Optimized drive device for driving items of mail
US5762332A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1997 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Jan 31, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/1916
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drive device for driving items of mail along a conveyor path of a postage meter base, the device being disposed upstream from a print mechanism and including first and second motorized feed rollers cooperating with associated moving backing-rollers mounted on hinged means which can pivot about a common hinge axis against return springs fixed to support means, at least one of the backing-rollers comprising a middle backing-wheel mounted on a lever hinged about the common axis and disposed between twin outer backing-wheels each mounted on a respective lever also hinged about a common axis, such that mail items inserted on the conveyor path come into contact with one only of the outer backing-wheels and the middle backing-wheel, or else with all three backing-wheels, depending respectively on whether or not the items are thinner or thicker than a predetermined thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.