Impact drill
US7213659B2 · kind B2 · utility
29Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2005 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Apr 30, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/371
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An impact drill includes a first ratchet together with a spindle and movable in an axial direction, and a second ratchet engageable with the first ratchet. The second ratchet can be moved in the axial direction, and rotated with a predetermined range in a rotational direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.