Conveying device with pusher fingers
US4446962A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 11, 1982 |
| Grant date | May 8, 1984 |
| Priority date | — |
| Expiry date | Aug 11, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S209/917
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveying device for rectangular substantially flat objects, for example, letters, including first and second conveyor sections each including a guide trough which defines a conveying path for the objects and supports a longitudinal edge of same, a direction changing conveyor section connecting the first and second sections together so that objects can be conveyed from the first to the second section, and a rotating pulling device having a plurality of pusher fingers mounted thereon for moving the fingers along the guide troughs of the first and second conveyor sections so as to move objects along the conveying path. The pulling device is mounted on a plurality of drums with one of these drums being disposed in the direction changing conveyor section and having a first contact surface for the pulling device. The directing changing conveyor section comprises a second contact surface on the drum within the direction changing conveyor section with the second contact surface having a greater radius than that of the first contact surface, an endless cover belt, and a plurality of rollers for supporting and guiding the cover belt so that it normally encloses and contacts the portion of…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.