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Title:
TRANSMISSION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2008/059807
Kind Code:
A1
Abstract:
A transmission device having a high transmission ratio, reduced in size, cost, and noise, and achieving low slip losses. The outer peripheral surfaces of a small-diameter rolling body (11) and auxiliary rolling body (13) are caused to be in contact with the outer peripheral surface of a large-diameter rolling body (12). The auxiliary rolling body (13) is placed on the substantially opposite side of the large-diameter rolling body (12) from the small-diameter rolling body (11). The inner peripheral surface of a pressure regulation ring (14) is caused to be contact with the outer peripheral surface of the small-diameter rolling body (11) and with the outer peripheral surface of the auxiliary rolling body (13), and the pressure regulation ring (14) is supported by these surfaces. When the small-diameter rolling body (11) is rotated, the pressure regulation ring (14) is rotated through the large-diameter rolling body (12) and the auxiliary rolling body (13). When a load is applied to the rotation of the large-diameter rolling body (12), the pressure regulation ring (14) is decentered. By this, the small-diameter rolling body (11) receives, from the pressure regulation ring (14), inward pressing force in the radial direction of the large-diameter rolling body (12).

Inventors:
MURAKI MASAYOSHI (JP)
OKAMURA KIKUO (JP)
Application Number:
PCT/JP2007/071950
Publication Date:
May 22, 2008
Filing Date:
November 13, 2007
Export Citation:
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Assignee:
SHONAN INST OF TECHNOLOGY (JP)
CAMPUS CREATE CO LTD (JP)
MURAKI MASAYOSHI (JP)
OKAMURA KIKUO (JP)
International Classes:
F16H13/04
Foreign References:
JPH0193659A1989-04-12
JPS57171156A1982-10-21
JPH0465902U1992-06-09
JPS63189568U1988-12-06
JP2006117003A2006-05-11
JP2005140156A2005-06-02
Attorney, Agent or Firm:
NARUSE, Shigeo (INABA & INAMI Hanabishi Imas HirakawachoBuilding, 4th Floor, 2-3-11, Hirakawacho, Chiyoda-k, Tokyo 93, JP)
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