Tensioner with secondary damping
US9618099B2 · kind B2 · utility
2Cited by
59References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2015 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Oct 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0893
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tensioner comprising a shaft, a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a first spring urging a first damping member into a frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting a damping force greater in a first pivot arm direction than in a second pivot arm direction, and a second spring disposed in the pivot arm and urging a second damping member into a frictional engagement with a base surface, the base surface comprises an arcuate form having a radius that is variable from a minimum value to a maximum value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.