Twist-shearing apparatus
US5065653A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1990 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Aug 23, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8805
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for shearing extruded stock includes a stationary die and a rotatable die mounted adjacent one another wherein the rotatable die moves through a limited angle of rotation through the operation of a cam acting on a lever linked to the spindle in which the rotatable die is mounted. The cam undergoes a full 360.degree. of rotation although the rotatable die undergoes a limited angle of rotation. A spring or regulated pneumatic cylinder is provided to bias the rotatable die to the home position after cutting of the extruded stock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.