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Title:
LINEAR-MOTION-GUIDING BEARING DEVICE, CONVEYING DEVICE, AND CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/098122
Kind Code:
A1
Abstract:
 A top surface cover (39), which closes a stator (3) gap in proportion to a stroke through which a moving element (4) moves, is made into a magnetic material, the moving element encloses the top surface cover with four inner peripheral sides on the top, bottom, left, and right, and a permanent magnet (10) is arranged on the bottom surface of the inner periphery that faces the top-side surface of the top surface cover.

Inventors:
SATOU, Toshinori (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
Application Number:
JP2014/006499
Publication Date:
July 02, 2015
Filing Date:
December 26, 2014
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
International Classes:
F16C29/08; F16C29/04
Foreign References:
JP2012041972A2012-03-01
JP2008309168A2008-12-25
JP2000179549A2000-06-27
JP2007127281A2007-05-24
JPS62180115A1987-08-07
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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