Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 6928774 | Enveloping 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 |
| 6805065 | System and method for reducing or eliminating sailboat heeling A system and method for reducing or eliminating heeling in sailboats of any hull design by allowing the mast and sail assembly to heel in a significant wind while the hull remains flat relative to the water. This system and method requires a mast able to rotate 360 ... | 10/19/2004 |
| 6609471 | Sailing 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 |
| 5974999 | Mast footing for a windsurfing rig A mast footing having a tensioning device for the leading edge with the components which provide for a reduction of force being attached to the mast footing such that they may be detached. When the sail has been correctly trimmed, i.e., with the leading e... | 11/02/1999 |
| 5556677 | Composite shaft structure and manufacture The invention provides improvements to a composite member that has a plurality of plies. The improved composite member has (1) an interior ply which functions to dampen or resist sudden forces exerted on the composite member, (2) an intermediate load-carr... | 09/17/1996 |
| 5476057 | Method and apparatus for structurally supporting and sealing a mast A sealing and supporting member for filling the gap between a keel mounted mast and the deck of a sailboat is produced by introducing a sealing compound in a fluidic state into the gap and allowing the sealing compound to cure and create the sealing and s... | 12/19/1995 |
| 5396856 | Sailboard The sailboard (1) adapted to receive on its upper surface a mast (2) adapted to support a sail and fixed by a mast foot (3) on the board (1), and foot supports (4) adapted to retain the feet of a user of the board (1) and located rearwardly of the board (... | 03/14/1995 |
| 5372080 | Motorized sail tensioner for windsurfing A motorized sail tensioner gives the sailor the ability to change the sail shape while sailing, permitting constant adjustment of the sail with only the touch of a switch, to adjust for wind gusts and lulls. It accomplishes this by using a small DC-batter... | 12/13/1994 |
| 5337691 | Mast track clutch assembly for sailboards A mast track clutch assembly allows the longitudinal position of the mast of a windsurfing sailing board to be adjusted by means of a foot pedal. The mast is attached to the clutch assembly, which is movable in a longitudinal track on the sailing board. T... | 08/16/1994 |
| 5209174 | Mast climbing apparatus for sailboats A mast-climbing assembly for enabling a person to climb a mast includes a pair of step-leg units, a plurality of hook brackets each securable to the mast, and a pair of hand hangers. Each of the step-leg units includes a step member and a leg member that ... | 05/11/1993 |
| 5188050 | Convertible mast assembly A convertible mast assembly (10) for employing a windsurfing sail assembly (200) on a sailboat (100) having a drop-in mast receptacle (101); wherein, the mast assembly (10) comprises a receptacle unit (11) which fits in said drop-in mast receptacle (101);... | 02/23/1993 |
| 5188872 | Composite structural member with high bending strength A composite member (10) features a unique ply geometry which contributes to improved bending strength. The composite is constructed of a plurality of plies, each comprising a fiber component disposed within a polymer matrix. An inner ply (16) has a fiber ... | 02/23/1993 |
| 5176091 | Sailboard pontoon and mast rigging assembly A pontoon and mast rigging assembly for a sailboard. Four pontoons are arranged laterally about the sailboard hull and attached thereto by means of individual outriggers. Individual elastic straps interconnect each pontoon with a mast top mounted above an... | 01/05/1993 |
| 5158035 | Portable collapsible boat A portable collapsible boat comprises a body formed of a bottom and a pair of sides which are integrally molded with the bottom. The sides are elastically flexible so as to be foldable to horizontal positions overlying the bottom, and unfoldable to uprigh... | 10/27/1992 |
| 5120070 | Adjustable windmobile The adjustable windmobile allows the mobilist to maintain a stable center of gravity by manually adjusting both the seat and mast to their respective opposite sides when the direction of motion of the windmobile is reversed. Both the seat and mast base ar... | 06/09/1992 |
| 5097781 | Mast boot A mast boot includes a flexible cover for encircling a mast mounted in a mast collar in a deck opening on a sailboat having a lower edge to be positioned around the mast collar and an upper edge to be positioned around the mast above the mast collar and o... | 03/24/1992 |
| 5060590 | Sailing apparatus A wind propelled apparatus in which a mast is mounted on a craft and supports an arcuate boom and a sail therebetween. The position of the mast and sail is controllable and maintained directly by the user and the movement of the mast during use, is confin... | 10/29/1991 |
| 5044410 | Automatic latching swinging mast mount The foot of the mast of a sailboat is secured to a heel component which, in turn, is swingably mounted in a base component. The base component is stationarily mounted on the sailboat hull such that the mast is swingable between a generally horizontal posi... | 09/03/1991 |
| 4964825 | Composite aquatic board and manufacturing method An aquatic board construction for sail boards, surf boards and the like has shaped upper and lower sections which are joined together with a generally hollow interior. Each section has a sandwich construction with high strength outer and inner skins, and ... | 10/23/1990 |
| 4958581 | Sailboard apparatus A sailboard has a force responsive device connected to its mast for providing first and second output signals corresponding to the shearing forces acting between the mast and the sailboard in the longitudinal direction of the sailboard and in the transver... | 09/25/1990 |
| 4951588 | Sailboat mast deck sealing assembly A sail boat mast deck sealing assembly to provide a watertight seal between the mast and the boat deck is described. The assembly comprises a rigid flange member or collar formed in the same shape as the mast which is usually non-circular. The flange memb... | 08/28/1990 |
| 4945846 | Shock absorber unit for sailboards The present invention provides a shock absorber unit for use on sailboards to absorb detrimental vertical forces generated during sailing in rough water. The unit replaces existing flexible solid rubber universal joints with a joint comprising a pressuriz... | 08/07/1990 |
| 4934299 | Camlock windsurfing mast foot A mast foot assembly for adjustably and releasably holding a mast to a mast track disposed on a surface of a sailing device. A base member is disposed on the upper surface of the mast track and has a pair of first bores at respective ends thereof disposed... | 06/19/1990 |
| 4838189 | Mast attachment for quick connect and disconnect A readily detachable and fully rotatable coupling between a mast and sailboard is described, comprising a male portion with a circumferential groove, and a female portion with a recess to receive the male portion, and spring-biased tongues extending into ... | 06/13/1989 |
| 4766830 | Boat, especially a catamaran, with large deck space and collapsible frame A boat, especially a catamaran, having a rectangular collapsible frame with a one-man mast stepping structure. The tubular frame is comprised of fore, aft and central sub-frame assemblies which can be collapsed so as to be easily car topable and serve as ... | 08/30/1988 |
| 4718367 | Mast step assembly A quick-connect mast step assembly has a round main body bolted to the surface of a sail board wherein the upper surface of the body has a T-slot for receiving a mast shoulder bolt and a plug associated with the T-slot which, when rotated, prevents diseng... | 01/12/1988 |
| 4706590 | Deck mounted lateral mast rake adjuster A sailing vessel is disclosed in which a mast is pivotally connected to the hull at the lower end thereof and an athwartship structure is provided in the form of a support rigidly mounted to the hull and transverse thereto to guide the mast athwartship. T... | 11/17/1987 |
| 4700649 | Apparatus for changing the mast of a sailboard The device for adjusting the mast of a sailboardcomprises a slide (4) accommodating the mast foot via a rubber joint (7) and a safety coupling, this slide being guided adjustably and lockably on a profiled rail (1) countersunk in the sailboard (3) in the ... | 10/20/1987 |
| 4679516 | Sailboard assembly having a limited diplacement mast A sailboard assembly is disclosed which has a body on which the user stands, a mast, boom and sail assembly for propulsion of the board. The mast-boom-sail assembly is mounted to the board by a mast mounting assembly which permits limited angular displace... | 07/14/1987 |
| 4655154 | Collapsible mast assembly A collapsible mast assembly for a sailboat includes a mast support which is mounted on the boat deck for supporting the lower end of the mast. The support includes upstanding side walls and a lower rear wall to which the boom is attached. A mast plate is ... | 04/07/1987 |
| 4653416 | Sailboard Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings having substantially parallel leading edges (6, 7), the two ... | 03/31/1987 |
| 4635578 | Device for the erection of the mast of a sailing board A device for the erection of the mast of a sailing board adapted for use in the sport of windsurfing includes an articulated joint in which separate members are kept coupled together by means of a system comprising a flexible rope and a spring, where a di... | 01/13/1987 |
| 4630562 | Adjustable mast step A mast step is mounted on a traveler having two parallel linear bearings which ride in lateral grooves on a central track. The central track has downward enlarged vertical holes on 2-inch centers which hold detent balls. The detent balls are locked in the... | 12/23/1986 |
| 4624208 | Mast supporting structure A mast supporting structure for an inflatable dinghy including a pair of stringers for connection to the floor of the dinghy, a mast receiving tube adapted to receive the lower end of a mast, a transverse support member resting on the floor of the dinghy ... | 11/25/1986 |
| 4579074 | Mast step assembly A quick-connect mast step assembly has a round main body bolted to the surface of a sail board wherein the upper surface of the body has a T-slot for receiving a mast shoulder bolt and a plug associated with the T-slot which, when rotated, prevents diseng... | 04/01/1986 |
| 4573423 | Device for adjusting the step of the mast of a sailboard or similar Device for adjusting the step of the mast of a sailboard or similar, characterized in that it comprises a slider receiving the foot of the mast, the slider being associated with a slide which may be secured to the hull of the board, a friction locking mea... | 03/04/1986 |
| 4558655 | Sail unit for the purpose of sport and composite device related to said unit Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings having substantially parallel leading edges (6, 7), the two ... | 12/17/1985 |
| 4527499 | Adjustable mast step A mast step is mounted on a traveler having two parallel linear bearings which ride in lateral grooves on a central track. The central track has downward enlarged vertical holes on 2-inch centers which hold detent balls. The detent balls are locked in the... | 07/09/1985 |
| 4526120 | Mast base structure for a sailboard The invention refers to a mast base structure for a sailboard including a connecting member located below a mast base lower section supporting a universal joint. The connecting member forms the connection between the mast and the sailboard. This connectin... | 07/02/1985 |
| 4506619 | Wing sail drive system A hydraulic drive system for a wing sail on a vessel, comprising a rotatable frame at the base of the mast and hydraulic cylinders connected between the frame and the ship's structure to cause rotation of the frame in either direction through a limited an... | 03/26/1985 |
