Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2001/029450
Kind Code:
A1
Abstract:
An actuator, comprising a guide mechanism (20) having first guide rails (40a, 40b) arc-shaped in cross-section and installed in first elongated grooves (38a, 38b) arc-shaped in cross-section and formed in the inner wall surface of a frame (12) and second guide rails (46a, 46b) arc-shaped in cross-section and installed in second elongated grooves (44a, 44b) arc-shaped in cross-section and formed in the side surface of a slider (18) opposed to the inner wall surface of the frame (12), whereby the degree of freedom for disposing a ball rolling hole in the slider (18) can be increased and a stress concentration provided by external force can be relieved.
Inventors:
NAGAI SHIGEKAZU (JP)
SAITOH AKIO (JP)
SAITOH MASARU (JP)
SAITOH AKIO (JP)
SAITOH MASARU (JP)
Application Number:
PCT/JP2000/007185
Publication Date:
April 26, 2001
Filing Date:
October 17, 2000
Export Citation:
Assignee:
SMC KK (JP)
NAGAI SHIGEKAZU (JP)
SAITOH AKIO (JP)
SAITOH MASARU (JP)
NAGAI SHIGEKAZU (JP)
SAITOH AKIO (JP)
SAITOH MASARU (JP)
International Classes:
F16C29/00; F16C29/04; F16H25/20; F16C29/06; F16H25/24; (IPC1-7): F16H25/20; F16C29/04
Foreign References:
| JPH08130849A | 1996-05-21 | |||
| GB2142098A | 1985-01-09 | |||
| JPH08219153A | 1996-08-27 | |||
| US4878390A | 1989-11-07 | |||
| JPH0538091A | 1993-02-12 | |||
| JPH11280866A | 1999-10-15 | |||
| JPH05180297A | 1993-07-20 |
Other References:
None
See also references of EP 1143168A4
See also references of EP 1143168A4
Attorney, Agent or Firm:
Chiba, Yoshihiro (Yoyogi 2-chome Shibuya-ku, Tokyo, JP)
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