Tensioning roller device
US7758459B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2007 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Nov 30, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0889
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Tensioning roller device including a non-rotating part about which there is rotationally mounted a pulley-forming rotating assembly designed to collaborate with a belt or a chain and a rolling bearing positioned between the non-rotating part and the pulley and including a rotating ring, a non-rotating ring and rolling elements, the pulley including a rigid rim including a first part fixed to the rotating ring of the bearing and a second part that can move with respect to the first part under the action of an elastic element, and an expandable sleeve of annular overall shape designed to be in contact with the belt or the chain, the diameter of the expandable sleeve varying according to how hard it is pressed by the second part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.