Class 114/143 - Rocking

Subclass of Class 114 - Ships
Definition: Keel structures that are adapted to rock or swing upon pivots
No. of patents: 32
Last issue date: 05/10/2011

Number	Title	Issue Date
7938076	Keel mechanism for sailboats A keel (1) mechanism for a sailboat (10), wherein the keel (1) comprises a drive mechanism for moving the keel (1) linearly along the axis (x) extending from the fore end to rear end of the sailboat (10), and swinging the keel arou...	05/10/2011
7900570	Roll motion damping device for a floating body The present disclosure relates to techniques for reducing roll motion experienced by a floating vessel. The disclosure reveals several different techniques for damping roll motion, which may be used alone or in conjunction to stabilize a floating vessel. A typical d...	03/08/2011
7784417	Sailboat with a canting ballast system A sailboat includes a canting ballast system configured to rotate with respect to a hull. The sailboat includes the hull having a port side and a starboard side, and an external surface. An arcuate member is coupled to the starboard and port sides extending above th...	08/31/2010
7500440	Roll motion damping device for a floating body The present disclosure relates to techniques for reducing roll motion experienced by a floating vessel. The disclosure reveals several different techniques for damping roll motion, which may be used alone or in conjunction to stabilize a floating vessel. A typical d...	03/10/2009
7200973	Wire reinforced thermoplastic coating A structural reinforcing layer made from wire, a structural reinforcing composite layer made from wire, and the resulting load bearing structures made from or retrofitted with wire reinforced plastics and cements. Said layers and structures made from monofilament me...	04/10/2007
7128010	CBTF sailing yacht appendage retraction system A canting ballast twin foil (CBTF) sailing yacht constructed according to the invention includes a sailing hull, a laterally moveable ballast suspended beneath the hull that provides a counter heeling force when the yacht is underway, and fore and aft foils that pro...	10/31/2006
6951180	CBTF sailing yacht main engine drive system A canting ballast twin foil (CBTF) sailing yacht constructed according to the invention includes a sailing hull, a ballast, a ballast-supporting structure, and an onboard ballast drive system. The ballast drive system moves the ballast in order to vary the counter-h...	10/04/2005
6923131	Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move...	08/02/2005
6916220	Removable fin system A pivotal fin system, for use with an aquafoil, such as surfboards, body boards, wave skis, sail boards, wake boards and the like, comprising a pot (3) and a fin (2), having a tab (18) extending from the base (17) of the fin (2). T...	07/12/2005
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 integral with a pivoting structure which can swing around a pivoting ...	05/10/2005
6789489	Sailboat with gimbaled mast and keel A modified mast and keel system for a sailing vessel. The mast is gimbaled to the hull, so that it can move in a pitch roll. A downward extension of the mast pivotally connects to a winged keel. An aft strut also pivotally connects to the hull and pivotally connects...	09/14/2004
6338308	Device for moving and controlling the keels of sailing yachts This invention provides a keel device for moving and controlling the keels of sailing yachts, in which each of the keels, which preferably are positioned one behind the other, can be swung out to either side by max. 90°. It is the object of the invention...	01/15/2002
5996519	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 a longitudinal axis extending along its center. A mast is ...	12/07/1999
5967074	Keel for sail ships A sailing yacht, in addition to its ballast keel (2), has at least one winged keel ( ) which optionally also carries ballast. Both ballast keel (2) and winged keel (1) are mounted to swivel on the hull of the sail ship around an axis aligned essentially i...	10/19/1999
5934214	Method of sailing a boat, and sailing vessel A sailing method and a sailing boat (1) are designed for low or even non-drift sailing, wherein the total power provided by the sail (5) is established, after which the keel (3) is adjusted in terms of its effective surface and/or its curvature and/or the...	08/10/1999
5280760	Sailing craft A sailboat apparatus includes a hull having a bottom, bow and stern portions along with a central portion and at least one mast for supporting a sail extending above the hull. The mast is mounted to the hull for side-to-side movement relative to the hull....	01/25/1994
5179906	Watercraft A watercraft in which a beam having a seat for the user is supported by two stanchions pivotally connected to a support frame below the beam. A float elongated in the direction of travel of the watercraft is provided on an upper part of the frame below th...	01/19/1993
5163377	Sailing yacht High performance sailing yacht designs are disclosed based on a keelless sailing yacht concept having fore and aft cambered foils for leeway control which foils replace the function of the standard keel. A keelless sailing yacht of this type is disclosed ...	11/17/1992
5152238	Split-hinged, winged, self-cradling shallow draft keel for sailing vessel A sailing vessel is disclosed having a segmented winged keel made up of a pair of L-shaped keel members which are independently swingable toward and away from one another. When in their normal, side by side, closed positions, the keel members define an in...	10/06/1992
5009178	Self activating keel A keel system for small sailboats. The keel system being comprised of two fins (20P) and (20S) that are allowed to swing on pivots (24) independently, between the hull on which they are mounted and a limiting surface (25). The deployment of fins (20P) and...	04/23/1991
5003904	Keel assembly A keel assembly for a water craft. The keel assembly has a body having an aerodynamic cross section with a pair of side faces and a leading edge section. A portion of the leading edge section is movable relative to the body. A pair of vanes are spaced fro...	04/02/1991
4970979	Sailing yacht A sailing yacht having a hull and a sectional mast holding a sail, is equipped with a canard rudder and two rolling keels. Each rolling keel has a ballast container. A three point wing system is formed by wings carried by the canard rudder and by the two ...	11/20/1990
4867089	Structural system for inclining sailboat masts to windward The present invention relates to a structural system with which the mast of a sailboat can be forced against the wind and inclined to windward. This is accomplished with a new sailing element, a so-called "dolphin". The invention makes it possible to sail...	09/19/1989
4817550	Stabilizing system for vehicles and method for using same A stabilizing system for vehicles such as sailing craft, ice craft or racing cars that are periodically subject to lateral forces that tend to heel or roll such vehicles, the stabilizing system having a ballasted member laterally movable and positionable ...	04/04/1989
4686922	Swing wing keel A laterally extending hydrofoil wing is supported in pendulum fashion in a cutout section of a planar keel of a sailing vessel. The pendulum support, in combination with the distribution of mass in the swing wing attempts to maintain the plane of the wing...	08/18/1987
4453484	Hull of a boat, provided with keel and rudder A hull (8) of a boat, having a keel (9) and a rudder (10). Both the rudder and the keel can be swung about an axis (14) extending in the longitudinal direction of the hull....	06/12/1984
4377124	Sailboat with an inclinable keel board The invention relates to a sailboat with a keel board that is inclinable sideways. A single keel board is resiliently inclinable due to the effect of the water which rotates it about an axis disposed substantially in the vertical plane of longitudinal sym...	03/22/1983
4352335	Yacht keels The invention provides a keel comprising two mutually inclined fins 1, 2 which are movable relative to a hull on which the keel is mounted and means such as releasable ratchet devices 31, 32 for locking the fins in any of a plurality of positions relative...	10/05/1982
4117797	Mast and keel movement for sailing vessels A sailing vessel having a mast upstanding from the hull and connected to be free to tilt on the hull about a longitudinal axis, and a keel depending from the hull and also connected to be free to tilt on the hull about a longitudinal axis, the mast and ke...	10/03/1978
4094263	Heel compensation system An improved heel compensation system for use with a sailboat wherein the lateral mast stays or shrouds extending from a pivotally supported mast are directed by a plurality of pulleys to articulate a pivoted heel ballast....	06/13/1978
4044703	Sailboat control apparatus A sailboat pivotally carries a pair of weighted complementary shaped keels for independent rotation about a common longitudinally directed medial hinge axis for influencing the roll, moment of inertia and draft of the boat. The keels are independently sup...	08/30/1977
3972300	Sailing craft A sailing craft having a one-piece hull design with a unitary mast, keel and ballast assembly that is mounted on the hull of the craft so that the mast, keel and ballast assembly can rotate independently thereof to permit the hull of the craft to float fr...	08/03/1976

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Class 114/143 - Rocking