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Class 114/104 - Reefing and furling


Subclass of Class 114 - Ships
Definition: Inventions for taking in or shortening sail.
No. of patents: 62
Last issue date: 01/26/2010


1    
NumberTitleIssue Date
7650846Mainsail reefing system
A mainsail reefing system comprises: a drum assembly including first and second coaxial drums for collecting luff-end and leech-end reefing lines, respectively; a drive mechanism for rotating the drum assembly; and a levelwind mechanism including a cam shaft configu...
01/26/2010
7325680Net holder for boats
A net holder for carrying a landing net has an upper housing in the form of a channel member with a downwardly disposed opening hinged at its rearward portion to the rearward portion of a lower housing in the form of a channel member slightly narrower than the upper...
02/05/2008
7275491Sail furling system with recirculating halyard
A sail furler with a recirculating halyard includes a foil having a longitudinal halyard channel and a longitudinal recirculating halyard channel formed within; and a halyard, having a first and second end, the halyard affixed at its first end to a slider, the slide...
10/02/2007
7059060Device for recording events and measuring growth in an individual's life
A device for recording both chronological events and physical growth events of an individual or group of individuals' lives. The device includes linear measuring device having at least first and second opposed sides. The first side has a linear measurement scale ins...
06/13/2006
6953000Universally compatible, semi-elliptical, vertically deployed sail system for wind—propelled vehicles
A comprehensive System of hoisted, universally compatible, semi-elliptical mainsails and self-tacking headsails. Reducing weight on deck and aloft and fully cockpit-controlled, self-boomed System sails replace cumbersome conventional genoas and rigid booms with self...
10/11/2005
6178906Spar for a sailboat
A spar for controlling downwind headsails is pivoted to headsail instrumentalities for stowage in an aerodynamic sleeve with the headsail. The spar and the headsail has preconnected lines for controlling the spar and headsail all stored within the sleeve....
01/30/2001
6173668Furling drum with fixed guard
A roller furling apparatus is disclosed having a bearing device configured to be rotatably fixed relative to a stay, a furler housing having an opening into which the stay extends and an end portion rotatably mounted on the bearing device such that the fu...
01/16/2001
6044785Sail banding device
A sail banding device for preventing a furled sail, in particular a spinnaker, from filling until the sail is fully hoisted. The sail banding device includes a pair of flexible elongate anchor straps coupled together. The anchor straps each have a plurali...
04/04/2000
5937779Single-hand sailboat having novel spinnaker raising and lowering system
A spinnaker raising and lowering system is provided for a sailboat. The system includes a first pulley mounted in a movable mounting. A second pulley contained in a mounting which is fixed to the deck of the sailboat. A third pulley contained in a mountin...
08/17/1999
5787830Sail slide
A track slide intended to be moved along a track, particularly a mast or boom, having a groove with an enlarged inner portion and a narrow slot defined by two opposite walls of the track. The slide comprises a central profiled member having an enlarged in...
08/04/1998
5787831Sail which can be rolled-up or reefed
A reefed sail including an inflatable luff chamber which forms an integral part of the sail and defines a reefing axis....
08/04/1998
5636584Lief furling system for gathering flexible material
A system for gathering cloth, intended for but not limited to sails. A web of vein lines (11) are connected a piece of flexible material in strategic positions depending on the size and cut of the cloth. These vein lines (11) are then lead through the bel...
06/10/1997
5632215Roller reefing boom system
A roller reefing boom system includes a mast track arrangement, a sail and a rig which permit the transfer of extremely high mainsheet tensions via the leech to the mast even with a minimum luff diameter without the luff unintentionally being pulled out o...
05/27/1997
5560311Arrangement for a boom on a sailing boat
The invention relates to an arrangement for a boom on a sailing boat which carries a sail capable of being wound onto a mast. Actuation of the sail is with a force F from a drive motor. In conjunction with this a rotatably driven screw accommodated within...
10/01/1996
5477799Unstayed sail with releasably engageable luff and leech
An unstayed sail for a water craft, such as a spinnaker, is provided with tapes along its luff and leech, which can be brought into contact with each other, for releasable engagement, solely by finger pressure. This permits the spinnaker to be prepared fo...
12/26/1995
5423274Sailboat
A sailing craft having a hull with a longitudinal midplane. A primary boom is pivotally mounted on the hull for 360° continuous rotation in either direction about a central vertical axis. The primary boom is connected by lines to a sail boom. At least on...
06/13/1995
5272996Surfboard sail
A surfing sail includes a basic sail, whose luff is attached to a mast associated in the usual way with a boom to the aft end of which is attached the clew of the basic sail and an auxiliary sail which serves reefing purposes. The auxiliary sail is triang...
12/28/1993
5231943Sail plan for sailing craft
A plan for a sail of a sailing craft such as a sailboat, an iceboat and a land yacht having a hull. At least one mast is mounted on an end of the hull and the mast angles upwardly over the hull. A boom is pivotably mounted approximately amidships of the h...
08/03/1993
5119750Sail dousing and flaking system
A system for dousing and flaking a sail is disclosed as including a plurality of sail-flaking devices and a douser line. The flaking devices are disposed at points spaced along the luff and the leech of the sail; and the douser line is affixed to one lowe...
06/09/1992
5080033Spinnaker launching and dousing device
A spinnaker of the type collapsed edgewise both laterally and vertically to furl the sail in which the furling line is attached to the top of the sail and the connections of the guy lines to the boat are released to allow the sail to blow freely from the ...
01/14/1992
5076187Sails away
A device for gathering in and folding the mainsail on the boom of a sailboat. Four battens are inserted into the slots of the batten holders, which are secured to the boom with fasteners, forming a cradle projecting out at 45° from vertical on both sides...
12/31/1991
5048443Sail handling system
The specification discloses a sail handling system having a series of lines interwoven through a sail, and lines passing through grommets on the sail to prevent the sail from falling freely down the mast and to stack the sail. The sail handling system has...
09/17/1991
4986205Self-flaking sail system
A self-flaking sail system is disclosed, including generally U-shaped shackles, each of which has a pair of legs joined by a bight portion, and having on their opposite ends, transversely aligned retainer receiving apertures, with a retainer pin extending...
01/22/1991
4967680Vertically zip-reefing sail
A zip-fastener on each side of a working sail, for example a mainsail, makes it possible to remove from the effective area of the sail an elongated triangular area with its apex at the top and one side of it disposed close to the luff. In one embodiment t...
11/06/1990
4951589Mainsail construction facilitating airflow thereover
An improved mainsail construction having a barrier extending laterally outward from the mainsail and the mainsail boom to prevent flow of air from the high pressure side to the low pressure side of the sail and thus improve efficiency thereof. The barrier...
08/28/1990
4895092Mainsail furling device for a sailboat
A mainsail furling device for a sailboat having a boom comprising a plurality of pairs of mounting brackets attached to the boom, each of the mounting brackets having a substantially L-shaped cross section and two connected approximately rectangular brack...
01/23/1990
4864952Marine sail system
Marine sail systems for controlling the folding or flaking of the sail during furling or reefing. The system includes a support line, a brailing line, a first mechanism connecting the brailing line to the sail in locations spaced generally along the leech...
09/12/1989
4844136Sail furler
A device for furling a sail comprising; a support structure, means for mounting the support structure to a boom of a sailboat; a retaining structure fixed to the support structure; and an elongated sail furling guide structure removably secured in the ret...
07/04/1989
4831949Spinnaker launching and dousing device
A spinnaker sail is furled by bunching the edges of the sail together edgewise and holding the edges in a compact bunch by a furling line. The spinnaker is unfurled by hoisting the spinnaker to the top of the mast, releasing the furling line, and pulling ...
05/23/1989
4788923Sailing craft
Sailing craft having a mast supporting a large sail; the mast is curved towards the prow of the craft, the large sail being attached to the mast on the same side as the convexity of the curve; the rigging comprises a jib, the hoist of which is connected a...
12/06/1988
4748926System for changing the outline of a sail being wound up to reduce its area
A sail maneuverable through the rotation of a rolling and unrolling structure to which the sail is anchored along an anchorage edge. A sheath surrounds the rolling structure and engages the sail at opposite sides along a coupling line spaced from the anch...
06/07/1988
4724787Device for furling a sail of a ship on a boom
This device for furling a sail of a ship on a boom (1) connected to a mast (2) by means of articulation means (3) and mounted so that it can rotate about itself, comprising means for driving the boom (1) in rotation (7) in order to furl the sail on the la...
02/16/1988
4723499Furling system for sailboats
A roller reefing system for use on the existing forestay of a sailboat such that it surrounds the forestay when installed and in use. The system includes a furling member which is composed of a plurality of indentical cross section members, each of which ...
02/09/1988
4702191Sail device
A sail device characterized in that a sail frame is formed of upper and lower horizontal beam members fixed horizontally to a mast and linealy bent at bending points, holding pillars that are rotatably supported at the above mentioned bending points by th...
10/27/1987
4688506Boat sail control system
System for controlling a boat sail as it is dropped, the sail being made of flexible material and being folded to lie when it is a mainsail, for example, on top of the boom of the boat. One or more control lines run parallel to the mast from the boom to a...
08/25/1987
4679520Mainsail reefing and furling device and method
A method and device for gathering a mainsail in a cavity within the boom as the sail is being lowered. The boom has a plurality of engaged rollers which draw in or let out the sail by tractive forces....
07/14/1987
4606292Apparatus for reefing sails on a boat and specially-designed boom including such an apparatus
Apparatus for reefing sails on a boat and specially-designed boom including such an apparatus. The hollow boom extrusion houses at least one traveler block with two pulley wheels, over which pass the reefing leech line and the reefing luff line. The appar...
08/19/1986
4546718Sailing ship
A sailing ship (1) has at least one mast (2,3,4) rigidly attached thereto, to which the yards (5 to 9) are rotatably attached. By an actuating shaft (21), the sail (22, 22a, 22b) can be reefed and, with the aid of a corresponding rope (24), it can be erec...
10/15/1985
4506620Sailboat having convertible rig
A sailboat comprising at least one mast, first and second pairs of primary half yards pivotally mounted on and vertically spaced apart along the mast for pivoting about the mast between first and second positions wherein the members of each pair extend fr...
03/26/1985
4503797Sail rolling and storing device
A device for rolling and storing a sail associated with a rolling boom, including a sheath of deformable material encircling the boom and provided with rigid edges defining a slit for passing the sail therethrough, wherein the sheath is carried by the boo...
03/12/1985
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