JPS63113491U - - Google Patents
Info
- Publication number
- JPS63113491U JPS63113491U JP314887U JP314887U JPS63113491U JP S63113491 U JPS63113491 U JP S63113491U JP 314887 U JP314887 U JP 314887U JP 314887 U JP314887 U JP 314887U JP S63113491 U JPS63113491 U JP S63113491U
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- piezoelectric elements
- motor
- ultrasonic motor
- elliptical vibration
- 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
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図Ａ〜Ｃは、本考案の超音波モータの第１
実施例の要部を示す平面図、正面図および斜視図
、第２図Ａ，Ｂは、本考案の超音波モータの第２
実施例の要部を示す平面図および断面図、第３図
Ａ〜Ｃは、それぞれ位置決め部を有する圧電素子
の各種形状を示した斜視図、第４図Ａ，Ｂは、本
考案の超音波モータを中空モータとして構成した
具体例の断面図および分解斜視図、第５図〜第７
図は、それぞれ超音波モータの駆動原理を示す説
明図である。
１，１１，２１，３１，４１，５１，９１……
圧電素子、１ａ，３１ａ，４１ｂ……切欠部（位
置決め部）、１１ａ，４１ａ……孔（位置決め部
）、２１ａ……突起部（位置決め部）、２，１２
，２２，３２，４２，５２，９２……弾性体、３
，１３，５３，９３……振動子、５４……ロータ
（動体）、９４……動体。
Figures 1A to 1C show the first ultrasonic motor of the present invention.
A plan view, a front view, and a perspective view showing the main parts of the embodiment, and FIGS.
3A to 3C are perspective views showing various shapes of piezoelectric elements each having a positioning portion, and FIGS. Cross-sectional view and exploded perspective view of a specific example in which the motor is configured as a hollow motor, Figures 5 to 7
Each figure is an explanatory diagram showing the driving principle of the ultrasonic motor. 1, 11, 21, 31, 41, 51, 91...
Piezoelectric element, 1a, 31a, 41b...notch (positioning part), 11a, 41a...hole (positioning part), 21a...protrusion (positioning part), 2, 12
, 22, 32, 42, 52, 92... elastic body, 3
, 13, 53, 93... vibrator, 54... rotor (moving body), 94... moving body.
Claims (1)
圧を印加することにより上記弾性体の表面に楕円
振動を発生させ、この楕円振動により上記弾性体
の表面に摩擦接触させた動体を駆動する超音波モ
ータにおいて、 上記複数個の圧電素子に、上記弾性体へ固着す
るときの配置位置および分極方向を決定するため
の位置決め部を設けたことを特徴とする超音波モ
ータ。[Claims for Utility Model Registration] By applying an alternating current voltage to a plurality of piezoelectric elements fixed to an elastic body, elliptical vibration is generated on the surface of the elastic body, and this elliptical vibration causes friction on the surface of the elastic body. An ultrasonic motor for driving a moving object brought into contact with an ultrasonic motor, characterized in that the plurality of piezoelectric elements are provided with a positioning part for determining the arrangement position and polarization direction when fixed to the elastic body. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP314887U JPS63113491U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP314887U JPS63113491U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63113491U true JPS63113491U (en) | 1988-07-21 |
Family
ID=30782644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP314887U Pending JPS63113491U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63113491U (en) |
-
1987
- 1987-01-13 JP JP314887U patent/JPS63113491U/ja active Pending