Screw tightening apparatus and screw tightening method
US11478887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2021 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | May 13, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B5/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is provided a screw tightening apparatus that fastens, with a screw, two objects to be fastened including a first member provided with a first screw hole and a second member provided with a second screw hole for screwing, and the screw tightening apparatus includes: a distance measuring device that measures a relative position between the first member and the second member in a vertical direction perpendicular to the axial direction of the second screw hole; a screw tightening part that holds the screw inserted into the first screw hole and screws the screw into the second screw hole for screwing; a moving mechanism that moves the screw tightening part along the vertical direction; and a hardware processor that controls the screw tightening part and the moving mechanism according to a measured value of the distance measuring device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.