WO2021064261A1

WO2021064261A1 - Lock with security bracket

Info

Publication number: WO2021064261A1
Application number: PCT/ES2020/000038
Authority: WO
Inventors: Carlos Andres Valderrey Fernandez
Original assignee: Carlos Andres Valderrey Fernandez
Priority date: 2019-10-01
Filing date: 2020-09-01
Publication date: 2021-04-08
Also published as: ES1240234Y; ES1240234U

Abstract

The invention relates to a lock with a security bracket, which is characterised by comprising a lock mounted on a structural element to which is fastened a security bracket that covers the keyhole, the clearance between the keyhole and the security bracket being such that it allows the lock key to be placed, inserted and removed simply, and also prevents the key, once inserted, from being struck by a hammer.

Description

DESCRIPTION OF LOCK WITH SAFETY BRIDGE

OBJECT OF THE INVENTION

It is the object of the present invention, as the title of the invention establishes. a lock with a security bridge that prevents the door from being opened using fraudulent techniques such as “bumping”.

The present invention is characterized by the combination that occurs between a lock and the security bridge associated with the structural element in which the lock is mounted. Therefore, the present invention is circumscribed within the scope of the means used to improve the security of locks and in particular those that protect locks from fraudulent techniques.

BACKGROUND OF THE INVENTION

The method of opening doors called "dumping" consists of inserting a manipulated key into the lock cylinder and striking it in order to make the cylinder pistons "dance". This makes the cylinder pistons jump simultaneously when the key is struck, allowing the key to rotate and therefore the opening of the security door.

The Bumping technique takes just half a minute to complete and does not damage the door locking system, making it difficult to see at first glance.

A bumping key or bump key is the key that is inserted inside the security lock to be struck and make the pistons of the cylinder jump. This key is not an ordinary key, but a special key that fits most locks and is positioned downward to receive a sharp blow with an object (usually a hammer) and open the door.

Obtaining a bumping key is apparently not complicated, since on the Internet there are not only explanatory videos of the technique to open doors, but several websites appear where they explain how to make a bumping key or where to buy it.

Today it has become one of the most dangerous theft techniques for homeowners and security systems. Typically, professional thieves use complex tools to pick security locks and penetrate the most advanced systems.

However, with dumping another phenomenon occurs. The simplicity of this method causes many users to try to open a door through this method.

Knowing it is available to anyone. There are countless videos explaining how it is done and this information in the hands of criminals is doing a lot of harm to homeowners.

The techniques developed to avoid the opening of doors using the dumping method are:

- Install an armored door with an anti-bumping cylinder guaranteed by the manufacturer. This cylinder is not 100% infallible but it guarantees that its opening by the dumping technique will be very difficult for the intruder.

- Another way to combat bumping is to attack the root of the problem. If the problem is that the cylinder can be attacked, the solution would be to hide the cylinder by another security element such as a flared magnetic shield. However, this solution makes the lock more expensive and complicates own opening process if it requires another security element added to the lock itself.

Therefore, the object of this application is to develop a lock protected against tampering, such as dumping, where the protection is 100% effective and does not need to establish complex additional security elements that make the lock more expensive, developing a lock such as which is described below and is collected in its essentiality in the first claim.

DESCRIPTION OF THE INVENTION

The object of the present invention is a security lock that comprises a lock mounted on a structural element on which a security bridge is fixed that covers the mouth of the lock so that the free distance that remains between the mouth of the lock and The security bridge is such that it allows the lock key to be placed and it can be inserted and extracted in a simple way and also prevents the key from hitting once it has been inserted with a hammer, leaving the security bridge attached to the structural element on the one that the lock is mounted or forming part of the structural dement.

The structural element on which the lock is mounted, in a possible non-limiting embodiment, can be a door and said security bridge is either originally mounted on a door in the absence of placing the lock or is mounted to posteriori.

In the case of fixing the security bridge on the lock a posteriori, the fixation can be carried out by any of the known methods, either by means of high-fixing screws whose heads have subsequently been annulled, or by means of welding points or rivets. In the case of using the security bridge in a padlock, the padlock itself structurally already comes from the factory with a security bridge covering the mouth of the key, regardless of whether it is a square padlock with ball lock, or a padlock more classic with semi-round arch closure,

Thanks to the safety bridge lock, protection against the opening of doors by means of the bumping method is achieved in a simple and effective way. It is also an effective protection against screwdrivers, as low-level locks are tampered with and forced by a screwdriver.

Unless otherwise indicated, all technical and scientific elements used herein have the meanings commonly understood by one of ordinary skill in the art to which this invention pertains. Methods and materials similar or equivalent to those described herein can be used in the practice of the present invention.

Throughout the description and the claims the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and characteristics of the invention will emerge partly from the description and partly from the practice of the invention.

EXPLANATION OF THE FIGURES

To complement the description that is being made and in order to help a better understanding of the characteristics of the 3rd invention, according to a preferred example of a practical embodiment thereof, a set of drawings is attached as an integral part of said description. where by way of illustration and not limitation, the following has been represented.

In figure 1, we can see a first visualization of the lock with safety bridge object of the invention.

In figure 2 we can see another different visualization. An alternative embodiment for two locks is shown in figure 3. In figure 4 an embodiment applicable to a padlock is shown.

PREFERRED EMBODIMENT OF THE INVENTION

In view of the figures, a preferred embodiment of the proposed invention is described below.

In figure 1 we can see that the lock with a security bridge comprises the lock itself (1), mounted on a structural support element, which in the case shown is a door; a bridge (3) or protective element that frontally covers the lock (!) and fixed on the structural element by means of fixing points (4).

The security bridge is mounted in such a way that it leaves a free space between the lock (1) and the part of the security bridge (3) facing each other, greater than the length of the key (2) of said lock (1) so that It can be housed in said space and can be inserted into the lock (I).

The security bridge (3) is fixed to the structural element in which the lock is mounted by means of fixing points (4), by means of any of the two known methods, such as, for example, by means of large fixing screws to which subsequently their placement has been annulled their heads, either with a solder point or tin, in such a way that it prevents using a screwdriver to extract them and thus remove the bridge. In the event that the structural element on which the lock is mounted is an aluminum door, the fixing of the security bridge can be done by means of rivets and in galvanized sheet metal by welding.

In figure 2 the elements described above can be seen again, being able to appreciate that since the mouth of the lock (1) is covered by the security bridge, there is no space to hit a key once it has been inserted into the lock by means of of a mace. Figure 3 shows the same inventive concept in which the security bridge covers two locks (1), preventing said bridge in either case from possible manipulation by means of a hammer striking an opening key to make the cylinders jump. of the lock.

Figure 4 shows an alternative embodiment in which the structural element in which the lock (1) is mounted is a padlock (5), the space facing the lock mouth (1) being protected by a security bridge ( 3) firmly attached to the body of the padlock and where the free distance (6) that remains between the mouth of the lock (1) and the point directly opposite the security bridge (3) is sufficient to be able to place and insert and remove the key in a simple way and at the same time avoid hitting with a hammer. Said security bridge (3) can already come from the factory covering the mouth of the key, regardless of whether it is a square padlock with a bolt lock, or a more classic padlock with a semi-round arch lock. The shape adopted by the safety bridge (3) is not limited to a particular one, it can be curved, as shown in Figures 1 to 3, or it can be rectangular, as shown in Figure 4.

Having sufficiently described the nature of the present invention, as well as the manner of putting it into practice, it is stated that, within its essentiality. It may be put into practice in other forms of implementation that differ in detail from the one indicated by way of example, and to which the protection sought will also be achieved, provided that it does not alter, change or modify its fundamental principle.

Claims

CLAIMS 1 Lock with a security bridge characterized in that it comprises a lock (I) mounted on a structural element on which a security bridge (3) is fixed that covers the mouth of the lock (1) so that the free distance (6 ) that remains between the mouth of the lock (1) and the security bridge (3) is such that it allows to place the key (2) of the lock and to be able to insert and extract it in a simple way and that also prevents the striking of the key once inserted by means of a brown.

2.- Lock with security bridge according to claim 1, characterized in that the security bridge (3) is connected to the structural element on which the lock is mounted by means of high-fixing screws to which the head has been canceled by means of solder or some tin points.

3. Lock with a security bridge according to claim 1, characterized in that the security bridge (3) is connected to the structural element on which the lock is mounted by means of rivets.

4. Lock with a security bridge according to claim 1, characterized in that the security bridge (3) is joined with the structural element on which the lock is mounted by welding.

5. Lock with a security bridge according to any of the preceding claims, characterized in that the structural element on which the lock is fixed is a door.

6.- Lock with security bridge according to claim 1, characterized in that the structural element on which the lock is fixed is a padlock (5) and the security bridge (3) is part of the body structure! of the padlock.