Patent · US Expired

Bunk beam and bunk cushion apparatus for supporting a watercraft

US6830410B2 · kind B2 · utility

21Cited by
16References
54Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2002
Grant dateDec 14, 2004
Priority date
Expiry dateMar 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.