Title:
振動発生装置及び電子機器
Document Type and Number:
Japanese Patent JP7109948
Kind Code:
B2
Abstract:
To provide a vibration generation device which achieves small current consumption and low noise, enables stable operation in a low temperature environment, and achieves long life, and to provide an electronic device.SOLUTION: A vibration generation device includes: a rotor 3 which is provided so as to be rotatable around a rotation axis C and has at least a heavy bob 34 having a centroid which is eccentric to the rotation axis C and a bearing part 31 formed by a ball bearing having an inner ring 31A and an outer ring 31B; a shaft 41 inserted into a through hole 31c formed at the inner ring 31A of the bearing part 31 and rotatably supporting the rotor 3; and a restriction part 5 which is disposed at the inner side of the heavy bob 34 in a radial direction R and restricts movement of the rotor 3 in an axial direction Z.SELECTED DRAWING: Figure 2
Inventors:
Akihiro Iino
Takayuki Satodate
Takayuki Satodate
Application Number:
JP2018051622A
Publication Date:
August 01, 2022
Filing Date:
March 19, 2018
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
B06B1/16; B06B1/04
Domestic Patent References:
| JP2009219349A | ||||
| JP4137463U | ||||
| JP3060358A | ||||
| JP2016032423A | ||||
| JP2006200733A | ||||
| JP2012017736A | ||||
| JP6265648A | ||||
| JP2005045868A |
Attorney, Agent or Firm:
田▲崎▼ 聡
Suzuki Shingo
Kazuzumi Nishizawa
Suzuki Shingo
Kazuzumi Nishizawa