Boom-mast coupler for windsurfer

Details Boom-mast coupler for windsurfer Boom-mast coupler for windsurfer

1989-04-06

1991-04-16

Basinger, Sherman D.

Ships

Spars

Gaffs, booms, etc.

114 99, 114392, B63H 910

Patent

active

050073613

ABSTRACT:
An improved windsurfer apparatus includes a boom-mast connector having a collar portion which has a concave inner surface for receiving the mast of the windsurfer, an arch portion which is adapted for grasping by an operator, and a pair of projections having boom receiving sockets defined therein. The connector is of unitary construction, which makes it simple to use and inexpensive to manufacture. The inner surface of the collar portion is shaped so as to contact a mast at two separate contact areas, in a wedge-type fashion. The inner surface is further shaped so as to include upper and lower outwardly tapered contact surfaces, which permit limited pivotal movement between the connector and the mast, and facilitate a better grip between those two elements.

REFERENCES:
patent: 4319536 (1982-03-01), Schweitzer
patent: 4424759 (1984-01-01), Dolence
patent: 4448142 (1984-05-01), Pollard
patent: 4516873 (1985-05-01), Humble
patent: 4546720 (1985-10-01), Dumortier
patent: 4665852 (1987-05-01), Marker et al.
patent: 4671199 (1987-06-01), Prade
patent: 4704980 (1987-11-01), Fontannaz
patent: 4782780 (1988-11-01), Smith
Advertisement "Z-Boom" from Windrider magazine, May, 1988.

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