Punch assembly with steel punch point insert removably secured therein
US10265756B2 · kind B2 · utility
0Cited by
47References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2012 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Apr 24, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9476
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch assembly for a turret-type punch press includes an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.