Conveyor belt positive drive roller
US9327907B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Mar 12, 2015 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G45/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveyor belt system and a conveyor belt drive roller and method of making in which the drive roller comprises a cylindrical body having a circumference and opposite ends, a plurality of annular drive sections axially spaced apart by annular relief lands. The annular drive sections have circumferentially spaced apart lug grooves formed by raised portions extending parallel to the body axis. The lug grooves have opposite ends communicating with an annular relief land for discharge of waste material. A drive shaft with left and right knurling at opposite ends is press fitted into the body of the drive roller creating a balance resistance to movement of the shaft in opposite directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.