CN108422386A - Hand held power machine - Google Patents
Hand held power machine Download PDFInfo
- Publication number
- CN108422386A CN108422386A CN201810148895.1A CN201810148895A CN108422386A CN 108422386 A CN108422386 A CN 108422386A CN 201810148895 A CN201810148895 A CN 201810148895A CN 108422386 A CN108422386 A CN 108422386A
- Authority
- CN
- China
- Prior art keywords
- axis
- unit
- bearing unit
- oscillation
- hand held
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/006—Vibration damping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The present invention relates to a kind of hand held power machines to be disposed at least one percussion unit with shell in the shell, wherein the percussion unit is configured to drive plug-in type tool along axis of operation linear osccilation；With handle, the handle is connect by least one first bearing unit with shell, wherein, first bearing unit has the first induction element swingably supported and the second induction element swingably supported, described two induction elements are movably being guided one another, wherein, the first induction element can swingingly be connect with handle around the first axis of oscillation and the second induction element can swingingly be connect with shell around the second axis of oscillation.It proposes：Second axis of oscillation is arranged in before percussion unit.
Description
Technical field
The present invention relates to a kind of hand held power machines.
Background technology
Hand held power machine of the setting with vibration uncoupling unit, the vibration uncoupling in 10 2,006 029 630A1 of DE
Unit is used to decouple the transmission in the vibration to handle of major component.For this purpose, vibration uncoupling unit has the bullet for being configured to leaf spring
Spring element.
Illustrate a kind of hand held power machine in 1882 558A1 of EP, there is handle, the handle to pass through the solution equipped with spring
Coupling component is maintained on shell.Decoupling device includes the element of connecting rod shape, in the element of the connecting rod shape, first part's element and
Second part element telescopically guides each other.
Invention content
The present invention relates to a kind of hand held power machines to be disposed at least one shock machine with shell in the shell
Structure unit, wherein the percussion unit is configured to drive plug-in type tool along axis of operation linear osccilation；Tool
There is handle, which is connect by least one first bearing unit with shell, wherein first bearing unit has and can put
The first induction element supported dynamicly and the second induction element swingably supported, the two induction elements are removable one another
Dynamic ground is guided, wherein first induction element can swingingly be connect with handle and described the around the first axis of oscillation
Two induction elements can swingingly be connect with shell around the second axis of oscillation.It proposes：Second axis of oscillation is arranged in beater mechanism
Before unit.It can be advantageous to be achieved in particularly compact bearing unit.
Second axis of oscillation is arranged in before percussion unit, especially it should be appreciated that along hand held power machine
The trend of axis of operation, the first axis of oscillation, the second axis of oscillation and percussion unit are sequentially arranged (i.e. by being write herein
Sequence).
Moreover, it is proposed that between spacing between the width of the first bearing unit and the first axis of oscillation and the second axis of oscillation
Ratio be less than 1.Advantageously, so that the shell knot that can be realized the narrow of hand held power machine and meet ergonomics
Structure mode.What the width of the first bearing unit especially should be understood as the first and/or second induction element is parallel to first and
The width of two axiss of oscillation.The spacing of these axiss of oscillation especially should be understood as these axiss of oscillation of the first bearing unit
Maximum or minimum spacing, the especially institute between the maximum spacing and minimum spacing of these axiss of oscillation of the first bearing unit
There is length.Preferably, the ratio between the spacing between the width of the first bearing unit and the first axis of oscillation and the second axis of oscillation
Example is less than 0.8.
Moreover, it is proposed that the first bearing unit has decoupling unit, by these axiss of oscillation of the first bearing unit and its
In the face that width opens, the decoupling unit especially occupies at least 10%, preferably at least 25% share, advantageously, thus
Effective vibration damping to handle may be implemented.Decoupling unit is especially configured to handle being directed to due to percussion unit and in shell
The vibration occurred in body carries out vibration damping.Preferably, the effect of decoupling unit extend beyond the face at least 10%, preferably at least
25% share.
Moreover, it is proposed that decoupling unit have at least one decoupling elements, the decoupling elements be especially configured to helical spring or
It is configured to elastomer element.Advantageously, particularly effective vibration uncoupling is realized by decoupling elements.Preferably, decoupling elements branch
Support is on the first and second induction elements.Alternatively also, it is contemplated that decoupling elements are fixed on the first induction element, also,
Decoupling elements load the second induction element to springing by axial movement of first induction element relative to the second induction element
And thereby especially constitute the end stop or on the contrary of springing.Elastomer element especially should be understood as foamed material.Equally may be used
To consider, decoupling elements are configured with piston and with the buffer elements of liquid or the cylinder of gas charge.
Moreover, it is proposed that decoupling unit has the first decoupling elements and the second decoupling elements disposed adjacent one another.Advantageously,
It is possible thereby to further increase damping efficiency.It is adjacent especially should be understood as within a context the first and second decoupling elements it
Between without arranging other components.Preferably, the first and second decoupling elements construct substantially consistently.
Moreover, it is proposed that the first induction element and/or the second induction element have screw received block (Schraubdom), the spiral shell
An axis of oscillation of the received block in these axiss of oscillation of the first bearing unit is followed closely to extend and be configured to guide
At least one decoupling elements.Advantageously, the first and second induction elements pass through screw received block and corresponding opening phase
To movably being guided each other.Preferably, there are two screw received blocks for the first and/or second induction element tool, however also may be used
To consider that more than two screw received block is arranged.
Moreover, it is proposed that decoupling unit have at least one additional decoupling elements, wherein at least one decoupling elements and
At least one additional decoupling elements are successively arranged along being longitudinally oriented for the first bearing unit and are especially arranged in this
Between a little axiss of oscillation.Advantageously, it is possible thereby to further increase damping efficiency.Additional decoupling elements can be supported on first and draw
On guiding element and/or the second induction element.Preferably, decoupling elements are added to act in the same direction with the decoupling elements.It replaces
In generation, ground was also, it is contemplated that additional decoupling elements act in different directions.In particular, additional decoupling elements are arranged in a region,
In this region, the first induction element and the second induction element are being guided one another.Preferably, the such cloth of decoupling elements is added
It sets on the first induction element and/or the second induction element so that additional decoupling elements constitute the end stop of springing.
Moreover, it is proposed that decoupling unit has adaptable decoupling elements.Advantageously, decoupling unit is it is possible thereby to be matched with
Desirable scale in terms of vibration damping.
Moreover, it is proposed that hand held power machine has the second bearing unit, by second bearing unit, handle is movably
It is connect with shell, wherein diameter of the radial spacing of the second bearing unit to axis of operation than the first bearing unit to axis of operation
It is big to spacing, the second bearing unit be especially configured to rotation articulated section, second bearing unit by handle shapes in locking manner and
Swingably it is connect with shell.Alternatively also, it is contemplated that the second bearing unit is similarly constructed with the first bearing unit.Equally
It is contemplated that the second bearing unit is configured to rocking arm or elastomer.
In addition, the present invention relates to a kind of bearing unit for hand held power machine, the bearing unit is described as before
It constructs brightly.
Description of the drawings
Other advantage is obtained by following attached drawing description.Attached drawing, specification and claims include that many combinations are special
Sign.Those skilled in the art also will individually consider the feature and are summarized as significant other group in line with the purpose
It closes.
It illustrates：
The schematical view of Fig. 1 a hand held power machines has the first bearing unit in the first embodiment；
The partial cross section of the hand held power machines of Fig. 1 b according to fig. 1a；
Fig. 1 c according to the first bearing unit of Fig. 1 a another section；
The section of the first bearing units of Fig. 2 in this second embodiment；
The section of the first bearing units of Fig. 3 in the third embodiment；
The section of the first bearing units of Fig. 4 in the fourth embodiment；
The schematical view of Fig. 5 hand held power machines has the first bearing unit in the 5th embodiment.
Specific implementation mode
The first embodiment for showing hand held power machine 10 in schematical view in fig 1 a, with shell
12, handle 14 is movably secured to by the first bearing unit 16 and the second bearing unit 18 on the shell.12 He of shell
Handle 14 includes respectively two shell half-shells, and the shell half-shell can be connected by screw 20 interconnections.In order to more simply
It shows, shell 12 is only shown with first shell half-shell 22, and handle 14 is only shown with first shell half-shell 24.Hand-held tool
Machine 10 is configured to hammer drill.The driving unit 26 including motor 25 is disposed on the shell 12 of hand held power machine 10.In addition,
Hand held power machine 10 have gear unit 28, the gear unit be configured to by with 10 attachable insertion of hand held power machine
Formula tool 30 rotatably and/or along the impact of axis of operation 32 drives around axis of operation 32.Here, axis of operation 32 is vertical
It is arranged in the motor axis of motor 25.In order to make the rotary motion of motor 25 be converted to reciprocating motion, gear unit 28
With percussion unit 34, the percussion unit for example can be structured as include eccentric wheel beater mechanism.Plug-in type work
Tool 30 is received in the end side of hand held power machine by the tool receiving element 35 of hand held power machine 10.Handle 14 is substantially perpendicular to
Axis of operation 32 extends and has run switch 36, for controlling driving unit 26.In addition, being disposed with energy on handle 14
Supply unit 38, the energy supply unit are for example configured to replaceable portable power tool battery group 40.
During the impact operation of hand held power machine 10, there is strong vibration along axis of operation 32 and generate rotation
Rotational oscillation is dynamic, because determining that ground, the center of gravity of hand held power machine 10 are not on axis of operation 32 by structure.In order to along work
The vibration and whirling vibration for making axis 32 carry out vibration damping, and handle 14 swingably connect with shell 12 and is configured to pass through solution
33 vibration damping of coupling unit.
First bearing unit 16 is arranged in 32 top of axis of operation and by the first axis of oscillation 41 and the second swinging axle
Handle 14 is swingably connect with shell 12 by line 42.Advantageously, the second axis of oscillation 42 of the first bearing unit 16 is arranged in
Before percussion unit 34, so that the particularly compact construction of hand held power machine 10 can be realized.Second bearing is single
Member 18 is arranged in 32 lower section of axis of operation, wherein the spacing of the second bearing unit 18 to axis of operation 32 is than the first bearing unit
The spacing of 16 to axis of operation 32 is big, in particular its twice or more.Handle 14 is passed through another swinging axle by the second bearing unit 18
Line 43 is swingably connect with shell 12.Second bearing unit 18 is configured to rotation articulated section.For example, being associated with the arch of shell 12
19 shape of top is surrounded by the shape latch members for being associated with handle 14 in locking manner.
Second axis of oscillation 42 of the first bearing unit 16 and 43 cloth of another axis of oscillation of the second bearing unit 18
It sets in shell 12.By additional axis of oscillation 41, the first bearing unit 16 can rotationally support on arc orbit, the circle
The radius of arc track is corresponding to the spacing between the first axis of oscillation 41 and the second axis of oscillation 42.In addition, the first bearing unit
16 have decoupling unit 33, are used for vibration damping.Advantageously, thus by the first bearing unit 16 can both to vertical vibrating in other words
Vibration damping also is carried out to horizontal vibration along the vibration of axis of operation 32.
The partial cross section of first bearing unit 16 in the state in hand held power machine 10 is shown in Figure 1b.The
It induction element 46 and the second induction element for being supported in shell 12 that one bearing unit 16, which has be supported in handle 14 first,
48, described two induction elements are movably being guided one another.First induction element 46 has on the end of its handle side
There is receiver hole 50,52 shape of screw received block of the first shell half-shell 24 of the receiver hole 50 and handle 14 is in locking manner and can be around
The screw received block 52 swingingly to connect.Second induction element 48 has on the end of its shell side there are two receiver hole 56,
Pin 58 is inserted in the receiver hole.Second induction element 48 by pin 58 with receive 60 shape of bag portion in locking manner and can be around connecing
Closing bag portion 60 rotationally connects, which is arranged on the inside of the first and second shell half-shells 22,62 of shell 12.
First induction element 46 is connected by screw 66 and is connect with the second induction element 48.First induction element 46 has two
A arm for being configured to screw received block 68, the arm extend perpendicular to the first axis of oscillation 41.These screw received blocks 68 are respective
An opening 70 on the end of handle side for being arranged in the second induction element 48.First induction element 46 passes through the second guiding
These openings 70 of element 48 linearly guide.First induction element 46 is received by such rigidity so that prevents lateral movement.So
And also, it is contemplated that the first induction element 46 has and is received with gap, thus decoupling unit 33 can also receive at least partly
Cross force.On the end of screw received block 68 disk 74 is fixed with by the second screw 72.By being fixed by the second screw 72
Disk 74, the first induction element 46 is between two end stops, especially in the opening 70 and pin 58 of the second induction element 48
Between, axially movably favorably guided.
In order to be applied to the efficiently vibration damping of the vibration on handle 14, first bearing unit 16 has decoupling unit
33, which includes two identical decoupling elements 78 in this embodiment.These decoupling elements 78 are respectively configured to spiral shell
Spring 80 is revolved, helical spring surrounds screw received block 68 and guided by these screw received blocks.78 springing of decoupling elements
It is supported on the first induction element 46 and the second induction element 48.Advantageously, the first bearing unit 16 has at least one backstop
Element 82, the stop element additionally limit axial movement of first induction element 46 in the second induction element 48 and
To constitute end stop.For example, there are two stop element 82, described two stop elements for molding on the first induction element 46
Decoupling elements 78 are surrounded in the side of decoupling elements.It is advantageously ensured that by stop element 82, helical spring 80 is not by excessive pressure
Contracting, excess compression may be damaged helical spring 80.
The longitudinal cross-section of first bearing unit 16 is shown in figure 1 c.Advantageously, the first bearing unit 16 is configured to assemble
Component, the mounting structure can be mounted in handle 14 and shell 12 and be kept in locking manner by its shape.First bearing unit 16
The ratio between spacing 86 between width 84 and two axiss of oscillation 41,42 of the first bearing unit 16 is less than 0.8, to realize
The especially narrow construction of hand held power machine 10.Decoupling unit 33 (two outstanding decoupling elements 78) is by axis of oscillation 41,42
Spacing 86 and the first bearing unit 16 the face opened of width 84 in advantageously occupy share more than 25%, although thus
The frame mode of first bearing unit 16 is compact but still can ensure high damping efficiency.
The second embodiment of the first bearing unit 16 is shown in FIG. 2, the difference of first bearing unit substantially exists
In the decoupling elements 78 that the construction of decoupling unit 33 is elastomer element 87.Elastomer element 87 is supported on the first induction element 46
On the second induction element 48.It can be advantageous to occupy the face opened by the first bearing unit 16 by elastomer element 87
Greater share, it is possible thereby to further increase the efficiency of decoupling unit 33.
The third embodiment of the first bearing unit 16 is shown in FIG. 3.In this embodiment, decoupling unit 33 has
Two different decoupling elements 78.As in the first embodiment illustrated by as, the first decoupling elements 78 are configured to spiral shell
Spring 80 is revolved, which is supported on the first induction element 46 and the second induction element 50.Additional decoupling elements 88 construct
After elastomer element 87 and the opening 70 that is fixed on the second induction element 48.Additional decoupling elements 88 constitute springing
End stop 90, axial movement of the first induction element of limit 46 in the second induction element 48 of end stop vibration damping ground.
The 4th embodiment of the first bearing unit 16 is shown in FIG. 4.In this embodiment, decoupling unit 33 is same
There are two different decoupling elements 78,88 for tool.As in the first embodiment illustrated by as, 78 structure of the first decoupling elements
It makes as helical spring 80, which is supported on the first induction element 46 and the second induction element 48.Additional decoupling member
Part 88 is arranged in the guidance field of the first bearing unit 16, especially the first induction element 46 opening in the second induction element 48
In guidance field in mouth 70.Additional decoupling elements 88 are configured to the rubber ring 91 being placed in opening 70.Thus advantageously real
Gap in the guiding of present first bearing unit 16 can also receive cross force to vibration damping by the gap.
The schematical view of the 5th embodiment of the first bearing unit 16 is shown in FIG. 5.In this embodiment,
First induction element 46 is connect with the additional decoupling elements 88 for being configured to leaf spring element 92.Leaf spring element 92 is preferably supported at
On one induction element 46 and it is supported on the casing member 94 of shell 12.Here, leaf spring element 92 surrounds casing member in this way
94 so that leaf spring element 92 can be supported swingingly around casing member 94.Advantageously, leaf spring element 92 is supported on disk 74.It replaces
Dai Di, leaf spring element 92 are integrally constructed with disk 74.
Instead of embodiment shown in fig. 5, the second induction element 48 can not also be by being cooperated to reception bag portion
Pin 58 in 60 is connect with shell 12, but can partly be configured to leaf spring element 92.Advantageously, it is possible thereby to being moved through
Particularly effective vibration damping is realized in the case of journey is non-uniform.In this embodiment, the first swinging axle of the first bearing unit 16
Line 41 is arranged in 32 top of axis of operation of hand held power machine and the second axis of oscillation 42 is arranged in 32 lower section of axis of operation.
Claims (10)
1. a kind of hand held power machine, has：
Shell (12) is disposed at least one percussion unit (34) in the shell, wherein the beater mechanism list
First (34) are configured to drive plug-in type tool (30) in a manner of along axis of operation (32) linear osccilation；
Handle (14), the handle are connect by the first bearing unit (16) with the shell (12), wherein described first
Bearing unit (16) has the first induction element (46) that can be supported swingingly and the second induction element (48) that can be supported swingingly,
The two induction elements can guided movably one another, wherein first induction element (46) can swing around first
Axis (41) is swingingly connect with the handle (14), also, second induction element (48) can be around the second axis of oscillation
(42) it is swingingly connect with the shell (12),
It is characterized in that, second axis of oscillation (42) is arranged in before the percussion unit (34), wherein along institute
State the trend of the axis of operation (32) of hand held power machine (10), first axis of oscillation (41), second axis of oscillation
(42) it is sequentially arranged with the percussion unit (34).
2. hand held power machine described in accordance with the claim 1, which is characterized in that the width of first bearing unit (16)
(84) ratio between the spacing (86) between first axis of oscillation (41) and second axis of oscillation (42) is less than
1。
3. according to the hand held power machine described in any one of preceding claims, which is characterized in that first bearing unit
(16) there is decoupling unit (33), the decoupling unit is especially in these axiss of oscillation by first bearing unit (16)
At least 10%, preferably at least 25% part is occupied in the face that the width (84) of (41,42) and first bearing unit opens
Volume.
4. hand held power machine described in accordance with the claim 3, which is characterized in that the decoupling unit (33) has at least one
Decoupling elements (78), the decoupling elements are especially configured to helical spring (80) or are configured to elastomer element (87).
5. according to the hand held power machine described in claim 3 or 4, which is characterized in that the decoupling unit (33) has each other
The first decoupling elements (78) and the second decoupling elements (80) being adjacently positioned.
6. according to the hand held power machine described in any one of claim 3 to 5, which is characterized in that first induction element
(46) and/or second induction element (48) has screw received block (68), and the screw received block is perpendicular to described first
An axis of oscillation in these axiss of oscillation (41,42) of bearing unit (16) extends and is configured to guide at least one
Decoupling elements (78).
7. according to the hand held power machine described in any one of claim 3 to 6, which is characterized in that the decoupling unit (33)
With at least one additional decoupling elements (88), wherein at least one first decoupling elements (78) and described at least one
Additional decoupling elements (88) are longitudinally oriented arranged in succession and are especially arranged in these along first bearing unit (16)
Between axis of oscillation (41,42).
8. according to the hand held power machine described in any one of preceding claims, which is characterized in that the decoupling unit (33)
With the decoupling elements that can be adjusted.
9. according to the hand held power machine described in any one of preceding claims, which is characterized in that the hand held power machine
(10) there is the second bearing unit (18), by second bearing unit, the handle (14) can move ground and the shell
(12) it connects, wherein the radial spacing of second bearing unit (18) to the axis of operation (32) is than first bearing
The radial spacing of unit (16) to the axis of operation is big.
10. a kind of bearing unit (16), for according to the hand held power machine (10) described in any one of claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017202371.6A DE102017202371A1 (en) | 2017-02-15 | 2017-02-15 | Hand tool |
| DE102017202371.6 | 2017-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108422386A true CN108422386A (en) | 2018-08-21 |
| CN108422386B CN108422386B (en) | 2023-06-27 |
Family
ID=62982672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810148895.1A Active CN108422386B (en) | 2017-02-15 | 2018-02-13 | Hand-held power tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108422386B (en) |
| DE (1) | DE102017202371A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3109298A1 (en) * | 1980-03-13 | 1981-12-24 | Masaharu Tokyo Kubokawa | Vibration-damping handle for a vibratory device |
| CN1724224A (en) * | 2004-04-01 | 2006-01-25 | 罗伯特·博世有限公司 | Hand held power machine, particularly hammer drill and/or jump bit |
| CN1820903A (en) * | 2005-02-18 | 2006-08-23 | 罗伯特·博世有限公司 | Hand-held machine tool |
| US20080022817A1 (en) * | 2006-07-27 | 2008-01-31 | Axel Fischer | Hand-held power tool with a decoupling device |
| CN101415526A (en) * | 2006-04-07 | 2009-04-22 | 罗伯特·博世有限公司 | Portable power tool with vibration-damped handle |
| CN101535009A (en) * | 2006-11-16 | 2009-09-16 | 罗伯特·博世有限公司 | Handle vibration damping device |
| US20090236111A1 (en) * | 2008-03-18 | 2009-09-24 | Black And Decker Inc. | Hammer |
| US20090283282A1 (en) * | 2008-05-17 | 2009-11-19 | Metabowerke Gmbh | Electric hand-held power tool appliance |
| CN101903137A (en) * | 2007-12-19 | 2010-12-01 | 罗伯特·博世有限公司 | Handle device, particularly a hand-held machine tool handle device |
| CN104227663A (en) * | 2013-06-20 | 2014-12-24 | 力山工业股份有限公司 | Automatic mallet with damping device |
-
2017
- 2017-02-15 DE DE102017202371.6A patent/DE102017202371A1/en active Pending
-
2018
- 2018-02-13 CN CN201810148895.1A patent/CN108422386B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3109298A1 (en) * | 1980-03-13 | 1981-12-24 | Masaharu Tokyo Kubokawa | Vibration-damping handle for a vibratory device |
| CN1724224A (en) * | 2004-04-01 | 2006-01-25 | 罗伯特·博世有限公司 | Hand held power machine, particularly hammer drill and/or jump bit |
| CN1820903A (en) * | 2005-02-18 | 2006-08-23 | 罗伯特·博世有限公司 | Hand-held machine tool |
| CN101415526A (en) * | 2006-04-07 | 2009-04-22 | 罗伯特·博世有限公司 | Portable power tool with vibration-damped handle |
| US20080022817A1 (en) * | 2006-07-27 | 2008-01-31 | Axel Fischer | Hand-held power tool with a decoupling device |
| CN101535009A (en) * | 2006-11-16 | 2009-09-16 | 罗伯特·博世有限公司 | Handle vibration damping device |
| CN101903137A (en) * | 2007-12-19 | 2010-12-01 | 罗伯特·博世有限公司 | Handle device, particularly a hand-held machine tool handle device |
| US20090236111A1 (en) * | 2008-03-18 | 2009-09-24 | Black And Decker Inc. | Hammer |
| US20090283282A1 (en) * | 2008-05-17 | 2009-11-19 | Metabowerke Gmbh | Electric hand-held power tool appliance |
| CN104227663A (en) * | 2013-06-20 | 2014-12-24 | 力山工业股份有限公司 | Automatic mallet with damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017202371A1 (en) | 2018-08-16 |
| CN108422386B (en) | 2023-06-27 |
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