JPH02117851U - - Google Patents
Info
- Publication number
- JPH02117851U JPH02117851U JP2769889U JP2769889U JPH02117851U JP H02117851 U JPH02117851 U JP H02117851U JP 2769889 U JP2769889 U JP 2769889U JP 2769889 U JP2769889 U JP 2769889U JP H02117851 U JPH02117851 U JP H02117851U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotation signal
- armature
- control circuit
- tip
- 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.)
- Pending
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Milling, Drilling, And Turning Of Wood (AREA)
Description
第１図は、本考案になる回転信号発生構造の一
実施例を示す一部断面を含む正面図である。第２
図は、本考案を実施した電気ルータの斜視図、第
３図は、第２図を別の角度から見た斜視図、第４
図は、第３図のＡ−Ａ断面の一部で従来技術を示
す断面図、第５図は同回転検出の原理図である。
図において、１はマグネツト、２はマグネツト
ホルダ、３は熱収縮チユーブ、１３は電機子、１
４は制御回路である。
FIG. 1 is a partially sectional front view showing an embodiment of the rotation signal generating structure according to the present invention. Second
The figure is a perspective view of an electric router implementing the present invention, FIG. 3 is a perspective view of FIG. 2 viewed from a different angle, and FIG.
The figure is a cross-sectional view showing the prior art as a part of the cross section AA in FIG. 3, and FIG. 5 is a diagram showing the principle of detection of the same rotation. In the figure, 1 is a magnet, 2 is a magnet holder, 3 is a heat shrink tube, 13 is an armature, 1
4 is a control circuit.
Claims (1)
直接、或いは、マグネツトホルダを介して固定さ
れ、前記マグネツトが、回転することにより、回
転信号を、発生させ、該回転信号を、フイードバ
ツクすることにより、定速度制御を行なう制御回
路を搭載した電動工具において、前記マグネツト
に、熱収縮チユーブをかぶせたことを特徴とする
携帯用電動工具の回転信号発生構造。 It has an armature, a magnet is fixed to the tip of the armature directly or via a magnet holder, and when the magnet rotates, it generates a rotation signal and feeds back the rotation signal. A rotation signal generation structure for a portable power tool equipped with a control circuit for constant speed control, characterized in that the magnet is covered with a heat-shrinkable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2769889U JPH02117851U (en) | 1989-03-10 | 1989-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2769889U JPH02117851U (en) | 1989-03-10 | 1989-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117851U true JPH02117851U (en) | 1990-09-20 |
Family
ID=31250416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2769889U Pending JPH02117851U (en) | 1989-03-10 | 1989-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117851U (en) |
-
1989
- 1989-03-10 JP JP2769889U patent/JPH02117851U/ja active Pending
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