Mast extender for a sailboat

Details Mast extender for a sailboat Mast extender for a sailboat

2006-02-21

2006-02-21

Sotelo, Jesus D. (Department: 3617)

Ships

Spars

Masts and masting

Reexamination Certificate

active

07000555

ABSTRACT:
A mast extender for extending a mast of a sailboat to a greater height. The mast extender includes a hollow tubular member having a distal end and a proximal end and being substantially elliptically-shaped. The distal end of the hollow tubular member includes a sealed end. The hollow tubular member includes the sealed end, a first curved side wall, a second curved side wall, curved end walls, and an interior wall surface for forming an interior mast compartment. The proximal end of the hollow tubular member includes a mast receiving opening having a watertight gasket fixedly attached to the interior wall surface and the watertight gasket is adjacent to the mast receiving opening. The first and second curved side walls include aligned fastening bolt openings. The mast extender further includes a fastening bolt extending through the fastening bolt openings and a hex nut for fastening the fastening bolt thereon. The mast extender also includes a distal tip end on an original mast for insertion through the mast receiving opening within the interior mast compartment; and the distal tip end of the original mast includes a tip opening for receiving the fastening bolt therethrough in order to detachably connect the hollow tubular member and the distal tip end of the original mast in a rigid manner for forming the mast extender for a sailboat.

REFERENCES:
patent: 438076 (1890-10-01), Hayden
patent: 4718369 (1988-01-01), Pollard
patent: 3714303 (1988-11-01), None

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