Cylinder
US6004242A · kind A · utility
6Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Dec 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cylinder of, for example, a folding apparatus in a rotary printing machine is provided with rotating cam wheels that drive perforating needles or folding blades. These cam wheels can be phase adjusted by use of a planetary gear drive that includes a planetary wheel and ring gear. The position of the engagement between the planetary wheel and the ring gear is variable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.