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Patent Searching and Data


Title:
ROLLING GUIDANCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/083667
Kind Code:
A1
Abstract:
A rolling guidance device, capable of achieving smooth movement of a rolling body in an endless circulation passage by preventing an occurrence of a difference in level in the endless circulation passage, comprises a trajectory member (2), and a moving member (3) that has a plurality of endless circulation passages that contain an inner direction changing passage (60-1) and an outer direction changing passage (60-2) that mutually intersect. The moving member (3) comprises a body member (4) that has an outer circumferential guiding face (60b) for the inner direction changing passage (60-1), an intermediate member (9) that constitutes, together with the body member (4), the inner direction changing passage (60-1), and a covering body (5) that is anchored to both end faces of the body member (4) in the direction of motion and that constitutes, together with the intermediate member, the outer direction changing passage (60-2). A positioning mechanism that fits without a gap between a concave portion and a convex portion is provided between the covering body (5) and the body member (4), and an error absorbing mechanism that fits with a gap between a concave portion and a convex portion is provided between the body member (4) and the intermediate member (9) and between the covering body (5) and the intermediate member (9).

Inventors:
WADA Mitsumasa
Application Number:
JP2014/081748
Publication Date:
June 11, 2015
Filing Date:
December 01, 2014
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:
JP2002054633A2002-02-20
JP2005155854A2005-06-16
JP2012154438A2012-08-16
JP2007100951A2007-04-19
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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