Force sensor having a strain body
US11353344B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Apr 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K5/061
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a force sensor according to one embodiment, a main body is cylindrical. A cylindrical movable body is movable with respect to the main body and includes at least three circular openings in the outer circumference thereof. A strain body is fixed to the main body and the movable body and is deformable according to the movement of the movable body. Strain sensors are provided on the strain body. A first stopper is arranged inside each of the openings and includes a first outer circumferential surface including a first outer diameter less than a diameter of the opening. Sealing members are configured to cover at least the openings and a movable part between the main body and the movable body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.