Pulley device for a tensioner roller or winding roller
US11306810B2 · kind B2 · utility
0Cited by
29References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2019 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Jan 9, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0865
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pulley device for a tensioner roller or winding roller of a transmission element, having a fixed inner element, a rotating outer element that is mounted to rotate coaxially about the fixed inner element, and an annular protective flange having a substantially radial portion bearing against a front surface of the fixed inner element. The flange includes an annular folded portion extending substantially axially from an outer edge of the flange and passing radially into the immediate vicinity of an axially protruding annular portion of the rotating outer element to form a narrow passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.