CN102510786A - Machine tool, particularly hand-held machine tool - Google Patents
Machine tool, particularly hand-held machine tool Download PDFInfo
- Publication number
- CN102510786A CN102510786A CN2010800424418A CN201080042441A CN102510786A CN 102510786 A CN102510786 A CN 102510786A CN 2010800424418 A CN2010800424418 A CN 2010800424418A CN 201080042441 A CN201080042441 A CN 201080042441A CN 102510786 A CN102510786 A CN 102510786A
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- China
- Prior art keywords
- base plate
- workpiece
- toolroom machine
- respect
- machine
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
Abstract
The invention relates to a machine tool (1), particularly in the form of a hand-held jigsaw (2), which is provided with a detection device (24) by which the placement position of the base plate (4) of the machine tool (1) in relation to the work piece (5, 5') is detected as a target working position.
Description
Technical field
The present invention relates to a kind ofly manage the formula toolroom machine and be used for the operation method of this toolroom machine according to claim 1 toolroom machine as described in the preamble, especially hand.
Background technology
The toolroom machine of the above-mentioned type is with known by DE 10 2,006 052 808 A1 as the structure of thorn saw.Be placed on the workpiece through the base plate with toolroom machine, this base plate extends along the placement plane of workpiece.For the quality-critical of working result is that base plate is in operation and also keeps this placement location.This is particularly useful for following situation: work in service to follow the tracks of for the corresponding work situation predetermined, especially realize tracking to active line at the predetermined active line of workpiece side and with the supportive device of machine side.This possibly be that for the user provides guiding and carrying prompting, the work cutter guiding of user along the working pair machine supported in these guiding and carrying prompting in the sensor type of active line detects.
In addition, when machine moves semi-automaticly, can also further alleviate user's burden.This means: the corresponding work line is not only to be detected and be converted into guiding and carrying prompting; And by also deriving regulating command through the detection to active line in the data that obtain aspect the guiding of toolroom machine, these regulating commands can realize the tracking to the partial automation at least of active line.This can move back and forth takes place through following mode in the thorn saw of the driven saw blade in ground as the work cutter having: saw blade can be around its axis of reciprocation rotation and saw blade according to regulating command alignment and follow the tracks of this active line on active line in its position of rotation.
In such configuration, the thorn saw is called as " Scrolling Jigsaw ".Being used for of providing thus stings the semi-automation work operation of saw and only representes a kind of of these methods of operation, and the thorn saw can move where necessary in this method of operation.Also can realize normal operation in addition, saw blade only can move back and forth when extend on the straight operative orientation of thorn saw on the saw blade plane in normal operation.The 3rd method of operation is represented so-called waving toward complex pattern, this wave use toward complex pattern stack ground and wave in complex pattern saw blade towards the direction additional roll on saw blade plane driven.
For the optical detection apparatus that sets in the orientation on the active line of workpiece side to toolroom machine is causing aspect the good guiding result: what toolroom machine was kept it sits the operating position put on corresponding workpiece face as nominal position with base plate.
To sit this operating position put the base plate on workpiece be important for operating accuracy not only but have; And also be important for job security; Because for example can be used person's control in some cases again and jeopardizing the user thus with respect to the toolroom machine that workpiece lifts, also jeopardizing surrounding environment owing to blocking of cutter.
Summary of the invention
Task of the present invention is, further improves to be used for accurately guiding and reliable handbarrow machine, especially hand and to manage the formula toolroom machine, especially sting the precondition of the toolroom machine of saw form.
This characteristic with claim 1 realizes that dependent claims provides the expanded configuration that conforms with purpose.
Detection with respect to the placement location of workpiece not only is used to according to the present invention monitor the precondition that is used for the works fine result but also be used to monitor the precondition that is used for the toolroom machine reliably working to the toolroom machine base plate; When leaving the cutter base plate, also intervene the machine operation when needed, for example through turn-offing machine with respect to the stable placement location of workpiece.Only in placement location, guarantee: the cutter on the workpiece is also cut in the workpiece in the angle position of cutter with respect to base plate that machine side adjusts at each.Also allow---especially replenishing ground---to monitor the angle position between workpiece and the base plate through detecting the mark that upward is provided with at base plate (as slide) in the corresponding way, said mark can be realized the detection to the angle position that is different from initial position from dead-center position or other the predetermined angle as initial position.This possibly be particularly advantageous in and cut sth. askew.
In addition, base plate is not to use precondition necessity, the stable guiding supported of person to toolroom machine with respect to the placement location of workpiece yet.If leave placement location, then not only lost the orientation that causes through placement location, and lost his the applying of the confining force that is used for toolroom machine thus with respect to workpiece for the user.This has also increased following risk: cutter, the thorn saw saw blade that for example stings in the saw block with respect to workpiece, and this causes being difficult to the anti-force of control and also possibly damaging job security significantly thus in user's side.
Through the relevant detection device to the detection of base plate with respect to the placement location of workpiece; Forming a kind of good and also fairly simple solution thus influences toolroom machine, especially hand and manages formula toolroom machine, the working result of thorn saw for example, can utilize device machinery or optics as detecting unit especially for this reason.
If use optical detection unit; Then can in the demonstration of the control chart picture of workpiece side, discern the deviation that causes with respect to the variation of the position of workpiece along with base plate through the detecting unit that is arranged on machine side, these deviations provide base plate the location corresponding prompting and the prompting of machine with respect to the location of workpiece is provided thus.Corresponding contents also be applicable to base plate and and the machine construction that is pivotably connected of base plate between the detection of variation of angle position.
Such control chart picture is can be especially given through this picture on surface in the picture on surface of the rule of workpiece.Look detecting unit and decide with respect to the directed of workpiece and distance, the display change that this detection arrives is exactly according to the change of corresponding visual angle.
When needed and preferably also through being projected in the image construction on the surface of the work, but checkout gear is provided with optical projection unit and the optical detection unit that is used for the control chart picture of projection on the placed side of workpiece to be processed to such control chart for this reason in scope of the present invention.The images displayed comparison of the control chart picture that obtains being in operation accordingly looks like to carry out with respect to a control chart as benchmark; This benchmark is set up in respect to given, the correct placement location of workpiece and is kept fixing at the toolroom machine base plate, for example through the study in the incipient stage of corresponding processing be arranged on fixing in the image comparison means in detecting unit downstream.
Especially with the pattern that uses workpiece side or mark as control chart picture and control chart picture change relatively with respect to the position of workpiece placed side with base plate, more detected demonstration combines for image; Also be proved to be where necessary conform with purpose be: the projection arrangement that uses as light source is respectively with light work; This light is in that contrast is worked in the special wave band that clearly mode shows, for example with light in visible waveband or the light work in invisible wave band.
Particularly advantageously be; In toolroom machine, will be used for the placement location of the base plate of testing tool machine with optical detection unit and the checkout gear of also working when needed with optical projection unit with respect to workpiece; The thorn saw of this toolroom machine, for example semi-automatic operation has been handled with the Optical devices, for example video camera or the sensing device work that are used to detect predetermined active line and through signal detected result has been converted into the regulating command that is used for rotatable saw blade, because in so pre-configured toolroom machine, can utilize existing optical detection apparatus and the treating apparatus that is arranged on downstream for the toolroom machine base plate at least in part with respect to the detection of the placement location of workpiece.
Be used for detecting base plate and also drop on scope of the present invention to have with respect to the checkout gear work of the mechanical detection unit of the position of the placed side of workpiece side.Such detecting unit especially can setting and power and/or path work relatively, detect base plate with respect to the spy of the distance and position of the placed side structure of having a sudden inspiration.Even if in this solution; The result who detects not only can be converted into the prompting that is used for the user, for example show through alarm signal and/or display; And can be used in the control of intervention to the drive unit of toolroom machine, for example so as to change the number of strokes in the thorn saw and/or wave stroke or also in the dangerous situation of corresponding identification so that turn-off drive unit.
Description of drawings
Other advantage is drawn by claim, description of drawings and accompanying drawing with the embodiment that meets purpose.Shown in it:
Fig. 1 illustrates the demonstration according to the strong signalization of the toolroom machine of thorn saw form hand-held of the present invention, electrically driven (operated), and it is provided with optical detection apparatus in the front side, and this optical detection apparatus has the detecting unit and the projecting cell of the characteristic that is used for workpiece side,
The image of the strong signalization of the part of Fig. 2 surface of the work shows, extends through this part and control chart looks like to be projected on this part at the active line that the cutter side will be followed the tracks of,
Fig. 3 sketch map, wherein show change that the change with respect to the location of workpiece of base plate of control chart picture obtains relatively and
The sketch map of Fig. 4 mechanical detection unit.
The specific embodiment
The example of managing formula toolroom machine 1 as hand according to the present invention is at the saw of thorn shown in Fig. 12.The housing 3 of this thorn saw 2 is connected, preferably is centered around the axis 12 that extends on the operative orientation and is pivotably connected so that regulate angle of chamfer with base plate 4, and is supported on movably on the workpiece 5 through base plate 4.This thorn saw 2 is provided with the work cutter 7 of saw blade 8 forms in its front area about operative orientation 6, this saw blade remain in the tool fitting 9 and on vibration-direction 10 adjustable ground driven.Saw blade 8 can also rotate according to arrow 17 through rotating driving device around its rotation that on vibration-direction 10, extends 11.Drive unit 13 is positioned at saw blade 8 and is illustrated dorsally, through this drive unit can make saw blade 8 around unshowned, transverse to the rotation 11 and the axis of oscillation swing of extending transverse to operative orientation 6.
Thorn saw 2 is owing to the structure of describing can be moved in the different methods of operation.Wherein a kind of method of operation is normal operation, and saw blade 8 is directed on operative orientation 6 with its saw blade plane reservation in normal operation.The another kind of method of operation is the so-called reciprocal operation of waving, wave reciprocal saw blade in service 8 with the mode that moves back and forth (vibration-direction 10) stack around unshowned, unsteadily move by drive unit 13 transverse to rotation 11 and the axis of oscillation that extends transverse to operative orientation 6.
In the 3rd method of operation, utilized saw blade 8 around rotatability and the thorn saw 2 of rotation 11 on the direction of arrow 17 as so-called " Scrolling Jigsaw " in semi-automatic operation in service.This means: the user who grips thorn saw 2 only bears the support of the thick orientation on active line 14 to be tracked, that in Fig. 2, represent basically and bears the feeding of stinging saw 2, but the thorn saw 2 accurate guiding along active line 14 realize through rotation adjusting (arrow 17) and the aligning of saw blade 8 on active line 14.
In order to turn on and off, thorn saw 2 is provided with switching device 15, and the switching between the various methods of operation realizes through switching device shifter 16.
In the zone of front side 18; The housing 3 of thorn saw 2 is provided with above outstanding, nose shape the forward convexity 19 of saw blade 8 and saw blade receiving system 9, and this convexity retraction ground is provided with the display 20 that is used in user's side information to be illustrated at upside on the front of front side 18.Downside protruding 19 symbolically illustrates receiver window 21, in this receiver window as the parts of checkout gear 24 symbolically Display projector unit 22 and detecting unit 23.When needed, in the zone of window 21, also can also be provided with unshowned, especially be integrated in light source in the projecting cell 22, can illuminate through the otch in the base plate 4 27 through this light source and surround the working region that is used for saw blade 8 of gauges.This working region is also observed through sensing device and observed result shows on display 20 as the prompting of giving the user when needed and/or be converted into the regulating command that is used for the directed of saw blade 8 and/or drives according to the method for operation through computing unit of expressing 25 and the analyzing and processing that is arranged on downstream and control module 26.
In scope of the present invention, detect the sensing device of the working region of saw blade 8, it constitutes through video camera when needed, also can combine with detecting unit 23.The result of detecting unit 23 can handle through computing unit 25 and analyzing and processing and control module 26 equally; Wherein, For example can on display 20, show or also can intervene driving according to the result to thorn saw 2; For example, perhaps regulate and intervene saw blade 8, for example change the reciprocating motion quantity of saw blade or intervene the reciprocal driving of waving of saw blade so that thorn saw is automatically shut down.
Fig. 2 shown in the vertical view workpiece 5 as on the upside of the placed side of base plate 4, have a part through the active line in face zone, this active line is through aforesaid sensing device, for example the line by line scan sensing device of sensor or video camera form detects and next is used for thorn saw 2 guiding by analyzing and processing ground.
Fig. 2 also illustrates control chart as 28 exemplary demonstration---at this by a cross hairs that is surrounded by the ellipse of longitudinal stretching; In the nominal operation position when base plate 4 is placed on the bearing-surface of workpiece 5, at toolroom machine, this control chart picture is projected on the bearing-surface of workpiece 5 through projecting cell 22.As 28 circle, the especially circle of the cross hairs under having can be set also as control chart, wherein, can show angular error and inclination in an advantageous manner as the fenestra of control chart picture; This representes through its distortion to ellipse.
In the explanatory view according to Fig. 3, this situation further illustrates under the situation of using present Reference numeral simplifiedly.In Fig. 3, add to be illustrated in respect to base plate 4 wants workpiece 5 in the position of spacing distance as workpiece 5 ' additionally.Control chart as 28 projections on workpiece 5 or 5 ' through showing from the projected light beam of projecting cell 22 29.Run into the placed side of workpiece side if projected light beam 29 is placed to 5 last times of workpiece at base plate 4, the control chart picture with among Fig. 2 of then controlled image 28 shows that (nominal image) is corresponding and shows.If projected light beam 29 run into workpiece with respect to the workpiece 5 ' in the position of base plate 4 spacing distances, then obtain with respect to as that change and/or distortion the in size demonstration of the control chart of nominal image as 28 demonstration, especially the control chart pictures that change.Especially when projected light beam 29 extends with respect to the placed side angledly.Control chart detects through detecting unit 23 as 28 ' the difference between the demonstration on the workpiece 5 ' and can be converted into corresponding regulating command through computing unit 25 and the analyzing and processing and the control module 26 that are located at downstream at the demonstration on the workpiece 5 and control chart as 28, for example is used to turn-off the driving to saw blade 8.
In the solution according to invention, base plate 4 can also be measured through being displaced sideways of pattern projection, that form the control chart picture through distortion and in according to the characteristic of Fig. 3 with respect to the change of the distance and position on the surface of workpiece 5.Initial situation promptly has the normal operation position of the base plate 4 on the placed side that is placed on workpiece 5, is identical for the quality of working condition, and the position of projecting cell 22 is confirmed through machine construction.Therefore, with base plate 4 with respect to workpiece 5, as the corresponding control chart of the placement location of nominal position as fixed storage ground by predetermined.But also there is such possibility in principle, promptly when base plate 4 is placed on the workpiece, movement images is learnt and then be used as to the control corresponding image as the nominal image that is used to the process of starting working.
The relation that is arranged on the base plate 4 or is projected on the base plate 4 as 28 and---through swing---when in detected control chart picture shows, occurring to judge the angle position and judging the change of angle of chamfer thus, obtain accordingly through changing the angle position of housing 3, combine Fig. 1 to find out by Fig. 3 when control chart around axis 12 with respect to base plate 4.
Fig. 4 illustrates the part that is connected with the mechanical detection unit 30 of checkout gear 24 in front side zone of base plate 4 as according to another kind of solution of the present invention with sketch map.Detecting unit 30 constitutes through have a sudden inspiration structure 31 of spy; This spy is had a sudden inspiration that structure is configured to can to swing or otherwise can be supported on with moving back and forth as arciform spring on the upside of base plate 5 and is passed the otch 32 of base plate 4 with its back, makes to be placed on workpiece 5 last times back support arciform, that form the spring of visiting the structure 31 of having a sudden inspiration (Fig. 4 top) on workpiece 5 at base plate 4.If the workpiece with 5 ' expression gets in the position with respect to base plate 4 spacing distances now; Then visiting the structure 31 of having a sudden inspiration is especially supported towards being directed downwards of workpiece 5, is that section ground passes otch 32 and swings by its spring; Detection signal can be accessed again thus, the prompting (Fig. 4 below) that is used for the user can be exerted an influence or can obtain at least to the control of toolroom machine 1 through this detection signal.Spy have a sudden inspiration structure 31 corresponding swing and/or move back and forth and can measure and/or distance measurement detects through Hall element and/or electric capacity or sensing element through power.
For projecting cell 22, in scope of the present invention, also consider to be different from the light source of visible waveband when needed for enhancing contrast ratio.Preferably, use traditional light source for example lamp, LED or laser instrument from the cost reason.
Claims (14)
1. toolroom machine, especially hand are managed formula toolroom machine (1); It has checkout gear (24) and base plate (4); Through said base plate with the given nominal position that is used for said toolroom machine (1) of the mode on the face that is placed on workpiece to be processed (5); It is characterized in that said checkout gear (24) is configured to detect and/or check through the given said nominal position of the placement location of said base plate (4).
2. according to the toolroom machine of claim 1, it is characterized in that said checkout gear (24) has and is used for detecting the optical detection unit (23) of given control chart picture (28) on the placed side of said workpiece to be processed (5) respectively.
3. according to the toolroom machine of claim 2, it is characterized in that said control chart picture (28) is predetermined through the surface texture of the placed side of the structure of said workpiece (5), especially said workpiece to be processed (5).
4. according to the toolroom machine of claim 1 or 2; It is characterized in that; Said checkout gear (24) has optical projection unit (22) and optical detection unit (23), and this optical detection unit is used for detecting through said projecting cell (22) and is projected in the control chart picture on the placed side of said workpiece to be processed (5) respectively.
5. according to the toolroom machine of claim 4, it is characterized in that said projecting cell (22) is with the light work in visible waveband.
6. according to the toolroom machine of claim 4, it is characterized in that said projecting cell (22) is with the light work in invisible wave band.
7. according to each toolroom machine in the above claim, it is characterized in that, downstream set the image comparison means at said optical detection unit (23).
8. according to the toolroom machine of claim 1, it is characterized in that said checkout gear (24) has and is used to detect the mechanical detection unit (30) of said base plate (4) with respect to the position of the placed side that is used for said base plate (4) of workpiece side.
9. according to Claim 8 toolroom machine is characterized in that, said detecting unit (30) has with power and/or distance and detects said base plate (4) relatively with respect to the spy of the distance and position of the placed side of the workpiece side structure (31) of having a sudden inspiration.
10. according to each toolroom machine in the above claim, it is characterized in that, downstream set computing unit (25) and/or analyzing and processing and control module (26) at said detecting unit (23,30).
11. toolroom machine, especially hand are managed formula toolroom machine (1); Especially according to each or multinomial toolroom machine in the claim 1 to 10; It has checkout gear (24) and base plate (4); Machine case (3) is supported swingably so that regulate angle of chamfer with respect to said base plate; It is characterized in that the checkout gear (24) that is provided with in case side is configured to detect and/or check the nominal position between housing (3) and the base plate (4) through the demonstration relevant with said angle of chamfer of the control chart picture that is applied in of observing the base plate side that said nominal position is corresponding to predetermined angle of chamfer.
Manage formula toolroom machine (1) 12. be used for running tool machine, especially hand; Especially according to the method for each or multinomial toolroom machine in the above claim; Said toolroom machine has the recline definite placement location of base plate (4) on said workpiece (5) through said toolroom machine with respect to difference workpiece (5) to be processed; It is characterized in that, in the placement of said toolroom machine (1) and/or optically in service and/or mechanically monitor the placement location of said base plate (4) with respect to said workpiece (5).
13. the method according to claim 12 is characterized in that, visits to touch through machinery and monitors the placement location of said base plate (4) with respect to said workpiece (5).
14. method according to claim 12; It is characterized in that, monitor the placement location of said base plate (4) as follows: monitor the detected demonstration in the placement location of said base plate (4) of said control chart picture to the change that in the demonstration of control chart picture, obtains with respect to the change of the distance and position of said workpiece (5) with respect to said workpiece (5) along with said base plate (4) with respect to said workpiece (5) with the mode of image comparison.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009044916.7 | 2009-09-23 | ||
| DE200910044916 DE102009044916A1 (en) | 2009-09-23 | 2009-09-23 | Machine tool, in particular hand-held machine tool |
| PCT/EP2010/060840 WO2011035950A1 (en) | 2009-09-23 | 2010-07-27 | Machine tool, particularly hand-held machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102510786A true CN102510786A (en) | 2012-06-20 |
Family
ID=43067069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800424418A Pending CN102510786A (en) | 2009-09-23 | 2010-07-27 | Machine tool, particularly hand-held machine tool |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2480365A1 (en) |
| CN (1) | CN102510786A (en) |
| DE (1) | DE102009044916A1 (en) |
| WO (1) | WO2011035950A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140005807A1 (en) * | 2012-06-29 | 2014-01-02 | Black & Decker Inc. | System for Enhancing Operation of Power Tools |
| DE102014219571A1 (en) * | 2014-09-26 | 2016-03-31 | Robert Bosch Gmbh | Battery-powered hand tool machine with at least one first housing part |
| DE102017129809A1 (en) * | 2017-09-29 | 2019-04-04 | Festool Gmbh | Mobile machine tool |
| DE102017129813A1 (en) | 2017-09-29 | 2019-04-04 | Festool Gmbh | Mobile machine tool |
| US11648616B2 (en) * | 2019-12-20 | 2023-05-16 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| JP7142247B2 (en) * | 2020-06-30 | 2022-09-27 | パナソニックＩｐマネジメント株式会社 | Tool system, tool, work object identification system, work object identification method and program |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19806032A1 (en) * | 1998-02-13 | 1999-09-16 | Ferdinand Kuefner | Drill angle detector head with visual check indicator |
| DE10026357A1 (en) * | 2000-05-27 | 2002-01-31 | Martin Argast | Optoelectronic device used with hand drilling machine, determines and displays structural and geometry data of object surface |
| DE102006005410A1 (en) * | 2006-02-03 | 2007-08-09 | Circle Gmbh Engineering Solutions | Material processing tool e.g. circular saw, has auxiliary device measuring machining depth, length and/or angle, and motor drive automatically deactivated during obtaining preset depth and length and/or deviation of tool from preset angle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10340426B4 (en) * | 2003-09-02 | 2005-12-22 | Martin, Hans, Dipl.-Ing. | Hand-operated machine tool |
| DE102006052808A1 (en) | 2006-11-09 | 2008-05-15 | Robert Bosch Gmbh | hand-held jigsaw |
-
2009
- 2009-09-23 DE DE200910044916 patent/DE102009044916A1/en not_active Withdrawn
-
2010
- 2010-07-27 EP EP10737559A patent/EP2480365A1/en not_active Withdrawn
- 2010-07-27 CN CN2010800424418A patent/CN102510786A/en active Pending
- 2010-07-27 WO PCT/EP2010/060840 patent/WO2011035950A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19806032A1 (en) * | 1998-02-13 | 1999-09-16 | Ferdinand Kuefner | Drill angle detector head with visual check indicator |
| DE10026357A1 (en) * | 2000-05-27 | 2002-01-31 | Martin Argast | Optoelectronic device used with hand drilling machine, determines and displays structural and geometry data of object surface |
| DE102006005410A1 (en) * | 2006-02-03 | 2007-08-09 | Circle Gmbh Engineering Solutions | Material processing tool e.g. circular saw, has auxiliary device measuring machining depth, length and/or angle, and motor drive automatically deactivated during obtaining preset depth and length and/or deviation of tool from preset angle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2480365A1 (en) | 2012-08-01 |
| DE102009044916A1 (en) | 2011-04-07 |
| WO2011035950A1 (en) | 2011-03-31 |
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Application publication date: 20120620 |