Releasable staple magazine with a releasable staple forming arrangement
US7469810B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2004 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27F7/38
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Staple magazine (7) for mounting to a stapler (1) used to staple together a workpiece (6), primarily a sheaf of papers, the said staple magazine comprising a container (8), in which elongated staple blanks (10) in the form of a strip (11) are stored, and a staple forming arrangement (9) comprising a forming punch (19), which bends the elongated staple blanks into the shape of a staple over a forming block (48), and a drive punch (20) with which the staple blanks which have been bent into staple shape for stapling the workpiece are driven into the said workpiece, the staple blanks stored in strip form being fed by a feeder plate (51) to a forming block (48) along a feed path (44) incorporated in the container, and the forming punch and drive punch being driven in a reciprocating bending and drive movement (P) by a drive arrangement (13-16) incorporated in the stapler, the container (8) and the staple forming arrangement (9) being connected to each other by means of releasable connecting devices (22, 23, 34, 35).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.