Conveyor roller assembly
US6612422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G23/08
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveyor roller assembly comprising a supporting bracket through which the roller assembly can be fixed in use, a hollow, generally cylindrical roller shell supported for rotation about its longitudinal axis on the bracket, an electrical generator housed within the roller shell and driven thereby by rotation of the shell to produce an electrical output, a brake within the roller shell and operable to brake rotation of the shell relative to the bracket, a speed sensor within the shell for sensing the speed of rotation of the shell relative to the bracket, and, an actuator powered by the electrical output of the generator when the speed sensor detects that the speed of rotation of the shell relative to the bracket exceeds a predetermined value, to effect operation of the brake to brake rotation of the shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.