Idler or roller device
US9506538B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2015 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Mar 19, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/0093
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tension roller or reel device for a torque transmission element. The device comprises at least one bearing having one inner race, one outer race and at least one row of rolling elements between the inner race and the outer race, a pulley on top of the outer race, and a retaining screw inserted into a central bore of the inner race. The bore of the inner race is provided with a circumferential cavity in which a retaining ring is fitted securely and integrally, the retaining ring comprising an interaction feature providing interaction with the screw so as to allow an axial immobilization of the screw in relation to the bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.