Collapsible boat frame

Details Collapsible boat frame Collapsible boat frame

1976-03-08

1977-01-25

Halvosa, George E. A.

9 2F, B63B 704

Patent

active

040043070

ABSTRACT:
The fore and aft sections of a folding boat frame each have a post located in the longitudinal median plane of the section, and two sets of elongated stringers extending away from the post on respective sides of the median plane. Each stringer has a first portion attached to the frame and a second portion hinged to the first for folding the two portions on each other. Each set includes a bottom stringer having a major longitudinal face. The first stringer portions are pivotally connected to a rib frame which may be folded about an axis in the median plane toward and away from the plane. The bottom stringers are fastened to the rib frame in such a manner that they move angularly relative to each other from a position in which their major faces converge toward the median plane at an obtuse angle to a position in which the angle is much smaller and acute when the rib frame is folded. The second stringer portions carry releasable coupling elements for engagement with corresponding elements on the other section, whereby the sections may be assembled to constitute the boat frame.

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