Title:
NUT FOR BALL SCREW AND TURNING DEVICE
Document Type and Number:
Japanese Patent JP2017180543
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a nut for a ball screw having excellent workability.SOLUTION: A nut 501 for a ball screw includes: an inside member 511 on an inner peripheral surface of which a spiral groove 523 corresponding to a spiral groove of a moving object shaft is formed, and on an outer peripheral surface of which formed is a part of a circulation hole 514 for circulating a rollable ball rolling in a rolling passage formed by the spiral grooves; and an outside member 512 that is externally fitted to the inside member 511, and on an inner peripheral surface of which another part of the circulation hole 514 is formed.SELECTED DRAWING: Figure 5
Inventors:
ITO RYOTA
Application Number:
JP2016064677A
Publication Date:
October 05, 2017
Filing Date:
March 28, 2016
Export Citation:
Assignee:
SHOWA CORP
International Classes:
F16H25/22; B62D5/04; F16H19/04; F16H25/24
Domestic Patent References:
| JP2015132308A | 2015-07-23 | |||
| JP2015105710A | 2015-06-08 | |||
| JP2014034268A | 2014-02-24 | |||
| JP2002276764A | 2002-09-25 | |||
| JP2009103201A | 2009-05-14 | |||
| JP2006069517A | 2006-03-16 | |||
| JP2014152903A | 2014-08-25 |
Foreign References:
| WO2007063696A1 | 2007-06-07 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark