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JP2006142402A - Portable tool - Google Patents

Portable tool Download PDF

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Publication number
JP2006142402A
JP2006142402A JP2004332674A JP2004332674A JP2006142402A JP 2006142402 A JP2006142402 A JP 2006142402A JP 2004332674 A JP2004332674 A JP 2004332674A JP 2004332674 A JP2004332674 A JP 2004332674A JP 2006142402 A JP2006142402 A JP 2006142402A
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Japan
Prior art keywords
rfid tag
housing
kumi
portable tool
recess
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Pending
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JP2004332674A
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Japanese (ja)
Inventor
Shigeru Shinohara
茂 篠原
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Koki Holdings Co Ltd
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Hitachi Koki Co Ltd
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Publication date
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Priority to JP2004332674A priority Critical patent/JP2006142402A/en
Publication of JP2006142402A publication Critical patent/JP2006142402A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable tool capable of preventing occurrence of failures of an RFID tag. <P>SOLUTION: The RFID tag 7 or an RFID tag assembly 8 is mounted near a housing 2 composed by internally fitting a motor 3 as a driving source in the portable tool. The RFID tag assembly 8 is composed by externally cladding the RFID tag 7 with cladding composed of a resin mold material and an elastic body or the like. As a fixing method for the RFID tag 7 or the RFID tag assembly 8, there is adopted a method, in which the RFID tag 7 or the RFID tag assembly 8 is mounted to a recessed part formed to the inside of the housing 2 or an insertion region, and a method or the like, in which the RFID tag 7 is mounted in the recessed part formed to the outside of the housing 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、電磁波やマイクロ波にて通信可能なＲＦＩＤタグが付けられた携帯工具に関するものである。ここで、携帯工具としては、電池で駆動されるドライバドリル、インパクトドリル、ハンマ等のコードレス工具、商用電源で駆動される電気ドリル、電気ハンマ、電気ディスクグラインダ等の電動工具、空気で駆動される釘打機、タッカ等の空気工具等がが挙げられる。   The present invention relates to a portable tool with an RFID tag that can communicate with electromagnetic waves or microwaves. Here, portable tools include cordless tools such as battery-driven driver drills, impact drills, and hammers, electric drills driven by commercial power supplies, electric hammers, electric disc grinders, and other power tools, and air-driven tools. Examples thereof include a nailing machine and a pneumatic tool such as a tacker.

従来から、外部処理装置との通信を非接触で行う非接触ＩＣ記憶媒体として、例えば非接触型のＲＦＩＤタグが一般に知られている。この種のＲＦＩＤタグは、アンテナと送受信部及びメモリから成るＩＣチップを備えるもので、リーダ／ライタ側のアンテナから発生した電波によってＲＦＩＤタグに電力が生じ、その電力を利用してＲＦＩＤタグのメモリに記憶している情報をリーダ／ライタ側のアンテナに送り、或はリーダ／ライタ側からＲＦＩＤタグに情報を送りメモリに記憶させることができるよう構成されている。   Conventionally, for example, a non-contact type RFID tag is generally known as a non-contact IC storage medium that performs non-contact communication with an external processing device. This type of RFID tag includes an IC chip including an antenna, a transmission / reception unit, and a memory. Electric power is generated in the RFID tag by radio waves generated from the antenna on the reader / writer side, and the RFID tag memory is generated using the power. The information stored in the reader / writer side can be sent to the antenna on the reader / writer side, or the information can be sent from the reader / writer side to the RFID tag and stored in the memory.

而して、上記ＲＦＩＤタグを携帯工具に付けることにより、該ＲＦＩＤタグに製造工場、製造年月日、機種名、販売店等の基本的情報並びに保守等の物流情報を記憶させ、販売保守情報管理等を行うことができる。   Thus, by attaching the RFID tag to a portable tool, the RFID tag stores basic information such as a manufacturing factory, a manufacturing date, a model name, a store, and logistics information such as maintenance, and sales maintenance information. Management etc. can be performed.

特表２００２−５３６７２６号公報JP 2002-536726 A

ところで、携帯工具は切削、切断、締付け、穴あけ等の作業を行う携帯用ツールとして、建設や建築現場をはじめとして、工場、ＤＩＹ等において幅広く使用されている。   By the way, the portable tool is widely used as a portable tool for performing operations such as cutting, cutting, tightening, and drilling in construction, construction sites, factories, DIY, and the like.

しかし、携帯工具は携帯用であるが故に地面に落とされたり、乱雑に扱われたりするため、そのハウジングの表面には異常な力が掛かる。このため、携帯工具のハウジングの外側にＲＦＩＤタグを単に貼り付けるだけでは、該ＲＦＩＤタグを構成するアンテナやＩＣチップ等を傷付け或は壊し、ＲＦＩＤタグの故障を発生させる要因となる。   However, since the portable tool is portable, it is dropped on the ground or handled in a messy manner, and an abnormal force is applied to the surface of the housing. For this reason, simply attaching the RFID tag to the outside of the housing of the portable tool may cause damage to or damage to the antenna, IC chip, etc. constituting the RFID tag, and cause a failure of the RFID tag.

一方、実作業時の携帯工具の振動は非常に大きなものとなるため、振動によってもＲＦＩＤタグの故障を発生させる要因となる。   On the other hand, the vibration of the portable tool during actual work becomes very large, and the vibration causes a failure of the RFID tag.

本発明の上記問題に鑑みてなされたもで、その目的とする処は、ＲＦＩＤタグの故障を防ぐことができる携帯工具を提供することにある。   The present invention has been made in view of the above-described problems, and an object thereof is to provide a portable tool capable of preventing a failure of an RFID tag.

上記目的を達成するため、請求項１記載の発明は、携帯工具において、駆動源であるモータを内装して成るハウジングの近傍に、ＲＦＩＤタグ又はＲＦＩＤタグクミを装着したことを特徴とする。   In order to achieve the above object, the invention according to claim 1 is characterized in that, in the portable tool, an RFID tag or an RFID tag cum is mounted in the vicinity of a housing in which a motor as a driving source is housed.

請求項２記載の発明は、請求項１記載の発明において、前記ＲＦＩＤタグクミは、前記ＲＦＩＤタグを樹脂モールド材、弾性体等から成る外装材で外装して構成されることを特徴とする。   According to a second aspect of the present invention, in the first aspect of the invention, the RFID tag cum is configured by packaging the RFID tag with an exterior material made of a resin mold material, an elastic body, or the like.

請求項３記載の発明は、請求項１又は２記載の発明において、ハウジングの内側に前記ＲＦＩＤタグ又は前記ＲＦＩＤタグクミを収納可能な凹部又は挿入領域を形成し、該凹部又は挿入領域に前記ＲＦＩＤタグ又は前記ＲＦＩＤタグクミを取り付けたことを特徴とする。   According to a third aspect of the present invention, in the first or second aspect of the present invention, a recess or an insertion region capable of storing the RFID tag or the RFID tag kumi is formed inside the housing, and the RFID tag is formed in the recess or the insertion region. Alternatively, the RFID tag cum is attached.

請求項４記載の発明は、請求項１又は２記載の発明において、ハウジングの外側に前記ＲＦＩＤタグを収納可能な凹部を形成し、該凹部内に前記ＲＦＩＤタグを取り付けたことを特徴とする。   According to a fourth aspect of the present invention, in the first or second aspect of the present invention, a recess capable of accommodating the RFID tag is formed outside the housing, and the RFID tag is attached in the recess.

本発明によれば、ＲＦＩＤタグ又はＲＦＩＤタグクミを外力や工具の振動等により故障しないハウジングの近傍に配置にしたため、ＲＦＩＤタグに製造工場、製造年月日、機種名、販売店等の基本的情報並びに保守等の物流情報を記憶させて販売保守情報管理等を行うことができる。   According to the present invention, since the RFID tag or RFID tag kumi is arranged in the vicinity of the housing that does not break down due to external force or tool vibration, the RFID tag has basic information such as a manufacturing factory, a manufacturing date, a model name, and a store. In addition, distribution information such as maintenance can be stored to manage sales maintenance information.

以下に本発明の実施の携帯を添付図面に基づいて説明する。   Hereinafter, the carrying of the present invention will be described with reference to the accompanying drawings.

＜実施の形態１＞
図１は本発明の実施の形態１に係るインパクトドライバの一部縦断側面図である。 <Embodiment 1>
FIG. 1 is a partially longitudinal side view of an impact driver according to Embodiment 1 of the present invention.

図１に示すインパクトドライバにおいては、工具本体１を形成するハウジング２に内装されたモータ３の回転動力は、打撃機構部４を介して先端工具把持部５に伝達され、この先端工具把持部５に装着された不図示の先端工具を回転駆動して所要のねじ締め及びボルト締めが行われる。ここで、スイッチ６によって、モータ３への電力供給が操作される。   In the impact driver shown in FIG. 1, the rotational power of the motor 3 housed in the housing 2 that forms the tool body 1 is transmitted to the tip tool gripping portion 5 via the striking mechanism portion 4. A tip tool (not shown) mounted on is rotated to perform required screw tightening and bolt tightening. Here, the power supply to the motor 3 is operated by the switch 6.

又、ハウジング２の近傍には、ＲＦＩＤタグ７或はＲＦＩＤタグクミ８が配置されているる。ここで、図２に本発明において用いられるＲＦＩＤタグ７の上面図を示すが、ＲＦＩＤタグ７においては、紙、或はポリエステル等の基板７ａに、カーボンインキ等の導電性インキを使用して一対のアンテナ７ｂ，７ｂ’が印刷されている。そして、アンテナ７ｂ，７ｂ’間にはＩＣチップ７ｃが配置され、これらは電気的に接続されており、ＲＦＩＤタグ７は、一定周波数の電波を送受信することができる。   Further, an RFID tag 7 or an RFID tag cum 8 is disposed in the vicinity of the housing 2. Here, FIG. 2 shows a top view of the RFID tag 7 used in the present invention. In the RFID tag 7, a pair of paper or polyester or the like is used by using conductive ink such as carbon ink. The antennas 7b and 7b 'are printed. An IC chip 7c is disposed between the antennas 7b and 7b ', and these are electrically connected. The RFID tag 7 can transmit and receive radio waves having a constant frequency.

図３に本発明において用いられるＲＦＩＤタグクミ８の断面図を示す。ＲＦＩＤタグクミ８は、ＲＦＩＤタグ７を外装材８ａで外装して構成されており、外装材８ａは樹脂モールド材、弾性体等で構成されている。ここで、ＲＦＩＤタグクミ８は、ＲＦＩＤタグ７に比べて外形寸法が大きくなる反面、塵埃や外力、振動等に対して有利である。このＲＦＩＤダグクミ８の配置場所としては、振動が大きい打撃機構部４及び先端工具把持部５を避けたモータ３周りやスイッチ６周りのハウジング２の近傍が好ましい。   FIG. 3 shows a cross-sectional view of the RFID tag cum 8 used in the present invention. The RFID tag cum 8 is configured by packaging the RFID tag 7 with an exterior material 8a, and the exterior material 8a is composed of a resin mold material, an elastic body, or the like. Here, the RFID tag cum 8 has an outer dimension larger than that of the RFID tag 7, but is advantageous for dust, external force, vibration and the like. As the place where the RFID tag 8 is disposed, the vicinity of the housing 3 around the motor 3 and the switch 6 avoiding the striking mechanism portion 4 and the tip tool gripping portion 5 where vibration is large is preferable.

次に、ＲＦＩＤタグ７、ＲＦＩＤタグクミ８のハウジング２への固定方法を図４〜図８に示す。   Next, a method of fixing the RFID tag 7 and the RFID tag kumi 8 to the housing 2 is shown in FIGS.

図４（ａ），（ｂ）はＲＦＩＤタグ７、ＲＦＩＤタグクミ８をハウジング２の内側に配置する第１の固定方法を示す。ＲＦＩＤタグ７、ＲＦＩＤタグクミ８の何れも接着剤にて直接貼着するか、不図示の押え板で押えてねじ止め等で取り付ける。   FIGS. 4A and 4B show a first fixing method in which the RFID tag 7 and the RFID tag kumi 8 are arranged inside the housing 2. Either the RFID tag 7 or the RFID tag kumi 8 is directly attached with an adhesive, or is attached with a pressing plate (not shown) and screwed or the like.

図５（ａ），（ｂ）はハウジング２の内側に形成された凹部のエリアにＲＦＩＤタグ７、ＲＦＩＤタグクミ８を配置する第２の固定方法を示す。この方法においても、ＲＦＩＤタグ７、ＲＦＩＤタグクミ８の何れも接着剤にて直接貼着するか、不図示の押え板で押えてねじ止め等で取り付ける。   FIGS. 5A and 5B show a second fixing method in which the RFID tag 7 and the RFID tag kumi 8 are arranged in the area of a recess formed inside the housing 2. Also in this method, both the RFID tag 7 and the RFID tag kumi 8 are directly attached with an adhesive, or are attached with a pressing plate (not shown) and screwed or the like.

図６（ａ），（ｂ）はハウジング２の内側に凹部を形成する代わりにリブ９を設け、このリブ９が設けられたエリアにＲＦＩＤタグ７、ＲＦＩＤタグクミ８を配置する第３の固定方法を示す。この方法においても、ＲＦＩＤタグ７、ＲＦＩＤタグクミ８の何れも接着剤にて直接貼着するか、不図示の押え板で押えてねじ止め等で取り付ける。又、ハウジング２が二つ割の場合、ＲＦＩＤタグ７はハウジング２の片方或は両方にリブ等を立てることにより固定される。   6A and 6B show a third fixing method in which a rib 9 is provided instead of forming a recess inside the housing 2, and the RFID tag 7 and the RFID tag kumi 8 are arranged in the area where the rib 9 is provided. Indicates. Also in this method, both the RFID tag 7 and the RFID tag kumi 8 are directly attached with an adhesive, or are attached with a pressing plate (not shown) and screwed or the like. When the housing 2 is divided into two parts, the RFID tag 7 is fixed by raising a rib or the like on one or both of the housings 2.

図７（ａ），（ｂ）はハウジング２の内側に挿入箇所を設け、この挿入箇所にＲＦＩＤタグ７、ＲＦＩＤタグクミ８を設ける第４の固定方法を示す。   7A and 7B show a fourth fixing method in which an insertion portion is provided inside the housing 2, and the RFID tag 7 and the RFID tag kumi 8 are provided at the insertion portion.

図８はハウジング２の外側に形成された凹部のエリアにＲＦＩＤタグクミ８を配置する第５の固定方法を示す。この場合、外観を考慮すると同時に異常な外力に対応するため、銘板等を兼ねた押え板１０を配置する。   FIG. 8 shows a fifth fixing method in which the RFID tag cum 8 is arranged in the area of the recess formed outside the housing 2. In this case, in order to deal with an abnormal external force while considering the appearance, the presser plate 10 also serving as a nameplate is disposed.

而して、本実施の形態によれば、ＲＦＩＤタグ７又はＲＦＩＤタグクミ８を外力や工具の振動等により故障しないハウジングの近傍に配置にしたため、ＲＦＩＤタグ７に製造工場、製造年月日、機種名、販売店等の基本的情報並びに保守等の物流情報を記憶させて販売保守情報管理等を行うことができる。   Thus, according to the present embodiment, since the RFID tag 7 or the RFID tag kumi 8 is arranged in the vicinity of the housing that does not break down due to external force, tool vibration or the like, the RFID tag 7 has a manufacturing factory, date of manufacture, model Sales / maintenance information management and the like can be performed by storing basic information such as name and store and logistics information such as maintenance.

＜実施の形態２＞
次に、本発明の実施の形態２を図９に基づいて説明する。 <Embodiment 2>
Next, a second embodiment of the present invention will be described with reference to FIG.

図９は本発明の実施の形態２に係るコードレスドライバドリルの一部縦断側面図である。   FIG. 9 is a partially longitudinal side view of the cordless driver drill according to Embodiment 2 of the present invention.

図１に示すインパクトドライバにおいては、コードレス工具本体１１を形成するハウジング１２に内装されたモータ１３の回転動力は、動力伝達部である減速機構部１４を介して先端工具把持部１５に伝達され、この先端工具把持部１５に装着された不図示の先端工具を回転駆動して所要のねじ締め及び穴あけが行われる。ここで、スイッチ１６は、ニッケルカドミウム電池或はニッケル水素電池等の蓄電池１７からモータ１３への電力供給を操作する。ＲＦＩＤタグ７、ＲＦＩＤタグクミ８の固定に関しては前記実施の形態と同様である。   In the impact driver shown in FIG. 1, the rotational power of the motor 13 housed in the housing 12 forming the cordless tool body 11 is transmitted to the tip tool gripping part 15 via the speed reduction mechanism part 14 that is a power transmission part, A not-shown tip tool mounted on the tip tool gripping portion 15 is rotationally driven to perform required screw tightening and drilling. Here, the switch 16 operates power supply from the storage battery 17 such as a nickel cadmium battery or a nickel hydride battery to the motor 13. The RFID tag 7 and the RFID tag kumi 8 are fixed in the same manner as in the above embodiment.

而して、本実施の形態においても、前記実施の形態１と同様の効果が得られる。   Thus, also in this embodiment, the same effect as in the first embodiment can be obtained.

本発明の実施の形態１に係るインパクトドライバの一部縦断側面図である。It is a partial longitudinal cross-sectional side view of the impact driver which concerns on Embodiment 1 of this invention. 本発明において用いられるＲＦＩＤタグの上面図である。It is a top view of the RFID tag used in the present invention. 本発明において用いられるＲＦＩＤタグクミ８の断面図である。It is sectional drawing of the RFID tag cum 8 used in this invention. （ａ），（ｂ）はＲＦＩＤタグ、ＲＦＩＤタグクミをハウジングの内側に配置する第１の固定方法を示す断面図である。(A), (b) is sectional drawing which shows the 1st fixing method which arrange | positions an RFID tag and RFID tag kumi inside a housing. （ａ），（ｂ）はハウジングの内側に形成された凹部エリアにＲＦＩＤタグ、ＲＦＩＤタグクミを配置する第２の固定方法を示す断面図である。(A), (b) is sectional drawing which shows the 2nd fixing method which arrange | positions an RFID tag and an RFID tag kumi in the recessed area formed inside the housing. （ａ），（ｂ）はハウジングの内側に凹部を形成する代わりにリブを設けたエリアにＲＦＩＤタグ、ＲＦＩＤタグクミを配置する第３の固定方法を示す断面図である。(A), (b) is sectional drawing which shows the 3rd fixing method which arrange | positions an RFID tag and an RFID tag kumi in the area which provided the rib instead of forming a recessed part inside a housing. （ａ），（ｂ）はハウジングの内側に設けられた挿入箇所にＲＦＩＤタグ、ＲＦＩＤタグクミを配置する第４の固定方法を示す断面図である。(A), (b) is sectional drawing which shows the 4th fixing method which arrange | positions a RFID tag and a RFID tag kumi in the insertion location provided inside the housing. ハウジングの外側に形成された凹部エリアにＲＦＩＤタグクミを配置する第５の固定方法を示す断面図である。It is sectional drawing which shows the 5th fixing method which arrange | positions an RFID tag kumi in the recessed area formed in the outer side of a housing. 本発明の実施の形態２に係るコードレスドライバドリルの一部縦断側面図である。It is a partial vertical side view of the cordless driver drill which concerns on Embodiment 2 of this invention.

符号の説明Explanation of symbols

１，１１ 工具本体
２，１２ ハウジング
３，１３ モータ
４，１４ 打撃機構部
５，１５ 先端工具把持部
６，１６ スイッチ
７ ＲＦＩＤタグ
８ ＲＦＩＤタグクミ
９ リブ
１０ 押え板
１７ 蓄電池 DESCRIPTION OF SYMBOLS 1,11 Tool main body 2,12 Housing 3,13 Motor 4,14 Impact mechanism part 5,15 Tip tool gripping part 6,16 Switch 7 RFID tag 8 RFID tag kumi 9 Rib 10 Holding plate 17 Storage battery

Claims (4)

駆動源であるモータを内装して成るハウジングの近傍に、ＲＦＩＤタグ又はＲＦＩＤタグクミを装着したことを特徴とする携帯工具。   A portable tool comprising an RFID tag or an RFID tag comb mounted in the vicinity of a housing having a motor as a driving source. 前記ＲＦＩＤタグクミは、前記ＲＦＩＤタグを樹脂モールド材、弾性体等から成る外装材で外装して構成されることを特徴とする請求項１記載の携帯工具。   The portable tool according to claim 1, wherein the RFID tag cum is configured by packaging the RFID tag with an exterior material made of a resin mold material, an elastic body, or the like. ハウジングの内側に前記ＲＦＩＤタグ又は前記ＲＦＩＤタグクミを収納可能な凹部又は挿入領域を形成し、該凹部又は挿入領域に前記ＲＦＩＤタグ又は前記ＲＦＩＤタグクミを取り付けたことを特徴とする請求項１又は２記載の携帯工具。   3. A recess or an insertion region capable of storing the RFID tag or the RFID tag kumi is formed inside a housing, and the RFID tag or the RFID tag kumi is attached to the recess or the insertion region. Portable tools. ハウジングの外側に前記ＲＦＩＤタグを収納可能な凹部を形成し、該凹部内に前記ＲＦＩＤタグを取り付けたことを特徴とする請求項１又は２記載の携帯工具。   The portable tool according to claim 1 or 2, wherein a recess capable of accommodating the RFID tag is formed outside the housing, and the RFID tag is attached in the recess.
JP2004332674A 2004-11-17 2004-11-17 Portable tool Pending JP2006142402A (en)

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EP2149433A2 (en) 2008-07-31 2010-02-03 Makita Corporation Electric devices
JP2011067908A (en) * 2009-09-25 2011-04-07 Panasonic Electric Works Power Tools Co Ltd Power tool
CN102601778A (en) * 2011-01-20 2012-07-25 株式会社牧田 Rechargeable electric tool
KR20140002482A (en) * 2012-06-30 2014-01-08 더 보잉 컴파니 Production tool having rfid device mounted within a dielectric inclusion
JP2016105265A (en) * 2014-11-20 2016-06-09 ケイ・アール・ディコーポレーション株式会社 Work tool
US9898698B2 (en) 2011-07-01 2018-02-20 The Boeing Company Production tool having RFID device mounted within a dielectric inclusion
WO2019014880A1 (en) * 2017-07-19 2019-01-24 深圳和而泰智能控制股份有限公司 Electric device capable of automatically identifying drill bit, drill bit, and electric tool
JP2019513088A (en) * 2016-03-10 2019-05-23 ヒルティ アクチエンゲゼルシャフト Hand-held power tool and amplifier antenna
WO2020095448A1 (en) * 2018-11-09 2020-05-14 京セラ株式会社 Circular saw
WO2020095414A1 (en) * 2018-11-08 2020-05-14 京セラ株式会社 Electric tool

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JP2004287821A (en) * 2003-03-20 2004-10-14 Matsushita Electric Works Ltd Use support method and device for power tool

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JPH11333761A (en) * 1998-05-26 1999-12-07 Matsushita Electric Works Ltd Power tool
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JP2004287821A (en) * 2003-03-20 2004-10-14 Matsushita Electric Works Ltd Use support method and device for power tool

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2149433A2 (en) 2008-07-31 2010-02-03 Makita Corporation Electric devices
EP2149433A3 (en) * 2008-07-31 2010-11-17 Makita Corporation Electric devices
US8066533B2 (en) 2008-07-31 2011-11-29 Makita Corporation Electric devices
RU2495520C2 (en) * 2008-07-31 2013-10-10 Макита Корпорейшн Electric devices
JP2011067908A (en) * 2009-09-25 2011-04-07 Panasonic Electric Works Power Tools Co Ltd Power tool
CN102029600A (en) * 2009-09-25 2011-04-27 松下电工电动工具株式会社 Electric power tool
CN102601778A (en) * 2011-01-20 2012-07-25 株式会社牧田 Rechargeable electric tool
US9898698B2 (en) 2011-07-01 2018-02-20 The Boeing Company Production tool having RFID device mounted within a dielectric inclusion
JP2014013568A (en) * 2012-06-30 2014-01-23 Boeing Co Production tool having rfid device mounted within dielectric inclusion
KR20140002482A (en) * 2012-06-30 2014-01-08 더 보잉 컴파니 Production tool having rfid device mounted within a dielectric inclusion
KR102067839B1 (en) * 2012-06-30 2020-01-17 더 보잉 컴파니 Production tool having rfid device mounted within a dielectric inclusion
JP2016105265A (en) * 2014-11-20 2016-06-09 ケイ・アール・ディコーポレーション株式会社 Work tool
JP2019513088A (en) * 2016-03-10 2019-05-23 ヒルティ アクチエンゲゼルシャフト Hand-held power tool and amplifier antenna
WO2019014880A1 (en) * 2017-07-19 2019-01-24 深圳和而泰智能控制股份有限公司 Electric device capable of automatically identifying drill bit, drill bit, and electric tool
WO2020095414A1 (en) * 2018-11-08 2020-05-14 京セラ株式会社 Electric tool
WO2020095448A1 (en) * 2018-11-09 2020-05-14 京セラ株式会社 Circular saw

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