WO2016066294A1 - Grinding machine having at least one first housing part - Google Patents
Grinding machine having at least one first housing part Download PDFInfo
- Publication number
- WO2016066294A1 WO2016066294A1 PCT/EP2015/067950 EP2015067950W WO2016066294A1 WO 2016066294 A1 WO2016066294 A1 WO 2016066294A1 EP 2015067950 W EP2015067950 W EP 2015067950W WO 2016066294 A1 WO2016066294 A1 WO 2016066294A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinder
- housing part
- grinding device
- designed
- light
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
Definitions
- Grinder with at least one first housing part
- the invention relates to a grinding device with at least one first housing part. State of the art disclosure of the invention
- the grinding device according to the invention with the features of the independent claim is equipped with at least one first housing part, wherein the first housing part comprises at least one motor housing part and at least one handle portion.
- the handle portion is formed as a handle or serves an operator of the grinder as a handle.
- the term "handle" is intended to mean a component around which at least one hand of the operator can be placed to guide the sander.
- At least one machining tool holder is intended to be
- the machining tool holder is a sanding pad. In a further embodiment of the invention is the
- the Machining tool holder a tool spindle.
- the machining tool is an abrasive for surface machining a workpiece such as abrasive paper or the like.
- the machining tool is a grinding, roughing or cutting disc.
- the motor housing part is connected to the machining tool holder.
- On a side facing the machining tool holder is advantageously at least one lighting device on
- the lighting device is intended, particularly advantageous at least one tool-like environment such as a
- the lighting device comprises at least one
- Light source and at least one light guide are particularly advantageous to transport light from a light source by means of a light guide and to illuminate a tool-near environment.
- optical information is projected onto the tool-near environment or the workpiece.
- the light guide is designed as a light clip. In a further advantageous embodiment, the light guide is designed as a closed light guide.
- the light can illuminate the tool-near environment even at an angle of 360 °.
- the light source has at least one LED.
- the light source has a multiplicity of LEDs.
- the LEDs can be provided in various designs and sizes.
- the LEDs can be arranged in various shapes on the motor housing part.
- the lighting device may be provided to provide the operator of the grinder with an indication relating to the parameters of the grinder.
- the display of the parameters of the grinding device can be realized, for example, by the following display options:
- a geometric extension of the illumination device is defined by a width gauss.
- the width b Be ieuchtung 1.5 to 12.0 mm, particularly 2.0 to 8.0 mm, but preferably 3.0 to 6.0 mm.
- advantageously enough light can be emitted.
- An important parameter in the present embodiment provides a geometric extension of the lighting device in a height h Uc ht.
- the height Hucht defines how much area of the tool surrounding area is illuminated.
- the height h is between 10 and 100mm, especially between 20 and 35mm.
- the height h Uc is ht but 25mm.
- the grinding device is designed as a battery-operated grinding device.
- the grinding device is as
- the grinding device is as
- the grinding device is designed as an angle grinder.
- the grinding device is designed as a straight grinder. In a further particularly advantageous embodiment, the grinding device is designed as an oscillating multitool.
- a lighting device module is provided for use in a sander.
- Figure 4 shows a fourth embodiment of the invention
- Figure 5 shows a fifth embodiment of the invention
- FIG. 6 shows a sixth embodiment of the invention
- Figure 7 shows a seventh embodiment of the invention
- FIG. 8 shows an eighth embodiment of the invention
- FIG. 9 shows a ninth embodiment of the invention
- a first housing part 12 comprises a motor housing part 18 and a handle region 16.
- the handle region 16 is designed as a handle 18 or serves an operator of the grinding device 10 as a handle.
- the term "handle" is intended to mean a component around which at least one hand of the operator can be placed in order to guide the grinding device 10.
- a not-shown electric motor drive is arranged in the motor housing part 14.
- the electromotive drive is preferably realized as an electronically commutated electric motor.
- the electronically commutated electric motor drives a machining tool holder 20 via an output shaft, which is connected via an eccentrically arranged bearing with a support shaft.
- the machining tool holder 20 of the grinder 10 is in
- Embodiment a sanding pad, at the bottom of a
- Processing tool 21 for example, an abrasive for
- Lighting device 22 is disposed on the motor housing part 14.
- the motor housing part 14 in this case has a maximum natural messenger
- Lighting device 22 is arranged along a housing circumference at the maximum diameter.
- the lighting device 22 is to
- a tool-related environment 24 is a working field
- Lighting device 22 can both illuminate a working field 24, and can project optical information to the environment.
- Lighting device 22 is in this case on a
- the lighting device 22 may be connected to the motor housing part 14 by gluing, snapping, clamping, clipping or the like.
- the illumination device comprises an optical waveguide 28.
- the optical waveguide 28 is a transparent element which transports data or optical information in the form of light.
- the light guide 28 is designed in FIG. 1 as a light clip.
- FIG. 2 shows a grinding device 10, to the motor housing part 14 of which a lighting device 22 designed as a closed light guide 28 is arranged.
- the light source is a variety of LEDs.
- the LEDs can by means of
- the LEDs can also be designed as SMD LEDs.
- the light emitted by the light source may have different colors. That from the light source emitted light may vary in brightness.
- the light emitted by the light source may be a flashing light that periodically changes the brightness.
- the material of the light guide 28 is chosen such that a possible
- the distribution of the light 30 is shown by way of example in FIGS. 1 and 2.
- the light is emitted at an angle a of at least 60 °, in particular 120 °, in particular 180 ° and preferably 270 °, into the environment 24 close to the tool.
- the angle a has his
- Vertex P in the center of the image plane of an observer, when viewed from the
- Machining tool 21 looks starting on the machining tool holder 20.
- Figure 2 shows an arrangement in which the light is emitted at an angle a, which is 360 °.
- a geometric extension of the illumination device 22 is defined by a width of the illumination.
- the width b Be ieuchtung is 1.5 to 12.0 mm, particularly 2.0 to 8.0 mm, but preferably 3.0 to 6.0 mm.
- a luminous flux 32 is the
- Lumen is the unit of luminous flux and indicates the radiated power per second in the visible light wavelength range. This light is emitted at angle a.
- a distance h Uc ht the illuminance 34 can be calculated on the ground or in the environment 24 near the tool.
- Illuminance 34 is given in lux. About simulation or
- Calculation can be a diameter d Uc ht a resulting light cone 36 and thus an illuminated area A Uc ht be determined. In the case that If several LEDs are used, overlapping of the illuminated areas occurs.
- the height h Uc ht defined, how much area of the tool surrounding area is 24 lights up.
- the height h Hucht extends from the center of the width b of Be ieuchtung
- the height h is between 10 and 100mm, especially between 20 and 35mm.
- the height h is 25 mm.
- the surface of the light guide 28 is designed such that there is a largely uniform diffuse light emission.
- the surface of the optical waveguide 28 may also have a structure in some areas, which has a targeted
- Leakage ensured such as a rib structure.
- Other areas of the surface of the light guide 28 may be coated so that the light in these areas is inhibited in the exit. Thus, a targeted light emission can be achieved.
- the grinder 10 is as
- a rechargeable battery 40 serves as a power source for the battery powered sander 10.
- the rechargeable battery 40 is mounted on the handle portion 16 with the rechargeable battery 40 largely integrated with the handle portion 16.
- the insertion direction of the rechargeable battery 40 in this case runs essentially coaxially to a main extension direction x of the battery-operated grinding device 10.
- the nominal battery voltage is in a range between 3.6 and 36 V, in particular between 7.2 and 18 V.
- the battery voltage is preferably 10.8 V.
- the values of the battery voltage do not take into account possible battery voltage fluctuations.
- the charging voltage can, for example higher than 10.8 V, while in operation of the battery-powered grinder 10, the voltage drops to less than 10.8V.
- the rechargeable battery 40 consists in particular of lithium ion battery cells.
- the rechargeable battery 40 includes one or more rows of battery cells, which in turn are connected in parallel and / or in series with each other.
- Each individual cell has a length of about 65 mm and a diameter of about 18 mm. But it is also conceivable that a cell has a length of 65 to 70 mm and a diameter of 14 to about 20 mm. These specifications take no account of possible manufacturing tolerances.
- Lithium ion batteries are characterized by a high energy density and thermal stability even at high loads, which means high performance. Another big advantage is the low self-discharge, which also means that the batteries are ready for use even with longer service lives. From these advantages, the advantages of the invention
- the battery-powered grinder 10 in its dimensions on the one hand can be small and compact and on the other hand brings high performance.
- the rechargeable battery 40 consists of lithium-air cells, lithium-sulfur cells, lithium polymer cells or the like. Furthermore, the rechargeable battery 40 may be realized in a different geometric embodiment than shown, such as a square design.
- the rechargeable battery 40 is embodied in the exemplary embodiment in FIGS. 1 and 2 as an exchangeable rechargeable battery 40. However, it is also conceivable that the rechargeable battery 40 is designed as an integrated unit.
- the grinding device 10 is considered to be mains-operated
- Grinder designed. At the handle portion 16 of the grinder 10 is a not fully shown power cord 42 attached. In the exemplary embodiment in FIG. 3, the power cable 42 serves as an energy source for the grinding device 10.
- a switching element 44 is, as shown in Figures 1 to 3, on
- the switching element 44 may be designed as a toggle switch, as a slide switch, as a button or the like. But it is also conceivable that the switch as
- Deadman switch or as a paddle switch in the handle portion 16 is executed.
- a lock can fix the switching element 44 in an on position. Upon actuation of the switching element 44, the grinder 10 is turned on.
- the grinding device 10 is designed as an eccentric sander.
- FIG. 4 shows the grinding device 10 designed as a battery-powered angle grinder.
- FIG. 5 shows the grinding device 10 designed as a mains-operated angle grinder.
- FIG. 6 shows the grinding device 10 designed as a battery-powered straight grinder.
- FIG. 7 shows the grinding device 10 as a mains-powered straight grinder
- FIG. 8 shows the grinding device 10 designed as a battery-operated multitool.
- FIG. 9 shows the grinding device 10 designed as a mains-operated multitool.
- FIG. 10 shows a lighting device module 100 for use in a sander 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177011392A KR20170074890A (en) | 2014-10-27 | 2015-08-04 | Grinding machine having at least one first housing part |
EP15747467.7A EP3212359B1 (en) | 2014-10-27 | 2015-08-04 | Grinding machine having at least one first housing part |
JP2017521093A JP2017531567A (en) | 2014-10-27 | 2015-08-04 | Grinding machine having at least one first housing part and lighting device module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014221760.1A DE102014221760A1 (en) | 2014-10-27 | 2014-10-27 | Grinder with at least one first housing part |
DE102014221760.1 | 2014-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016066294A1 true WO2016066294A1 (en) | 2016-05-06 |
Family
ID=53783739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/067950 WO2016066294A1 (en) | 2014-10-27 | 2015-08-04 | Grinding machine having at least one first housing part |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3212359B1 (en) |
JP (1) | JP2017531567A (en) |
KR (1) | KR20170074890A (en) |
DE (1) | DE102014221760A1 (en) |
WO (1) | WO2016066294A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018104797U1 (en) * | 2018-08-21 | 2019-11-26 | Robert Bosch Gmbh | Hand tool |
US11835217B2 (en) * | 2021-05-06 | 2023-12-05 | Black & Decker Inc. | Light emitting assembly for a power tool |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4318980A1 (en) * | 1993-06-08 | 1994-12-15 | Apag Elektronik Ag Duebendorf | Display device |
WO1999002310A2 (en) * | 1997-07-10 | 1999-01-21 | Avos Developments Limited | Illumination for power tools |
US20030042803A1 (en) * | 2001-08-30 | 2003-03-06 | S-B Power Tool Company | Electric-motor rotary power tool having a light source with a self-generating power supply |
US20050044728A1 (en) * | 2003-08-26 | 2005-03-03 | Credo Technology Corporation | Power hand tool right angle attachment having a light source with a self-generating power supply |
GB2429181A (en) * | 2005-08-19 | 2007-02-21 | Bosch Gmbh Robert | Hand-held grinding tool with illumination means |
DE102012216600A1 (en) * | 2012-09-18 | 2014-04-10 | Robert Bosch Gmbh | Article cap for placing e.g. bulb, in screw driver, has interface arranged in tool adapters, and light conductor element providing light to LED and working surface, where light conductor element is made from transparent material |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6132301A (en) * | 1997-10-01 | 2000-10-17 | Kaiser; Richard A. | Auxiliary surface treating arrangement for surface treating device |
DE102006045157B4 (en) * | 2006-09-25 | 2020-06-18 | Robert Bosch Gmbh | Hand tool |
US7914167B2 (en) * | 2008-08-01 | 2011-03-29 | 3M Innovative Properties Company | Surface modifying apparatus having illumination system and method thereof |
JP2013059820A (en) * | 2011-09-12 | 2013-04-04 | Makita Corp | Electric tool |
-
2014
- 2014-10-27 DE DE102014221760.1A patent/DE102014221760A1/en not_active Withdrawn
-
2015
- 2015-08-04 JP JP2017521093A patent/JP2017531567A/en active Pending
- 2015-08-04 EP EP15747467.7A patent/EP3212359B1/en active Active
- 2015-08-04 KR KR1020177011392A patent/KR20170074890A/en unknown
- 2015-08-04 WO PCT/EP2015/067950 patent/WO2016066294A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4318980A1 (en) * | 1993-06-08 | 1994-12-15 | Apag Elektronik Ag Duebendorf | Display device |
WO1999002310A2 (en) * | 1997-07-10 | 1999-01-21 | Avos Developments Limited | Illumination for power tools |
US20030042803A1 (en) * | 2001-08-30 | 2003-03-06 | S-B Power Tool Company | Electric-motor rotary power tool having a light source with a self-generating power supply |
US20050044728A1 (en) * | 2003-08-26 | 2005-03-03 | Credo Technology Corporation | Power hand tool right angle attachment having a light source with a self-generating power supply |
GB2429181A (en) * | 2005-08-19 | 2007-02-21 | Bosch Gmbh Robert | Hand-held grinding tool with illumination means |
DE102012216600A1 (en) * | 2012-09-18 | 2014-04-10 | Robert Bosch Gmbh | Article cap for placing e.g. bulb, in screw driver, has interface arranged in tool adapters, and light conductor element providing light to LED and working surface, where light conductor element is made from transparent material |
Also Published As
Publication number | Publication date |
---|---|
EP3212359B1 (en) | 2024-01-10 |
KR20170074890A (en) | 2017-06-30 |
JP2017531567A (en) | 2017-10-26 |
DE102014221760A1 (en) | 2016-04-28 |
EP3212359A1 (en) | 2017-09-06 |
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