Three-side trimmer
US7493840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2004 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Jan 7, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/6667
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A three-side trimmer according to the present invention comprises a bound material feed unit (2) for feeding the bound material (1) one by one; a rotating table unit (3) for receiving the bound material (1) from the bound material feed unit (2) at a predetermined position and rotating the bound material at every predetermined angle in such a manner that the bound material is arranged at three positions of a top edge cutting position, a front edge cutting position and a bottom edge cutting position; a trimming unit (4) arranged for movement in a direction close to or away from the rotating table unit (3) between two positions of a cutting position at which the trimming unit (4) becomes close to the rotating table unit (3) so as to cut a top edge section (1a), a bottom edge section (1b) and a front edge section (1c) of the bound material (1), respectively, and a standby position at which the trimming unit (4) is away from the rotating table unit (3); trimming unit guide means (5) arranged between the rotating table unit (3) and the trimming unit (4); drive means (6) for moving the trimming unit (4) along the trimming unit guide means (5) between the cutting position and the stand-by …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.