JP4653590B2 - 電動工具 - Google Patents
電動工具 Download PDFInfo
- Publication number
- JP4653590B2 JP4653590B2 JP2005235777A JP2005235777A JP4653590B2 JP 4653590 B2 JP4653590 B2 JP 4653590B2 JP 2005235777 A JP2005235777 A JP 2005235777A JP 2005235777 A JP2005235777 A JP 2005235777A JP 4653590 B2 JP4653590 B2 JP 4653590B2
- Authority
- JP
- Japan
- Prior art keywords
- brush holder
- housing
- elastic element
- commutator
- power 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
- H02K23/18—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having displaceable main or auxiliary brushes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Portable Power Tools In General (AREA)
- Motor Or Generator Frames (AREA)
- Harvester Elements (AREA)
Description
4 ハウジング
6 モータ
7 モータシャフト
8 工具ホルダ
10 工具
11 軸受台
12 整流子
14 ブラシホルダ
16 軸受リング
18 ブラシガイド
20 ブラシ
22 ラッチ
24 モータスイッチ
26 操作部材
28 突部
30 凹所
32 弾性素子
34 キャリアカム
36 軸受カム
38 アーチ部分
40 結合部分
42 重畳部分
44 係合部分
Claims (7)
- ハウジング(4)と,
該ハウジング(4)内に配設された正逆転可能なモータ(6)と,
該モータ(6)の中心軸線(A)を中心として回動可能な整流子(12)に対して電気的に接触する少なくとも2個のブラシ(20)を保持するためのブラシホルダ(14)と,
前記ハウジング(4)の外部から操作可能であり,ブラシホルダ(14)をハウジング(4)に対して整流子(12)の円周方向(U)で正転位置又は逆転位置まで旋回可能とする操作部材(26)と,
前記ブラシホルダ(14)を前記正転位置及び逆転位置に向けて附勢する附勢手段とを具える電動工具(2)であって,
該附勢手段が,ブラシホルダ(14)に対し,整流子(12)の円周方向(U)のみならず,中心軸線(A)方向にも弾性力を作用させる少なくとも1個の弾性素子(32)を具えることを特徴とする電動工具。 - 請求項1記載の電動工具において,前記弾性素子(32)が,互いに対向して結合された2個のアーチ部分(38)を具えることを特徴とする電動工具。
- 請求項1又は2に記載の電動工具において,前記弾性素子(32)が,略ループ形状を呈する基体を具えることを特徴とする電動工具。
- 請求項3記載の電動工具において,前記弾性素子(32)の基体が,単一のばね板で構成されていることを特徴とする電動工具。
- 請求項1〜4の何れか一項に記載の電動工具において,前記弾性素子(32)が,互いに対向する二つの側でそれぞれ係合部分(44)を有し,その一方が組立状態でハウジングに固定される対応係合部分と係合すると共に,他方がブラシホルダ(14)の対応係合部分と係合することを特徴とする電動工具。
- 請求項1〜5の何れか一項に記載の電動工具において,前記附勢手段が,少なくとも2個の前記弾性素子(32)を具えることを特徴とする電動工具。
- 請求項6記載の電動工具において,前記少なくとも2個の弾性素子(32)が,整流子(12)の中心軸線(A)に対して互いに対向する傾斜部を有することを特徴とする電動工具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004039611A DE102004039611B4 (de) | 2004-08-16 | 2004-08-16 | Elektrisch betriebenes Werkzeuggerät |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006060996A JP2006060996A (ja) | 2006-03-02 |
JP4653590B2 true JP4653590B2 (ja) | 2011-03-16 |
Family
ID=35427779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005235777A Active JP4653590B2 (ja) | 2004-08-16 | 2005-08-16 | 電動工具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7190100B2 (ja) |
EP (1) | EP1628385B1 (ja) |
JP (1) | JP4653590B2 (ja) |
DE (2) | DE102004039611B4 (ja) |
ES (1) | ES2345892T3 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090114412A1 (en) * | 2007-11-05 | 2009-05-07 | Black And Decker Inc. | Power tool having housing with enhanced impact resistance |
KR101226820B1 (ko) | 2011-12-29 | 2013-01-25 | 계양전기 주식회사 | 회전방향 전환장치를 구비한 전동공구용 모터 |
DE102012014453A1 (de) * | 2012-07-21 | 2014-01-23 | Audi Ag | Elektrische Maschine und Kraftfahrzeug mit einer derartigen elektrischen Maschine |
JP6309881B2 (ja) * | 2014-11-14 | 2018-04-11 | 株式会社マキタ | 作業工具 |
DE102014225514A1 (de) * | 2014-12-11 | 2016-06-16 | Robert Bosch Gmbh | Kommutierungseinrichtung für eine elektrische Maschine |
JP7080606B2 (ja) * | 2017-08-29 | 2022-06-06 | 株式会社マキタ | 作業工具 |
KR102253998B1 (ko) * | 2019-11-25 | 2021-05-21 | 계양전기 주식회사 | 회전식 모드 전환장치를 구비한 전동공구의 모터부 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB314576A (en) * | 1928-03-30 | 1929-07-01 | Stone J & Co Ltd | Improvements in and relating to brush and terminal contact mechanism of dynamo electric machines |
JP2001179659A (ja) * | 1999-10-29 | 2001-07-03 | Hilti Ag | 電動工具装置 |
JP2002218711A (ja) * | 2001-01-16 | 2002-08-02 | Yaskawa Electric Corp | 直流電動機 |
DE10152963A1 (de) * | 2001-10-26 | 2003-05-15 | Bosch Gmbh Robert | Elektromaschine |
JP2004140990A (ja) * | 2002-09-27 | 2004-05-13 | Ntt Data Corp | 電動機 |
JP2004153943A (ja) * | 2002-10-31 | 2004-05-27 | Jidosha Denki Kogyo Co Ltd | ワイパモータ駆動装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3731079A1 (de) * | 1987-09-16 | 1989-03-30 | Metabowerke Kg | Elektrohandwerkzeug mit einem universalmotor mit rechts- und linkslauf |
NL8800366A (nl) * | 1988-02-15 | 1989-09-01 | Emerson Electric Co | Montage-inrichting voor borstels bij een omkeerbare collectormotor. |
US5955802A (en) * | 1997-12-19 | 1999-09-21 | Black & Decker Inc. | Reversing mechanism for electric motors |
-
2004
- 2004-08-16 DE DE102004039611A patent/DE102004039611B4/de not_active Expired - Fee Related
-
2005
- 2005-08-11 EP EP05107377A patent/EP1628385B1/de active Active
- 2005-08-11 ES ES05107377T patent/ES2345892T3/es active Active
- 2005-08-11 DE DE502005009748T patent/DE502005009748D1/de active Active
- 2005-08-15 US US11/205,226 patent/US7190100B2/en active Active
- 2005-08-16 JP JP2005235777A patent/JP4653590B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB314576A (en) * | 1928-03-30 | 1929-07-01 | Stone J & Co Ltd | Improvements in and relating to brush and terminal contact mechanism of dynamo electric machines |
JP2001179659A (ja) * | 1999-10-29 | 2001-07-03 | Hilti Ag | 電動工具装置 |
JP2002218711A (ja) * | 2001-01-16 | 2002-08-02 | Yaskawa Electric Corp | 直流電動機 |
DE10152963A1 (de) * | 2001-10-26 | 2003-05-15 | Bosch Gmbh Robert | Elektromaschine |
JP2004140990A (ja) * | 2002-09-27 | 2004-05-13 | Ntt Data Corp | 電動機 |
JP2004153943A (ja) * | 2002-10-31 | 2004-05-27 | Jidosha Denki Kogyo Co Ltd | ワイパモータ駆動装置 |
Also Published As
Publication number | Publication date |
---|---|
ES2345892T3 (es) | 2010-10-05 |
DE502005009748D1 (de) | 2010-07-29 |
EP1628385A3 (de) | 2009-06-24 |
JP2006060996A (ja) | 2006-03-02 |
DE102004039611B4 (de) | 2010-09-30 |
US7190100B2 (en) | 2007-03-13 |
EP1628385A2 (de) | 2006-02-22 |
US20060033399A1 (en) | 2006-02-16 |
DE102004039611A1 (de) | 2006-03-09 |
EP1628385B1 (de) | 2010-06-16 |
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