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Title:
HOLLOW TRACK BODY AND ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2015/098454
Kind Code:
A1
Abstract:
A hollow track body (21) comprises a plurality of rolling element travel sections (22) formed along the axial direction on the outer surface of a hollow shaft, and is supported by support bodies (31) via multiple rolling elements (40) capable of rolling along the plurality of rolling element travel sections (22). A rack tooth row (25) is formed in the axial direction by arc-shaped sections (21a, 21b) formed between the plurality of rolling element travel sections (22), the tooth base of said rack tooth row (25) penetrating into a hollow portion (21h) of the central shaft.

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Inventors:
KISHI HIROYUKI (JP)
SUZUKI NORITAKA (JP)
WATANABE ERIKO (JP)
Application Number:
PCT/JP2014/082123
Publication Date:
July 02, 2015
Filing Date:
December 04, 2014
Export Citation:
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Assignee:
THK CO LTD (JP)
International Classes:
F16C29/06; F16H55/26
Foreign References:
JPS58137616A1983-08-16
JP2012154390A2012-08-16
JP2000052171A2000-02-22
JPS6146278U1986-03-27
JPH0618727U1994-03-11
JP2005288449A2005-10-20
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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