JPH03104095U - - Google Patents
Info
- Publication number
- JPH03104095U JPH03104095U JP1990013022U JP1302290U JPH03104095U JP H03104095 U JPH03104095 U JP H03104095U JP 1990013022 U JP1990013022 U JP 1990013022U JP 1302290 U JP1302290 U JP 1302290U JP H03104095 U JPH03104095 U JP H03104095U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- stator
- rotor
- piezoelectric element
- ultrasonic motor
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の第１実施例を示す説明図、第
２図は同実施例の超音波モータの構成断面図、第
３図は本考案の第２実施例を示す説明図である。
１……圧電素子、２……ステータ、３……台材
、４……ロータ、４ａ……歯車、５……シヤフト
、６……皿バネ、７……歯車、８……出力軸、９
……ロータ、１０……シヤフト、１０ａ……歯車
。
FIG. 1 is an explanatory diagram showing a first embodiment of the present invention, FIG. 2 is a sectional view of the configuration of an ultrasonic motor of the same embodiment, and FIG. 3 is an explanatory diagram showing a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Piezoelectric element, 2... Stator, 3... Base material, 4... Rotor, 4a... Gear, 5... Shaft, 6... Belleville spring, 7... Gear, 8... Output shaft, 9
...rotor, 10...shaft, 10a...gear.
Claims (1)
、それぞれの圧電素子に位相の異なる高周波電圧
を印加してステータの表面に進行波を生じさせ、
ステータに圧接したロータを駆動する超音波モー
タにおいて、ロータの外周に歯溝を設けてロータ
外周部を歯車に形成し、直接この歯車を被駆動部
材の歯車に噛み合わせ可能にしたことを特徴とす
る超音波モータ。 (2) ステータに設けた圧電素子を２つに区分し
、それぞれの圧電素子に位相の異なる高周波電圧
を印加してステータの表面に進行波を生じさせ、
ステータに圧接したロータを出力シヤフトと一体
に駆動する超音波モータにおいて、シヤフトの外
周に歯溝を設けてシヤフト外周部を歯車に形成し
、直接この歯車を被駆動部材の歯車に噛み合わせ
可能にしたことを特徴とする超音波モータ。[Claims for Utility Model Registration] (1) A piezoelectric element provided on the stator is divided into two, and a high frequency voltage with a different phase is applied to each piezoelectric element to generate a traveling wave on the surface of the stator,
An ultrasonic motor that drives a rotor that is in pressure contact with a stator is characterized in that tooth grooves are provided on the outer periphery of the rotor to form a gear on the outer periphery of the rotor, and this gear can be directly engaged with a gear on a driven member. ultrasonic motor. (2) Divide the piezoelectric element provided in the stator into two, apply high-frequency voltages with different phases to each piezoelectric element, and generate traveling waves on the surface of the stator.
In an ultrasonic motor that drives a rotor pressed against a stator together with an output shaft, a tooth groove is provided on the outer circumference of the shaft to form a gear on the outer circumference of the shaft, and this gear can be directly engaged with a gear on a driven member. An ultrasonic motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013022U JPH03104095U (en) | 1990-02-13 | 1990-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013022U JPH03104095U (en) | 1990-02-13 | 1990-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104095U true JPH03104095U (en) | 1991-10-29 |
Family
ID=31516463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990013022U Pending JPH03104095U (en) | 1990-02-13 | 1990-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001161084A (en) * | 1999-09-21 | 2001-06-12 | Seiko Instruments Inc | Direct-acting mechanism using ultrasonic motor and electronic device therewith |
-
1990
- 1990-02-13 JP JP1990013022U patent/JPH03104095U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001161084A (en) * | 1999-09-21 | 2001-06-12 | Seiko Instruments Inc | Direct-acting mechanism using ultrasonic motor and electronic device therewith |
| JP4657429B2 (en) * | 1999-09-21 | 2011-03-23 | セイコーインスツル株式会社 | Linear motion mechanism using ultrasonic motor, swing mechanism and electronic equipment using them |
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