B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/22
B63B 3/00 (2006.01) B63B 1/04 (2006.01)
Patent
CA 1234727
ABSTRACT The invention comprises a stepped bottom struc- ture of a boat, in which the step (5) are mainly stra- ight. The number of the steps is from 2 to 4, prefera- bly, 3, and the angle between the mainly straight edge (8) of the step and the keel (1) is from 20° to 60°, preferably from 20° to 45°. In addition, the bottom structure includes rising laths (10), in which the side (19) facing the keel (1) is narrower than the side (20) facing the side of the boat.
497128
Bereskin & Parr
Harilainen Eero
LandOfFree
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