CN101568409B - Hand held power tool - Google Patents
Hand held power tool Download PDFInfo
- Publication number
- CN101568409B CN101568409B CN2007800484065A CN200780048406A CN101568409B CN 101568409 B CN101568409 B CN 101568409B CN 2007800484065 A CN2007800484065 A CN 2007800484065A CN 200780048406 A CN200780048406 A CN 200780048406A CN 101568409 B CN101568409 B CN 101568409B
- Authority
- CN
- China
- Prior art keywords
- jackshaft
- hand held
- held power
- power machine
- conversion equipment
- 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
Links
- 238000009527 percussion Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 42
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 4
- 238000009933 burial Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D16/006—Mode changers; Mechanisms connected thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
- B25D2211/06—Means for driving the impulse member
- B25D2211/061—Swash-plate actuated impulse-driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0015—Tools having a percussion-only mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0023—Tools having a percussion-and-rotation mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0038—Tools having a rotation-only mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0046—Preventing rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0084—Mode-changing mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/005—Adjustable tool components; Adjustable parameters
- B25D2250/011—Bits, e.g. adjusting bits by setting in the desired angular position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to a hand held power tool, in particular a percussion drill, having a switch device (12) which comprises an axially displaceable intermediate shaft (14) and a gear unit (16) arranged on the intermediate shaft (14) and which is provided for switching between different drive modes and/or drive speeds of a tool. It is suggested that the intermediate shaft (14) and the gear unit (16) be movable in the axial direction (18, 98) relative to each other.
Description
Technical field
The present invention relates to a kind of hand held power machine as described in the preamble by claim 1.
Background technology
Known have such hand held power machine, especially a hammer drill, its have have one can axially movable jackshaft and be arranged on the gear unit on this jackshaft conversion equipment.At this, gear unit can move axially with jackshaft usually.Conversion equipment is designed between the different driving mode of instrument and/or actuating speed and changes.
Advantage of the present invention
The present invention relates to a kind of hand held power machine; Especially hammer drill; Has a conversion equipment; This conversion equipment has one can be arranged on the gear unit on this jackshaft by axially movable jackshaft and, and this conversion equipment is designed between the different driving mode of instrument and/or actuating speed and changes.
The present invention proposes, and jackshaft and gear unit can move vertically relative to each other, can realize conversion equipment compact, that have switching mechanism simple in structure thus.For between gear unit and jackshaft, producing relative motion vertically; Can carrier wheel unit and/or especially advantageously removable jackshaft at this; Feasible operator as far as conversion equipment or hand held power machine is because the little inertia of quality to be moved can be realized moving especially easily.Gear unit is advantageously vertically with respect to the housing of hand held power machine and/or with respect to a slave unit---especially a hammer is managed---, and fixed-site ground is provided with.In this article " axially " be interpreted as such direction, it preferably extends along the principal spread direction of jackshaft, especially extends along the length of jackshaft.
Propose in addition, gear unit has at least two gears that can rotate with being independent of each other, can advantageously realize being used for the different velocities of rotation of the slave unit of a rotation thus, and this slave unit is used to produce the working motion of the rotation of cutter.The gear of gear unit preferably is provided with different working diameter or different gearratios.If said gear one of at least has at least one and be arranged on radially inner lip-deep switching mechanism, so advantageously implementation structure is delivered to driving torque on gear and/or the gear unit simply.In addition, this can especially simply realize, if jackshaft has the switching mechanism corresponding with the switching mechanism of gear.
The antitorque commentaries on classics of switching mechanism ground and be arranged on the jackshaft regularly at axial location is proposed in a kind of favourable expansion of the present invention.Especially when switching mechanism is set directly on the jackshaft, can in the transmission of driving torque, obtain especially compact conversion equipment, and therefore can save extra connection and/or connection, be arranged on the parts between jackshaft and the switching mechanism.In addition, can be by making jackshaft move to the structural transmission that realizes driving torque on the different gears of gear unit.
If conversion equipment has a connection element; Jackshaft can be connected on the driving torque transfer device through this connection element; Can, hand held power machine under the situation that keeps switching mechanism compact structure mode, realize driving torque advantageously is delivered on the jackshaft when moving so.The driving torque transfer device can constitute by a driver element or by the armature shaft of this driver element, or especially advantageously is made up of an intermediate sleeve.
If conversion equipment has a percussion mechanism (Schlagwerksanordnung), this percussion mechanism can be realized especially compact and cheap conversion equipment so by means of jackshaft mobile being switched on or switched off vertically.Jackshaft this can be directly or the conversion element crossed in the middle of being connected of turned be connected on the percussion mechanism.If conversion equipment also has variable blocking function; This blocking function can be by means of jackshaft moving and changed vertically, so in addition can be by means of the conversion simple in structure of the mobile realization different driving mode of parts, especially jackshaft in the conversion equipment.
In another kind of form of implementation of the present invention, propose, conversion equipment has a single executive component, and this executive component is designed between different type of drive and actuating speed and changes.Therefore can be that the operator who has the hand held power machine of this conversion equipment realizes operation comfort highly by means of the simple conversion logic of conversion equipment.
If executive component is made up of a rotary handle, can advantageously realize conversion especially friendly between different driving mode and/or the actuating speed so to the operator.
Description of drawings
Other advantage is drawn by following description of drawings.A kind of form of implementation of the present invention shown in the drawings.The a plurality of characteristics that comprise in accompanying drawing, specification and the claim can make up.Those skilled in the art can consider these characteristics aptly separately, also can have a mind to the free burial ground for the destitute these characteristics are further made up summary.Among the figure:
(Fig. 1 has illustrated the difference setting (Fig. 1 b to Fig. 1 f) by hand held power machine of the present invention and executive component in a) to Fig. 1 at schematic side view
Fig. 2 is the schematic side elevation of the conversion equipment of hand held power machine shown in Figure 1 in first dislocation;
Fig. 3 is the schematic side elevation of the conversion equipment of hand held power machine in second dislocation;
Fig. 4 is the schematic side elevation of the conversion equipment of hand held power machine in the 3rd dislocation;
Fig. 5 is the schematic side elevation of the conversion equipment of hand held power machine in the 4th dislocation, and;
Fig. 6 is the schematic side elevation of the conversion equipment of hand held power machine in the 5th dislocation;
The specific embodiment
In Fig. 1 a, illustrated by hand held power machine 10 of the present invention, that constitute by hammer drill.Hand held power machine 10 comprises that one has the main handle 38 of executive component 40, and this executive component is used to be switched on or switched off the driver element 50 of hand held power machine 10.Hand held power machine 10 also comprises conversion equipment 12, and it is designed between different driving mode and/or the actuating speed of the cutter in cutter receiver 42 and changes.For this reason; Conversion equipment 12 has a single executive component 36 that is formed by rotary handle; This executive component be arranged on hand held power machine 10 in the zone of cutter receiver 42, and this operating means can be used between different type of drive and actuating speed, changing by the operator of hand held power machine 10.
Be provided with the swing sleeve 96 of percussion mechanism 34 or percussion mechanism 34 around the end 62 of the driving side of jackshaft 14 or around the tooth sleeve.At this, percussion mechanism 34 can be supported around jackshaft 14 or tooth sleeve through two supporting arrangements 64,66 rotationally.For driving torque being delivered on the swing sleeve 96, the tooth sleeve has connection element 70 in the end 68 of driving side.At this, connection element 70 is coupled in the connection element 72 percussion mechanism 34, a correspondence (Fig. 2 to 6).
Jackshaft has gearshift 28 in the end 74 of the driving side of jackshaft 14, and this gearshift forms by taking toothing.In addition, gearshift 28 antitorque commentaries on classics and being arranged on the jackshaft 14 to 18,98 fixed-site vertically.By means of gearshift 28, the driving torque of jackshaft 14 is delivered on the gear unit 16.Gear unit 16 vertically 18,98 with respect to the drive unit 76 fixed-site ground that forms by hammer pipe, can be supported rotationally around jackshaft 14, so jackshaft 14 is when moving axially, the relative gear unit 16 of this jackshaft moves.In addition, gear unit 16 has two gears 20,22, and said two gears can support around jackshaft 14 with being independent of each other rotationally, and wherein, each gear 20,22 is connected with the slave unit 76 that is formed by the hammer pipe respectively rotationally.For this reason, slave unit 76 comprises two connection elements 92,94 that formed by a toothing respectively, wherein, and connection element always 92,94 of slave unit 76 and the engagement of one of the gear 20,22 of gear unit 16.When hand held power machine 10 operations; Driving torque is delivered to gear unit 16 or is delivered to two gears 20 from jackshaft 14 through the switching mechanism 28 with jackshaft 14 Construction integrations; On one of 22; This switching mechanism 28 is coupled in the switching mechanism 24,26 respective gears 20,22, that have the toothing corresponding with the switching mechanism of jackshaft 14 28 (Fig. 2 to 6).In addition, two gears 20,22 have different working diameter 78,80, wherein, under the identical situation of gear tooth configuration, have the working diameter 80 bigger than gear 22 towards the gear 22 of percussion mechanism 34.
For being transformed into different dislocation, executive component 36 is connected with jackshaft 14 by means of the coupling arrangement that is not shown specifically.Executive component 36 causes jackshaft 14 18 to move vertically along direction 90 rotation in the clockwise direction, perhaps is in reverse to direction 90 rotating operation elements 36 and will causes jackshaft 14 98 to move (Fig. 1 b to 1f) vertically.Following description operation element 36 is cut the conversion of operation (Fig. 1 b and 2) to the pure operation of drilling fast (Fig. 1 f and 6) along direction 90 from pure cutter.Reverse in the conversion of direction 90 by the operator with the opposite order realization executive component 36 of following gearshift, so detailed.
The pure cutter that hand held power machine 10 has been shown in Fig. 2 is cut operation.Executive component 36 is positioned at cutter and cuts run location (Fig. 1 b); And jackshaft 14 is positioned at the terminal location of outlet side; In this terminal location; 58 of the connection elements of the connection element 60 relative tooth sleeves of jackshaft 14 have distance ground to be provided with, and interrupt to the transmission of the driving torque of jackshaft 14 from the tooth sleeve.At this,---this locking element is after direction 98 is arranged on gear unit 16---is in the locked position of coupler with the switching mechanism 28 of jackshaft 14 to be bearing in the locking element 82 on the jackshaft 14.At this, locking element 82 has the interior toothing that is not shown specifically, and toothing meshes with the switching mechanism 28 of jackshaft 14 in this locked position of coupler in this.Be locking, the housing 46 fixed-site ground of locking element 82 relative hand held power machines 10 is by locking (Fig. 2).The tooth sleeve is in the terminal location of percussion mechanism 34 by means of the spring force of the spring element 48 of driving bearing 44, and this spring force 98 acts on the tooth sleeve vertically.At this, connection element 70 interlockings of tooth sleeve are in the connection element 72 of percussion mechanism 34.By means of connection element 70, the tooth sleeve is delivered to the swing sleeve 96 of percussion mechanism 34 with driving torque, is used to the cutter that is arranged in cutter receiver 42 and produces shock pulse.
If executive component 36 by the operator along direction 90 turn over about 45 the degree and be set on the run location with variable blocking function, then at this moment jackshaft 14 18 moves (Fig. 1 c and 3) vertically.Through jackshaft 14 18 move vertically; Lock position between the interior toothing of locking element 82 or locking element 82 and the switching mechanism 28 of jackshaft 14 is cancelled; And the cutter in the cutter receiver 42 is for example cut a hole the sharpener tool and can be rotated or the location by the operator.58 of the connection elements of the also relative tooth sleeve of connection element 60 of jackshaft 14 have distance ground to be provided with.
If executive component 36 continues to turn over about 45 degree by the operator along direction 90, and is set in the run location that impacts the drilling operation, then jackshaft 14 further 18 moves (Fig. 1 d and 4) vertically.The connection element 60 of jackshaft 14 is fitted in the connection element 58 of tooth sleeve, and when hand held power machine 10 operations, driving torque is delivered on the jackshaft 14 from the tooth sleeve.The conversion equipment 28 of jackshaft 14 is in gearshift 24 engagements of first gear 20 of this and gear unit 16.Driving torque is delivered on the gear 20 of gear unit 16 or gear unit 16 and therefore drives the slave unit 76 that is formed by the hammer pipe from jackshaft 14, slave unit 76 with transmission of torque to the cutter that is arranged in cutter receiver 42.In addition, in service at hand held power machine 10, driving torque is delivered on the percussion mechanism 34 via connection element 70,72 from the tooth sleeve.The working motion that cutter rotates and impacts when hand held power machine 10 operations.
If executive component 36 is continued to turn over about 45 degree along direction 90 by the operator, and is set in the run location of the pure drilling operation of jogging speed, then jackshaft 14 will continue 18 to move (Fig. 1 e and 5) vertically.By means of moving of jackshaft 14, the tooth sleeve overcomes elastic force 18 motions equally vertically of spring element 48.At this, the connection element 70 of tooth sleeve moves out from the connection element 72 of percussion mechanism 34, makes the setting of turning up the soil of these connection element mutual spacings, and when the driving torque of percussion mechanism 34 is delivered in operation, interrupts.Therewith concurrently; The conversion equipment 28 of jackshaft 14 also 18 moves with jackshaft 14 vertically, and wherein, gearshift 28 continues gearshift 24 engagements with the gear 20 of gear unit 16; Therefore by means of gear 20, be passed on the slave unit 76 with the same actuating speed of impact drilling operation.The cutter that is arranged in cutter receiver 42 only carries out rotational motion when the operation of hand held power machine 10.
If executive component 36 continues to turn over about 45 degree by the operator along direction 90, and when being set in the run location of pure fast drilling operation, jackshaft 14 continue vertically 18 move to driving side terminal location (Fig. 1 f and 6).By means of moving of jackshaft 14, the tooth sleeve continues to overcome the elastic force motion of spring element 48, and the connection element 58 that the connection element 60 of tooth sleeve continues relative percussion mechanism 34 is provided with being separated by.Therewith concurrently; Gearshift 28 also 18 moves with jackshaft 14 vertically, and by taking in gearshift 28 that toothing forms shifted out and moved to gear unit 16 from the gearshift 24 of gear 22 by means of jackshaft 14 the gearshift 26 of gear 22.Because the working diameter 80 that the relative gear of gear 22 20 is bigger, can be to the higher actuating speed of the slave unit that constitutes by the hammer pipe 76 transmission when hand held power machine 10 operations, and the cutter that is arranged in cutter receiver 42 is proceeded rotational motion.
Claims (11)
1. hand held power machine; Have a conversion equipment (12), this conversion equipment has one can be arranged on the gear unit (16) on this jackshaft (14) by axially movable jackshaft (14) and, and said conversion equipment is set for the different driving mode of a cutter and/or the conversion between the actuating speed; Wherein, Said jackshaft (14) and said gear unit (16) (18,98) vertically move relative to each other, it is characterized in that; Said gear unit (16) has at least two gears (20,22) that can rotate with being independent of each other.
2. hand held power machine as claimed in claim 1 is characterized in that, at least one of said gear (20,22) has at least one and be arranged on a radially inner lip-deep switching mechanism (24,26).
3. hand held power machine as claimed in claim 2 is characterized in that, said jackshaft (14) has the switching mechanism (28) that is associated with the switching mechanism (24,26) of said gear (20,22).
4. hand held power machine as claimed in claim 3 is characterized in that, is arranged on the said jackshaft (14) to the antitorque commentaries on classics of said switching mechanism (28).
5. hand held power machine as claimed in claim 3 is characterized in that, said switching mechanism (28) is arranged on the said jackshaft (14) to (18,98) fixed-site vertically.
6. like the described hand held power machine of one of claim 1 to 5, it is characterized in that said conversion equipment (12) has a coupling arrangement (30), said jackshaft (14) can be connected on the driving torque transfer device (32) through this coupling arrangement.
7. hand held power machine as claimed in claim 1 is characterized in that, said conversion equipment (12) has a percussion mechanism (34), this percussion mechanism can by means of said jackshaft (14) vertically (18,98) mobile be switched on or break off.
8. hand held power machine as claimed in claim 1 is characterized in that, said conversion equipment (12) has a variable blocking function, this blocking function can by said jackshaft (14) vertically the mobile quilt of (18,98) change.
9. hand held power machine as claimed in claim 8 is characterized in that, said conversion equipment (12) has an independent executive component (36), and this executive component is set in different type of drive and the conversion between the actuating speed.
10. hand held power machine as claimed in claim 9 is characterized in that, said executive component (36) is made up of a rotary handle.
11., it is characterized in that said hand held power machine is a hammer drill like the described hand held power machine of one of claim 1 to 5.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610061624 DE102006061624A1 (en) | 2006-12-27 | 2006-12-27 | Hand tool i.e. hammer drill, has gear wheel unit switching between different drive modes and/or drive speeds of tool, where intermediate shaft and gear wheel unit are movable relative to each other in axial direction |
DE102006061624.3 | 2006-12-27 | ||
PCT/EP2007/061655 WO2008080658A1 (en) | 2006-12-27 | 2007-10-30 | Hand held power tool |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101568409A CN101568409A (en) | 2009-10-28 |
CN101568409B true CN101568409B (en) | 2012-10-03 |
Family
ID=38983399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800484065A Expired - Fee Related CN101568409B (en) | 2006-12-27 | 2007-10-30 | Hand held power tool |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2104594B1 (en) |
CN (1) | CN101568409B (en) |
DE (1) | DE102006061624A1 (en) |
RU (1) | RU2456151C2 (en) |
WO (1) | WO2008080658A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100513090C (en) | 2007-10-30 | 2009-07-15 | 常州赛迪电气制造有限公司 | Dual-speed multifunctional electric hammer |
DE102014219393A1 (en) * | 2014-09-25 | 2016-03-31 | Robert Bosch Gmbh | Operating control device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4216808A1 (en) * | 1992-05-21 | 1993-11-25 | Hilti Ag | Mechanical drill and chisel machine - has counter shaft with axial cog and striker mechanism selectively in mesh with cogs on main spindle |
DE19801986A1 (en) * | 1997-04-18 | 1998-10-22 | Hitachi Koki Kk | Hammer drilling machine |
US6192996B1 (en) * | 1999-08-26 | 2001-02-27 | Makita Corporation | Mode changing mechanism for use in a hammer drill |
EP1422028A1 (en) * | 2002-11-20 | 2004-05-26 | Makita Corporation | Hammer drill with a mechanism for preventing inadvertent hammer blows |
CN1709651A (en) * | 2004-06-16 | 2005-12-21 | 株式会社牧田 | Power impact tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3322965A1 (en) * | 1983-06-25 | 1985-01-03 | Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker | Drilling machine |
RU2028925C1 (en) * | 1990-05-14 | 1995-02-20 | Научно-исследовательский институт радиофизических измерений | Electromagnetic impact tool |
DE19651828A1 (en) * | 1996-12-13 | 1998-06-18 | Bosch Gmbh Robert | Multi-speed gearbox for hand machine tools |
DE19700754A1 (en) * | 1997-01-11 | 1998-07-16 | Bosch Gmbh Robert | Hand tool |
RU2200816C2 (en) * | 2000-05-26 | 2003-03-20 | Колган Юрий Никитович | Rotative-percussive drilling machine |
JP3843914B2 (en) * | 2002-08-27 | 2006-11-08 | 松下電工株式会社 | Hammer drill |
-
2006
- 2006-12-27 DE DE200610061624 patent/DE102006061624A1/en not_active Withdrawn
-
2007
- 2007-10-30 RU RU2009128740/02A patent/RU2456151C2/en not_active IP Right Cessation
- 2007-10-30 WO PCT/EP2007/061655 patent/WO2008080658A1/en active Application Filing
- 2007-10-30 CN CN2007800484065A patent/CN101568409B/en not_active Expired - Fee Related
- 2007-10-30 EP EP07822009.2A patent/EP2104594B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4216808A1 (en) * | 1992-05-21 | 1993-11-25 | Hilti Ag | Mechanical drill and chisel machine - has counter shaft with axial cog and striker mechanism selectively in mesh with cogs on main spindle |
DE19801986A1 (en) * | 1997-04-18 | 1998-10-22 | Hitachi Koki Kk | Hammer drilling machine |
US6192996B1 (en) * | 1999-08-26 | 2001-02-27 | Makita Corporation | Mode changing mechanism for use in a hammer drill |
EP1422028A1 (en) * | 2002-11-20 | 2004-05-26 | Makita Corporation | Hammer drill with a mechanism for preventing inadvertent hammer blows |
CN1709651A (en) * | 2004-06-16 | 2005-12-21 | 株式会社牧田 | Power impact tool |
Also Published As
Publication number | Publication date |
---|---|
EP2104594A1 (en) | 2009-09-30 |
CN101568409A (en) | 2009-10-28 |
RU2009128740A (en) | 2011-02-10 |
EP2104594B1 (en) | 2016-01-06 |
WO2008080658A1 (en) | 2008-07-10 |
RU2456151C2 (en) | 2012-07-20 |
DE102006061624A1 (en) | 2008-07-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101443161B (en) | Mode change mechanism for a power tool | |
CN101541480B (en) | Hand-held power tool | |
US6460627B1 (en) | Drilling and/or chiseling device | |
US6223833B1 (en) | Spindle lock and chipping mechanism for hammer drill | |
CN100515687C (en) | Power tool | |
EP1157788B1 (en) | Rotary hammer mode change mechanism | |
CN101312807B (en) | Hammer drill having three operating modes | |
US20090308626A1 (en) | Electric hand tool | |
CN101111350B (en) | Module for an electric tool and an electric tool equipped with a module of this type | |
JP4113718B2 (en) | Switch mechanism for hand-held tool device | |
JP4920833B2 (en) | Hand tool device | |
JP2002059375A (en) | Hand power tool device | |
US6093130A (en) | Multi-speed transmission for electrical power tools | |
CN102189284A (en) | Hammer drill device | |
CN101568409B (en) | Hand held power tool | |
CN102076994B (en) | Multi-gear transmission device and power tool | |
CN101903135A (en) | Portable power tool | |
CN101657301B (en) | Hand-held power tool | |
JPH10180513A (en) | Multistage transmission for hand holding type machine tool | |
CN101541481B (en) | Hand-held power tool | |
CN210650548U (en) | Multi-mode switching hammer drill tool | |
CN214446109U (en) | Electric hammer capable of stably switching working state | |
CN211639780U (en) | Electric hammer function switching mechanism | |
CN102784949A (en) | Electric tool and transmission mechanism thereof | |
CN104251294A (en) | Hand-held power tool transmission device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20171030 |