JPH0360889U - - Google Patents
Info
- Publication number
- JPH0360889U JPH0360889U JP1989116695U JP11669589U JPH0360889U JP H0360889 U JPH0360889 U JP H0360889U JP 1989116695 U JP1989116695 U JP 1989116695U JP 11669589 U JP11669589 U JP 11669589U JP H0360889 U JPH0360889 U JP H0360889U
- Authority
- JP
- Japan
- Prior art keywords
- shaft member
- vibrating body
- fixed
- ultrasonic motor
- relative
- 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
Description
第１図は本考案の第１実施例における超音波モ
ータの分解斜視図、第２図は上記超音波モータの
断面図、第３図は上記超音波モータの部分斜視図
、第４図は軸部材の変形例を示す部分斜視図、第
５図は本考案の第２実施例における超音波モータ
の部分拡大図、第６図は上記超音波モータの固定
部材の斜視図、第７図は本考案の第３実施例にお
ける超音波モータの部分拡大図、である。
１……振動体、４……圧電素子、６……ボルト
（軸部材）、７……ロータ（移動体）、９……ね
じ部材（固定部材）、１０……皿ばね（付勢部材
）、１２……固定部材、１３……固定クリツプ（
固定部材）。
Fig. 1 is an exploded perspective view of the ultrasonic motor in the first embodiment of the present invention, Fig. 2 is a sectional view of the ultrasonic motor, Fig. 3 is a partial perspective view of the ultrasonic motor, and Fig. 4 is the shaft. FIG. 5 is a partially enlarged view of the ultrasonic motor in the second embodiment of the present invention, FIG. 6 is a perspective view of the fixing member of the ultrasonic motor, and FIG. 7 is a partial perspective view showing a modification of the member. FIG. 7 is a partially enlarged view of an ultrasonic motor in a third embodiment of the invention. 1... Vibrating body, 4... Piezoelectric element, 6... Bolt (shaft member), 7... Rotor (moving body), 9... Screw member (fixing member), 10... Belleville spring (biasing member) , 12...Fixing member, 13...Fixing clip (
fixed member).
Claims (1)
、該振動体の表面に超音波振動を発生させ、該表
面に押圧した移動体を回転駆動する超音波モータ
において、 上記移動体を上記振動体に対して回転自在に軸
支する軸部材と、 上記移動体を上記振動体の表面に押圧する付勢
部材と、 上記軸部材の軸方向に移動して上記押圧力の調
整を行い、かつ上記軸部材に弾性変形もしくは塑
性変形して固定されることにより上記押圧力の保
持を行う、上記軸部材に対する移動時と固定時と
で質量が変化しない固定部材と、 を具備することを特徴とする超音波モータ。[Claims for Utility Model Registration] In an ultrasonic motor that applies an alternating current voltage to a piezoelectric element fixed to a vibrating body, generates ultrasonic vibrations on the surface of the vibrating body, and rotationally drives a moving body pressed against the surface. a shaft member that rotatably supports the movable body relative to the vibrating body; a biasing member that presses the movable body against a surface of the vibrating body; and a biasing member that moves in the axial direction of the shaft member to press the a fixing member that maintains the pressing force by adjusting the pressure and being fixed to the shaft member through elastic deformation or plastic deformation, and whose mass does not change when moving relative to the shaft member and when fixed; An ultrasonic motor comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989116695U JP2521921Y2 (en) | 1989-10-04 | 1989-10-04 | Ultrasonic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989116695U JP2521921Y2 (en) | 1989-10-04 | 1989-10-04 | Ultrasonic motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0360889U true JPH0360889U (en) | 1991-06-14 |
| JP2521921Y2 JP2521921Y2 (en) | 1997-01-08 |
Family
ID=31664963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989116695U Expired - Lifetime JP2521921Y2 (en) | 1989-10-04 | 1989-10-04 | Ultrasonic motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521921Y2 (en) |
-
1989
- 1989-10-04 JP JP1989116695U patent/JP2521921Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521921Y2 (en) | 1997-01-08 |