Surfboard

Details Surfboard Surfboard

2002-06-17

2003-07-22

Morano, S. Joseph (Department: 3617)

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

C441S074000

Reexamination Certificate

active

06595817

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a surfboard, and more particularly to a surfboard with a connector to mount a fin on the surfboard.
2. Description of Related Art
With reference to
FIGS. 4 and 5
, a conventional surfboard in accordance with the prior art comprises board (
50
) and a fin (
54
). The board (
50
) has a front end, a rear end, a top surface, a bottom surface and a longitudinal axis from the front end to the rear end. The fin (
54
) has a broad base and a distal tip and is mounted perpendicular to the bottom surface of the board (
50
) near the rear end of the board (
50
).
The board (
50
) has a rectangular block (
51
) longitudinally mounted in the board (
50
) near the rear end of the board (
50
) and flush with the bottom of the board (
50
). The rectangular block (
51
) has a front end, a rear end and two parallel sides. A mortise (
52
) is defined longitudinally in each end of the rectangular block (
51
) and is aligned with the longitudinal axis of the board (
50
). Two threaded holes (
53
) are defined in the rectangular block (
51
). The two threaded holes (
53
) are defined in opposite sides, and each obliquely communicates with one of the mortises (
52
) in the rectangular block (
51
).
The fin (
54
) has two tenons (
55
) extending from base of the fin (
54
), which correspond to and are mounted in the two mortises (
52
) in the rectangular block (
51
). A recess (
56
) is defined in each tenon (
55
) to correspond the two threaded hole (
53
) that communicates with the mortise (
52
). The surfboard further comprises two setscrews (
57
) screwed into the threaded holes (
53
) and abutting the recesses (
56
) in the tenons (
55
) of the fin (
54
) to hold the fin (
54
) in place on the bottom of the board (
50
).
The conventional surfboard in accordance with the prior art has the following disadvantages.
1. The conventional surfboard only has two setscrews (
57
) to hold the fin (
54
) in place. Consequently, the fin (
54
) easily detaches from the board (
50
) after being subjected to the shocks and vibration of extended use.
2. The fin (
54
) has two tenons (
55
) inserted into the rectangular block in the board (
50
) so that the resistive force from the water is carried by the two tenons (
55
). Consequently, the two tenons (
55
) easily break because they are relatively small compared to the base of the fin (
54
).
The present invention has arisen to mitigate and/or obviate the disadvantages of the conventional surfboard.
SUMMARY OF THE INVENTION
The main objective of the present invention is to provide a surfboard with an improved fin and fin connection.
To achieve the objective, the surfboard in accordance with the present invention comprises a board, a fin connector and a fin. The fin connector is mounted in the board, and the fin is attached to the fin connector. The surfboard has two setscrews to hold the fin in place, and a bolt extends through the board into the fin connector and is screwed into the fin to strengthen the connection between the fin connector and the fin.


REFERENCES:
patent: 5133681 (1992-07-01), Lobe
patent: 5176096 (1993-01-01), Molnar et al.
patent: 5176553 (1993-01-01), Tuttle
patent: 5464359 (1995-11-01), Whitty
patent: 5493989 (1996-02-01), Anderson
patent: 5597337 (1997-01-01), Nedderman, Jr.
patent: 5997376 (1999-12-01), Block et al.
patent: 6068531 (2000-05-01), Patterson
patent: 6247985 (2001-06-01), Block et al.
patent: 6386933 (2002-05-01), Rewald et al.
patent: 6439940 (2002-08-01), Pouchkarev

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