CN1899765B - Device having at least two balance weights, eccentric tool and hand-held tool machine - Google Patents
Device having at least two balance weights, eccentric tool and hand-held tool machine Download PDFInfo
- Publication number
- CN1899765B CN1899765B CN2005100849739A CN200510084973A CN1899765B CN 1899765 B CN1899765 B CN 1899765B CN 2005100849739 A CN2005100849739 A CN 2005100849739A CN 200510084973 A CN200510084973 A CN 200510084973A CN 1899765 B CN1899765 B CN 1899765B
- Authority
- CN
- China
- Prior art keywords
- cutter
- axle
- counterweight
- hand held
- held power
- 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.)
- Expired - Fee Related
Links
- 238000000227 grinding Methods 0.000 claims abstract description 58
- 238000003801 milling Methods 0.000 claims description 21
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005477 standard model Effects 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000000295 complement effect Effects 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
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001915 proofreading effect Effects 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- 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
- B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement
-
- 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
- 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
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention is one eccentric cutter as one hand held tool with at least two balance weights. The eccentric cutter is especially one grinding disc for super precise grinding machine. Of the two balance weights, the first one is connected to the shaft of the eccentric cutter, and the second one is integrated inside the eccentric cutter.
Description
Technical field
The present invention relates to a kind of device with at least two counterweights.
The invention still further relates to a kind of grinding dish, it is provided to be used for removably be fixed on a superfine milling machine.
The invention still further relates to a kind of hand held power machine, especially superfine milling machine, have at least one removable eccentric cutter and have at least two counterweights.
Background technology
Proposing, is the two or more counterweights that are used for balance grinding dish of a superfine milling machine equipment.Can avoid thus: the eccentric oscillating movement of grinding dish causes the uncomfortable vibration of housing in superfine milling machine work.Be arranged on the dynamic tilting moment that is subjected at work that counterweight in the Different Plane and that oppose layout each other can additionally reduce hand held power machine by two.
Summary of the invention
The present invention relates to have the device of the counterweight of at least two eccentric cutters that are used for the balance hand held power machine, this off-centre cutter is the grinding dish of a superfine milling machine especially.
The present invention proposes: first counterweight is connected with the axle of eccentric cutter and second counterweight is integrated in this off-centre cutter.Can reach thus, the quality of counterweight and position accurately adapt to the distribution of eccentric cutter and quality thereof; And the type ground that the housing of hand held power machine can not rely on the rabbet joint type cutter of use at work keeps friction at least to a great extent.
At this, as eccentric cutter, can be that the technical staff thinks significant any cutter, it is provided to be used for being directed on the track of an off-centre at the hand held power machine duration of work.
The solution of the present invention can particularly advantageously be used on the grinding dish of superfine milling machine, because this grinding dish carries out oscillating movement with high relatively frequency, this oscillating movement can cause making the uncomfortable vibration of people on the housing of superfine milling machine.This vibration at last also can be shortened the service life of superfine milling machine.
Second counterweight can be connected with eccentric cutter regularly or be configured to adjustable in principle.But the taring by adjustable counterweight implement device on the superfine milling machine of the grinding layer that can equip Different Weight on the grinding dish especially.
Described counterweight for example can constitute like this, promptly the parts of the parts that are connected with driving shaft, especially eccentric cutter and the Mass Distribution of counterweight do not have imbalance, thus when hand held power machine free-running operation, be eccentric cutter when not contacting with workpiece, the housing of hand held power machine keeps friction at least basically.But also can consider the configuration that the present invention is such, the distribution by counterweight in these configurations can make by eccentric cutter and be compensated at least in part from the oscillating force that workpiece is delivered on the machine hand tool housing.
Propose in a configuration of the present invention, eccentric cutter is provided to be used for driven prejudicially.When being provided with the axle bearing unit that is used for being connected with the driving shaft of eccentric motion, eccentric cutter especially is provided to be used for being driven prejudicially.In the case, in this respect any cycle and quasi-periodic motion, oval, cycloidal or be called as eccentric motion for example by the motion that the circular motion stack of two different frequencies obtains.At this, can be understood that also that for " setting " " design " reaches " equipment ".
Propose in addition, eccentric cutter is provided to be used for removably be fixed on hand held power machine.Especially under replaceable, the dismountable situation of eccentric cutter, be necessary for the comfortableness work of hand held power machine with the adaptive counterweight of a kind of model of eccentric cutter or a kind of weight.Can avoid an equilibrium process relevant by the solution of the present invention, and can realize the vibrationless to a great extent work of electric tools by a plurality of eccentric cutters with different centers of gravity and/or weight with the replacing of eccentric cutter.
If eccentric cutter is configured to the grinding dish of a superfine milling machine, the inertia weight of this grinding dish is also wanted the granularity of adaptive employed abrasive sheet or employed sand paper.In the case, the present invention program's advantage especially can be used in combination with the superfine milling machine with removable grinding dish.
When second counterweight is set between the grinding layer maintenance face of an axle bearing unit and grinding dish, then can realize having an advantageously configuration of the firm especially structure of the counterweight of conductively-closed.
Do not have when being connected by axle bearing unit and axle when second counterweight with relatively rotating, then can obtain between counterweight and the axle reliably, being connected of can throwing off, a bearing unit can be delivered to torque in the counterweight from axle thus.The axle bearing unit is rotatably supported in the effect that part on the eccentric cutter plays attaching parts in the case, it for example is the internal support ring of a bearing unit, and this bearing unit can particularly advantageously constitute as sliding bearing, ball bearing or rolling bearing.
If this device comprises at least one first counterweight, this counterweight is connected with the axle of hand held power machine, then can be advantageously with the eccentric cutter coupling of a fixing counterweight-it and standard model-be integrated in the hand held power machine regularly, this counterweight that is integrated in the eccentric cutter of plug-in type is a correction counterweight thus, its representative is with respect to the balance correction of standard model, thus it can be easily and cost be configured suitably.Especially advantageously select the model of so eccentric cutter as the standard model, promptly it is the model with maximum number of packages productions or use.In the case, in order to save parts second counterweight is molded on the fan impeller of hand held power machine.
In addition, the invention still further relates to the grinding dish, it is provided to be used for removably be fixed on a superfine milling machine.
The present invention proposes: this grinding dish comprises an integrated correction counterweight, is used to compensate centrifugal force.This grinding dish especially can use relatively with such superfine milling machine thus, and this superfine milling machine has a counterweight in a basic balance fixing, adaptive another grinding dish model.A superfine milling machine uses grinding dish according to the present invention to reequip and can advantageously realize.
The present invention relates to a kind of hand held power machine, especially superfine milling machine in addition, it has at least one removable eccentric cutter and has at least two counterweights.
The present invention proposes: first counterweight is connected with the axle of hand held power machine and second counterweight is integrated in the eccentric cutter at least in part.If the eccentric cutter of various models respectively comprises the counterweight of the concrete Mass Distribution that adapts to employed grinding dish, then advantage of the present invention especially can be used relatively with the hand held power machine of the eccentric cutter of the various models that comprise a complete series.
Description of drawings
Other advantage can obtain from following the description of the drawings.Express embodiments of the invention in the accompanying drawings.Accompanying drawing, specification and other application documents have comprised a plurality of features in combination.The technical staff can conform with each feature of destination The effect and be summarized as significant other combination.
Accompanying drawing is represented:
Fig. 1: a superfine milling machine with rabbet joint type cutter,
Fig. 2: the axle that has a fan impeller and a grinding dish and have the superfine milling machine of three counterweights, and
Fig. 3 a: fragment of the grinding dish in axle and Fig. 1 and 2.
The specific embodiment
Hand held power machine 16 that is configured to superfine milling machine of expression among Fig. 1, it has an eccentric cutter that is configured to removable grinding dish 14.This hand held power machine 16 has in addition; A dust collecting container 24; Be arranged on a connection/stopcock 26 on the handle element; And feed cable 28 that has unshowned power supply plug here.Another handle element 30 allows the operator cosily pressure to be applied on the workpiece.
In the housing of hand held power machine 16, be provided with a unshowned motor here, this motor when attaching plug plug and connect/start working when stopcock 26 is connected, reach this motor and have a motor reel, this motor reel can form direct function with an axle 22 (Fig. 2) of hand held power machine 16 and be connected.
Grinding dish 14 has a flat basic configuration, and it is set on a side of the housing opposition of itself and hand held power machine 16 and loads onto removable grinding layer, for example emery paper.But also can consider such invention configuration, wherein be equipped with a lasting grinding layer on the grinding dish 14.
Fig. 2 represents the segment of an eccentric of hand held power machine 16, and this hand held power machine has a fan impeller 32 and axle 22.First counterweight 10 is configured to one with the 3rd counterweight 44 that is located at first counterweight, 10 counter opposition sides and is permanently connected with fan impeller 32 or is integrated on the fan impeller 32.The 3rd counterweight 44 is moved on the axial direction of the main body of hand held power machine 16, to compensate the dynamic tilting moment of relative axle 22.
Described axle 22 has a flattening partially on a free end, this is inserted into it in the groove that is associated of an axle bearing unit 18 that is connected with grinding dish 14 when assembling, do not have the connection that relatively rotates and can throw off to form, the turned position of the bearer ring 40 of 22 relative bearing units of its axis 18 is fixed by this flattening partially.
Also be connected with the main body of hand held power machine 16 at assembly process grinding dish 14 by the swing spring pin (schwingfederbeine) that dismountable part that is clamped and connected fast reaches by flexibility.This swing spring pin allows limited degrees of motion on all directions of grinding dish 14 in being ground dish 14 planes that compress, and is rigidly connected and form on the direction of extending perpendicular to this plane.Can make grinding dish 14 not disassembled with the main body of a spot of hand operated by the instrument restriction by the part that is clamped and connected fast from hand held power machine 16 (werkzeugfrei).
Described axle 22 can be supported rotationally around a rotation 34, and this rotation has moved an eccentric distance 38 (Fig. 3) abreast relative to an axis of symmetry 36.
Fig. 3 represents grinding dish 14 in the assembled state on the main body of hand held power machine 16, has been fitted in the groove of inner bearing collar 40 at this state axis 22.
On the edge of the housing that deviates from hand held power machine 16 of inner bearing collar 40, be provided with one second counterweight 12, the weight of it and grinding dish 14 is complementary, and it below the grinding layer of the band spongy rubber layer by grinding dish 14 keep face 20 can rotate relative to the main body of grinding dish 14 with inner bearing collar 40 isolator with space outerpace.Second counterweight 12 is set between a bearing unit 18 and the grinding layer maintenance face 20 thus.Grinding dish 14 is configured the bivalve layer, is used to form the intermediate space of second counterweight 12 that is used to receive rotation.Second counterweight 12 forms nothings by axle bearing unit 18 or the inner bearing collar 40 by this bearing unit with axle 22 and is connected in relative rotation.
Grinding layer keeps face 20 structures that a layer by the spongy rubber work that about 2mm is thick is arranged.
If axle 22 rotates, the free end that then is engaged in the axle 22 in the inner bearing collar 40 makes grinding dish 14 move along the circular orbit in the plane that extends in grinding dish 14, and the radius of this circular orbit is 3mm, and just in time the eccentric distance 38 by axle 22 provides.This eccentric cutter that is configured to grinding dish 14 can be driven prejudicially thus.
This grinding dish 14 is parts in the series of a plurality of grinding dishes 14 of Different Weight and size, and these grinding dishes respectively are provided with a weight and second an adaptive counterweight 12 of size with corresponding grinding dish 14.Here the standard grinding dish in unshowned, this series is only arranged, and it is produced with maximum number of packages, and this standard grinding dish comes counterweight and cancelled second counterweight 12 by first counterweight 10 fully.The counterweight 12 of the grinding dish 14 of other model is the counterweight of proofreading and correct, and it is provided to be used for the unbalanced difference between compensation standard grinding dish and the corresponding grinding dish 14.
The reference number table
10 counterweights
12 counterweights
14 eccentric cutters
16 hand held power machines
18 axle bearing units
20 grinding layers keep face
22
24 dust collecting containers
26 switches
28 service cables
30 handle elements
32 fan impellers
34 pivot centers
36 axis of symmetry
38 eccentric distances
40 bearer rings
42 bearer rings
44 counterweights
Claims (10)
1. have an eccentric cutter (14) and have at least two counterweights (10 that are used for balance should off-centre cutter (14), 12,44) device, described eccentric cutter is provided to be used for removably be fixed on a hand held power machine (16), wherein, first counterweight (10) is connected with one (22) of this hand held power machine (16), wherein, this off-centre cutter (14) has an axle bearing unit (18) that has an inner bearing collar (40), it is characterized in that: this axle (22) is coupled in assembled state in the groove of this inner bearing collar (40), and wherein second counterweight (12) is set on this inner bearing collar (40).
2. according to the device of claim 1, it is characterized in that: this off-centre cutter (14) is provided to be used for being driven prejudicially.
3. according to the device of claim 1 or 2, it is characterized in that: described eccentric cutter (14) is configured to the grinding dish of a superfine milling machine.
4. according to the device of claim 3, it is characterized in that: the grinding layer that described second counterweight (12) is set at an axle bearing unit (18) and grinding dish (14) keeps between the face (20).
5. according to the device of claim 1 or 2, it is characterized in that: described second counterweight (12) is connected with described axle (22) nothing by a bearing unit (18) with relatively rotating.
6. eccentric cutter (14), it is provided to be used for removably be fixed on a hand held power machine (16), this off-centre cutter has an axle bearing unit (18), this bearing unit has an inner bearing collar (40), it is characterized in that: (22) of described hand held power machine (16) are coupled in assembled state in the groove of this inner bearing collar (40), one of them integrated counterweight (12) is set on the inner bearing collar (40) of this bearing unit (18), is used to compensate centrifugal force.
7. hand held power machine (16) has a main body; Have at least one removable eccentric cutter (14), this off-centre cutter is set for and removably is fixed on this main body, and wherein, this off-centre cutter (14) has an axle bearing unit (18) that has an inner bearing collar (40); Has an axle (22); And have at least two counterweights (10,12), wherein, first counterweight (10) is connected with described axle (22), it is characterized in that: this axle (22) is coupled in the groove of this inner bearing collar (40) in assembled state and second counterweight (12) is set on this inner bearing collar (40).
8. according to the hand held power machine of claim 7, it is characterized in that: this hand held power machine (16) is a superfine milling machine.
9. according to the hand held power machine of claim 7, it is characterized in that: the part that is clamped and connected fast, described eccentric cutter (14) can not be subjected to instrument restrictedly from the main body dismounting down by this part that is clamped and connected fast.
10. according to the hand held power machine of claim 7, it is characterized in that: this off-centre cutter (14) is set for and is driven prejudicially, wherein, be in operation motion prejudicially and should comprise an axle bearing unit (18) by off-centre cutter (14) of described axle (22), described axle (22) is inserted into this bearing unit when this off-centre cutter (14) of assembling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004035859.1 | 2004-07-23 | ||
| DE102004035859A DE102004035859A1 (en) | 2004-07-23 | 2004-07-23 | Device with at least two balance weights |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1899765A CN1899765A (en) | 2007-01-24 |
| CN1899765B true CN1899765B (en) | 2010-12-01 |
Family
ID=34895630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100849739A Expired - Fee Related CN1899765B (en) | 2004-07-23 | 2005-07-22 | Device having at least two balance weights, eccentric tool and hand-held tool machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1899765B (en) |
| DE (1) | DE102004035859A1 (en) |
| GB (1) | GB2417448B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773635A (en) * | 2013-07-12 | 2019-05-21 | 南京德朔实业有限公司 | Hand-held sander |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007007787A1 (en) | 2007-02-16 | 2008-08-21 | Robert Bosch Gmbh | Sanding pad for an eccentric sanding machine |
| DE102008004638A1 (en) * | 2008-01-16 | 2009-07-23 | Robert Bosch Gmbh | Motor driven machine tool |
| CN103350414B (en) * | 2013-02-25 | 2015-12-02 | 覃桂才 | A kind of electric hand tool |
| DE102016219909A1 (en) * | 2016-10-13 | 2018-04-19 | Robert Bosch Gmbh | Hand tool with an eccentric unit |
| DE102017123082A1 (en) * | 2017-10-05 | 2019-04-11 | Vorwerk & Co. Interholding Gmbh | External rotor motor |
| CN109015284B (en) * | 2018-09-21 | 2020-07-17 | 绿美泵业有限公司 | Ceramic rod grinding machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073349A (en) * | 1974-04-17 | 1978-02-14 | Robert H. Siegel | Balanced reciprocating tool driven by rotary motion |
| US4593579A (en) * | 1983-10-06 | 1986-06-10 | Oeszuet Muemin | Processing machine for surface treatment |
| US4729194A (en) * | 1985-05-25 | 1988-03-08 | Festo Kg | Balanced orbital sander/grinder |
| EP0272725A2 (en) * | 1986-12-22 | 1988-06-29 | Guido Valentini | Portable electric tool with balanced orbital movement |
| US4932164A (en) * | 1988-07-13 | 1990-06-12 | Sullivan Glenn F | Counterbalance safety guard for a dual action sander |
| US5206967A (en) * | 1989-12-27 | 1993-05-04 | Makita Electric Works, Ltd. | Electric wax applicator |
| US5888128A (en) * | 1996-05-02 | 1999-03-30 | Robert Bosch Gmbh | Hand grinder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH475826A (en) * | 1968-02-20 | 1969-07-31 | Mets Owerke Kg Closs Rauch & S | Orbital sander |
| US6206771B1 (en) * | 1999-01-25 | 2001-03-27 | Dynabrade, Inc. | Balancer for orbital abrading machine |
| US6974362B2 (en) * | 2002-05-14 | 2005-12-13 | Skf Autobalance Systems Ab | System and method for automatically compensating for unbalanced resistance forces |
-
2004
- 2004-07-23 DE DE102004035859A patent/DE102004035859A1/en not_active Ceased
-
2005
- 2005-07-18 GB GB0514724A patent/GB2417448B/en not_active Expired - Fee Related
- 2005-07-22 CN CN2005100849739A patent/CN1899765B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073349A (en) * | 1974-04-17 | 1978-02-14 | Robert H. Siegel | Balanced reciprocating tool driven by rotary motion |
| US4593579A (en) * | 1983-10-06 | 1986-06-10 | Oeszuet Muemin | Processing machine for surface treatment |
| US4729194A (en) * | 1985-05-25 | 1988-03-08 | Festo Kg | Balanced orbital sander/grinder |
| EP0272725A2 (en) * | 1986-12-22 | 1988-06-29 | Guido Valentini | Portable electric tool with balanced orbital movement |
| US4932164A (en) * | 1988-07-13 | 1990-06-12 | Sullivan Glenn F | Counterbalance safety guard for a dual action sander |
| US5206967A (en) * | 1989-12-27 | 1993-05-04 | Makita Electric Works, Ltd. | Electric wax applicator |
| US5888128A (en) * | 1996-05-02 | 1999-03-30 | Robert Bosch Gmbh | Hand grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773635A (en) * | 2013-07-12 | 2019-05-21 | 南京德朔实业有限公司 | Hand-held sander |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2417448A (en) | 2006-03-01 |
| DE102004035859A1 (en) | 2006-02-16 |
| GB2417448B (en) | 2007-05-23 |
| CN1899765A (en) | 2007-01-24 |
| GB0514724D0 (en) | 2005-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CI01 | Publication of corrected invention patent application |
Correction item: [30] priority (leaked public) Correct: [32]2004.07.23[33]DE[31]102004035859.1 Number: 4 Page: 162 Volume: 23 |
|
| CI02 | Correction of invention patent application |
Correction item: [30] priority (leaked public) Correct: [32]2004.07.23[33]DE[31]102004035859.1 Number: 4 Page: The title page Volume: 23 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: [30]PRIORITY ^(NON-PUBLICITY) TO: [32]2004.7.23[33]DE[31]102004035859.1 |
|
| ERR | Gazette correction |
Free format text: CORRECT: [30]PRIORITY ^(NON-PUBLICITY); [32]2004.7.23[33]DE[31]102004035859.1 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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