EP0897364B1 - Sail battens - Google Patents

Description

Technisches Gebiet.Technical field.

Die Erfindung betrifft Segellatten mit hintereinander angeordneten, länglichen Lattenstäben, die über Knickgelenke so verbunden sind, dass sie eine Schwenkung zueinadner bis zum Anschlag ausführen können.The invention relates to battens with one behind the other arranged, elongated crossbars that over Articulated joints are connected so that they are pivoted can run to each other up to the stop.

Stand der Technik.State of the art.

Die Patentschrift US-PS 23 78 877 charakterisiert den Stand der Technik, bei dem die beim Anschlag wirkenden Kräfte im wesentlichen in Längsrichtung der Segellatte gerichtet sind. Nachteilig ist dabei, dass die Gelenk- und Anschlagkräfte sehr gross werden, weil der mögliche Hebelarm nur klein ist.The patent specification US-PS 23 78 877 characterizes the State of the art in which those acting at the stop Forces essentially in the longitudinal direction of the batten are directed. The disadvantage here is that the joint and Velocity forces become very large because of the possible Lever arm is only small.

Darstellung der Erfindung.Presentation of the invention.

Ziel ist eine betriebssichere, leichte und nicht zu teure Segellatte, die ihre vorgesehene Wölbung schon bei minimalem Wind einstellt und dann auch bei starkem Wind weitgehend beibehält. Dieses Ziel wird durch die kennzeichnenden Merkmale der Patentansprüche erreicht. So bleiben nach Anspr.1. Fig.1 bis 7,15,16, die von den Windkräften verursachten Lattenkräfte klein, weil die Latten ertwa 100 mal so lang wie breit sind und dies für die Erzielung langer Hebelarme genutzt wird: Bei einer Länge Ls des Lattenstabes von 5 % der Länge L der Segellatte und einer Länge des Hebelarmes von jeweils der Hälfte der Lattenstablänge bzw. der Breite B der bekannten Lattengelenke ergibt sich, dass die Kräfte bei der erfindungsgemässen Latte weniger als das 0,5 B / 0,5 Ls = 0,5 x 0,01 L / 0.5 x 0.05 L = 0.2 fache, d.h. weniger als 20 % des Wertes bei den bekannten Bauarten betragen. Ausserdem wird wegen des grossen Abstandes der Anschläge ihre Massgenauigkeit weniger wichtig. - Weiter können die üblichen, hochbelasteten Biegegelenke entfallen, weil die Lattenstäbe 1 und überlappenden Stäbe (Wegbegrenzer) 2 selbst ihre Querbewegungen und damit ihre Schwenkung gegeneinander mit Spiel begrenzen. - Anspr.2. Fig.1 bis 4, ermöglicht eine einfache Bauweise dadurch, dass die Rohr-Lattenstäbe 1 die rohrförmigen überlappenden Stäbe (Wegbegrenzer) 2 umfassen. - Anspr.3, Figur 5.6,11 bis 16, erlaubt die Verwendung der handelsüblichen flachen Lattenprofile, die infolge ihrer geringen Dicke bei der erforderlichen Festigkeit (Widerstandsmoment) eine hohe Flexibilität ermöglichen. Dies schützt bei Überlastungen vor Bruch. Dabei können für die Lattenstäbe 1 und die überlappenden Stäbe der Wegbegrenzer 2 die gleichen Bauteile verwendet werden. Die Anschläge 6 der Wegbegrenzer 2 können dabei wie in Fig.6 separat geführt oder an den Stäben gehalten sein. - Anspr.4 ermöglicht die Verstellung der Wölbung auf einfache Weise, weil die Länge der Überlappung den Winkel der Stäbe zueinander bestimmt. - Die Feststäbe nach Anspr.5 ermöglichen auf einfache Weise einen optimalen Wölbungsverlauf. Die hohe Steifigkeit des langen heckseitigen Feststabes unterdrückt bei Sturm das Flattern der achterlichen Segelpartie. Die einfache Leine mit Leinenstops für den Zusammenbau der Profilabschnitte zur Segellatte, Figur 5 bis 7, 11 bis 14, erfordert nur minimalen Aufwand.
Fig.1 zeigt eine rohrförmige Latte in der Draufsicht im Längsschnitt, Fig.2,3 und 4 verschiedene Möglichkeiten des in Segel 7 und Segeltasche 8 geführten Querschnitts. Fig.5 zeigt die Draufsicht, Fig.6 den Schnitt einer Bauart nach Anspr.3 mit flachen Lattenstäben 1 und Wegbegrenzern 2,6 aus ebenso flachen überlappenden Stäben 2 und Umfassungen 6. Fig.7 zeigt eine Latte mit Feststäben und darüber die Halteleine und Lattenstops. - Fig. 8 zeigt die einfache Wölbungsverstellung nach Anspr.6, oben in Grundposition, darunter mit gezogener Verstellleine. - Fig.9 zeigt die einfache, aber grosse Längskräfte erfordernde Wölbungsverstellung nach Anspr.7, mit Welle 17, Hebel 18, Federzug 19 und Anschlagplatte 20. - Die Profile nach Anspr.8, Fig.4 und 10, haben einen grossen Berührungsbereich zwischen den Stäben und ermöglichen eine besonders einfache und betriebssichere Wölbungsverstellung. - Die Ausgleichslatte 24 nach Anspr.9. Fig.3, erlaubt es, auch wenige, lange Lattenstäbe zu verwenden. - Anspr.10 ermöglicht eine betriebssichere Wölbungsverstellung, ohne dass dabei die Anschlagkräfte vergrössert werden.The aim is a reliable, light and not too expensive batten that sets its intended curvature even with minimal wind and then largely maintains it even in strong winds. This aim is achieved by the characterizing features of the claims. So according to Claim 1. Fig. 1 to 7,15,16, the slat forces caused by the wind forces small, because the slats are approximately 100 times as long as wide and this is used to achieve long lever arms: With a length Ls of the slat rod of 5% of the length L of the batten and a length of the lever arm each of half the length of the batten bar or the width B of the known batten joints means that the forces in the batten according to the invention are less than 0.5 B / 0.5 Ls = 0.5 x 0 , 01 L / 0.5 x 0.05 L = 0.2 times, ie less than 20% of the value for the known types. In addition, because of the large distance between the stops, their dimensional accuracy becomes less important. - Furthermore, the usual, highly stressed bending joints can be omitted because the slat bars 1 and overlapping bars (path limiters) 2 themselves limit their transverse movements and thus their pivoting against each other with play. - Claim 2. 1 to 4, allows a simple construction in that the tubular slat bars 1 comprise the tubular overlapping bars (path limiters) 2. - Claim 3, Figure 5.6, 11 to 16, allows the use of the commercially available flat slatted profiles, which, due to their small thickness with the required strength (section modulus), enable high flexibility. This protects against breakage when overloaded. The same components can be used for the slat bars 1 and the overlapping bars of the travel limiter 2. The stops 6 of the travel limiters 2 can, as in FIG. 6, be guided separately or held on the rods. - Ans.4 enables the curvature to be adjusted in a simple manner, because the length of the overlap determines the angle of the bars relative to one another. - The fixed bars according to Claim 5 enable an optimal curve curve in a simple manner. The high rigidity of the long stern-side rod suppresses the flutter of the aft sail section during storms. The simple line with line stops for the assembly of the profile sections to form the battens, FIGS. 5 to 7, 11 to 14, requires only minimal effort.
1 shows a tubular cross-section in plan view in longitudinal section, FIGS. 2, 3 and 4 different possibilities of the cross-section guided in sail 7 and sail pocket 8. 5 shows the top view, FIG. 6 shows the section of a construction according to Claim 3 with flat crossbars 1 and travel limiters 2.6 made of equally flat overlapping rods 2 and enclosures 6. FIG. 7 shows a crossbar with fixed rods and above them the tether and Slat stops. - Fig. 8 shows the simple curvature adjustment according to Claim 6, above in the basic position, below with a pulled adjustment line. - Fig. 9 shows the simple, but large longitudinal force-requiring curvature adjustment according to Claim 7, with shaft 17, lever 18, spring balancer 19 and stop plate 20. - The profiles according to Claim 8, Fig. 4 and 10 have a large contact area between the rods and allow a particularly simple and reliable curvature adjustment. - The leveling bar 24 according to Claim 9. Fig.3, allows to use a few long slats. - Claim 10 enables a reliable curvature adjustment without increasing the impact forces.

Gewerbliche Anwendung.Commercial application.

Segellatten. Battens.

Bezugszeichenliste.Reference list.

11

LattenstabCrossbar

22nd

Wegbegrenzer, überlappender StabPath limiter, overlapping rod

3,43.4

Anschlägeattacks

55

Spielgame

66

Wegbegrenzer, AnschlagTravel limiter, stop

77

Segelsail

88th

SegeltascheSail bag

99

bugseitiger Feststabbow-side fixed rod

1010th

heckseitiger "rear "

1111

HalteleineTether

1212th

Leinenstop f.Lattenstäbe u.FeststäbeLinen stop for slat bars and fixed bars

1313

   "   " überlappende Stäbe (Wegbegrenzer)"" Overlapping bars (travel limiters)

1414

FederzugSpring balancer

1515

Halteleinen-AnschlagTether line stop

1616

VerstellleineAdjustment line

1717th

Wellewave

1818th

Hebellever

1919th

FederzugSpring balancer

2020th

AnschlagplatteStop plate

2121

Rechteck-WegbegrenzerRectangular limiters

2222

BetätigungsleineOperating line

2323

LeinenklemmeLine clip

2424th

AusgleichslatteLeveling bar

2525th

Wegbegrenzer, BandPath limiter, band

Claims (10)

1. Sail battens with consecutive, longish, stiff batten bars (1), which can be swivelled in relation to each other in a kind of buckling motion until to the stops, which limit the swiveling angle, characterised in that the batten bars (1) are guided loosely one behind the other, that the stops (3,4,6,25) are formed by way limiting members (2), which are positioned sidewise to the batten bars (1) in a way, that the ways performed when swiveling, as well as the forces at the way limiting members concerned when hit by the batten bar, are essentially directed transverse to the length direction of the sail batten, and that the magnitude of the transverse clearance (5) determines the maximal swivelling angle, for what the way limiting members (2) are formed by a further, longish, stiff overlapping bar (2), which overlaps lengthwise the neighbouring batten bars (1) and which has stops (3,4,6,25) on both sides.
2. Sail batten as claimed in claim 1, characterised in that the batten bars are executed as tube batten bars (1) and the way limiting members (overlapping bars) (2) as inside bars, which are located with a transverse clearance inside of the tube batten bars, whereas especially batten bars as well as way limiting members (overlapping bars) hit each other loosely with their front sides and are made up by similar round or multi corner profile tubes.
3. Sail batten as claimed in claim 1, characterised in that batten bars (1) as well as way limiting members (overlapping bars) (2) are made up by flat bars, lying on edge one beside the other, and that the stops (6,25) of the way limiting members (2) form a ring around the batten bars and/or the overlapping bars, whereas especially the bars are made out of lightweight material with outside fibre reinforcement, and the stops (6) are formed as rings out of flexible band (25) or formed as bolt, which is led through batten bar and overlapping bar (way limiting mamber) and whose head overlaps batten bar and overlapping bar.
4. Sail batten as claimed in claim 1,2 or 3, characterised in that the overlapping bars (way limiting members) can be shifted relative to the length of the sail batten in order to adjust the curvature.
5. Sail batten as claimed in claim 1,2,3 or 4, characterized in that curvature-portion (1 to 6) after claim 1,2 or 3 is limited by a frontside rigid bar (9) and/or a longer rearside rigid bar (10), and that (a) holding rope(s) (11) with rope stops (12,13) is (are) led alongside the sail batten and hold the bars lengthwise in their position.
6. Sail batten as claimed in claim 4, characterized in that batten bars and overlapping bars all have about the same length, and a spring rope (14), which is fixed to the rearside end of the sail batten, draws the foremost rope stop (12) of the holding rope (11), together with the overlapping bars (way limiting members) (2) against a rope limit (15) into the rear basic position, and an adjusting rope (16), which is operated from the cockpit or by length changes in the sail, draws the frontside rope stop (13) with the overlapping bars (2) forward against the rope limit (15) into a changed position for a changed curvature, whereas the length changes in the sail can be caused by the trimming of the sail.
7. Sail batten as claimed in claim 1,2 or 5, characterised in that the tube batten bars as well as the rigid bars can be drawn firmly one against the other by the adjusting rope (16) and the holding rope (11), which is led amidst the inner tubes, so that their front sides, which are rectangular to the longside axis, straighten the sail batten.
8. Sail batten as claimed in claim 1,2 or 6, characterised in that the tube batten bars (1) and the overlapping bars (way limiting members) (21) have about square to rectangular cross sections, which are dimensioned in a way, that in one plane there is the clearance, which is necessary for the curvature, but in the plane rectangular to that there is only a considerably smaller clearance, and that the sail batten can be turned by 90 degrees around her long axis in their mast slider and in the sail pocket by the control line (22), which is fixed with a line clamp (23), so that the camber is reduced accordingly.
9. Sail batten as claimed in one of the foregoing claims, characterised in that along the sail batten there is (are) one or two equalizing batten(s) (24), which hardly influences the curvature of the sail batten, but equalzes the kinks, and which are connected with the sail batten at one point only, and which can, if necessary, also bear longitudinal forces by the bracing of sail batten and sail pocket.
10. Sail batten as claimed in claims 1,2,3 or 5, characterised in that distance pieces can be moved along the sail batten into the gap or inside of the gap between batten bar and overlapping bar, thus changing the effective clearance and by that the camber.

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