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Class 114/90 - Masts and masting


Subclass of Class 114 - Ships
Definition: Inventions in masts, their material, form, construction,
No. of patents: 180
Last issue date: 04/05/2011


1          
NumberTitleIssue Date
7918175Mast track extension and pre-feeder for mainsail furling
A flexible mast track extension for use on sail boat mast permitting the luff of a sail bent to the mast to deflect from the line of the mast and facilitate the extension or retraction of a sail from a furling apparatus. ...
04/05/2011
7739973Masthead control system
A masthead control system and method are provided for a sailing vessel to reduce the number of cables running inside the mast to a single coaxial cable carrying power, control and data signals, and VHF radio signals. The coaxial cable connects an antenna directly to...
06/22/2010
7637221Sailboat
A sailboat has a preferably solid hull with lateral and longitudinal symmetry, a centrally located ring-shaped seat secured to a central portion of the top of an hull, a selectively rotatable carousel being mounted about an outer circumferential wall of said ring-sh...
12/29/2009
7614356Foldable mast assembly for a sailing vessel
As one non-limiting example, a foldable mast assembly for a sailing vessel is provided. The foldable mast assembly includes a lower mast section; an intermediate mast section having a lower end foldably coupled to an upper end of the lower mast section; an upper mas...
11/10/2009
7533623Sailing boats
A mast (1) is in the form of an egg-shaped closed loop that extends abeam of a hull (7). A main spar (2) is supported on the mast (1) and extends upwardly from a lower, fore position on the bowsprit (4) to a higher, aft position ab...
05/19/2009
7418911Trailerable sailboat with mast raising method
Important design features and methods of launching a trailerable sailboat are described. The trailerable sailboat is designed to allow transportation on overland highways and to provide a simplified method of raising the mast without the need for a crane. ...
09/02/2008
7341014System for lifting and lowering a sailboat mast
A system for one person raising and lowering the mast of a sailboat wherein the mast is less than about forty feet in length and in the down position the mast is laid horizontally along a median line of the hull of a sailboat. The system includes rigging to raise th...
03/11/2008
7337738Gate type vertical elevated mast
A vertically elevated gate mast with open front that is divided into multiple sections and is assembled section by section from bottom to the top. The first section is an integrated structure, and 2nd to nth sections are divided into a left part and a rig...
03/04/2008
7267073Wind direction indicator
The present invention provides a first axial support that allows of the weathervane to rotate and a second axial support that prevents the weathervane from becoming dislodged from the first axial support. ...
09/11/2007
7267065Sailing vessel with lateen sail rigging
A lateen rigged sailing vessel having a mast; a luffspar; a boom; a pair of lateral struts; and a lateen sail, has a lower end of the mast mounted forward on the vessel and positioned on the vessel's longitudinal center line in a canted fashion raked aft. The boom i...
09/11/2007
7232386Hockey stick
A composite hockey stick having a tubular hollow rectangular shaft and a blade is disclosed. The shaft comprises an inner layer and an outer layer, each of the inner and outer layers are formed of uni-directional substantially continuous fibers disposed in a hardene...
06/19/2007
7225590Brick tie
A brick tie for interconnecting a brick wall with a back-up wall comprised of a plurality of spaced apart studs and a wall board secured to the studs wherein each stud includes a pair of opposed side flanges and a web formed between the flanges. The brick tie includ...
06/05/2007
7213529Emergency sail system
An emergency sail system for disabled watercraft comprises a mast receptacle for interfacing with the watercraft structure and a multi-segmented main mast supported by the mast receptacle in a substantially vertical orientation and removable therefrom. A sail assemb...
05/08/2007
7144343Hockey stick
A hockey stick comprising a blade and a shaft adapted to being joined together. The blade portion having an upper portion and a lower portion and a face. The upper portion being comprised of a defined region having a reduced width dimension in a direction that exten...
12/05/2006
7137346Locking hinge for unstayed mast deployment
Stepping and un-stepping of a sailboat mast, of the un-stayed type that is supported only by a receptacle configured in the sailboat structure, are facilitated by a hinged core that is easily retrofitted into the foot of the mast. The core includes a two-part lockin...
11/21/2006
7097577Hockey stick
A hockey stick having a composite blade and a shaft is disclosed. The composite blade includes a heel section that is recessed relative to the front and back faces of the blade. The recessed heel section is configured to be received by a hockey stick shaft or an ada...
08/29/2006
7096812Aerodynamic headstay foil
A foil for the headsail of a sailboat for use with a headstay has an aerodynamic shape. It includes a headstay channel for containing the headstay, which may be snapped into place in the channel. The foil has a first and second sidewall, a forward wall, and two or m...
08/29/2006
7086420Multilayered elastomer hose with reinforcement layer consisting of sulfur-containing polymer material
The present invention relates to a multilayered elastomer hose comprising at least an inner layer, an outer layer and a reinforcement layer. To enhance the loadability of conventional elastomer hoses while maintaining the typical flexible structure, it is intended a...
08/08/2006
7011279Support device with flexible support arm
In a support device with a flexible support arm including a mounting structure for mounting the support device to a base, a support structure for engaging an article and a flexible support arm extending between the mounting structure and the support structure, the s...
03/14/2006
7001227Personal floatation and rescue device
The present invention is a device to be used in emergency situations requiring floatation and rescue. An inflatable raft with a waterproof cover is connected to a telescopic shaft equipped with electric generators and wind catchers. The electricity, which is produce...
02/21/2006
7000555Mast extender for a sailboat
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 seal...
02/21/2006
6959937Running board mounting bracket
A running board support assembly (200) for fastening a running board step (104) to a vehicle includes a support bracket (204) for engagement with the running board step, and a mounting bracket (202) for coupling the support bracket (20...
11/01/2005
6955023Unitary metal structural member with internal reinforcement
A metal unitary structural member for structural support. The member includes a plurality of web portions extending radially from each other and extending with each other in an axial direction, and a plurality of outer portions extending in an axial direction with t...
10/18/2005
6932010Sailboat with offset boom
A sailboat comprising a hull with a mast has a rotatable strut that supports a continuous boom and holds the boom far enough away from the mast to allow clear air flow over the sail on either tack. The support for the boom at the end of the strut is tubular to allow...
08/23/2005
6928774Enveloping body
The invention relates to a covering body for masts of construction cranes, electricity lines, or the like with an outer covering which is designed to partially or totally encase a mast in the direction of extension and/or peripheral direction and which furthermore h...
08/16/2005
6899047Mast and method of manufacturing a structural member for a boat
A mast for a sailboat and a method of manufacturing the mast or other structural member for a boat, which is produced in a female mold. Any augmentation of the deflection resistance of the structural member is provided by fabric-resin fabric added to the interior su...
05/31/2005
6836992Bird repelling device
A bird repelling device has an elongate housing having a slide chamber that extends longitudinally from a top end to a bottom end of the elongate housing. The elongate housing also has a cap positioned adjacent to the top end of the slide chamber. A plurality of rod...
01/04/2005
6817308Sailing rig with freestanding rotating aerofoil sectioned mast
A sailing rig including a freestanding, rotating aerofoil sectioned mast. The mast is elliptically curved and rotates about an aft slanted axis and the aerofoil section of the mast is tapered from the mast base to the masthead ...
11/16/2004
6708638Method and apparatus for lightning protection
The subject invention pertains to a method and apparatus for lightning protection. The subject method and apparatus can be utilized to provide lightning protection for a marine vessel, other structures near water, and/or land-based structures. In a specific embodime...
03/23/2004
6609471Sailing boat having mast force detection
A method of operating a sailing boat is provided, comprising detecting a force of a mast of a sailing boat on a mast step of a hull of the sailing boat, while the sailing boat is sailing across a body of water, and providing a reading of the force....
08/26/2003
6526901Retractable mast for sailboats
A retractable mast for sailboats. The mast, which retracts telescopically, comprises an inner core containing air sealed air chambers, either separated or coextensive, which are pressurized when the mast is fully extended. A compressed air bottle or air c...
03/04/2003
6520103Boom vang for sailing vessel
A boom vang system for sailboats has a rear facing pivotal cam cleat arm hingedly connected to a rigid tang on the sailboat mast. When the boom vang rotates off the centerline of the boat, as for instance will occur when the boat is sailing downwind and t...
02/18/2003
6457430Sailing assembly for small boats
Small boats such as kayaks, canoes, and skiffs that are normally not propelled by wind power are provided with apparatus of this invention that can enable the conversion to a sailing vessel. A mast is movable from a horizontal inoperative position to an e...
10/01/2002
6305497Mast ladder assembly
A mast ladder for going up the mast of a sailing craft having a mast with a sail slide extending along the length of the mast including a halyard slide, a plurality of connecting rods, a top step and a plurality of universal steps. The mast ladder is rais...
10/23/2001
6129033Pulley-or roller-type block with lock arrangement
A pulley- or roller-type block is provided with a lock arrangement. The block has a casing and a rolling unit mounted in the casing for clockwise and counterclockwise rolling. The rolling unit has a circumferential ring portion including a line-bearing su...
10/10/2000
6105526Apparatus for separating joined members and method therefore
An apparatus for separating mating cylindrical members, for example mating sections of a sailboard mast. The apparatus includes either a pair of support elements or a block element and a lever arm. Each of the pair of support elements and the block elemen...
08/22/2000
6092481Sailing rig
A windsurfer sailing rig includes a mast with a top mast extension. A swivel connection connects the extension to the top of the mast. In use, down haul tension for the mast is applied to hold the swivel connection downwards in position....
07/25/2000
6076634Mast ladder assembly
A mast ladder for going up the mast of a sailing craft having a mast with a sail slide extending along the length of the mast including a halyard slide, a plurality of connecting rods, a top step and a plurality of universal steps. The mast ladder is asse...
06/20/2000
6000354J.P.V.'s telescoping mast
A telescoping mast for conversion of a sailboat. A mast consisting of two portions--an upper telescoping portion which is journalled to telescope up from and retract down into the lower portion (trunk). The mast is located somewhat midst to forward of a s...
12/14/1999
5996521Large-scale columnar structure made of a fiber reinforced plastic
A large-sized columnar body made of a fiber reinforced plastics materials (FRP) has three layers A, B and C in this order, respectively formed by a fiber reinforced plastics material consisting of continuous fibers and a resin, wherein the reinforcing fib...
12/07/1999
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