Hand-held spring-driven drive-in tool
US7870988B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Apr 17, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C1/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand-held drive-in power tool for driving in fastening elements includes a guide (12) in which a drive-in ram (13) for driving a fastening element is displaceable, and at least one preloaded drive spring (31) for driving the drive-in ram (13), with the drive being preloaded by a tensioning device (70) and further includes a transmission element (33) for transmitting a tensioning force from the tensioning device (70) to the drive spring (31), the transmission element being guided by at least one roller (34) supported on a support element (35) by at least one rolling bearing (40).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.