Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LINEAR MOVEMENT GUIDE BEARING DEVICE
Document Type and Number:
Japanese Patent JP2008039193
Kind Code:
A
Abstract:

To provide a linear movement guide bearing device improved in workability, noise characteristic and durability by interposing a separator T having an outer diameter as large as possible at low cost.

In the linear movement guide bearing device including the separator T interposed between adjacent balls of balls K moving along a curved circulating passage 8, in which the balls K are rolled while contacting with concave parts W at both axial ends of the separator T and further with a guide face 8a of an outer guide member 5 and a guide face 8b of an inner guide member 9, the outer diameter dimension of the separator T is set to a maximum outer diameter dimension L or more in a state where the balls K are rolled while simultaneously contacting with both the inner and outer curved faces 8a and 8b of the curved circulating passage 8, and the curvature radius of the guide face 8b of the curved circulating passage 8 is reduced to a size not contacting with the separator T.


Inventors:
KASUGA SHINICHI
SATO RYOICHI
YAMAGUCHI HIROKI
Application Number:
JP2007254466A
Publication Date:
February 21, 2008
Filing Date:
September 28, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NSK LTD
International Classes:
F16C29/06; F16C33/37
Domestic Patent References:
JPH06509628A1994-10-27
JPH10281154A1998-10-20
JPS61152815U1986-09-22
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu



 
Previous Patent: ROLLING BEARING APPARATUS WITH SENSOR

Next Patent: STORAGE DEVICE