Car topable catamaran with collapsible frame and universal tiller/rudder-mast daggerboard mounting constructions

In a collapsible rectangular frame for a catamaran having a pair of hulls, and a trampoline, the improvement comprising:

• said frame being collapsible and including fore and aft cross-bar sub-frames and a pair of longitudinally extending molded members extending between said fore cross-bar and aft cross-bar sub-frames, each said longitudinally extending molded member having upper and lower sides including hull encompassing semi-circular cavity on said lower side, flexible and stretchable strap means for securing said hulls in said semi-circular cavities, respectively, fore and aft cross-bar sockets molded in said top surface, and at least one locating and retaining pin extending between each socket and the ends of each tubular cross-bar, respectively, said flexible strap means retaining each said tubular cross-bar on said locating and retaining pin, respectively.

In a catamaran sailboat having a collapsible frame and a pair of elongated pontoons spacedly secured to said collapsible frame, said frame includes fore and aft cross bar sub-frame members having lateral ends and a pair of longitudinally extending sub-frame members having fore and aft ends, a mast, a center board and tiller rudder assembly, the improvement comprising each said longitudinally extending sub-frame member being molded and including:

• a pontoon embracing longitudinal cavity which is the length of said longitudinally extending sub-frame member, and fore and aft sockets in the fore and aft ends for receiving the lateral ends of said fore and aft cross bar sub-frame members.

In a rectangular frame for a catamaran having a pair of hulls, and a trampoline, the improvement comprising:

• said frame being collapsible and including fore and aft cross bar tubes having lateral ends and a pair of longitudinally extending molded members extending between said fore cross bar and aft cross-bar tubes, each said longitudinally extending molded member having upper and lower sides including hull encompassing longitudinal cavity on said lower side, means for securing said hulls in said longitudinal cavities, respectively, fore and aft cross bar saddles molded in said top surface, and at least one locating and retaining pin in each, the ends of each tubular cross bar having a locating aperture for receiving said locating and retaining pins.

The catamaran having a collapsible frame and a pair of elongated inflatable pontoons spacedly secured to said collapsible frame, said frame includes fore and aft cross bar sub-frame members having lateral ends and a pair of longitudinally extending sub-frame members having fore and aft ends, the improvement comprising each said longitudinally extending sub-frame member being molded and having an upper surface and depending side surfaces, including:

• fore and aft saddles molded in each said upper surface for receiving the lateral ends of said fore and aft cross bar sub-frame members,
• a pontoon embracing longitudinal cavity which extends for the length of said longitudinally extending sub-frame member and supporting means supported between said fore and aft cross bar sub-frame members.

In a catamaran having a rectangular frame, a pair of inflatable hulls, the improvement comprising:

• said frame being collapsible and including fore and aft cross bar tubes having lateral ends, a pair of longitudinally extending molded members extending between said fore and aft cross bar tubes, each said longitudinally extending molded member having a top surface and depending sides constituting an arcuate hull encompassing cavity below said top surface in each of said molded members, means for securing said hulls in said cavities when inflated, respectively, including fore and aft cross bar saddles molded in both said top surface, and at least one locating and retaining pin in each fore and aft cross bar saddle, each cross bar tube having a pair of lateral ends and locating apertures for receiving said locating and retaining pins in each lateral end, respectively.