CN103101030A - Drive-in tool - Google Patents
Drive-in tool Download PDFInfo
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- CN103101030A CN103101030A CN2012104603494A CN201210460349A CN103101030A CN 103101030 A CN103101030 A CN 103101030A CN 2012104603494 A CN2012104603494 A CN 2012104603494A CN 201210460349 A CN201210460349 A CN 201210460349A CN 103101030 A CN103101030 A CN 103101030A
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- sealing
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- top cover
- chamber
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Abstract
The invention provides a drive-in tool. In a compressed-gas drive type drive-in tool, for an exhaust cover disposed at a back part of a main body part, a condition that gas leakage is generated at other parts besides a current exhaust opening with a noise elimination filter is provided, in the drive-in tool, gas leakage at the other part besides the exhaust opening is prevented, and silence of the drive-in tool is realized. The drive-in tool is formed to be provided with the following structure: a sealing part (32) with a soft resin material as a raw material is arranged along a front end of a circumferential wall (31a) of an exhaust cover (30) via shaping of an embedding member, and the sealing part (32) is embedded into a sealing concave part (16c) of a top cover (16), thereby preventing gas leakage of a second exhaust chamber (26) besides the exhaust opening (34) provided with the noise elimination filter (34a).
Description
Technical field
The present invention relates to the drivers such as nailing machine of Compressed Gas as drive source.
Background technology
This driver possesses: in tool body section, this tool body section, the piston that moves back and forth as drive source with Compressed Gas is housed; Squeeze into section, by the action of tool body section, this section of squeezing into gets and squeezes into part; And handle portion, the state setting that this handle portion is stretched out towards the side with the sidepiece from tool body section.This driver possesses following structure: detain pulling process by the switch lever to the base portion that is arranged at handle portion, chamber supplying compressed gas on the piston of tool body section, utilize the thrust of the Compressed Gas supply with to make instantaneous the moving down of driver that is used for impacting driver that is arranged at piston, utilize the driver that moves down to impact to be supplied to the section of squeezing into one squeeze into part and this is squeezed into part get from the front end (exit wound of bullet) of squeezing into section.
After squeezing into, when the button pulling process removed switch lever, the supply of cut-out Compressed Gas of chamber on piston, make that on piston, the chamber is communicated with atmosphere, thus, piston returns to by the Compressed Gas that is supplied in advance chamber under piston (returning to gas) end position that moves up, thereby finishes a series of action of squeezing into.
Rear portion in the body shell of tool body section is combined with top cover, is provided with hood with the noise elimination wave filter at this top cover.Compressed Gas indoor on piston is discharged towards atmosphere via this hood.This hood is installed on top cover in the mode that can rotate, can at random change discharge directions.
For example disclose the prior art relevant to above-mentioned driver in following patent documentation.Technology disclosed according to this patent documentation, make the upper surface that the restorative protuberance elasticity of elasticity presses on top cover that has that is arranged at hood, and with the state of the upper surface that covers top cover, this hood is installed, thus, on piston, the Compressed Gas of chamber is discharged from the mode that can not produce in the exhaust outlet part in addition of hood Leakage Gas.
Patent documentation 1: the practical new case of Japan logs in communique No. 2576552
Yet, in above-mentioned existing structure, if the air pressure of Compressed Gas is normal pressure (about 8kg/cm
2) left and right is no problem, but be the high pressure popularized gradually in recent years (about 23kg/cm at the air pressure of Compressed Gas
2) situation under, the integral body of resinous hood under high pressure produces distortion etc., only depend on elasticity to press protuberance and can not guarantee enough sealings (air-tightness), therefore, may produce Leakage Gas with the part beyond the exhaust outlet of noise elimination wave filter, as a result, may produce because of this Leakage Gas the problem of noise.
Summary of the invention
The object of the invention is to: even if in the situation that with the Compressed Gas of high pressure as drive source, also can guarantee the high leakproofness with the hood of noise elimination wave filter, thus, exhaust is discharged towards atmosphere via the noise elimination wave filter reliably.
Above-mentioned problem solves by following invention.
The first technical scheme relates to a kind of driver, and the piston that moves back and forth in cylinder body as drive source with Compressed Gas is housed in this driver, and this driver possesses: top cover, this top cover limit the upper chamber of cylinder body; And hood, this hood is installed along the rear surface of top cover, and has the exhaust outlet that the Compressed Gas in the exhaust chamber that will be formed at is between the two discharged towards atmosphere, and hood possesses: the cover main part, this cover main part has exhaust outlet; And sealing, sealing section is along the periphery setting of above-mentioned cover main part, and at least when exhaust the pressure by Compressed Gas be connected to top cover and sealing airtightly, above-mentioned sealing take than the soft soft material of cover main part as raw material.
According to the first technical scheme, cover main part and sealing are take the different material of hardness as raw material formation, sealing with soft material as raw material in order to guarantee high leakproofness, on the other hand, the cover main part with the material of hard more as raw material in order to guarantee high rigidity with respect to the Compressed Gas of high pressure, thus, hood can be guaranteed with respect to the high leakproofness of top cover, thereby the Leakage Gas of the part beyond exhaust outlet can be prevented.
Like this, even if be not only the driver of the driver high drive of normal pressure driving, also can prevent reliably the Leakage Gas of the exhaust outlet part in addition of exhaust gas, thereby can realize quietization.
The second technical scheme relates to a kind of driver, and in the first technical scheme, driver forms following structure: sealing is connected to top cover all the time, and as the positioning unit performance function of cover main part with respect to top cover.
According to the second technical scheme, hood is held with respect to the position of top cover.Especially in the situation that form and make hood be arranged to rotate with respect to top cover in order to can at random change discharge directions, by the positioning function of sealing, can prevent that hood from inadvertently rotating and the situation of its discharge directions skew.
The 3rd technical scheme relates to a kind of driver, and in the second technical scheme, driver forms following structure: make the outer peripheral face of sealing be connected to top cover and seal.
According to the 3rd technical scheme, by making the sealing that arranges along the periphery of cover main part along enlarged-diameter direction (the hole enlargement direction that increases diametrically) strain, it be pressed on top cover because of the pressure of Compressed Gas, thus, sealed with high-air-tightness between this hood and top cover.
The 4th technical scheme relates to a kind of driver, and in the 3rd technical scheme, driver engages with the cover main part by insert part forming.
According to the 4th technical scheme, with the soft material insert part forming in take hard material as the integrally formed sealing of the circumference of raw-material cover main part.Owing to cover main part and sealing can being treated as parts, therefore can improve assembleability and the maintainability of this hood and then raising driver.
The 5th technical scheme relates to a kind of driver, in the 4th technical scheme, is provided with take the soft material identical with sealing as raw-material guard section at the outer surface that covers main part.
According to the 5th technical scheme, be provided with take soft elastic material as raw-material guard section at the outer surface that covers main part.By making this guard section bring into play function as padded coaming, can absorb such as the impact when this driver drops to ground etc., thereby can alleviate or prevent this hood and then alleviate or prevent the damage of driver.
Description of drawings
Fig. 1 is the longitudinal section of the related driver integral body of present embodiment.
Fig. 2 is the top view that arrow from Fig. 1 (II) direction is observed the related driver of present embodiment.
Fig. 3 is the inside enlarged drawing of head valve (head valve) periphery.
Fig. 4 is Fig. 3 (IV) section enlarged drawing, is the enlarged drawing of the sealing of hood.
Fig. 5 is the figure that other embodiment of sealing is shown.
Label declaration:
W... squeeze into material; 1... driver (compressed air type nailing machine); 2... main part; 3... squeeze into section; 4... handle portion; 4a... hose coupling; 5... nail kit; 6... switch lever; 7... triggering valve; 7a... valve rod; 8... pressure accumulating chamber; 10... body shell; 11... cylinder body; 12... piston; 13... driver; 14... gas is supplied with the road; 15... top dead centre bolster; 15a... diaphragm seal; 16... top cover; 16a... exhaust channel; 16b... boss portion; 16c... sealing recess; 17... Compress Spring; 18... lower dead center bolster; 19... check-valves; 20... head valve; 20a... flange part; 20b... sealing protuberance; 20c... steam vent; 21... chamber on head valve; 22... return to gas compartment; 22a... return aperture; 23... chamber on cylinder body; 24... chamber under cylinder body; 25... first row air chamber; 26... second row air chamber; 30... hood; 31... cover main part; 31a... surrounding wall portion; 31b... sealed wall section; 32... sealing; 33... hold-down screw; 34... exhaust outlet; Use wave filter 34a... eliminate the noise; 35... guard shield; 36～38... sealing.
The specific embodiment
Secondly, based on Fig. 1～Fig. 5, embodiments of the present invention are described.The driver 1 that present embodiment shown in Fig. 1 is related.This driver 1 is with the nailing machine of Compressed Gas as drive source, possesses main part 2, squeezes into section 3, handle portion 4 and nail kit 5.
Be equipped with in main part 2: columnar cylinder body 11; And the piston 12 that utilizes Compressed Gas to move back and forth in this cylinder body 11.Cylinder body 11 is in-built in the mode of crossing in columnar body shell 10 and be combined in the top cover 16 of magnesium system on top of body shell 10.Lower surface center at piston 12 is equipped with the driver 13 of squeezing into part be used to impacting.Driver 13 cylinder body 11 interior towards below extend and its front arrives and squeezes in section 3.
As shown in Figure 3, around the upper side of cylinder body 11, be interior all sides of top cover 16, columnar head valve 20 is housed in the mode with displacement along the vertical direction.This head valve 20 has as the function of the top (on cylinder body, the chamber 23) that makes piston 12 with respect to the open and close valve of pressure accumulating chamber's 8 switchings.A plurality of Compress Springs 17～17 have been clamped between the top of top cover 16 and head valve 20.The direction application of force that head valve 20 is closed with respect to pressure accumulating chamber 8 by this Compress Spring 17～17 chamber 23 on the cylinder body.
Be at the outer peripheral face of head valve 20 and be provided with for bear the flange part 20a of the air pressure of pressure accumulating chamber 8 in the direction that moves up (opening direction) with stretching out shape, at the inner peripheral surface of head valve 20, spread all over interior all side complete cycles and be provided with sealing protuberance 20b.At the upside of sealing protuberance 20b, around head valve 20, be provided with a plurality of steam vent 20c～20c between the top of head valve 20 and flange part 20a.
The state that extends to the side with the sidepiece from main part 2 is provided with handle portion 4.Front end in handle portion 4 is provided with hose coupling 4a, and this hose coupling 4a is used for connecting Compressed Gas and supplies with the steam hose of use (omitting diagram).Be provided with pressure accumulating chamber 8 in the inside of handle portion 4, this pressure accumulating chamber 8 is used for the Compressed Gas that storage is supplied with via steam hose.
Be provided with near the base portion of handle portion 4 for the user and detain the switch lever 6 of the trigger form of pulling process with finger tip.Above this switch lever 6 and be that base portion in handle portion 4 is provided with and triggers valve 7, when the valve rod 7a that triggers valve 7 when the button pulling process by switch lever 6 is pressed into towards the top, triggers valve 7 and connect.When the button pulling process of cancel switch bar 6 and valve rod 7a when returning towards the below triggers valve 7 and disconnects.
When triggering valve 7 and connect, the gas that is arranged at main part 2 is supplied with road 14 and is cut off and be communicated with atmosphere from pressure accumulating chamber 8.Gas is supplied with road 14 and is communicated with the upper surface (on head valve, the chamber 21) of head valve 20.Thereby when triggering valve 7 connection, on head valve, chamber 21 is communicated with atmosphere.On the contrary, when triggering valve 7 and disconnect, thereby gas supply with road 14 and be communicated with Compressed Gas with pressure accumulating chamber 8 and be supplied in gas supply road 14, thereby, compress air feed and be supplied to chamber 21 on head valve.
Like this, by the operation that utilizes switch lever 6 carry out to triggering the connection opening operation of valve 7, make Compressed Gas act on the upper surface of head valve 20 state, with the upper surface that makes head valve 20 and state that atmosphere is communicated with between switching.On the other hand, act on all the time Compressed Gas in pressure accumulating chamber 8 at the lower surface of the flange part 20a of head valve 20.
Therefore, triggering under the off-state of valve 7, supplying with from pressure accumulating chamber 8 towards gas that on road 14 and head valve, the interior supplying compressed gas in chamber 21 has the state of air pressure in the upper surface effect of head valve 20 thereby become.When the upper surface effect at head valve 20 has under the state of air pressure, head valve 20 is by the active force of Compress Spring 17 and become closed condition.
On the other hand, when gas is supplied with and is communicated with atmosphere in chamber 21 on road 14 and head valve when triggering valve 7 to connect, act on the air pressure of pressure accumulating chamber 8 of lower face side of flange part 20a of head valve 20 greater than the making a concerted effort of the Compress Spring 17～17 of the upper surface side that acts on head valve 20, thereby head valve 20 moves towards upper position.When head valve 20 moves and when opening towards upper position, from pressure accumulating chamber 8 via the bottom side of head valve 20 and interior all sides thereof the interior supplying compressed gas in chamber 23 on the cylinder body.On present dynasty's cylinder body during the 23 interior supplying compressed gas of chamber, piston 12 is by the thrust of Compressed Gas and move down.Move down by piston 12, driver 13 moves down integratedly, utilizes the leading section (bottom) of driver 13 to impact one and squeezes into part (omitting diagram).Be supplied in the section of squeezing into 3 one from nail kit 5 and squeeze into part and impacted by driver 13 and got from the front end (exit wound of bullet) of squeezing into section 3, and be driven into and squeeze into material W.
The lower dead center of piston 12 is by lower dead center bolster 18 restrictions of the bottom that is arranged at cylinder body 11, and this lower dead center bolster 18 absorbs the impact that moves down end of piston 12.
Be provided with check-valves 19～19 midway at cylinder body 11.When piston 12 move down midway by this check-valves 19～19 time, the part of the Compressed Gas on cylinder body in chamber 23 flow into returning in gas compartment 22 of the outer circumferential side that is arranged at cylinder body 11 via this check-valves 19～19.Flow into the Compressed Gas that returns in gas compartment 22 and flow into the below (under cylinder body, the chamber 24) of piston 12 via return aperture 22a～22a.
Piston 12 arrive lower dead center and squeeze into part squeeze into end after, when removing when the button pulling process of switch lever 6 being triggered valve 7 disconnecting, as mentioned above, supply with the interior supplying compressed gas in chamber 21 on road 14 and head valve and head valve 20 is closed towards gas, and on cylinder body, chamber 23 is communicated with atmosphere.Be communicated with atmosphere by chamber on cylinder body 23, under cylinder body, the Compressed Gas (returning to gas) in chamber 24 moves up piston 12 by flowing into, and thus, piston 12 turns back to top dead centre.
Herein, move up and under the state opened at head valve 20, arrange in the inner that the sealing protuberance 20b of all sides becomes the state that is resisted against the diaphragm seal 15a that is arranged on top dead centre bolster 15, the first row air chamber 25 that is arranged at the steam vent 20c～20c of head valve 20 and is arranged on its outer circumferential side becomes the state that is hermetic cut off by chamber 23 from cylinder body.On the other hand, as shown in Figure 3, when head valve 20 moves down and when closing, its sealing protuberance 20b becomes the state that leaves from the diaphragm seal 15a of top dead centre bolster 15, on cylinder body, chamber 23 becomes the state that the steam vent 20c～20c via head valve 20 is communicated with first row air chamber 25.
First row air chamber 25 is communicated with the outside of top cover 16 via the exhaust channel 16a～16a that is arranged at top cover 16.Upper surface at top cover 16 is equipped with hood 30.Be provided with second row air chamber 26 between top cover 16 and hood 30.Second row air chamber 26 is communicated with first row air chamber 25 all the time via exhaust channel 16a～16a.Discharge Compressed Gas from triggering valve 7 towards second row air chamber 26 via exhaust channel 27.
Hood 30 possesses the cover main body 31 and sealing 32 of hard resin system.Cover main part 31 is bowl-type, and the upper surface of top cover 16 is fixed at its center by screw thread by hold-down screw 33.Cover main part 31 is installed in rotation mode freely via the boss portion 16b at the upper surface center that is arranged at top cover 16.Surrounding wall portion 31a in cover main body 31 is provided with exhaust outlet 34～34 in a plurality of positions of its all direction.As shown in Figure 2, exhaust outlet 34～34 roughly spreads all over the scope setting of approximately 180 °～200 ° along the surrounding wall portion 31a of cover main body 31.The wave filter 34a of noise elimination use is installed at each exhaust outlet 34.By cover main part 31 is rotated centered by boss portion 16b, the discharge directions (blow-off direction of Compressed Gas) via exhaust outlet 34～34 exhausts is changed.
The hood 30 of present embodiment has feature on the seal construction with respect to top cover 16.Front-end edge along the surrounding wall portion 31a that covers main part 31 is provided with sealing 32.Sealing section 32 is take soft resin material as raw material, and is arranged at cover main part 31 by insert part forming.In the present embodiment, adopt elastic resin as the raw material of sealing 32.As shown in Figure 4, sealing 32 is to have the parts that the cross section is the ring-type of U font, and spread all over state and the sealed wall 31b of section of the sealed wall 31b of section of front end face complete cycle of surrounding wall portion 31a with coating integrated.
On the other hand, at the upper surface periphery of top cover 16, the Zhou Fangxiang complete cycle that spreads all over centered by boss portion 16 is provided with sealing recess 16c.Hood 30 is so that sealing 32 flexibly is embedded into the upper surface that the interior state of sealing recess 16c is installed on top cover 16.Embed along sealing recess 16c take soft resin as raw-material sealing 32.Flexibly be embedded in sealing recess 16c by sealing section 32, prevent the Leakage Gas between the upper surface of this hood 30 and top cover 16, thus, guarantee the high-air-tightness of exhaust outlet 34～34 second row air chamber 26 in addition.
Especially, the sealing 32 of soft elastic material is mainly outer circumferential side wall and bottom surface by what be pressed against sealing recess 16c at the exhaust air pressure of second row air chamber 26 interior generations, thus, prevent reliably the Leakage Gas of the part beyond exhaust outlet 34～34 of second row air chamber 26, and then, whole exhausts all is discharged from via the exhaust outlet 34 of band noise elimination with wave filter 34a, thereby can realize quietization of this driver 1.
Upper surface at cover main part 31 is provided with guard shield 35 take the elastic resin material as raw material.The impact that utilizes this guard shield 35 to absorb when this driver 1 falls etc., thus can alleviate or prevent the damage of driver 1.In the present embodiment, this guard shield 35 is identical with sealing 32 take elastic resin as raw material, and same insert part forming is in the upper surface of cover main part 31 and integrated.
As described above like that, driver 1 according to present embodiment, can not produce Leakage Gas at second row air chamber 26 due to the Compressed Gas in chamber on cylinder body 23 but be discharged from via the exhaust outlet 34 of hood 30, therefore can promote quietization of this driver 1.
And, owing to utilizing the sealing 32 high take soft elastic resin material as the raw material elastic performance, the air-tightness of second row air chamber 26 improves, for cover main part 31, can improve rigidity take the hard resin material as raw material, therefore, can suppress the distortion that the pressure at expulsion because of second row air chamber 26 causes.Even if also can suppress or eliminate existing Leakage Gas in this.
And, due to the structure of elasticity butt with it in the sealing recess 16c that forms the high sealing of elasticity 32 and embed top covers 16 and all the time, therefore can give suitable resistance in the direction of rotation of this hood 30, can prevent from thus waiting because of vibration abnormal rotation (the position skew of discharge directions) of the hood 30 cause, therefore can make sealing section 32 have the positioning function of hood 30 concurrently.
In addition, be provided with the guard shield 35 of elastic resin system at the upper surface (rear surface) of the hood 30 that illustrates for example, therefore, can alleviate or prevent the damage on this driver 1 when this driver 1 drops to ground from hood 30 sides and ground or damage etc.
Can apply various changes to the above embodiment that has illustrated.For example, for sealing 32, show for example at the surrounding wall portion 31a of cover main part 31 and the sealed wall 31b of section is set and with the structure of the sealing 32 of the mode insert part forming cross section U font that coats the sealing wall 31b of section, but also can form the structure that sealing is set by mode shown in Figure 5.
Claims (5)
1. a driver, be equipped with the piston that moves back and forth in cylinder body as drive source with Compressed Gas in this driver,
Described driver is characterised in that,
Described driver possesses:
Top cover, this top cover limit the upper chamber of described cylinder body; And
Hood, this hood is installed along the rear surface of described top cover, and has the exhaust outlet that the Compressed Gas in the exhaust chamber between being formed at is both discharged towards atmosphere,
Described hood possesses:
The cover main part, this cover main part has described exhaust outlet; And
Sealing, sealing section is along the periphery setting of described cover main part, and at least when exhaust the pressure by Compressed Gas be connected to described top cover and sealing airtightly,
Described sealing take than the soft soft material of described cover main part as raw material.
2. driver according to claim 1, is characterized in that,
Described driver forms following structure: described sealing is connected to described top cover all the time, and as the positioning unit performance function of described cover main part with respect to described top cover.
3. driver according to claim 2, is characterized in that,
Described driver forms following structure: make the outer peripheral face of described sealing be connected to described top cover and seal.
4. driver according to claim 3, is characterized in that,
Described sealing engages with the cover main part by insert part forming.
5. driver according to claim 4, is characterized in that,
Outer surface at described cover main part is provided with take the soft material identical with described sealing as raw-material guard section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011249559A JP5758273B2 (en) | 2011-11-15 | 2011-11-15 | Driving tool |
| JP2011-249559 | 2011-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103101030A true CN103101030A (en) | 2013-05-15 |
| CN103101030B CN103101030B (en) | 2016-01-20 |
Family
ID=48309408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210460349.4A Active CN103101030B (en) | 2011-11-15 | 2012-11-15 | Driver |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5758273B2 (en) |
| CN (1) | CN103101030B (en) |
| TW (1) | TWI584917B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249336A (en) * | 2013-06-25 | 2014-12-31 | 罗伯特·博世有限公司 | Hand-held power tool |
| CN109277991A (en) * | 2017-07-19 | 2019-01-29 | 株式会社牧田 | Driver |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10363651B2 (en) | 2015-09-28 | 2019-07-30 | Caterpillar Inc. | Hammer assembly |
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| US5725142A (en) * | 1995-09-14 | 1998-03-10 | Hitachi Koki Co., Ltd. | Pneumatic fastener driving tool having air exhaust arrangement |
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| JP3954924B2 (en) * | 2002-08-09 | 2007-08-08 | 株式会社マキタ | Noise reduction device for pneumatic fastener driving machine |
| JP4925165B2 (en) * | 2006-01-31 | 2012-04-25 | 株式会社吉野工業所 | Airtight container with lid |
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| JP5386275B2 (en) * | 2009-09-01 | 2014-01-15 | アロン化成株式会社 | Drain valve |
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- 2012-11-15 CN CN201210460349.4A patent/CN103101030B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110030A (en) * | 1990-08-10 | 1992-05-05 | Hitachi Koki Co., Ltd. | Pneumatic fastener driving tool having an air exhaust arrangement |
| JPH0691559A (en) * | 1992-09-14 | 1994-04-05 | Umberto Monacelli | Hydraulic fastener driving device |
| US5725142A (en) * | 1995-09-14 | 1998-03-10 | Hitachi Koki Co., Ltd. | Pneumatic fastener driving tool having air exhaust arrangement |
| CN2261316Y (en) * | 1996-08-21 | 1997-09-03 | 重庆市沙坪坝区红旗铸造厂 | Aerating nail shooter with stored nails |
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| US20110266327A1 (en) * | 2010-05-03 | 2011-11-03 | De Poan Pneumatic Corp. | Trigger valve controlling device for pneumatic nail gun |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249336A (en) * | 2013-06-25 | 2014-12-31 | 罗伯特·博世有限公司 | Hand-held power tool |
| CN109277991A (en) * | 2017-07-19 | 2019-01-29 | 株式会社牧田 | Driver |
| CN109277991B (en) * | 2017-07-19 | 2022-10-21 | 株式会社牧田 | Driving tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201323162A (en) | 2013-06-16 |
| JP2013103309A (en) | 2013-05-30 |
| JP5758273B2 (en) | 2015-08-05 |
| TWI584917B (en) | 2017-06-01 |
| CN103101030B (en) | 2016-01-20 |
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