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US 2019/0193819 A1Published application
Edge rails in a surfboard
OwnerGianfranco Gasparroinventor
Life of this patent
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Abstract
A surfboard having laterally opposed pairs of axial or lengthwise grooves with the pair forming opposed rails of greater stiffness and reduced mass. At least one of the grooves of each pair is at a board edge extremity and the other groove is nearby, preferably near or on the lower side of the surfboard. The grooves may be laid up with epoxy or fiberglass.
Claims19
A surfboard comprising:
- a floatation board having a nose and a tail at lengthwise ends and with a thickness defining opposed lateral edges, with the board capable of supporting a person in water;
- and
- a pair of parallel spaced apart grooves on each later side of a surfboard, with a first of the pair of grooves being a concave indentation in a lateral edge of the board and a second of the grooves being less than 10 cm away from the first groove.
A control and floatation improvement for surfboards and the like comprising:
- a first concave groove at the first edge of a surfboard;
- a second concave groove at least partly parallel to the first concave groove but slightly spaced therefrom, the first and second concave grooves forming a first edge rail for the surfboard;
- a third concave groove at a second edge of the surfboard;
- and
- a fourth concave groove at least partly parallel to the third concave groove but slightly spaced therefrom, the third and fourth concave grooves forming a second edge rail for the surfboard in symmetric relation to the first edge rail.
2 more elements
Dependencies are inferred from the claim text.