JPH03111187U - - Google Patents
Info
- Publication number
- JPH03111187U JPH03111187U JP1698890U JP1698890U JPH03111187U JP H03111187 U JPH03111187 U JP H03111187U JP 1698890 U JP1698890 U JP 1698890U JP 1698890 U JP1698890 U JP 1698890U JP H03111187 U JPH03111187 U JP H03111187U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic encoder
- ultrasonic
- rotary magnetic
- servo motor
- rotor
- 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
- 230000005405 multipole Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Description
第１図は本考案の第１実施例としての超音波サ
ーボモータの縦断面図、第２図は同超音波サーボ
モータの一部切欠斜視図、第３図は本考案の第２
実施例としての超音波サーボモータの縦断面図、
第４図は同超音波サーボモータの一部切欠斜視図
である。
符号の説明、１，１′……超音波サーボモータ
、２……固定体、３……カツプ型ケーシング、４
……超音波サーボモータ本体、５……リング状突
起、６……ベアリングハウス、７……ベアリング
、８……回転軸、９……振動吸収体、１０……電
歪素子、１１……弾性振動子、１１ａ……凹部、
１ｂ……内周部、１１ｃ……外周部、１２……ベ
アリングハウス、１３……ベアリング、１４……
円板状ロータ、１５……円環状突起、１６，１７
……樹脂、１８……金属円板、１９……板バネ、
２０，２０′……粘弾力体、２１，２１′……ロ
ータリ磁気エンコーダ、２２，２２′……ロータ
リ磁気エンコーダ用多極着磁ロータ、２３，２３
′……磁気抵抗素子支持板、２４，２４′……磁
気抵抗素子。
Fig. 1 is a longitudinal sectional view of an ultrasonic servo motor as a first embodiment of the present invention, Fig. 2 is a partially cutaway perspective view of the ultrasonic servo motor, and Fig. 3 is a second embodiment of the ultrasonic servo motor of the present invention.
A vertical cross-sectional view of an ultrasonic servo motor as an example,
FIG. 4 is a partially cutaway perspective view of the same ultrasonic servo motor. Explanation of symbols, 1, 1'...Ultrasonic servo motor, 2...Fixed body, 3...Cup type casing, 4
... Ultrasonic servo motor body, 5 ... Ring-shaped projection, 6 ... Bearing house, 7 ... Bearing, 8 ... Rotating shaft, 9 ... Vibration absorber, 10 ... Electrostrictive element, 11 ... Elasticity Vibrator, 11a... recess,
1b...Inner peripheral part, 11c...Outer peripheral part, 12...Bearing house, 13...Bearing, 14...
Disc-shaped rotor, 15... Annular projection, 16, 17
... Resin, 18 ... Metal disc, 19 ... Leaf spring,
20, 20'... Viscoelastic body, 21, 21'... Rotary magnetic encoder, 22, 22'... Multipolar magnetized rotor for rotary magnetic encoder, 23, 23
'... Magnetoresistive element support plate, 24, 24'... Magnetoresistive element.
Claims (1)
した超音波モータに於いて、ロータに粘弾力体を
介してＮ極、Ｓ極の磁極を微細ピツチで多極着磁
したロータリ磁気エンコーダ用多極着磁ロータを
付設し、該ロータリ磁気エンコーダ用多極着磁ロ
ータと対向して磁気センサを固定側に配設してロ
ータリ磁気エンコーダを形成してなる、超音波サ
ーボモータ。 In ultrasonic motors that use ultrasonic vibrations to obtain rotational torque, a rotary magnetic encoder is used in which the rotor is magnetized with N and S poles at a fine pitch through a viscoelastic body. An ultrasonic servo motor comprising a polar magnetized rotor and a magnetic sensor disposed on a fixed side facing the multi-pole magnetized rotor for rotary magnetic encoder to form a rotary magnetic encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1698890U JPH03111187U (en) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1698890U JPH03111187U (en) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111187U true JPH03111187U (en) | 1991-11-14 |
Family
ID=31520226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1698890U Pending JPH03111187U (en) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111187U (en) |
-
1990
- 1990-02-22 JP JP1698890U patent/JPH03111187U/ja active Pending