Anti-tampering and break-in security device for motor vehicles.

A metal structure attached to the vehicle's lock tongue, with a semicircular section and auxiliary support, addresses the need for enhanced security and noise reduction without altering the vehicle's structure, preserving aesthetics and ease of installation.

BR202025000949U2Pending Publication Date: 2026-07-28FELIPE GABRIEL ROMANINI NEVES
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Patent Information

Application Number
BR202025000949
Authority / Receiving Office
BR · BR
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Conventional security devices for vehicle doors require structural alterations, are costly, and do not adequately protect against paint damage or noise during operation, compromising vehicle integrity and aesthetics.

Method used

A metal structure with a semicircular section attached to the lock tongue, an angled bend, and a straight segment, combined with a secondary auxiliary support and protective coatings, providing enhanced mechanical resistance and noise reduction without altering the vehicle's original structure.

Benefits of technology

The device enhances security against break-ins, preserves vehicle aesthetics, and reduces operational noise while ensuring easy installation across various vehicle models.

✦ Generated by Eureka AI based on patent content.

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Description

1 / 8 Anti-tampering and break-in security device for motor vehicles. MODEL FIELD

[001] This utility model patent application refers to a security device configured by a metal structure designed to reinforce protection against tampering and break-ins in motor vehicles. The field of application is aimed at the automotive sector, more particularly, at increasing the security of vehicle doors during parking or in risky conditions. This model aims to provide a security device fixed to the door lock tongue of the vehicle, without the need for alterations to the vehicle's original structure, resulting in greater resistance to break-in attempts, as well as additional protection to the padlock. In addition, it offers advantages such as preserving the vehicle's paintwork through the use of strategically positioned rubberized adhesives. PROBLEM TO BE SOLVED

[002] The present utility model aims to solve the problem related to the vulnerability of automotive vehicle door locks to attempted break-ins or tampering, especially when parking in unsafe locations. Namely, conventional solutions to address these problems require alterations to the vehicle's structure, which can compromise its integrity, hinder installation, or generate additional costs. Furthermore, conventional solutions often do not provide adequate protection against paint damage or prevent noise during use, affecting the functionality and aesthetics of the vehicle. CURRENT STATE OF THE ART

[003] Document MU 8600158-2, published on 23 / 10 / 2007, is known from the current state of the art. It describes a burglary signaling sensor for automotive doors, which has a housing that fits perfectly into the car's structure between the bodywork and the door rubber; said sensor is nothing more than a normally open configuration switch, in this case requiring a relay to Petition 870250004054, dated 17 / 01 / 2025, page 5 / 25 2 / 8 transformation of the signal to be sent to a conventional alarm control panel; or a normally closed switch that acts directly on the control panel, without the need for a relay, sending a direct signal to the control panel of the triggered alarm, when an attempt to break in occurs by bending the door.

[004] Document BR 102012005063-3, published on 10 / 29 / 2013, describes a protective device for automotive doors, which includes a tube divided into six parts, aligned and crossed by an elastic band, and also has adjustable hooks at the ends for fixing to the vehicle.

[005] Document BR 112012020794-6, published on 03 / 05 / 2016, which describes an automotive door latch device, consisting of a base plate adapted to be mounted to a door; a body comprising a housing part formed on one side thereof, the housing part being covered with the base plate on one side thereof; a latch housed in the housing part of the body and rotatably supported on the base plate by means of a first support shaft, wherein the latch is adapted to be driven to rotate by a stop on one side of the vehicle body; a latch return spring housed in the housing part of the body, to propel the latch towards a return position thereof; a tongue housed in the housing part of the body in a position below the latch and rotatably supported on the base plate via a second support shaft, the tongue being engageable with the latch to inhibit the latch from rotating in a door opening direction;and a tongue return spring for impelling the tongue to rotate toward a return position thereof, wherein the housing part of the body is open downwards in a position below the tongue, and wherein the tongue return spring is mounted on a spring mounting part formed on another side of the body in a position away downwards from a rotating support part of the tongue, the tongue return spring comprising a tongue-side end part that enters the housing part of the body through a hollow hole provided in the body, and engages with the tongue.

[006] The present model presents significant differences in relation to the prior art documents analyzed. Unlike MU 8600158-2, which describes a Petition 870250004054, dated 17 / 01 / 2025, page 6 / 25 This 3 / 8 burglary sensor, composed of electronic switches, relays, and other electronically activated components for detecting attempted break-ins, utilizes a metallic structure consisting of a semicircular section with an oblong slot for attachment to the lock tongue, an angled bend, and a straight segment, forming a direct mechanical system independent of any electronic component. In relation to BR 102012005063-3, which describes devices based on segmented tubes connected by elastic bands and fixed by adjustable hooks for surface door protection, this model differs by having a rigid structure directly coupled to the lock tongue, without depending on elastic elements or hooks, thus providing greater stability and structural resistance.Compared to BR 112012020794-6, which describes a latch device composed of plates, springs, and rotating shafts, the present model adopts a simplified structure, consisting of an opposing semicircular section equipped with a hole for attaching a padlock, eliminating the complexity of internal mechanisms with multiple moving parts. Furthermore, the present model incorporates strategically positioned heat-shrinkable coatings and rubberized adhesives. MODEL OBJECTIVES

[007] The objective of the present model is to provide a safety device fixed to the latch of the door lock of motor vehicles, without the need for modifications or alterations to the original structure of the vehicle.

[008] The aim of this model is to reinforce protection against violations and break-ins of vehicle doors, ensuring greater mechanical resistance to attempted intrusions.

[009] The aim of this model is to preserve the aesthetic integrity of the vehicle, through the use of protective coatings and strategically positioned rubberized adhesives that prevent damage to the paint.

[010] The aim of this model is to reduce the noise generated during the operation or movement of the device, ensuring quieter operation; Petition 870250004054, dated 17 / 01 / 2025, page 7 / 25 4 / 8

[011] The aim of this model is to offer a simple and efficient installation, allowing its practical and safe use in different models of automotive vehicles. GENERAL DESCRIPTION OF THE MODEL

[012] The present model comprises a security device designed to reinforce protection against tampering and break-ins on automotive vehicle doors, without the need for structural alterations to the vehicle. The model comprises a metal structure composed of a semicircular section with an oblong slot for attachment to the lock tongue, an angled bend that follows the contour of the vehicle door pillar, and a straight segment arranged perpendicularly to the semicircular section, connected to an opposite semicircular section equipped with a hole for receiving a padlock. Additionally, the present model has a secondary auxiliary support in a 'U' shape, equipped with a vertical slot for additional protection of the padlock, and is coated with a heat-shrinkable layer, as well as strategically positioned rubberized adhesives, contributing to the preservation of the vehicle's paint and the reduction of noise during use. ADVANTAGES OF THE MODEL

[013] The present model includes the following advantages: ^ Provides a security device attached to the vehicle's door lock tongue without requiring structural alterations to the vehicle, preserving its original integrity; ^ Enhances protection against burglaries and break-ins, increasing vehicle security in locations susceptible to break-ins; ^ Includes protective coatings, such as heat-shrink tubing, that protect the vehicle's paint from damage caused by the use of the device; ^ Reduces operational noise through the use of strategically positioned rubberized stickers, ensuring quieter operation; ^ It offers simple and practical installation, allowing its use in different models of automotive vehicles; ^ Provides additional protection to the padlock with the secondary U-shaped auxiliary support, increasing the difficulty of improper tampering; Petition 870250004054, dated 17 / 01 / 2025, page 8 / 25 5 / 8 V. Preserves the vehicle's aesthetics, ensuring that the device does not compromise its external appearance. DESCRIPTION OF THE FIGURES

[014] The following figures are presented to better explain the patent application in an illustrative and non-limiting way:

[015] Fig. 1: shows a perspective view of the anti-tampering security device for motor vehicles;

[016] Fig. 2: shows a perspective view of the secondary auxiliary support in a 'U' shape;

[017] Fig. 3: shows a perspective view of the safety device fitted into the vehicle's lock tongue;

[018] Fig. 4: shows a perspective view of the rubberized sticker positioned on the inside, before the door lock tongue of the vehicle;

[019] Fig. 5: shows a perspective view of the closed vehicle door, with the opposite semicircular section fitted with a hole, partially exposed externally, ready to receive a secondary auxiliary support in a U shape;

[020] Fig. 6: shows a perspective view of the rubberized stickers used on the outside of the vehicle door, in a symmetrical and opposite manner;

[021] Fig. 7: shows a perspective view of the secondary auxiliary support in U-shape fitted into the opposite semicircular section by means of its vertical slot;

[022] Fig. 8: shows the side view, showing the padlock inserted into the hole of the partially exposed semicircular section and overlaid by the secondary auxiliary support in U shape. DETAILED DESCRIPTION OF THE MODEL

[023] ANTI-TAMPERING AND BREAK-IN SECURITY DEVICE FOR AUTOMOTIVE VEHICLES, refers to a security device (1) consisting of a metal structure (2) designed to reinforce protection against tampering and break-ins in automotive vehicles. The device comprises a semicircular section (3) provided with an oblong slot (4) for fixing to the lock tongue (LF) of the vehicle door, an angular bend (5) configured to follow the contour Petition 870250004054, dated 17 / 01 / 2025, page 9 / 25 6 / 8 of the vehicle door column (C), and a straight segment (6) arranged perpendicularly to the semicircular section (3), forming a 90° angle. This segment connects to an opposite semicircular section (7), equipped with a hole (8) for receiving a padlock. Additionally, the model includes a secondary auxiliary support in a 'U' shape (9), equipped with a vertical slot (10) for alignment and protection of the padlock, coated with a heat-shrinkable layer (11) and electrostatic paint, and accompanied by rubberized stickers (12) positioned for paint protection and noise reduction during use.

[024] In more detail, the security device (1) is configured by a metal structure (2) composed of a semicircular section (3) provided with an oblong slot (4), designed to pass through and fit into the lock tongue (LF) of the vehicle door. The semicircular section (3) of the security device (1) leads to an angular bend (5), which follows the contour of the pillar (C) of the vehicle door. The angular bend (5) is connected to a straight segment (6) arranged perpendicularly to the semicircular section (3), forming a 90° angle that allows perfect fitting into the 90° bend of the pillar (C) of the vehicle door. The straight segment (6) arranged perpendicularly to the semicircular section (3) is connected to an opposite semicircular section (7) equipped with a hole (8) designed to receive a padlock.

[025] After the vehicle door is closed, the opposite semicircular section (7) equipped with a hole (8) remains partially exposed externally, ready to receive a secondary auxiliary support in U-shape (9), equipped with a vertical slot (10) that fits and passes through the opposite semicircular section (7), functioning as an auxiliary protective element to the padlock, contributing to greater security against tampering.

[026] Nevertheless, the safety device (1) is coated with a heat-shrinkable layer (11) that protects the vehicle's paintwork from damage, while the secondary auxiliary support in U-shape (9) is equipped with electrostatic paint.

[027] Both components, the safety device (1) and the secondary auxiliary support in U-shape (9) are made of stainless steel and come with Petition 870250004054, dated 17 / 01 / 2025, page 10 / 25 7 / 8 rubberized stickers (12) strategically positioned: one on the inside, before the lock tongue (LF) of the vehicle door, and two on the outside of the vehicle door, symmetrically and oppositely, ensuring that the secondary auxiliary support in U shape (9) does not scratch the vehicle paint and avoids excessive noise during use. FROM THE ASSEMBLY

[028] To begin assembly, the safety device (1) is fitted into the lock tongue (LF) of the vehicle door, so that the oblong slot (4) of the semicircular section (3) allows for its proper fixation. The angled bend (5) is positioned following the contour of the vehicle door pillar (C), while the straight segment (6) is adjusted to align with the 90° bend of the pillar (C), ensuring the stable positioning of the safety device (1). Subsequently, the opposite semicircular section (7), equipped with the hole (8), is adjusted to be partially exposed on the outside of the door. The secondary auxiliary U-shaped support (9) is then fitted into the opposite semicircular section (7) by means of its vertical slot (10), completing the structure. Finally, the rubberized stickers (12) are strategically positioned for paint protection and noise reduction, ensuring perfect alignment and safe use of the device. HOW IT WORKS

[029] With the security device (1) mounted and the vehicle door closed, the security device (1) remains fixed to the lock tongue (LF), while the opposite semicircular section (7), equipped with the hole (8), is partially exposed. Initially, the secondary U-shaped auxiliary support (9) is inserted into the opposite semicircular section (7) through its vertical slot (10), ensuring alignment and additional protection. Only after the secondary U-shaped auxiliary support (9) is properly positioned is the padlock inserted into the hole (8), completing the locking mechanism and providing greater security against tampering. The heat-shrinkable layer (11) on the security device (1) and the electrostatic paint on the secondary U-shaped auxiliary support (9) ensure protection against damage to the vehicle's paint, while the rubberized adhesives (12) prevent noise. Petition 870250004054, dated 17 / 01 / 2025, page 11 / 25 8 / 8 THE PURPOSE OF THE MODEL

[030] The present security device (1) acts as reinforcement against violations and break-ins of the vehicle door, using a metal structure (2) composed of a semicircular section (3) with an oblong slot (4) that attaches to the lock tongue (LF). Its configuration includes an angled bend (5), a straight segment (6) and an opposite semicircular section (7) equipped with a hole (8) for receiving a padlock. The secondary auxiliary support in U-shape (9), equipped with a vertical slot (10), complements the mechanism, guaranteeing additional protection to the padlock. The security device (1) is coated with a heat-shrinkable layer (11), while the U-shaped support (9) has electrostatic paint, both accompanied by strategically positioned rubberized stickers (12) for protection of the vehicle's paint and noise reduction. Petition 870250004054, dated 17 / 01 / 2025, page 12 / 25

Claims

1 / 1 CLAIM 1) ANTI-TAMPER AND BURGLARY SECURITY DEVICE FOR AUTOMOTIVE VEHICLES, consists of a security device (1) to be applied to the lock tongue (LF) located on the door pillar (C) of the vehicle, characterized by comprising a metallic structure (2) composed of a semicircular section (3) provided with an oblong slot (4) configured to pass through and fix itself to the lock tongue (LF) of the vehicle door; by having an angular bend (5) connected to the semicircular section (3), configured to follow the contour of the door pillar (C) of the vehicle; a straight segment (6) arranged perpendicularly to the semicircular section (3), forming a 90° angle; an opposite semicircular section (7) connected to the straight segment (6), equipped with a hole (8) for receiving a padlock; a secondary auxiliary support in the shape of a 'U' (9), equipped with a vertical slot (10) configured to pass through the opposite semicircular section (7);a heat-shrinkable layer (11) covering the metal structure (2) of the safety device (1) and having rubberized stickers (12), one applied to the inside of the column (C) before the lock tongue (LF) of the vehicle door, and two on the outside of the vehicle door, in a symmetrical and opposite manner. Petition 870250004054, dated 17 / 01 / 2025, page 13 / 25