Ball coupled compound traction drive
US4744261A · kind A · utility
175Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 1987 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Apr 3, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S475/904
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A variable ratio traction drive employing a set of geometrically skewed axis drive balls mounted in an input carrier and captured between a split outer ring. An alteration of the axis skew angle of the balls causes a turns ratio change in the traction drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.