Continuously variable transmission or clutch with ortho-planar compliant mechanism
US7338398B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2004 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Feb 10, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2236/027
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A continuously variable transmission or clutch device (10) includes at least one pulley (18) rotatable on a pivot (28) and having a pair of adjustable sheaves (30, 34) including a movable sheave (30) movable along the pivot. An ortho-planar compliant mechanism (14) is capable of elastic deformation and operatively coupled to the movable sheave to bias the movable sheave towards or away from the other sheave. The ortho-planar compliant mechanism includes a substantially flat configuration and is deflectable therefrom as the movable sheave moves. The ortho-planar compliant mechanism can include a center platform (38) disposed on the pivot and a plurality of arms (42) extending from the platform to distal ends (46) coupled to the movable sheave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.