Punch tool with interchangeable die
US5601006A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1994 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Sep 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9476
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch tool for use by children is disclosed. The punch tool includes a removable die and punch assembly that can be inserted and removed from a base portion to permit the punching of holes having a variety of configurations. A cap is rigidly secured to the base and has an indented portion so sheets of paper can be inserted between the base and the cap. The retainer cap includes an opening in which an actuator button is slidably mounted and against which the punch is biased by a spring. Thus, a user can slide a sheet of paper between the base and the retainer cap and punch a hole therethrough by pressing the actuator button with sufficient force to overcome the spring bias.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.