Boat expanding and contracting apparatus

摘要

An expandable and contractible safety barrier for a boat includes a first barrier portion and a second barrier portion. The first barrier portion includes a first outside hinge portion. The second barrier portion includes a second outside hinge portion. The first barrier portion is pivotally connected to the second barrier portion by a middle hinge. The middle hinge is locate on an end of the first barrier portion opposite the first outside hinge portion and on an end of the second barrier portion opposite the second outside hinge portion. A latching device that removably attaches the first barrier portion to a fixed barrier includes a pin about which the first outside hinge portion pivots.

主权项

1. An assembly, comprising:
a first rigid barrier; a second rigid barrier; a first safety barrier and a second safety barrier, each including:
a first barrier portion pivotally connected by a first outside hinge to the first rigid barrier;a second barrier portion pivotally connected by a second outside hinge to the second rigid barrier; anda middle hinge that pivotally connects an end of the first barrier portion opposite the first outside hinge to an end of the second barrier portion opposite the second outside hinge about a pivoting axis, wherein the first rigid barrier, the second rigid barrier, the first safety barrier and the second safety barrier are arranged on a floor and form a closed loop, and wherein the pivoting axis is substantially perpendicular to the floor.