DE29715614U1 - Bird control - Google Patents

Description

Bird repellent

It is well known that birds leave a large amount of droppings under your seats.

Preferred seating is usually any point that is above the normal ground level of the selected location.

For example, electrical cables, gutters, gables of house roofs, window sills, the upper areas of monuments, bridge railings, fences and boat covers on sailboats and motorboats.

There are several reasons why birds choose perches that are raised from the ground, i.e. above normal level.

1. Birds have very sharp eyesight and can gain a great view of the plain below them by sitting up high.

2. Elevated perches provide relatively good protection from natural enemies such as cats, martens, weasels and other animals that prey on birds.

3. It is much easier for birds to approach and take off from an elevated perch than from level ground.

Every year, significant damage is caused to monuments and buildings by the corrosive excrement of birds sitting on them.

The excrement left by birds sitting on window ledges, cornices or balconies of buildings is a serious source of disease for people living there.

As a defensive measure on monuments or concrete ledges or uninhabited buildings, closing off seating areas with nets has proven to be an effective method.

In wine-growing regions, the birds are driven away by automatic alarm systems. However, the birds return to the "feeding places" after a short time, only to flee again in fright at the next bang.

In fields near residential areas, scarecrows are often placed to signal the presence of humans to the birds.

The effect usually does not last long, as birds quickly realize that there is no real danger. They then even settle on the scarecrow to get a better overview.

In fruit and wine growing areas, artificial crows are hung up and move in the wind. Here, too, the birds quickly realize that there is no real danger.

Reflective or shiny foil strips attached to branches or ropes only deter birds for a short time. Here too, the animals quickly realize that the glittering strips pose no real danger.

Motorboats and sailing boats on the water that are anchored in the harbor or moored to a buoy are particularly affected.

These resting ships are particularly visited by seagulls as "islands" and are heavily besieged.

The seat is preferably the highest available place in as horizontal a position as possible.

On sailing boats, these are the railing and the main boom, and on covered sailing boats, the upper peak of the tarpaulin.

For motorboats it is also the railing and the upper edge areas of the boat.

The seagulls' excrement not only pollutes the boats, but also attacks the surface. A tarpaulin can be destroyed within a year.

On boats without a cover, the seagulls' excrement is washed into the boat with the rain and then comes into direct contact with people's skin when the boat is used. This can lead to illness. Apart from that, removing the "leftovers" is laborious and time-consuming.

There is also the aesthetic aspect, because a heavily soiled boat is not a pretty sight and it does not increase the prestige of the boat owner.

The aim of the invention is to design the existing seating and resting places in such a way that birds can no longer settle on them.

The invention solves this problem by means of a device which consists of geometric elements arranged in a row and is designed in such a way that each element has an unstable position around the longitudinal axis.

The following example shows how this device can be used and why it works.

The device according to the invention differs from other devices and deterrents in that the birds' perch can no longer be used as such, since its surface is covered with unstable, tilting elements, the axis of which forms the actual perch.

If a bird lands on this supposed resting place, the elements rotate around their axis and the bird would fall down if it did not fly away.

The effectiveness of this system is based on the following facts.

It is no problem for birds to perch on thin, swaying wires. They have the ability to easily balance themselves.

However, if this seat wire - thought of as an axis (A) - is provided with a geometric element (1), the dimension (X) results in an elevated seat point with an unstable position.

When a force (F) is applied to the uppermost part of the element (1), it deviates in an undefined manner in the directions (Y) via the axis (A), tilts around its axis (A) and returns to its initial state after the force (F) is removed.

The return to the initial state is achieved by a defined counterweight (2) on the surface located under the axis (A), or by shifting the natural center of gravity under the axis (A).

The size of the counterweight (2) depends on the size of the element
(1).

The weight of the counterweight (2) is designed so that the seat element (1) always swings back to its original position.

Preferably, the seat element (1) has a smooth surface and is made of rigid foam that does not absorb water and is salt water resistant.

Manufacturing the elements (1) from hollow plastic is also suitable.

The axis (A) on which the tilting elements (1) are located can be made of rigid or flexible material. In order for the tilting elements (1) to be able to move individually, spacers (3) are pushed onto the axis (A) between them.
These prevent large-scale friction between the elements (1).

The advantage of this bird deterrent is that it can be made in any length. This makes it possible to cater to all circumstances, whether a sailing boat needs to be equipped or a window ledge needs to be protected from pigeons.

On page 2, examples of how this invention can be used are given.

Figure 3 shows a sailing boat (6) with a mast (7) and boom (5) on which the gulls prefer to settle. The tilting elements (1) are stretched over the boom (5) on an axis (A) made of steel wire at a distance (H) from the mast (7) to the end of the boom (5).

In every application, the measurement (H) must be smaller than the size of a sitting bird.

This ensures that birds cannot sit under the defense device.

In Figure 4 on Sheet 2, a balcony is drawn that stands between walls (8) on a floor (12). The balcony floor (9) is provided with a paneling (10) on the outside, which ends at the top with the railing (11). These railings (11) are preferred by pigeons.

A continuous row of tilting elements (1) at a distance (H) from the railing
(11) prevents pigeons from sitting on it.

Here too, the distance (H) must be chosen so that pigeons cannot sit between the railing (11) and the tipping elements (1).

Birds that have already had experience with this system will look for another, more distant place to rest.

On the other hand, nearby birds are frightened by the excited flapping of wings of birds attempting to land in vain and instinctively flee.

Claims (13)

Protection claims 1. Device in the form of one or more three-dimensional bodies that sit on an axis through a hole running in the axial direction and thus shift the axis center that is stable for birds to the edge of this three-dimensional body, making it impossible for one or more birds to sit on it, as these bodies become unstable due to the weight load and tip over in an undefined radial direction, preventing the bird or birds from landing safely or forcing them to take off. 2. Device according to claim 1 , characterized in that any geometric-spatial shape is suitable which is capable of showing unstable behavior when subjected to a weight load from above. 3. Device according to claim 1 and 2 , characterized in that the spatial-geometric elements have a bore in the axial direction. 4. Device according to claims 1-3 , characterized in that these elements tilt away separately from one another in an undefined radial direction. 5. Device according to claims 1-4 , characterized in that these elements do not provide any possibility of balance when a rotary movement begins. 6. Device according to claims 1 - 5 , characterized in that the weight under the axis of the element is only so heavy that the element remains in a resting position by itself. 7. Device according to claims 1 - 6 , characterized in that the axis which connects the tilting elements to one another consists of rigid material. 8. Device according to claim 7 , characterized in that the axle consists of flexible material which obtains its necessary strength by tensile force at the ends. 9. Device according to one of the preceding claims , characterized in that the tilting elements consist of plastic foam. 10. Device according to one of the preceding claims , characterized in that the tilting elements do not absorb water. 11.Device according to one of the preceding claims , characterized in that the tilting elements consist of a hollow body. 12. Device according to claim 1 to 11 , characterized in that the elements consist of a light material such as plastic, light metal or wood. 13. Device according to one of the preceding claims , characterized in that the tilting elements are mounted radially movable on the axis at an axial distance from one another.