Boom for a sailing device
US4922845A · kind A · utility
5Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 29, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Feb 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H8/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A multi-level boom adapted for use on a sailing device such as a sailboard. The boom comprises a lower portion in a wishbone type shape having a forward end adapted to be secured to a mast and an aft end adapted for securing the clew of a sail to the boom. The boom further includes at least one elongated tubular member pivotally and slidably secured at one end to the wishbone near the midpoint of one side of the boom and having a clamp at the other end for releasably securing the elongated tubular member to a mast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.