CN101659051A - Hand machine tool with brushed motor - Google Patents
Hand machine tool with brushed motor Download PDFInfo
- Publication number
- CN101659051A CN101659051A CN200910171014A CN200910171014A CN101659051A CN 101659051 A CN101659051 A CN 101659051A CN 200910171014 A CN200910171014 A CN 200910171014A CN 200910171014 A CN200910171014 A CN 200910171014A CN 101659051 A CN101659051 A CN 101659051A
- Authority
- CN
- China
- Prior art keywords
- lid
- field frame
- motor field
- held power
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract 1
- 238000007373 indentation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013017 mechanical damping Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- 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
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
- B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
Abstract
The invention relates to a hand-held power tool 10 which comprises a longilineal motor housing 16 that serves as a handle, which accommodates an electric collector motor 50. The interior of the motorhousing is accessible via a servicing opening 26 of the motor housing 16, which is closable by a cover 22, so as to be more safe in the electric field. The cover has an indentation 29 on its outside surface and far away from the outer edge for engagement of a tool (58) for opening the cover.
Description
Technical field
The present invention relates to a kind of hand held power machine with brushed motor.
Background technology
Electric hand-held power tool is at present usually by general-purpose motor, promptly driven by brush motor or brushed motor.In order to commutate, electric current is transferred to the commutator of the rotation that is in operation of motor via brush from cable at this.Brush is fixed in the motor field frame by brush holder, and this motor field frame in most of the cases is made of plastics.Brush holder has conduit, and this conduit leads to brush.Brush holder is equipped with spring, and this spring is pressed to commutator with brush.Brush itself and commutator position contacting wear and tear owing to friction and effect at spring under axially move corresponding to the loss of length who causes by wearing and tearing towards commutator.Can keep the electric current between commutator and the brush thus.In the service life of electric hand-held power tool, brush in most of the cases must repeatedly be changed.
In order to allow to change easily brush, known motor field frame has services aperture, passes these services aperture and just can directly touch carbon brush.In order to guarantee electrical security, services aperture can be by be fixed on the lid waterproof on the motor field frame and seal dustproofly with screw element or like.The outer surface of this lid evenly carries out the transition in the profile of machine case usually.
After unclamping retaining thread spare, the lid of sealing services aperture can take off from motor field frame.For this reason, this covers has recess or radial gap on its outward flange, inserts and take off described lid for screwdriver or similar tool.These recesses form the geometric discontinuity of covering the edge and are opening when being damaged when covering and may have a negative impact to electrical security when the seal that is used for services aperture there.The dust of conduction may invade device inside therefrom and form conduction with moisture and be connected, and this conduction connection places device case under the working voltage of electric tools.
Summary of the invention
According to the present invention proposes a kind of hand held power machine, it has motor field frame especially microscler, that be used as handle, wherein, the inside of motor field frame via on the motor field frame can be approaching with the services aperture that cap seal closes, wherein, the described lid on its lateral surface has a recess away from its outward flange, and this recess is used for for the insertion instrument so that open lid.The invention has the advantages that: new lid guaranteed hand held power machine electrical security and this can be cosily, open easily, thereby finish maintenance work quickly.
Structurally only change in this wise according to motor field frame of the present invention, make and to carry out the demoulding with 90 ° angle, for example from injection mold, take out motor field frame, can make motor field frame not increasing under the condition of cost thus.
Have the space according to lid of the present invention, this space is set to and the outward flange that a covers distance or be arranged on outside with the handing-over position of machine case at interval, can open lid by proper implements thus, and can not have a negative impact to electrical security.
According to of the present invention cover during unclamping the retaining thread spare that can not lose/automatically open afterwards, need not therefore that other operation expends just can be apace near carbon brush.
Be provided with the seal of at least one circulating type between according to lid of the present invention and services aperture, improve the electrical security and the mechanical damping of hand held power machine thus.In addition, guarantee to cover the position stability of screw element and the click clatter noise between elimination motor field frame and the lid by the elasticity pretension of realizing by seal.
According to of the present invention cover with the contact area of motor field frame in be equipped with rubber or similar buffer element, make thus to cover in the gripping area of device case and be used as crash roll, this crash roll has reduced the vibrations of being transmitted and has reduced hand held power machine operator's anxiety thus, thereby improves operation comfort and processing safety.
Be positioned on the machine case after unclamping retaining thread spare and opening lid according to of the present invention the lid anti-lostly, obviously improve the operation comfort when changing brush thus.
Be formed for the locking device of other removable parts, especially a cover cap of machine case according to lid of the present invention, thus especially easily near motor field frame inside so that examination and maintenance work.
According to the pressing plate of lid of the present invention, can save essential so far, independent pressing plate and retaining thread spare thereof thus as brush holder.
Description of drawings
Explain the present invention in detail by means of embodiment below with respective drawings.In the accompanying drawing:
Fig. 1 illustrates the angle grinding machine that has services aperture and lid according to of the present invention;
Fig. 2 illustrates the part according to the motor field frame of the angle grinding machine of Fig. 1;
Fig. 3 illustrates motor field frame according to the longitudinal sectional view in the lid zone of Fig. 2;
Fig. 4 illustrates motor field frame another longitudinal sectional view in the lid zone;
Fig. 5 illustrates another longitudinal sectional view that has the motor field frame that covers modification;
Fig. 6 illustrates the longitudinal sectional view according to having of Fig. 5 of another kind of lid modification;
Fig. 7 and 8 is illustrated in two longitudinal sectional views in the installation step, has a kind of bottom modification of lid;
Fig. 9 illustrates the longitudinal sectional view according to Fig. 5, has the lid with the sealing of O shape ring;
Figure 10 illustrates the longitudinal sectional view according to Fig. 5, has the lid with the elastic sealing element damping;
Figure 11 and 12 illustrates the longitudinal sectional view of lid, and this cover tape has with the hinge type of motor field frame and is connected;
Figure 13 is illustrated in the longitudinal sectional view of the motor field frame that has two lids on the two opposite sides, and these lids are as the fixture of an other housing parts;
Figure 14 illustrates the underneath side elevation view of the lid that has supporting member;
Figure 15 illustrates the vertical view of the services aperture of the motor field frame of opening, and therefrom sees the brush holder corresponding with lid; With
Figure 16 illustrates the side view that has according to the motor field frame of the lid of Figure 15 and brush holder.
The specific embodiment
The hand held power machine shown in Fig. 1 neutral body be constructed to angle grinding machine 10 and in front (on the direction of observation left side) have the gear mechanism housing 12 that is made of metal.A unshowned output shaft is stretched out by the vertical pivot 20 that gear mechanism housing is parallel to angle grinding machine 10 downwards, so that receive unshowned mill, this mill is surrounded by protective cover.The motor field frame 16 of an alms bowl shape version is installed in gear mechanism housing 12 rear flange formulas, this motor field frame 16 is received in brush motor or the brushed motor that is commonly referred to general-purpose motor in the hand held power machine, stretches out the cable 18 that is used for to the motor power supply from this motor back.
Cover the having of angle shown in Figure 2 grinding machine 10 part of 22 motor field frame 16.At this, find out that significantly covering 22 has three transverse to the decorative groove 28 of longitudinal axis extension and the recess 29 of slit-shaped.Recess 29 is positioned at the outline inside of motor field frame 16 and firmly seals with respect to enclosure interior.
Also showing one is used to operate the side shift knob 15 of on-off switch and is used for three grip area 19 that suction motor is cooled off the side ventilation seam 17 of air and shown motor field frame 16, wherein, lid 22 itself and be positioned at motor field frame 16 zones of cover front and back be equipped with at least in part improve to grip property, reduce the superficial layers that shake.
Fig. 5 illustrates motor field frame 16 another longitudinal sectional view in lid 222 zones, illustrate and cover L shaped lid edge 25 and a spring tongue piece 321 of 222, this lid edge 25 is used for fastening hingedly the enclosure slot 34 of adjacent housings wall, and this spring tongue piece 321 is supported in tightly in advance downwards on the inclined-plane 36 and covers 22 outwards or upwards swing unclamping to make after covering screw element 24.Inclined-plane 36 is integrated in the motor field frame 16.
The difference of Fig. 6 and Fig. 5 is: spring tongue piece 322 is configured to the single parts of being made by steel or similar spring material and is assemblied in cover on 223.The details consistent with Fig. 5 no longer described.
Shown in Fig. 7 and 8 according to the longitudinal sectional view of Fig. 5, have and cover 224 bottom modification.Lid 224 L shaped lid edge 251 forms the spring tongue piece of pretensions, and this spring tongue piece makes in being pressed into enclosure slot 34 time to cover 224 tensionings and attempt to make and covers 224 and stay open.In unclamping the process of covering screw element 24, described when assembling pretension spring tongue piece be bent back to its initial position and make and cover 224 and open.
Longitudinal sectional view according to Fig. 5 shown in Figure 9, have lid 225 with 38 sealings of O shape ring, the circulating type seal of this lid 225 can be designed as the rubber ring of embedding, this rubber ring has and covers edge 25, services aperture 26 and join the shape of position profile in other words, perhaps also can be designed as the sealing the margin that is directly injection-moulded on motor field frame and/or the brush cover.
Figure 10 illustrates the longitudinal sectional view according to Fig. 5, have lid 226 with the elastic sealing element damping, this lid 226 be designed to have decorative groove 28 the arching pad and by suitable, selectively at motor field frame 16 or cover on 226 and to cause on this lid is with respect to motor field frame 16 with its outward flange damping device 40 that match, circulating type and with respect to the damping of screw thread platform 30.This damping device can be directly with two components (Zwei-Komponenten) injection molding be placed in cover on 226 and/or motor field frame 16 on.Can design damping device 40 in this wise at this, make a part compress more consumingly than another part and make thus and cover 22 open beat along with covering unclamping of screw element 24.
In Figure 11 and 12, illustrate respectively and cover 227,228 longitudinal sectional view, described cover tape has with the hinge type of motor field frame 16 and is connected, make lid can not lose ground, when opening, movably be fixed on the motor field frame 16 as rotary gemel 44 or film hinge 46, in the assembling process first at machine under the situation of rotary gemel 44, will cover 227 and clamp, directly be injected on the machine case 161 at the situation lower cover 228 of film hinge 46.
Figure 13 illustrates the longitudinal sectional view of motor field frame 16, this motor field frame 16 has two lids 229 that are arranged on the opposite side, these two lids 229 are as the fixtures of an other housing parts that is configured to cover cap 161, and this other housing parts can unclamp from remaining housing 16 after covering 229 easily opening.229 pairs of cover caps of brush cover 161 form and end lock, thereby need not independent threaded connector or similarity piece for cover cap.Therefore, be easier to the enclosure interior in its cover cap 116 zones, for example have power line 18, electric switch of sleeve pipe 181 etc., for example so that maintenance work or replacing near motor field frame 16.Open these two lids 229 in order to take off 116 need of cover cap after covering screw element 23 unclamping, thereby the sealed formula of removing between these lids 229 and the cover cap 116 of shape connects.For this reason, lid 229 has the closing element 48 of hook-type, and this closing element 48 is used to fasten the groove 49 adaptive, circulating type of cover cap 116.Cover cap 116 is released and can takes off in opening 22 the process covered.Lid 229 is bearing in hinge, the locking system etc. swingably.
Figure 14 illustrates the bottom view of the lid 2210 that has a cylindricality supporting member 50, and this supporting member 50 is as the pressing plate of brush holder 54 (Figure 16).Need not to be used for the independent retaining element of brush holder 54 thus, for example the threaded connector of oneself.For this reason, brush holder 54 has corresponding pillar 52, and supporting member 50 is bearing on this correspondence column 52.If but be furnished with the independent threaded connector that is used for brush holder, if the brush holder screw element unclamps from screwed hole when overload and/or excessive high temperature, for example unclamping from motor field frame 16 under the situation of excessive shock or under the situation of brush holder fusing, then supporting member 50 and corresponding column 52 form emergency stop (apparatus).Preventing thus that overheated brush holder from passing motor field frame 16 or covering 2210 passes because corresponding column be arranged in the less zone of the temperature load of brush holder and thus can be only with low maximum temperature act on cover 2210 or supporting member 50 on.
Figure 15 illustrates the vertical view of the services aperture 26 of the motor field frame of opening 16, and this motor field frame 16 has and the corresponding brush holder 54 of the lid 2210 (Figure 16) of corresponding column 52 tops.This brush holder can be fixing by covering 2210 under the situation that does not have brush holder screw element 55.
Figure 16 illustrates the side view of motor field frame 16, wherein is equipped with the lid 2210 that has supporting member 50, and this supporting member 50 is bearing on the corresponding column 52 according to the brush holder 54 of Figure 15.
These embodiment of the present invention can make up in more various mode mutually, and the pillar geometry that for example is used for the lid 2210 of brush holder 54 makes up or be used to open the space and the seal combination of the auxiliary body of lid with the brush cover that can not lose.Also can be configured to quadrangle, hexagon as the auxiliary body that is used to open lid in addition, perhaps replace also can be designed as hand drill, scraper, eccentric sharpener, thorn saw etc. with the hand held power machine that the angle grinding machine is described, these machines have the motor field frame that is configured to handle, and described motor field frame has according to brush holder of the present invention, has or do not have services aperture and a lid.
Claims (10)
1. a hand held power machine (10), has motor field frame (16) especially microscler, that be used as handle, wherein, the inside of motor field frame (16) can via on this motor field frame (16) can with the lid (22 to 2210) sealing services aperture (26) approaching, it is characterized in that, described lid (22) has a recess (29) away from its outward flange on its lateral surface, this recess (29) is used for inserting so that open lid (22) for instrument (58).
2. hand held power machine as claimed in claim 1 is characterized in that, described recess (29) is used for inserting and constructing matchingly with these instruments for screwdriver (58), hex wrench, coin or similar tool.
3. hand held power machine as claimed in claim 2 is characterized in that, especially between the outward flange of the middle part of covering and/or center of covering and lid, a plurality of recesses (29) are set to be complementary with different instruments.
4. a hand held power machine (10), have microscler, especially be used as the motor field frame (16) of handle, this motor field frame receives brush motor (50), wherein, the inside of motor field frame (16) can via this motor field frame (16) can with the lid (22) sealing services aperture (26) approaching, wherein, described lid (22) can especially be fixed on by being threaded on the motor field frame (16), it is characterized in that, between described lid (22) and motor field frame (16), be provided with spring assembly (32,321,322,323), described spring assembly can be in the process of fixed cap (22) pretension and attempt to open lid (22).
5. hand held power machine as claimed in claim 1 or 2 is characterized in that, described lid (22) have a plurality of with respect to motor field frame (16) around seal.
6. hand held power machine as claimed in claim 5 is characterized in that, described lid (22) with zone that motor field frame (16) contacts in have rubber shock-absorbing device or similar damping device (40).
7. as each described hand held power machine in the above-mentioned claim, it is characterized in that described lid (22) is anti-especially to be fixed on the motor field frame (16) by film hinge (46) with losing.
8. each described hand held power machine as in the above-mentioned claim is characterized in that, end lock and this that described lid (22) is formed for other parts of motor field frame (16) only are locked in the process of opening lid (22) and are released.
9. as each described hand held power machine in the above-mentioned claim, it is characterized in that described lid (22) is as the pressing plate of carbon brush holder (54).
10. as each described hand held power machine in the above-mentioned claim, it is characterized in that described lid (22) has the fixture that is used for fixing acknowledgment copy, especially standby carbon brush on the surface within it.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008041720.3A DE102008041720B4 (en) | 2008-08-29 | 2008-08-29 | Hand tool with brush motor |
| DE102008041720.3 | 2008-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101659051A true CN101659051A (en) | 2010-03-03 |
| CN101659051B CN101659051B (en) | 2015-05-13 |
Family
ID=41202930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910171014.9A Active CN101659051B (en) | 2008-08-29 | 2009-08-28 | Hand machine tool with brushed motor |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101659051B (en) |
| DE (1) | DE102008041720B4 (en) |
| FR (1) | FR2935282B1 (en) |
| GB (2) | GB2462938B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275156A (en) * | 2010-06-08 | 2011-12-14 | 罗伯特·博世有限公司 | Handheld tool machine |
| CN104669220A (en) * | 2009-05-27 | 2015-06-03 | 罗伯特·博世有限公司 | Power tool, particularly a hand power tool, the housing parts thereof being connected by means of form-fitting elements |
| CN102275156B (en) * | 2010-06-08 | 2016-12-14 | 罗伯特·博世有限公司 | Hand held power machine |
| CN108367425A (en) * | 2015-12-17 | 2018-08-03 | 罗伯特·博世有限公司 | Case lid for hand held power machine |
| CN110871423A (en) * | 2013-11-21 | 2020-03-10 | 罗伯特·博世有限公司 | Hand-held machine tool housing device |
| CN112388557A (en) * | 2019-08-19 | 2021-02-23 | 车王电子股份有限公司 | Impact wrench |
| CN113500567A (en) * | 2015-11-24 | 2021-10-15 | 罗伯特·博世有限公司 | Hand-held power tool and power tool system |
| US11478908B2 (en) | 2019-08-14 | 2022-10-25 | Mobiletron Electronics Co., Ltd. | Impact wrench |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007057033A1 (en) * | 2007-11-27 | 2009-05-28 | Robert Bosch Gmbh | Electrically drivable hand tool machine |
| CH703098A2 (en) * | 2010-05-03 | 2011-11-15 | Peter A Mueller | Linkable drive. |
| DE102010039794A1 (en) * | 2010-08-26 | 2012-03-01 | Robert Bosch Gmbh | Hand machine tool device |
| CN104044043A (en) * | 2013-03-13 | 2014-09-17 | 昆山齐升磨料磨具有限公司 | Novel electric grinder |
| CN104260032B (en) * | 2014-07-11 | 2016-08-24 | 浙江明磊工具实业有限公司 | A kind of improved electric screwdriver |
| EP3053717B1 (en) * | 2015-02-03 | 2020-06-10 | Andreas Stihl AG & Co. KG | Work device |
| EP4234169A3 (en) * | 2017-08-31 | 2023-10-18 | Dubuis et Cie | Power tools for crimping or cutting objects and methods of assembly |
| CN115351673B (en) * | 2022-06-30 | 2024-02-06 | 徐州柏通铝业有限公司 | Hand-held grinding tool |
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| JP2000324765A (en) * | 1999-05-11 | 2000-11-24 | Makita Corp | Commutator motor facilitating brush replacement work |
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| CN101878563A (en) * | 2007-11-27 | 2010-11-03 | 罗伯特·博世有限公司 | Electrically driven hand-held power tool |
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2008
- 2008-08-29 DE DE102008041720.3A patent/DE102008041720B4/en not_active Expired - Fee Related
-
2009
- 2009-08-27 FR FR0955828A patent/FR2935282B1/en active Active
- 2009-08-28 CN CN200910171014.9A patent/CN101659051B/en active Active
- 2009-08-28 GB GB0915147.3A patent/GB2462938B/en not_active Expired - Fee Related
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2012
- 2012-07-25 GB GB1213290.8A patent/GB2490069B/en not_active Expired - Fee Related
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| JP2000324765A (en) * | 1999-05-11 | 2000-11-24 | Makita Corp | Commutator motor facilitating brush replacement work |
| DE19959920B4 (en) * | 1999-12-11 | 2004-03-25 | Metabowerke Gmbh | Electric hand machine tool, in particular an angle grinder with a rotatable maintenance opening |
| US20030221292A1 (en) * | 2002-06-04 | 2003-12-04 | David Pozgay | Power tool handle |
| DE102006023039B3 (en) * | 2006-05-17 | 2008-01-31 | Metabowerke Gmbh | Electric hand-held tool device e.g. eccentric sander, has carbon brush of motor and/or electronics accessed during removal of cover unit, and bearing carrier integrated into unit for partially supporting bearing of drive shaft of motor |
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| CN104669220A (en) * | 2009-05-27 | 2015-06-03 | 罗伯特·博世有限公司 | Power tool, particularly a hand power tool, the housing parts thereof being connected by means of form-fitting elements |
| CN104669220B (en) * | 2009-05-27 | 2017-01-18 | 罗伯特·博世有限公司 | Power tool, particularly a hand power tool, the housing parts thereof being connected by means of form-fitting elements |
| CN102275156A (en) * | 2010-06-08 | 2011-12-14 | 罗伯特·博世有限公司 | Handheld tool machine |
| CN102275156B (en) * | 2010-06-08 | 2016-12-14 | 罗伯特·博世有限公司 | Hand held power machine |
| CN110871423A (en) * | 2013-11-21 | 2020-03-10 | 罗伯特·博世有限公司 | Hand-held machine tool housing device |
| CN110871423B (en) * | 2013-11-21 | 2023-03-14 | 罗伯特·博世有限公司 | Hand-held machine tool housing device |
| CN113500567A (en) * | 2015-11-24 | 2021-10-15 | 罗伯特·博世有限公司 | Hand-held power tool and power tool system |
| CN108367425A (en) * | 2015-12-17 | 2018-08-03 | 罗伯特·博世有限公司 | Case lid for hand held power machine |
| CN108367425B (en) * | 2015-12-17 | 2022-06-07 | 罗伯特·博世有限公司 | Hand-held power tool |
| US11478908B2 (en) | 2019-08-14 | 2022-10-25 | Mobiletron Electronics Co., Ltd. | Impact wrench |
| CN112388557A (en) * | 2019-08-19 | 2021-02-23 | 车王电子股份有限公司 | Impact wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101659051B (en) | 2015-05-13 |
| GB2490069A (en) | 2012-10-17 |
| FR2935282A1 (en) | 2010-03-05 |
| GB2462938A (en) | 2010-03-03 |
| DE102008041720B4 (en) | 2020-02-06 |
| GB2490069B (en) | 2013-04-03 |
| GB2462938B (en) | 2013-02-27 |
| FR2935282B1 (en) | 2016-01-08 |
| GB0915147D0 (en) | 2009-10-07 |
| GB201213290D0 (en) | 2012-09-05 |
| DE102008041720A1 (en) | 2010-04-29 |
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