Dry variable speed drive mechanism
US9518640B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2014 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Mar 16, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A variable drive includes a rotatable drive shaft, a fixed sheave fixed axially relative to the drive shaft and mounted for rotation with the drive shaft, and a movable sheave mounted for axial movement relative to the drive shaft. A plurality of drive fingers project from one of the sheaves. A plurality of recesses are formed in the other sheave. Each drive finger is movably received by a corresponding one of the recesses. A bearing member is interposed between the drive fingers and the other sheave. The bearing member includes a plurality of bearing fingers. Each bearing finger is positioned between one of the drive fingers and a wall of a corresponding one of the recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.