CN101642832A - Hand-held power tool - Google Patents
Hand-held power tool Download PDFInfo
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- CN101642832A CN101642832A CN200910161896A CN200910161896A CN101642832A CN 101642832 A CN101642832 A CN 101642832A CN 200910161896 A CN200910161896 A CN 200910161896A CN 200910161896 A CN200910161896 A CN 200910161896A CN 101642832 A CN101642832 A CN 101642832A
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- held power
- hand held
- power machine
- protective device
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- 230000001681 protective effect Effects 0.000 claims abstract description 69
- 230000033001 locomotion Effects 0.000 claims description 28
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- 230000000694 effects Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
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- 238000001746 injection moulding Methods 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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Classifications
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- 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
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/10—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/006—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for reciprocating saws
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to a hand-held power tool, such as a jigsaw 12, comprises a reciprocating means 14 and at least one protective device 16 for at least partly insulating the reciprocatingmeans 14, where the protective device 16 is arranged at least partly movably.
Description
Technical field
The present invention relates to a kind of hand held power machine, especially the thorn saw.
Background technology
Proposed a kind of hand held power machine, especially thorn saw, it has the device of reciprocating motion and has at least one and is used for isolating at least in part the protective device that moves back and forth device.
Summary of the invention
The present invention is based on a kind of hand held power machine, thorn saw especially, it has the device of reciprocating motion and has at least one and is used for isolating at least in part the protective device that moves back and forth device.
The present invention's suggestion, protective device is provided with at least in part versatilely.Especially be interpreted as an element for " reciprocating motion device " in this respect, as reciprocating movement rod, it preferably is driven device at least one running status of hand held power machine such as Motor Drive is moved up and down, especially continuously motion up and down.This reciprocating motion device is the maintenance device that is used for cutter in addition.For " being used for isolating at least in part the protective device that moves back and forth device " here especially with being interpreted as a device, it preferably surround at least 90 ° of the circumference that moves back and forth device, advantageously at least 180 ° and be preferably greater than especially 215 ° and/or its protection move back and forth device be subjected to be touched from the outside and/or by it can prevent to touch, especially the operator touches the reciprocating motion device with hand.But also can cover 360 ° valuably in principle.Protective device can be for example with the form of plate, tube and/or particularly advantageously constitute with the form of grid.But can expect that also the professional is considered as significant other configuration.Protective device preferably is made of plastics, but also can expect by other material, makes as metal." versatilely " notion this be defined in motion on a kind of at least one direction, as motion up and/or down and/or especially preferably rotatablely move.Term " at least in part " refers in particular at this, and only the part parts are provided with versatilely under the situation that the protective device multi-piece type constitutes.Can construct protective device flexibly by the present invention program, it can simple in structure and advantageously satisfy other function by its movable property.
A kind of hand held power machine is proposed in addition; have band keep device driver element, at least one is used for locking at least and/or the release operating unit in particular for this maintenance device of cutter; and have at least one and be used for isolating at least in part the protective device that keeps device; wherein, operating unit and protective device coupling aspect effect at least in part.In this unit that especially is interpreted as having motor and keeps device for " driver element ", wherein, motor drives another member, moves up and down as moving back and forth device at least one running status of hand held power machine, especially continuously periodically motion up and down in other words.This especially be interpreted as a device for " maintenance device ", as cutter holder, it is used for fixing and/or locking cutter and/or for example move back and forth device by and constitute." operating unit " especially has the unit of executive component for example (other element that is considered as suiting as button and/or action bars and/or reciprocation position and/or professional) here, by this operating unit can operate and/or especially locking and/or release keep device or maintaining body, as clamp mechanism in particular for cutter.For " be used for isolating at least in part the protective device that moves back and forth device " especially be interpreted as a device here, it preferably surround at least 90 ° of the circumference that moves back and forth device, advantageously at least 180 ° and be preferably greater than especially that 215 ° and/or its protection move back and forth device so as not to touch from the outside and/or by it can prevent to touch, especially the operator touches the reciprocating motion device with hand.Especially be interpreted as for " in coupling aspect the effect " at this, operating unit causes protective device with respect to the direct force stream that keeps device motion and/or generation from the operating unit to the protective device with respect to the motion that keeps device.Term " at least in part " here especially means, the effect of operating unit advantageously reaches 50%, preferably reach 80% and especially preferably reach more than 95% and can be passed on the protective device.Coupling by operating unit and protective device can form hand held power machine structure effective and/or simple in structure.
In addition advantageously, the executive component of an operating unit is set on protective device, obtains thus, can operate the locking and the release mechanism that keep device especially simple in structurely.
Be advantageously provided an operating unit, it and protective device to small part constitute integratedly." integratedly " especially means in this respect, and operating unit can only separate with protective device under the situation of loss function.At this, operating unit can be considered as the sealed connected mode of significant material such as bonding, welding, sintering, soldering, injection moulding and/or die casting are connected with protective device by all, professional.Term " at least in part " is in this expression, at least one member, constitutes integratedly as the action bars and the protective device of operating unit.Structure by one can be realized operating unit in saving member ground.
Advise that in another expansion structure of the present invention protective device has at least one interaction region, this interaction region has the locking and/or the release mechanism of an operating unit." interaction region " especially is interpreted as a zone in this respect, and it preferably preferably is arranged on the reciprocation position that keeps on the device (for example be the prominent capitiform formula of operation and/or professional be considered as the executive component of significant other device form) by means of contacting of touching of nothing and/or especially by means of by touching the contact interaction of facilitating with one." locking and/or release mechanism " here refers in particular to by rotatablely moving of protective device and activates and/or remove for example clamp mechanism of cutter maintenance device; wherein; for example release is rotated counterclockwise and takes place to the guiding cell orientation by seeing from operator's sight line from handle, and this pilot unit is provided for the guiding of hand held power machine on workpiece.Can operate locking and/or release mechanism reliably by realizing interaction region.Can help saving the operator safely in addition and use hand operated.
In addition can be advantageously, at least one running status keep device and/or move back and forth be provided with on the device two different, around the member that covers.Especially be appreciated that two members into protective device these " two different, around the member that covers ", their are preferred differently to constitute and they hide and/or cover 90 ° of keeping the device circumference, advantageously at least 120 ° and preferred especially at least greater than 130 ° different angles zone mutually in the running status of work operation at least.These members can hide the angular range of the identical size or the different sizes of this circumference." be arranged on and keep on device and/or the reciprocating motion device " and here especially be interpreted as around keeping device or moving back and forth the circumference of the axis of device less than 3cm.Can provide hand held power machine work operating tight security by the present invention program.
If these two members are provided with toward each other movingly, can realize particularly advantageously saving the protective device in space.Preferably be interpreted as rotatable at this for " movable ".Suggestion in addition, in these two members one is provided with and another is provided with regularly versatilely.Especially represent that at this " versatilely " in two members one is with respect to housing or move back and forth device and be provided with versatilely, and " regularly " represent that especially another member is provided with regularly with respect to housing.Can in good protection, realize good operability by this different layout.
Also suggestion, protective device has at least two grid areas, and they are arranged on the different radiuses.Especially be interpreted as a zone of protective device in this " grid areas "; it is the part of grid; wherein " grid " especially represents a kind of structure here; it has at least three connection straps and/or crosspiece, they preferably be provided with substantially in parallel to each other and/or among them two and/or preferably all three interconnect in a side at least." be arranged on the different radii " and here especially be interpreted as,, have different radiuses or spacing with respect to this axis that keeps device although these grid areas are provided with coaxially with the longitudinal axis that keeps device or move back and forth device.Be arranged on two grid areas on the different radii and preferably be arranged on the member regularly described and/or that be provided with versatilely, wherein, two grid areas can be arranged on the same member and/or on the different members.Therefore these two members are at least one running status of hand held power machine, preferably at the cell structure of a squirrel-cage of run duration formation of working.Can save covering reciprocating motion device in ground, space on the different radii or keep device by being arranged in.Protective device is advantageously with good clear property in addition.Can also realize simple in structurely that thus the free burial ground for the destitute provides the position for the reciprocation position that keeps device or move back and forth on the device intentionally.
A preferred improvement project is at least a portion that covers another member at least one running status in the described member.Preferably change running status during cutter locking and/or release in other words keeps device in this this running status.Here coverage be preferably preferably fixedly install be capped member at least 30%, preferred 60% and be preferably greater than 80% especially, and this coverage realizes with respect to the rotary course of fixed component by movable part.Covering can be arranged on the different radii that keeps device and/or realize without barrier based on the different axial lengths of these members based on these members.Simple and be beneficial to and operatively construct locking and/or release mechanism by realize covering on can structure.The cramped construction of operating unit or protective device can be provided in addition, and this result also saves the space and member ground is realized.
Also suggestion, member that fixedly installs and the movable member that is provided with hide at least 180 ° of the circumference that keeps device and/or move back and forth device and advantageously at least 200 ° of coverings and especially preferably hiding at least greater than 215 ° at least one running status.At this, running status is the work operation of hand held power machine preferably.By realizing enough and effective protection around this layout that keeps device or reciprocating motion device.
Also suggestion is provided with a unit, and it makes the member that fixedly installs intercouple with the movable member that is provided with." unit that is used to intercouple " especially is interpreted as a unit in this respect, and as coupling unit and/or fixed cell, these two members can be coupled aspect the effect and/or interfix and/or support by gravity by it.This coupling can be considered as significant various fixed form such as force closure and/or material is sealed and/or the incompatible realization of special preferable shape by the professional.Be used to make the member that fixedly installs and unit and these two members itself that the movable member that is provided with is coupled for example to constitute a load module, it can be connected with the housing of hand held power machine and/or coupling unit advantageously constitutes integratedly with housing or with at least one housing shell spare and/or coupling unit particularly advantageously two-piece type constitute, wherein each part and a housing shell spare constitute integratedly.Can realize the secure fixation of two members by this unit simple in structurely.
At least one member advantageously constitutes at least one guider that is used for the protective device guide section.Especially be interpreted as an element here for " constituting the member of guider "; as abutment face for example wall and/or the especially space of groove form, it constitutes guider and/or regulation for another member (as one of member as described in the protective device and/or a member of the unit of these two members that are used to be coupled) and/or determines the path of a member." guide section " especially refers to the corresponding profile that is used to lead at this.This member also can constitute integratedly with the unit of two members couplings that are used to make protective device.By the director element of mutual coordination can be simply and the friction free that constitutes two members of protective device effectively rotatablely move.
In addition advantageously, at least one member has and is used at the curve track of at least one running status to another member guiding." curve track " especially is interpreted as a track here, especially has the space of spigot surface, and it has crooked section and/or particularly advantageously is made of the part of circular orbit or circular orbit.Preferably in the running status of replacing cutter, keeping in other words in this curve track, being directed to during device locking and/or the release at this this another member." another member " for example be used to make protective device two members couplings the unit a member and/or be the described movable member of settling and/or be other member that the professional is considered as suiting.Can provide guiding especially accurately by this curve track.In addition movable part rotatablely move can structure on end regions or the backstop gauge by curve track simply.
Propose a reset unit in another program of the present invention, by it, the movable member that is provided with is in to act on an other member and is connected." reset unit " especially is interpreted as a unit here in this respect, and as flexible member and/or especially spring, it is used for storage power and should converts energy to a kind of effect again." effect connect " especially represents a kind of connection here, as indirect connection and/or the connection especially facilitated by contact, by this connection facilitate a kind of effect, as motion." other member " for example be used to make protective device two members couplings the unit a member and/or be the member that fixedly installs, but can expect that also the professional is considered as significant various other member.By reset unit can realize being used to removing the cost of the locking of executive component and/or unlocked position favourable, save space and mechanism simple in structure.If reset unit is configured to spring, can realize the light especially structure of locking and/or release mechanism.
Description of drawings
Can learn other advantage by following description to accompanying drawing.Embodiments of the invention shown in the drawings.Accompanying drawing, specification and claim comprise a large amount of combined feature.The professional also can single aptly these features of investigation and significant other combination of composition.
Accompanying drawing illustrates:
Fig. 1 has the schematic diagram of the thorn saw of protective device of the present invention,
The stereogram of the protective device among Fig. 2 Fig. 1,
The detail view of a member of the protective device among Fig. 3 Fig. 2,
Protective device among Fig. 4 Fig. 2 is in around the position that keeps device to be provided with,
Protective device among Fig. 5 Fig. 2 is in the position that is used for the release cutter.
The specific embodiment
Fig. 1 illustrates the hand held power machine 10 of thorn saw 12 forms, has housing 68, is provided with drive motor 70 and this housing has handle 72 in this housing.This thorn saw 12 has driver element 18 in addition, as be arranged in oscillating drive 76 in the transmission device chamber 74, it is facilitated the reciprocating motion on the vibration-direction 78 and moves back and forth device 14, moves up and down continuously as reciprocating movement rod 80 in the work of stinging saw 12 driving in service thus, and this moves back and forth the cutter 24 that device carries saw blade 82 forms.Move back and forth device 14 and be configured to keep device 20 in addition, it has the cutter holder 84 that is used for cutter 24.Be provided with one in the front area of on operative orientation 86, seeing 88 of this external hand held power machine 10 and be used for the maintenance device 20 of locking and/or release cutter 24 or operating unit 22 and protective device 16 that is used for partly isolating reciprocating motion device 14 or keeps device 20 of maintaining body.The partly coupling aspect effect of operating unit 22 and protective device 16, wherein, protective device 16 is partly movable to be provided with.
In Fig. 2, protective device 16 is shown with detail view.This protective device 16 at least one running status of hand held power machine 10, as work in service during the sawing process, have in other words two different, around the member 30 and 32 that hides, they are arranged on and keep on the device 20 or move back and forth on the device 14 (seeing Fig. 1 and 4).Member 30 is with respect to housing 68 movable settings, and member 32 fixedly installs with respect to housing 68, and two members 30,32 can be provided with moving relative to each other thus.Member 32 that fixedly installs and the movable member 30 that is provided with form the cell structure 90 of squirrel-cage when the 12 work operations of thorn saw, this cell structure is combined into by two grids 92,94.Hide about 220 ° of the circumference 50 that moves back and forth devices 14 or keep device 20 at the work of hand held power machine 10 cell structure in service 90.The axis 96 that this cell structure is basically parallel to unshowned reciprocating motion device 14 here extends from housing 68 inside to guiding unit 98 directions, this pilot unit be provided for hand held power machine 10 on workpiece 100 guiding and constitute with the form of piston shoes 102, wherein, about 40% of cell structure 90 extend beyond the end 104 that moves back and forth device 14 in housing 68 outsides and reach about 1cm (seeing Fig. 1 and 4).Have masked areas different, that directly be connected mutually at this member 30,32, wherein the angular range of member 30 is about 130 °, and the angular range of member 32 is about 90 °.Protective device 16 two grids 92,94 in other words has crooked shape and has four grid areas 34,36,38,40, and they are arranged coaxially with the axis 96 that moves back and forth device 14 on different radius 42,44,46.At this, member 32 forms grid areas 34, and it has three grid bars 106, and these grid bars connect by the tie-beam 110 that extends on vibration-direction 78 on its end regions 108, is provided with and therefore forms an E shape substantially in parallel to each other.Grid areas 34 be arranged on basic unification, compare with 46 on the minimum radius 42 with radius 44.Member 30 has three grid areas 36,38,40, and they are arranged on different radius 42,44 and 46, and wherein, radius 44 is greater than radius 42, but less than radius 46.Grid areas 40 is constituted and is arranged on the radius 44 by three limits 112,114,116 on a square border 118 (also sees Fig. 3).Grid bar 120 connects and is parallel to limit 116 extensions with two limits of extending 112,114 on border 118 on vibration-direction, this grid bar 120 forms grid areas 38.Grid areas 38 is extended on the arc 122 that is provided with radius 46 for this reason, wherein arc 122 surface 124 that moves back and forth device 14 from deviating from of grid areas 40 stretches out being basically perpendicular to the direction 126 that moves back and forth device 14, makes prominent 128 of the operation that is used for locking and/or release cutter 24 tripping-gears move back and forth between the device 14 dative grizzly bars 120 (also seeing Fig. 3 and 4) diametrically.Grid areas 36 is positioned at limit 112 with respect to grid bar 120, the 4th limit 130 on 114 opposite sides and formation border 118, with member 32 the same being arranged on the radius 42, extend internally in the direction 126 that is basically perpendicular to reciprocating motion device 14 from the surface 132 that facing of grid areas 40 moves back and forth device 14.
The member 30 of protective device 16 is shown with detail view in Fig. 3.Limit 112 deviate from the surface 124 that moves back and forth device 14 on the direction on grid bar 120 or limit 130 directly below the limit 116 on protective device 16 executive component 26 of setting operation unit 22, thus operating unit 22 and protective device 16 at least in part one constitute.Executive component 26 is made of action bars 134, and it stretches out (see figure 1) from the 124 outside spaces 136 of pointing to unshowned housing 68 inner surface directions and passing the housing 68 or in the reciprocating movement rod cover cap 138, surface of grid areas 40.By keep operating operation bar 134 on the circumferencial direction 140 of device 20 or by the protective device 16 facilitated thus see counterclockwise rotatablely move by handle 72 to the sight line of pilot unit 98 from the operator, the operator for example can be with the maintenance device release of saw blade 82.Protective device 16 has the interaction region 28 that is configured to additional operations element 26 in addition, the locking of this interaction region and operating unit 22 and/or release mechanism reciprocation.This interaction region 28 roughly is arranged on the height at crosspiece position 142 of grid bar 120 and is made of the side surface 144 that points to limit 114 directions on limit 112.Interaction region 28 is used for executive component release cutter holder 84, that be prominent 128 form of operation or 146 foundation of reciprocation position directly contact (seeing Fig. 4 bottom) when movable part 30 rotation with on keeping device 20.
Facing on the surface 132 that moves back and forth device 14 of grid areas 40 at executive component 26 or action bars 134 offsides, member 30 has the connection strap 150 that inwardly points on radial direction 148, this connection strap is provided with the ring section 152 of extending on about 180 °, wherein, a segmentation 154 is extended in the clockwise direction with about 65 ° angular range, and another segmentation 156 is extended (see figure 2) in the counterclockwise direction with about 115 ° angular range.
At member 30,32 and the confined state of unit 52 down and when thorn saw 12 is in the operating position, the part on the member 56 of being molded over that the ring section 152 of member 30 abuts on the step cutting pattern 168 of unit 52 and surrounds 180 ° of step 168 or surround step 168, wherein, the end 190 of segmentation 154 is arranged on the circumference height identical with step 170 and 176.By this location, segmentation 156 extends in the space 192 of the ring segmentation that constitutes on circumferencial direction 140 between the step 170 of ring-shaped step 168 and part circular and shape remains on wherein sealedly.Also be provided with a ring segment-shaped member 64 in this external space 192 in other words in the part that is made of member 54 in space 192, it covers 180 ° angular range, and thus, the whole circumference of step cutting pattern 168 is surrounded by section of ring 152 or member 64.In addition, on the radial direction 148 from the end 194 of the step 170 of part circular on the surface 198 of outward extending prominent 196 clockwise sensing that abuts in connection strap 150.Space 200 is being extended on the circumferencial direction 140 and is being arranged on diametrically between the step 170 and step 176 of part circular, grid bar 106 shapes of sensing housing 68 directions of member 32 remain in this space 200 sealedly, wherein, the end 202 of grid bar 106 be arranged on step 170 and 176 or the identical circumference height in segmentation 154 ends 190 on.In the sensing of member 32 here on the open end of the grid bar 106 of unshowned pilot unit, form the joint tongue 204 with respect to radius 42 outside bendings, it is used for being embedded in the unshowned space in housing 68 or the housing shell spare 160 here and fixed component 32 thus.But can expect also that in principle member 32 and member 30 are the same to have an other tie-beam for it is stable, this tie-beam is arranged on tie-beam 110 opposites and grid bar 106 is connected on their other end regions.
Upwards extend on circumferencial direction 140 between step 176 and step 178 in 206 footpaths, an other space, is provided with the reset unit 66 of spring 208 forms in this space 206.By reset unit 66, the movable member that is provided with 30 and member 32,54,56 with 64 or unit 52 be in effect and be connected, thus, protective device 16 or member 30 reset to the operating position at locking and/or unlocked position (see figure 5) again by spring stress.Member 30 turns back to the reseting movement of hand held power machine 10 operating positions by gauge element gauge, and this gauge element constitutes (see figure 2) by prominent 196.Realize the pre-tensioning of spring 208 when the 12 work operations of thorn saw in addition thus.For fixing spring 208, on bar 174, form the pin 210 of a circle that points to clockwise, the end 212 of spring 208 is inserted on this pin.The other end 214 of spring 208 is inserted on the pin 210 of circle of counterclockwise sensing, this pin be molded over limit 116 on the upper side 216 that shortens on the circumferencial direction 140.
The upper side 216 of the segmentation 154 of this external member 30 or ring section 152 and the shortening on limit 116 is formed for guiders 58 guide section 60 or corresponding profile 220, space 218 forms, and this guide section or corresponding profile are combined into by the uppermost grid bar 106 of the member 32 of part circular step 170, step 176 and protective device 16.The space 192 additional guiders 58 that are configured for section of ring 152 and member 64, ring section 152 and member 64 are configured to guide section 60.This external member 30,54 and 56 has curve track 62 in the operating position and at unlocked position, is the form of space 192,218 and corresponding profile 220, has spigot surface 222 respectively, is used for to member 30,54 56 and 64 guiding.
At assembling mounting structure 32 at first during protective device 16, its mode is, top grid bar 106 is inserted in the space 200 of member 54 or housing shell spare 160 and joint tongue 204 is inserted in the unshowned space of housing 68.In addition member 64 is inserted in the space 192.Import to spring 208 in the space 206 then and be inserted on the pin 210 that is molded on the bar 174.Then member 30 is presented in member 56 or the housing shell spare 162, makes action bars 134 pass space 136.For final assembling, housing shell spare 162 is connected with housing shell spare 160 so now, makes the end 214 of spring 208 be embedded in the pin 210 on the upper side 216 that is molded over limit 116.
The releasing process of cutter 24 will be described by means of Figure 4 and 5 now.Protective device 16 in hand held power machine 10 courses of work shown in Figure 4. Member 30 and 32 covers 220 ° of angular ranges of the circumference 50 that moves back and forth device 14 or keep device 20 and therefore crosses and moves back and forth device 14 or keep the end 104 of device 20 to extend, wherein member 32 is constructed shortly than member 30, and gap is the development length of limit 130 on vibration-direction 78 of member 30.Here corresponding to the spring shown in Fig. 2 208, so it compresses unshowned spring hardly aspect its pre-tensioning.Step 168,170,176,178 and the mutual layout of ring section 152 or member 64 corresponding to the layout described in Fig. 2.As showing here, the radius 44 on limit 112 is coordinated mutually with the radius 46 of grid bar 120 and prominent 128 radial spacing 224 to reciprocating motion device 14 axis 98 of operation, wherein, radius 44 less than prominent 128 of operation to the spacing 224 of axis 98 and radius 46 greater than prominent 128 spacings 224 of operation to axis 98.If make member 30 rotation counterclockwise of protective device 16 now by operating operation element 26; then the side surface 144 on interaction region 28 or limit 112 because radius 44 is less with reciprocation position 146 or be used for release cutter holder 84 and prominent 128 of the operation of cutter 24 produces and directly contact; the prominent head of reciprocation position or operation is moved to move back and forth in the device 14; here unshowned; point in the space of circumferencial direction 140; the motion that causes up to the side by the tie-beam 110 of member 32 of prominent 128 of operation stops to stop on the backstop 226 in curve track 62 or space 218 up to guide section 60 in other words; thereby the perhaps spring 208 compactings shape that exists it at utmost to compress; as shown in Figure 5, Fig. 5 illustrates the cutter unlocked position when changing cutter.Make cutter holder 84 releases and cutter 24 is taken out by prominent 128 of operating operation.Member 30 one about 95% part 48 of covering member 32 at least when protective device 16 is in released state, wherein member 30 is arranged on the outside and member 32 is arranged on inside diametrically on radial direction 148.Locking process and releasing process carry out similarly.
Claims (15)
1. hand held power machine; especially thorn saw (12) has reciprocating motion device (14) and has at least one protective device (16), and this protective device is used for isolating at least in part this reciprocating motion device (14); it is characterized in that described protective device (16) is provided with at least in part versatilely.
2. hand held power machine; having one has driver element (18), at least one operating unit (22) that keeps device (20) and has the protective device (16) that at least one is used for isolating at least in part this maintenance device (20); this operating unit is used for locking at least and/or release this maintenance device (20) in particular for cutter (24); it is characterized in that described operating unit (22) and protective device (16) coupling aspect effect at least in part.
3. hand held power machine as claimed in claim 1 or 2 is characterized in that, goes up the executive component (26) of setting operation unit (22) at protective device (16).
4. as each described hand held power machine in the above-mentioned claim, it is characterized in that an operating unit (22), this operating unit and protective device (16) to small part constitutes integratedly.
5. as each described hand held power machine in the above-mentioned claim; it is characterized in that; described protective device (16) has at least one interaction region (28), the locking of described interaction region and operating unit (22) and/or release mechanism reciprocation.
6. hand held power machine as claimed in claim 1 or 2 is characterized in that, at least one running status two different, be arranged on around the member (30,32) that covers and move back and forth device and/or keep on the device (14,20).
7. hand held power machine as claimed in claim 6 is characterized in that, these two members (30,32) can be provided with moving relative to each other.
8. hand held power machine as claimed in claim 6 is characterized in that, one in these members (30,32) is provided with versatilely, and another member (30,32) is provided with regularly.
9. as each described hand held power machine in the above-mentioned claim, it is characterized in that described protective device (16) has at least two grid areas (34,36,38,40), they are arranged on the different radius (42,44,46).
10. hand held power machine as claimed in claim 6 is characterized in that, the member (30) in these members covers a part (48) of another member (32) at least at least one running status.
11. hand held power machine as claimed in claim 6, it is characterized in that, member that fixedly installs (32) and the movable member (30) that is provided with cover 180 ° of circumference (50) that move back and forth device and/or keep device (14,20) at least at least one running status.
12. hand held power machine as claimed in claim 6 is characterized in that a unit (52), this unit intercouples the member (32) that fixedly installs with the movable member (30) that is provided with.
13., it is characterized in that at least one member (30,54,56) forms at least one guide section (60) that at least one guider (58) is used for protective device (16) as each described hand held power machine in the above-mentioned claim.
14., it is characterized in that at least one member (30,54,56) has the curve track (62) that is used for another member (30,56,64) guiding as each described hand held power machine in the above-mentioned claim at least one running status.
15. hand held power machine as claimed in claim 6 is characterized in that a reset unit (66), the movable member (30) that is provided with is in effect by this reset unit and another member (32,54,56,64) and connects.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008041095A DE102008041095A1 (en) | 2008-08-07 | 2008-08-07 | Hand tool |
| DE102008041095.0 | 2008-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101642832A true CN101642832A (en) | 2010-02-10 |
Family
ID=41129563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910161896A Pending CN101642832A (en) | 2008-08-07 | 2009-08-07 | Hand-held power tool |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101642832A (en) |
| DE (1) | DE102008041095A1 (en) |
| GB (1) | GB2462366A (en) |
| RU (1) | RU2009130129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551224A (en) * | 2013-10-29 | 2015-04-29 | 罗伯特·博世有限公司 | Mains-operated portable power tool |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006041397A1 (en) * | 2006-09-04 | 2008-03-06 | Robert Bosch Gmbh | Hand tool |
| US8555516B2 (en) | 2010-03-25 | 2013-10-15 | Black & Decker Inc. | Pivoting blade retainer |
| DE102022205095A1 (en) | 2022-05-23 | 2023-11-23 | Robert Bosch Gesellschaft mit beschränkter Haftung | Machine tool device, machine tool and system |
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| US2822005A (en) * | 1956-11-15 | 1958-02-04 | Black & Decker Mfg Co | Jig saw attachment |
| US4204446A (en) * | 1978-11-06 | 1980-05-27 | Knochel E Stanley | Work table and hold-down assembly for power hand saw |
| US4870755A (en) * | 1987-10-08 | 1989-10-03 | Metabowerke Gmbh & Co. | Jigsaw with pneumatic dust blower |
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| CN2717591Y (en) * | 2004-02-05 | 2005-08-17 | 南京德朔实业有限公司 | Sweep-saw with lifting blade and rotating saw bit function |
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| CN101132877A (en) * | 2005-03-02 | 2008-02-27 | 罗伯特·博世有限公司 | Hand-held electric saw |
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| EP0492746B1 (en) * | 1990-12-28 | 1996-05-08 | Emerson Electric Co. | Hedge trimmer |
| ITFG990003A1 (en) * | 1999-02-22 | 2000-08-22 | Marco Cecchi | ALTERNATIVE ELECTRIC SAW, WITH TOOTHED BLADE SUPPORTED BY PENDULUM ARMS, WITH BLADE COVER SHEATH AND REVOLVING PINK COVER SUPPORT |
| JP2002337101A (en) * | 2001-05-15 | 2002-11-27 | Makita Corp | Jigsaw |
| US6851194B1 (en) * | 2003-10-06 | 2005-02-08 | Motomax Electric Co., Ltd. | Reciprocating saw having a blade holding device |
| CN2885472Y (en) * | 2005-12-13 | 2007-04-04 | 南京德朔实业有限公司 | Saw bit holding device for reciprocating saw |
-
2008
- 2008-08-07 DE DE102008041095A patent/DE102008041095A1/en not_active Withdrawn
-
2009
- 2009-08-03 GB GB0913529A patent/GB2462366A/en not_active Withdrawn
- 2009-08-06 RU RU2009130129/21A patent/RU2009130129A/en not_active Application Discontinuation
- 2009-08-07 CN CN200910161896A patent/CN101642832A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2822005A (en) * | 1956-11-15 | 1958-02-04 | Black & Decker Mfg Co | Jig saw attachment |
| US4204446A (en) * | 1978-11-06 | 1980-05-27 | Knochel E Stanley | Work table and hold-down assembly for power hand saw |
| US4870755A (en) * | 1987-10-08 | 1989-10-03 | Metabowerke Gmbh & Co. | Jigsaw with pneumatic dust blower |
| US20020178588A1 (en) * | 2001-05-23 | 2002-12-05 | Michio Okumura | Reciprocating cutting tools having devices for limiting scattering of cutting chips |
| CN2717591Y (en) * | 2004-02-05 | 2005-08-17 | 南京德朔实业有限公司 | Sweep-saw with lifting blade and rotating saw bit function |
| CN101132877A (en) * | 2005-03-02 | 2008-02-27 | 罗伯特·博世有限公司 | Hand-held electric saw |
| CN1974093A (en) * | 2005-11-28 | 2007-06-06 | 百得有限公司 | Power tool having means for removing debris from workpiece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551224A (en) * | 2013-10-29 | 2015-04-29 | 罗伯特·博世有限公司 | Mains-operated portable power tool |
| US10354823B2 (en) | 2013-10-29 | 2019-07-16 | Robert Bosch Gmbh | Handheld power tool having a restart protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2462366A (en) | 2010-02-10 |
| GB0913529D0 (en) | 2009-09-16 |
| RU2009130129A (en) | 2011-02-20 |
| DE102008041095A1 (en) | 2010-02-11 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100210 |