Compact coil spring tensioner
US5195932A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1989 |
| Grant date | Mar 23, 1993 |
| Priority date | — |
| Expiry date | Oct 12, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/088
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus is provided for tensioning a drive belt, which apparatus consists of tensioner arm having an idler pulley thereon for engagement with the surface of a drive belt, structure for mounting the tensioner arm to a support for pivoting movement in first and second opposite directions relative to the support, and a torsion coil spring formed of wire and acting between the mounting structure and tensioner arm for biasing the tensioner arm in one of the first and second directions. The wire has a non-circular cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.