CN1776257A - Eccentric device - Google Patents
Eccentric device Download PDFInfo
- Publication number
- CN1776257A CN1776257A CN200510127130.2A CN200510127130A CN1776257A CN 1776257 A CN1776257 A CN 1776257A CN 200510127130 A CN200510127130 A CN 200510127130A CN 1776257 A CN1776257 A CN 1776257A
- Authority
- CN
- China
- Prior art keywords
- eccentric
- motor
- oscillatory movement
- eccentricity
- degree
- 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.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 35
- 230000003534 oscillatory effect Effects 0.000 claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000001276 controlling effect Effects 0.000 claims description 18
- 238000003801 milling Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001131 transforming effect Effects 0.000 abstract 1
- 244000137852 Petrea volubilis Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000008844 regulatory mechanism Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/40—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and oscillating motion
- F16H21/42—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and oscillating motion with adjustable throw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to an eccentric device, which is used for transforming a rotary motion (10) of a motor (52) on a hand-held tool machine (12) into an oscillatory motion (14) of a tool component (16), more particularly into the oscillatory motion of a grinding board of a grinding machine. The invention provides a governor mechanism (18) used for adjusting eccentricity degree (20) of the oscillatory motion (14), and further relates to the hand-held tool machine provided with the eccentric device.
Description
Technical field
The present invention relates to a kind of eccentric, it is provided for rotatablely moving of the motor of a hand-held machine tool converted to the oscillatory movement of tool component, especially converts the oscillatory movement of the grinding plate of a milling machine to.The invention allows for a kind of hand-held machine tool, it has an eccentric.
Background technique
Proposed to give a kind of hand-held machine tool to equip a kind of eccentric, this eccentric is suitable for rotatablely moving of the motor of hand-held machine tool converted to the oscillatory movement of tool component.Especially milling machine generally includes such eccentric, the rotatablely moving of the motor of the grinding plate of this eccentric conversion milling machine.
Summary of the invention
The present invention proposes a kind of eccentric, this eccentric is provided for rotatablely moving of the motor of a hand-held machine tool converted to the oscillatory movement of tool component, especially converts the oscillatory movement of the grinding plate of milling machine to.
The present invention proposes, and is provided with a controlling mechanism, the degree of eccentricity that is used for regulating oscillatory movement.Can realize thus: the degree of eccentricity can advantageously use regional specific condition to be complementary with the current of material hand-held machine tool and/or to be processed.Especially in having the milling machine of removable grinding layer, can realize the degree of eccentricity and the selection that grinding layer carried out is complementary.
The invention allows for a kind of hand-held machine tool, it has an eccentric, this eccentric is provided for rotatablely moving of motor converted to the oscillatory movement of tool component, especially convert the oscillatory movement of the grinding plate of milling machine to, wherein, be provided with a controlling mechanism, the degree of eccentricity that is used for regulating this oscillatory movement.
For " setting ", under this meaning, also be interpreted as " design " or " equipment ".Under this meaning, the general motion cycle or quasi-periodic motion, especially an eccentric annular trace on elliptical orbit also should be called oscillatory movement.Except that of the present invention these carry out the configuration of manual coupling of the degree of eccentricity therein, also can consider some configurations like this, in these configurations, hand-held machine tool uses controlling mechanism to come for example automatically to mate the degree of eccentricity according to sensor signal.
Eccentric comprises that at least one has the eccentric unit at the supporting position of at least two off-centre, thus, can obtain a durable especially eccentric.The supporting position of these off-centre is a feature with the rotation axis that extends in parallel particularly advantageously at this.This controlling mechanism is provided for being adjusted in two relative phase places between the eccentric unit that can be supported rotationally around a supporting position, thus, can obtain advantageously continuously and/or in a wide scope adjustable eccentric, can make this eccentric durable and inexpensively simultaneously.
Eccentric has at least one stop member that is used for limiting the regulation range of a phase place, and thus, the unallowed and/or dangerous adjusting of eccentric can structurally be avoided simply.
This controlling mechanism is provided for changing the sense of rotation of motor, thus, can realize the reliable conversion between at least two basic bit-types of eccentric.
This degree of eccentricity automatically changes when sense of rotation changes, just especially according in motor force and the eccentric unit at least one inertia and automatically change, thus, can realize that comfortable especially bit-type changes.Advantageously, when the sense of rotation of motor changed, these eccentric unit reversed toward each other.
Eccentric comprises at least one eccentric unit, at this at least one eccentric unit by ventilation impeller in the moulding, thus, can avoid the bearing running hot of eccentric unit.This ventilation impeller also can be used to cool off other parts.Also can consider other configuration of the present invention in addition, in these configurations, the ventilation impeller is fixed on the eccentric unit.The impeller that for example ventilates can be plugged on the flange of eccentric unit.Also can consider like this some configurations of the present invention, in these configurations, eccentric unit and ventilation impeller be bonding, spin or rivet.
For guaranteeing that eccentric unit locatees each other or with respect to the degree of eccentricity of device definitely, the nothing of eccentric connects preferably configuration in this wise in relative rotation, and promptly these do not have to connect in relative rotation and are connected in a definite relative pivotal position only.The axle that the impeller that for example ventilates is plugged on it can depart from circular cross sectional shape by a flattening partially, and the ventilation impeller can have a corresponding shape in a center hole.
Eccentric has the balancer weight of a centrifugal force that is used for the poising tool parts, thus, and can being avoided of whole hand-held machine tool for the uncomfortable vibration of user.
At least one eccentric unit have at least one balancer weight that is provided with prejudicially and this balancer weight especially on this off-centre unit by moulding on, thus, can save some parts.
Eccentric has one and is used for guiding device that adjustment movement is led, thus, can realize that the degree of eccentricity is not had big reliable adjustment with gap.At this, such guiding device can structurally simply and inexpensively realize that by a guiding groove and a guide finger that moves this guide finger is plastic on eccentric unit in this guiding groove.
Description of drawings
From following description of drawings, can obtain other advantage.One embodiment of the present of invention shown in the drawings.Accompanying drawing, specification and other application documents comprise a plurality of assemblage characteristics.The professional workforce also can meet the destination and investigate these features one by one and be summarized as significant other combination.
Accompanying drawing is represented:
Fig. 1 has the superfine milling machine of an eccentric, and this eccentric has a controlling mechanism,
Two oblique drawings of eccentric unit in first bit-type of the eccentric of Fig. 2 Fig. 1.
Fig. 3 is along the sectional view of Fig. 2 center line III-III,
The sectional view of eccentric unit in second bit-type of Fig. 4 Fig. 2 and Fig. 3, and
The partial teardown figure of the grinding plate of the eccentric unit of Fig. 5 Fig. 1 to Fig. 4 and the superfine milling machine of Fig. 1.
Embodiment
Fig. 1 shows a hand-held machine tool 12 that is configured to superfine milling machine, and this hand-held machine tool has a housing 54 and a tool component that is configured to grinding plate 16, and varigrained sand paper can be stretched on this tool component.Be provided with a motor 52 in the housing of hand-held machine tool 12, the latter is configured to have the motor of adjustable brush plate and only is schematically shown at this.
The first eccentric unit 22 comprises a balancer weight 44, this balancer weight in axial plan view with a formal construction with circular sector section of about 90 ° of interior angles.In addition, eccentric unit 22 has a supporting position 28, and this supporting position is built on the surface that is positioned at fixed position 26 opposites as the notch of circle, and this supporting position is provided for reception and one second of rotatably support supports position 30.This second supporting position 30 is molded on the second eccentric unit 24 that is configured to plastic castings and is configured to a pin with the notch moulding complementally of described circle.
The swing axis 66 that position 30 is supported at the first supporting position 28 and second is shifted with respect to the rotation axis 64 of motor drive shaft or with respect to the axis of symmetry of fixed position 26 abreast with one first degree of eccentricity.
Except that the second supporting position 30, the second eccentric unit 24 has a semicircular guiding groove 58 at one on the side of the first eccentric unit 22, the centre point of this guiding groove is made of the swing axis 66 at the first supporting position 28 and the second supporting position 30, and this guiding groove is configured to the part to the guiding device 48 of adjustment movement 50 guiding.
Except that guiding groove 58, guiding device 48 also comprises a guide finger 60, and this guide finger is provided for being coupled in the guiding groove 58.During adjustment movement 50, the first eccentric unit 22 supports position 30 with respect to the second eccentric unit 24 around the first supporting position 28 and second and turns over 180 °, and wherein guide finger 60 slides in the guiding groove 58 of guiding device 48.During adjustment movement 50, the relative phase place 34 of eccentric unit 22,24 has changed 180 °.The end of guiding groove constitutes some stop members 36,38, guide finger 60 in the end backstop of adjustment movement 50 on these stop members.
The second eccentric unit 24 has one by the axle in the moulding on the side of the first eccentric unit 22, this axle constitutes one the 3rd supporting position 32, and this be provided for being coupled to one with ball bearing 62 that grinding plate 16 is connected in, make the second eccentric unit 24 rotationally and axial restraint ground be connected with grinding plate 16.Rotation axis 68 ball bearing 62 or the 3rd supporting position 32 is shifted with one second degree of eccentricity 40 with respect to swing axis 66.
If motor 52 motor shaft also drive the first eccentric unit 22 by this motor drive shaft on postive direction, then guide finger 60 is swung in guiding groove 58 around swing axis 66, until entering into one first bit-type (Fig. 2).By stop member 36, guide finger 60 passes to the second eccentric unit 24 with a torque from the first eccentric unit 22 then.
In first bit-type, swing axis 66 is located between the rotation axis 64 and 68 in the plane, therefore, first degree of eccentricity 56 is added on second degree of eccentricity 40, and rotation axis 64 is obtained by two degree of eccentricitys 56,40 as summation with respect to the degree of eccentricity 20 of rotation axis 68.
If motor 52 motor shaft also drive the first eccentric unit 22 by this motor drive shaft on the negative rotation veer, then guide finger 60 is swung in guiding groove 58 around swing axis 66, until entering into one second bit-type (Fig. 4).By stop member 38, guide finger 60 passes to the second eccentric unit 24 with a torque that is directed upwards towards at losing side from the first eccentric unit 22 then.
In second bit-type, rotation axis 68 is located between the rotation axis 64 and swing axis 66 in the plane, therefore, it is overlapping that second degree of eccentricity 40 and first degree of eccentricity 56 reduce ground, and the difference as two degree of eccentricitys 56 and 40 obtains the degree of eccentricity 20 of rotation axis 64 with respect to rotation axis 68, and therefore this degree of eccentricity 20 less than the degree of eccentricity in first bit-type 20.
If the user is from the direct rotational direction operating regulation mechanism 18 of motor 52, then motor 52 makes its sense of rotation commutation, and first deflection unit 22 swings in second bit-type around swing axis 66, wherein phase place 34 has changed 180 °, so controlling mechanism 18 is suitable for regulating the phase place 34 between these eccentric unit 22,24 that can be supported rotationally around supporting position 28,30.
The 3rd supporting position 32 or 68 of rotation axiss carry out the oscillatory movement 14 of an annular trace, and the latter has one by the degree of eccentricity 20 in second bit-type or by the definite radius of the difference of the degree of eccentricity 56 and 40.
If the user is from the negative rotation veer operating regulation mechanism 18 of motor 52, then motor 52 makes its sense of rotation commutation, and first deflection unit 22 swings in first bit-type around swing axis 66, and wherein the phase place 34 between the first eccentric unit 22 and the second eccentric unit 24 is owing to the inertia second eccentric unit 24 and that be attached thereto the parts that connect is subjected to displacement.
The 3rd supporting position 32 or 68 of rotation axiss carry out the oscillatory movement 14 of an annular trace, and the latter has one by the degree of eccentricity 20 in first bit-type or by the radius degree of eccentricity 56 and 40 and that determine.This oscillatory movement 14 is delivered on the grinding plate 16 by ball bearing 62 by the 3rd supporting position 32.
If eccentric is in second bit-type, then the 3rd supporting position 32 or rotation axis 68 carry out the oscillatory movement 14 of an annular trace, and the latter has one by the degree of eccentricity 20 in second bit-type or by the definite radius of the difference of the degree of eccentricity 56 and 40.This oscillatory movement 14 is delivered on the grinding plate 16 by ball bearing 62 by the 3rd supporting position 32.Grinding plate 16 is connected with housing 54 at this unshowned swing pin by some, these swing pin allow grinding plates 16 with respect to housing 54 one by the plane of grinding plate 16 tensionings in flexibly motion limitedly, and the swing pin is a rigidity on the direction of extending perpendicular to the plane of grinding plate 16.
In the zone of controlling mechanism 18, on housing 54, be provided with a mark, the size of the degree of eccentricity 20 that the latter sees the user to determine according to the position of controlling mechanism 18.Also can consider the mark of sense of touch, that is to say: when eccentric moved in first bit-type, a zone on the surface of housing 54 had thick granularity in controlling mechanism 18 is arranged on wherein first area; When eccentric moved in second bit-type, a second area on the surface of housing 54 had thin granularity in controlling mechanism 18 is arranged on wherein zone.Thus, the user can directly determine the favourable position of controlling mechanism 18 according to the granularity that is tensioned to the sand paper on the grinding plate 16.
Back to the first eccentric unit 22 and on the side of ball bearing 62 and grinding plate 16, the second eccentric unit 24 has some thin slices, and these thin slices relatively rotate axis 68 and extend radially outwardly and constitute a ventilation impeller 42 that is molded on the second eccentric unit 24.
Between several thin slices, one second balancer weight 46 in moulding on the second eccentric unit 24, this balancer weight are pointed to the direction of first balancer weight 44 in first bit-type, and are positioned at first balancer weight, 44 opposites in second bit-type.The quality of balancer weight 44,46 is selected in this wise, makes them compensate in this wise and makes grinding plate 16 owing to oscillatory movement 14 is supported on the 3rd centrifugal force that supports on the position 32, makes them not to be delivered on the motor drive shaft, and can not be delivered on the housing 54 thus.
Claims (12)
1. eccentric, it is provided for rotatablely move (10) of the motor (52) of a hand-held machine tool (12) are converted to the oscillatory movement (14) of tool component (16), especially convert the oscillatory movement of the grinding plate of a milling machine to, it is characterized in that: be provided with a controlling mechanism (18), be used for regulating the degree of eccentricity (20) of oscillatory movement (14).
2. according to the eccentric of claim 1, it is characterized in that: be provided with at least one eccentric unit (24), it has the supporting position (30,32) of at least two off-centre.
3. the eccentric that one of requires according to aforesaid right is characterized in that: this controlling mechanism (18) is provided for being adjusted in two relative phase places (34) between the eccentric unit (22,24) that can be supported rotationally around a supporting position (28,30).
4. according to the eccentric of one of aforesaid right requirement, it is characterized in that: be provided with at least one stop member (36,38,60), be used for limiting the control band of a phase place (34).
5. according to the eccentric of one of aforesaid right requirement, it is characterized in that: this controlling mechanism (18) is provided for changing the sense of rotation of motor (52).
6. according to the eccentric of claim 5, it is characterized in that: this degree of eccentricity (20) automatically changes when the sense of rotation of motor (52) changes.
7. according to claim 3 and 6 eccentric one of at least, it is characterized in that: when the sense of rotation of motor (52) changed, these eccentric unit (22,24) reversed toward each other.
8. according to the eccentric of one of aforesaid right requirement, it is characterized in that: at least one eccentric unit (24) comprises one by the ventilation impeller (42) in the moulding.
9. the eccentric that one of requires according to aforesaid right is characterized in that: be provided with a balancer weight (44,46), be used for the centrifugal force of poising tool parts (16).
10. according to the eccentric of one of aforesaid right requirement, it is characterized in that: at least one eccentric unit (22,24) has at least one by balancer weight (44,46) in the moulding, that be provided with prejudicially.
11. the eccentric according to one of aforesaid right requirement is characterized in that: be provided with a guiding device (48), be used for adjustment movement (50) is led.
A 12. hand-held machine tool (12), it has an eccentric, this eccentric is provided for rotatablely move (10) of motor (52) are converted to the oscillatory movement (14) of tool component (16), especially convert the oscillatory movement of the grinding plate of milling machine to, it is characterized in that: be provided with a controlling mechanism (18), be used for regulating the degree of eccentricity (20) of this oscillatory movement (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004055271.1 | 2004-11-17 | ||
| DE102004055271A DE102004055271A1 (en) | 2004-11-17 | 2004-11-17 | eccentric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1776257A true CN1776257A (en) | 2006-05-24 |
Family
ID=35516966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510127130.2A Pending CN1776257A (en) | 2004-11-17 | 2005-11-17 | Eccentric device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1776257A (en) |
| DE (1) | DE102004055271A1 (en) |
| GB (1) | GB2420518A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909815B (en) * | 2008-01-16 | 2014-10-15 | 罗伯特·博世有限公司 | Motor-driven machine tool |
| KR101573784B1 (en) | 2014-08-13 | 2015-12-02 | 오재동 | Vibration polishing machine for vessel |
| CN107932439A (en) * | 2016-10-13 | 2018-04-20 | 罗伯特·博世有限公司 | Hand held power machine with eccentric unit |
| CN113490572A (en) * | 2018-12-27 | 2021-10-08 | 罗伯特·博世有限公司 | Hand-held power tool |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10144106B2 (en) | 2015-11-02 | 2018-12-04 | Lake Country Manufacturing, Inc. | Adjustable stroke mechanism for random orbital machine |
| US10518384B2 (en) | 2015-11-02 | 2019-12-31 | Lake Country Tool, Llc | Adjustable stroke mechanism for random orbital machine |
| DE102015225381A1 (en) | 2015-12-16 | 2017-06-22 | Robert Bosch Gmbh | transmission device |
| US10414014B2 (en) | 2017-09-19 | 2019-09-17 | Campbell Hausfeld, Llc | Multifunction rotary tool including driveshaft |
| US10603760B2 (en) | 2017-09-19 | 2020-03-31 | Campbell Hausfeld, Llc | Multifunction rotary tool including hub |
| DE102017124745A1 (en) * | 2017-10-23 | 2019-04-25 | C. & E. Fein Gmbh | Oscillation drive with adjustable oscillation angle |
| US11493115B2 (en) | 2017-10-30 | 2022-11-08 | Lake Country Tool, Llc | Adjustable stroke device with cam |
| US11592055B2 (en) | 2018-08-30 | 2023-02-28 | Lake Country Tool, Llc | Adjustable stroke device with cam |
| US20220228653A1 (en) * | 2021-01-20 | 2022-07-21 | Lake Country Tool, Llc | Adjustable Stroke Device With Cam |
| US11878391B2 (en) | 2022-03-04 | 2024-01-23 | Lake Country Tool, Llc | Adjustable stroke device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3809930A1 (en) * | 1988-03-24 | 1989-10-05 | Bosch Gmbh Robert | Eccentric grinder |
| DE4202724A1 (en) * | 1992-01-31 | 1993-08-05 | Bosch Gmbh Robert | HAND TOOL MACHINE, IN PARTICULAR HAND CIRCULAR SAW |
| US5947804A (en) * | 1998-04-27 | 1999-09-07 | Ryobi North America, Inc. | Adjustable eccentricity orbital tool |
| JP4558154B2 (en) * | 2000-07-28 | 2010-10-06 | ケヰテック株式会社 | Eccentricity adjustment device |
| DE10119133A1 (en) * | 2001-04-19 | 2002-10-24 | Hilti Ag | Orbital sander with eccentric adjustment has coupling device to lock eccentric element in different positions on transmission shaft |
-
2004
- 2004-11-17 DE DE102004055271A patent/DE102004055271A1/en not_active Withdrawn
-
2005
- 2005-11-15 GB GB0523260A patent/GB2420518A/en not_active Withdrawn
- 2005-11-17 CN CN200510127130.2A patent/CN1776257A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909815B (en) * | 2008-01-16 | 2014-10-15 | 罗伯特·博世有限公司 | Motor-driven machine tool |
| KR101573784B1 (en) | 2014-08-13 | 2015-12-02 | 오재동 | Vibration polishing machine for vessel |
| CN107932439A (en) * | 2016-10-13 | 2018-04-20 | 罗伯特·博世有限公司 | Hand held power machine with eccentric unit |
| CN113490572A (en) * | 2018-12-27 | 2021-10-08 | 罗伯特·博世有限公司 | Hand-held power tool |
| CN113490572B (en) * | 2018-12-27 | 2023-10-20 | 罗伯特·博世有限公司 | Hand-held power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2420518A (en) | 2006-05-31 |
| GB0523260D0 (en) | 2005-12-21 |
| DE102004055271A1 (en) | 2006-05-18 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |