Marine propulsion – Oar or paddle – Support
Patent
1991-03-27
1992-07-07
Sotelo, Jesus D.
Marine propulsion
Oar or paddle
Support
B63H 1606
Patent
active
051278596
ABSTRACT:
Apparatus for propelling a boat in the direction in which the oarsman is facing using oars which are connnected to a support (80) at their innermost ends (18) so that they are movable rotatably in a horizontal plane, rotatably in a vertical plane and linearly up and down, and which are suspended above the water by a downward force from a compression spring (66) applied at a point inboard of a fulcrum (74) which is attached to the oar connection joint clevis (46) and which is supported by a horizontal bearing surface (72) on which the fulcrum (74) slides as the oar is moved.
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