Bi-directional accumulation roller conveyor
US5377817A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Dec 22, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G47/261
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bi-directional accumulation roller conveyor includes a plurality of upper load carrying rollers longitudinally coextensive with and superimposed over a plurality of lower load carrying rollers, a drive for driving the upper and lower load carrying rollers for counter rotation with respect to each other, a first clutch for drivingly engaging the upper load carrying rollers, a second clutch for drivingly engaging the lower load carrying rollers, a actuator for disengaging the clutches respectively in response to the presence of a pallet on each terminal end of the upper or lower plurality of load carrying rollers and a lifting device for transferring pallets between the upper and lower load carrying rollers thereby providing a continuous loop of conveyable pallets and managing pallet flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.