Bunk beam and bunk cushion apparatus for supporting a watercraft
US6830410B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2002 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Mar 30, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C3/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to an apparatus for supporting the hull of a watercraft using a flexible bunk beam and a convex cushion attached to the beam using locking elements. The beam has a longitudinal recess with a narrow upper neck portion and a larger lower anchor portion, and the cushion has an elongated cushion locking member lockably insertable into the recess. The cushion locking member has a narrow upper neck portion and a larger lower portion sized to snuggly fit within the recess. The cushion includes internal voids and walls. The beam includes sidewalls with bores forming bearing surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.