DE202021105844U1 - small boat - Google Patents

Abstract

Small boat (100), in particular a rowing boat (10), comprising a hull (11) with an outer hull shell (12) and an inner hull shell (13), the inner hull shell (13) having a floor (14), characterized in that at least one area of the bottom (14) is above the waterline (15, 16) regardless of the payload.

Description

The present invention relates to a small boat, in particular a rowing boat, comprising a hull with an outer hull shell and an inner hull shell, the inner hull shell having a floor.

Technological background

Because of their size and construction, small boats regularly take on a certain amount of water.

So-called bilge flaps are known in sailing boats for discharging water that has penetrated. The bilge flaps are below the water level and work due to the suction effect that occurs when driving through the water. So-called self-draining sailing boats are also known. They allow water that has entered the sailing boat to drain off automatically without the use of pumps. Self-draining sailboats are based on the fact that the bottom of the boat area to be drained, for example the cockpit of a yacht, is higher than the water level.

In small boats, such as rowing boats, bilge systems are not known. Rather, the water must be removed from the inner boat by manual scooping, especially in rowing boats.

From the DE 1 531 707 A an open boat is known, wherein the inner floor is above the water surface when the boat is in an unloaded condition, and there is at least one self-draining opening in the stern of the boat. In the case of the open boat, the water can only be removed from the interior when it is unloaded.

The DE 1 556 844 A1 discloses a self-draining boat having a floor higher than the outside water level, at least one outlet opening extending from the headspace above the floor and provided with a check valve such as to prevent water ingress.

Description of the invention: task, solution, advantages

It is the object of the present invention to provide a small boat, in particular a rowing boat, in which water can be drained off in a self-draining manner when loaded and when unloaded.

In order to achieve the object on which the invention is based, a small boat, in particular a rowing boat, is proposed, comprising a hull with an outer hull shell and an inner hull shell, the inner hull shell having a floor, it also being provided that at least one area of the floor, independent of the payload, is above the waterline lies.

The small boat is in particular a self-draining small boat.

The outer fuselage shell and the inner fuselage shell preferably form a double fuselage or double bottom.

According to the invention, at least one area of the floor is above the waterline, regardless of the payload, when the small boat is in the water. The bottom area is independent of the payload, that is to say above the waterline both in the unloaded state and in the, in particular, fully loaded state. Since at least one area of the bottom is above the waterline, regardless of the payload, the small boat can be prevented from filling up. In addition, the area of the bottom above the waterline, independent of the payload, makes it possible for the small boat to be designed to be self-draining, so that water that has penetrated can be removed from the small boat without the use of bilge flaps and without the need to scoop it out by hand.

The area of the floor which is above the water line, regardless of the payload, preferably extends along the keel or center line of the small boat and extends between the two side walls. The area of the bottom lying above the waterline, regardless of the payload, thus represents a section of the small boat in the longitudinal direction and has a minimum extent in the longitudinal direction.

Most often, the center line of the inner hull shell is the lowest part of the floor. Correspondingly, the area of the bottom that lies above the waterline, regardless of the payload, also includes at least a section of the center line.

Provision is preferably made for the entire floor and/or the entire inner fuselage shell to be above the waterline, regardless of the payload.

This measure enables water that has penetrated the small boat to be completely and independently of the payload.

With a further advantage it can be provided that the small boat is not a sailing boat and/or does not have a sail. The small boat is preferably a rowing boat.

The small boat is therefore not a sailing boat, a yacht or the like. Rather, the invention makes it possible for the first time to remove water that has penetrated the hull in a self-draining manner, even in rowing boats.

The hull preferably has oarlocks for attaching oars or oars.

With a further advantage it can be provided that the small boat has a motor, in particular an outboard motor.

With a further advantage it is provided that the floor has an inclination in relation to the waterline in the unloaded and/or in the loaded state.

Provision is particularly preferably made for the bottom to slope in the direction of the bow, or for the bottom to slope in the direction of the stern, and/or for the floor to slope in the direction of a center line or keel line.

By providing an incline or a gradient of the floor in the direction of the bow or stern, water that has penetrated the small boat flows accordingly in the direction of the bow or stern and can be removed from the small boat there, for example through an outlet opening arranged in the bow or stern.

If the floor has an incline towards the waterline towards the bow or stern when loaded, water can also be transported towards the bow or stern and thus removed from the small boat when the small boat is in use, for example if there are people in the small boat.

If the floor slopes down in the direction of the bow or stern in the unloaded state, water that has penetrated the small boat, such as rainwater, can be removed from the small boat when it is not in use. This is particularly advantageous when the small boat is attached to a jetty for a long period of time.

Provision can also be made here for the bottom to have an inclination relative to the waterline in the direction of the bow or stern, alternatively only in the unloaded state or in the loaded state. In contrast, in the loaded state or in the unloaded state, a state can then arise in which the bottom has no or no significant inclination with respect to the waterline.

However, it is preferably provided that the floor has an inclination relative to the waterline in the direction of the bow or stern both in the unloaded state and in the loaded state. Thus, it can be provided that the floor in the unloaded state and in the loaded state has an inclination towards the waterline in the direction of the bow, or slopes towards the bow, or that the floor in the unloaded state and in the loaded state has an inclination towards the waterline in the direction Rear has, or towards the rear drops.

Furthermore, it can particularly preferably be provided that the floor has an inclination relative to the water line in the direction of the bow in the unloaded state and an inclination relative to the water line in the direction of the stern in the loaded state.

Since small boats are usually more heavily loaded at the back than at the front, it is advantageous if the floor has a slope towards the waterline towards the bow when unloaded and towards the stern when loaded. When the boat is unloaded, the rainwater then runs off in the direction of the bow. When loaded, however, the floor slopes towards the rear so that water that penetrates can run off towards the rear. Outlet openings can then be provided in the front and in the rear.

Since small boats are usually more heavily loaded at the rear than at the front, it is also advantageous if a vertical distance between the outer hull shell and the inner hull shell is greater in the stern area than in the bow area. In other words, the double hull or double bottom of the small boat is then thicker at the stern than at the bow. This means that more lift can be generated in the rear to compensate for the heavier load in the rear.

In addition, it is possible that the bottom alternatively or additionally slopes down on both sides in the direction of a center line. As a result, water that has penetrated the small boat is transported to the center line and can then, if the bottom has a slope in relation to the water line in the direction of the bow or stern in the loaded and/or unloaded state, be transported to the bow or stern and removed from the small boat there.

A drainage device is provided with further advantage.

The drainage device is designed to drain water that collects on the floor out of the small boat.

The drain device preferably falls in the unloaded and/or loaded state towards the bow, or the discharge device falls towards the stern when unloaded and/or loaded.

In the unloaded and/or loaded state, the drainage device thus has a gradient relative to the waterline in the direction of the bow or stern, preferably independent of the payload.

It is particularly advantageously provided that the drainage device is a drainage channel, with the inner hull shell encompassing the drainage channel, with the drainage channel preferably running along a center line or a keel line.

More preferably, it can be provided that the bilge channel is above the waterline, regardless of the payload. However, it is also possible that the bilge channel is at least partially below the waterline when the payload is on.

Provision is particularly preferably made for the drainage channel to run at the lowest point of the floor. In particular, the bilge channel may run along the center or keel line of the bottom.

Provision is preferably made for the draining channel to slope towards the bow in the unloaded and/or loaded state, or for the draining channel to slope towards the rear in the unloaded and/or loaded state.

The gradient can be independent of the payload, that is to say with every payload, or it can be provided that the gradient is only present in the loaded or only in the unloaded state. If the drainage channel falls in the unloaded state in the direction of the bow, such a configuration is particularly suitable for removing rainwater from the small boat when the small boat is moored at the jetty. If the bilge channel falls towards the stern or towards the bow when loaded, water that has penetrated into the small boat can also be removed during use, ie when there is a payload.

With a further advantage, it can be provided that the draining channel is covered and/or closed at least in certain areas at the top.

From the point of view of a person in the small boat, the floor is then designed to be essentially continuous. The drainage channel can be covered by a grid or a cover.

Furthermore, it can be provided that the drain device is a drain pipe, with the drain pipe running between the inner and outer fuselage shell.

The drain pipe is particularly preferably connected to the floor at the lowest point of the floor.

The drain pipe can be above the waterline, regardless of the payload.

The drain pipe more preferably has a gradient in the direction of the bow or stern in the loaded and/or unloaded state.

With a further advantage, it is provided that the fuselage, in particular the inner fuselage shell and the outer fuselage shell, has an outlet opening, with the outlet opening preferably being above the waterline, regardless of the payload.

In this case, it can advantageously be provided that the outlet opening is arranged in the front or in the rear. Several outlet openings can also be provided. An outlet opening can be arranged in the front and in the rear.

If it is intended that the floor and/or the drainage device, in particular the bilge channel or the drainage pipe, slope towards the bow in the unloaded and/or loaded state, it is advantageous if the outlet opening is also arranged on the bow.

If it is intended that the floor and/or the drainage device, in particular the bilge channel or the drainage pipe, slope towards the rear in the unloaded and/or in the loaded state, it is advantageous if the outlet opening is also arranged at the rear.

If the floor and/or the drainage device, in particular the bilge channel or the drainage pipe, has an inclination towards the waterline in the direction of the bow when unloaded and towards the stern in the loaded state, it is particularly advantageous if a first outlet opening in the bow and a second outlet opening are provided in the stern.

With a further advantage it is provided that the outlet opening is designed to be closable.

A slide or a flap can be provided for this purpose.

Furthermore, it can be provided that the base has a preferably bowl-shaped or trough-shaped or pot-shaped lowered area.

Such a configuration is particularly advantageous when used in a rowing boat. Because the bottom of the small boat is always above the waterline, at least in some areas, either the seat for the occupants of the small boat has to be raised, or the occupants are in an uncomfortable seating position with their knees bent sharply.

This can be counteracted by having the bottom in a bowl-shaped, trough-shaped or pot-shaped sunken area. The lowered area is arranged in particular in the immediate vicinity in front of a bench seat.

The occupant of the small boat can place their feet in this lowered area in the form of a bowl, top or trough. Thus, despite the raised floor, a comfortable seating position can be guaranteed without having to raise the seat.

The dish-shaped, pot-shaped or trough-shaped sunken area is preferably watertight. Water can then collect in the lowered area, which is not discharged from the small boat.

The bowl-shaped, pot-shaped or trough-shaped sunken area can also be designed in such a way that there is a drain hole there. It is advantageous if the bottom of the lowered area is above the waterline when unloaded, so that water penetrating into the boat can run off. (When loaded, water can then collect in the lowered area, which is not drained out of the small boat.)

With a further advantage, it can be provided that the hull has oarlocks, the oarlocks being arranged higher than a curb of the hull or the oarlocks being arranged lower than a curb of the hull, the oarlocks preferably being arranged below the curb.

Due to the area of the floor above the waterline for any payload, it may be necessary to raise the small boat seat and curb. So that a rudder or belt can continue to be used to drive the small boat, it may then be necessary for the oarlocks to be arranged lower than in the known manner and in particular below the board edge. For this purpose, the board wall can have openings below the board edge, in which the oarlocks are arranged, or through which the oars or belts are guided. Conversely, if the board edge is not raised, it is advantageous if the oarlocks are arranged higher than the board edge of the hull.

With a further advantage, it can be provided that a buoyancy body is arranged between the outer fuselage shell and the inner fuselage shell, the buoyancy body preferably comprising a foamed plastic.

The buoyancy body is then arranged in the double fuselage or double bottom formed by the outer fuselage shell and the inner fuselage shell.

character list

• 1 ein erstes Kleinboot in einem Längsschnitt,
• 2 das erste Kleinboot in einer Querschnittsansicht,
• 3 das erste Kleinboot in einer Aufsicht,
• 4 ein zweites Kleinboot im unbeladenen Zustand,
• 5 das zweite Kleinboot im beladenen Zustand, und
• 6 ein drittes Kleinboot.

The invention is explained in more detail below with reference to the accompanying figures. Show it:

• 1 a first small boat in a longitudinal section,
• 2 the first small boat in a cross-sectional view,
• 3 the first small boat in a supervision,
• 4 a second small boat unloaded,
• 5 the second small boat when loaded, and
• 6 a third small boat.

Detailed description of the figures

In the attached figures, identical or corresponding features are identified by the same reference numbers.

1 shows a longitudinal section through a small boat 100, which is designed as a rowing boat 10. 2 shows a cross section through the small boat 100 and 3 shows a top view of the small boat 100. The small boat 100 comprises a hull 11 with an outer hull shell 12 and an inner hull shell 13. The inner hull shell 13 has a floor 14. Furthermore, in 1 a waterline 15 in the unloaded state of the small boat 100 and a waterline 16 in the loaded state of the small boat 100 are shown. The small boat is designed in such a way that the bottom 14 of the inner hull shell 13 is above the waterline, regardless of the payload, i.e. when unloaded above the waterline 15 when unloaded and when loaded above the waterline 16 when loaded. The bottom 14 of the inner hull shell 13 also has a slope in the direction of the bow 17 in relation to the respective waterline 15, 16 both in the unloaded state and in the loaded state. As in particular from the 2 to recognize is, the floor 14 also has an incline or a slope in the direction of a center line 18 of the small boat 100 . A drainage device 20 designed as a bilge channel 19 is provided in the floor 14 of the inner hull shell 13 along the center line 18 . At the stern 21 of the small boat 100 the bilge channel 19 is open to the outside via an outlet opening 22 . Due to the payload-independent inclination of the bottom 14 in relation to the water lines 15, 16 and in relation to the center line 18, water that has penetrated the small boat 100 flows both in the unloaded state and in the loaded state in the direction of the bow 17 and into the drainage channel 19 and is drained by means of the drainage channel 19 the outlet opening 22 discharged from the small boat 100. The outer fuselage shell 12 and the inner fuselage shell 13 simulate 2 a double hull 23 out. A buoyancy body 24 can be arranged in the double hull 23 . In the bottom 14 of the inner hull shell 13, two trough-shaped or pot-shaped lowered areas 25 are provided, in which a small boat occupant can put his feet. This ensures a comfortable seating position without the bench seat 26 having to be raised due to the double trunk 23 . Alternatively, the seat 26 can be raised. In this case, it can be provided that the oarlocks 29 are attached to the curb 30 in an elevated manner ( 2 ).

In the 4 and 5 another small boat 100 is shown. In 4 the small boat 100 is shown in the unloaded state in relation to the waterline 15 in the unloaded state. In 5 the small boat 100 is shown in the loaded state in relation to the waterline 16 in the loaded state. Opposite the small boat 100 the 1 until 3 points at the small boat 100 of the 4 and 5 the floor 14 of the inner hull shell 13 in the unloaded state has an inclination relative to the waterline 15 in the unloaded state in the direction of the bow 17 ( 4 ). In the loaded state, however, the bottom 14 of the inner hull shell 13 has an inclination in relation to the waterline 16 in the loaded state in the direction of the stern 21 . This behavior can be achieved in that the double hull 23 is thicker in the area of the stern 21 than in the area of the bow 17 . Since small boat occupants usually sit in the area of the stern 21, the small boat 100 lowers more there, so that the change in the direction of inclination from the bow 17 to the stern 21 is achieved. In the stern there is a first outlet opening 22. In the bow 17 there is a second outlet opening 27. Compared to the configuration of FIG 1 until 3 points the small boat 100 to the 4 and 5 no drainage channel 19 on.

In the unloaded state after 4 Water that has entered the small boat 100 flows in the direction of the bow 17 and is discharged there from the small boat 100 via the second outlet opening 27 . When loaded 5 water that has penetrated the small boat 100 flows out in the direction of the stern 21 through the first outlet opening 22 .

6 shows another small boat 100. Instead of a bilge channel 19, this has a drain pipe 28 as the drain device 20, which is connected to the inclined bottom 14 in the region of the bow 17 at the lowest point of the latter. The function of the drain pipe 28 corresponds to that of the drainage channel 19.

Reference List

100

small boat

10

rowing boat

11

hull

12

Outer hull shell

13

Inner hull shell

14

Floor

15

Waterline when unloaded

16

Waterline when loaded

17

bow

18

centerline

19

drainage channel

20

drainage device

21

Rear

22

First outlet port

23

double hull

24

buoyancy body

25

sunken area

26

bench

27

Second outlet port

28

drain pipe

29

oarlocks

30

curb

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• DE 1531707 A [0005]
• DE 1556844 A1 [0006]

Claims (18)

Small boat (100), in particular a rowing boat (10), comprising a hull (11) with an outer hull shell (12) and an inner hull shell (13), the inner hull shell (13) having a floor (14), characterized in that at least one area of the bottom (14) is above the waterline (15, 16) regardless of the payload. Small boat (100) after claim 1 , characterized in that the entire floor (14) and/or the entire inner hull shell (13) is above the waterline (15, 16) regardless of the payload. Small boat (100) after claim 1 or 2 , characterized in that the small boat is not a sailing boat and/or has no sail. Small boat (100) according to one of the preceding claims, characterized in that the small boat has a motor, in particular an outboard motor. Small boat (100) according to one of the preceding claims, characterized in that the bottom (14) has an inclination relative to the water line (15, 16) in the unloaded and/or in the loaded state. Small boat (100) after claim 5 , characterized in that the floor (14) slopes towards the bow (17), or that the floor (14) slopes towards the stern (21), and/or that the floor (14) slopes towards a center line (18) or keel line drops. Small boat (100) according to one of the preceding claims, characterized in that a drainage device (20) is provided. Small boat (100) after claim 7 , characterized in that the discharge device (20) falls in the unloaded and/or in the loaded state in the direction of the bow (17) or that the discharge device (20) in the unloaded and/or in the loaded state falls in the direction of the rear (21). Small boat (100) after claim 7 or 8th , characterized in that the drainage device (20) is a drainage channel (19), the inner fuselage shell (13) comprising the drainage channel (19), the drainage channel (19) preferably running along a center line (18) or keel line. Small boat (100) after claim 9 , characterized in that the drainage channel (19) in the unloaded and/or in the loaded state falls towards the bow (17), or that the drainage channel (19) falls towards the stern (21). Small boat (100) after claim 9 or 10 , characterized in that the bilge channel (19) is at least partially covered and/or closed at the top. Small boat (100) after claim 7 or 8th , characterized in that the drain device (20) is a drain pipe (28), wherein the drain pipe (28) is connected to the floor (14). Small boat (100) according to one of the preceding claims, characterized in that the hull (11), in particular the inner hull shell (13) and the outer hull shell (12), has an outlet opening (22, 27), the outlet opening (22, 27 ) is preferably above the waterline (15, 16) regardless of the payload. Small boat (100) after Claim 13 , characterized in that the outlet opening (22, 27) is arranged in the bow (17) and/or in the stern (21). Small boat (100) after Claim 13 or 14 , characterized in that the outlet opening (22, 27) is designed to be closable. Small boat (100) according to one of the preceding claims, characterized in that the floor (14) has a preferably bowl-shaped or trough-shaped or pot-shaped lowered area (25). Small boat (100) according to one of the preceding claims, characterized in that the hull (11) has oarlocks (29), the oarlocks (29) being arranged higher than a board edge (30) of the hull (11), or the oarlocks (29) are arranged lowered in relation to a curb (30) of the hull (11), the oarlocks (29) preferably being arranged below the curb (30). Small boat (100) according to one of the preceding claims, characterized in that a buoyant body (24) is arranged between the outer hull shell (12) and the inner hull shell (13), the buoyant body (24) preferably comprising a foamed plastic.

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