Bag conveying apparatus and a gripper endless chain used in a bag filling packaging machine
US6662936B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2002 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Apr 25, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B43/465
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bag conveying apparatus including a sprocket continuously rotated on a horizontal plane, a fixed guide member having a guide section of a semicircular shape, and an endless chain mounted between the sprocket and the guide section of the guide member. The endless chain is comprised of a plurality of links connected by connecting shafts. Guide rollers rotatable about their own vertical axes are disposed on and under each connecting shaft, and an inside guide roller rotatable about its own horizontal axis is disposed on the inner side of each link. The guide section of the guide member has roller guide sections that contact the guide rollers of the endless chain, and the guide section also has a guide groove in which the inside guide rollers of the endless chain are fitted. Grippers that grip both edges of a bag are installed on each link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.