COLLAPSIBLE BOAT Russian patent published in 1995 - IPC

FIELD: boating; designing of collapsible boats. SUBSTANCE: keelson and stringers of the boat are folding in their construction and are made of non-detachable links. Plates are welded to keelson. Framework of collapsible boat consists of stringers, frame members, keelson and stems and is made as collapsible and folding with joints at four zones: in zone of deck members and keelson with the aid of pintles, in zone of conjugation of upper and lower stringers by means of other pintles and frame members; in zone of stems in fore and aft parts connecting stringers and keelson and in zone of conjugation of lower stringers by means of pins and deck members. EFFECT: enhanced reliability. 8 dwg