Neutrally mounted same vibration frequency impact tool
US5213017A · kind A · utility
18Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Oct 17, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/5393
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A battery powers the motor of an electrically powered impact gun. The body of the gun vibrates at some frequency and an aluminum brush holder therein is configured to vibrate at about the same frequency to minimize chatter and arcing of the brushes on the commutator bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.