machine 36a has by hand-held machine tool device 10a of the present invention, plug-in mounting cutter holder 38a, machine hand tool housing 40a and Top carry handle 42a.Plug-in mounting cutter holder 38a can impact ground and driven rotatably on main operative orientation 44a.Top carry handle is arranged on the end that deviates from plug-in mounting cutter holder 38a on the main operative orientation 44a and with machine hand tool housing 40a, being connected of hand held power machine 36a.Hand-held machine tool device 10a is arranged between plug-in mounting cutter holder 38a and the Top carry handle 42a.Exactly, hand-held machine tool device 10a is arranged in the zone of the beater mechanism that is not shown specifically of hand held power machine 36a.
Shown in Fig. 2 to 6, hand-held machine tool device 10a has a vibration dampeners 12a, and it has vibration damping quality 14a, shock absorber casing 16a and two shock-absorbing spring 18a, 20a.Vibration damping quality 14a is configured to (Fig. 2) of H shape.Shock-absorbing spring 18a is separately positioned between two forming section 46a of vibration damping quality 14a.Forming section 46a is formed into being arranged essentially parallel on the side that spring direction 22a extends of gross 48a of vibration damping quality 14a.Forming section 46a is configured to square in addition.
As vibration damping quality 14a during along main operative orientation 44a skew, shock-absorbing spring 18a, 20a see at a main operative orientation 44a in edge and on preceding side, support vibration damping quality 14a (Fig. 5 and Fig. 6).As vibration damping quality 14a during against main operative orientation 44a skew, shock-absorbing spring 18a, 20a a main operative orientation 44a in edge see after side on support vibration damping quality 14a.At this, it is directed that main operative orientation 44a is parallel to spring direction 22a.Therefore, shock-absorbing spring 18a, 20a support vibration damping quality 14a at two on opposed side on the spring direction 22a in two different operation states.
Cause hand held power machine 36a against main operative orientation 44a, when promptly being parallel to spring direction 22a acceleration when cutting, vibration damping quality 14a compression shock-absorbing spring 18a, 20a through process, especially cutter.Vibration damping quality 14a pretension shock-absorbing spring 18a, 20a.At this, the part of the kinergety of hand held power machine 36a is delivered on the shock absorber casing 16a through machine hand tool housing 40a.Shock absorber casing 16a with this componental movement energy be delivered to shock-absorbing spring 18a, 20a is last.Because vibration damping quality 14a is bearing among the shock absorber casing 16a movingly, so vibration damping quality 14a keeps not quickening.Shock-absorbing spring 18a, 20a are sunk and are stored this componental movement energy as spring energy.
Shock-absorbing spring 18a, 20a export to vibration damping quality 14a through the side against main operative orientation 44a again with this energy, and its mode is that they make vibration damping quality 14a quicken against main operative orientation 44a.When shock-absorbing spring 18a, 20a unloaded again, the acceleration energy that before is stored among shock-absorbing spring 18a, the 20a almost completely was stored in the motion against main operative orientation 44a of vibration damping quality 14a.Next shock-absorbing spring 18a, 20a slow down vibration damping quality 14a, and its mode is that they affact a power on the vibration damping quality 14a along main operative orientation 44a through a side along main operative orientation 44a.In the frequency range of confirming of process, at this time point the acceleration next time against main operative orientation 44a appears.Reduce the acceleration of hand held power machine 36a thus against main operative orientation 44a.The vibration of hand held power machine 36a reduces thus.When hand held power machine 36a did not work, shock-absorbing spring 18a, 20a were unloaded basically.
Vibration damping quality 14a and shock-absorbing spring 18a, 20a form a vibratile system together.Vibration damping quality 14a is vibrated by the motion-activated of machine hand tool housing 40a.This system causes the power of the vibration adverse effect of some and machine hand tool housing 40a in the frequency range that presets.For this reason, vibration damping quality 14a vibrates with about 180 ° phase shift with respect to machine hand tool housing 40a.For the power transmission, shock absorber casing 16a and machine hand tool housing 40a part constitute integratedly and with machine hand tool housing 40a partial fixing screw.At this, the segmentation that is not shown specifically of shock absorber casing 16a on the technical staff thinks significant position, but preferably extend perpendicular to spring direction 22a at least in part.
Shock absorber casing 16a has two spring spigot surface 24a.Spring spigot surface 24a is the face of shock absorber casing 16a, and two tubular spring zone 26a of these faces and vibration dampeners 12a have a common boundary.In addition, spring spigot surface 24a is parallel to spring direction 22a orientation.Spring spigot surface 24a has a coating of reducing friction that is not shown specifically.One of among the spring spigot surface 24a each run duration on spring direction 22a to each guiding among shock-absorbing spring 18a, the 20a.Shock-absorbing spring 18a, 20a are arranged in the state of running ready among the 26a of spring zone.Spring spigot surface 24a in a plane directed perpendicular to spring direction 22a with about 315 ° surround among shock-absorbing spring 18a, the 20a each one.
Vibration damping quality 14a and shock absorber casing 16a surround spring zone 26a to surpass 270 ° respectively together in the running status that squints out.In the running status that does not squint out, vibration damping quality 14a and shock absorber casing 16a fully surround spring zone 26a, and promptly spring zone 26a is packed with respect to dirt.
Two of among the forming section 46a of vibration damping quality 14a each extend in the running status that squints out among one of two spring zone 26a.For this reason, shock absorber casing 16a has two perforation 50a between a chamber 52a and spring zone 26a, and the gross 48a of vibration damping quality 14a can move in this chamber.Perforation 50a substantial rectangular ground constitutes.The mask that is parallel to spring direction 22a extension of perforation 50a has quality spigot surface 28a.Quality spigot surface 28a leads to vibration damping quality 14a on spring direction 22a at run duration.
Other quality spigot surface 28a is made up of a zone of the outer surface that the tubular spring zone 26a with vibration dampeners 12a has a common boundary.Quality spigot surface 28a this be arranged on spring zone 26a on the side of gross 48a.In these zones, spring spigot surface 24a and quality spigot surface 28a are overlapping.In addition, spring spigot surface 24a and quality spigot surface 28a are arranged in this zone and in other zone on the zone that constitutes integratedly of shock absorber casing 16a.
Shock absorber casing 16a has four spring supporting surface 30a, and these spring supporting surfaces are made up of four protruding 32a, 34a.Two that are arranged on to protruding 32a, 34a and spring spigot surface 24a boundary spring spigot surface 24a on the side that is provided with on the spring direction 22a.They extend perpendicular to spring direction 22a.Protruding 32a, 34a are connected spring spigot surface 24a with quality spigot surface 28a.
In an alternative embodiment of the invention shown in Fig. 7 and 8.In order to distinguish these embodiment, the alphabetical a in the Reference numeral of the embodiment among Fig. 1 to 6 replaces through the alphabetical b in the Reference numeral of the embodiment in Fig. 7 and 8.Following description is limited to the difference between these embodiment basically, and wherein, the parts that just remain unchanged, characteristic and function can be with reference to the descriptions of the embodiment in Fig. 1 to 6.
Fig. 7 illustrates the partial top view of the hand-held machine tool device 10b with at least one vibration dampeners 12b.This partial top view is cut open along the symmetrical plane that is not shown specifically.Vibration dampeners 12b has vibration damping quality 14b, shock absorber casing 16b and two shock-absorbing spring 18b, 20b.Shock-absorbing spring 18b, 20b at two along supporting vibration damping quality 14b on the opposed side of spring direction 22b.Shock absorber casing 16b is that each shock-absorbing spring 18b, 20b have each spring spigot surface 24b, and the spring spigot surface leads to shock-absorbing spring 18b, 20b on spring direction 22b at run duration.
Spring spigot surface 24b fully surrounds shock-absorbing spring 18b, 20b on all planes directed perpendicular to spring direction 22b and that intersect with shock-absorbing spring 18b.Shock absorber casing 16b have two a chamber 52b and vibration dampeners 12b to the perforation 50b between each spring zone 26b of one of each shock-absorbing spring 18b, the gross 48b of vibration damping quality 14b can move in this chamber.Perforation 50b has the cross section perpendicular to spring direction 22b, and this cross section constitutes (Fig. 8) basically elliptically.The quality spigot surface 28b of shock absorber casing 16b is configured to be arranged on the sidewall among the perforation 50b.Other quality spigot surface 28b and spring spigot surface 24b are overlapping.
Vibration damping quality 14b has square basically gross 48b and four L shaped forming section 46b.Forming section 46b be formed in gross 48b on the side of shock-absorbing spring 18b.Exactly, they externally are formed on the side 56b along spring direction 22b.Forming section 46b passes the perforation 54b of shock absorber casing 16b on spring direction 22b.At this, forming section 46b fills up perforation 54b fully on a plane directed perpendicular to spring direction 22b.Can cancel the casing member that is used to prevent dirt thus.Lubricant is protected on spigot surface 24b, the last advantageous particularly of 28b ground.Vibration damping quality 14b shock-absorbing spring 18b be supported on forming section 46b on the end of gross 48b, this end is directed perpendicular to spring direction 22b.

Claims (10)

  1. Hand-held machine tool device, in particular for the hand-held machine tool device of hammer drill and/or chiso-mallet, it has at least one vibration dampeners (12a; 12b), said vibration dampeners has at least one vibration damping quality (14a; 14b), shock absorber casing (16a; 16b) with at least one shock-absorbing spring (18a, 20a; 18b, 20b), wherein, said shock-absorbing spring (18a, 20a; 18b 20b) is set at two at spring direction (22a; 22b) go up the said vibration damping quality (14a of support on the opposed side; 14b), it is characterized in that said shock absorber casing (16a; 16b) has at least one spring spigot surface (24a; 24b), said spring spigot surface at least one running status at spring direction (22a; 22b) go up said shock-absorbing spring (18a, 20a; 18b, 20b) guiding.
  2. 2. according to the hand-held machine tool device of claim 1, it is characterized in that said spring spigot surface (24a; 24b) at one perpendicular to said spring direction (22a; Surround said shock-absorbing spring (18a, 20a to surpass 45 ° on plane 22b); 18b, 20b).
  3. 3. according to the hand-held machine tool device of claim 1 or 2, it is characterized in that said vibration damping quality (14a; 14b) with said shock absorber casing (16a; 16b) surround a spring zone (26a to surpass 270 ° together; 26b).
  4. 4. according to the hand-held machine tool device of one of above claim, it is characterized in that said shock absorber casing (16a; 16b) has quality spigot surface (28a; 28b), said quality spigot surface at least one running status at spring direction (22a; 22b) go up said vibration damping quality (14a; 14b) guiding.
  5. 5. according to the hand-held machine tool device of claim 4, it is characterized in that said spring spigot surface (24a; 24b) with said quality spigot surface (28a; 28b) be at least partially disposed on said shock absorber casing (16a; On the zone that constitutes integratedly 16b).
  6. 6. at least according to the hand-held machine tool device of claim 4, it is characterized in that said spring spigot surface (24a; 24b) with said quality spigot surface (28a; 28b) overlapping at least in part.
  7. 7. at least according to the hand-held machine tool device of claim 4, it is characterized in that said shock absorber casing (16a; 16b) has at least one spring supporting surface (30a; 30b), said spring supporting surface is by at least one convexity (32a, 34a; 32b) constitute.
  8. 8. according to the hand-held machine tool device of one of above claim, it is characterized in that said vibration damping quality (14a; 14b) be configured to H shape.
  9. 9. according to the hand-held machine tool device of one of above claim, it is characterized in that said vibration dampeners (12a; 12b) have at least two shock-absorbing springs (18a, 20a; 18b, 20b).
  10. 10. hand held power machine, especially hammer drill and/or chiso-mallet, it has the hand-held machine tool device (10a according to one of above claim; 10b).
CN201080057230.1A 2009-12-16 2010-10-18 Hand-held machine tool device Expired - Fee Related CN102666028B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009054708.8 2009-12-16
DE102009054708A DE102009054708A1 (en) 2009-12-16 2009-12-16 Hand machine tool device
PCT/EP2010/065623 WO2011072910A1 (en) 2009-12-16 2010-10-18 Handheld machine tool device

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Publication Number Publication Date
CN102666028A true CN102666028A (en) 2012-09-12
CN102666028B CN102666028B (en) 2016-04-13

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CN201080057230.1A Expired - Fee Related CN102666028B (en) 2009-12-16 2010-10-18 Hand-held machine tool device

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EP (1) EP2512749B1 (en)
CN (1) CN102666028B (en)
DE (1) DE102009054708A1 (en)
RU (1) RU2012129830A (en)
WO (1) WO2011072910A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1845825A (en) * 1927-07-22 1932-02-16 Chicago Pneumatic Tool Co Spring handle attachment for rock drills
US3845827A (en) * 1971-08-05 1974-11-05 Stihl Maschf Andreas Portable implement,especially motor chain saw
EP1415768A1 (en) * 2002-10-31 2004-05-06 Atlas Copco Electric Tools GmbH Oscillation damper
CN101235870A (en) * 2007-01-31 2008-08-06 希尔蒂股份公司 Oscillation damper for a hand-held power tool
EP2047952A1 (en) * 2007-10-09 2009-04-15 HILTI Aktiengesellschaft Handtool machine with vibration balancing mass

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000056A1 (en) * 2007-01-31 2008-09-18 Hilti Aktiengesellschaft Vibration damper for hand tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1845825A (en) * 1927-07-22 1932-02-16 Chicago Pneumatic Tool Co Spring handle attachment for rock drills
US3845827A (en) * 1971-08-05 1974-11-05 Stihl Maschf Andreas Portable implement,especially motor chain saw
EP1415768A1 (en) * 2002-10-31 2004-05-06 Atlas Copco Electric Tools GmbH Oscillation damper
CN101235870A (en) * 2007-01-31 2008-08-06 希尔蒂股份公司 Oscillation damper for a hand-held power tool
EP2047952A1 (en) * 2007-10-09 2009-04-15 HILTI Aktiengesellschaft Handtool machine with vibration balancing mass

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WO2011072910A1 (en) 2011-06-23
EP2512749A1 (en) 2012-10-24
CN102666028B (en) 2016-04-13
DE102009054708A1 (en) 2011-06-22
RU2012129830A (en) 2014-01-27
EP2512749B1 (en) 2020-02-05

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