TRACTION DRIVE POWER TRANSMISSION DEVICE

Title:

TRACTION DRIVE POWER TRANSMISSION DEVICE

Document Type and Number:

WIPO Patent Application WO/2004/061334

Kind Code:

A1

Abstract:

A traction drive power transmission device, where a lubrication oil can be stably and continuously applied for a long period to portions at which rollers and a shaft are in contact with each other, shortage of the lubrication oil does not occur at the contact portions, the lubrication oil is not wasted, and which does not impair work environment by contaminating floor surface etc. A traction drive power transmission device has at least one drive roller (12a), a follower roller (12b), and a circular cylinder-like shaft (11). The shaft (11) is held between the drive roller (12a) and the follower roller (12b). When the drive roller (12a) is rotated, rotational force by the rotation is transmitted to the shaft (11) to drive it in its axial direction. The device has a lubrication oil-delivering portion (20) with application bodies (22-1, 22-2) for applying a lubrication oil only to portions where the shaft (11) is in contact with the drive roller (12a) and the follower roller (12b).

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Inventors:

YATSUSHIRO DAISUKE (JP)
SHIRAI TAKEKI (JP)
MICHIOKA HIDEKAZU (JP)
KAWAGUCHI TAKAHIRO (JP)
KUSAKABE HARUO (JP)
FUKUDA MITSURU (JP)
OTSUBO SEIICHI (JP)

Application Number:

PCT/JP2003/016872

Publication Date:

July 22, 2004

Filing Date:

December 26, 2003

Export Citation:

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Assignee:

THK CO LTD (JP)
MITUTOYO CORP (JP)
YATSUSHIRO DAISUKE (JP)
SHIRAI TAKEKI (JP)
MICHIOKA HIDEKAZU (JP)
KAWAGUCHI TAKAHIRO (JP)
KUSAKABE HARUO (JP)
FUKUDA MITSURU (JP)
OTSUBO SEIICHI (JP)

International Classes:

F16H19/02; (IPC1-7): F16H19/02; F16H57/04

Foreign References:

JPH07181275A	1995-07-21
US6155717A	2000-12-05
JPS6227252U	1987-02-19

Other References: