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US 2010/0210158 A1Published application
Watercraft which can be propelled by human power
OwnerYves Coffournicinventor
Life of this patent
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Abstract
The watercraft includes: an open rigid frame having a concavity, two rigid oblong floats (11, 12) respectively fastened at the two ends of the frame, extending transversely with respect to the frame, on either side thereof, so as to offer a user a grip for his hands, and seat element (7) serving to support a user positioned astride. The frame is tubular and provided in its lower part with at least one water access orifice (8, 9, 10) and in its upper part with at least one vent (E1, E2) enabling the frame to fill at least partially with water and act as a ballast.
Claims22
A watercraft which can be propelled by human power comprising:
- a rigid frame (30) having a shape defining a concavity,
- two rigid oblong floats (11, 12) respectively fastened to the two ends of the frame, these two floats (11, 12) extending transversely in relation to said frame, on either side thereof, so as to offer a user a grip for his hands, and
- seat means (7) serving to support a user positioned astride in said concavity,
- characterized in that said frame is tubular and comprises, in its lower portion, at least one water access orifice (8, 9, 10) and in its upper portion, at least one air passage orifice or vent (E1, E2) provided such that, when the craft is in the water, the frame fills at least partially with water and the water contained inside the frame acts as a ballast.
1 more element
Dependencies are inferred from the claim text.