Patent ID: 8167667

Claim:
A watercraft for transportation and exercise comprising: a first buoyant pontoon having a front portion and a rear portion; a second buoyant pontoon having a front portion and a rear portion, the second buoyant pontoon being spaced to one side of the first buoyant pontoon; wherein the first and second buoyant pontoons are partly above and partly below a waterline when in a body of water; a first brace member operatively attached to the a first buoyant pontoon towards the front portion thereof; wherein the a first brace member is operatively attached to the a second buoyant pontoon towards the front portion thereof; a second brace member operatively attached to the a first buoyant pontoon towards the rear portion thereof; wherein the second brace member is operatively attached to the a second buoyant pontoon towards the rear portion thereof; a seat operatively and vertically adjustably attached to the rear brace member for supporting the buttocks of a person, the seat having a first position wherein the person's buttocks are above the waterline and a second position wherein the person's buttocks are below the waterline, the seat having a front and a rear, a forward direction of movement of the watercraft through the body of water corresponding to a direction from the rear of the seat to the front of the seat, a rear portion of the person's buttocks of the person sitting on the seat being closer to the rear of the seat than to the front of the seat; and a propulsion device operatively attached to the seat and being disposed below and forwardly of the seat by a distance permitting contact of the person's feet for propelling the watercraft forwardly in response to movement of the person's feet.