Chain and flight conveyor
US8177049B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2008 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G19/24
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A chain driven by two sprockets spaced a short distance apart along their common axial centerline. The chain includes elongated pins that extend beyond the outer surfaces of the chain link plates, on both sides, by a distance about equal to the width of the spaced apart sprockets. The chain is aligned midway between the sprockets, and the sprocket teeth drive on the extended portion of the chain pins. Where a flight is attached to the chain links, the pins are extended still further, to fit into the indentations or holes in the flights. This provides an exposed length of each pin in alignment with the sprocket on each side for driving purposes. The chain has a piece extending between the plates to reduce the likelihood of a pin extending further outside of one side plate or the other. A shoulder on the pin further reduces the likelihood of this happening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.