Title:
ROTATION AND EXTENSION/RETRACTION LINK MECHANISM
Document Type and Number:
WIPO Patent Application WO/2005/059407
Kind Code:
A1
Abstract:
A rotation and extension/retraction link mechanism realizing a rotation joint having imaginary rotation axes. A rotation and extension/retraction link mechanism (1) is constructed such that a first link (5) having a first imaginary center line (3) and a second link (9) having a second imaginary center line (7) are connected through a rotation and extension/retraction joint mechanism (11). The rotation and extension/retraction joint mechanism (11) is constructed by connecting the first and second links (5, 9) such that, when the second imaginary center line (7) rotates relative to and while crossing the first imaginary center line (3) from a state where the first imaginary center line (3) and the second imaginary center line (7) match to each other, the point where the first imaginary center line (3) and the second imaginary center line (7) cross is displaced on the first imaginary center line (3) by a predetermined distance corresponding to the angle of the rotation.
Inventors:
Kawabuchi, Ichiro (Green Corpo.203, 3-1-9 Shinkamat, Ota-ku Tokyo 54, 14400, JP)
Tachi, Susumu (2-31-14, Umezono Tsukuba-shi, Ibaraki 45, 30500, JP)
Kawakami, Naoki (9 Daikumachikashira, Tottori-shi, Tottori 45, 68000, JP)
Tachi, Susumu (2-31-14, Umezono Tsukuba-shi, Ibaraki 45, 30500, JP)
Kawakami, Naoki (9 Daikumachikashira, Tottori-shi, Tottori 45, 68000, JP)
Application Number:
PCT/JP2004/018952
Publication Date:
June 30, 2005
Filing Date:
December 17, 2004
Export Citation:
Assignee:
THE UNIVERSITY OF TOKYO (7-3-1, Hongo Bunkyo-ku, Tokyo 54, 11386, JP)
Kawabuchi, Ichiro (Green Corpo.203, 3-1-9 Shinkamat, Ota-ku Tokyo 54, 14400, JP)
Tachi, Susumu (2-31-14, Umezono Tsukuba-shi, Ibaraki 45, 30500, JP)
Kawakami, Naoki (9 Daikumachikashira, Tottori-shi, Tottori 45, 68000, JP)
Kawabuchi, Ichiro (Green Corpo.203, 3-1-9 Shinkamat, Ota-ku Tokyo 54, 14400, JP)
Tachi, Susumu (2-31-14, Umezono Tsukuba-shi, Ibaraki 45, 30500, JP)
Kawakami, Naoki (9 Daikumachikashira, Tottori-shi, Tottori 45, 68000, JP)
International Classes:
B25J17/00; F16H19/02; F16H19/04; F16H21/10; F16H37/12; (IPC1-7): F16H21/10; B25J17/00; F16H19/02; F16H19/04
Attorney, Agent or Firm:
Nishiura, Tsuguharu (NISHIURA & ASSOCIATES, Toranomon 34 MT Building 9F, 25-5, Toranomon 1-chom, Minato-ku Tokyo 01, 10500, JP)
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