JP2016082835A5 - - Google Patents
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- JP2016082835A5 JP2016082835A5 JP2014215214A JP2014215214A JP2016082835A5 JP 2016082835 A5 JP2016082835 A5 JP 2016082835A5 JP 2014215214 A JP2014215214 A JP 2014215214A JP 2014215214 A JP2014215214 A JP 2014215214A JP 2016082835 A5 JP2016082835 A5 JP 2016082835A5
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- Prior art keywords
- unit
- piezoelectric
- state
- driven
- driving
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- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000005057 finger movement Effects 0.000 claims 1
Claims (9)
前記駆動部と接触可能な被駆動部と、
前記駆動部と接触可能な可動部と、を備え、
前記可動部は、
第１の状態と第２の状態とを有し、
前記第１の状態における前記駆動部から前記被駆動部への押圧力は、前記第２の状態における前記駆動部から前記被駆動部への押圧力よりも小さい、
圧電駆動装置。 A drive unit having a piezoelectric body;
A driven part that can contact the driving part;
A movable part that can come into contact with the drive part,
The movable part is
Having a first state and a second state;
The pressing force from the driving unit to the driven unit in the first state is smaller than the pressing force from the driving unit to the driven unit in the second state.
Piezoelectric drive device.
前記駆動部を前記被駆動部に押圧する押圧部を備える、 A pressing unit that presses the driving unit against the driven unit;
圧電駆動装置。 Piezoelectric drive device.
前記可動部は、前記第１の状態では、前記駆動部と前記被駆動部とを、離間させる、圧電駆動装置。 In the piezoelectric drive device according to claim 1 or 2 ,
In the first state, the movable portion separates the driving portion and the driven portion from each other.
前記可動部は、
外力を受け付ける入力部を有し、
前記外力を受けて、前記第１の状態と前記第２の状態との間を遷移可能である、圧電駆動装置。 In the piezoelectric drive device according to any one of claims 1 to 3 ,
The movable part is
An input unit for receiving external force;
A piezoelectric driving device capable of transitioning between the first state and the second state in response to the external force.
前記圧電体に電力が印加されていない場合であって、前記可動部が前記第２の状態の時には、前記駆動部と前記被駆動部とは、接触している、圧電駆動装置。 In the piezoelectric drive device according to any one of claims 1 to 4 ,
The piezoelectric driving device, wherein no electric power is applied to the piezoelectric body, and the driving unit and the driven unit are in contact with each other when the movable unit is in the second state.
前記可動部は、偏心体またはスライド部材のいずれかである、圧電駆動装置。 In the piezoelectric drive device according to any one of claims 1 to 5 ,
The movable unit is a piezoelectric drive device that is either an eccentric body or a slide member.
前記圧電駆動装置により回動され、円形状を有する第１被駆動体と、
前記第１被駆動体の回動を減速する減速機と、
前記減速機に接続され、指の運動をアシストする第２被駆動体と、
を備える、指アシスト装置。 The piezoelectric driving device according to any one of claims 1 to 6 ,
A first driven body that is rotated by the piezoelectric driving device and has a circular shape;
A decelerator that decelerates the rotation of the first driven body;
A second driven body connected to the speed reducer and assisting finger movement;
A finger assist device.
エンコーダーを備える、指アシスト装置。 The finger assist device according to claim 7 , wherein
A finger assist device including an encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014215214A JP2016082835A (en) | 2014-10-22 | 2014-10-22 | Piezoelectric drive device, finger assist device and robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014215214A JP2016082835A (en) | 2014-10-22 | 2014-10-22 | Piezoelectric drive device, finger assist device and robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016082835A JP2016082835A (en) | 2016-05-16 |
| JP2016082835A5 true JP2016082835A5 (en) | 2017-09-14 |
Family
ID=55959406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014215214A Withdrawn JP2016082835A (en) | 2014-10-22 | 2014-10-22 | Piezoelectric drive device, finger assist device and robot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2016082835A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018001281A (en) | 2016-06-27 | 2018-01-11 | 株式会社デンソーウェーブ | Robot hand |
| EP3537594A1 (en) * | 2018-03-09 | 2019-09-11 | ETA SA Manufacture Horlogère Suisse | Rotary piezoelectric motor with radial pre-stressing |
| CN112917502A (en) * | 2021-01-22 | 2021-06-08 | 哈尔滨工业大学 | Piezoelectric finger and excitation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3614111B2 (en) * | 2001-02-28 | 2005-01-26 | セイコーエプソン株式会社 | Piezoelectric actuator, timepiece, portable device, and adjustment method for adjusting pressing force in piezoelectric actuator |
| JP2004260990A (en) * | 2003-02-06 | 2004-09-16 | Seiko Epson Corp | Driver and operation unit |
| JP2006094602A (en) * | 2004-09-22 | 2006-04-06 | Nsk Ltd | Preload removing device for ultrasonic motor |
| JP2006280150A (en) * | 2005-03-30 | 2006-10-12 | Nsk Ltd | Driving device with ultrasonic motor |
| JP2012120266A (en) * | 2010-11-29 | 2012-06-21 | Taiheiyo Cement Corp | Ultrasonic motor, and apparatus and method for controlling the same |
| JP5998980B2 (en) * | 2013-02-22 | 2016-09-28 | セイコーエプソン株式会社 | Piezoelectric motor, robot hand, robot, electronic component transport device, electronic component inspection device, liquid feed pump, printing device, electronic watch, projection device, transport device |
| JP2014184027A (en) * | 2013-03-25 | 2014-10-02 | Seiko Epson Corp | Finger assist device |
-
2014
- 2014-10-22 JP JP2014215214A patent/JP2016082835A/en not_active Withdrawn
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