Universal four flap opener
US4478023A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1982 |
| Grant date | Oct 23, 1984 |
| Priority date | — |
| Expiry date | Apr 29, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B43/39
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for automatically receiving and opening the four flaps of a cardboard case or the like. The invention includes a conveyor system for transporting cases in spaced relationship with each other past a pair of vacuum-actuated hinged shoes which engage and partially open the side flaps and direct the same into a plow. The plow completes the opening of the side flaps. A pair of brushes, having common drive, but opposite rotation, are adapted for opening the front and rear flaps. A fabric belt engages and holds the front flap down, while a rotating arcuate member makes hold-down contact with the rear flap. The apparatus is adjustable to accommodate cases and flaps of varying dimensions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.