Impact fastening tool
US10953524B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2018 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Nov 9, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/1475
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An impact fastening tool may include a motor; a hammer configured to be rotationally driven by the motor; an anvil configured to be hit in a rotational direction by the hammer; a signal obtainer configured to obtain a variable signal which varies in accordance with a hit to the anvil by the hammer; and a seating determiner configured to determine whether or not a fastener has been seated based on the variable signal obtained by the signal obtainer, wherein the seating determiner is configured to determine whether or not the fastener has been seated based on a signal component of the variable signal obtained by the signal obtainer, the signal component corresponding to a predetermined reference frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.