Driving force transmission device in corrugated cardboard box making machine
US4968292A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Jun 19, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7035
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A corrugated cardboard box making machine wherein the units such as feed unit, printing unit and slotting unit are separably connected in alignment with a driving shaft being provided on each one of the units, and on an external gear which is one element of a coupling arranged between the driving shafts engaging projections are provided and on an internal gear which is the other element, there are provided engaging concave portions to automatically receive the engaging projections only when rotational positions of both of the gears are coincided. The machine is further arranged to automatically and accurately perform smooth connecting operation of each driving shaft when each unit is reconnected after such work as printing plate exchange is finished.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.