Rotary striking tool
US8360166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2010 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Feb 3, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/1475
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
According to an aspect of the present invention, there is provided a rotary striking tool, including: a motor; an impact unit having a driving part being driven by the motor and an output part; a tip-tool side output shaft that is coupled to the output part; an impact detection unit that detects an impact generated at the impact unit; and a control unit programmed to: control the impact unit to perform a confirmation striking when the impact detected by the impact detection unit reaches a prescribed value, detect a rotation angle of the output shaft at the confirmation striking, determine whether a fastening operation is completed when the detected rotation angle is equal to or smaller than a predetermined angle, and continue the fastening operation when the detected rotation angle is larger than the predetermined angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.