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Patent Searching and Data


Title:
ROLLING GUIDANCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/178382
Kind Code:
A1
Abstract:
This rolling guidance device prevents breakage of a spacer, makes it possible for a ball to circulate smoothly on an endless circulation path, and is provided with: a track member (1); a moving member (2) that has an endless circulation passage that comprises a load passage on which a ball rolls while bearing a load, a non-load passage (21) that is provided parallel to the load passage, and a direction switching path (22) that connects the load passage and the non-load passage; and a spacer that is arranged between balls that are adjacent to each other. The moving member is provided with: a moving member main body (3) that constitutes the load passage and the non-load passage; a pair of plate sections (7) that are joined to both end surfaces of the moving member main body in the axial direction thereof and that comprise an inner peripheral guide surface of the direction switching path; a pair of passage introduction sections (8) that are formed integrally with each of the plate sections and that comprise a through hole that is continuous with the inner peripheral guide surface; a covering section (5) that constitutes the non-load passage in cooperation with the moving member main body; and a lid section (6) that comprises an outer peripheral guide surface of the direction switching path.

Inventors:
KISHI Hiroyuki
WATANABE Eriko
Application Number:
JP2015/064349
Publication Date:
November 26, 2015
Filing Date:
May 19, 2015
Export Citation:
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Assignee:
THK CO., LTD. (11-6, Nishigotanda 3-chome Shinagawa-k, Tokyo 03, 〒1418503, JP)
International Classes:
F16C29/06
Foreign References:
JP2000337372A2000-12-05
JPH11247854A1999-09-14
JP2013245721A2013-12-09
JPH07208465A1995-08-11
JP2000035040A2000-02-02
Attorney, Agent or Firm:
IDE Tetsuroh et al. (79-402, Ohtamachi 6-chome Naka-ku, Yokohama-sh, Kanagawa 11, 〒2310011, JP)
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