Title:
ROTATION-LINEAR MOTION CONVERSION DEVICE
Document Type and Number:
Japanese Patent JP2019213255
Kind Code:
A
Abstract:
To provide a rotation-linear motion conversion device capable of attaining downsizing.SOLUTION: A rotation-linear motion conversion device comprises: a drive part including a vibration part which is vibrated by a piezoelectric body, and a convex part which is connected to the vibration part; a housing; a rotation member which includes a first screw part and a driven surface in contact with the convex part and receiving drive power of the drive part, and is rotated around an axial center with respect to the housing; a linear motion member including a second screw part threaded with the first screw part; and a regulation part which is disposed in the housing and regulates rotation of the linear motion member.SELECTED DRAWING: Figure 1
Inventors:
ARAKAWA YUTAKA
IWASAKI TOMOHISA
IWASAKI TOMOHISA
Application Number:
JP2018104423A
Publication Date:
December 12, 2019
Filing Date:
May 31, 2018
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H02K7/06; F16H25/20; F16H25/22; H02N2/12
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Foreign References:
| US5053670A | 1991-10-01 |
Attorney, Agent or Firm:
Kazuaki Watanabe
Mitsuhiro Isobe
Satoshi Nakai
Hiroki Matsuoka
Mitsuhiro Isobe
Satoshi Nakai
Hiroki Matsuoka