Residual staple amount detection device of electric stapler
US7240817B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2003 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Jun 24, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27F7/38
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In an electric stapler which is attachably and detachably provided with a staple cartridge 2 attached and detached to and from a magazine portion of a stapler main body 1 and in which in the staple cartridge 2, sheet-like staples a each constituted by connecting a number of staples in a straight form in a sheet-like shape are contained in a cartridge main body 2a in a stacked shape, and the sheet-like staples a are successively guided out to outside of an opening portion of a lower end portion of a front wall of the cartridge main body 2a from the sheet-like staple a at a lower end portion, an engaging plate 3 engaged with the sheet-like staple a at a topmost portion is arranged at an upper portion of the cartridge main body 2a, an inner side or an outer side of the cartridge main body 2a is provided with position detecting mechanism 9 for detecting a position of the engaging plate 3, and a remaining amount of the sheet-like staples a is detected based on detection of the position by the position detecting mechanism 9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.