Title:
LOAD SENSOR AND LOAD DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159512
Kind Code:
A1
Abstract:
A load sensor according to an embodiment is provided with: a strain body provided with a load receiving part; an insulating layer provided on the strain body; a first resistor part and a second resistor part which are provided on the insulating layer and connected in series; and a first output terminal that outputs a voltage between the first resistor part and the second resistor part, wherein: the first resistor part is provided with a plurality of first strain gauges connected in series and arranged on the circumference of a first circle that is a circle or an ellipse; the second resistor part is provided with a plurality of second strain gauges connected in series and arranged on the circumference of a second circle that is a circle or an ellipse; and the first circle and the second circle are concentric circles or concentric ellipses centered on the load receiving part.
Inventors:
YOKOYAMA KIMIHIRO (JP)
EBISAWA TOMOKO (JP)
EBISAWA TOMOKO (JP)
Application Number:
PCT/JP2018/045258
Publication Date:
August 22, 2019
Filing Date:
December 10, 2018
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G01L1/22; G01G3/14
Domestic Patent References:
| WO2013108502A1 | 2013-07-25 |
Foreign References:
| JP2013250161A | 2013-12-12 | |||
| JPS63302333A | 1988-12-09 | |||
| US20110067502A1 | 2011-03-24 | |||
| JP2013217815A | 2013-10-24 | |||
| JP2017211297A | 2017-11-30 | |||
| JP2009020096A | 2009-01-29 | |||
| US8256306B1 | 2012-09-04 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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