Hand-held drive-in tool
US7815088B2 · kind B2 · utility
13Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2008 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Jun 24, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C5/15
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand-held drive-in tool for driving fastening elements in a workpiece and including a guide (12), a drive-in ram (13) displaceable in the guide (12) for driving a fastening element in, a drive-in unit (30) for driving the drive-in ram (13) and including at least one first drive spring (31) and at least one second drive spring (32) having respectively, opposite first and a second expansion directions (37, 38), and a tensioning device for preloading the drive-in ram (13) and the first drive spring (31).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.