Title:
緩み検出システム
Document Type and Number:
Japanese Patent JP7133182
Kind Code:
B2
Abstract:
To provide a loose detection system capable of accurately detecting occurrence of loosening of fasteners without requiring new parts.SOLUTION: A loose detection system 1 comprises a sensor-equipped fastener 10 including an attitude detection sensor 14 including a three-axis acceleration sensor and a three-axis magnetic sensor, and a monitoring device 20 that receives detection information wirelessly output from the sensor-equipped fastener 10. Based on the detected information, the monitoring device 20 calculates attitude information of the sensor-equipped fastener 10 and determines whether or not the sensor-equipped fastener 10 is loosened from the time-series change of the attitude information.SELECTED DRAWING: Figure 1
Inventors:
Toshiyuki Higaki
Application Number:
JP2017120386A
Publication Date:
September 08, 2022
Filing Date:
June 20, 2017
Export Citation:
Assignee:
Bolt One Co., Ltd.
International Classes:
G01L5/00; F16B31/00; F16B31/02; G01L5/24; G01M13/00; G01P15/18
Domestic Patent References:
| JP2017161478A | ||||
| JP201629358A | ||||
| JP11118637A | ||||
| JP2007112334A |
Foreign References:
| US20140079504 |
Attorney, Agent or Firm:
Patent business corporation Arole International