JPS60149620U - Dental handpiece rotation speed control device - Google Patents
Dental handpiece rotation speed control deviceInfo
- Publication number
- JPS60149620U JPS60149620U JP2369785U JP2369785U JPS60149620U JP S60149620 U JPS60149620 U JP S60149620U JP 2369785 U JP2369785 U JP 2369785U JP 2369785 U JP2369785 U JP 2369785U JP S60149620 U JPS60149620 U JP S60149620U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- reflective surface
- rotor
- control device
- dental handpiece
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図乃至第５図はいずれも本考案の実施例における回
転数検出器を示すものであり、第１図ａ、 ｂはエアー
軸受タイプのハンドピースの要部の側断面図及び底面図
、第２図ａ、 ｂは接続状況を示す側面図、゛第３図ａ
、 ｂはボールベアリング軸受タイプのハンドピースの
要部の側断面図及び底面図、第４図ａ、 ｂは他の変形
例の要部の側面図及び斜視図、第５図は更に他の変形例
の要部の斜視図、第６図は別の実施例、の要部の斜視図
である。第６図は本考案の回転数制御装置の一実施例の
ブロック図ミ第７図Ｃ゛ま同上のタイミングチャート図
、第８図は同実施例における圧力調節弁の− ′
。
部破断側面図、第９図は同上におけるエアー管路図であ
る。
（符号の説明）、１・・・ハンドピース、２・・・ヘッ
ド、７′・・田−夕軸、９．１０・・・グラスファイバ
、１３・・・断続反射面、１６・・・発光部、１７・・
・受光部、１８・・・回転数検出器、３１・・・光源、
４１・・・比較回路、４３・・田−夕駆動部、５０・・
・圧力調節弁。Figures 1 to 5 all show a rotation speed detector in an embodiment of the present invention, and Figures 1a and 1b are a side sectional view and a bottom view of the main parts of an air bearing type handpiece; Figures 2a and b are side views showing the connection status, Figure 3a
, b is a side sectional view and bottom view of the main parts of a ball bearing bearing type handpiece, Figs. 4a and b are side views and perspective views of the main parts of another modification, and Fig. 5 is a still another modification. FIG. 6 is a perspective view of the main parts of another embodiment. FIG. 6 is a block diagram of an embodiment of the rotation speed control device of the present invention, FIG. 7 is a timing chart of the same as above, and FIG.
. A partially broken side view and FIG. 9 are air pipe diagrams in the same as above. (Explanation of symbols), 1... Hand piece, 2... Head, 7'... Field-Yu axis, 9.10... Glass fiber, 13... Intermittent reflective surface, 16... Light emission Part, 17...
・Light receiving part, 18... Rotation speed detector, 31... Light source,
41...Comparison circuit, 43...Tan-Yu drive unit, 50...
・Pressure control valve.
Claims (1)
スファイバを介して光源から送られる光線を前記断続反
射面に当てる発光部と、前記断続反射面からの反射光を
受光してグラスファイバを介して制御部に送る受光部、
とからなる非接触式の回転数検出器をノ１ンドピースの
ヘッド内に設゛けるとともに、前記回転数検出器により
検出された゛ ロータ回転数と予め設定きれたロータ回
転数とを比較し、両者の差をなくすようＩＦ ’０−タ
駆動部を制御してロータ回転数を設定された値に保つ制
御部を設けた歯科用ハンドピースの回転数制御装置。The tool is attached to an intermittent reflective surface provided on the rotor, a light emitting section that directs the light beam sent from the light source through the glass fiber to the intermittent reflective surface, and a light emitting section that receives the reflected light from the intermittent reflective surface and connects the glass fiber to the intermittent reflective surface. A light receiving unit that sends data to the control unit via the
A non-contact type rotation speed detector consisting of is installed in the head of the node piece, and the rotor rotation speed detected by the rotation speed detector is compared with a preset rotor rotation speed, and both A rotation speed control device for a dental handpiece, which is provided with a control section that controls an IF'0-rotor drive section to eliminate the difference in rotor rotation speed to a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2369785U JPS60149620U (en) | 1985-02-20 | 1985-02-20 | Dental handpiece rotation speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2369785U JPS60149620U (en) | 1985-02-20 | 1985-02-20 | Dental handpiece rotation speed control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149620U true JPS60149620U (en) | 1985-10-04 |
| JPS6122572Y2 JPS6122572Y2 (en) | 1986-07-07 |
Family
ID=30517164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2369785U Granted JPS60149620U (en) | 1985-02-20 | 1985-02-20 | Dental handpiece rotation speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09541A (en) * | 1995-06-16 | 1997-01-07 | Nakanishi:Kk | Preset rotation speed maintenance device for dental handpiece |
| WO2017217405A1 (en) * | 2016-06-14 | 2017-12-21 | 株式会社吉田製作所 | Turbine rotation speed control system for dental turbine handpiece |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033206A (en) * | 1973-06-07 | 1975-03-31 |
-
1985
- 1985-02-20 JP JP2369785U patent/JPS60149620U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033206A (en) * | 1973-06-07 | 1975-03-31 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09541A (en) * | 1995-06-16 | 1997-01-07 | Nakanishi:Kk | Preset rotation speed maintenance device for dental handpiece |
| WO2017217405A1 (en) * | 2016-06-14 | 2017-12-21 | 株式会社吉田製作所 | Turbine rotation speed control system for dental turbine handpiece |
| JP2017221300A (en) * | 2016-06-14 | 2017-12-21 | 株式会社吉田製作所 | Turbine rotation speed control system of dental turbine handpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6122572Y2 (en) | 1986-07-07 |
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