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Patent Searching and Data


Title:
ROLLING GUIDE DEVICE
Document Type and Number:
Japanese Patent JP2013092235
Kind Code:
A
Abstract:

To provide a rolling guide device capable of highly accurately guiding a moving body being a carrying object, by effectively restraining waving caused in a moving block caused as a rolling element goes in and out of a load passage.

This rolling guide device includes a track rail formed with a plurality of rolling surfaces of the rolling elements along the longitudinal direction, and the moving block having a plurality of load rolling surfaces for constituting the load passages of the rolling elements by opposing to the rolling surfaces, and each of the load rolling surfaces havs a pair of crowning areas arranged on both ends in its longitudinal direction and an effective load area positioned between the crowning areas. The moving block includes at least two kinds of the load rolling travel surfaces different in boundary positions between the crowning area and the effective load area.


Inventors:
FURUSAWA RYUJI
KISHI HIROYUKI
KIN TAKEYOSHI
OKUMURA TATSUYA
Application Number:
JP2011235944A
Publication Date:
May 16, 2013
Filing Date:
October 27, 2011
Export Citation:
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Assignee:
THK CO LTD
International Classes:
F16C29/06
Domestic Patent References:
JP2000120674A2000-04-25
JPS60121526U1985-08-16
JPH102332A1998-01-06
JP2001140878A2001-05-22
Attorney, Agent or Firm:
Tetsuro Ide
Katsuo Naruse
Tomohiro Nakamura