Hand-held fastener driver
US7992756B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2009 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Apr 8, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C5/15
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand-held fastener driver for fastening elements, having a driving tappet that is movably mounted in a tappet guide and that can be driven using at least one drive spring element is disclosed, having a tensioner for the drive spring element, and having a locking mechanism. In a locked position of the locking mechanism, the drive spring element can be locked in its tensioned position, whereby the tensioner has a tensioning element that is provided with a profile, and said tensioning element can be axially moved along a longitudinal axis of motion using a rotatable counter-element that is engaged with the profile and that can be driven by a motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.