Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 4487147 | Continuous reefing system A sail is reefed by a single continuous reefing line which passes from the boom through a leech cringle then down parallel to the boom and then upwardly through a block affixed to a luff cringle. The reefing line then leads through a turning block near th... | 12/11/1984 |
| 4480570 | Mainsail furling mast assembly and mast construction therefor A mainsail furling mast assembly utilizes a mast having a cross section providing a C-shaped outer wall and a transverse wall defining a rearwardly opening compartment in which is disposed a furling element about which the mainsail may be furled. The open... | 11/06/1984 |
| 4479451 | Sail with air envelope and contour shaping parts A sail with a tubular portion is pulled over a mast and/or a stay of a sailing vessel. The tubular portion is inflatable through a sail mouth opening at the fore leech thus forming an air envelope of the sail due to the relative wind effects. A plurality ... | 10/30/1984 |
| 4474127 | Working sails and method for furling them while aloft Working sails are simultaneously furled and bagged by providing at the head of the sail a collapsed bag which is open at its foot end and has two forward edges each slidably attached to, e.g., a bolt rope on a different side of the luff, and by remote ope... | 10/02/1984 |
| 4469040 | Sailboat wing spar structure A sailboat hull and deck structure has a tubular bearing assembly fixedly supported by the hull and deck structure and a hollow mast is journaled by said bearing assembly and extends vertically upwardly therefrom. A sail for the mast has at least one sail... | 09/04/1984 |
| 4449468 | Adjustable roller furling spar An adjustable roller furling spar includes an elongated base member which is securable on a sailboat and an adjustable periphery assembly which is attached to the base member and coextends a distance therewith. The periphery assembly is adjustable to defi... | 05/22/1984 |
| 4388888 | Adjustable airfoil This invention relates to an adjustable airfoil which in one embodiment includes a pivotal mast having laterally extending spaced upper and lower arms. Between the arms is a vane which is rotatably mounted on the mast and has a luff slot at its aft end fo... | 06/21/1983 |
| 4365572 | Working sails and methods for furling them while aloft Working sails are furled remotely while aloft by progressively forming flexible sheet material along the forepart of the sail into a tubular bag containing the sail furled from leech to luff in such fashion that, when furling and bagging of the sail has b... | 12/28/1982 |
| 4357889 | Sail handling apparatus Sail handling apparatus comprises an elongate guide element, e.g. a rod or a cable, located along a path along which a tie locating an edge portion of a sail is required to move during sail handling operations. The tie is attached to the guide element by ... | 11/09/1982 |
| 4354444 | Sail handling apparatus Sail handling apparatus that includes a pair of aligned generally triangular panels secured along a boom and to a portion of the mast above the boom. The panels normally straddle the boom to define an open-topped, sail-receiving pocket. The sail can be lo... | 10/19/1982 |
| 4353702 | Sailing craft mainsail and auxiliary propulsion means therefor A configuration for a sailboat mainsail comprises a rotating wind-mill like sail structure mounted on a rotating pedestal base. The wind driven rotating sail delivers power to the sailboat propeller through a flexible driveshaft and transmission and thus ... | 10/12/1982 |
| 4343257 | Working sails and methods for furling them while aloft Working sails, typically headsails and mainsails, are furled while aloft by providing flexible sheet material extending along the sail from head to foot, at least preliminarily furling the sail from leech to luff, progressively forming the flexible sheet ... | 08/10/1982 |
| 4276033 | Sailing system A sail mounting frame extends upwardly from the hull of a boat and is constructed of a lower section and an upper section which rotate relative to each other about a first axis of rotation which extends generally vertically upwardly with respect to the hu... | 06/30/1981 |
| 4270477 | Device for the accelerated launching of light sails Device for accelerating the launching of light sails comprising a set of smooth rings encircling the furled sail at intervals along its length and an elastic spacing line extending between the rings and between the uppermost ring and the top of the sail.... | 06/02/1981 |
| 4262617 | Device for simplifying the setting and taking in of sails PCT No. PCT/SE78/00051 Sec. 371 Date July 9, 1979 Sec. 102(e) Date July 9, 1979 PCT Filed Oct. 5, 1978 PCT Pub. No. WO79/00272 PCT Pub. Date May 17, 1979 A device for simplifying the setting and taking in of spinnakers comprises a helix (7) which can be l... | 04/21/1981 |
| 4261276 | Sailing booms This invention relates to a boom, sail and sail attachment rig such as used in sailboats, iceboats, and other objects propelled by wind, and in particular to improved aerodynamic curvature of the sails whereby greater wind power is achieved.... | 04/14/1981 |
| 4164193 | Adjustable spinnaker header and rig therefor A spinnaker header and rig adapted to high performance racing sailboats for adjusting the height from which the spinnaker is flown, characterized by gear adjustable as to height along the forestay under control of a halyard and downhaul, and by a backhaul... | 08/14/1979 |
| 4116152 | Reefing apparatus for a sailing ship Reefing apparatus for a sail of a sailing boat makes use of a hollow boom for the sail. The boom has a lengthwise slit in the top extending over the length of the sail footrope and contains a tubular shaft which can rotate within the boom and to which the... | 09/26/1978 |
| 4116151 | Wind powered apparatus A wind-powered apparatus includes a series of vertically extending transversely curved foils carried in a support and movable longitudinally of the support from a furled condition, where the foils are bunched closely together and present a minimum surface... | 09/26/1978 |
| 4102289 | Device for setting and furling sails A device for setting and furling a light sail comprises an elongated nylon sleeve and a substantially rigid, funnel-shaped member having an inner end in substantial alignment with the sleeve and an outwardly flaring outer end. The funnel-shaped member has... | 07/25/1978 |
| 4026230 | Jib bag A generally triangular bag has a front edge provided with a separable fastener so that it can be enclosed around a compacted jib, around the jib hanks securing the luff to the jibstay, and around the lower portion of the jibstay. This bag is formed of a p... | 05/31/1977 |
| 4022144 | Sailing craft An apparatus for launching and retracting one or more sails of a sailing craft includes a reversible drive for rotating a drum. A rope or other elongated flexible element connects with movable parts of the one or more retractable sails and extends in a su... | 05/10/1977 |
