Drilling tool with a suction device
US6199644A · kind A · utility
3Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1999 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Mar 17, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q11/0046
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drilling tool, including a housing (1), a suction device (14), and at least one gas spring (2) cooperating with both the housing (1) and the suction device (14) and an operational direction of which is parallel to a drilling direction, with the housing (1) having bore (15) for receiving a piston rod (22) and at least a section of cylinder (21) of the at least one gas spring (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.