CN101836277B - Pressure switch - Google Patents

Pressure switch Download PDF

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Publication number
CN101836277B
CN101836277B CN200880113227.XA CN200880113227A CN101836277B CN 101836277 B CN101836277 B CN 101836277B CN 200880113227 A CN200880113227 A CN 200880113227A CN 101836277 B CN101836277 B CN 101836277B
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CN
China
Prior art keywords
switch
push
shift knob
coupled
button switch
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
Application number
CN200880113227.XA
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Chinese (zh)
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CN101836277A (en
Inventor
H·勒姆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN101836277A publication Critical patent/CN101836277A/en
Application granted granted Critical
Publication of CN101836277B publication Critical patent/CN101836277B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/06Casing 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling

Abstract

For a hand-guided machine tool, such as for a plane (12), the pressure switch (1) thereof provided for turning it on and off comprises a switch push-button (15) and a switch position locking arrangement (16) for the switch push-button (15), wherein the locking arrangement (16) comprises locking push-buttons (17, 18) on both sides to the switching plane (20) of the switch push-button (15), said locking push-buttons being separate from each other and connected to each other by way of a coupling gear mechanism (40) such that they can be displaced relative to one another in opposite directions.

Description

Push-button switch
Technical field
The present invention relates to a kind of push-button switch, it is particularly useful for manual toolroom machine.
Background technology
The push-button switch of the above-mentioned type is arranged in its handgrip zone for its application in manual toolroom machine such as sweep-saw, planer, milling drum and drilling machine by known reaching in the practice, so that obtains substantially the same operability for the right hand and left-handed operators.This identical operability is not only for shift knob, and also like this to the position of the switch locking system of shift knob for configuration, this position of the switch locking system has that can vertically move relative to the switch plane of shift knob, mutual opposed locking key, these locking keys stretch out from the both sides of a switch acceptance division in off-position that it is used for shift knob, namely stretch out from the handgrip both sides under switch is arranged on situation in the toolroom machine handgrip.
This for the favourable shift knob of exchange right-hand man gripping itself and under the structural condition of position of the switch locking system be: mutual opposed locking key connects rigidly, and locking key moves to same direction when operating retaining device.Thus on the operating position that a relative switch acceptance division of locking key pushes, with another locking key of its opposition owing to the moving movement of equidirectional, relatively from the switch acceptance division, stretch out far away as the off-position in home position.With in the handgrip zone, this structurally associated ground of the shift knob in the handgrip zone of crossover tool machine and locking key for example, occasional produces restriction to the holding tool machine by its.
Summary of the invention
Task of the present invention is, the shift knob with corresponding position of the switch locking system is being made improvements aspect the operational hypothesis condition of their toolroom machine of equipment, especially manual toolroom machine.
According to the present invention, a kind of push-button switch is proposed, this push-button switch has a shift knob that can move and a position of the switch retaining device that is used for this shift knob in a switch plane, this position of the switch retaining device has and can laterally move relative to the switch plane of this shift knob, mutual opposed locking key, these locking keys stretch out in the both sides of a switch acceptance division in its off-position that is used for described shift knob and are movable to one and are pushed into, in the lock position of locking, wherein: described locking key is separated from each other, can mutually force in the opposite direction to move, these two locking keys are obtained the position that its relatively described switch acceptance division is pushed in its lock position with being coupled.
In solution according to the present invention, two locking keys are separated from each other and mutually force and can move up on the contrary with being coupled, and consequently two locking keys are obtained the position that a relative key switch is pushed into and are locked on the shift knob in its lock position.Therefore in according to the solution of the present invention, for these locking keys not only in the off-position that is used for shift knob but also the switch plane that can obtain relative shift knob in the lock position that is used for shift knob symmetrical position abreast, wherein, because the pressure of these locking keys is coupled, in their lock position, a locking key in these locking keys is locked at just is enough to make two locking keys to remain on they and the position of the lock position corresponding relative key switch acceptance division that is used for locking key on the shift knob.The lock position of shift knob is preferably corresponding to the on-position of push-button switch and therefore corresponding to the service position of toolroom machine, but this lock position also can be used to the scram position of maintained switch button in principle, in case stop-pass is crossed shift knob is loaded absent-mindedly and toolroom machine is by mistake put into operation.
In principle can be by forcing to be coupled to realize that locking key flexibly, especially flexibly is supported on itself and the corresponding extended position in off-position that is used for shift knob according to the present invention.But mutual opposed locking key directly flexibly is supported in its off-position mutually, also falls within the scope of the invention.
The locking of shift knob by the locking key that is pushed into can conform with the destination to be realized the sealed cooperation of the shape of shift knob by locking key, wherein, preferred two locking keys form and cooperate, but owing to force to be coupled, the cooperation of a locking key in these locking keys has been enough to the locking that reaches required.Even tolerance occurring thus, in the situation of possibility owing to the tolerance of wearing and tearing generation, still can guarantee reliable latch functions.
Be carried in it and be used on the corresponding position, corresponding off-position of shift knob explicitly by elasticity with locking key, be proved meet the requirements be: sealed cooperation forms locking key in this wise to the switch button-shape in the lock position, so that can discharge corresponding locking by shift knob is moved to above the lock position when the lock position of shift knob during corresponding to the connection of the toolroom machine of having equipped this push-button switch and operating position.
These locking keys according to the present invention are coupled in the pressure aspect the moving movement in the opposite direction of its setting and preferably realize by being coupled transmission device, this is coupled transmission device and is configured to link gearing, but especially consist of with the configuration with four hinges that are coupled part that relative key switch acceptance division moves along the switch plane of shift knob-link gearing definitely, can realize thus the simple and firm guiding to shift knob, it is also insensitive to tolerance.
With this configuration that is coupled transmission device explicitly, be proved meet the requirements be, but locking key relative key switch acceptance division yaw motion be directed to, especially be directed to by deflection arm.These deflection arms are conformed with the destination dispose locking projection towards the shift knob that can move along switch plane in its end away from clinoid, these locking projections are corresponding with the locked groove on being configured in shift knob, wherein, locking projection and locked groove are preferred to be extended along a camber line around the clinoid of corresponding deflection arm accordingly, so that in the lock position, obtain a structure that cooperates from behind, be loaded in the direction towards its lock position by this structure each locking key of locking when shift knob is loaded towards the off-position.Reach thus the effect of a self-locking, this also will allow, and shift knob is flexibly supported on the direction of itself and corresponding position, off-position in required mode.
Within the scope of the invention, as the transmission device that is coupled transmission device and also can uses advantageous other form of tool, rotating disk for example, it have fixing rotation and have relative this rotation opposed to each other hinged, make the connecting rod that is connected with locking key as this rotating disk that is coupled part.Also can be in addition, pressure arranged according to the present invention, locking key is coupled rightaboutly moves through a gear drive and realizes that it for example is constructed with the rack gearing that the conduct that is arranged on the tooth bar between the locking key and connects these tooth bars is coupled the idler gear of part.
Other advantage and the embodiment that meets the requirements can be by claims, and the description of the drawings and accompanying drawing are learnt.
Description of drawings
Fig. 1: a summary simplified side view that is configured to the manual toolroom machine of planer, this toolroom machine is provided with a push-button switch in the zone of the arc cross-over connection handle on its formation operative orientation handgrip, at toolroom machine, this push-button switch comprises a shift knob and a position of the switch locking system that is used for shift knob
Fig. 2: a vertical view of planer shown in Fig. 1, it is provided with in the both sides of its handgrip and is arranged in the manual locking key that enters the zone,
Fig. 3 and 4: the schematic diagram (Fig. 4) of the summary end view (Fig. 3) of the amplification of section III among Fig. 1 and the push-button switch of a similar cross-section figure vertical with this end view, this push-button switch in the off-position of its shift knob and with shift knob correspondingly locking key do not work-active position of root push-button switch thus, planer is not worked, is access failure
Fig. 5 and 6: be operated and pass through the corresponding views of the shift knob of locking key locking, according to the active position of push-button switch, planer is switched on, namely is in the service position, and
Fig. 7 and 8: one can be connected with push-button switch for retaining device as the summary view that other of transmission device may configuration that is coupled that is coupled that the coupling part uses.
Embodiment
Fig. 1 and electric motor driven planer 2 of 2 expressions, it is as an example of having equipped according to the manual toolroom machine of push-button switch 1 of the present invention.This planer 2 has one with the overlapping housing 4 of its substrate 3 and has received vertically extend with its operative orientation 5 a, rotor shown in the summary table 6 only, substrate 3 is interrupted in the working region of rotor, so that obtain a prebasal plate part 7 and a metacoxal plate part 8, they are connected to each other by housing 4, in order to regulate the cutting depth of rotor 6 in the associated workpiece of a unshowned placement substrate 3, wherein prebasal plate part 7 relative housings 4 and thus relative metacoxal plate 8 adjustable-heights.A knob that for this reason arranges is indicated with 9.
The handgrip that is provided with comprising of planer 2 of arc handgrip 10 on the rear portion of knob 9 and housing 4 overlap joint ground is regional, this handgrip passes through forward a leg 11 about front and metacoxal plate 7, be supported in the longitudinal region between 8 on the housing 4 and in the Background Region of metacoxal plate part 8, be connected with housing 4 by a leg 12, in the zone of leg 12, be provided with highlightedly backward a stube cable 13.
Has the push-button switch 1 that represents of summary only in Fig. 1 and 2 in the transitional region between the bridge handle 14 that passes to back leg 12 of leg 11 and handgrip 10, in this embodiment, arc handgrip 10 has consisted of the switch receiving unit that is used for this push-button switch, this push-button switch comprises a shift knob 15 and a position of the switch locking system 16, especially referring to Fig. 4 and 6, this position of the switch locking system has the locking key 17 and 18 that the switch plane 20 of relative shift knob 15 laterally extends, and they are represented as in Fig. 2 stretches out in the off-position of relative shift knob 15 and from the side of bridge handle 14 and opposite each other.In this embodiment, shift knob 15 is arranged in the longitudinal median plane of handgrip 10 and the downward outstanding bridge handle 14 that surpasses approximately, the switch plane 20 of shift knob 15 correspondingly vertically extends with the longitudinal median plane of the bow that consists of handgrip 10, being preferably perpendicular to substrate 3 extends, wherein switch plane 20 overlaps with the longitudinal median plane of handgrip 10 in a preferred version, and the relative substrate 3 of this longitudinal median plane longitudinally center extends.
Fig. 1 and 2 shows: push-button switch 1 is received in the handgrip 10 and has as the shift knob 15 and locking key 17 and 18 that exceed the part of handgrip 10.Therefore, also handgrip 10 directly can be used as switch case in principle, but preferably push-button switch 1 relative handgrip 10 be made prefabricated parts, it has a switch case 21, and this switch case is fixed as the relative handgrip 10 of the parts that receive push-button switch 1.
According to the push-button switch 1 that the accompanying drawing of Fig. 3 and 4 represents to have affiliated switch case 21 with the unusual form of summary, articulated locking key 17 and 18 on this switch case, shift knob 15 relative these switch case can be directed to movably along switch plane 20.In the view according to Fig. 3 and 4, shift knob 15 is indicated in its off-position, and this off-position is for according to the planer 2 of Fig. 1 and 2 off-position corresponding to planer 2.Shift knob 15 can 20 be moved in the corresponding operating position in the service position with planer 2 of this shift knob towards switch case 21 along switch plane by its off-position, shift knob 15 can be locked in this operating position by locking key 17 and 18, shown in Fig. 5 and 6.In the operating position of the shift knob 15 shown in Fig. 5 and 6-in this operating position this shift knob towards the direction of switch case 21 be moved and in case of necessity by locking key 17 and 18 by locking-be used in closing of circuit by affiliated motor driven rotor 6 by the unshowned contact that is loaded by shift knob 15.
In the home position according to Fig. 3 and 4, the shift knob 15 that preferably is directed to movably in switch case 21 is especially flexibly supported, as by spring 22 symbologies.
Locking key 17 and 18-by they can make shift knob 15 be locked in its operating position that moves to towards switch case 21-switch plane 20 is opposed and can laterally move relative to switch plane 20 when being applied in pressure toward each other.In illustrated embodiment, locking key 17,18 relative switch case 21 are around the clinoid 23 parallel with switch plane 20, but be directed to 24 deflections, these clinoids with try hard to shift knob 15 is locked on the side away from shift knob 15 that correspondingly is arranged on switch case 21 in its position that is pressed into, so that obtain the yaw motion of an arc for locking key 17,18.Locking key 17 shown in Figure 6,18 relatively be pressed in the cooperation position of the shift knob 15 in its operating position-as seen from Figure 6-that basically catch in the back by one, hook-type and self-sustaining locking key 17,18 and shift knob 15 between interlock obtain, shift knob is provided with locking annex 25 in its end on the direction of switch case 21,26, they have in the side facing to locking key 17, the 18 hook grooves 27 that open, 28, at locking key 17, the corresponding latch hook 29,30 in 18 aspects is corresponding with these hook grooves.As illustrated in fig. 6, even ought be for example because tolerance and wearing and tearing, so that when on the operating position of shift knob, only having a locking key 17 or 18 relative shift knobs 15 to form lockings to cooperate, also can realize or obtain the secure ratcs of shift knob 15 in its operating position.
With locking key 17, but the support of 18 yaw motion correspondingly, hook groove 27,28 and latch hook 29,30 also in the corresponding way each relative transverse plane vertical with switch plane 20 be adjusted at the direction of operating 31 of shift knob 15, so that pass through locking key 17 at shift knob 15, in the position of 18 lockings because shift knob 15 flexible supports, obtaining hook lock against direction of operating 31 cooperates, cooperate by this hook lock locking key 17,18 is tensioned in the direction towards the cooperation position of its relative shift knob 15.
Locking key 17,18 arranged according to the present invention in view of it, its relatively be pressed into the relative shift knob with it of the cooperation position of shift knob 15 of operating position 15 separated, that this shift knob is discharged, between the position in the not operated situation according to Fig. 4 shift knob 15 corresponding reverse mobility, be coupled forcibly, wherein Fig. 4 and 6 expressions are coupled a possible configuration of transmission device 32, and it is insensitive and can realize reliable the operation to tolerance in the situation of simple structure that this is coupled transmission device.
Be coupled transmission device 32 and comprise that one is coupled part 33 along what switch plane 20 relative switch case 21 can vertically move, this is coupled part and for example is fixed by the guide rail 34 relative switch case of a dovetail form, so that switch case 21 both becomes and to be used for shift knob 15, and locking key 17 and 18 also is used for being coupled the supporting that is coupled part 33 and the targeting part of transmission device 32.This coupling comprises as being coupled part 33 and locking key 17,18 connecting rods 35 that are configured to be coupled parts that connect, 36, these connecting rods are hinged on and are coupled part 33 and locking key 17, reach on 18 and extending towards its pin joint that is being coupled on the part 33 on the direction of operating 31, so that connecting rod 35,36 and articulated jib 37,38-makes locking key 17 by these articulated jibs, 18 at clinoid 23, be connected-mutually form an angle of opening at direction of operating on 24 with switch case 21, this angle the shift knob 15 according to Fig. 4 be not operated and by locking key 17,18 by the situation of locking under beguine large in by the situation of locking according to the shift knob 15 of Fig. 6.
Load by being coupled transmission device 32 corresponding elasticity, especially by locking key 17,18 directly flexibly support mutually, make these locking keys be loaded in they in the off-position of shift knob 15, this represents by spring 39 in the drawings, wherein in scope of the present invention, also can use from shown in the different types of springs of helical spring.Therefore, connecting rod 35,36 loads by a semielliptic spring between them with strutting, also drops in the scope of the present invention.
Configuration according to push-button switch 1 of the present invention also can be accomplished: with the loading of shift knob 15 on direction of operating 31 in combination, make locking key 17,18 at the direction upper deflecting towards the lock position of its relative shift knob 15, locking key 17 thus, 18 from off-position that they separate fully towards the direction deflection of a ready position, can be implemented to the movement of lock position by very short shift motion by this ready position.Can consider that to this pressure that moving movement with shift knob 15 is coupled part 33 relatively moves.
Spendable other possible form of implementation that is coupled transmission device can be found out by Fig. 7 and 8 on its basic structure in the scope of the invention, wherein Fig. 7 represents that is coupled a transmission device 40, it has a conduct and is coupled the rotating disk that support regularly relative switch case 21 positions of part 41, and this rotating disk can rotate around an axis 42 that is arranged in switch plane 20 relative to switch case 21.Also being connected of the rotating disk that is coupled part 41 pass through connecting rod 43,44 and realize that pin joint 45, the 46 relative axis 42 of these connecting rods are mutually opposed on the two ends of diameter with consisting of by the locking keys of 17 and 18 indications.
Also can be without rotating disk, as illustrated in fig. 8, a gear is set as being coupled part 47, this gear has axis 48 and a relative axis 48 of this gear that is arranged in switch plane and relatively be used for locking key 18 with conduct on the two ends of diameter, the tooth bar 49,50 of 19 link is meshed.
Can with according to the summary view of Fig. 7 and 8 differently, be used for locking key 17,18 guide rail is not only as opposed rail configurations straight line, mutual in the corresponding switch case 21 that only summary represents, but also has the trend of arc, so that for locking key 17,18 and shift knob 15 between Fig. 7 and 8 in unshowned lock portion can realize discharging, as in conjunction with Fig. 4 and 6 described.

Claims (11)

1. push-button switch, this push-button switch has a shift knob (15) that can move and a position of the switch retaining device (16) that is used for this shift knob (15) in a switch plane, this position of the switch retaining device has and can laterally move relative to the switch plane of this shift knob (15), mutual opposed locking key (17,18), these locking keys stretch out in the both sides of a switch acceptance division in its off-position that is used for described shift knob (15) and are movable to one and are pushed into, in the lock position of locking, it is characterized in that: described locking key (17,18) be separated from each other, can mutually force in the opposite direction to move, these two locking keys are obtained the position that its relatively described switch acceptance division is pushed in its lock position with being coupled.
2. according to claim 1 push-button switch, it is characterized in that: described locking key (17,18) flexibly is supported on its position of stretching out.
3. according to claim 2 push-button switch, it is characterized in that: described locking key (17,18) flexibly supports mutually.
4. according to each push-button switch in the above claim, it is characterized in that: described locking key (17,18) is coupled transmission device (32,40) by one and is connected.
5. according to claim 4 push-button switch, it is characterized in that: the described transmission device (32) that is coupled is configured to link gearing.
6. according to claim 5 push-button switch, it is characterized in that: the described transmission device (32) that is coupled is configured to four hinges-link gearing, and these four hinges-link gearing has and can be coupled part (33) along what the described switch plane (20) of described shift knob (15) moved relative to described switch acceptance division.
7. according to claim 5 push-button switch, it is characterized in that: the described transmission device (40) that is coupled is configured to four hinges-link gearing, these four hinges-link gearing have can relatively described switch acceptance division be supported rotationally be coupled part (41).
8. according to claim 5 push-button switch, it is characterized in that: the described transmission device (40) that is coupled is configured to gear drive, this gear drive has configuration to described locking key (17,18) tooth bar (49,50) and the conduct that connects these tooth bars are coupled the gear of part (47).
9. according to claim 1 push-button switch, it is characterized in that: at least one in the described locking key (17,18) is connected with described shift knob (15) shape in locking manner in the lock position that is used for described shift knob (15).
10. according to claim 9 push-button switch, it is characterized in that: at least one in the described locking key (17,18) is connected with described shift knob (15) hook lock ground in its lock position.
11. each push-button switch in 3 according to claim 1, it is characterized in that: described push-button switch is used for manual toolroom machine.
CN200880113227.XA 2007-10-26 2008-09-03 Pressure switch Expired - Fee Related CN101836277B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007000581.6 2007-10-26
DE200710000581 DE102007000581A1 (en) 2007-10-26 2007-10-26 Pressure switch, in particular for hand-held machine tools
PCT/EP2008/061631 WO2009053142A1 (en) 2007-10-26 2008-09-03 Pressure switch, particularly for hand-guided machine tools

Publications (2)

Publication Number Publication Date
CN101836277A CN101836277A (en) 2010-09-15
CN101836277B true CN101836277B (en) 2013-03-20

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Application Number Title Priority Date Filing Date
CN200880113227.XA Expired - Fee Related CN101836277B (en) 2007-10-26 2008-09-03 Pressure switch

Country Status (4)

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EP (1) EP2206134B1 (en)
CN (1) CN101836277B (en)
DE (1) DE102007000581A1 (en)
WO (1) WO2009053142A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672691B (en) * 2012-05-17 2015-01-28 张家港华捷电子有限公司 Switch used for electric tool
CN115101387B (en) * 2022-07-25 2022-11-01 深圳市脉联电子有限公司 Electric shock prevention structure of circuit breaker, circuit breaker and distributor

Citations (4)

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US5412179A (en) * 1993-08-17 1995-05-02 Chen; Lin-Tien Push button ignition switch for controlling gas flow and igniter in an ignition gun
CN1579131A (en) * 2003-08-09 2005-02-16 百得有限公司 Safety mechanism for power tool and power tool containing such mechanism
CN1681430A (en) * 2002-09-09 2005-10-12 宝洁公司 Device for remotely actuating a mechanism
CN1691227A (en) * 2004-04-20 2005-11-02 Gmca有限公司 Switch mechanism

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Publication number Priority date Publication date Assignee Title
JPS567053Y2 (en) * 1977-11-15 1981-02-16
DE9320029U1 (en) * 1993-01-30 1994-06-01 Bosch Gmbh Robert Electric hand tool with shift lock
DE102006028637A1 (en) * 2006-06-22 2007-12-27 Robert Bosch Gmbh Electric switch with a locking element

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Publication number Priority date Publication date Assignee Title
US5412179A (en) * 1993-08-17 1995-05-02 Chen; Lin-Tien Push button ignition switch for controlling gas flow and igniter in an ignition gun
CN1681430A (en) * 2002-09-09 2005-10-12 宝洁公司 Device for remotely actuating a mechanism
CN1579131A (en) * 2003-08-09 2005-02-16 百得有限公司 Safety mechanism for power tool and power tool containing such mechanism
CN1691227A (en) * 2004-04-20 2005-11-02 Gmca有限公司 Switch mechanism

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Title
JP平6-38611A 1994.02.15

Also Published As

Publication number Publication date
WO2009053142A1 (en) 2009-04-30
EP2206134B1 (en) 2015-06-17
CN101836277A (en) 2010-09-15
DE102007000581A1 (en) 2009-04-30
EP2206134A1 (en) 2010-07-14

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