Drive frame for a scraper chain conveyor
US4953692A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1988 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Dec 14, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G19/285
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drive frame (1) for a scraper chain conveyor comprises a pair of spaced-apart parallel sidewalls (2), interconnected by a cross-member (3) welded to both sidewalls (2); a sprocket barrel assembly (18) provided with at least one sprocket ring (19) adapted to engage at least one endless chain assembly of the conveyor; mutually engageable seating surfaces (23, 5) provided respectively on the sprocket barrel assembly (18) and on the cross-member (3); at least one abutment face (7) provided on the cross-member (3); at least one abutment face (26) provided on the sprocket barrel assembly (18) in close but spaced proximity from the cross-member abutment face (7) to define at least one upwardly open pocket (27); and a releasable fastener (28) for securing the sprocket barrel assembly (18) to the drive frame (1) via the seating surfaces (5, 23) that is lowerable into, and raisable from, the pocket (27), and that is also actuable and accessible from above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.