EP0158117A1 - Rigging for a sailing board - Google Patents

Abstract

The invention relates to a rig for a windsurfing board, in which the clew (8) of the sail (2) is fixed in place in a rear fitting (10) of the boom (3) before tensioning and trimming the sail (2) preprogrammed using a Ska? a, whereupon the delivery space (3) is fixed to the mast by pushing it downwards and snapping it into place, or a fixed point is created which fixes the clew (8). In this variant, the sail (2) is trimmed in the bow fitting (11) of the boom, by designing the connection (15) between the mast (1) and boom (3) in such a way that the mast (1) is longitudinally opposite the The boom (3) can be pushed back and forth and fixed.

Description

The invention relates to a rig for a windsurf board with a mast, a sail held by the mast and held open by means of a boom, which receives the mast in a luff pocket forming the luff, the unstained relative to the windsurf board, freely rotatable on all sides by means of a joint, and rig pivotally attached to the windsurf board by the user; The boom is held and thus adjusted relative to the wind and the windsurfing board, the sail being connected to the boom only via its nock, the lower leg of the sail running obliquely down from the nock to the mast and the boom being arranged above the neck of the sail, and where the boom has two outwardly curved trees and a bow fitting which can be fastened to the mast and a rear fitting for holding the clew, the trees being connected to one another by bow and stern fittings.

Such rigs for mind surfboards are generally known. After the recent development of windsurfing, it has been found that in particular every gram of weight in the area of the rear fitting of such a boom is disadvantageous for handling the rigs. At the same time, however, it has also started to sail different cuts for different board constructions and in particular different wind conditions. The usual booms have a fixed length, which corresponds to the largest sail. If smaller sails are sailed, a corresponding waiter results slope, which increases the disadvantageous influence of the weight on the rear fitting by extending the lever. Usually, with such rigs, slip clamps, deflection rollers and similar fittings are attached in the area of the rear fitting, since in the usual shape of the rig the clew is attached to the end of the boom by a rope, which enables trimming in the direction of the rear fitting. In order to reduce the disadvantageous leverage effect on the upper slope of the rear boom fitting, beyond the clew, so-called Vario booms have also been proposed (cf. European patent application 00 71 220), by means of which the overall length of the boom can always be adapted to the corresponding sail size. In all known rigs, however, there is always a distance between the outermost rear end of the rear boom fitting and the clew, for technical reasons alone, since there must be some leeway for trimming the sail by moving the clew in the direction of the rear end. To make matters worse, according to the tendency that the more modern sails are cut ever flatter and harder masts are used, a complete trimming and tensioning of the sail is only possible with almost no effort. In this regard, it has helped to provide different translations and pulley-like arrangements in the rear fitting or in a combination of the rear fitting and clew. This increases the weight even more precisely in the area of the rear fitting.

Based on this background, the invention has for its object to provide a rig of the type mentioned, in which the sail can be trimmed with the least effort, it being possible to establish a minimal and constant distance of the clew from the rear end of the boom, so that this makes it straight a very light design, especially in the rear boom section is possible.

This object is achieved essentially by the features specified in claim 1.

Further advantageous details are given in the subsequent subclaims.

This basic embodiment according to the invention has the particular advantage that, according to the present sail cut or sail size, the clew can first be fixed in the stern fitting according to the optimal trim without any force or with minimal sail tension, after which the tensioning is then carried out using the entire lever arm of the boom length thereby. takes place that this is pivoted down from the top of the sail into the desired end position. Completely deviating from the prior art, the path is followed here that the preprogrammed trim is produced without power and then the sail is tensioned and optimally trimmed using a considerable lever arm.

In a particularly preferred development according to the invention it can additionally be provided that the connection mentioned between the mast and the boom is designed such that the mast can be pushed back and forth in the longitudinal direction of the boom for trimming the sail.

It is evident that the present invention takes a completely different route in that the sail is no longer trimmed by displacing the clew relative to the boom, but in that instead the last trim of the sail is done by moving the mast towards the bow fitting. This makes it possible to relieve the rear fitting of the boom from all fittings, so that it can be made extremely easily. In addition, the invention also offers the advantage that the clew of the sail can be arranged directly in the rear fitting of the boom, so that any unfavorable overhang is avoided.

In an advantageous development according to the invention, the connection between the mast and boom is designed as a three-point bearing, which holds the mast by friction. This embodiment has the advantage that the boom can be adjusted to any desired height.

The three-point bearing preferably has friction pieces which are in contact with the mast or the mast pocket of the sail.

In this context, it is particularly preferred to design at least two of the friction pieces as rollers, whose axes of rotation are approximately parallel to the mast.

In the case of the rig according to the invention, a further preferred embodiment is that the sail is formed with a continuous mast pocket and that the frictional engagement is established with the outside of the mast pocket. This has the particular advantage that the aerodynamic recess, which known sails have, in order to enable the boom to be fastened, is avoided.

In particular, it is preferred to arrange two bearing points symmetrically laterally behind the mast, the distance between the bearing points being somewhat smaller than the diameter of the mast and with the third bearing point in the Central axis of the boom is arranged in front of the mast. As a result, the wing profile of the sail beginning through the mast pocket is hardly impaired, since the constriction caused by the two lateral bearing points is kept to a minimum.

The third bearing point is preferably designed to be resilient in the longitudinal direction.

To trim the sail, it is advantageous that the bearing points are adjustable in the longitudinal direction of the boom by means of actuators arranged in the bow fitting.

In order to carry different boom heights depending on the size of the user, the bearing points should be designed to be pivotable in an advantageous manner.

In particular, it is particularly preferred that the mast has a teardrop-shaped or double airfoil-shaped cross-section, and that the point of application of the third bearing point is suspended on both sides perpendicularly to the center line of the boom, such that the mast can carry out a sprung rotary movement about its axis. This embodiment offers the advantage that an optimal trim is possible in the more recent development of the so-called wing rig, and nevertheless the intended swiveling or rotating movement of the mast can be carried out to change the position of the air flow.

In a particularly preferred embodiment, the fitting has a fastening device for holding the clew, which can advantageously be formed by an axis running through the clew.

Here, a preferred embodiment is that the rear fitting is divided and can be connected by a closure.

In some cases, the closure can be formed by the axle which is firmly connected to one half of the rear fitting and a slide which is arranged in the other half and which can be snapped into a groove at the free end of the axle.

In the case of modified embodiments, the rear fitting can have a slot which receives the clew, a bore being provided through which the axle can be pushed through the clew.

In particular, the rear fitting should be interchangeable, so that, depending on personal taste, a conventional rear fitting with the trim in the direction of the rear fitting can also be used.

In particular, the invention can be further developed in that the boom in the area of the bow fitting has a bend which enables the boom to be folded down parallel to the mast. This folding is advantageous in order to be able to fold the rig in emergency situations or for transport, whereby this can be done without removing the bearing points of the three-point bearing due to the offset.

In a further development according to the invention, scales are provided on the mast or on the mast pocket of the sail and in the bow region of the boom, which are correlated with one another for optimum trim.

• Fig. 1 eine schematische Gesamtansicht des erfindungsgemäßen Riggs;
• Fig. 2 eine vergrößerte Schnittansicht des Bugbereichs des Gabelbaumes bei dem Rigg gemäß Fig. 1;
• Fig. 3 eine Draufsicht auf eine abgewandelte Ausführungsform des Bugbereiches des Gabelbaums;
• Fig. 4 eine schematische Draufsicht eines Gabelbaumes in einer abgewandelten Ausführungsform;
• Fig. 5 eine schematische Seitenansicht des Bugbereiches des Gabelbaums in zwei Steilungent;
• Fig. 6 eine Fig. 5 entsprechende Ansicht einer abgewandelten AusfUhrungsform;
• Fig. 7 eine schematische, teilweise geschnittene Ansicht einer AusfUhrungsform des Heckbeschlags;
• Fig. 8 eine schematische Draufsicht einer alternativen Ausführungsform des Heckbeschlages;
• Fig. 9 eine Fig. 7 entsprechende Schnittansicht einer weiteren Ausführungsform des Heckbeschlages;
• Fig.10 eine abgewandelte Ausführungsform eines Bugbeschlages in einer Fig. 3 entsprechenden Ansicht;
• Fig.11 eine Fig. 3 entsprechende Ansicht des Bugbeschlages bei einem sogenannten Flügelrigg; und
• Fig.12 eine skizzenhafte Seitenansicht des erfindungsgemäßen Riggs, welche den Vorgang des Aufriggens und Trimmens veranschaulicht.
• Fig.13 eine Fig. 1 entsprechende Gesamtansicht einer abgewandelten Ausführungsform;
• Fig. 14 eine vergrößerte, teilweise geschnittene Ansicht des Bugbeschlags des Gabelbaums bei dem Rigg gem. Fig. 13;
• Fig. 15 eine Schnittansicht von Fig. 14 längs.der Linie XV - XV ohne Segel;
• Fig. 16 eine Fig. 14 entsprechende Schnittansicht einer abgewandelten Ausführungsform;
• Fig. 17 eine Schnittansicht von Fig. 16 längs der Linie XVII - XVII;
• Fig. 18 eine Schnittansicht längs der Linie XVIII - XVIII in Fig. 17;
• Fig. 19 eine Schnittansicht längs der Linie XIX - XIX von Fig. 17; und
• Fig. 20 eine schematische Darstellung einer Ausführungsform des Heckbeschlages 10 für die in Fig. 13 veranschaulichte Ausführungsform des Riggs.

Further advantageous details according to the invention emerge from the following description or the claims and the exemplary embodiments illustrated in the drawings, by means of which the invention is explained below by way of example. In the drawings:

• Figure 1 is a schematic overall view of the rig according to the invention.
• FIG. 2 shows an enlarged sectional view of the bow region of the boom in the rig according to FIG. 1;
• 3 shows a plan view of a modified embodiment of the bow region of the boom;
• Figure 4 is a schematic plan view of a boom in a modified embodiment.
• 5 shows a schematic side view of the bow region of the boom in two divisions;
• FIG. 6 shows a view corresponding to FIG. 5 of a modified embodiment;
• 7 shows a schematic, partially sectioned view of an embodiment of the rear fitting;
• 8 shows a schematic top view of an alternative embodiment of the rear fitting;
• 9 shows a sectional view corresponding to FIG. 7 of a further embodiment of the rear fitting;
• 10 shows a modified embodiment of a bow fitting in a view corresponding to FIG. 3;
• 11 shows a view corresponding to FIG. 3 of the bow fitting in a so-called wing rig; and
• 12 shows a sketchy side view of the rig according to the invention, which illustrates the process of rigging and trimming.
• 13 shows an overall view corresponding to FIG. 1 of a modified embodiment;
• 14 is an enlarged, partially sectioned view of the bow fitting of the boom according to the rig. Fig. 13;
• Fig. 15 is a sectional view of Fig. 14 along line XV - XV without sail;
• FIG. 16 shows a sectional view corresponding to FIG. 14 of a modified embodiment;
• 17 is a sectional view of FIG. 16 along the line XVII - XVII;
• Fig. 18 is a sectional view taken along the line XVIII - XVIII in Fig. 17;
• Fig. 19 is a sectional view taken along the line XIX - XIX of Fig. 17; and
• 20 shows a schematic representation of an embodiment of the rear fitting 10 for the embodiment of the rig illustrated in FIG. 13.

The embodiments of the riggs according to the invention shown in the drawings consist in their entirety of the mast 1, the sail 2 and a boom 3, the rig at the lower end of the mast 2 being connected to the windsurf board 5 by a universal joint 4. The sail 2 is adjusted in the known manner by a user by holding the boom 3 relative to the wind and windsurf board.

As can be seen from FIG. 1, the luff 6 of the sail 2 is formed by a mast pocket 7 which takes and holds the mast 1. The clew 8 of the sail 2 is attached to the nock 9 of the boom 3, which is formed by a rear fitting 10.

In the embodiment illustrated in FIG. 1, the boom 3 has a bow fitting 11, by means of which the mast 1 can be moved forwards and backwards with respect to the boom 3, in order thereby to optimally trim the sail 2. In Fig. 1, the trimming device is generally designated 12 and will be explained in more detail below with reference to the various embodiments.

The boom 3 consists of two outwardly curved trees 13, 14 which are connected to one another at the front by means of the bow fitting 11 and at the rear by means of the rear fitting 10. The bow fitting 11 with the trimming device 12 forms a connection 15 between the boom 3 and the mast 1.

2 shows a schematic sectional view perpendicular to the mast 1 of a first embodiment of the trimming device 12, by means of which the mast 1 can be moved forwards and backwards with respect to the boom 3 on its central axis, thereby reducing the tension of the sail 2 and thus changing the trim. In FIG. 2 and also the other figures of the drawings, the same parts have been provided with the same reference numerals, so that reference can be made to the preceding description in this regard.

As can be seen from FIG. 2, the connection 15 between the mast 1 and the boom 3 is designed as a three-point bearing, two bearing points 16, 17 lying somewhat behind the center line of the mast cross-section and the third bearing point 18 on the front of the mast 1. The three-point bearing thus formed has friction pieces 19, 20, 21, which hold the mast 1 or the mast pocket of the sail 2 surrounding it under frictional engagement. It is obvious that this causes the sail 2 to pass through outgoing mast pocket 7 can be equipped, which is extremely aerodynamically favorable, as this eliminates the otherwise usual recess in the mast pocket.

As illustrated, the bearing points 16, 17 and 18 are adjustable in the longitudinal direction of the boom 3 by actuators generally designated 22. In the exemplary embodiment according to FIG. 2, spindle drives are provided for this purpose, any other possible type of adjustment being obvious to the person skilled in the art. The drives shown therefore only serve to illustrate the basic principles of the present invention by way of example.

In the embodiment shown in FIG. 2, the mast 1 can therefore be adjusted axially relative to the boom 3, so that the sail 2 can be given any desired tension.

It should also be emphasized that the bearing points 16, 17, 18 and the friction pieces 19, 20, 21 are pivotally mounted in all embodiments, including the embodiment according to FIG. 2, for which purpose joints 23 are provided in the embodiment according to FIG. 2 . The swiveling storage ensures that different boom heights are possible.

As further illustrated, the preceding bearing point 18 is designed to be resilient, for which purpose a helical spring 24 is provided in the exemplary embodiment. This cushioning absorbs shocks that could otherwise break the mast 1.

As can be seen from FIG. 2, the distance between the two bearing points 17 located behind the mast 1 is such that the distance between the bearing points 16, 17 from one another is somewhat smaller than the diameter of the mast 1 hardly constricted the mast pocket 7, which is part of the wing profile of the sail 2.

In the embodiment according to FIG. 3, the third bearing 18 is designed as a roller 25 which is rotatably mounted on an axis 26 transversely to the mast 1. This embodiment facilitates the rigging, which is explained in more detail below. Furthermore, the three bearing points of the three-point bearing are connected to a common actuator 22 so that only this actuator has to be actuated to trim the sail 2.

In the embodiment according to FIG. 4, the bearing points 16, 17, 18 are designed as rollers 27, 28, 29, whose axes of rotation are approximately parallel to the mast 1. Due to the rollers 27, 28; 29 is at the same time given their pivotable mounting.

Fig. 4 also shows sketchy that in all embodiments, the clew 8 can be fixed in the rear fitting 10 of the boom 3, since the trim of the sail 2 takes place in the bow fitting 11 of the boom 3. Details of this fixation will be discussed below.

5 and 6, another advantageous detail of the rig according to the invention is illustrated in two exemplary embodiments, which, despite the three-point mounting, enables the boom 3 to be folded parallel to the mast 1 in emergency situations or for transport. As shown in the two figures, in each of which the dashed lines illustrate the folded position, the boom 3 has an offset 30 which, when folded over, disengages the bearing points from the mast 1. This will also make him is enough that the force application of the tensile forces exerted on the boom 3 takes place in a favorable manner higher on the mast 1.

In Fig. 5, a lower extension 31 is shown as a further alternative, the two rear adjustable bearing points 16, 17 being arranged in this extension, as indicated by the arrow 32.

In FIGS. 7 to 9, a fastening device, generally designated 32, for holding the clew 8 of the sail 2 in the rear fitting 10 of the boom 3 is shown in three different embodiments.

Since it is obvious from the above description that the clew 8 can be held stationary in the rear fitting 10, in the embodiment according to FIG. 7 the boom 3 is designed so that the rear fitting 10 has two halves 33, 34. On the lower half 33 in FIG. 7 there is an axle 35 which is fixedly connected to it and which is guided through the thimble 36 of the clew 8. The axis 35 extends through a bore 37 in the upper half 34 of the rear fitting 10 and has a groove 38 at its free end. To close the rear fitting 10, a slide 39 is provided, which can engage in the groove 38 in the manner of a fork. With this arrangement, both the boom 3 is closed and the clew 8 is held securely and directly in the free end of the boom 3.

In the embodiment according to FIG. 8, the rear fitting 10 is provided with an indentation 40, through which the axis 35 is guided by means of bores (not shown) is. Here, too, the clew is located directly in the rear fitting 10.

In the embodiment according to FIG. 9, the rear fitting 10 has a slot 41 for receiving the clew 8, and the axis 35 is formed by a so-called ball lock pin 42, which can be released by pressing a button 43. The ball lock pin 42 is passed through bores 44 and through the thimble 33 of the clew 8 and holds it securely in the rear fitting 10. In the exemplary embodiment according to FIG. 9, the bores 44 open into lateral recesses 45 in the rear fitting 10 in order to avoid the risk of injury, since these Recesses 45 the protruding parts of the axis 35 are received.

Fig. 10 shows in a sketchy representation an alternative form of connection 15 between mast 1 and boom 3, which is designed in the manner of double scissors, so that the frictional engagement on the mast 1 or mast pocket 7 is increased with increasing tension on the sail 2. The advantage of this embodiment is the simple structure and the fact that a single actuator 22 can be used.

11 shows in a sketchy representation the application of the basic principles of the present invention to a so-called wing rig, in which the mast 1 has a teardrop-shaped or double supporting profile cross section.

In this embodiment, the point of application 46 of the foremost bearing 18 of the three-point bearing is spring-mounted on both sides perpendicular to the center line of the boom 3 by means of coil springs 47, 48 or elastic bands, so that the mast 1 can perform a sprung rotary movement about its axis. This modification of the rig according to the invention is for the application of a wing rig advantageous in which the angle of attack of the mast 1 and thus the sail profile can be changed.

In Fig. 12 the process of initial trimming or rigging is still sketched. As shown, after the clew 8 is connected to the rear fitting 10 by the axis 35, the boom 3 is first pivoted downward into the desired position. As a result, the sail 2 is already tensioned by bending the mast 2. The fine trim is then carried out at the height desired for the user by means of the devices described above.

In this regard, there is an optimal setting for each special sail, which in turn depends on the height of the boom 3. According to the invention, 2 scales 49 and 50 are therefore provided on the mast pocket 7 and the boom, which represent the respectively optimal position. The division of the scales 49 and 50 is chosen such that, given the height position of the boom 3 on the scale 50, only the corresponding setting on the scale 49 has to be made.

The embodiments illustrated in FIGS. 13 to 20 differ from the previously described embodiments in that the connection 15 between the mast 1 and the boom 3 is designed differently in that no possibility of trimming the sail 2 is provided here. Instead, the clew 8 is fixed according to a scale 70 provided, for example, on the rear fitting 10 of the boom 3 in an optimal position with respect to the rear end of the boom 3, and then the sail 2 is tensioned and trimmed by the boom 3 according to FIG. 12 from the top the sail 2 is pivoted down. For this purpose, the boom can then be fixed relative to the mast 1 in the end position reached.

In the embodiments illustrated in FIGS. 13 to 20, a coupling device 51 which is effective between the bow fitting 11 and the mast 1 is provided for this purpose.

Details of an embodiment of this coupling device 51 are illustrated in FIGS. 14 and 15, the same reference numerals being used for the same parts in FIGS. 13 to 20 as in the above description.

As shown, the coupling device 51 consists of two parts, namely a manually detachable latch device 52, which is fastened to the mast 1 in a height-adjustable manner, and a catch or latching device 53, which is mounted in the bow fitting 11.

The pawl device 52 is provided on the top of the actual, pivotally mounted pawl 71 with a cam surface 54, by means of which the pawl 71 is deflected against the pressure of a helical spring 72 which pretensions the pawl 71 in the closed position. In the embodiments shown, the cam surface 54 is shaped in such a way that the pawl 71 is pivoted when it is run over by the bow fitting 11 or the catching or latching device 53 attached to it.

In the embodiment illustrated in FIGS. 14 and 15, the catching device 53 on the rear side of the mast 1 has bearing surfaces 58, 59 lying on both sides, which functionally correspond to the bearing points 16, 17 of the previously described embodiment.

The bearing surfaces can be pivoted about axes 60 in order to enable the above-described folding of the boom 3 or to ensure any desired relative position with respect to the mast 1.

In the embodiment shown, the two pivotable bearing surfaces 58, 59 are on the bow side of the mast 1 connected by a bracket 61 or the like, which engages in a corresponding notch 73 in the pawl 71.

The pawl device 52 is pivotally mounted on a housing 74 on an axis 75, the housing 74 having a half-shell-shaped bearing surface 62 with a friction-increasing inner lining 76 which partially encircles the mast 1. To hold the housing 74 at any desired height on the mast 1, a locking device, generally designated 63, is provided.

In the preferred embodiments according to FIGS. 13 to 20, the closing device 63 is designed as a plastic band 64 connected to the housing 74, which surrounds the mast and can be fixed in an eccentric buckle 65 in the manner of a ski boot buckle.

This construction ensures that the boom 3 is held securely on the mast 1 according to the selected height of the housing 74 after latching, while the essential forces are absorbed by the bearing surfaces 58, 59.

In both embodiments, an axle 68 is provided below the pawl device 52, to which the starting sheet 69 can be fastened.

The embodiment according to FIGS. 16 and 17 differs from the embodiment according to FIGS. 14 and 15 in that here the pawl device 52 and the associated catching device 53 are designed differently. The same reference numerals have been used for the same or equivalent parts, so that reference can be made to the above description.

16 and 17, the bearing surfaces 58, 59 are provided on an essentially U-shaped bearing block 66 which is located on the bow side of the Ga belbaums 3 has a locking surface 67 for the pawl device 52. When the boom 3 is moved downwards, the pawl 71 is again deflected until it engages with the locking surface 67 with a projection 77.

As further indicated in FIG. 20, it is preferred in the embodiments according to FIGS. 13 to 19 to provide interchangeable rear fittings 10 for the boom 3. Such rear fittings may have a scale 70, by means of which the clew 8 is preset to a corresponding trim position in the usual manner, in that when the sail 2 is depressurized, the clew 8 is deflected by means of the trim sheet 57 via a deflection point 55 and fixed in a slip clamp 56 becomes.

In the embodiments according to FIGS. 13 to 20, preference will therefore be given to either using end fittings 10 which are length-matched to the sails or to allow a trim within the limits, for example given by the scale 70, which covers different sails large.

Exemplary embodiments of the invention have been described above, and changes and modifications will be apparent to those skilled in the art without departing from the spirit of the invention, which is seen in trimming sail 2 in a completely unusual manner in the luff area. Such changes can relate in particular to the design of the connection between the mast and boom and the adjustability. An essential basic idea of the second basic embodiment according to the invention is to pre-program the correct trim of the sail through the position of the clew in the boom end fitting, after which the boom bow fitting is brought into engagement after being pushed down along the mast.

All of the features and advantages of the invention, including constructive details and spatial arrangements, resulting from the description, the claims and drawings can be essential to the invention both individually and in any combination.

Claims (12)

1. Rig for a windsurfing board with a mast, a sail held by the mast and stretched by means of a boom, which receives the mast in a mast pocket forming the luff, the unstated relative to the windsurf board, freely rotatable and pivotable on all sides by means of a joint The windsurfing board-attached rig is held by the user on the boom and is thus adjusted relative to the wind and the windsurfing board, the sail being connected to the boom only via its nock, the lower leg of the sail running obliquely downwards from the nock to the mast and the boom is arranged above the sail neck and the boom has two outwardly curved trees and a bow fitting fastened to the mast and a stern fitting for holding the clew of the sail and the trees are connected to one another by bow fitting and stern fitting, characterized in that the clew (8 ) is kept essentially stationary and that the verb manure (15) between the mast (1) and the boom (3) is designed such that 'for tensioning and trimming the sail (2) the boom (3) from the top of the mast (1) can be pushed into an end position and can be determined there. 2. Rig according to claim 1, characterized in that for fixing the boom (3) the connection (15) as between the bow fitting (11) and the mast (1) effective coupling device (51) is formed in that the coupling device in two parts with a on the mast (1) adjustable in height and detachably fastened by hand pawl device (52) and a catching or locking device (53) in the bow fitting (11), and that the pawls device (52) is spring-biased in the closed position. 3. Rig according to claim 1 or 2, characterized in that the position of the clew (8) with respect to the rear fitting (10) is adjustable by adjusting the relative position of the clew (8), as known per se, on the rear fitting (10) a deflection point (55) for a trim sheet (57) and on the boom (3) a slip clamp (56) or the like is provided. 4. Rig according to one of the preceding claims, characterized in that the catching device (53) on the rear side of the mast (1) has bearing surfaces (58, 59) on both sides, that the bearing surfaces (58, 59) about an axis (60) are pivotably mounted relative to the bow fitting (11) in such a way that the catching device (53) has a bracket (61) or the like, which on. the bow side of the mast (1) snaps into the pawl device (52) so that the pawl device (52) with a half-shell-shaped bearing surface (62) partially engages around the mast (1) and with a releasable locking device (63) on the mast (1) and that the locking device (63) is designed as a plastic band (64) encompassing the mast in connection with an eccentric buckle (65). 5. Rig according to one of the preceding claims, characterized in that the bearing surfaces (58, 59) are provided on a substantially U-shaped bearing block (66) which has a latching surface (67) for the pawl device (52) on the bow side . 6. Rig according to claim 1, characterized in that the connection (15) between the mast (1) and the boom (3) is designed such that for trimming the sail (2) the mast (1) in the longitudinal direction of the boom ( 3) can be pushed back and forth and fixed. 7. Rig according to claim 6, characterized in that the connection (15) is designed as a three-point bearing (16, 17, 18) which holds the mast (1) by friction, that the three-point bearing (16, 17, 18) friction pieces ( 19, 20, 21), which are in contact with the mast (1) or the mast pocket (7) of the sail (2), that at least two of the friction pieces are designed as rollers (27, 28, 29) whose axes of rotation lie approximately parallel to the mast (1), that the sail (2) is formed with a continuous mast pocket (7) and that the frictional engagement with the outside of the mast pocket (7) is established. 8. Rig according to one of the preceding claims, characterized in that two bearing points (16, 17) are arranged symmetrically laterally behind the mast (1), the distance between the bearing points (16, 17) from one another being somewhat smaller than the diameter of the mast (1) that the third bearing (18) is arranged in the central axis of the boom (3) in front of the mast (1) and that the third bearing (18) is resilient in the longitudinal direction. 9. Rig according to one of claims 6 to 8, characterized in that the bearing points (16, 17, 18) by means of actuators (22) arranged in the bow fitting (11) are adjustable in the longitudinal direction of the boom (3) that the bearing points (16 , 17, 18, 58, 59) are pivotally mounted, that the mast (1) has a teardrop-shaped cross section and that the point of engagement (46) of the third bearing point (18) is resiliently suspended on both sides perpendicular to the center line of the boom (3), such that the mast (1) can perform a sprung rotary movement about its axis. 10. Rig according to one of the preceding claims, characterized in that the rear fitting (10) has a fastening Supply device (32) for holding the clew (8), that the fastening device (32) is formed by one or more axes (35) extending through the clew (8), that the rear fitting (10) is divided and by a closure (39 ) is connectable, and that the closure (39) is formed by the axle (35), which is firmly connected to one half (33) of the rear fitting (10), and by a slide (39) arranged in the other half (34), which slider is in a Groove (38) at the free end of the axis (35) can be snapped into place. 11. Rig according to one of claims 1 to 9, characterized in that the rear fitting (10) has a slot (41) for receiving the clew (8) and a push-through axis (35). 12. Rig according to one of the preceding claims, characterized in that the boom (3) in the region of the bow fitting (11) has an offset (30, 31) which enables the boom (3) to be folded down parallel to the mast (1).

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