EP1971991A1 - Elektrischer schalter - Google Patents
Elektrischer schalterInfo
- Publication number
- EP1971991A1 EP1971991A1 EP06828732A EP06828732A EP1971991A1 EP 1971991 A1 EP1971991 A1 EP 1971991A1 EP 06828732 A EP06828732 A EP 06828732A EP 06828732 A EP06828732 A EP 06828732A EP 1971991 A1 EP1971991 A1 EP 1971991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical
- switch
- contact
- mounting frame
- connection
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0018—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0093—Standardization, e.g. limiting the factory stock by limiting the number of unique, i.e. different components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/063—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a reversing switch
Definitions
- the invention relates to an electrical switch according to the preamble of patent claim 1.
- Such switches are mainly used in electric hand tools, which have a powered by a voltage source electric motor, used as a power switch for switching on and off of the electric motor.
- These power tools may be drills, angle grinders, saws, planers, grinders, orbital sanders, screwdrivers, or the like.
- the invention has for its object to further develop the electrical switch such that it is suitable for different installation spaces, in particular in a simple manner to the respective electric tool is adaptable.
- the electrical switch is to be further developed such that the number of individual parts is reduced.
- the contact system and the actuating element is designed as an independently functional switch unit in the manner of a module.
- the switching module-like switch unit can be arranged in one of the attachment in the electrical appliance serving mounting frame.
- the mounting frame preferably has a receptacle for the switch unit, wherein the receptacle expediently has a size corresponding approximately to the switch unit size, so that the switching module can be mounted in the mounting frame in a simple manner. It then suffices to announce the mounting frame and / or device specific, so that it is used in the manner of an adapter for installation in a variety of handles of power tools, while it is a kind of standardized base switch in a small design in the switch unit.
- this makes it possible to use one and the same base switch for a wide variety of power tools, thus making it possible to use the electric tool switch in a simple and flexible manner in various power tools.
- the switch unit may have a housing in which all essential switch functions are included, whereby the switch unit is self-sufficient.
- the arrangement of electrical connection terminals for supplying and / or dissipation of the electrical voltage to and / or from the contact system offers.
- a control and / or regulating electronics for the electric motor o. The like. Of the electrical appliance may be arranged.
- the switch unit then serves primarily as a self-functioning and ready-to-connect base module for example power tools.
- the electrical connection terminals on the switch unit can correspond to electrical mating connections arranged on the installation frame, in particular in the manner of plug connectors.
- the switch unit when the switch unit is arranged on the mounting frame, an electrical connection can be produced between the electrical connection connections and the electrical counter connections, with which a type of extension of the connections to the switch unit can be achieved.
- the leads in the electrical appliance can also be connected directly to the electrical connection terminals on the housing of the switch unit, even if the switch unit is already arranged in the mounting frame.
- the mounting frame can additionally assume the function of a circuit carrier by this connection and / or wiring and / or suppression components for the electrical appliance includes.
- electrical connections in a "customer-specific" installation for the power supply of the electrical device, for supplying the voltage to the electric motor in the electrical appliance, for supply lines in the electrical appliance o. The like. Are located on the mounting frame Lines in electrical connection.
- the mounting frame can be designed device-specific with respect to the respective electrical device, so that the installation of serving as a base module switch unit by means of the mounting frame in the electrical device allows and / or is facilitated.
- the switch unit is designed essentially device-independent with respect to the respective electrical appliance as a kind of base module.
- Extended switch functions can be integrated via the mounting frame, for example by arranging electronics or the like for additional device-specific functions in the manner of "additional cover functions" in the mounting frame a microprocessor and / or a display.
- the mounting frame can also be the Aufiiahme other additional functions such as a locking for the actuator, a stroke limiter or travel limit for the actuator, a transport lock for the actuator, a Drackticianer Wegungs adopted for the actuator, a switch-on for the actuator, a right-left Switch for the electric motor, a suppression capacitor for the electric motor o.
- a switch is thus created whose functionality is divided into always provided basic functions and optional additional functions.
- the switch unit can be fastened in the receptacle of the mounting frame. Conveniently, this can be used verclipsbare snap and / or snap-in connections.
- the actuator protrudes out of the mounting frame, so that a device with respect to the electrical appliance ausgestaltetes actuator on the actuator, for example by locking, clipping o. The like., Can be fastened.
- a guide for the movable means of the actuator actuator is located on the mounting frame.
- the power tool switch according to the invention is designed in a modular design with a mounting frame.
- a basic module in the smallest possible design includes all switch functions, including electronics, if necessary, and is therefore self-sufficient.
- the mounting frame allows and facilitates installation in the power tool.
- Extended switch functions can be integrated in the mounting frame.
- the live parts of the switch which are at the same electrical potential in particular parts of the contact system and / or parts which are in contact with the contact system, can essentially be designed as one individual part.
- the contact system expediently has a switch-on contact designed as an individual part, wherein the switch-on contact consists of a fixed contact, which is assigned to the movable switch-on contact carrier, and a mains connection.
- the power supply may be configured as required in the manner of a push-in exclusion, a tab terminal, a screw terminal, an insulation displacement terminal, or the like.
- the switch contains integrated electronics as control and / or regulating electronics for the operation of the electric motor of the electrical appliance, then a reduction in the installation space for the switch is also achieved. It then lends itself in addition to the fact that the contact system has a bridging contact designed as an individual part, wherein the bridging contact consists of a fixed contact, which is assigned to the movable bridging contact carrier, and a motor connection.
- the motor terminal can be configured as required in the manner of a push-in exclusion, a tab terminal, a screw terminal, an insulation displacement terminal o.
- the bridging contact has a contact spring for powering the electronics.
- the electronics can be designed in the manner of a thick film module on a ceramic carrier with integrated terminals. Cost-effective, however, is also possible to arrange the electronics on a conventional circuit board.
- the contact system may have a multifunction part designed as a single part, wherein the multifunction part comprises at least one bearing for the movable contact carriers.
- the multifunction part comprises the movable Einschaltternffy, the movable bridging contact carrier, if any, as well as the suspension of the movable contact carrier.
- the multifunction part has a further contact spring for powering the electronics. If an interference suppression capacitor is provided for the electronics, then the multifunctional part can, depending on Requirement a formed in the manner of a push-in connection, a fork terminal, an insulation displacement connection o. The like. Connection for the capacitor included.
- further live parts of the switch which are located at the same potential, may be formed as an individual part.
- the interpolation point can then contain a further connection for the capacitor, wherein these connections can be configured as required in the manner of a push-in connection, a tab connection, a screw connection, an insulation displacement connection or the like.
- the switch has a flexible modular structure.
- the base module can be used independently and can be produced as a standard in high quantities, making this inexpensive. Only an individual mounting frame is then necessary for the corresponding installation in the power tool.
- the mounting frame as an additional part can then also provide cost optimized for the particular application. Especially as a power tool switch this switch is suitable for all power tool applications in the low-cost range.
- the switch by Zusarnmen entry of potential equal parts to each one item in the manner of a multi-function part has a very small size. Due to the few items that are also produced as cost-effective stamped and bent parts from corresponding metal sheets, the cost of mounting the switch is lower. Consequently, it is a very inexpensive switch. In addition, reduce the contact resistance in the switch when reducing the number of parts, so this is functional and fail-safe. In particular, as a power tool switch this is suitable for all power tool applications in the low-cost area.
- FIG. 1 is a schematic diagram of the arrangement of an electrical switch in a power tool
- FIG. 3 shows the switch consisting of a switch unit and a mounting frame
- FIG. 6 shows a switch as in FIG. 3 according to a further exemplary embodiment
- FIG. 7 shows the mounting frame of the switch of FIG. 6 as a single part
- FIG. 8 shows the switch unit of FIG. 4 with the housing open, with some individual parts removed, FIG.
- FIG. 10 the circuit board with control and / or control electronics of FIG. 8 as a single part
- Fig. 11 shows another switch for switching the right-left run for the power tool in an exploded view.
- the electrical switch 1 according to the invention is used in an electrical appliance which is supplied by a voltage source.
- the electric switch 1 in a power tool 2 such as a drill, a hammer drill, a grinder, a saw, a planer, an angle grinder o. The like., Used.
- a power tool 2 such as a drill, a hammer drill, a grinder, a saw, a planer, an angle grinder o. The like., Used.
- Fig. 1 the schematic diagram for the arrangement of the electrical switch 1 in the power tool 2, which is supplied by the AC line voltage U, shown in more detail.
- the electric tool 2 has an electric motor 3 with field windings 4.
- the electric motor 3 is switched on and / or off by operation of the switch 1, which is located in the handle 5 (see FIG. 2) of the power tool 2.
- the switch 1 has a designed as a pusher actuator 6, which acts by means of an actuating element 13 switching to a contact system 7.
- the speed of the electric motor 3 can also be adjusted by means of the switch 1, to which the actuating element 13 acts on a setpoint generator 9, which comprises, for example, a potentiometer, as well as an additional contact system 8.
- the speed adjustment of the electric motor 3 by means of a control and / or regulating electronics 10 with a power semiconductor 11, such as a triac o. The like., Which is designed in the manner of a phase control.
- the contact system 7 By movement of the actuator 6, the contact system 7 is first closed and the AC line voltage U applied via the power semiconductor 11 to the electric motor 3.
- One of the position of the actuator 6 corresponding control voltage is removed from the potentiometer 9 and fed to the control electronics 10.
- the control electronics 10 ignites in functional dependence on this control voltage, the power semiconductor 11 at the corresponding phase or Stromflußwinkel the AC line voltage U, so that finally set the position of the actuator 6 corresponding speed of the electric motor 3 and optionally regulated.
- the actuator 6 is in its maximum position, the contact system 8 is closed, whereby the control electronics 10 and the power semiconductor 11 are bridged. Thus, the full mains AC voltage U is applied to the electric motor 3 and this moves at the maximum speed.
- the detailed design of the built-in handle 5 switch 1 can be seen in Fig. 2.
- the switch 1 has a housing 12, from which the actuating element 13 protrudes. On the actuating element 13, in turn, the device-specific designed for the respective power tool 2 actuator 6 is attached.
- the housing 12 thus includes the contact system 7, 8 and the actuator 13 as an independently functional switch unit 14 in the manner of a switching module, which in itself in Fig. 4 to see is.
- the switch unit 14 is arranged in a mounting frame 15 serving for attachment in the electrical appliance 2.
- the mounting frame 15, which can be seen as an item closer in Fig. 5, has a receptacle 55 for the switch unit 14.
- the receptacle 55 has a size corresponding approximately to the switch unit 14, so that the switch unit 14 can be used in the receptacle 55 on the mounting frame 15.
- the switch unit 14 in the receptacle 55 of the mounting frame 15 can be fastened.
- the attachment by means of snap and / or snap connections 54 by clipping done, as can be seen by comparison of Fig. 4 and Fig. 5, so that the mounted on the mounting frame 15 switch unit 14 is preassembled as a unit, which in turn.
- the actuating element 13 protrudes from the mounting frame 15, wherein the actuating member 6 on the actuating element 13 can be latched, clipped o. The like. Is attached.
- a guide 21 is located on the mounting frame 15 for the actuator 6 for the realization of the external handle guide.
- the switch unit 14 is a standard component manufactured in large quantities
- the mounting frame 15 is adapted to the specific installation space in the handle 5 of the power tool 2, as can be seen with reference to FIG. 2, device-specifically.
- a switch 1 can be seen according to a further embodiment, which is intended for a power tool with a different installation situation.
- the mounting frame 15 'shown as an individual part in FIG. 7 is obviously different from the mounting frame 15 according to FIG. 5 designed.
- the switch 1 according to FIG. 6 is also that shown in FIG. 4.
- connection terminals 16 for supplying the electrical voltage U to and / or from the contact system 7, 8, as shown in Fig. 4 can be seen.
- the switch unit 14 namely on its housing 12 are electrical connection terminals 16 for supplying the electrical voltage U to and / or from the contact system 7, 8, as shown in Fig. 4 can be seen.
- the power supply of the power tool 2 that is for the supply of voltage to the electric motor 3 in the power tool 2 and thus to dissipate the electrical voltage U from the contact system 7, 8, serve further electrical connection terminals 17 on the housing 12, wherein the left in Fig. 4 Connection terminal 17 is hidden by a housing rib 56 for the separation of the connection terminals 17 itself.
- the electrical connection terminals 16, 17 with arranged on the mounting frame 15 electrical mating connections in particular in the form of connectors correspond, such that when the switch unit 14 on the mounting frame 15 an electrical connection between the electrical connection terminals 16, 17 and the electrical mating connections is made. Then the mating connections serve to extend the connections 16, 17 on the switch unit 14. Finally, electrical connections for supply lines in the power tool 2 can be located on the mounting frame 15 at another point, whereby a customized installation of the connections is made possible. If necessary, the electrical connections 16, 17 can be in electrical connection with the electrical mating connections by means of lines on the installation frame 15.
- the switch unit 14 further comprises the configured in the manner of a standard module control and / or regulating electronics 10 for the electric motor 3 of the power tool 2, which is located on a visible in Fig. 8, conventional printed circuit board 18, disposed in the housing 12 of the switch unit 14.
- the control and / or regulating electronics 10 may also be designed in the manner of a thick film module with integrated terminals.
- the mounting frame 15 is designed device-specific with respect to the respective power tool 2, so that in the mounting frame 15 additional electronics o. The like. For other device-specific functions in the manner of This additional electronics is fastened, for example, to a cover extension 52 of the mounting frame 15 which is visible in FIG.
- a Aufhahmedom 20 can be seen, in which a lock for the actuator 13 is used.
- Further examples of such curntationen are a stroke limitation or travel limit for the actuator 13, a transport lock for the actuator 13, a pressure point generating device for the actuator 13, a switch-on for the actuator 13 o. The like., Which, however, are not shown.
- a right-left switch 35 for the electric motor 3 or an interference suppression capacitor 30 (see FIG. 1) for the electric motor 3 can also be arranged on the mounting frame 15.
- the switch 1 according to the invention further reduction of the individual parts is achieved by the functions of the switch 1 are combined and concentrated.
- the parts of the switch 1 located at the same electrical potential, in particular those for the contact system 7, 8, are designed essentially as one individual part, as can be seen from FIG.
- the serving for switching on the mains voltage contact system 7 comprises a movable Einschalttern york 22 and a cooperating with the Einschaltternitati 22 fixed contact 23, which in turn is in electrical connection with the power supply 16.
- the fixed contact 22 and the power supply terminal 16 are formed as a single part, which is hereinafter referred to as Einschalt token 24 and the specific embodiment in Fig. 9 is shown in more detail.
- the network connection 16 is designed in the manner of a push-in exclusion, as can also be seen in FIG. 9.
- the power supply 16 can also be configured as a flat plug connection, as a screw connection o.
- the bridging of the control electronics 10 and the power semiconductor 11 serving contact system 8 comprises a movable bridging contact carrier 25 and a bridging contact carrier 25 cooperating fixed contact 26, which in turn is in electrical connection with the motor terminal 17.
- the fixed contact 26 and the motor terminal 17 are in turn formed as a single part, which is hereinafter referred to as a bridging contact 27 and can be seen in Fig. 8.
- the motor terminal 17 is also in the manner of a push-in exclusion, as shown in Fig. 8, a insulation displacement connection o. The like. Designed.
- the bridging contact 27 still has a visible in Fig. 9 contact spring 28 for powering the control and / or regulating electronics 10.
- the fixed contact 26 on the bridging contact 27 can not be seen in FIG. 9 insofar as it is covered by the cam control 57 for the contact carriers 22, 25 located on the actuating element 13.
- the contact system 7, 8 can have a multifunction part 29 designed as an individual part for further partial reduction, which in turn can be seen in more detail in FIG. 8 or FIG. 9.
- the multifunction part 29 comprises at least one bearing for the movable contact carrier 22, 25, namely the multifunction part 29 includes the movable Einschalttern york 22 and, if present, the movable bridging contact carrier 25.
- the suspension of the movable contact carrier 22, 25 in the kind of a leaf spring integrated.
- the multifunction part 29 may also contain the further contact spring 28 'for supplying power to the control and / or regulating electronics 10.
- the multi-function part 29 may also contain a connection 31, for example a push-in connection, a fork connection, an insulation displacement connection or the like, for the capacitor 30.
- the further mains connection 16 and the further motor connection 17 is configured as a support point 32.
- the support point 32 contains a further connection 31 'for the capacitor 30.
- these connections 16, 17, 31' can be designed in the manner of a push-in connection.
- a setpoint generator 9 which in the manner of a potentiometer according to FIG. 10 consists of an adjustable contact element 33 as a wiper and a fixed contact element 34 designed as a resistance path.
- the actuator 13 acts adjusting to the setpoint generator 9, so that, for example, the speed of the electric motor 3 is set by the control and / or regulating electronics 10 in dependence on the adjustment of the adjustable contact element 33.
- the adjustable contact element 33 consists of a wound spring.
- the spring 33 has a cylindrical winding with a substantially circular cross-section. As a result, a rolling movement of the spring 33 during movement of the actuating element 13 is made possible. Due to the rolling movement results in a reduced abrasion on the adjustable contact element 33.
- the spring 33 may consist of a portion of a tensile and / or pressure spring strand, which has a small wire diameter.
- the spring 33 is made of a material with good electrical conductivity, wherein the material for the spring 33 with respect to the abrasion resistance o. The like. Different from the material for the contact system 7, 8 may be.
- the resistor tracks 34 are printed by means of a corresponding resistor paste on the circuit board 18 and then baked. On the circuit board 18 are still the electrical and / or electronic components 51 for the control and / or regulating electronics 10 and the power semiconductor 11. Further, the conductor tracks 53 for connecting the components 51 and the power semiconductor 11 are located on the circuit board 18.
- the electric motors 3 in drills, screwdrivers o. The like. Power Tools 2 are often operated both in the right and in the left-hand rotation. In the power tool 2 can serve as a switch for the right-left running of the electric tool 2 serving further electrical switch 35, which may be attached to the mounting frame 15, for example.
- the switch 35 shown in greater detail in FIG. 11 has a switch housing 36 from which an actuating means 37 for manual operation of the switch 35 protrudes.
- the switch 35 has a fixed contact 39 and a switch contact 40 existing contact system 38.
- the actuating means 37 acts to switch the contact system 38 between two switching positions on the switch contact 40 a.
- the actuating means 37 cooperates with a detent spring such that the respective switching position is formed as a detent position.
- the switching contact 40 and the detent spring of a single part in the manner of a contact spring.
- the contact spring 40 may be made as a leaf spring of a spring wire, a spring band o. The like. It makes sense to form the contact spring 40 in the manner of a stamped and bent part. As can further be seen from FIG. 11, the contact spring 40 is configured approximately in a V-shaped manner. In this case, the contact spring 40 has a rounded base 41 and two spring legs 42, wherein the spring legs 42 for making contact with the respective fixed contacts 39 can be applied.
- the switch housing 36 consists of a base 43 and a cover 44.
- the fixed contacts 39 are fixed in the base 43 in the fixed contacts 39 corresponding receptacles 45.
- contact tongues 46 are guided as connections from the switch housing 36 to the outside.
- the contact tongues 46 are configured as shown in FIG. 11 in the manner of plug contacts. However, the contact tongues 46 may also, if desired, be designed as push-in connections or the like.
- the actuating means 37 is designed as a pivotably mounted on a pivot bearing 47 in the base 43 operating lever.
- a first arm 48 of the actuating lever 37 protrudes out of the switch housing 36 as a handle for manual operation of the switch 35.
- a second arm 49 of the actuating lever 37 is located to hold the contact spring 40 in the switch housing 36.
- the contact spring 40 is pressed on the second arm 49 of the actuating lever 37.
- two contact springs 40 are arranged one above the other on the second arm 49.
- the actuating means can also be displaced as one be designed in the base mounted actuating slide, which is not shown.
- the base 41 of the contact spring 40 engages in a switching gate 50, in such a way that upon movement of the actuating means 37, the contact system 38 switches detent.
- the shift gate 50 which is located in the base 43, is configured approximately W-shaped and has at least two detent positions in the recesses of the "W.”
- the detent positions are the two shift positions of the contact system 38. Each corresponds to a shift position 3.
- a third detent position which is the middle zero position, may also be present The zero position, at which no contact is made, so that the electric motor 3 does not move , is then located between the two switching positions.
- Such a switch 1 can be used not only on a powered with the AC mains voltage power tool 2 but also on a powered with DC battery power tool.
- a power semiconductor a FET, MOS-FET o. The like. Used.
- a switch 1 can be used not only for electric tools 2 but also in other electric appliances supplied by a power source such as gardening tools, kitchen appliances or the like.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Push-Button Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006001119 | 2006-01-09 | ||
| DE102006001120 | 2006-01-09 | ||
| DE102006001122 | 2006-01-09 | ||
| DE102006001123 | 2006-01-09 | ||
| PCT/DE2006/002342 WO2007079716A1 (de) | 2006-01-09 | 2006-12-27 | Elektrischer schalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1971991A1 true EP1971991A1 (de) | 2008-09-24 |
| EP1971991B1 EP1971991B1 (de) | 2013-08-28 |
Family
ID=37943614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06828732.5A Active EP1971991B1 (de) | 2006-01-09 | 2006-12-27 | Elektrischer schalter |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1971991B1 (de) |
| CN (1) | CN101356611B (de) |
| WO (1) | WO2007079716A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412072A (zh) | 2005-05-11 | 2012-04-11 | 布莱克和戴克公司 | 用于手持电动工具的开关的直角引脚端子 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3322924A (en) * | 1965-03-04 | 1967-05-30 | Black & Decker Mfg Co | Translatory mechanical member with molded hinge portion for use in electric switchesand other applications |
| GB1435697A (en) * | 1972-09-02 | 1976-05-12 | Lucas Electrical Ltd | Electrical switches |
| US3866868A (en) * | 1974-01-16 | 1975-02-18 | Whirlpool Co | Vacuum cleaner switch mounting means |
| DE2629722C3 (de) * | 1976-07-02 | 1981-04-23 | Scintilla Ag, Solothurn | Handbetätigbare Einbauschaltvorrichtung für elektrische Maschinen, insbesondere Handbohrmaschinen |
| US5085043A (en) * | 1990-06-01 | 1992-02-04 | Black & Decker Inc. | Electro-mechanical interlock and module system for lawn mower or other electrical device |
| DE4038786A1 (de) * | 1990-12-05 | 1992-06-11 | Bsg Schalttechnik | Vorrichtung zur steuerung oder regelung von durch akkus versorgter geraete |
| US5449870A (en) * | 1992-02-28 | 1995-09-12 | Lucerne Products, Inc. | Switch actuating assembly having attachable trigger |
| DE19708939A1 (de) * | 1996-03-15 | 1997-10-30 | Marquardt Gmbh | Elektrischer Schalter |
| NL1011843C2 (nl) * | 1999-04-20 | 2000-11-06 | Capax B V | Verbeterde schakelaar voor elektrisch gereedschap. |
-
2006
- 2006-12-27 CN CN200680050613.XA patent/CN101356611B/zh active Active
- 2006-12-27 WO PCT/DE2006/002342 patent/WO2007079716A1/de not_active Ceased
- 2006-12-27 EP EP06828732.5A patent/EP1971991B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007079716A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101356611A (zh) | 2009-01-28 |
| CN101356611B (zh) | 2013-07-03 |
| EP1971991B1 (de) | 2013-08-28 |
| WO2007079716A1 (de) | 2007-07-19 |
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