Dual position automatic notcher
US7017461B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2002 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Nov 12, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/943
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for consecutively forming one or more notches in a first surface and one or more notches in second surface of a hollow workpiece. The notching device including a first die and a second die that is fixed relative to the first die; and a shiftable punch having opposing first and second cutting surfaces. The punch shiftable between a first punching position and a second punching position and aligned such that the first cutting surface and the first die cooperating to form a first notch when the punch proceeds towards the first position, and the second cutting surface and the second die cooperating to form a second notch when the punch proceeds towards a second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.