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Patent Searching and Data


Title:
LINEAR MOTION GUIDE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/151478
Kind Code:
A1
Abstract:
Provided is a linear motion guide device which has a low noise level and operates satisfactorily. A groove (36) in a return guide (35) and a raceway groove (11) in a slider (2) are not smoothly continuous with each other at the connection portion where the groove (36) and the raceway groove (11) are connected, and a step (44) is formed at the connection portion. At and near the bottom (11a) of the raceway groove (11) in the slider (2), the surface of the raceway groove (11) in the slider (2) is located closer to the center of curvature (O) of the raceway groove (11) in the slider (2) than the surface of the groove (36) in the return guide (35). At and near a shoulder (11b) of the raceway groove (11) in the slider (2), the surface of the groove (36) in the return guide (35) is located closer to the center of curvature (O) of the raceway groove (11) in the slider (2) than the surface of the raceway groove (11) in the slider (2).

Inventors:
MATSUMOTO, Jun (12 Kirihara-cho, Fujisawa-sh, Kanagawa 11, 〒2520811, JP)
Application Number:
JP2015/001740
Publication Date:
October 08, 2015
Filing Date:
March 26, 2015
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
International Classes:
F16C29/06
Foreign References:
JP2006250166A2006-09-21
JP2005273765A2005-10-06
JP2007170558A2007-07-05
JP2002155936A2002-05-31
Other References:
See also references of EP 3115633A4
Attorney, Agent or Firm:
MORI, Tetsuya et al. (NICHIEI Patent and Trademark Attorneys, Shiroyama Trust Tower 32F 3-1, Toranomon 4-chome, Minato-k, Tokyo 32, 〒1056032, JP)
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