Selectively variable hole punching device
US6295908A · kind A · utility
12Cited by
18References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1999 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Dec 17, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9387
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for forming a number of holes in a medium includes a selector, a hole forming device and a controller. The selector selects the number of holes to be formed in the medium, with the number of holes being selected from at least two predetermined numbers such as two and three. The hole forming device forms the holes in the medium. The controller controls the hole forming device to form in the medium the number of holes selected by the selector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.