Concrete drill
US7055633B2 · kind B2 · utility
4Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2003 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Feb 8, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2226/75
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A concrete drill for a rotary and percussively driven hand tool machine with a cutting part (1) and a striking part (2) that is axially and limited displaceable relative to the cutting part (1). Each of the cutting part (1) and the striking part (2) have a respective facial surface work area for machining a bore hole surface. The respective facial surface work area of the cutting part (1) and the striking part (2) radially overlap upon rotation of the concrete drill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.