Stapler for forming staples to various sizes
US6871768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2003 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Jun 20, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27F7/36
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A staple forming mechanism having at least first and second configurations. The staple forming mechanism including a bend surface having a first surface width in the first configuration and a second surface width in the second configuration for forming staples having first and second crown sizes, respectively. The forming mechanism also includes at least two side portions spaced apart by a first former width in the first configuration and by a second former width in the second configuration. The side portions cooperate with the bend surface to form the staples. A stapler includes the forming mechanism and a driver including a driving surface having a first driver width in the first configuration and a second driver width in the second configuration for driving the staples of the first and second crown sizes into a stack of papers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.