Pulley device, in particular for tensioning idler or runner roller
US11536351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Mar 4, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0865
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pulley device configured to support a belt of a chain tensioning idler or runner roller includes a bearing having a rotatable outer ring and a coaxial fixed inner ring and a pulley having at least one C-shaped pulley part that has an inner portion with an inner surface mounted on an outer cylindrical surface of the bearing outer ring, an outer cylindrical portion having an outer cylindrical surface configured to contact the belt or the chain, and a radial intermediate portion between axial outer ends of the inner and outer cylindrical portions and an axial outer end of the outer cylindrical portion, wherein a ratio between a radial material thickness of the outer cylindrical portion and a radial material thickness of the inner cylindrical portion is strictly greater than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.