Title:
圧電駆動装置及びロボット
Document Type and Number:
Japanese Patent JP6485118
Kind Code:
B2
Abstract:
A piezoelectric drive device (11, 11A, 11B) includes multiple piezoelectric drive units (10) that each have a contact portion (20) which can come into contact with a driven portion (50), and that each have a piezoelectric substance (140). The number of the multiple piezoelectric drive units (10) is 10 or more, an overall output from the multiple piezoelectric drive units (10) is 0.3 W or greater, and a weight of each of the piezoelectric drive units (10) is 1 µg to 5 g.
Inventors:
Osamu Miyazawa
Application Number:
JP2015041957A
Publication Date:
March 20, 2019
Filing Date:
March 04, 2015
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
H02N2/04; B25J19/00
Domestic Patent References:
| JP2005176412A | ||||
| JP2002020878A |
Foreign References:
| GB2381376A |
Attorney, Agent or Firm:
Meisei International Patent Office