Wind propelled apparatus
US4311107A · kind A · utility
Inventor
Key dates
| Filing date | Oct 16, 1979 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Oct 16, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/456
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved wind-propelled apparatus is disclosed which includes a body mounting a stub mast generally orthogonal thereto. The stub mast is mounted in a well formed on the body and secured by a sleeve, resilient annulus and plug combination. Mounted on the stub mast is a generally vertical sail mast which is rotatable about a vertical axis. The stub mast also mounts a boom of sufficient length as to be capable of passing under the sail and having an eye and strap arrangement for securing the boom on either side of the sail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.