Shearing apparatus
US8959777B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2011 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Feb 11, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B13/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A shearing apparatus comprising an index portion, a thumb portion, and a ripping portion. The index portion has an index blade arcuately movable in a first direction defining an arc about a pivot. The thumb portion is pivotably connected to the index portion at the pivot, and has a thumb blade arcuately movable in a second direction that is substantially opposite the arc of the first direction. The ripping portion is disposed on the thumb blade or the index blade, and has a ripping blade manually movable in a third direction at an angle, parallel or perpendicular to a line parallel to at least one of the index blade and the thumb blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.