Title:
ACTUATOR, MANIPULATOR, TRANSFER DEVICE, AND MECHANICAL DEVICE
Document Type and Number:
Japanese Patent JP2016118285
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an actuator which easily changes a range of the displacement magnitude of a shaft member.SOLUTION: An actuator 1 includes: a shaft member 10; a first rolling bearing part 61 supporting the shaft member 10; a second rolling bearing part 62 which has rigidity different from that of the first rolling bearing part 61 and is located adjacent to the first rolling bearing part 61 through an inner ring spacer 51 in an axial direction of the shaft member 10; and an outer ring drive member 40 which displaces an outer ring 32 of the second rolling bearing part 62 in a direction such that the outer ring 32 moves close to or away from an outer ring 22 of the first rolling bearing part 61.SELECTED DRAWING: Figure 1
Inventors:
TAGUCHI TOSHIBUMI
NAKAMURA TAKESHI
NAKAMURA TAKESHI
Application Number:
JP2014259771A
Publication Date:
June 30, 2016
Filing Date:
December 24, 2014
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C23/08; F16C19/16; F16C19/54; H01L41/09
Domestic Patent References:
| JP2006189129A | 2006-07-20 | |||
| JP2006307912A | 2006-11-09 | |||
| JP2013240875A | 2013-12-05 | |||
| JPH05248431A | 1993-09-24 | |||
| JP2008019943A | 2008-01-31 |
Attorney, Agent or Firm:
Hiroaki Sakai