EP3453607A1 - Water vessel with a lowerable platform - Google Patents

Abstract

It is a watercraft (1), in particular a motor yacht specified. The watercraft (1) comprises a fuselage (15), a walk-on platform (6) and a lowering device (5) by means of which the platform (6) is attached to the fuselage (15) in such a way that it moves along a vertical direction (a ) is lowerable and raisable relative to the fuselage (15). The platform (6) is also displaceable along with the lowering device (5) along a horizontal direction (b) relative to the hull (15).

Description

TECHNICAL AREA

The present invention relates to a watercraft, in particular a motor yacht, with a lowerable walk-platform, as well as a water access device for such a watercraft.

STATE OF THE ART

Watercraft for sports and / or leisure purposes, but also for other uses, which have a lowerable platform, are popular and well known. The platform, which may in particular be a bathing platform, may serve to facilitate the passengers of the watercraft access to the water, for example, if they want to go swimming. However, a lowerable, walk-on platform can also be provided, for example, in a fishing boat in order to facilitate the catching of the fish and / or the fishing nets by the fishermen. By making the platform lowerable, optimum access to the water is made possible without the platform interfering with the handling of the vessel. To facilitate the entry into the water or the exit from the water while swimming, the swim platforms often have foldable swim ladders.

The US 8,056,496 discloses a platform extendable along a ship's longitudinal direction, to which a fold-out swim ladder is attached.

The US 2017/0129573 and the US 5,085,164 each disclose bathing platforms, which lowered by means of corresponding lowering devices relative to the hull such are that they are always in a horizontal position.

The US 9,586,655 shows a pontoon boat with a platform arrangement in which a walkable for bathing plate is connected via a parallel linkage with the boat. By pivoting the parallel linkage, the plate can be lowered or raised along a vertical direction.

The EP 2 145 820 discloses a motor yacht with a floating platform at the stern. The floating platform is connected to the hull via a hoist. By means of the hoist, the floating platform is raised and lowered formed, taking at any time a horizontal position. In addition, the floating platform relative to the hoist along a horizontal direction is slidably mounted so that it can be inserted into or under the rear end of the motor yacht.

The lowerable platforms and in particular the associated with this lowering devices of the prior art are usually well visible even in the raised state of the platform from the outside, which must be taken on the vessel corresponding aesthetic and aerodynamic smears in purchasing. In addition, the lowering devices, which are often mechanically relatively complicated and accordingly delicate in their function, exposed to external influences. This increases the risk of malfunction and material fatigue.

PRESENTATION OF THE INVENTION

It is an object of the present invention to provide an aesthetically pleasing and functionally safe watercraft with lowerable walk-on platform.

To solve this problem, a watercraft is proposed, as indicated in claim 1. In addition, a water access device for a watercraft is specified in claim 11. Advantageous embodiments of the invention are specified in the dependent claims.

In the following, location and direction information, unless otherwise stated, each refer to the intended purpose in an upright position in the water floating and driving forward watercraft, in which the bow according to the general understanding of the front and the rear form the rear of the vessel , Information such as above, below, vertical and horizontal refers to the direction of the gravitational force of the earth or to the orientation of the water surface in the silent or stationary state of the water in which the vessel floats. Thus, the vertical direction is perpendicular to the water surface and parallel to the direction of gravitational force of the earth, and the horizontal direction is parallel to the water surface and perpendicular to the gravitational force.

• einen Rumpf,
• eine begehbare Plattform, insbesondere Badeplattform; sowie
• eine Senkvorrichtung, mittels welcher die Plattform derart am Rumpf angebracht ist, dass die Plattform entlang einer vertikalen Richtung relativ zum Rumpf absenkbar und anhebbar ist;
• wobei die Plattform ausserdem entlang einer horizontalen Richtung relativ zum Rumpf verschiebbar ist.

The present invention thus provides a watercraft, in particular an engine or sailing yacht, having

• a hull,
• a walk-in platform, in particular bathing platform; such as
• a lowering device, by means of which the platform is mounted on the hull in such a way that the platform can be lowered and raised along a vertical direction relative to the hull;
• wherein the platform is also displaceable along a horizontal direction relative to the fuselage.

In this case, the platform along with the lowering device along the horizontal direction relative to the hull displaced.

By not only the platform along the horizontal direction is displaceable relative to the fuselage, but also the lowering device, it can be retracted in the raised state of the platform, for example, in or under the stern of the vessel. Even if the lowering device is still arranged outside the stern after lifting and horizontal shifting, an overall more aesthetic impression of the watercraft arises, since the lowering device is generally still covered by the platform just as in the extended and lowered state of the platform. The lowering device is thereby also better from the outside Protected influences. In contrast, in the case of prior art watercraft, when only the platform, but not the lowering device, is horizontally displaceable, the lowering device is more exposed to horizontal displacement of the platform.

Preferably, all movable relative to the fuselage parts of the lowering device along the horizontal direction are displaced. Advantageously, this also applies to all movable parts of the platform relative to the fuselage.

Usually, the platform and the lowering device are horizontally displaceable in a direction which extends substantially parallel to the longitudinal central axis of the watercraft. The longitudinal central axis of the vessel usually extends parallel to the main direction of travel of the vessel. In principle, however, it is also conceivable that the platform and the lowering device are horizontally displaceable in a direction which extends perpendicular or inclined to the longitudinal central axis of the watercraft.

Hull is usually the part of the craft that gives the vessel buoyancy. The watercraft may in particular be a monohull or multi-hull ship. Preferably, it is a motorized watercraft, in particular a motor yacht.

The platform is usually arranged at the stern of the vessel, but in principle could also be arranged at any other location. The platform is walkable, which means it can easily withstand the weight of a person standing on it.

When lowering, the platform approaches the water surface of the water in which the vessel floats. The lowering device may, but need not, be designed such that the platform can be lowered even under the water surface in the unloaded state of the watercraft.

Preferably, the lowering device as well as the attachment of the platform to the lowering device are configured such that the lowering or lifting on the one hand and the horizontal displacement on the other hand not temporally overlapping, but temporally separated are executable. Starting from the lowered state of the platform, this can preferably first lifted and only then, that is, in the fully raised state, be moved along with the lowering device along the horizontal direction. Advantageously, the lowering device is displaceable only in the fully raised state of the platform along the horizontal direction. However, embodiments are also conceivable in which the raising / lowering can also be performed overlapping in time or even completely simultaneously with the horizontal shifting.

Advantageously, the platform is mounted on the lowering device such that the platform is always in a horizontal position when lowering and lifting. In this way, the energy required for lowering and lifting as well as the space required for it is minimized, and there are no unnecessary and potentially interference-prone motion sequences.

Advantageously, the platform is mounted on the lowering device such that the platform is always in a horizontal position when moving horizontally. This minimizes the energy required to move horizontally, as well as the space required, and there are no unnecessary and potentially interference-prone motion sequences.

The platform is preferably attached to the fuselage via the lowering device in such a way that the platform can not be moved out of its horizontal position during lowering or lifting. It is also advantageous not to move out of its horizontal position even when moving horizontally. In a particularly advantageous embodiment, the platform is even mounted on the fuselage via the lowering device so that it is not, ie in particular when lowering or lifting and horizontal displacement, not from its horizontal position out movable.

In order to allow the horizontal lowering the lowering device, this is preferably, at most via one or more intermediate parts, stored in one or more rails. The lowering device is thus preferably held displaceably in the rail (s). For this purpose, the rail (s) preferably extend along a substantially horizontal direction and, if there are a plurality of rails, parallel to one another. If the platform is located at the stern of the vessel, as is usually the case is, extend the rail or rails advantageously substantially parallel to the longitudinal central axis of the vessel or in the ship's longitudinal direction.

In principle, it would be conceivable to provide only a single rail on which the lowering device is slidably mounted. The lowering device could then be arranged on one side or in the middle of the platform. For stability reasons, however, a two-sided mounting of the platform by means of the lowering device is preferred. Accordingly, two rails are then preferably provided in which the lowering device is slidably held. Usually, in such an embodiment with a two-sided mounting of the platform, the lowering device has two units arranged correspondingly parallel to one another with almost identical or similar, at most reversed, configurations.

On the platform, a bathing ladder may be attached, which is advantageously designed fold out. The bathing ladder may in particular be arranged on the side of the platform which lies opposite the lowering device.

Advantageously, the lowering device is at least partially, preferably completely, inserted into an interior of the watercraft. In a particularly preferred embodiment, moreover, the platform is at least partially, preferably completely, inserted into the interior of the watercraft. In this way, when the platform is not in use, optimum protection of the platform and the lowering device from external influences is achieved, and the vessel acquires an aesthetically pleasing appearance and has good aerodynamics for this purpose.

At least one motor, in particular a linear motor, is preferably provided in order to move the platform and the lowering device horizontally. The motor is advantageously connected to the lowering device or a mounting plate, on which the lowering device is mounted, connected, that the platform and the lowering device by means of the engine from the watercraft to the outside or from the outside to the vessel are displaced. The linear motor may in particular be a hydraulic cylinder or an electric cylinder. Alternatively or additionally, the horizontal displacement of the lowering device by a spring mechanism be supported.

Advantageously, at least one motor, in particular a linear motor, is provided in order to lower and raise the platform and the lowering device. The motor is advantageously connected to the platform or the lowering device such that the platform can be lowered and raised by means of the motor. On its side facing away from the platform, the motor is preferably connected to a horizontally displaceable with the lowering device mounted element, such as a mounting plate. The lowering and raising motor is thus preferably displaceable together with the platform and the lowering device along the horizontal direction. The linear motor may in particular be a hydraulic cylinder or an electric cylinder. Alternatively or additionally, the raising and lowering of the platform may be assisted by a spring mechanism.

Preferably, the lowering device comprises at least one parallel linkage. The parallel linkage advantageously has at least two mutually parallel elements which are movably connected to the platform. Preferably, a parallel linkage is present on each side of the platform.

Advantageously, at least one mounting plate is provided, which is displaceable along a horizontal direction relative to the hull, and on which the lowering device is movably mounted. The mounting plate is advantageously held displaceably guided in at least one rail along the horizontal direction.

• eine Montageeinheit, welche zum Anbringen der Wasserzugangseinrichtung am Wasserfahrzeug dient,
• eine Plattform, insbesondere Badeplattform; sowie
• eine Senkvorrichtung, mittels welcher die Plattform derart an der Montageeinheit angebracht ist, dass die Plattform entlang einer vertikalen Richtung relativ zur Montageeinheit absenkbar und anhebbar ist.

In addition, a water access device for a watercraft, in particular for a motor or sailing yacht, specified. The watercraft is preferably designed as indicated above. The water access device comprises

• an assembly unit which serves for attaching the water access device to the vessel,
• a platform, in particular bathing platform; such as
• a lowering device, by means of which the platform is mounted on the mounting unit in such a way that the platform can be lowered and raised along a vertical direction relative to the mounting unit.

The platform is also displaceable along a horizontal direction relative to the mounting unit. In this case, the platform together with the lowering device along the horizontal direction relative to the mounting unit is displaceable.

The platform and the lowering device are preferably designed as stated above.

The mounting unit is used for mounting the water access device on the vessel and this is preferably fixed, that is immovable, attachable to the hull of the vessel. Preferably, the mounting unit has at least one, advantageously at least two rails, which serve to keep the lowering device guided horizontally displaceable. The water access device preferably has at least one, in particular preferably at least two mounting plates which, according to the embodiments above, are displaceably held in each case in one of the rails and on which the lowering device is movably mounted. The lowering device preferably represents the only connection between platform and mounting unit.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1

eine Schnittansicht des schematisch dargestellten Hecks einer Motoryacht mit sichtbarer Führungsschiene, Senkvorrichtung und Plattformhalterung;

Fig.2

eine Seitenansicht einer schematisch dargestellten Führungsschiene, Senkvorrichtung und Plattformhalterung der Motoryacht der Fig. 1;

Fig. 3

eine perspektivische Ansicht der schematisch dargestellten beiden Führungsschienen, der Senkvorrichtung, der Plattformhalterungen und der Badeplattform der Motoryacht der Fig. 1;

Fig. 4

eine Ansicht von oben auf die schematisch dargestellten beiden Führungsschienen, die Senkvorrichtung und die Plattformhalterungen der Motoryacht der Fig. 1; sowie

Fig. 5

eine Ansicht von vorne auf die schematisch dargestellten beiden Führungsschienen und die Senkvorrichtung der Motoryacht der Fig. 1;

Preferred embodiments of the invention will be described below with reference to the drawings, which are given by way of illustration only and are not to be interpreted as limiting. In the drawings show:

Fig. 1

a sectional view of the schematically illustrated tail of a motor yacht with visible guide rail, lowering device and platform bracket;

Fig.2

a side view of a schematically illustrated guide rail, lowering device and platform bracket of the motor yacht of Fig. 1 ;

Fig. 3

a perspective view of the schematically illustrated two guide rails, the lowering device, the platform mounts and the bathing platform of the motor yacht of Fig. 1 ;

Fig. 4

a top view of the schematically illustrated two guide rails, the lowering device and the platform mounts the Motor yacht the Fig. 1 ; such as

Fig. 5

a view from the front of the schematically illustrated two guide rails and the lowering of the motor yacht of Fig. 1 ;

DESCRIPTION OF PREFERRED EMBODIMENTS

In the FIGS. 1 to 5 is shown in various schematic views, a preferred embodiment of the invention. The in the FIGS. 1 to 5 embodiment shown relates to a lowerable swim platform, which is arranged in the region of the stern 10 of a motor yacht 1. In alternative embodiments, it could also be another walk-on platform, which is arranged for example in a sailing ship or another watercraft, at the stern, bow or at another point of the ship.

The FIG. 1 shows the area of the stern 10 of a motor yacht 1. Between two lateral platform supports 60, a bathing platform 6 is mounted, which in the FIG. 3 is recognizable. The bathing platform 6 is accessible to the passengers of the motor yacht 1 and serves to facilitate access to the water, for example for swimming and swimming.

In order to facilitate the descent to the bathing platform 6, the motor yacht 1 may have one or more steps 12 in the region of its mirror 11.

The bathing platform 6 can be lowered and raised along a vertical direction of movement a. The vertical direction of movement a thus extends perpendicular to the surface of the water in which the motor yacht 1 floats. In addition, the bathing platform 6, as it is in the FIGS. 2 and 3 is shown displaceable along a horizontal direction of movement b. The horizontal movement direction b extends perpendicular to the vertical movement direction a along the longitudinal center axis or main direction of travel of the motor yacht 1. The movement along the vertical direction a and the movement along the horizontal direction b are respectively relative to a fuselage 15 of the motor yacht 1. The fuselage 15th represents that part of the motor yacht 1, which of these their buoyancy gives.

Both during lowering and lifting and during horizontal shifting, the bathing platform 6 is always in a horizontal position and can not be moved out of it.

In the lowered state, the bathing platform 6 allows the passengers of the motor yacht 1 access to or into the water. For this purpose, the bathing platform 6 can be lowered to below the water surface. Optionally, a fold-out bathing ladder may be attached to the bathing platform 6 to further facilitate entry into the water. When the motor yacht 1 is in motion, the bathing platform 6 is brought into its raised state. The bathing platform 6 is then preferably no longer in contact with the water in waves and thus does not hinder the ride.

In order to allow the lowering and lifting, the bathing platform 6 is attached via the lateral platform supports 60 to a lowering device. The lowering device comprises two parallel linkage 5, of which one is arranged on each side of the bathing platform 6. Each of the parallel linkage 5 has in each case an upper connecting element 50 in the form of a connecting rod and a lower connecting element 51 in the form of an elongated connecting plate. The upper and lower connecting elements 50, 51 are pivotally connected to one of the platform supports 60 and a ship-side mounting plate 4 so that they extend substantially parallel to each other and describe the shape of a parallelogram when lowering or lifting.

The upper and lower connecting members 50, 51 are hingedly attached to the platform support 60 at the platform side, respectively, at two points superimposed in the vertical direction. On the ship side, the upper and lower connecting elements 50, 51 are each attached to a mounting plate 4 on two articulated points 52, 53 arranged one above the other in the vertical direction. Since the two arranged on both sides of the bathing platform 6 mounting plates 4 only slidably along the horizontal direction b, but otherwise are not movable and in particular not rotatable, the bathing platform 6 is due to their support to the parallel linkage 5 so lowered and raised that they always occupying a horizontal position.

The mounting plates 4 are each slidably held in a guide rail 2 along the horizontal direction b. The two guide rails 2 extend parallel to one another along the horizontal direction b into an interior space 13 of the motor yacht 1 present in the region of the stern 10. The swim platform 6 is thereby along with the parallel linkage 5 and the mounting plates 4 along the horizontal direction b displaced. Preferably, this displaceability along the horizontal direction is only possible when the bathing platform 6 is in its raised state.

For holding the mounting plates 4 in the guide rails 2, at least one, preferably in each case at least two, connection elements mounted on the outside of the mounting plate 4 engage in the respective guide rail 2 in each case. The connecting elements, not shown in the figures, which may be, for example, rollers, protrude for this purpose in each case in a channel formed by the respective guide rail 2.

The two guide rails 2 are each fixed, that is immovably mounted on the fuselage 15 of the motor yacht 1 and thereby together form a mounting unit for fixing the parallel linkage 5 and the bathing platform 6 on the fuselage 15th

On the inner sides of the mounting plates 4, a fastening element 40 is attached in each case, which serves to connect the respective mounting plate 4 with the piston rod 31 of a horizontal hydraulic cylinder 3. The two sides of the bathing platform 6 arranged horizontal hydraulic cylinder 3 are used to move the respective mounting plate 4 and thus the parallel linkage 5 and the bathing platform 6 along the horizontal direction of movement a. For this purpose, the horizontal hydraulic cylinders 3 each have a cylindrical pressure vessel 30, into which the piston rod 31 protrudes and is connected there to a piston displaceably mounted in the pressure vessel 30. Instead of the hydraulic cylinder 3 and electric cylinders or other, non-linear drive motors could be provided. Also conceivable are embodiments without a motor, in which the horizontal displacement by hand, possibly supported by a spring mechanism is performed.

To facilitate the lifting and lowering of the bathing platform 6 also lowering / lifting hydraulic cylinder 7 are provided. The two on both sides of the bathing platform 6 arranged lowering / lifting hydraulic cylinder 7 each have a pressure vessel 70 and a displaceably mounted therein piston rod 71. The piston rod 71 is mounted in each case by means of a fastening element on the lower connecting element 51 of the parallel linkage 5 and the pressure vessel 70 via a respective further fastening element on the mounting plate 4. Instead of the hydraulic cylinder 7 and electric cylinders or other, non-linear drive motors could be provided. Also conceivable are embodiments without a motor in which the raising or lowering of the bathing platform 6 by hand, possibly supported by a spring mechanism is performed.

Again FIG. 1 can be seen, the guide rails 2 and the horizontal hydraulic cylinder 3 are arranged to a large extent in each case in an interior 13 of the motor yacht 1 and mounted there on the fuselage 15. The mounting plates 4 and the attached parallel linkage 5 and the lowering / lifting hydraulic cylinder 7 are horizontally displaceable so that they each at least partially, preferably even completely, retracted into a storage space 14 of the motor yacht 1 and can be accommodated there. The mounting plates 4, the parallel linkage 5 and the lowering / lifting hydraulic cylinder 7 are characterized while driving the motor yacht 1 and when not using the bathing platform 6 protected from external influences and from the outside not or hardly visible. Preferably, the bathing platform 6 is at least partially, advantageously even completely, along the horizontal direction in the storage space 14 retractable. Advantageously, raising and lowering the bathing platform 6 in its fully retracted state is impossible.

Of course, the invention described herein is not limited to the mentioned embodiments and a variety of modifications is possible. Thus, for example, only a single guide rail 2 could be provided, which can be arranged laterally to the bathing platform 6 or also centrally. A parallel linkage could then be connected for example via two correspondingly formed mounting plates 4 on both sides with the single guide rail 2, which this could have two facing towards both opposite sides channels. The provision of more than two guide rails and parallel linkage is conceivable to improve the stability of the connection of the bathing platform 6 with the fuselage 15 of the motor yacht 1. Instead of the connection of the bathing platform 6 to the fuselage 15 by means of parallel linkages, other types of connection, such as a joint articulated in the region of the platform and of the guide rails via a single connecting element, are also conceivable. A variety of other modifications is conceivable. LIST OF REFERENCE NUMBERS 1 Motoryacht 5 parallel linkage 10 Rear 50 Upper connecting element 11 mirror 51 Lower connecting element 12 step 52 Upper hinge point 13 inner space 53 Lower hinge point 14 storage space 15 hull 6 bathing platform 60 Lateral platform bracket 2 guide rail 7 Lowering / liftable hydraulic cylinders 3 Horizontal hydraulic cylinder 70 pressure vessel 30 pressure vessel 71 piston rod 31 piston rod a Vertical direction of movement 4 mounting plate b Horizontal direction of movement 40 fastener

Claims (11)

Watercraft (1), in particular motor yacht, comprising a hull (15), a walk-in platform (6); such as a lowering device (5) by means of which the platform (6) is mounted on the hull (15) in such a way that the platform (6) is lowerable and raisable along a vertical direction (a) relative to the hull (15); the platform (6) being displaceable along a horizontal direction (b) relative to the hull (15), characterized in that
the platform (6) together with the lowering device (5) along the horizontal direction (b) relative to the hull (15) is displaceable. A vessel (1) according to claim 1, wherein the platform (6) is mounted on the lowering device (5) such that the platform (6) is always in a horizontal position during lowering and lifting. Watercraft (1) according to claim 1 or 2, wherein the platform (6) is mounted on the lowering device (5) in such a way that the platform (6) is always in a horizontal position during horizontal displacement. Watercraft (1) according to one of the preceding claims, wherein the lowering device (5) is mounted horizontally displaceable in one or more rails (2). Watercraft (1) according to one of the preceding claims, wherein the lowering device (5) at least partially, preferably completely, in an interior (13, 14) of the watercraft (1) or below the stern of the watercraft (1) can be inserted. Watercraft (1) according to one of the preceding claims, wherein the Platform (6) at least partially, preferably completely, in an interior (13, 14) of the watercraft (1) or under the stern of the watercraft (1) can be inserted. Watercraft (1) according to one of the preceding claims, wherein at least one motor (3), in particular a linear motor, is provided to move the platform (6) and the lowering device (5) horizontally. Watercraft (1) according to one of the preceding claims, wherein at least one motor (7), in particular a linear motor is provided to lower and raise the platform (6). Watercraft (1) according to one of the preceding claims, wherein the lowering device comprises at least one parallel linkage (5). Vessel (1) according to one of the preceding claims, wherein at least one mounting plate (4) is provided, which is displaceable along a horizontal direction (b) relative to the hull (15), and on which the lowering device (5) is mounted. Water access device for a watercraft (1), in particular for a motor yacht, comprising an assembly unit (2) which serves for attaching the water access device to the watercraft (1), a platform (6); such as a lowering device (5), by means of which the platform (6) is mounted on the mounting unit (2) such that the platform (6) can be lowered and raised along a vertical direction (a) relative to the mounting unit (2); wherein the platform (6) is also displaceable along a horizontal direction (a) relative to the mounting unit (2), characterized in that
the platform (6) together with the lowering device (5) along the horizontal direction (b) relative to the mounting unit (2) is displaceable.

Images