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7762204 |
Retractable bowsprit for a sailing vessel
A bowsprit for a sailing vessel having a deck and a hull. A supporting member of the bowsprit has first and second opposing ends and is pivotably attachable to the deck such that the opposing ends...
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7762206 |
Universal water sport tow attachment and system
The invention disclosed herein is a universally adaptable, collapsible, adjustable boom designed for selective attachment and detachment to any configuration of a boat tower, and which provides...
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7591229 |
Forespar for a sailing vessel
A spar for a sailing vessel comprises an elongated member which projects upwardly at an oblique angle from the centerline of the vessel deck and defines a longitudinal axis of rotation. The...
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7565875 |
Jib boom
A sailboat having a free standing jib boom mounted on a stub shaft, which rotates about an axis coextensive with the jib stay. The boom may extend not only aft of the stub shaft but also forward...
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7278366 |
Method and apparatus for increasing sail efficiency
A method and apparatus for increasing sail efficiency is disclosed. The apparatus comprises a second sail, disposed in a second plane substantially perpendicular to the first plane, wherein the...
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6889623 |
Sliding keel sailboat with a hull with reduced rolling
A sliding keel sailboat of the type comprises a sailing hull, a mast and a sailing arrangement whereon aero-dynamic forces, apt to be transferred to the hull through the mast, push, the mast being...
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6857380 |
Sailboat spinnaker bowsprit
A retractable bowsprit for a sailboat is suitable for use with an asymmetrical spinnaker. A support element and a bowsprit positioner such as a track mounted within a hull of a sailboat allow the...
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6575108 |
Mast track slide for a sail
An arrangement for a sail for sailing boats to connect the sail to a mast (4) on the sailing boat by means of a number of mast track slides (6) distributed along one edge of the sail, which are so...
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6189471 |
Sailboats and methods
The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has...
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6085679 |
Sail boat jibe control system
A sail boat boom control system provides braking forces for restraining movement of the boom during down wind sailing or sailing with a quartering breeze. The system comprises a boom restrainer...
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6050209 |
Vangs
A vang for producing a desired tension in the mainsail of a yacht employs, in association with a multi-sheave block and tackle system conferring mechanical advantage, a valve releasable, variable...
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5799601 |
Camber inducer for wing-sail
A camber inducer for use with a double surfaced wing sail on various sail-driven craft such as sailboats, sailboards, ice boats, land sailors, hang gliders and the like. The camber inducer, in...
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5423276 |
Camber control sail system
An improved sail (20) is attached along its luff portion to a mast (26). A pair of control battens (34) extend across the sail (20). A forward camber control handle (36) attaches to the mast (26)...
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5390617 |
Boom brake
A boom brake for controlling the swinging motion of the boom of a sailboat includes a housing attached to the boom having two plates between which three bearing surfaces are mounted to engage a...
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5333567 |
Jibe controller
A device which limits the violent motion of a sailboat boom during jibing, comprising a passive resistance means which responds to violent or rapid motion and which is connected between the boom...
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5291844 |
Clew for a sailboard boom
A clew constructed from carbon fiber composite is provided for a sailboard boom, the clew having a pair of cylinders having longitudinal axes and connected together by a trapezoidal central flange...
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5193476 |
Lengthwise adjustable wishbone for sailboards
For locking the extension spars 3 to the main spars 1, with a lengthwise adjustment of the wishbone of a sailboard selected in correspondence with the size of the sail, the outer sleeves 9, loosely...
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5127351 |
Batten end fitting
A batten end fitting includes a coupling having slots therein for securely receiving slides mounted for movement in a mast track formed longitudinally in a mast and rollers rotatably mounted...
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5095838 |
Clew fitting for a boom
A sailboard boom clew fitting member comprising a pair of members (11 and 12) engagable with the ends of a pair of boom members of the boom. One member (11) having a transversely directed socket....
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5070802 |
Vang assembly for sailboats
A vang assembly is provided for manipulating a sailboat boom. The vang assembly includes a mechanical vang in the form of a resiliently flexible elongate column provided with an adjustment means in...
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5038699 |
Sail shaping arrangement for a sailing craft
A sail shaping arrangement is disclosed for horizontal edges of a sail including a web formed along one side in a curved shape corresponding to the desired camber of the sail, the web attached to...
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5007361 |
Boom-mast coupler for windsurfer
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...
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5003903 |
Fluid foil system
An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and...
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5000108 |
Wishbone-boom front piece for fastening a wishbone boom to the mast of a surfboard
A device for attaching the boom to different diameter masts includes a lever attached to a locking pin, which is received in a number of slots to enable circumferential adjustment.
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4886008 |
Frame spar for soft airfoils
A sloop comprising a mast in the form of an A-frame with its plane athwartships. The luff of the mainsail is supported by a mainstay which is a thin wire or rod running from the apex of the A-frame...
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4878448 |
Wishbone boom mounting for sailboards
Wishbone boom mounting for sailboards with a wishbone head section of a synthetic resin, integrally molded onto a curved pipe section of aluminum or synthetic resin for attaching the two spars of a...
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4825793 |
Sailboard boom end fitting and sailboard boom system
The present invention relates to a sailboard boom front end fitting and a sailboard boom equipped with the subject front end fitting, which fitting comprises a central flexible member flanked by a...
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4823720 |
Batten attachment
A batten receptacle for surrounding and firmly holding a batten and sail. The receptacle is adapted to be connected to a slide member by means of a rigid multiaxis of rotation joint. This unique...
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4815407 |
Rigging, in particular for a sail board
Rigging for nautical or terrestrial craft comprising a sail (1) integral with a mast hinged to the craft. According to the invention, the sail (1) is stretched onto symmetrical uprights (2) which...
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4798154 |
Coupling element of the boom to the mast of a small sailing craft
The invention relates to a coupling element between the mast and the boom of a small sailing craft, comprising rotating supports mounted on the boom to constantly maintain a face thereof against...
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4782780 |
Sailboard booms
A mast end boom mounting (10) for a sailing craft comprising a pair of members (11 and 12) hingedly interconnected and shaped to encompass a mast in closely abutting relationship, at least one of...
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4753183 |
Double boom rigged windsurfer
Wind propelled apparatus employing a mast and a sail, in particular a windsurfer for boardsailing is provided with a first boom, rigged in the usual fashion, and also having a second boom of...
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4733624 |
Flexible wing rib sail
A sail on a cylindrical mast provides an aerodynamically shaped leading edge automatically oriented into relative wind, and a smooth shape behind the mast automatically adjusting for changes in...
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4723498 |
Sailboat rigging
The invention relates to a novel sailboat rigging, in which two masts placed without shrouds in a common thwartships plane are joined at the masthead and each have a main boom. Both main booms have...
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4704980 |
Device for fixing the wishbone boom to the mast of a sailboard
The front body (2) has holes (3, 4) for receiving the ends of the wishbone boom, and an arched surface (7) intended to be applied against the mast. An arched clamping piece (9) is provided at each...
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4704979 |
Sail system
A sail system for a sailboat having a stayed, non-rotatable mast includes first and second booms, a single sail suspended from said masthead, the sail having a shape such that, with the vertical...
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4690086 |
Water sailing craft
A watercraft comprising a plurality of spaced-apart flotation members a corresponding plurality of elongate spar members, and a main mast. The spar members and the main mast each have opposite...
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4682557 |
Sailing wing
A sailboard with a wing-like sail pivoted to the top of a mast for free roll motion but constrained against pitch. The wing may have a leading edge flap. The wing is made from a sail stretched on a...
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4681052 |
Inhaul boom end for sailboard boom assembly
An inhaul boom end part for a sailboard boom assembly is molded integrally from plastic. The inhaul boom end part is generally V-shaped and includes a pair of tubular portions for attachment to the...
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4679518 |
Forked thill head attachment
A forked thill head attachment for installing a forked thill to a sail mast of a rigging comprises a forked thill head (1) which, in a top view, is constructed essentially V-shaped, and opposed...
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4674428 |
Varible outhaul wishbone boom for board sailor
A resiliently flexible wishbone boom comprised of a pair of boom sections attached to the pivotal mast of a sailboard. A sail located between the boom sections is attached by its leading edge to...
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4671199 |
Rig for a windsurfing board
The invention relates to a rig for a windsurfing board in which the clew (8) of the sail (2) prior to tensioning and trimming of the sail (2) is fixed in location in a stern fitting (10) of the...
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4669407 |
Body sail
A body sail device mountable around the body of a user for propelling the user through the water. The body sail includes an upstanding mast and a mounting member attachable on the body of the user...
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4665852 |
Device for securing a forked boom to the mast of a sailboard
A device for securing a forked boom to a mast and includes clamping elements, which engage the mast and are provided on a retaining member which at least partly surrounds the mast. The retaining...
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4653417 |
Wind propelled vessel
Sailboat has mast tiltable aftward as well as a thwartship when bottom of mast is shifted from central position on athwartship track. Above the track the mast connects with a pair of rigid supports...
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4646670 |
Sail system for sailboards, and boardsailing apparatus and method
An improved single-boom sailing rig for sailboards, and methods of use, are disclosed. A curved, rotatable boom (100) is provided with a forward end set at a slight angle with respect to the chord,...
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4630564 |
Boom control device for a sailboat boom
Arrangement for a boat (1) which has a boom projecting out from a mast (2) and designed to be connected to a sail, especially on a sailing boat (1). The invention enables the boom to be prevented...
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4598658 |
Arrangement for controlling the spinnaker of a sail catamaran
An arrangement for controlling a spinnaker of a sail catamaran having two hulls joined by beams, comprising a spinnaker boom to whose front end spinnaker and one end of a halyard are secured, the...
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4587916 |
Device for fixing the wish-bone of the sail-board to the mast in a fast and rigid manner
A device for fixing the wish-bone of a sail-board to the mast of this sail-board in a fast and easy manner. The device comprises a U-shaped element intended to be connected to the mast, this...
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4557212 |
Bearing systems for sailcraft gooseneck units
Bearing systems for gooseneck units used to hold booms onto the masts of sailcraft comprise a pair of substantially identical bearing members, except that the central longitudinal bore of one...
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