CN203863643U - Handheld electric tool - Google Patents

Handheld electric tool Download PDF

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Publication number
CN203863643U
CN203863643U CN201420170336.8U CN201420170336U CN203863643U CN 203863643 U CN203863643 U CN 203863643U CN 201420170336 U CN201420170336 U CN 201420170336U CN 203863643 U CN203863643 U CN 203863643U
Authority
CN
China
Prior art keywords
working head
output shaft
sheath
locking member
hand tool
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
CN201420170336.8U
Other languages
Chinese (zh)
Inventor
徐刚
汪方勇
梁冰
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.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
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 Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201420170336.8U priority Critical patent/CN203863643U/en
Application granted granted Critical
Publication of CN203863643U publication Critical patent/CN203863643U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a handheld electric tool. The handheld electric tool comprises a housing, an output shaft, a storage clamp, a locking piece, a protective jacket, a first elastic piece and a sliding cover, wherein the output shaft is provided with a containing hole which is arranged axially and can contain a working head, a containing groove which can be communicated with the containing hole in the radial direction is formed in the output shaft, the storage clamp is provided with a containing bin which can contain the working head, the locking piece is contained in the containing groove and can move in the radial direction of the output shaft, the protective jacket is provided with a first position wherein the working head is locked, a second position where the locking piece is released and a third position where the working head is released, the first position is located between the second position and the third position, the first elastic piece can drive the protective jacket to move from the second position to the third position after the protective jacket passes through the first position, the sliding cover abuts against the protective jacket so that the protective jacket can be kept at the first position, the sliding cover is arranged on the housing in the mode that the sliding cover can move in the axial direction, and thus the working head is driven to enter or come out of the containing bin. According to the handheld electric tool, when the working head enters the tool or is pulled out of the tool, reliable locking can be achieved, unlocking needs to be conducted firstly, and thus accidents are avoided.

Description

Electric hand tool
Technical field
The utility model relates to a kind of power tool, particularly relates to a kind of electric hand tool of drill gun class.
Background technology
In existing drill gun class power tool, generally include electric drill, screwdriver, percussion drill etc.
Conventionally, user need to carry out dissimilar operation in the time carrying out operation, as the turn of the screw, boring etc.So, need to change continually working head, bring great inconvenience to operator, one side is changed loaded down with trivial details, and the working head changing on the other hand is easily lost.
For this reason, there is storage and the quick-replaceable power tool that some can realize working head.This class power tool, is provided with the storage folder that can store working head.This power tool, in the time that working head is released from tool interior, working head needs secure ratcs, to prevent that working head from pulleding into instrument outside in unwanted situation; In addition, in the time packing working head into tool interior from outside, working head needs secure ratcs equally, requires the not release can not entering tool inside, so as to avoid an accident.
Utility model content
Based on this, be necessary to propose a kind of electric hand tool, it can give working head secure ratcs, and it can give working head secure ratcs in the time that working head is released from inside, can not be drawn out instrument outside; While packing working head into from outside, also can ensure secure ratcs simultaneously, could entering tool inside after release.
A kind of electric hand tool, comprising: casing; Output shaft, has the accepting hole that can hold working head of axial setting, and described output shaft is provided with the accepting groove with described accepting hole radial communication; Storage folder, having can be by the storehouse of accommodating of described working head storage; Locking member, is housed in described accepting groove and can moving radially along output shaft; Sheath, can axially movably be set on described output shaft, have the primary importance of locking working head, and discharge locking member to discharge the second place of working head and to discharge locking member to discharge the 3rd position of working head, described primary importance is between the described second place and the 3rd position; The first elastic component, is located between described sheath and described output shaft, can drive described sheath to move to the 3rd position from the second place through primary importance; Slip lid, is connected on described sheath so that described sheath remains on primary importance, and described slip lid can axially movably be arranged on described casing, can drive described working head to accommodate storehouse described in entering or exiting.
Therein in an embodiment, described sheath has the seal face that can push down described locking member, the both sides of described seal face are formed with the first emission surface and the second emission surface, and the internal diameter of described seal face is less than the internal diameter of the first emission surface, and are less than the internal diameter of the second emission surface.
In an embodiment, the inwall of described sheath is formed with stage portion therein, and the end face of described stage portion forms described seal face, and the inwall of the sheath of the both sides of described stage portion forms respectively described the first emission surface and the second emission surface.
Therein in an embodiment, described accepting groove also extends a segment length and forms groove in the axial direction of described output shaft, described locking member can also be in described groove along the moving axially of output shaft, in described groove, be also provided with the second elastic component connecting with described locking member.
In an embodiment, described slip lid is provided with push rod therein, and the top of described push rod is provided with the magnet that can hold described working head.
In an embodiment, described locking member is orbicule or column therein.
In an embodiment, described locking member only can moving radially along output shaft in described accepting groove therein.
In an embodiment, described the first elastic component is arranged between described casing and described sheath therein.
Therein in an embodiment, described sheath comprises and is positioned at least partly the sleeve of described casing and the push button that described sleeve is connected, and described slip lid is connected on described push button, and described the first elastic component is between described casing and described sleeve.
In an embodiment, at least one side of described output shaft is provided with described locking member therein.
Above-mentioned power tool, working head from the storage folder of output shaft entering tool inside time, need to first unlock and just can enter, and avoid meeting accident, and the release of working head and motion is all by operating slip lid realization, simple to operation; Working head can first lock after exiting from storage folder, can not be drawn out instrument outside, if working head need to be pulled out from instrument, needs first release to realize.
Brief description of the drawings
Fig. 1 is the profile of the electric hand tool of the utility model embodiment mono-;
Fig. 2 is the schematic top plan view of locking member and the second elastic component relative position;
Fig. 3 to Fig. 7 is the schematic diagram that the working head of the electric hand tool of embodiment mono-inserts the process of output shaft;
Fig. 8 is the working head of electric hand tool of embodiment mono-profile in released state;
Fig. 9 is the profile of the working head of the electric hand tool of embodiment mono-while being pulled out;
Figure 10 is the cutaway view of the electric hand tool of embodiment bis-, and slip lid not yet moves, and working head is in the lock state;
Figure 11 is the partial enlarged drawing of the electric hand tool shown in Figure 10;
Figure 12 is the cutaway view of the electric hand tool of embodiment bis-, and slip lid starts to move and remove spacing to sheath, and sheath is removed the locking to working head, and slip lid drives working head motion;
Figure 13 is the cutaway view of the electric hand tool of embodiment bis-, and tool interior put into by working head by slip lid.
Related elements reference numeral in figure is as follows:
100, electric hand tool 110, casing 112, handle portion
120, motor 130, output shaft 132, accepting hole
134, accepting groove 136, groove 140, locking member
150, sheath 152, stage portion 153, seal face
154, the first emission surface 155, the second emission surface 156, the first elastic component
157, sleeve 158, push button 160, storage folder
162, accommodate storehouse 170, slip lid 172, push rod
174, magnet 180, the second elastic component 200, working head
300, electric hand tool 310, casing 320, motor
330, output shaft 332, accepting hole 334, accepting groove
340, locking member 350, sheath 353, seal face
354, the first emission surface 355, the second emission surface 356, the first elastic component
370, slip lid
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provide preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.On the contrary, when element be known as " directly existing " another element " on " time, there is not intermediary element.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in description of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Below in conjunction with accompanying drawing, the preferred embodiments of electric hand tool is described.
Embodiment mono-
Please refer to Fig. 1 to 9, the hand-held power tool 100 of the utility model embodiment mono-, comprise casing 110, motor 120, output shaft 130, in order to lock working head 200 locking member 140, be set in sheath 150, storage folder 160 and slip lid 170 on output shaft 130.Motor 120 rotates by gear mechanism driver output axle 130.Output shaft 130 is in order to drive working head 200 to work.Working head 200 can be dissimilar working head, and as drill bit, screwdriver is first-class, and dissimilar working head 200 is locked and can makes hand-held power tool 100 realize different functions when part 140 is locked.Slip lid 170 is in order to drive the axially-movable of working head 200 along output shaft 130, and then working head 200 is accommodated in storage folder 160.
Casing 110 is conventionally closed up and is combined by symmetrical two and half housings, the handle portion 112 that it has horizontal component and arranges in obtuse angle with horizontal component.Motor 120 is arranged on casing 110 inside, and provides electric power by the battery (not label) being arranged in handle portion 112.
Output shaft 130 is driven by gear mechanism by motor 120, and such kind of drive is well known to those skilled in the art, and also non-emphasis of the present utility model, so locate to repeat no more.Output shaft 130 is provided with the accepting hole that can hold working head 200 132 of axial setting, for insert working head 200 from outside.On output shaft 130, also offer the accepting groove 134 with accepting hole 132 radial communication.Herein, accepting groove 134 connects output shaft 130, therefore, also has two accepting grooves, is symmetrical arranged with respect to the axis of output shaft 130.Certainly, accepting groove 134 can be only in a side setting of the axis of output shaft 130.
Locking member 140 is orbicule or column, is placed in accepting groove 134 and can partly extend in accepting hole 132.Locking member 140 can be in accepting groove 134 along the radial motion of output shaft 130.In the present embodiment, output shaft 130 is only provided with locking member 140 in a side, can certainly all arrange both sides.
Please refer to Fig. 3 and Fig. 4, sheath 150 is set on output shaft 130.The inwall of sheath 150 is provided with stage portion 152.Seal face 153 is formed on the top of stage portion 152, forms respectively the first emission surface 154 and the second emission surface 155 on the inwall of the sheath 150 of stage portion 152 both sides.In other words, on the inwall of sheath 150, be formed with seal face 153, and the first emission surface 154 and the second emission surface 155, the internal diameter size of seal face 153 is less than the internal diameter size of two emission surfaces.Sheath 150 can move axially on output shaft 130, and wherein, in the time that seal face 153 is pushed down locking member 140 and then working head 200 is locked, sheath 150 is positioned at primary importance, i.e. position shown in Fig. 3.When the second emission surface 155 with locking member 140 positions at once, sheath 150 is positioned at the second place, now locking member 140 is in release conditions, working head 200 is not locked, as shown in Figure 8.When the first emission surface 154 with locking member 140 positions at once, sheath 150 is positioned at the 3rd position, now locking member 140 is also in release conditions, working head 200 is not locked.Also, the primary importance of locking working head 200 is between the second place and the 3rd position, and sheath 150 can move left and right centered by primary importance.
Please refer to Fig. 4, between sheath 150 and output shaft 130, be provided with the first elastic component 156.The first elastic component 156 is the element of spring or other flexible abilities.The first elastic component 156 can drive sheath 150 to move to the 3rd position from the second place through primary importance.In the time that sheath 150 is positioned at primary importance, sheath 150 compresses the first elastic component 156 working head 200 is locked.
In order to make sheath 150 can remain on primary importance, in the utility model, utilize slip lid 170 to be connected on sheath 150.Slip lid 170 can move in the axial direction of output shaft 130, and can drive working head 200 to enter accommodating storehouse 162 of storage folder 160 from the accepting hole 132 of output shaft 130, or certainly accommodates in storehouse 162 and exit.Slip lid 170 is provided with push rod 172.The top of push rod 172 is provided with the magnet 174 that can hold working head 200.
Please refer to Fig. 3, when slip lid 170 is against on sheath 150, the first elastic component 156 is compressed, and sheath 150 is positioned at primary importance place.Now, the first elastic component 156 can not drive sheath 150 to move along direction shown in arrow A, but sheath 150 can along A to opposite direction move to the second place after moving to continue to compress the first elastic component 156.In the utility model, sheath 150 comprises the push button 158 that is positioned at least partly the sleeve 157 of casing 110 and is connected with sleeve 157, and seal face 153, the first emission surface 154 and the second emission surface 155 are all formed on sleeve 157.Slip lid 170 is connected on push button 158.The first elastic component 156 is between casing 110 and sleeve 157.Like this, can make easily sheath 150 move by operation push button 158.
Please refer to Fig. 2, accepting groove 134 also extends a segment length and forms groove 136 in the axial direction of output shaft 130.Locking member 140 can also be in groove 136 moving axially along output shaft 130.The second elastic component 180 of the mid-flexible butt locking member 140 of groove 136.Like this, can realize the in the situation that of not mobile sheath 150, can realize the object that discharges locking member 140.Hereinafter will further describe.
Briefly describing working head 200 below inserts in output shaft 130 and blocked process.
Please refer to Fig. 3, along A axis of orientation to working head 200 is inserted in the accepting hole 132 of output shaft 130.Now, slip lid 170 is resisted against on sheath 150, and seal face 153 is pushed down locking member 140.Please refer to Fig. 4, continue to insert working head 200 along A direction, working head 200 promotes locking member 140 and overcomes resistance axially-movable in groove 136 of the second elastic component 180.After locking member 140 motions, depart from the axial direction seal face 153 and move to the position relative with the second emission surface 155.Please refer to Fig. 5, working head 200 continues to insert, and locking member 140 radial motions contact with the second emission surface 155.Please refer to Fig. 6 and Fig. 7, after working head 200 inserts and puts in place, locking member 140 is returned to and the radially position of butt of seal face 153 under the effect of the second elastic component 180, and working head 200 is locked.
In the process that above-mentioned working head 200 inserts and locks, operator does not need mobile slip lid 170, does not need mobile sheath 150 yet, and only needs a simple insert action to realize.After working head 200 is locked, output shaft 130 can drive working head 200 to work under the drive of motor 120.
Except above-mentioned inserted mode, also can mobile sheath 150, make sheath 150 compress the first elastic component 156 and move to its second place place, now, the second emission surface 155 is corresponding with locking member 140, and working head 200 is unlocked.This mode, can realize insertion and the locking of working head 200 equally.
In the time that needs are extracted working head 200 from output shaft 130, please refer to Fig. 8 and Fig. 9, only need to make the counter motion of sheath 150 along A direction, seal face 153 and locking member 140 are departed from, and the second emission surface 155 is corresponding with locking member 140, locking member 140 is removed the restriction to working head 200, now working head 200 can be extracted from output shaft 130.
Please refer to Fig. 3, when working head 200 need to be packed into storage folder 160 accommodate storehouse 162 time, first need to remove the locking of working head 200; In addition, need to operate slip lid 170 moves to drive working head 200 to move.Therefore, in the utility model, be, to utilize slip lid 170 to be connected on sheath 150 and by sheath 150 to remain on primary importance.After slip lid 170 moves, under the effect of the first elastic component 156, sheath 150 moves along A direction, seal face 153 will separate with locking member 140, make the first emission surface 154 corresponding with locking member 140, locking member 140 is in release conditions, and working head 200, in released state, can be pulled into working head 200 accommodating in storehouse 162 of storage folder 160 when slip lid 170 moves.Therefore, utilize slip lid 170 to be connected on sheath 150 and by sheath 150 and remain on primary importance, before one side has ensured to enter and accommodated storehouse 162, working head 200 has reliable locking, and the release of working head 200 and motion all can realize by operation slip lid 170 on the other hand, very simple and convenient.
In the time that needs exit working head 200 from accommodate storehouse 162, only need to grasp the counter motion of slip lid 170 along A direction, make slip lid 170 butt sheath 150 again, and then making the seal face 153 of sheath 150 again push down locking member 140, locking member 140 is locked at working head 200 in output shaft 130.Now, if working head 200 need to be extracted from output shaft 130, please refer to Fig. 8 and Fig. 9, only need to make the counter motion of sheath 150 along A direction, seal face 153 and locking member 140 are departed from, and the second emission surface 155 is corresponding with locking member 140, locking member 140 is removed the restriction to working head 200, now working head 200 can be extracted from output shaft 130.Therefore, after working head 200 exits from accommodate storehouse 162, also have a secure ratcs, while needing puller outside, need to first carry out unlocking operation.
Embodiment bis-
Please refer to Figure 10 to Figure 13, disclosed the hand-held power tool 300 of the utility model embodiment bis-.The structure of hand-held power tool 300 is substantially similar to hand-held power tool 100, comprise casing 310, motor 320, output shaft 330, in order to lock working head 300 locking member 340, be set in sheath 350, storage folder (not shown) and slip lid 370 on output shaft 330.
Please refer to Figure 11, output shaft 330 is provided with the accepting hole 332 of axial setting and the accepting groove 334 with accepting hole 332 radial communication.Locking member 340 is placed in accepting groove 334 and can radial motion.Sheath 350 is provided with seal face 353, the first emission surface 354 and the second emission surface 355.Between sheath 350 and output shaft 330, be provided with the first elastic component 356.Slip lid 370 is connected on sheath 350.
Hand-held power tool 300 is with unique difference of hand-held power tool 100: accepting groove 334 itself is to have certain length in the axial direction, but accepting groove 334 does not allow the axially movable groove of locking member 340 energy in the axial formation of output shaft 330, and also not having one has been arranged at the second elastic component in this groove certainly.Also, locking member 340 only can be along the radial motion of output shaft 330.
Please refer to Figure 12, and incorporated by reference to reference to Figure 11, when working head 200 inserts output shaft 330, directly to insert working head 200 different from need of embodiment, in embodiment bis-, need to first operate sheath 350, make the counter motion of sheath 350 along A direction, the seal face 353 of sheath 350 is separated with locking member 340, and the second emission surface 355 is corresponding with locking member 340 positions.After working head 200 insertions put in place, unclamp sheath 350, under the effect of the first elastic component 356, the seal face 353 of sheath 350 is pushed down locking member 340 and working head 200 is locked.
Please refer to Figure 13, identical with embodiment mono-, when working head 200 entering tool from output shaft 330 is inner, move slip lid 370 to separate with sheath 350 along A direction, sheath 350 moves along A direction, the first emission surface 354 of sheath 350 is corresponding with locking member 340, and sheath 350 is removed the locking to working head 200, when slip lid 370 moves, will drive working head 200 to move and enter in the storage folder of tool interior.Therefore, ensured on the one hand entering tool inside before working head 200 have reliable locking, the release of working head 200 and motion all can realize by operation slip lid 370 on the other hand, very simple and convenient.
In the time that needs exit working head 200 from tool interior, handle the counter motion of slip lid 370 along A direction, make slip lid 370 butt sheath 350 once again, and then make the seal face 353 of sheath 350 again push down locking member 340, locking member 340 is locked working head 200.Now, if working head 200 need to be extracted from output shaft 330, only need to make the counter motion of sheath 350 along A direction, seal face 353 and locking member 140 are departed from, and the second emission surface 355 is corresponding with locking member 340, locking member 340 is removed the restriction to working head 200, now working head 200 can be extracted from output shaft 330.Therefore, working head 200 also has a secure ratcs after exiting from storage folder, need to extract to instrument outside time, need to first carry out unlocking operation.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. an electric hand tool, is characterized in that, comprising:
Casing;
Output shaft, has the accepting hole that can hold working head of axial setting, and described output shaft is provided with the accepting groove with described accepting hole radial communication;
Storage folder, having can be by the storehouse of accommodating of described working head storage;
Locking member, is housed in described accepting groove and can moving radially along output shaft;
Sheath, can axially movably be set on described output shaft, have the primary importance of locking working head, and discharge locking member to discharge the second place of working head and to discharge locking member to discharge the 3rd position of working head, described primary importance is between the described second place and the 3rd position;
The first elastic component, is located between described sheath and described output shaft, can drive described sheath to move to the 3rd position from the second place through primary importance;
Slip lid, is connected on described sheath so that described sheath remains on primary importance, and described slip lid can axially movably be arranged on described casing, can drive described working head to accommodate storehouse described in entering or exiting.
2. electric hand tool according to claim 1, it is characterized in that, described sheath has the seal face that can push down described locking member, the both sides of described seal face are formed with the first emission surface and the second emission surface, the internal diameter of described seal face is less than the internal diameter of the first emission surface, and is less than the internal diameter of the second emission surface.
3. electric hand tool according to claim 2, it is characterized in that, the inwall of described sheath is formed with stage portion, and the end face of described stage portion forms described seal face, and the inwall of the sheath of the both sides of described stage portion forms respectively described the first emission surface and the second emission surface.
4. electric hand tool according to claim 1, it is characterized in that, described accepting groove also extends a segment length and forms groove in the axial direction of described output shaft, described locking member can also be in described groove along the moving axially of output shaft, in described groove, be also provided with the second elastic component connecting with described locking member.
5. electric hand tool according to claim 1, is characterized in that, described slip lid is provided with push rod, and the top of described push rod is provided with the magnet that can hold described working head.
6. electric hand tool according to claim 1, is characterized in that, described locking member is orbicule or column.
7. electric hand tool according to claim 1, is characterized in that, described locking member only can moving radially along output shaft in described accepting groove.
8. electric hand tool according to claim 1, is characterized in that, described the first elastic component is arranged between described casing and described sheath.
9. electric hand tool according to claim 8, it is characterized in that, described sheath comprises and is positioned at least partly the sleeve of described casing and the push button that described sleeve is connected, and described slip lid is connected on described push button, and described the first elastic component is between described casing and described sleeve.
10. electric hand tool according to claim 1, is characterized in that, at least one side of described output shaft is provided with described locking member.
CN201420170336.8U 2014-04-09 2014-04-09 Handheld electric tool Expired - Fee Related CN203863643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420170336.8U CN203863643U (en) 2014-04-09 2014-04-09 Handheld electric tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420170336.8U CN203863643U (en) 2014-04-09 2014-04-09 Handheld electric tool

Publications (1)

Publication Number Publication Date
CN203863643U true CN203863643U (en) 2014-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436566A (en) * 2015-12-26 2016-03-30 宁波鑫晟工具有限公司 Electric drill
CN105798360A (en) * 2014-12-31 2016-07-27 苏州宝时得电动工具有限公司 Working head support device and power tool
CN107999825A (en) * 2016-11-01 2018-05-08 苏州宝时得电动工具有限公司 Power tool and workpiece installation method
CN111906730A (en) * 2019-05-07 2020-11-10 苏州宝时得电动工具有限公司 Power tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798360A (en) * 2014-12-31 2016-07-27 苏州宝时得电动工具有限公司 Working head support device and power tool
CN105798360B (en) * 2014-12-31 2017-12-29 苏州宝时得电动工具有限公司 Work head supporting device and power tool
CN105436566A (en) * 2015-12-26 2016-03-30 宁波鑫晟工具有限公司 Electric drill
CN105436566B (en) * 2015-12-26 2017-10-13 宁波鑫晟工具有限公司 Electric drill
CN107999825A (en) * 2016-11-01 2018-05-08 苏州宝时得电动工具有限公司 Power tool and workpiece installation method
CN111906730A (en) * 2019-05-07 2020-11-10 苏州宝时得电动工具有限公司 Power tool

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141008

Termination date: 20210409