Stapler
US8579173B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2007 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Feb 14, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C5/0207
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A stapler (1) by which a workpiece (11), preferably a sheaf of papers, is stapled together with a staple, which stapler (5) comprises a stapling head (2) accommodating staples and a driver (6) and connected pivotably by a pivot pin (4) to a bottom part (3) which comprises a lower element (9) and an upper element (8) which are connected to one another in such a way that they can be moved towards and away from one another (P) and which in an initial state are held in a locking position at a distance from one another by a locking device (17), with forming means (14, 15) arranged between the upper and lower elements, which forming means, when the staple has been fully driven into the workpiece at its insertion area (26) by the driver, are activated to bend the staple legs towards the workpiece as a result of the upper and lower elements moving towards one another when the locking device is released by an activating means (22) which is part of the locking device (17) being acted upon by an unlocking means (7) disposed on the stapling head, the activating means (22) of the locking device (17) being situated at a greater distance in the longitudinal direction (L) of the stapler from the p…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.