JPH0354389U - - Google Patents
Info
- Publication number
- JPH0354389U JPH0354389U JP11202989U JP11202989U JPH0354389U JP H0354389 U JPH0354389 U JP H0354389U JP 11202989 U JP11202989 U JP 11202989U JP 11202989 U JP11202989 U JP 11202989U JP H0354389 U JPH0354389 U JP H0354389U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- torsional
- radial
- generating
- tapered surface
- 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
- 239000002131 composite material Substances 0.000 claims 2
Description
添付図面は本考案に係る超音波モータの一実施
例を示す断面図である。
１……捻じり振動子、２……径方向伸び振動子
、３……連結軸、６，９……圧電素子、７，１０
……駆動用電極板、１１……ロータ、１３……加
圧ばね、１７……合成出力端部、２０……楕円運
動、Ａ……共振体。
The accompanying drawing is a sectional view showing an embodiment of an ultrasonic motor according to the present invention. 1... Torsional vibrator, 2... Radial extension vibrator, 3... Connection shaft, 6, 9... Piezoelectric element, 7, 10
... Drive electrode plate, 11 ... Rotor, 13 ... Pressure spring, 17 ... Synthetic output end, 20 ... Elliptical motion, A ... Resonator.
Claims (1)
定された円筒状の捻じり振動子と、 径方向伸び振動発生用駆動素子を有して前記連
結軸に、前記捻じり振動子の一端面に直接もしく
は前記捻じり振動発生用駆動素子を介して密接す
るよう固定配置され、その共振周波数を前記捻じ
り振動子の共振周波数と同一に設定した円板状の
径方向伸び振動子と、 開口部を前記径方向伸び振動子に対向させて前
記連結軸の前記捻じり振動子とは反対側に回転自
在に配設されたカツプ状のロータと、 このロータの開口端面を前記径方向伸び振動子
の合成出力端部に加圧接触させる加圧ばねとを備
え、 前記合成出力端部をロータ側が捻じり振動子側
より小径となるテーパ面に形成し、前記ロータの
開口端面をこのテーパ面に対応密接するようテー
パ面に形成したことを特徴とする超音波モータ。[Claims for Utility Model Registration] A cylindrical torsional vibrator having a drive element for generating torsional vibration and fixed to the connecting shaft, and a cylindrical torsional vibrator having a driving element for generating radial extensional vibration and fixed to the connecting shaft. , a disk-shaped disk-shaped member fixedly disposed in close contact with one end surface of the torsional vibrator either directly or via the torsional vibration generating drive element, and having a resonant frequency set to be the same as that of the torsional vibrator. a cup-shaped rotor rotatably disposed on the opposite side of the connection shaft from the torsion oscillator with an opening facing the radial extension oscillator; a pressurizing spring that brings an opening end surface of the radial elongation vibrator into pressure contact with a composite output end of the radial elongation vibrator, and the composite output end is formed into a tapered surface such that the rotor side has a smaller diameter than the torsional vibrator side; An ultrasonic motor characterized in that the open end surface of the rotor is formed into a tapered surface so as to closely correspond to the tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11202989U JPH0354389U (en) | 1989-09-27 | 1989-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11202989U JPH0354389U (en) | 1989-09-27 | 1989-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354389U true JPH0354389U (en) | 1991-05-27 |
Family
ID=31660482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11202989U Pending JPH0354389U (en) | 1989-09-27 | 1989-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354389U (en) |
-
1989
- 1989-09-27 JP JP11202989U patent/JPH0354389U/ja active Pending
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