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Title:
ROTATIONAL TORSION TESTER
Document Type and Number:
WIPO Patent Application WO/2012/141170
Kind Code:
A1
Abstract:
The present invention comprises: a first drive shaft for rotating about a predetermined axis of rotation, one end of a workpiece being attached thereto; a second drive shaft for rotating about an axis of rotation, the other end of the workpiece being attached thereto; a load-imparting unit for supporting the first drive shaft, driving the first drive shaft to rotate, and imparting a torsional load to the workpiece; at least one first bearing for supporting the load-imparting unit rotatably about an axis of rotation; a rotational drive unit for driving the first drive shaft and the load-imparting unit to rotate in the same phase; and a torque sensor for detecting the torsional load. The load-imparting unit is provided with a frame having a cylindrical shaft part into which the first drive shaft is inserted, the frame being supported by the first bearing and supporting the first drive shaft within the shaft part. The torque sensor is configured so as to be mounted onto the portion of the first drive shaft that is inserted into the shaft part and so as to detect the torsional load of the portion.

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Inventors:
MATSUMOTO SIGERU (JP)
MIYASHITA HIROSHI (JP)
MURAUCHI KAZUHIRO (JP)
HASEGAWA MASANOBU (JP)
Application Number:
PCT/JP2012/059777
Publication Date:
October 18, 2012
Filing Date:
April 10, 2012
Export Citation:
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Assignee:
KOKUSAI KEISOKUKI KK (JP)
MATSUMOTO SIGERU (JP)
MIYASHITA HIROSHI (JP)
MURAUCHI KAZUHIRO (JP)
HASEGAWA MASANOBU (JP)
International Classes:
G01N3/22; G01M13/02
Foreign References:
JPH03200043A1991-09-02
JP2004125549A2004-04-22
JP2001138146A2001-05-22
JPH0590345U1993-12-10
JP2000074806A2000-03-14
JP2006214795A2006-08-17
JP2008267939A2008-11-06
JPH10274610A1998-10-13
JPH01262435A1989-10-19
JP2002214080A2002-07-31
JP2004125549A2004-04-22
Other References:
See also references of EP 2698619A4
Attorney, Agent or Firm:
MATSUOKA, Shuhei et al. (JP)
Shuhei Matsuoka (JP)
Download PDF:
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Claims:



 
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