Title:
TORQUE SENSOR
Document Type and Number:
WIPO Patent Application WO/2019/171811
Kind Code:
A1
Abstract:
A torque sensor (10) is provided with: a first area (1) formed in an annular shape; a second area (2) formed in an annular shape and positioned concentrically with the first area (1) on the inner side of said first area (1); a plurality of beam sections (3) connecting the inner side of the first area (1) with the outer side of the second area (2); strain-generating bodies (4) for detecting displacement of the first area (1) and the second area (2) relative to each other; and stoppers (5) for enhancing the rigidity of the beam sections (3) when the torque in a direction of measurement exceeds a reference value.
Inventors:
IKEDA TAKAO (JP)
Application Number:
PCT/JP2019/002578
Publication Date:
September 12, 2019
Filing Date:
January 25, 2019
Export Citation:
Assignee:
NIDEC COPAL ELECTRONICS CORP (JP)
International Classes:
G01L3/10
Foreign References:
| JPH063207A | 1994-01-11 | |||
| JP2017172983A | 2017-09-28 | |||
| JP2004077172A | 2004-03-11 | |||
| US20110314935A1 | 2011-12-29 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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