GB2317864A - Bonnet lock immobiliser - Google Patents
Bonnet lock immobiliser Download PDFInfo
- Publication number
- GB2317864A GB2317864A GB9620807A GB9620807A GB2317864A GB 2317864 A GB2317864 A GB 2317864A GB 9620807 A GB9620807 A GB 9620807A GB 9620807 A GB9620807 A GB 9620807A GB 2317864 A GB2317864 A GB 2317864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lock
- bonnet
- connectors
- immobiliser
- bonnet lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A bonnet lock immobiliser comprises a release cable 1 which is cut and the two ends inserted into the connectors 2 and secured. Electromagnets 3A,3B move a swinging arm between a position in which the connectors 2 engage to operate the cable and a position in which the connectors are not engaged, so that the bonnet lock cannot be released.
Description
BONNET LOCK IMMOBILISER
This invention relates to a bonnet lock immobiliser.
l he bonnet of a motor vehicle is released by the means of a handle inside the vehicle, which pulls a cable and releases the bonnet from the bonnet lock Even when a vehicle is fitted with an alarm and engine immobiliser it is easy for a potential thief to enter the vehicle, release tlie bonnet, disarm the alarm and engine immobiliser and take tiie veIide.
Tllix iiivention when fitted to the bonnet release cable, will prevent the release of the bonnet from inside the vehide. This invention can be used in conjunction with an engine immobiliser and alarm system, or on its own if an essential part of the engine is removed : eg rotar arm or high tension lead, or it can incorperate an alarm and immobiliser.
Figure 1 Shows the device in the OFF position when magnet 3a has been activated and has held the swinging arm 4 with the connectors 2 together.
Figure 2 Shows the device in the ON position when magnet 3b has been activated and has held the swinging arm 4 with the connectors 2 apart. (springs and cables not shown for clarity but as in figure 1.)
Figure 3 Is an end view of the swinging arm 4 showing one of the methods of how the connectors 2 are held in place but are allowed to move backwards and forwards.
Figure 4 Shows one of the alternative designs for the way the connectors 2 interlock.
(Figure 1 & 2 show an elevated open view )
The bonnet lock immobiliser is mounted in a suitable position in the engine compartment by means provided (not shown) where the bonnet lock release cable is situated. The release cable 1 is then cut and the two ends are inserted into the connectors 2 and secured by grub screws, nipples or similar means (not shown). When the connectors 2 are together in the OFF position the bonnet can be released in the normal way by operating the handle. When the connectors are apart in the ON position, the bonnet cannot be released by the handle. The connectors are put into the OFF and ON position by remote controlled electrical circuit which operates the electromagnets 3a\3b by giving the relevant magnet a short supply of electricity from the vehicle battery which pulls the swinging arm 4 into position and is held there by the residual holding force of the magnet 3a and cannot move from this position until the other magnet 3b is operated by the same procedure. The ON position magnet 3b is set at a desired angle required to open the connectors 2 enough so that when the handle is pulled the connectors 2 pass each other and do not release the bonnet lock. The springs 5 (optional at this stage) are there to help move the swinging arm 4 against the residual holding force of the magnet 3alb holding the swinging arm 4 to the other magnet 3a\b. The return springs 6 keep the connectors 2 in the desired position. The swinging arm 4 incorperates a metal armature 7 for the magnets 3a\b to attract and a pin 8 for the arm to swing on.
Claims (4)
1 A lock mechanism for a vehicle having a pivoting arm activated betweetl a first dosed position and a second open position by means of an clcctromagnetic arrangement or by an electric motor operating worm antl gear or rack and pinion components or similar.
2 A lock as claimed in claim 1 adapted for use on a bonnet.
3 A lock as claimed in any preceding claim adapted to be mounted ott a release cable of a vehicle.
4 A lock substantially as herein before described with reference to and as illustrated in the accompanying drawings.
It will be appreciated that although the lock has been described as bonnet lock the invention is not restricted to this, for example the lock may be used on a boot or the like, or any device operated by a cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9620807A GB2317864B (en) | 1996-10-05 | 1996-10-05 | Bonnet lock immobiliser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9620807A GB2317864B (en) | 1996-10-05 | 1996-10-05 | Bonnet lock immobiliser |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9620807D0 GB9620807D0 (en) | 1996-11-20 |
GB2317864A true GB2317864A (en) | 1998-04-08 |
GB2317864B GB2317864B (en) | 2001-01-17 |
Family
ID=10801002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9620807A Expired - Fee Related GB2317864B (en) | 1996-10-05 | 1996-10-05 | Bonnet lock immobiliser |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2317864B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2967114A1 (en) * | 2010-11-08 | 2012-05-11 | Peugeot Citroen Automobiles Sa | Protective device for control cable of opening of bonnet cover in front portion of motor vehicle, has cable locking unit including cam movable to locking position in which edge of cam locks cable when cable sheath is set in motion |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1604616A (en) * | 1977-06-14 | 1981-12-09 | Teleflex Morse Ltd | Remote control mechanisms |
EP0179728A1 (en) * | 1984-10-22 | 1986-04-30 | Gisèle née Maire Barbarot | Antitheft method and apparatus, particularly for motor vehicles, controlling by blocking the action of the coupling cable |
GB2184511A (en) * | 1985-11-30 | 1987-06-24 | Inventa Chemicals Ltd | A security device |
US4802378A (en) * | 1984-03-08 | 1989-02-07 | Delta Elettronica S.R.L. | Bowden cable |
US4836591A (en) * | 1987-04-10 | 1989-06-06 | Abc Auto Alarms, Inc. | Anti-theft vehicle hood lock release blocker mechanism |
GB2222204A (en) * | 1988-08-22 | 1990-02-28 | David Yahas | Vehicle bonnet/hood locking device |
-
1996
- 1996-10-05 GB GB9620807A patent/GB2317864B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1604616A (en) * | 1977-06-14 | 1981-12-09 | Teleflex Morse Ltd | Remote control mechanisms |
US4802378A (en) * | 1984-03-08 | 1989-02-07 | Delta Elettronica S.R.L. | Bowden cable |
EP0179728A1 (en) * | 1984-10-22 | 1986-04-30 | Gisèle née Maire Barbarot | Antitheft method and apparatus, particularly for motor vehicles, controlling by blocking the action of the coupling cable |
GB2184511A (en) * | 1985-11-30 | 1987-06-24 | Inventa Chemicals Ltd | A security device |
US4836591A (en) * | 1987-04-10 | 1989-06-06 | Abc Auto Alarms, Inc. | Anti-theft vehicle hood lock release blocker mechanism |
GB2222204A (en) * | 1988-08-22 | 1990-02-28 | David Yahas | Vehicle bonnet/hood locking device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2967114A1 (en) * | 2010-11-08 | 2012-05-11 | Peugeot Citroen Automobiles Sa | Protective device for control cable of opening of bonnet cover in front portion of motor vehicle, has cable locking unit including cam movable to locking position in which edge of cam locks cable when cable sheath is set in motion |
Also Published As
Publication number | Publication date |
---|---|
GB2317864B (en) | 2001-01-17 |
GB9620807D0 (en) | 1996-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20061005 |