CN103386670B - Annex and power tool - Google Patents
Annex and power tool Download PDFInfo
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- CN103386670B CN103386670B CN201210141986.5A CN201210141986A CN103386670B CN 103386670 B CN103386670 B CN 103386670B CN 201210141986 A CN201210141986 A CN 201210141986A CN 103386670 B CN103386670 B CN 103386670B
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Abstract
A kind of hammer attachment, can be installed on swing-type power tool, the output shaft with axial line that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can do rotational oscillating motion around described axial line, described hammer attachment comprises the impact block that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, during described output shaft motion, described impact block is driven to rotate reciprocally swinging.Hammer attachment in the present invention, is dismountablely arranged on hand-hold power tool, especially on Multi Role Aircraft, can realize hammering function, extend the range of application of Multi Role Aircraft.
Description
Technical field
The present invention relates to a kind of annex, especially a kind of dismountable annex be connected on hand-held swing-type power tool.
The invention still further relates to a kind of swing-type power tool.
Background technology
Multi Role Aircraft is the common swing class power tool of industry, because its output shaft does oscillating motion around axial line, therefore, after different operate accessories heads is installed on output shaft, multiple different function can be realized, as sawed, cutting, grind, scrape, to adapt to different work requirements.
Hammering is also one of common operational means, and common hammering operation is performed by the hand-operated tools such as claw hammer, hammer, but these hand-operated tools generally need user to have skilled operation skill, and exerting a force too littlely just needs operator ceaselessly to knock, and takes time and effort; Overexert, the material of acting surface may be caused to be smashed, or the finger of operator is injured by a crashing object.In addition, operator needs to utilize the strength of the even whole arm of wrist to brandish when using claw hammer or hammer, thus also proposes high requirements to operating space, therefore, when needs carry out hammering operation in a conned space, the hand-operated tools such as claw hammer, hammer is often difficult to satisfy the demands.
Market also has the pneumatic or electric tool such as nailing hammer can realize hammering function, but this kind of instrument only can realize simple function, for the domestic consumer seldom used, cost is higher; And service portion followed closely by the hammer of this kind of instrument and tool body is that fixed angle is arranged, when user needs in the angle, corner, limit of angle harshness during nailing, this kind of instrument is also difficult to use.
To sum up, if develop a kind of hammer attachment be installed on Multi Role Aircraft, Multi Role Aircraft is made to adapt to the demand of hammering, then above-mentioned hand-operated tools hammering firmly unbalanced, problem that operating space is easily limited, and electronic or that Pneumatic Professional instrumental function is single, acquisition cost is high problem, can solve one by one.
In addition, user usually deflects nail and needs to pull out in hammer nail process, or face when performing other operation the problem that discarded nail takes up room, if develop a kind of nail pulling annex be installed on Multi Role Aircraft, then to deflect or discarded nail can be pulled out in time.
Summary of the invention
An object of the present invention is to provide the hammer attachment that a kind of swing-type power tool uses, and it is removably mounted on hand-held swing-type power tool, the range of application of expansion hand-held swing-type power tool.
For achieving the above object, technical scheme of the present invention is: a kind of hammer attachment, can be installed on swing-type power tool, the output shaft with axial line that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can do rotational oscillating motion around described axial line, described hammer attachment comprises the impact block that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, during described output shaft motion, described impact block is driven to rotate reciprocally swinging.
Compared with prior art, the hammer attachment in the present invention, structure is simple, is removably mounted on hand-held swing-type power tool, especially on Multi Role Aircraft, extends the range of application of Multi Role Aircraft, decrease the acquisition cost of domestic consumer to fullering tool.
Preferably, described impact block has a longitudinal axis, and described longitudinal axis is perpendicular to the axial line of described output shaft.
Preferably, described impact block is made up of hard metal material.
Preferably, described transmission arm is made up of elastomeric material.
Preferably, described transmission arm is curvilinear bending, and after described annex is installed, described impact block is near the longitudinal axis of swing-type power tool.
Preferably, described output shaft is provided with boss, and described annex is provided with installing hole, and described annex is installed on described output shaft by the cooperation orientation adjustable ground of installing hole and boss.
Preferably, described impact block has at least one and strikes nail portion.
Preferably, described in strike nail portion and comprise and can hold first of nail head and strike nail portion, described first to strike nail portion be concave surface.
Preferably, described in strike nail portion and comprise and make nail enter second of interior of articles completely to strike nail portion, described second to strike nail portion be plane or convex surface.
Preferably, described impact block is also connected with nail pulling portion, and described nail pulling portion comprises the wedge reduced gradually to its free end thickness by the junction of itself and transmission arm and the claw be located on wedge.
Another object of the present invention is to provide a kind of swing-type power tool with hammering function, thus expands the range of application of swing-type power tool, saves the acquisition expenses of professional fullering tool.
For achieving the above object, technical scheme of the present invention is:
A kind of swing-type power tool, comprising:
Housing;
Be contained in the motor in described housing;
Output shaft, has axial line, under the driving of described motor, do rotational oscillating motion around described axial line;
Hammer attachment, described hammer attachment comprises the impact block that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, during described output shaft motion, drives described impact block to rotate reciprocally swinging.
Compared with prior art, the swing-type power tool in the present invention has the hammer attachment that can be used for knocking nail, can additionally realize hammering function, for user eliminates the expense buying specialty hammer nail instrument in addition, expands the range of application of swing-type power tool.
Another object of the present invention is to provide the nail pulling annex that a kind of swing-type power tool uses, and it is removably mounted on hand-held swing-type power tool, the range of application of expansion hand-held swing-type power tool.
For achieving the above object, technical scheme of the present invention is: a kind of nail pulling annex, can be installed on swing-type power tool, the output shaft with axial line that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can do rotational oscillating motion around described axial line, described nail pulling annex comprises the nail pulling portion that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, described nail pulling portion comprises the wedge reduced gradually to its free end thickness by the junction of itself and transmission arm and the claw be located on wedge, during described output shaft motion, described nail pulling portion is driven to rotate reciprocally swinging.
Compared with prior art, the nail pulling annex in the present invention, structure is simple, is removably mounted on hand-held swing-type power tool, especially on Multi Role Aircraft, extends the range of application of Multi Role Aircraft, decrease the acquisition cost of domestic consumer to nail pulling instrument.
Preferably, described claw is configured to V-arrangement.
Preferably, the root of claw is provided with circular slotted eye.
Preferably, described nail pulling portion is made up of hard metal material.
Preferably, the transmission arm of described nail pulling annex is also connected with and strikes nail portion.
Preferably, strike nail portion described in be made up of hard metal material.
Preferably, striking nail portion described in is plane.
Preferably, described transmission arm is made up of elastomeric material.
Preferably, described transmission arm is curvilinear bending, after described nail pulling annex is installed, and described nail pulling portion and describedly strike the longitudinal axis of nail portion near swing-type power tool.
Preferably, described output shaft is provided with boss, and described nail pulling annex is provided with installing hole, and described nail pulling annex is installed on described output shaft by the cooperation orientation adjustable ground of installing hole and boss.
Another object of the present invention is to provide a kind of swing-type power tool with nail pulling functions, thus expands the range of application of swing-type power tool, saves the acquisition expenses of professional nail pulling instrument.
For achieving the above object, technical scheme of the present invention is:
A kind of swing-type power tool, comprising:
Housing;
Be contained in the motor in described housing;
Output shaft, has axial line, under the driving of described motor, do rotational oscillating motion around described axial line;
Described nail pulling annex comprises the nail pulling portion that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, nail pulling portion comprises the wedge reduced gradually to its free end thickness by the junction of itself and transmission arm and the claw be located in wedge, during described output shaft motion, described nail pulling portion is driven to rotate reciprocally swinging.
Compared with prior art, the swing-type power tool in the present invention has the nail pulling annex that can be used for pulling out nail, additionally can realize nail pulling functions, for user eliminates the expense buying professional nail pulling instrument in addition, expands the range of application of swing-type power tool.
Accompanying drawing explanation
Above-described object of the present invention, technical scheme and beneficial effect by the detailed description that can realize specific embodiments of the invention below, can describe and clearly obtain simultaneously by reference to the accompanying drawings.
Identical label in accompanying drawing and description and symbol are for representing identical or equivalent element.
Fig. 1 is the schematic perspective view being provided with the swing-type power tool of annex provided by the invention;
Fig. 2 is the schematic diagram that swing-type power tool in Fig. 1 and annex are in disassembly status;
Fig. 3 is the schematic perspective view of annex under the first embodiment in Fig. 1;
Fig. 4 is the lower schematic perspective view of the annex in Fig. 1 at the second embodiment.
Wherein,
100. swing-type power tool 32,62. installing hole 35c.V shape claws
1. housing 33,63. impact block 4. locking member
11. head capsules 34,64. strike nail portion 5. switch
12. tail shell 64a. first strike the axial line of nail portion A1. output shaft
2. output shaft 64b. second strikes the longitudinal axis of nail portion B1. instrument
The center line of 21. boss 35. nail pulling portion C1. installing holes
3,6. annex 35a. supports the longitudinal axis of face D1. impact block outward
31, domatic in 61. transmission arm 35b.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, is a kind of swing-type power tool 100 being provided with annex 3 provided by the invention.
In description full text, define the left side of swing-type power tool 100 as shown in Figure 1 for " front ", right side is " afterwards ".Swing-type power tool 100 comprises: housing 1, motor (not shown), transmission mechanism (not shown), and annex 3.Wherein, housing 1 extends along longitudinally, and have a longitudinal axis B1, housing 1 comprises the head capsule 11 being positioned at swing-type power tool 100 front portion and the tail shell 12 being arranged at head capsule rear portion.Motor is arranged at the inside of tail shell 12, transmission mechanism is arranged at the inside of head capsule 11, motor shaft extends forward with the transmission mechanism being positioned at head capsule 11 inside matched, and the rotary motion that motor shaft exports is converted to the rotation oscillating traverse motion of output shaft 2 around himself axis A1 by transmission mechanism.Annex 3 is arranged on the below of the head capsule 11 of swing-type power tool 100, arranges substantially in parallel with the tail shell 12 of swing-type power tool 100, and is axially connected on output shaft 2 by locking member 4.
Swing-type power tool 100 also comprises and is connected to tail shell 12 rear portion and provides the cable (not shown) of electric power for motor and control the switch 5 of power delivery, when switch 5 is connected, electric motor starting annex 3 swings, when switch 5 disconnects, motor stops the rotation, and annex 3 stops swinging.
Head capsule 11 is roughly L-shaped, and its one end is connected with tail shell 12, and the other end is roughly in the truncated cone-shaped of shrinking gradually.Output shaft 2 is housed in head capsule 11, its one end and above-mentioned transmission mechanism matched, the other end extends from the free end of head capsule 11, and the bearing of trend of output shaft 2 is substantially vertical with the bearing of trend of tail shell 12.The end of output shaft 2 is provided with in orthohexagonal boss 21.The middle part of boss 21 is provided with screwed hole 21, to accommodate fixed retaining member 4.
Refer to Fig. 2, in present embodiment, annex 3 is detachable split-type design with the housing 1 of swing-type power tool, annex 3 is provided with through installing hole 32, installing hole 32 has axis C1, after on annex 3 to be set in output shaft boss 21 by installing hole 32, the axis C1 of installing hole overlaps with the longitudinal axis A 1 of output shaft.When swing-type power tool 100 works, motor driver output axle 2 rotates reciprocally swinging, and then drives and the annex 3 that connects of output shaft 2 rotates reciprocally swinging.Preferably, installing hole 32 is interior dodecagon, coordinates with the regular hexagon of boss 21, not only can ensure effective transmission, and makes annex opposing oscillatory power tool have multiple installation position, thus meet carry out the demand of knocking operation in a conned space.Certainly, in the present invention, installing hole 32 also can be above-mentioned regular hexagon.
It may be noted that, those skilled in the art are easy to expect, coordinating of annex and output shaft also can the cooperation of just triangle, square or regular pentagon, or the combination of the some columnar projections on output shaft and the corresponding hole on annex, or the combination etc. of the projection shaped hole corresponding with on annex of other shape (as star) on output shaft.After as long as actuator coordinates with output shaft, when making output shaft rotate reciprocally swinging, can actuator be driven and relative sliding can not be produced, and as required actuator can be limited in multiple Difference angles.
Introduce the concrete structure of annex 3 below in detail, refer to Fig. 3, Fig. 3 is the schematic perspective view of annex 3 under the first embodiment in the present invention.Annex 3 comprises transmission arm 31 and impact block 33, and impact block 33 and aforesaid installing hole 32 lay respectively at the two ends of transmission arm 31.Impact block 33 has a longitudinal axis D1, and longitudinal axis D1 is vertical with the center line C1 of installing hole.When annex 3 to be installed on swing-type power tool and swing-type power tool work time, impact block 33 around the axial line A1 reciprocally swinging of output shaft, can carry out intermittent knocking to object under the drive of transmission arm 31.
The position relationship of the profile of impact block 33, weight and itself and transmission arm 31 affects it and hammers the effect of following closely into shape.In the present embodiment, impact block 33 is revolving bodies, roughly cylindrical.Certainly, impact block 33 also can be cone, or square, cuboid, also can be that other has the mass concentration body of irregular contour.In order to effectively knock nail, impact block 33 and metal material that density large hard by matter is made, and preferably, impact block 33 is made up of converted steel material.In order to fix impact block 33 better, prevent impact block 33 and transmission arm 31 from departing from, impact block 33 is arranged along the end face of transmission arm 31, and impact block 33 is roughly vertical with transmission arm 31.Certainly, impact block also can be one-body molded with transmission arm.
In order to obtain good hammer nail effect, impact block 33 is impacted forcefully on nail, and transmission arm 31 has certain development length, and the length of transmission arm 31 is the length of 1 ~ 2 impact block 33.The hunting frequency of swing-type power tool is generally at 200 ~ 400 beats/min, impact block 33 will inevitably produce strong vibration under the impact of high frequency time like this, vibration passes back on output shaft 2 by transmission arm 31, not only may cause the damage of swing-type power tool internal structure, and greatly affect the gripping comfort level of operator.In order to buffering vibration, the internal structure of protection instrument is not damaged, and the transmission arm 31 in the present embodiment is made up of elastomeric material.In addition, transmission arm 31 is curvilinear bending, and after annex 3 is installed, impact block 33 is mounted opposite the longitudinal axis B1 of hole 32 closer to swing-type power tool, and such arranges the passback that can reduce power equally, plays the effect of buffering vibration further.
Impact block 33 is provided with at least one for what knock nail and strikes nail portion 34, and in the present embodiment, impact block 33 has one and strikes nail portion 34, strikes one end that nail portion 34 is positioned at cylindrical impact block 33.In order to hit nail exactly, the surface area striking nail portion 34 is greater than the area of nail head.Nail portion 34 of striking in the present embodiment is planes, and certainly, striking nail portion 34 also can be convex surface.
Refer to Fig. 1, Fig. 2 and Fig. 3, the process that user uses the swing-type power tool 100 being provided with hammer attachment 3 to carry out striking nail is summarized as follows: a hand grips nail (not shown), make the surface of tip contacts to target object of nail, another hand grips swing-type power tool 100, what make annex 3 strikes the head that nail is aimed in nail portion 34, start the switch 5 of swing-type power tool 100, impact block 33 swings around the axial line A1 of output shaft, the head striking the 34 pairs of nails in nail portion is made to carry out intermittent knocking, until nail hammers in target object completely, closing switch.
In order to expand the range of application of annex 3, annex 3 is also provided with the nail pulling portion 35 pulling out nail, nail pulling portion 35 is also connected to one end of transmission arm 31, and with impact block 33 conllinear.In the present embodiment, nail pulling portion 35 is one-body molded with impact block 33, is positioned at impact block 33 relative to striking on the other end in nail portion 34.Certainly, nail pulling portion 35 also can be arranged with impact block 33 split, is connected to side by side on transmission arm 31.Nail pulling portion 35 comprises the wedge 35 reduced gradually to its free end thickness by the junction of itself and transmission arm 31 and the claw 35c be located in wedge 35, wherein, wedge 35 comprises a domatic 35b in face 35a and outward, the outer face 35a that supports is in order to prop up the surface at nail place when nail pulling, and interior domatic 35b then provides an ever-increasing staple height; Claw 35c clamps nail in the use procedure of annex 3.In this enforcement, claw 35c is configured to V-arrangement, in order to the stress concentration phenomenon that the root eliminating V-arrangement claw 35c in nail pulling process easily produces, improve the problem of the claw 35c root cracking failure of V-arrangement, preferably, circular slotted eye (not shown) is provided with at the root of V-arrangement claw.Certainly, claw 35c also can be configured to the U-shaped that root is arc-shaped.
The process that user uses the swing-type power tool being provided with hammer attachment 3 to carry out nail pulling is summarized as follows: face of being supported nail pulling portion 35 outer supports 34 at the near surface of target nail (not shown), the head of target nail is made to slip into the claw 35c in nail pulling portion, and hang on interior domatic 35b, start the switch of swing-type power tool, impact block 33 swings around the center line of installing hole, the relative nail of claw 35c is constantly slided, in domatic 35b and outer support face 35a be arranged so that nail is constantly raised in the process, when the root of claw 35c touches nail, now nail is lifted certain height, close the switch of swing-type power tool, hold the tail shell end of swing-type power tool, with the center of impact block 33 for fulcrum, the direction of striking nail portion 34 to impact block 33 is pulled, this manual nail pulling principle and common claw hammer are as good as, here repeat no more.
Certainly, above-mentioned nail pulling portion 35 is not the structure that uniquely can realize nail pulling, such as nail pulling structure can also be the nail plucking claw of at least one pair of symmetry that arranges of excircle subtend ground along impact block one end, and the nail pulling groove to be formed by the space of nail plucking claw, the openend of nail pulling groove is also arranged in reverse symmetry, the outer peripheral edge of nail plucking claw forms arc-shaped surface, nail pulling groove enters in order to make nail, and nail plucking claw clamps nail, under the driving of swing-type power tool, extract nail to the direction of wide object.Certainly, those skilled in the art can expect replacing by other structure easily, describes in detail no longer one by one here.
Above-mentioned annex 3 is hammer attachment, is also attached with nail pulling functions while realizing hammer nail.It may be noted that annex 3 also separately as nail pulling annex, can be exclusively used in nail pulling, and also can increase hammering function outside the function of nail pulling.Namely nail pulling portion is as the main body of annex, is made up of hard metal material, and on transmission arm, be also connected with nail portion of striking, and striking nail portion can be one-body molded with nail pulling portion, is positioned at one end that nail pulling portion thickness is larger; Also can arrange with nail pulling part body, be connected to transmission arm side by side.Strike nail portion to be made up of hard metal material equally, and to strike nail portion be plane.
Referring to Fig. 4, is the second embodiment of annex in the present invention.In this embodiment, the transmission arm 61 of described annex 6, installing hole 62 are identical with the first embodiment with the essential structure of impact block 63.Unlike, the impact block 63 in the present embodiment has two and strikes nail portion 64, lays respectively at the two ends of impact block 63, comprise and can hold first of nail head and strike nail portion 64a, first to strike nail portion 64a be concave surface, for nail automatic capturing auxiliary at the beginning of nailing, prevents nail from being deflected; Also comprise and make nail enter second of interior of articles completely to strike nail portion 64b, second to strike nail portion 64b be plane or convex surface, for after body surface squeezed into by nail, makes nail enter interior of articles completely further.
The process that user uses the swing-type power tool 100 being equiped with above-mentioned annex 6 to carry out striking nail is summarized as follows: a hand grips nail, make the surface of tip contacts to target object of nail, a hand grips swing-type power tool 100, make first of annex 6 to strike nail portion 64a and aim at the head of nail, start the switch 5 of swing-type power tool, impact block swings around the axial line of output shaft, make first to strike nail portion 64a and intermittent knocking is carried out to the head of nail, the surface of the tip target approach object of nail, then, the gripping orientation of conversion swing-type power tool, make second to strike nail portion 64b and aim at the head of nail, continue to knock nail, until nail hammers in target object completely, closing switch.
It may be noted that the nail portion 64 of striking of impact block can be the concave surface and the convex surface that lay respectively at impact block two ends, concave surface is used for the location of nail and hammers into, and convex surface is used for making the complete target approach interior of articles of nail; Also can be two planes, when making there is nail hitting demand in two relative directions, the installation position of the angle or conversion annex that need not change user's handling can complete hammer nail rapidly.
Compared with prior art, the invention provides the annex of two kinds of forms, a kind of different needs meeting each stage of whole hammer nail process, another kind is then accompanied with nail pulling functions while satisfied hammer nail demand, two kinds of annexes are removably installed on swing-type power tool, extend the range of application of swing-type power tool.Certainly, the present invention also can be understood as the annex additionally providing the third form, and this annex separately as nail pulling annex, also can additionally can realize hammer nail function under the prerequisite of basic function possessing nail pulling.
Compared with prior art, swing-type power tool provided by the invention, structure is simple, easy and simple to handle, the needs striking nail and nail pulling can be met separately, also can realize striking nail and nail pulling simultaneously, for user saves a large sum of expense required for the instrument buying each simple function.
It may occur to persons skilled in the art that, the present invention can also have other implementation, as long as but its technical spirit adopted is identical with the present invention or close, or any change of making based on the present invention and replacing all within protection scope of the present invention.
Claims (10)
1. a hammer attachment, can be installed on swing-type power tool, the output shaft with axial line that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can do rotational oscillating motion around described axial line, it is characterized in that: described hammer attachment comprises the impact block that one end is connected to the transmission arm on described output shaft and is connected to the described transmission arm other end, during described output shaft motion, described impact block is driven to rotate reciprocally swinging.
2. hammer attachment according to claim 1, is characterized in that: described impact block has a longitudinal axis, and described longitudinal axis is perpendicular to the axial line of described output shaft.
3. hammer attachment according to claim 1, is characterized in that: described impact block is made up of hard metal material.
4. hammer attachment according to claim 1, is characterized in that: described transmission arm is made up of elastomeric material.
5. hammer attachment according to claim 1, is characterized in that: described transmission arm is curvilinear bending, and after described annex is installed, described impact block is near the longitudinal axis of swing-type power tool.
6. hammer attachment according to claim 1, is characterized in that: described impact block has at least one and strikes nail portion.
7. hammer attachment according to claim 6, is characterized in that: described in strike nail portion and comprise and can hold first of nail head and strike nail portion, described first to strike nail portion be concave surface.
8. hammer attachment according to claim 6, is characterized in that: described in strike nail portion and comprise and make nail enter second of interior of articles completely to strike nail portion, described second to strike nail portion be plane or convex surface.
9. hammer attachment according to claim 1, is characterized in that: described impact block is also connected with nail pulling portion, and described nail pulling portion comprises the wedge reduced gradually to its free end thickness by the junction of itself and transmission arm and the claw be located on wedge.
10. a swing-type power tool, comprising: housing;
Motor, is contained in described housing;
Output shaft, has axial line, under the driving of described motor, do rotational oscillating motion around described axial line; It is characterized in that: described output shaft is removably connected with the hammer attachment described in above arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141986.5A CN103386670B (en) | 2012-05-09 | 2012-05-09 | Annex and power tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141986.5A CN103386670B (en) | 2012-05-09 | 2012-05-09 | Annex and power tool |
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| Publication Number | Publication Date |
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| CN103386670A CN103386670A (en) | 2013-11-13 |
| CN103386670B true CN103386670B (en) | 2015-09-09 |
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| CN201210141986.5A Active CN103386670B (en) | 2012-05-09 | 2012-05-09 | Annex and power tool |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227664A (en) * | 2014-09-26 | 2014-12-24 | 上海锐奇工具股份有限公司 | Electrical tool |
| CN106625433A (en) * | 2016-12-23 | 2017-05-10 | 青岛橡胶谷知识产权有限公司 | Portable nail pulling device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7096972B2 (en) * | 2002-09-17 | 2006-08-29 | Orozco Jr Efrem | Hammer drill attachment |
| CN2661386Y (en) * | 2003-12-12 | 2004-12-08 | 苏州宝时得电动工具有限公司 | Electric tool with tool head carrying device |
| CN201931450U (en) * | 2010-10-01 | 2011-08-17 | 苏州宝时得电动工具有限公司 | Accessory and power tool |
| CN202045626U (en) * | 2011-05-16 | 2011-11-23 | 覃晋辉 | Claw hammer |
| CN102357634B (en) * | 2011-07-18 | 2013-08-14 | 三峡大学 | Mechanical double energy storage impact mechanism and impact method |
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