Self-leveling boat trailer

A self-leveling boat trailer comprising:

• a support platform adapted to receive the hull of a boat;
• a tongue assembly, pivotally mounted to a first end of said support platform and adapted to be coupled to a vehicle;
• a wheeled undercarriage, pivotally mounted to said support platform;
• flotation means disposed at a second end of said support platform of sufficient buoyancy to cause said second end of said support platform to float upon immersion into water;
• and
• means for pivoting said tongue assembly in response to the flotation of said second end of said support platform whereby said first end is lowered and said support platform is maintained in a level position.

A self-leveling boat trailer comprising:

• a support platform having a bow end and a stern end and adapted to receive the hull of a boat;
• a frame including a tongue assembly adapted to be coupled to a vehicle and having at least one pivoting mounting point adapted to receive and pivotally mount said support platform at a selected point intermediate said bow end and said stern end;
• and
• flotation means disposed at the stern end of the support platform of sufficient buoyancy to cause said stern end of said support platform to pivot upward and float upon immersion into water and said bow end to pivot downward in response to said flotation of said stern end whereby said support platform is maintained in a level position.