Title:
LINEAR MOTION DEVICE
Document Type and Number:
Japanese Patent JP2003239967
Kind Code:
A
Abstract:
To provide an inexpensive linear motion device which speedily completes initial concordance by running-in in a short time of period and prevents a rolling body from being damaged.
In a linear guide 20 in which a slider 24 performs relative movement for a guide rail 22 through the rolling body 10 rolling and circulating in an infinite circulation circuit 30, a part of the rolling body 10 is made of a rolling body 10H having high hardness, and a separator 12 is provided between the rolling body 10H having high hardness and a rolling body 10S adjacent to it to constitute the linear guide 20.
Inventors:
MATSUMOTO ATSUSHI
OCHIAI SHIGEYUKI
MATSUDA YASUYUKI
MOMONO TATSUNOBU
ARAMAKI HIROTOSHI
OCHIAI SHIGEYUKI
MATSUDA YASUYUKI
MOMONO TATSUNOBU
ARAMAKI HIROTOSHI
Application Number:
JP2002043312A
Publication Date:
August 27, 2003
Filing Date:
February 20, 2002
Export Citation:
Assignee:
NSK LTD
International Classes:
F16H25/20; F16C29/06; F16C33/32; F16C33/37; F16C33/372; (IPC1-7): F16C29/06; F16C33/32; F16C33/372; F16H25/20
Domestic Patent References:
| JP2001082470A | 2001-03-27 | |||
| JP2001124172A | 2001-05-08 | |||
| JPH01180015U | 1989-12-25 | |||
| JP2000220636A | 2000-08-08 |
Attorney, Agent or Firm:
Tetsuya Mori (2 others)