Patent · US Expired

Wind propelled apparatus

US4311107A · kind A · utility

8Cited by
12References
9Claims
0Family size

Inventor

Key dates

Filing dateOct 16, 1979
Grant dateJan 19, 1982
Priority date
Expiry dateOct 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.