Torsion and force sensing device and electric screwdriver utilizing same
US10823628B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 13, 2019 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Mar 29, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L5/161
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device to sense degree of twist in a screwdriver and the magnitude of force applied includes a contacting portion, a deformation portion, a sensing portion, and a processor. The contacting portion receives a grip and twist pressure through the deformation portion which is tiltedly fixed to the contacting portion. The deformation portion carries the sensing portion and elastically deforms under the force and/or the torsion. The sensing portion detects a deformation of the deformation portion and generates a corresponding electrical signal. The processor receives the signal and determines the values of the twist caused and the force applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.