Variable ratio drive system
US6332852A · kind A · utility
7Cited by
39References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 2000 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | May 30, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A variable ratio drive system including at least one variable diameter sprocket is described herein. The variable diameter sprocket includes a support and at least three radially movable sprocket portions mounted to the support. A diameter changing mechanism is provided to selectively move the sprocket portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.