Ships – Spars – Masts and masting
Patent
1987-05-26
1989-02-21
Peters, Jr., Joseph F.
Ships
Spars
Masts and masting
248539, B63H 904
Patent
active
048055450
ABSTRACT:
A temporary mast support and storage structure for a detachable mast for a wind surfing board or the like having an attached sail and boom structure. The structure includes a first hollow, elongated cylindrical sleeve having a radially outwardly extending flange whereby the flange adapts the sleeve to be emplaced in sand or concrete and the flange being further adapted to be coupled with a vehicular mounted trailer hitch. A second hollow, elongated cylindrical sleeve having a radially outwardly extending flange is provided the radius of the cylinder of the second sleeve being lesser than the radius of the cylinder of the first sleeve such that the second sleeve fits within the first sleeve with the flange of the second sleeve overlying, at least in part the flange of the first sleeve. A plurality of stops on the surface of the flange of the first sleeve facing the flange of the second sleeve and a stop engaging projection on the surface of the flange of the second sleeve facing spacially outwardly such that the arcuate spacing of the stops limits the rotational movement of the second sleeve relative to the first sleeve by engaging the projection. The second sleeve being hollow receives the mast with sail and boom attached telescopingly therein.
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patent: 4669407 (1987-06-01), Cobb
patent: 4697534 (1987-10-01), Kettlestrings
Bartz Clifford T.
Peters Jr. Joseph F.
Swartwout, III Willis B.
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