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WO2013051946A1 - Spring loaded anti piracy fence - Google Patents

Spring loaded anti piracy fence Download PDF

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Publication number
WO2013051946A1
WO2013051946A1 PCT/NO2012/050194 NO2012050194W WO2013051946A1 WO 2013051946 A1 WO2013051946 A1 WO 2013051946A1 NO 2012050194 W NO2012050194 W NO 2012050194W WO 2013051946 A1 WO2013051946 A1 WO 2013051946A1
Authority
WO
WIPO (PCT)
Prior art keywords
fence
plates
vessel
spring
plate
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.)
Ceased
Application number
PCT/NO2012/050194
Other languages
French (fr)
Inventor
Trapp KLAUS ALEXANDER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRAPP SYSTEMS
Original Assignee
TRAPP SYSTEMS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TRAPP SYSTEMS filed Critical TRAPP SYSTEMS
Publication of WO2013051946A1 publication Critical patent/WO2013051946A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/08—Barbed-wire obstacles; Barricades; Stanchions; Tank traps; Vehicle-impeding devices; Caltrops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
    • B63B2017/045—Bulwarks, or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1033—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a torsion bar

Definitions

  • the present invention regards a system and a method for preventing unauthorised access to a vessel and more particularly a guard rail for preventing e.g. pirates for accessing and entering a vessel.
  • Piracy is an escalating problem for the shipping industry the world over. Estimates of the direct and indirect costs of piracy to global trade range as high as $16 billion annually.
  • the preferred method for hijacking a vessel is to use small high speed boats that come up alongside the vessel. By attaching ropes or ladders to the railing of the vessels, they are able to force their way onto the ship. Once on-board they use guns to hijack the crew and the vessel.
  • the fence comprises a plurality of sections that can be attached to the railing of a ship. Each section comprises two main parts in the form of, a first plate extending over the railing and down the outside of the vessel. A second plate attached to the top of the first plate with a hinged. This second plate extends upwards at an angle slanting inwards towards the ship. This is to make it hard or impossible for pirates to throw or attach hooks to the railings.
  • the main point is that the top plate gives way when strain is put on the rope or ladder.
  • a problem with this solution is that it is unnecessarily complex and takes up a lot of space when it is not in use. Another problem with this solution is that the construction makes it possible overcome the barrier by using two sets of hooks.
  • the first plate is, at least at the top, attached to the railing of the vessel.
  • the plate extends downwards along the outside of the railing.
  • the second plate is attached to the top of the first plate with a hinge.
  • the second plate is further slanting outwards form the ship creating an angle between the first and the second plate between 90° - 180°.
  • the two plates are hinged together and spring-loaded in such a fashion that if a hook is thrown over the top plate it will give way and the hook falls of. After the hook has fallen of, the top plate returns to its original position.
  • the spring function can be deactivated by pushing in a button.
  • the two plates than folds together and can easily stowed away when it is not in use.
  • Figure 1 is a perspective view of a preferred embodiment of the present invention.
  • Figure 2 is a drawing of a preferred embodiment of the present invention mounted on a vessel.
  • Figure 3 is a drawing of how the present invention works.
  • Figure 4 and 5 is a detailed drawing of the spring loaded system according to an embodiment of the present invention.
  • Figure 6 is a detailed drawing of a preferred solution of the spring loaded connecting the two plates together.
  • Figure 7 and 8 are alternative solutions for how the two plates are placed in relation to each other. Detailed description
  • Figure 1 is a perspective view of a preferred embodiment of the present invention.
  • the section comprises two main parts. Each part is in the form of a square plate 101, 102.
  • the two plates 101, 102 are hinged 104 together.
  • the two plates 101, 102 have a spring function that can be activated or deactivated by the push of a button 404.
  • the spring function acts in such a way that when activated, the two plates 101, 102 are kept at a certain angle to each other.
  • both of the plates 101, 102 are similar. This means that they are of the same shape and size and both have at least one set of hooks 103. Alternative embodiments may have several sets of hooks 103 or they can have any other form of device for securing that section of the fence to the side of the vessel or any combination of devices for fastening that section of fence to the side of the boat.
  • the plates 101, 102 are preferably made of a stiff lightweight material, e.g. plastic, composite materials, lightweight metals e.g. aluminium, or Kevlar or carbon fibre materials.
  • Figure 2 is a drawing of a preferred embodiment of the present invention mounted on the side of a ship 201.
  • the set of hooks 103 on top of the first plate 101 grips around the top of the railing 202.
  • the first plate 101 extends downwards on the outer side of the railing 202 and down the side of the vessel 201.
  • the second plate 102 extends outwards from the vessel 201.
  • the two plates 101, 102 create an angle to each other of between 90° and 180°.
  • FIG 3 is a drawing of the present invention showing how the invention works when an unauthorized person tries to attach a hook 301 to the side of the vessel.
  • the hook 301 is attached to the top of the second plate 102.
  • tension is put on the hook 301 the second plate 102 is pulled down and the hook 301 slides of.
  • the hook 301 has fallen of, the second plate 102 swings back to its original position.
  • FIG 4 and 5 is a detailed cross section of the spring loaded system according to a preferred embodiment of the present invention.
  • one side of the spring loaded system is shown.
  • a torsion bar 401 In the centre of the joint it is placed a torsion bar 401.
  • This torsion bar 401 provides the spring action between the two plates 101, 102.
  • both ends 406, 501 the tension bar 404 is bent at an angle of about 90°.
  • the bent ends 406, 501 fits into a corresponding slot 405, 502 at each end that locks the torsion bar 401 in place.
  • This button 404 activates or deactivates the spring loaded system.
  • This button 404 is hollow and has a circular base. The base of the button 404 is attached to a disc 403 with at least one slot 405.
  • This disc 403 is spring loaded 402 pushing both the disc 403 and the button 404 outwards. Between the disc 403 and the button 404 there is a hollow space 407.
  • the button 404 is in its original position, the bent end 406 of the torsion bar 401 fits into one slot 405 in the disc 403.
  • the button 404 is pushed in, the bent end 406 of the torsion bar 401 fits into the hollow space 407 between the button 404 and the disc 403.
  • the spring loaded system is then deactivated.
  • the button 404 is pushed in, deactivating the spring loaded system, the two plates 101, 102 can be moved freely around the hinges joining the two plates 101, 102 together.
  • the disc 403 has either two or more slots 405 the bent end 406 of the torsion 401 fits into, or it can have one larger slot 405 where the bent end 406 of the torsion bar 401 fits into either end of the slot 405. This makes it possible to fix the two plates 101, 102 in certain angles to each other, preferably folded together for storage or activated for use.
  • Figure 6 is a detailed drawing of a preferred solution of the spring loaded system connecting the two plates 101, 102 together.
  • the spring function is given by a torsion bar 401.
  • Figure 7 and 8 are alternative solutions of how the two plates 101, 102 can be placed in relation to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

A fence for preventing unauthorised people from entering a vessel, wherein said fence is made up of one or more sections and said sections comprises at least two plates, and are further c h a r a c t e r i s e d b y that said plates are connected to each other at one end by at least one hinge, said at least one hinge has a spring function, and that said spring function can be activated or deactivated.

Description

SPRING LOADED ANTI PIRACY FENCE
Technical Field
The present invention regards a system and a method for preventing unauthorised access to a vessel and more particularly a guard rail for preventing e.g. pirates for accessing and entering a vessel.
Background of the invention
Piracy is an escalating problem for the shipping industry the world over. Estimates of the direct and indirect costs of piracy to global trade range as high as $16 billion annually. The preferred method for hijacking a vessel is to use small high speed boats that come up alongside the vessel. By attaching ropes or ladders to the railing of the vessels, they are able to force their way onto the ship. Once on-board they use guns to hijack the crew and the vessel.
They attach the ropes and ladders to the railings by either throwing grappling hooks over the railings or by attaching hooks to the railings by fastening them to long poles.
At the present moment there are few measurements a vessel can use to protect itself against attack. One solution is using non-lethal force against the attackers. Such solutions are e.g. water cannons, sound cannons, electrical fences or the like. Other solutions are patrolling the areas with high frequency of attacks from pirates by armed forces.
These solutions are either dangerous or costly. Dangerous because of the risk of armed confrontation between the two parties or costly because of the costs related to the need for armed forces patrolling the dangerous areas. A solution to the problem is to prevent pirates or the like from entering the vessel using a safe and relatively cheap method of protection.
As it is today, passive measurements for preventing capture and hijacking of vessels are few. From FR 2949430 it is known a fence for preventing pirates from entering the vessel. The fence comprises a plurality of sections that can be attached to the railing of a ship. Each section comprises two main parts in the form of, a first plate extending over the railing and down the outside of the vessel. A second plate attached to the top of the first plate with a hinged. This second plate extends upwards at an angle slanting inwards towards the ship. This is to make it hard or impossible for pirates to throw or attach hooks to the railings. The main point is that the top plate gives way when strain is put on the rope or ladder. A problem with this solution is that it is unnecessarily complex and takes up a lot of space when it is not in use. Another problem with this solution is that the construction makes it possible overcome the barrier by using two sets of hooks.
Summary of the invention
It is therefore an object of the present invention, as it is stated in the set of claims to overcome the problems mentioned above. This is done by creating a security fence made up of a plurality of separate sections. The sections are placed next to each other in a continuous fashion around the railing of the entire vessel. Each section comprises two plates.
The first plate is, at least at the top, attached to the railing of the vessel. The plate extends downwards along the outside of the railing. The second plate is attached to the top of the first plate with a hinge. The second plate is further slanting outwards form the ship creating an angle between the first and the second plate between 90° - 180°.
The two plates are hinged together and spring-loaded in such a fashion that if a hook is thrown over the top plate it will give way and the hook falls of. After the hook has fallen of, the top plate returns to its original position.
Further, the spring function can be deactivated by pushing in a button. The two plates than folds together and can easily stowed away when it is not in use.
Brief description of the drawings Figure 1 is a perspective view of a preferred embodiment of the present invention.
Figure 2 is a drawing of a preferred embodiment of the present invention mounted on a vessel.
Figure 3 is a drawing of how the present invention works.
Figure 4 and 5 is a detailed drawing of the spring loaded system according to an embodiment of the present invention. Figure 6 is a detailed drawing of a preferred solution of the spring loaded connecting the two plates together.
Figure 7 and 8 are alternative solutions for how the two plates are placed in relation to each other. Detailed description
Figure 1 is a perspective view of a preferred embodiment of the present invention. Here it can be seen a section of the fence. The section comprises two main parts. Each part is in the form of a square plate 101, 102. The two plates 101, 102 are hinged 104 together. The two plates 101, 102 have a spring function that can be activated or deactivated by the push of a button 404. The spring function acts in such a way that when activated, the two plates 101, 102 are kept at a certain angle to each other.
When the spring function is deactivated the two plates 101, 102 can be folded together. At the back of at least one of the two square plates 101, 102 it is placed at least one set of hooks 103.
In a preferred embodiment of the present invention both of the plates 101, 102 are similar. This means that they are of the same shape and size and both have at least one set of hooks 103. Alternative embodiments may have several sets of hooks 103 or they can have any other form of device for securing that section of the fence to the side of the vessel or any combination of devices for fastening that section of fence to the side of the boat.
The plates 101, 102 are preferably made of a stiff lightweight material, e.g. plastic, composite materials, lightweight metals e.g. aluminium, or Kevlar or carbon fibre materials.
Figure 2 is a drawing of a preferred embodiment of the present invention mounted on the side of a ship 201. Here it is shown how the set of hooks 103 on top of the first plate 101 grips around the top of the railing 202. Further the first plate 101 extends downwards on the outer side of the railing 202 and down the side of the vessel 201. The second plate 102 extends outwards from the vessel 201. The two plates 101, 102 create an angle to each other of between 90° and 180°.
Figure 3 is a drawing of the present invention showing how the invention works when an unauthorized person tries to attach a hook 301 to the side of the vessel. The hook 301 is attached to the top of the second plate 102. When tension is put on the hook 301 the second plate 102 is pulled down and the hook 301 slides of. When the hook 301 has fallen of, the second plate 102 swings back to its original position.
Figure 4 and 5 is a detailed cross section of the spring loaded system according to a preferred embodiment of the present invention. In figure 4 one side of the spring loaded system is shown. In the centre of the joint it is placed a torsion bar 401.
This torsion bar 401 provides the spring action between the two plates 101, 102.
When force is exercised on one of the plates 101, 102, the tension bar 401 twists around its axis. When force is no longer exercised on one of the plates 101, 102 the tension bar 401 goes back to its original position.
In both ends 406, 501 the tension bar 404 is bent at an angle of about 90°. The bent ends 406, 501 fits into a corresponding slot 405, 502 at each end that locks the torsion bar 401 in place.
At the end of the joint shown in figure 4 it is placed a button 404. This button 404 activates or deactivates the spring loaded system. This button 404 is hollow and has a circular base. The base of the button 404 is attached to a disc 403 with at least one slot 405. This disc 403 is spring loaded 402 pushing both the disc 403 and the button 404 outwards. Between the disc 403 and the button 404 there is a hollow space 407. When the button 404 is in its original position, the bent end 406 of the torsion bar 401 fits into one slot 405 in the disc 403. When the button 404 is pushed in, the bent end 406 of the torsion bar 401 fits into the hollow space 407 between the button 404 and the disc 403. The spring loaded system is then deactivated. When the button 404 is pushed in, deactivating the spring loaded system, the two plates 101, 102 can be moved freely around the hinges joining the two plates 101, 102 together.
The disc 403 has either two or more slots 405 the bent end 406 of the torsion 401 fits into, or it can have one larger slot 405 where the bent end 406 of the torsion bar 401 fits into either end of the slot 405. This makes it possible to fix the two plates 101, 102 in certain angles to each other, preferably folded together for storage or activated for use.
Figure 6 is a detailed drawing of a preferred solution of the spring loaded system connecting the two plates 101, 102 together. Here the spring function is given by a torsion bar 401.
There are other ways to facilitate the spring loaded system . These can be, using a coil spring, a compression spring, intelligent material or a hydraulic spring .
Figure 7 and 8 are alternative solutions of how the two plates 101, 102 can be placed in relation to each other.

Claims

A fence for preventing unauthorised people from entering a vessel (201), wherein said fence is made up of one or more sections and said sections comprises at least two plates (101, 102), and are further
c h a r a c t e r i s e d b y that said plates (101, 102) are connected to each other at one end by at least one hinge (104), said at least one hinge (104) has a spring function, and that said spring function can be activated or deactivated.
A fence according to claim 1 wherein said plates (101, 102) have means for being connected to the side of said vessel (201).
A fence according to claim 1, wherein said plates (101, 102) in said sections are made of a stiff lightweight material.
A fence according to claim 3 wherein said stiff lightweight material can be plastic, composite materials, lightweight metals, Kevlar or carbon fibre materials.
A fence according to claim 1, wherein said spring function can be facilitated by either a torsion bar (401), a coil spring, a compression spring, intelligent material or a hydraulic spring.
A fence according to claim 5, wherein said spring function can be activated or deactivated by a button (404).
Method for preventing unauthorised people from entering a vessel (201) comprising a fence made up of several sections placed next to each other around the sides of said vessel (201), said sections comprises at least two plates (101, 102) connected to each other at one end by at least one spring loaded hinge (104) further c h a r a c t e r i s e d b y that said sections can be mounted and demounted when needed.
Method according to claim 7, wherein a first plate (101) of a section of said fence is attached to the outside of the railing (202) of a vessel (201) extending downwards.
Method according to claim 7, wherein a second plate (102) extends outwards from said vessel (201) creating an angle between said first (101) and second (102) plate of 90° to 180 °.
10. Method according to claim 7 wherein said second plate (102) gives way when force is exercised upon it.
PCT/NO2012/050194 2011-10-04 2012-10-04 Spring loaded anti piracy fence Ceased WO2013051946A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20111349 2011-10-04
NO20111349 2011-10-04

Publications (1)

Publication Number Publication Date
WO2013051946A1 true WO2013051946A1 (en) 2013-04-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016156823A1 (en) * 2015-03-29 2016-10-06 Arx Defence Limited Improved device for a vessel
KR20180055315A (en) * 2016-11-17 2018-05-25 진양어망주식회사 Torpedo strike protection device used to warship
EP3116776B1 (en) 2014-03-10 2018-09-26 McGarian, Bruce A security device
EP3656654A1 (en) * 2018-11-26 2020-05-27 Phenox Business Support AB Security arrangement
WO2023135064A1 (en) 2022-01-12 2023-07-20 Palaemon Maritime Limited Barrier device for ships

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978551A (en) * 1974-11-14 1976-09-07 Mitsuo Mochizuki Door closer hinge
JP2001191983A (en) * 2000-01-11 2001-07-17 Sumitomo Heavy Ind Ltd Preventing device of illegal boarding to ship
AT507881A1 (en) * 2009-02-25 2010-08-15 Steininger Erich DEVICE FOR SAFEGUARDING PIRATES
FR2949430A1 (en) 2009-09-02 2011-03-04 Navy V Protection device for protecting merchant ship against collision, has movable flap passing to reference position under traction effort of grapnel fastened to flap, where position is high such that grapnel is unfastened from flap

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978551A (en) * 1974-11-14 1976-09-07 Mitsuo Mochizuki Door closer hinge
JP2001191983A (en) * 2000-01-11 2001-07-17 Sumitomo Heavy Ind Ltd Preventing device of illegal boarding to ship
AT507881A1 (en) * 2009-02-25 2010-08-15 Steininger Erich DEVICE FOR SAFEGUARDING PIRATES
FR2949430A1 (en) 2009-09-02 2011-03-04 Navy V Protection device for protecting merchant ship against collision, has movable flap passing to reference position under traction effort of grapnel fastened to flap, where position is high such that grapnel is unfastened from flap

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3116776B1 (en) 2014-03-10 2018-09-26 McGarian, Bruce A security device
WO2016156823A1 (en) * 2015-03-29 2016-10-06 Arx Defence Limited Improved device for a vessel
KR20180055315A (en) * 2016-11-17 2018-05-25 진양어망주식회사 Torpedo strike protection device used to warship
EP3656654A1 (en) * 2018-11-26 2020-05-27 Phenox Business Support AB Security arrangement
WO2020109239A1 (en) * 2018-11-26 2020-06-04 Phenox Business Support Ab Security arrangement
WO2023135064A1 (en) 2022-01-12 2023-07-20 Palaemon Maritime Limited Barrier device for ships

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