Roller wheel with friction relief
US9415944B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2014 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Jun 30, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G39/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A flow shelf roller having an outer circumference, a radially central hub, and an axially central bore forming an inner circumference through the central hub. The inner circumference of each roller has at least one axial relief channel formed therein along the length of the axial bore. In a more particular embodiment, the axial relief channel is formed including a non-perpendicular angle with respect to the inner circumference of the roller. In a more particular embodiment, the axial relief channel includes at least one of an angled chamfer and a radiused corner, adjacent to the inner circumference of the first roller. The disclosure also includes a roller flow shelf including a flow bed roller having any or all of the aforementioned characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.