EP0319591A1 - Segelboot - Google Patents

Segelboot Download PDF

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Publication number
EP0319591A1
EP0319591A1 EP88906044A EP88906044A EP0319591A1 EP 0319591 A1 EP0319591 A1 EP 0319591A1 EP 88906044 A EP88906044 A EP 88906044A EP 88906044 A EP88906044 A EP 88906044A EP 0319591 A1 EP0319591 A1 EP 0319591A1
Authority
EP
European Patent Office
Prior art keywords
mast
sail
hull
members
stay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88906044A
Other languages
English (en)
French (fr)
Other versions
EP0319591A4 (de
Inventor
Yukimasa Hori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62160359A external-priority patent/JPS644596A/ja
Priority claimed from JP63062861A external-priority patent/JPH01233197A/ja
Application filed by Individual filed Critical Individual
Publication of EP0319591A1 publication Critical patent/EP0319591A1/de
Publication of EP0319591A4 publication Critical patent/EP0319591A4/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/08—Connections of sails to masts, spars, or the like
    • B63H9/10—Running rigging, e.g. reefing equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B2015/0016—Masts characterized by mast configuration or construction
    • B63B2015/0033—Multipodded masts, e.g. tripod-type

Definitions

  • This invention relates to a sailboat, especially to the turning mechanism of the sail.
  • the overall objective of this invention is to propose a sailboat equipped with stays capable of being turned.
  • the sailboat of this invention is characterized in that: it has a sail support means which extends upward from the hull and stretches out the sail, and a stay which supports said support means on the hull; a circular guide track is mounted horizontally on the hull; a moving member is engaged with said guide track so as to be circularly moveable along the guide track; and the lower end of said stay is joined to said moving member.
  • a circular guide track 24 is mounted horizontally on the deck 22 of the hull 20 of the sailboat.
  • the guide track 24 has an inner peripheral channel 26 and an outer peripheral channel 28.
  • a pair of fore moving members 30 and a single aft moving member 32 are engaged in the guide track 24 in the guide track 24 in the guide track 24 in the guide track 24 in the guide track 24.
  • Fig. 3 it is possible to position multiple spare moving members 34 engaged with the guide track 24 between the moving members 30 and 32.
  • the spare members 34 can be substituted for the moving members 30 and 32 at appropriate periods, and also, in times of strong winds, reinforcement stays (not shown) for the mast can be connected to these spare members 34.
  • Adjacent moving members can be connected with rods 36 in order to maintain uniform distances between all of the moving members.
  • the fore and aft moving members 30 and 32 are positioned at the apexes of an isosceles triangle.
  • the moving members 30, 32, and 34 all have essentially the same structure, and an enlarged view of a fore moving member 30 is shown in Fig. 2.
  • Each moving member consists of an upper part and a lower part.
  • the upper part includes a horizontal disc 38 and a pair of eyeplates 44 which extend upward from that disc.
  • a pin 46 is passed through the eyeplates 44 and held in the eyeplates 44 by a nut (not shown).
  • the lower part of the moving member includes a horizontal disc 40, and a pair of feet 50 extend downward from that disc.
  • a wheel 52 having a horizontal axle is provided on the inside of each of these feet 50.
  • Each of the wheels 52 is rotatably engaged in either the inner or outer channel 26 or 28 of the guide track.
  • the upper and lower discs 38 and 40 are secured together by multiple bolts 42 and nuts 43.
  • the relative angle of the upper and lower discs 38 and 40 is adjusted so that the axes 47 (Fig. 3) of the pins 46 of the two fore moving members 30 are aligned before the discs are bolted.
  • tough rubber or a spring (not shown) can be inserted between the two discs 38 and 40.
  • springs can be inserted between the bolts 42 and the nuts 43.
  • the mast 54 is comprised of a pair of fore stays 56 and a single back stay 58 all secured together at the top.
  • the lower end of each of the fore stays 56 and back stay 58 is hinged-connected by the pin 46 (Fig. 2) of one of the fore moving members 30 and aft moving member 32, respectively.
  • the fore stays 56 and back stay 58 are secured together by three pairs of spars 60.
  • a horizontal stage 6 1 is secured near the lower ends of the fore and back stays.
  • an upper yard 66 and a lower yard 68 are secured to the fore stays 56, or supported slidably.
  • the aft moving member 32 is in the aftmost position.
  • a port sail 72, and a starboard sail 74 are stretched between the upper and lower yards 66 and 68 so that they are positioned between and to each outward side of the fore stays 56, respectively.
  • FIG. 4 A detailed view of the means used to unfurl the sails is shown in Fig. 4.
  • Multiple rings 67 are guided by a guide wire 65 strung between the upper and lower yards 66 and 68.
  • Multiple bars 69 mounted in the lateral direction to each of the sails 70, 72, and 74 are coupled to the corresponding rings 67.
  • Multiple unfurling lines 71 (only one is shown) attached to the topmost bars 69 are routed through multiple pulleys 73 mounted to the upper yard 66 and wound around a winch (not shown) on the stage 61 (Fig. 1).
  • multiple furling lines 75 attached to the topmost bars 69 are also wound around the same winch.
  • the sails can be furled and unfurled smoothly along the guide wires 65 without flapping, even in the turbulence of strong winds.
  • multiple blocks 62 mounted at intervals along the back stay 58 each have multiple guide pulleys 64.
  • Yard camber control lines 76 are connected to both ends of the upper and lower yards 66 and 68. The upper and lower lines 76 are routed through the pulleys 64 of the . respective uppermost and lowermost blocks 62 on the back stay 58 and then led to a winch (not shown) on the stage 61.
  • sail edge control lines 78 and 80 are connected to the right and left edges, respectively, of each of the sails 70, 72, and 74.
  • the lines 78 and 80 at each position are routed through the guide pulleys 64 of the intermediate block 62 and then led to reels 82 and 84, respectively. on the stage 61.
  • the sail edge control lines 78 and 80 for the middle sail 70 are routed to the outside of the two fore stays 56, while the starboard control lines 78 for the port sail 72 and the port control lines 80 for the starboard sail 74 are routed to the inside of the fore stays 56.
  • Fig. 8 shows a simplified illustration of the method used to lower the mast 54.
  • the sails are furled or removed. If the upper yard 66 (Fig. 1) is capable of sliding, it is slid down.
  • the moving members 30 and 32 are lashed to the deck by using eyes and ropes (not shown).
  • the pin 46 of the aft moving member 32 is pulled out and the pins 46 of the fore moving members 30 are used as fulcrums to lower the mast 54.
  • the mast 54 can be lowered safely by gradually slackening the aft line and winding up the fore line.
  • the lowermost spars 60 act as a lever, and the mast is lowered safely.
  • a tall mast can be freely rotated together with the sails and yards, and, when necessary, the mast can be folded downward. Because the gaps between the separately stretched sails are controlled, they are gapped square-rigged sails for which, using the same action as the high-lift devices, i.e. the slats and flaps, of an airplane, there is no loss of speed, i.e. separation of the air flow, even at large angles of attack.
  • the sails can be formed in an ideal wing shape having rounded front edges and sharp rear edges.
  • Figs. 9 and 10 show a means for using the action of a plate spring to provide the yards 66 and 68 with elasticity.
  • the yard 66A is formed by overlapping multiple flat plates 86. with the shortest flat plate positioned to the rear, and securing these flat plates with bands 88 at multiple locations.
  • the yard can be flexibly bent like a fishing rod, thus allowingeasy control of the yard's camber.
  • Figs. 1 through 15 show an embodiment of the invention applied to a fore-and-aft-rigged sailboat.
  • a single mast 154 is positioned at the center of the deck 122 of the hull 120. Note that for yachts, dinghies, etc., which do not have a deck, the mast is mounted directly to the hull.
  • a fore spreader 138 and port and starboard spreaders 140 extend outward approximately horizontally from the top part of the mast 154. and port and starboard spreaders 142 extend outward approximately horizontally from the bottom part of the mast 154.
  • An aft boom 144 extends from the top part of the mast 154, and a fore and aft booms 146 and 148 extend from the bottom part.
  • One end of each boom is connected to the mast via a gooseneck 151 or hinge so as to be capable of turning left and right and up and down within a prescribed range.
  • the sails consist of the fore and aft sails Sf and Sa.
  • the fore sail Sf is stretched between the fore spreader 138 and the fore boom 146
  • the aft sail Sa is stretched between the upper and lower aft booms 144 and 148.
  • the mast foot 158 is rotatably inserted into a cylindrical support fixture 153 mounted approximately in the center of the deck 122.
  • An eyeplate 160 is formed in the top of the mast foot 158.
  • the fork-shaped bottom end 162 of the mast 154 is pivotably coupled to the eyeplate 160 by a bolt 164 and a nut 166.
  • the bottom of the support fixture 153 is supported by a pillar 168, and the mast 154 is supported securely to the hull.
  • the mast 154 is rotatable on its axis, and is also tiltable on the axis of the bolt 164.
  • Each of which is secured to a flange 159 formed at the upper part of the mast foot 158, extend outward at prescribed angle intervals.
  • the four fore, aft, port, and starboard arms 161 are arranged at intervals of 90 degrees, and the intermediate arms 161 are positioned between them.
  • the other end of each arm is secured to a moving member 150 as shown in Fig. 15.
  • a circular stage 130 which is formed by joining together four fan-shaped members is secured to the upper surfaces of the arms 161.
  • a locking fixture 156 is pivotably mounted to the upper end of each moving member 150 by a pin 157.
  • the axis of the pin 157 and that of the bolt 164 (Fig. 13) are on the same horizontal plane.
  • the two ends of a horizontal rotating shaft 149 journalled at the lower end of the moving member 150 are supported by a pair of wheels 152.
  • Circular inner and outer peripheral guide tracks 126 and 128 are installed in parallel on the deck 122 centered around the mast 154.
  • Each of the wheels is capable of running inside one of the guide tracks 126 or 128.
  • the stage 130 is rotatable together with the mast 154.
  • the sail stay 170 which supports the mast 154 and the fore sail Sf (Fig. 12) is secured to the top of the mast at its upper end, secured to the ends of the fore spreader 138 and the fore boom 146, and then, at its lower end, secured to the locking fixture 156 of the forwardmost moving member 150 (Fig. 15).
  • the sail stay 172 which supports the mast 154 and the aft sail Sa is secured to the top of the mast at its upper end, secured to the ends of the two aft booms 144 and 148, and then, at its lower end, secured to the aftmost moving member 150.
  • a pair of port and starboard mast stays 174 are each secured to the top of the mast 154 at their upper ends, secured to the ends of the upper and lower port and starboard spreaders 140 and 142, and then, at their lower ends, secured to the port and starboard moving members 150, respectively.
  • two pairs of port and starboard mast stays 176 are each secured to the top of the mast 154 at their upper ends, and secured to the port and starboard moving members 150, respectively, at their lower ends.
  • Two pairs of intermediate mast stays 177 are each secured to the top of the mast at their upper ends, and each is secured to a separate corresponding moving member 150 at its lower end.
  • the mast 154 is also possible to secure the mast 154 to the deck 122 so that it is not rotatable.
  • the stage 130 and arms 161 are rotatably mounted to the mast using bearings (not shown), etc.
  • all of the spreaders and booms are supported by rotating rings (not shown) installed on the mast using bearings.
  • the upper port and starboard spreaders 140 are positioned 180 degrees from each other, and are secured to a single rotating ring together with the fore spreader 138, so that each is positioned 90 degrees from the fore spreader 138.
  • the lower port and starboard spreaders 142 are also secured to a single rotating ring so that they are positioned in a straight line.
  • Each of the booms 144, 146, and 148 are supported by a gooseneck secured to a single rotating ring.
  • Fig. 16 shows a different embodiment of the invention applicable to a fore-and-aft-rigged sailboat.
  • the mast 254 is positioned on the deck 222 in the same way as the mast 154 in Fig. 13, and it is supported, rotatably and tiltably with respect to the deck, by a mast foot 258, which is essentially the same as the mast foot 158.
  • a circular guide track 224 is installed on the deck 222.
  • the inward ends of a single fore bar 226, a pair of port and starboard bars 228, and a pair of aft bars 230 which extend in the radial direction of the guide track 224 are secured to the mast foot 258.
  • the port and starboard bars 228 extend out at right angles with respect to the fore bar 226.
  • the aft bars 230 are positioned so that they are at prescribed angles to the port and starboard bars 228 and at a prescribed angle to each other.
  • An independent moving member 238 is slidably engaged with the guide track 224 between the aft moving members 236.
  • a fixture 242 on the top of the independent moving member 238 is slidably engaged with a line 240 strung between the aft moving members 236. By securing the fixture 242 with the line 240, it is possible to maintain the independent moving member 238 at a desired position.
  • mast stays 276 To the fore and independent moving members 232 and 238 are connected at least fore and aft sail stays 270 and 272, respectively. and to the port and starboard moving members 234 are connected mast stays 276.
  • Figs. 17 and 18 show an embodiment of the invention including a means for tilting a fore-and-art-rigged mast 354.
  • the circular guide track 324 installed on the deck 322 has a reverse-L-shaped radial cross section.
  • Multiple moving members 350 are secured to the outer periphery of the circular stage 350 which is secured to the mast foot 358.
  • the lower part of each of these moving members 350 has an L-shaped radial cross section.
  • These lower parts of the moving members are slidably engaged with the guide track 324 via balls 326 or rollers.
  • Guide pulleys 332 and 334 are mounted to the upper ends of the fore and aft moving members 350. respectively.
  • a winch 336 is provided on the stage 330. As shown in Fig. 18, the drum 338 of the winch 336 is divided by a partition plate 340.
  • the relative position of the center of the wind pressure being applied to the sails with respect to the turning center of the hull can be changed, thus allowing the wind pressure to be used to turn the hull, in the same way as for wind surfing.
  • the winch 336 it is also possible to use a tackle or a turnbuckle.
  • the sail stay 370 on the end into which the wind flows is comprised of a pipe similar to that used for the mast. By doing this. because the front edge of the sail is rounded, the lift performance is improved, and also the strength of the mast is increased.
  • the mast and its stays By designing the mast and its stays so that they are rotatable together, the wing-shape comprised of the sail and the mast can be constantly adjusted extremely easily and quickly to the position of optimum lift performance with respect to all wind directions.
  • the sails are stretched out fore and aft of the mast, by positioning the center of the wind pressure slightly aft of the mast, it is possible to greatly reduce the amount of force required to turn the sails, just as for the operation of the balanced rudder of a ship.
  • the wind pressure can be used to easily turn and steer the boat.
  • the booms or yards and the mast which stretch out the great sail with the same kind of high lift performance as the slats and flaps of an airplane wing are extremely easy to turn 360 degrees as a single unit. Especially, by making this turning operation automatic, it becomes possible to very efficiently use non-polluting wind energy for ship propulsion.
  • the circular guide track becomes the member which joins the multiple hulls together, and, moreover it is possible to use a large sail on hulls having a large initial righting moment.
  • the reels, winches, etc., for furling, unfurling, and controlling the sails can be safely and centrally controlled on the stage 61. 130, or 330.
  • the possible sailing area is not limited by the presence of bridges, etc.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP19880906044 1987-06-27 1988-06-27 Segelboot. Withdrawn EP0319591A4 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP160359/87 1987-06-27
JP62160359A JPS644596A (en) 1987-06-27 1987-06-27 Sailing boat
JP63062861A JPH01233197A (ja) 1988-03-15 1988-03-15 帆船
JP62861/88 1988-03-15

Publications (2)

Publication Number Publication Date
EP0319591A1 true EP0319591A1 (de) 1989-06-14
EP0319591A4 EP0319591A4 (de) 1989-10-25

Family

ID=26403918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880906044 Withdrawn EP0319591A4 (de) 1987-06-27 1988-06-27 Segelboot.

Country Status (4)

Country Link
EP (1) EP0319591A4 (de)
KR (1) KR890701416A (de)
AU (1) AU1956188A (de)
WO (1) WO1988010208A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374330A (en) * 2001-04-10 2002-10-16 Rwo Carriage unit for a vang system
FR2954750A1 (fr) * 2009-12-31 2011-07-01 Millour Patrick Antoine Marc Auguste Mat treillis mobile et voile a profil plan convexe orientable
EP2386477A1 (de) 2010-02-08 2011-11-16 Janusz Wieczorek Segelausrüstung, insbesondere für Schwebeboote
WO2018068155A3 (en) * 2016-10-15 2018-05-24 Alistair Johnson Auxiliary sail system for ships and safety systems for same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3025489A1 (fr) * 2014-09-10 2016-03-11 Paul-Henri Decamp Greement pour la propulsion d'un vehicule et vehicule comprenant un tel greement
FR3025490A1 (fr) * 2014-09-10 2016-03-11 Paul-Henri Decamp Greement pourvu d'un systeme de haubanage dynamique et vehicule equipe d'un tel greement
AU2018212680A1 (en) * 2017-01-26 2019-09-19 Inversail, S.A. Stabilised rotary sail rigging
JP7272654B2 (ja) * 2017-10-15 2023-05-12 ジョンソン、アリステア 船用の補助帆システムおよび船用の安全システム
DE102018002901A1 (de) * 2018-04-04 2019-10-10 Sven Assmann Dreiteilig versenkbare und bewegliche Segelmasten für Schiffe und Yachten (Containerschiffe, Segelyachten, Transport- und Frachtschiffe)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1375400A (en) * 1920-03-03 1921-04-19 Ljungstrom Fredrik Sailboat-rigging
US2106209A (en) * 1935-09-07 1938-01-25 Edge Charles Noel Sailboat
US3085539A (en) * 1960-07-29 1963-04-16 Prolss Wilhelm Sailing vessel with square-rigged masts
US3889620A (en) * 1974-02-01 1975-06-17 Charles Kenneth Dorland Symmetrical sail assembly
FR2464878A1 (fr) * 1979-09-12 1981-03-20 Waquet Bernard Navire de haute mer multicoque
US4314518A (en) * 1980-02-27 1982-02-09 Barbara B. Marsden Simplified sailing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602240B2 (ja) * 1979-11-16 1985-01-19 財団法人 日本舶用機器開発協会 帆船
SU982968A1 (ru) * 1981-01-04 1982-12-23 За витель Парусное вооружение
JPS5828098U (ja) * 1981-08-17 1983-02-23 日立造船株式会社 帆船
JPS58112895A (ja) * 1981-12-28 1983-07-05 Nippon Kokan Kk <Nkk> 帆船用帆
JPS58100889U (ja) * 1981-12-29 1983-07-08 三菱重工業株式会社 船舶
JPS58164495A (ja) * 1982-03-24 1983-09-29 Hitachi Zosen Corp 船舶
JPS59134089A (ja) * 1983-01-21 1984-08-01 Senpaku Gijutsu Kaihatsu Kk 起倒式帆柱
DE3316139A1 (de) * 1983-05-03 1984-11-08 Hartmut Berthold 2000 Norderstedt Schwarz Segelschiff

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1375400A (en) * 1920-03-03 1921-04-19 Ljungstrom Fredrik Sailboat-rigging
US2106209A (en) * 1935-09-07 1938-01-25 Edge Charles Noel Sailboat
US3085539A (en) * 1960-07-29 1963-04-16 Prolss Wilhelm Sailing vessel with square-rigged masts
US3889620A (en) * 1974-02-01 1975-06-17 Charles Kenneth Dorland Symmetrical sail assembly
FR2464878A1 (fr) * 1979-09-12 1981-03-20 Waquet Bernard Navire de haute mer multicoque
US4314518A (en) * 1980-02-27 1982-02-09 Barbara B. Marsden Simplified sailing system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8810208A1 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374330A (en) * 2001-04-10 2002-10-16 Rwo Carriage unit for a vang system
GB2374330B (en) * 2001-04-10 2004-09-08 Rwo Improvements in or relating to a carriage unit
FR2954750A1 (fr) * 2009-12-31 2011-07-01 Millour Patrick Antoine Marc Auguste Mat treillis mobile et voile a profil plan convexe orientable
EP2386477A1 (de) 2010-02-08 2011-11-16 Janusz Wieczorek Segelausrüstung, insbesondere für Schwebeboote
WO2018068155A3 (en) * 2016-10-15 2018-05-24 Alistair Johnson Auxiliary sail system for ships and safety systems for same
US11325686B2 (en) 2016-10-15 2022-05-10 Alistair JOHNSON Auxiliary sail system for ships and safety systems for same

Also Published As

Publication number Publication date
KR890701416A (ko) 1989-12-20
AU1956188A (en) 1989-01-19
WO1988010208A1 (en) 1988-12-29
EP0319591A4 (de) 1989-10-25

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