EP2007555B1 - Machine outil a main avec poignee avec amortissement des vibrations - Google Patents
Machine outil a main avec poignee avec amortissement des vibrations Download PDFInfo
- Publication number
- EP2007555B1 EP2007555B1 EP07704468A EP07704468A EP2007555B1 EP 2007555 B1 EP2007555 B1 EP 2007555B1 EP 07704468 A EP07704468 A EP 07704468A EP 07704468 A EP07704468 A EP 07704468A EP 2007555 B1 EP2007555 B1 EP 2007555B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- power tool
- portable power
- legs
- housing
- 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
Links
- 238000013016 damping Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B25D17/04—Handles; Handle mountings
- B25D17/043—Handles resiliently mounted relative to the hammer housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/085—Elastic behaviour of tool components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/371—Use of springs
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32631—Universal ball and socket
Definitions
- the invention relates to a hand tool with vibration-damped handle according to the preamble of claim 1 and a hand tool with vibration-damped handle according to the preamble of claim 3.
- hand tool machines are from the DE 101 36 015 A known.
- a hand tool with vibration-damped handle known which has two approximately parallel to the longitudinal direction of the power tool running leg and is resiliently coupled to the machine housing.
- On each of the two legs of the handle a substantially perpendicular to the longitudinal direction aligned lever is hinged with one of its two ends, with their other ends are hinged to one, lying between the two legs of the handle hinge region of the machine housing.
- the invention relates to a hand tool machine with vibration-damped handle according to claim 1, which has two legs extending in the longitudinal direction of the power tool and is movably coupled to the machine housing, wherein at least one transverse to the longitudinal direction of the lever is articulated at a pivot point on each of the two legs and wherein the levers are articulated to a hinge region located between the two legs of the handle.
- extending in the longitudinal direction are also understood orientations which include an angle to a longitudinal direction, preferably an angle of less than 30 ° and particularly preferably less than 20 °.
- aligned transversely to the longitudinal direction is to be understood in particular also an orientation that includes an angle not equal to 90 ° to a longitudinal direction of the power tool, such as preferably an angle between 110 ° and 70 ° and more preferably between 80 ° and 100 °.
- Each lever has between the hinge region and the respective pivot point on a bearing point, wherein the levers are connected only via one of the bearing points with the housing and wherein the handle supported on the housing with spring force is.
- the handle receives a linear guide, which is inexpensive and low-friction. It also results in a very compact design. Thereby, that the levers are only connected via a respective bearing point with the housing or with the handle, there is a very strong decoupling of the handle against vibrations of the machine housing.
- the handle with the lever construction gets a fairly high stability. By adding a springy element, an effective vibration damping is achieved. The user is protected against harmful and / or disturbing vibrations.
- the handling of the power tool is facilitated.
- the handle By means of a support of the handle via a spring force, the handle is largely frictionless and can perform a longitudinal movement in the direction of a main direction of vibration of a power tool.
- one, two or more spring elements can be provided, which can be formed both passively as conventional springs or actively in the form of suitable actuators.
- the hand tool is preferably a power tool, in particular a hammer drill, chisel hammer and the like.
- a sidelined aspect of the invention is based on a hand tool with vibration-damped handle according to claim 3, which has two longitudinally extending the hand tool leg and which is movably coupled to the machine housing, wherein two pins are provided on the housing, and on each of the two pins at least one transverse to the longitudinal direction lever is articulated at a pivot point and wherein the lever are hinged to a lying between the two legs of the handle joint area.
- Each lever has between the hinge region and the respective pivot point on a grip side arranged bearing point. Again, results in a very compact design. Furthermore, the levers on the handle are supported by spring force.
- the two levers can merge into one another in one piece.
- the joint area between the legs may be formed in this embodiment as an elastic connecting tongue. Appropriately, then allows at least one of the bearing points a length compensation.
- a further advantageous embodiment for vibration damping of the handle is that between the handle and the machine housing one or more electrically controllable or controllable actuators are arranged, which damp a vibration of the handle that they Counteract a force or movement resulting from the vibration of the machine housing.
- FIG. 1 shows a section of a graphically not further executed hand tool with vibration-damped handle 10, which has two extending longitudinally 48 of the power tool leg 12, 14 and is resiliently coupled to the housing 28.
- a transverse, here substantially perpendicular, aligned to the longitudinal direction 48 of the power tool lever 20 is hinged with one of its two ends to a pivot point 16 and with its other end to a lying between the legs 12 and 14 of the handle 10 joint area 50 hinged.
- a similar lever 22 is articulated at one end to a pivot point 18 and hinged at the other end also in the hinge portion 50.
- the levers 20, 22 engage through unspecified openings in the housing 28 to the pivot points 16 and 18 on the legs 12 and 14, respectively.
- an asymmetrical design is also conceivable, for example with legs and / or levers of different lengths, so that, in particular, a handle movement differing from a longitudinally oriented handle movement can be achieved, which can be oriented in particular to specific directions of vibration.
- a fork 30 is formed at the end of the one lever 22, in which engages a ball-shaped body 32 formed as an end of the other lever 20 and movable therein, in particular height-displaceable and tiltable, is held.
- Each leg 12 and 14 has between the hinge portion 50 and the respective pivot point 16 and 18, a housing-side bearing point 24 and 26, via which the respective lever 20, 22 is connected to the housing 28 and the lever 20 and 22 is each pivotable.
- a housing-fixed pivot engages in a bore of the lever 20 and 22, respectively.
- corresponding recesses 52, 54 are provided as free spaces in the housing 28. In principle, a reverse arrangement would be conceivable.
- the resilient coupling of the handle 10 with the housing 28 is achieved by the handle 10 is supported on parallel to the longitudinal direction 48, preferably designed as compression springs spring elements 34 and 36 with its respective legs 12, 14 on the housing 28, wherein the legs 12, 14 immersed in corresponding channel-like, unspecified guides in the housing.
- the spring elements 34, 36 hold the handle 10 in its rear, device distant position (in the figure on the right). If a hand force exerted on the handle 10, this moves in the direction of the housing 28 until the manual force and the spring force of the spring elements 34, 36 compensate each other. The handle 10 is thus vibration isolated from the housing 28th
- FIG. 2 shows, a function of the fork 30 of the device in FIG. 1 be improved in terms of their wear resistance by the spherical body 32 is pivotally mounted on a arranged in the fork 30 sliding block 38 about a pivot point 33.
- the sliding block 38 allows a low-wear up and down movement of the spherical body 32 in the fork 30th
- FIG. 3 A variant of the invention is made FIG. 3 seen. With regard to the same features and functions of unspecified elements, the description of the embodiment in the Figures 1 and 2 to get expelled. To distinguish the exemplary embodiments, additional letters are attached to some reference numerals for the elements in question.
- Two levers 20a, 22a articulated on legs 12, 14 of the handle 10 are integrally formed and connected to each other via an elastic connecting tongue 56 in the hinge region 50.
- the two mutually facing ends of the levers 20a, 22a are articulated on the elastic joint of the connecting tongue 56, which replaces the forked connection of the preceding embodiments.
- Their respective bearing points 24a, 26a are again as in the embodiment in FIG. 1 arranged on the housing side, wherein at least one bearing point 24a allows longitudinal compensation by a slot in the lever 20a is formed, in which engages the housing-fixed pivot.
- FIG. 4 illustrates a variant in which the levers 20b, 22b are arranged with a hinge connection in the hinge region 50 between legs 12, 14 of a handle 10 within the handle 10.
- the bearing points 24b, 26b are now arranged on the handle side in the handle 10, and the levers 20b and 22b are supported by spring force via preferably designed as compression springs spring elements 40 and 42 on the handle 10.
- the fork-distal or the spherical body 32 distal end of the lever 20b, 22b is articulated to a pin 44 and 46, respectively.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Claims (9)
- Machine-outil à main avec poignée (10) avec amortissement des vibrations, qui présente deux branches (12, 14) orientées dans la direction longitudinale (48) de la machine-outil à main et qui est accouplée de manière mobile avec son boîtier (28), au moins un levier (20, 22 ; 20a, 22a) orienté transversalement à la direction longitudinale (48) étant articulé à chacune des deux branches (12, 14) en un point d'articulation (16, 18), et les leviers (20, 22 ; 20a, 22a) étant articulés au niveau d'une région d'articulation (50) située entre les deux branches (12, 14) de la poignée (10),
caractérisée en ce que chaque levier (20, 22 ; 20a, 22a) présente, entre la région d'articulation (50) et le point d'articulation respectif (16, 18), un point de palier (24, 26 ; 24a, 26a), les leviers (20, 22 ; 20a, 22a) n'étant connectés au boîtier (28) que par le biais de l'un respectif des points de palier (24, 26 ; 24a, 26a) et la poignée (10) étant supportée sur le boîtier (28) par une force de ressort. - Machine-outil à main selon la revendication 1,
caractérisée en ce que le point de palier (24, 26 ; 24a, 26a) est disposé du côté du boîtier. - Machine-outil à main avec poignée (10) avec amortissement des vibrations, qui présente deux branches (12, 14) orientées dans la direction longitudinale (48) de la machine-outil à main et qui est accouplée de manière mobile avec son boîtier (28),
caractérisée en ce que deux tourillons (44, 46) sont prévus sur le boîtier (28), en ce que sur chacun des deux tourillons (44, 46) est articulé au moins un levier (20b, 22b) s'étendant transversalement à la direction longitudinale (48), au niveau d'un point d'articulation (16a, 18a), en ce que les leviers (20b, 22b) sont articulés au niveau d'une région d'articulation (50) située entre les deux branches (12, 14) de la poignée (10), et en ce que chaque levier (20b, 22b) présente entre la région d'articulation (50) et le point d'articulation respectif (16a, 18a) un point de palier (24b, 26b) disposé du côté de la poignée, et en ce que les leviers (20b, 22b) sont supportés sur la poignée (10) par une force de ressort. - Machine-outil à main selon la revendication 3,
caractérisée en ce que les leviers (20b, 22b) sont disposés à l'intérieur de la poignée (10). - Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que les deux leviers (20a, 22a) se prolongent d'une seule pièce l'un dans l'autre.
- Machine-outil à main selon la revendication 5,
caractérisée en ce que la région d'articulation (50) est réalisée sous forme de langue de connexion élastique (56). - Machine-outil à main selon la revendication 5 ou 6, caractérisée en ce qu'au moins l'un des points de palier (24a) permet une compensation de longueur.
- Machine-outil à main selon au moins l'une quelconque des revendications 1 à 4, caractérisée en ce que les deux branches (12, 14) de la poignée (10) sont articulées dans la région d'articulation (50) par le biais d'une fourche (30) et d'un corps bombé (32).
- Machine-outil à main selon la revendication 8, caractérisée en ce qu'entre la fourche (30) et le corps bombé (32) est disposé un coulisseau (38).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006016442A DE102006016442A1 (de) | 2006-04-07 | 2006-04-07 | Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff |
PCT/EP2007/051250 WO2007115845A1 (fr) | 2006-04-07 | 2007-02-09 | Machine outil a main avec poignee avec amortissement des vibrations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2007555A1 EP2007555A1 (fr) | 2008-12-31 |
EP2007555B1 true EP2007555B1 (fr) | 2011-09-28 |
Family
ID=37890466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07704468A Active EP2007555B1 (fr) | 2006-04-07 | 2007-02-09 | Machine outil a main avec poignee avec amortissement des vibrations |
Country Status (6)
Country | Link |
---|---|
US (1) | US7921935B2 (fr) |
EP (1) | EP2007555B1 (fr) |
JP (1) | JP4718633B2 (fr) |
CN (1) | CN101415526B (fr) |
DE (1) | DE102006016442A1 (fr) |
WO (1) | WO2007115845A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006051924A1 (de) * | 2006-11-03 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften, mit einem Schalter versehenen Handgriff |
DE102006052807A1 (de) * | 2006-11-09 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften Bügelhandgriff |
DE102007030703A1 (de) * | 2007-07-02 | 2009-01-08 | Robert Bosch Gmbh | Elastische Verbindung zwischen Gehäuseteilen motorisch angetriebener Werkzeugmaschinen |
GB2451293A (en) * | 2007-07-27 | 2009-01-28 | Black & Decker Inc | Hammer drill with slidably mounted handle |
JP5180697B2 (ja) * | 2008-06-19 | 2013-04-10 | 株式会社マキタ | 手持式作業工具 |
US20090321101A1 (en) * | 2008-06-26 | 2009-12-31 | Makita Corporation | Power tool |
DE102009002463A1 (de) * | 2009-04-17 | 2010-10-21 | Hilti Aktiengesellschaft | Seitenhandgriff |
JP5395531B2 (ja) * | 2009-06-19 | 2014-01-22 | 株式会社マキタ | 作業工具 |
GB201112833D0 (en) * | 2011-07-26 | 2011-09-07 | Black & Decker Inc | A hammer drill |
GB201112825D0 (en) * | 2011-07-26 | 2011-09-07 | Black & Decker Inc | A hammer drill |
US9010452B2 (en) * | 2011-10-13 | 2015-04-21 | Susan J. Williamson | Vibration dampening system for a handle of a machine that vibrates, and method of dampening vibrations produced by a machine |
EP3636389A1 (fr) | 2012-02-03 | 2020-04-15 | Milwaukee Electric Tool Corporation | Marteau rotatif |
US9849577B2 (en) | 2012-02-03 | 2017-12-26 | Milwaukee Electric Tool Corporation | Rotary hammer |
DE102012103587A1 (de) * | 2012-04-24 | 2013-10-24 | C. & E. Fein Gmbh | Handführbare Werkzeugmaschine mit Außengehäuse |
US20140262402A1 (en) * | 2013-03-14 | 2014-09-18 | Robert Bosch Gmbh | Power Hand Tool with Vibration Isolation |
JP6070945B2 (ja) * | 2013-05-28 | 2017-02-01 | 日立工機株式会社 | 携帯型作業機 |
JP2015089593A (ja) * | 2013-11-05 | 2015-05-11 | 株式会社マキタ | 作業工具 |
JP6703417B2 (ja) * | 2016-02-19 | 2020-06-03 | 株式会社マキタ | 作業工具 |
DE102017202371A1 (de) * | 2017-02-15 | 2018-08-16 | Robert Bosch Gmbh | Handwerkzeugmaschine |
US10131049B1 (en) * | 2017-05-24 | 2018-11-20 | Steven M. Oas | Double wide shock-absorbing handle for tools |
CN107756339A (zh) * | 2017-11-16 | 2018-03-06 | 陈君敏 | 带减震功能的电锤 |
CN108326803A (zh) * | 2017-12-30 | 2018-07-27 | 天津市九方煤矿机械制造有限公司 | 一种手持式凿岩机 |
JP2022119301A (ja) * | 2021-02-04 | 2022-08-17 | 株式会社マキタ | 打撃工具 |
JP2022128006A (ja) * | 2021-02-22 | 2022-09-01 | 株式会社マキタ | 打撃工具 |
CN113062947B (zh) * | 2021-04-01 | 2023-04-18 | 南京理工大学 | 一种杠杆式隔振器 |
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DE10136015A1 (de) | 2001-07-24 | 2003-02-13 | Bosch Gmbh Robert | Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff |
US6789294B2 (en) * | 2002-01-08 | 2004-09-14 | Cool Options, Inc. | Self-fastening handle assembly |
US7008135B2 (en) * | 2002-01-31 | 2006-03-07 | Guide Corporation | Stamped ball socket |
DE10322265A1 (de) * | 2003-05-16 | 2004-12-09 | Stabilus Gmbh | Kugelgelenkverbindung |
US7100703B2 (en) * | 2004-08-03 | 2006-09-05 | Etter John D | Golf green roller apparatus |
DE102005007547A1 (de) * | 2005-02-18 | 2006-08-31 | Robert Bosch Gmbh | Handwerkzeugmaschine |
GB2431610A (en) * | 2006-03-03 | 2007-05-02 | Black & Decker Inc | Handle Damping System |
DE102006021307A1 (de) * | 2006-05-08 | 2007-11-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften Handgriff |
DE102006051924A1 (de) * | 2006-11-03 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften, mit einem Schalter versehenen Handgriff |
DE102006052807A1 (de) * | 2006-11-09 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften Bügelhandgriff |
-
2006
- 2006-04-07 DE DE102006016442A patent/DE102006016442A1/de not_active Withdrawn
-
2007
- 2007-02-09 EP EP07704468A patent/EP2007555B1/fr active Active
- 2007-02-09 JP JP2009503504A patent/JP4718633B2/ja active Active
- 2007-02-09 CN CN200780012567.9A patent/CN101415526B/zh active Active
- 2007-02-09 WO PCT/EP2007/051250 patent/WO2007115845A1/fr active Application Filing
- 2007-02-09 US US11/916,572 patent/US7921935B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009532218A (ja) | 2009-09-10 |
JP4718633B2 (ja) | 2011-07-06 |
US7921935B2 (en) | 2011-04-12 |
WO2007115845A1 (fr) | 2007-10-18 |
CN101415526B (zh) | 2010-09-01 |
EP2007555A1 (fr) | 2008-12-31 |
US20100025062A1 (en) | 2010-02-04 |
CN101415526A (zh) | 2009-04-22 |
DE102006016442A1 (de) | 2007-10-11 |
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