Lead frame advance system
US4420107A · kind A · utility
7Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1982 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Feb 18, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D43/025
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
To cut a strip of metal into exact lengths, rollers are brought into contact with the strip and turned by an accurate motor until a pin can be mechanically inserted into a hole in the strip to effect final alignment. If the pin does not successfully enter the hole, a detector halts the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.