EP2758742A1 - Blindage de véhicule et de structure avec un cadre à câble - Google Patents

Blindage de véhicule et de structure avec un cadre à câble

Info

Publication number
EP2758742A1
EP2758742A1 EP12833216.0A EP12833216A EP2758742A1 EP 2758742 A1 EP2758742 A1 EP 2758742A1 EP 12833216 A EP12833216 A EP 12833216A EP 2758742 A1 EP2758742 A1 EP 2758742A1
Authority
EP
European Patent Office
Prior art keywords
net
shield
vehicle
cable
further including
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.)
Withdrawn
Application number
EP12833216.0A
Other languages
German (de)
English (en)
Other versions
EP2758742A4 (fr
Inventor
Joseph Vincent MALONE
Nicole Jean BAIRD
Scott Robert ALBIN
Robert G. HOLMES
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.)
Vencore Services and Solutions Inc
Original Assignee
Qinetiq North America Inc
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
Priority claimed from US13/200,296 external-priority patent/US8468927B2/en
Application filed by Qinetiq North America Inc filed Critical Qinetiq North America Inc
Publication of EP2758742A1 publication Critical patent/EP2758742A1/fr
Publication of EP2758742A4 publication Critical patent/EP2758742A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/023—Armour plate, or auxiliary armour plate mounted at a distance of the main armour plate, having cavities at its outer impact surface, or holes, for deflecting the projectile
    • F41H5/026—Slat armour; Nets
    • 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
    • F41H5/00—Armour; Armour plates
    • F41H5/013—Mounting or securing armour plates

Definitions

  • the subject invention relates to ordnance shielding.
  • Rocket propelled grenades and other ordnance are used by terrorist groups to target military vehicles and structures. See WO 2006/134407 incorporated herein by this reference.
  • Others skilled in the art have designed intercept vehicles which deploy a net or a structure in the path of an RPG in an attempt to change its trajectory. See U.S. Patent Nos. 7,190,304; 6,957,602; 5,578,784; and 7,328,644 all incorporated herein by this reference.
  • Related prior art discloses the idea of deploying an airbag (U.S. Patent No. 6,029,558) or a barrier (U.S. Patent No. 6,279,499) in the trajectory path of a munition to deflect it. These references are also included herein by this reference.
  • Static armor such as shown in U.S. Patent Nos. 5,170,690; 5,191 ,166; 5,333,532; 4,928,575; and WO 2006/134,407 is often heavy and time consuming to install. When a significant amount of weight is added to a HMMWV, for example, it can become difficult to maneuver and top heavy. Such an armor equipped vehicle also burns an excessive amount of fuel.
  • Chain link fence type shields have also been added to vehicles.
  • the chain link fencing is not sufficiently compliant to prevent detonation of an RPG if it strikes the fencing material.
  • Chain like fencing although lighter than bar/slat armor, is still fairly heavy. Neither bar/slat armor nor the chain link fence type shield is easy to install and remove.
  • RPGs Grenades
  • Other threats used by enemy forces and insurgents remain a serious threat to troops on the battlefield, on city streets, and on country roads.
  • RPG weapons are relatively inexpensive and widely available throughout the world.
  • a perfect hit with a shaped charge can penetrate a 12 inch thick steel plate.
  • RPGs pose a persistent deadly threat to moving ground vehicles and stationary structures such as security check points.
  • the RPG-7 is in general use in Africa, Asia, and the Middle East and weapon caches are found in random locations making them available to the inexperienced insurgent.
  • Armor plating on a vehicle does not always protect the occupants in the case of an RPG impact and no known countermeasure has proven effective.
  • Systems designed to intercept and destroy an incoming threat are ineffective and/or expensive, complex, and unreliable.
  • Patent No. 6,31 1 ,605 discloses disruptive bodies secured to armor. The disruptive bodies are designed to penetrate into an interior region of a shaped charge to disrupt the formation of the jet.
  • the shaped charge disclosed has a
  • a hard point net In the field, if a hard point net is placed over a door, window, or other means of ingress or egress, it can be a slow process to remove the net from the frame and open the door or window in order to enter or exit the vehicle or structure. The same is true if it is desireable to remove one or more hard point nets and their frames for maneuvers, staging operations, transportation of a vehicle, or the like.
  • the tubular frame members also add some weight to the vehicle or structure. Also, the frame members, if struck by an RPG, may cause detonation of the RPG.
  • ingress and egress are made easier and a lighter weight system is provided.
  • the subject invention results from the at least partial realization that, in one preferred embodiment, hard point nets with one or more cables serving as the frame components allow easier ingress, egress, provide improved coverage, and results in a lighter weight system. When two adjacent nets share the same cable, hard point coverage is even further improved.
  • the invention in one example, includes a shield comprising a net including hard points at select nodes of the net.
  • One or more sides of the net include a plurality of cable guides such as eyelets and at least one cable under tension extends through the cable guides supporting the net.
  • the eyelets include a peripheral groove for receiving a net chord therein
  • the hard points include a body portion with a cavity and a plug received in the cavity, and a net chord extends between the plug and the body portion, around the eyelet groove, and back between the plug and the body portion.
  • the hard points include slots in the body portion for the net chords.
  • the framis for the net may include a top cross bar for supporting the net.
  • spaced top struts interconnect the top cross bar with the vehicle or structure.
  • the top cross bar includes a tensioning mechanism for the cable.
  • both top struts can be connected to the door or, alternatively, one top strut can be connected to the door and one top strut can be connected to the vehicle or structure.
  • the top struts are preferably pivotable with respect to the top cross bar and with respect to the door or vehicle structure.
  • the framis for the net includes spaced bottom struts for opposing sides of the net.
  • the bottom struts are foldable with respect to the vehicle or structure and/or include a shock absorbing device.
  • each bottom strut is connected to a net cable but the net cable is removable from its associated bottom strut.
  • a pin is removably received in a bottom strut and connected to the net.
  • a cable extends through cable guides at the top and bottom of a first side of the net, over to a second side of the net and through cable guides at the bottom and top of the second side, to the top of the net, then through cable guides at the middle on the second side, then to the bottom of the net, over to the first side of the net, through cable guides of at the middle of the first side of the net, and then to the top of the net.
  • a member is provided for tensioning sides of the net and typically resides between the net and the vehicle or structure.
  • a tray on the vehicle or structure is provided for storing the net.
  • An adjacent net can be provided with cable guides and a cable then extends through the cable guides of both nets.
  • the invention also features a shield comprising a net with opposing sides of the net including a plurality of cable guides for supporting the net when a cable is provided under tension through the cable guides on each side of the net.
  • a method of manufacturing a shield includes running chords of a net through a body portion of a hard point, direction the chord to a cable guide, redirecting the chord back between through the body portion of the hard point; and forcing a plus into the body portion of the hard point locking the chord therein.
  • the net chord is directed about the cable guide.
  • the invention also features a method of manufacturing a shield comprising securing hard points at select nodes of a net, adding cable guides to one or more sides of the net, and providing at least one cable under tension through the cable guides to support the net in a spaced relation with respect to a vehicle or structure.
  • One method includes supporting the net by a top cross bar and interconnecting the top cross bar with the vehicle or structure using spaced top struts.
  • the method may further comprise making the top struts foldable with respect to the vehicle or structure.
  • the method typically includes tensioning at least one cable.
  • a method may include supporting the net via spaced bottom struts, making the bottom struts foldable with respect to the vehicle or structure, and/or equipping each bottom strut with a shock absorbing device.
  • a bottom fabric portion may be provided for the net.
  • a member is provided for tensioning sides of the net and typically the member is placed between the net and the vehicle or structure.
  • Fig. 1 is a schematic three-dimensional exploded view showing an example of a hard point net and a frame for the hard point net;
  • Fig. 2 is a schematic front view showing another frame structure for a hard point net attached at the front of a vehicle;
  • Fig. 3 is a schematic three-dimensional front view showing an example of two nets sharing the same cable wherein each net is attached to the cable via cable guides in accordance with an embodiment of the subject invention
  • Fig. 4 is a schematic view showing a portion of one side (the top, bottom, or left or right hand side) of a hard point net in accordance with an example of the subject invention
  • Fig. 5A is a schematic rearview showing a portion of a hard point in accordance with one preferred embodiment of the subject invention.
  • Fig. 5B is a schematic front view of the hard point portion shown in Fig. 5A;
  • Fig. 6 is a schematic three-dimensional front view showing additional structure associated with the two nets shown in Fig. 3;
  • Fig. 7 is a schematic three-dimensional front view showing an example of a hinged and pivotable frame structure and a net folded up in a tray in accordance with an example of the subject invention
  • Fig. 8 is a schematic depiction showing an example of a hard point net over a door of a military vehicle in accordance with another example of the invention.
  • Fig. 9 is a highly schematic view showing how the cabling of the hard point net shown in Fig. 8 is routed through the eyelets of the net in order to prevent hour glassing of the hard point net;
  • Fig. 10 is a schematic enlarged depiction showing a portion of the top of the hard point net shown in Fig. 8;
  • Fig. 1 1 is a schematic close-up depiction of a portion of the bottom of the hard point net shown in Fig. 8;
  • Fig. 12 is a schematic cross-sectional view showing several of the primary components associated with the tensioning subassembly for the net shown in Fig. 8;
  • Fig. 13 is a schematic cross sectional depiction of the left hand side of the top cross bar assembly shown in Fig. 12;
  • Fig. 14 is a schematic three dimensional view of the cable redirecting structure shown in Fig. 13;
  • Fig. 16 is a schematic three dimensional side view of a cable retaining pin as shown in Fig. 8;
  • Fig. 17 is a schematic side view of the cable retaining pin shown in Fig. 16 extending through a cable retainer as shown in Fig. 1 1 ;
  • Fig. 18 is a schematic three dimensional view showing another example of a framis for a net shield in accordance with the invention.
  • Fig. 19 is a schematic depiction showing a portion of the bottom of a net shield in accordance with another example of the invention.
  • Fig. 20 is a schematic depiction showing one side of still another framis structure for the net shield shown in Fig. 19;
  • Fig. 21 is a schematic top view showing an example of net shield systems attachable to adjacent doors of a military vehicle in accordance with the invention.
  • Fig. 22 is a schematic depiction showing a unique method of attaching a top cross member net shield supporting structure to the door of a vehicle and the vehicle itself;
  • Fig. 23 is a schematic depiction showing a supplemental pulley for tensioning one or more cables supporting a net shield in accordance with still another example of the invention.
  • Fig. 1 shows an example net subsystem 10 and including an array of hard points 12 configured to impact a projectile (e.g., the nose cone of an RPG) striking net 14.
  • a projectile e.g., the nose cone of an RPG
  • Frame 16 includes mounting brackets 18a-18d attached to rearwardly extending members 19a and 19b. The function of frame 16 and net 14 is to position hard points 12 in a spaced relationship with respect to a vehicle or structure and to space the hard points 12 apart from each other in an array.
  • hard points 12 may angle inwardly towards the nose of the RPG tearing into it and duding the electronics and/ or electrical or electronic signals associated with the arming or detonation mechanisms of the RPG.
  • By flexible we generally mean a net which does not retain its shape unless supported in some fashion. When not attached to frame 16, net 14 can be rolled and then folded and/or net 14 can be bunched up.
  • net subsystem 10 is removeably secured to frame 16 and frame 16 is removeably secured to a vehicle (e.g., a HMMWV vehicle).
  • tubular frame members 22a-22d include hook type fasteners secured to the outside thereof and the fabric net periphery 24, Fig. 1 includes loop type fasteners on the inside thereof. Loop type fasteners are also secured to the rear of frame 16 mounting brackets 18a-18d and corresponding pads or patches 28a-28d, Fig. 2, adhered to vehicle 20, include outer faces with hook type fasteners.
  • the hook and loop fastening mechanisms maybe reversed and other flexible fastener subsystems may also be used.
  • the hook and loop fastening subsystems of U.S. Patent Nos. 4,928,575; 5,170,690; 5,191,166; and 5,333,532 are preferred.
  • Fig. 2 shows another type of frame structure 16' attached to the front of vehicle
  • the frame structure of Fig. 1 or 2 is placed over a door, window, portal, or other means of ingress or egress, however, it can make ingress to and egress from the vehicle or structure more complicated and/or slower and it can add time to conducting certain maneuvers, staging operations, transportation, or the like if the net and/or frame members need to be disassembled from the vehicle.
  • the frame members shown in Figs. 1 and 2 can also add weight to the vehicle and can cause detonation of an RPG or other ordinance.
  • new net 10a with hard points 12 at the nodes of the net also includes cable guides such as eyelets or grommets 40a, in this particular example, on one side of the net and eyelets 40b on the opposite side of the net.
  • Cable 42a under tension extends through eyelets 40a and cable 42b under tension extends through eyelets 40b.
  • the cables 42a and_42b_ may bejmadejof metal, fabric, rope material, or the like.
  • Bottom strut members 46a and 46b provide tension to cables 40a and 40b.
  • Quick release pin 50b for example, releasably couples cable 42b to strut member 46b and pin 50b can be pulled along with quick release pin 50a (which couples cable 42a to member 46a) and net 10 can then be rolled upwards providing for fairly quick and easy ingress to and egress from vehicle portal 60. Deploying the shield is also a fairly quick procedure. Struts 46a and 46b are typically secured to a vehicle below windows or portals 60 and are foldable with respect to the vehicle body.
  • Strut members 46a and 46b may also be designed to be easily removed from the vehicle structure via quick release pins and/or the like. Members 46 could also be pivotably attached to the vehicle or structure. Other means for securing the net to the one or more cables can also be used and there are other ways possible for tensioning the cables.
  • hard points 12 preferably include a body portion 72 defining a cavity receiving plug 68 therein.
  • Each eyelet 40 includes a peripheral groove as shown at 76 for receiving a net chord 14 therein.
  • net chord 14 passes through slots 73a and 73c of body portion 72 of the hard point, around eyelet 40 and in its groove, and back through slot 73c and 73a of hard point body portion 72.
  • Plug 68 is then press fit into the body portion. Note how closely the hard point is to eyelet 40. The coverage of the hard points is thus improved which results in increased protection especially when two nets 10a and 10b are placed adjacent each other as shown in Fig. 3.
  • Cable 42b extends through the eyelets on the right hand side of net 10a and through the eyelets on the left hand side of net 10b.
  • Other cable guide means are possible. There are other ways to secure the cable guides to the net.
  • FIGs. 5 A and 5B more clearly show hard point 12.
  • Forward facing base portion 72 has cavity 70 receiving post or plug 68, Fig. 4 therein in a friction fit manner.
  • This hard point is designed for nets including horizontal chords intersecting vertical chords. See Figs. 1, 3 and 4.
  • the net chords are received through slots 73a-d in wall 74 of hard point 72.
  • the slots, as shown for slot 73a, terminate in rounded portion 77 preventing wear of the net chords.
  • Wall 74 in this embodiment defines a six-sided structure with six sharp corners 75a-75f which dig into the skin of an RPG ogive.
  • Top surface 76 may be flat as shown or concave.
  • slots 73a and 73c receive a vertically extending chord while slots 73d and 73b receive a horizontally extending chord.
  • the hard point and the plug were made of steel, hard point 72 was 0.625 inches from one edge to an opposite edge, and 0.72 inches tall. Cavity 70 was 0.499 inches in diameter and 0.34 inches deep. Five gram cylindrical plug 68, Fig. 4 was 0.35 inches tall, 0.500 inches in diameter and may include knurling on the outer wall surface thereof.
  • Side walls 74a-74f extend rearward from front face 76 defining cavity 70 surrounded by the side walls.
  • Opposing sidewalls 74a and 74d have slots (73a, 73c) in the middle of each side wall. Slots 73d, and 73b, in turn, are between adjacent sidewalls 74b and 74c and 74f and 74e, respectively.
  • Sidewall 74b and 74c are between opposing sidewalls 74a and 74b on one side of member 72 while sidewall 74f and 74e are between opposing sidewalls 74a and 74d on the opposite side of member 72'.
  • the base portion 72 and plug were made of hardened steel (e.g., ASTM A108 alloy 12L14) and combined weighed between 10 and 80 grams.
  • a base portion with more or less sides is also possible.
  • face 76 is typically about .5 in. , e.g. between .1 and .8 in. .
  • Sidewalls 74a-f are typically about .5 in. , e.g. between .1 and .8 in. .
  • Slots 73a - d may be .05- .15 inches wide and between .2 and .8 inches long.
  • a net node is placed in cavity 70, Fig. 5A with the net chords exciting through slots 73a-73d and a plug is then driven in to cavity 70 to lock the node of the net in the hard point.
  • the hard points are typically made of conductive material and may include a protective rust resistant non-reflective, conductive coating (zinc plating, flat olive in color).
  • base portion 72 weighed 30 grams and was machined from .625 hex bar stock. Walls 74a-74f were .72" tall. Slots 73a-73d were .080 inches across and .350" in length. These dimensions will vary, however, depending on the design of the net.
  • the aspect ratio of the hard points all play an important role. Hard points which are too large, for example, and a net mesh size which is too small, results in too much surface area to be stricken by an RPG, possibly detonating the RPG. Hard points which are too small may not sufficiently damage the RPG ogive and dud the RPG. Steel is a good material choice for the hard points because steel is less expensive. Tungsten, on the other hand, may be used because it is heavier and denser, but tungsten is more expensive. Other materials are possible. The hard points may be .5 inch to .75 inches across and between 0.5 inches and 1 inch tall.
  • the net node is placed at the center of gravity at the hard point.
  • the length of the hard point is preferably chosen so that when an RPG strikes the net, the hard point tumbles 90 degrees and digs into the RPG ogive.
  • the moment of inertia of the hard point is designed accordingly.
  • the hard point may have more or less than six sides.
  • the hard points may weigh between 10 to 80 grams although in testing 60 grams was found to be optimal, e.g., a 30 gram base portion and a 30 gram plug. Hard points between 10 and 40 grams are typical.
  • the net material may be polyester which provides resistance to stretching, ultraviolet radiation resistance, and durability in the field. Kevlar or other engineered materials can be used. A knotted, knotless, braided, or ultracross net may be used.
  • the chord diameter may be 1.7 to 1.9 mm. Larger net chords or multiple chords are possible; however, the chord(s) design should be constrained to beneath threshold force to dynamic break loads typical of RPG impact and engagements.
  • the typical net mesh size may be 176 mm (e.g., a square opening 88 mm by 88 mm) for a PG-7V RPG and 122 mm for a
  • the net mesh size may range from between 1 10 and 190 mm.
  • the preferred spacing or standoff from the net to the vehicle is between 4 and 24 inches, (e.g., 6-12 inches) but may be between 4 and 60 centimeters. Larger standoffs may extend the footprint of the vehicle and thus be undesirable. Too close a spacing may not insure closing of the electrical circuitry of the RPG ogive by the hard points.
  • the struts and the like are designed to result in the desired spacing. It is desirable that the net material and mesh size be chosen and the net designed such that an RPG ogive, upon striking a net chord, does not detonate. RPGs are designed to detonate at a certain impact force.
  • the breaking strength of the net chord material is around 240 lbs so that an RPG, upon striking a net chord or chords, does not detonate.
  • the net is thus designed to be compliant enough so that it does not cause detonation of the RPG. Instead, the hard points dig into the RPG ogive and dud the RPG before it strikes the vehicle or structure.
  • This design is in sharp contrast to a much more rigid chain link fence style shield which causes detonation of the RPG if the RPG strikes a wire of the fence.
  • the overall result of the subject invention is a design with more available surface area where duding occurs as opposed to detonation.
  • Fig. 6 shows another design with top cross member 100 attached to vehicle 102 over portals 60a and 60b via rearwardly extending top struts such as struts 104a and 104b.
  • Cross member 100 supports the top of both nets 10a and 10b (with or without a fabric border) and also the top of cable 42b, cable 42c, and the like. Velcro and the like can be used to secure the top of the nets 10a and 10b to cross member 100.
  • Fig. 7 shows door 1 10 of the vehicle and top cross member 100' supported over door 110 attached to the vehicle by pivoting top struts 1 12a and 1 12b which can be quickly locked in place and then released.
  • Hard point net 10 can thus be stored in tray 1 14 which is positioned over door 1 10; Cables 42 are supported by top frame member
  • a hard point net or other flexible shield can be deployed and also quickly stowed for ingress and egress through door 1 10, Fig. 7, for various maneuvers, staging operations, and the like.
  • Velcro wraps 120a, 120b, and 120c are also shown in Fig. 7 for securing net fabric periphery 122 about folding top cross member 100'.
  • the result in various embodiments, is a lighter weight system which is easy to deploy and then deactivate and stow. In some embodiments, coverage of the hard points is also improved.
  • Fig. 8 shows an example for a vehicle door net shield including top cross bar 100" pivotably secured over the door via spaced top struts foldably connected to the vehicle body or roof and extending rearwardly of top cross bar 100 as shown, for example, for top strut 1 12b.
  • the bottom struts such as strut 46b' are foldable and may include shock absorbing portion 200.
  • the net 10' includes fabric bottom 202.
  • Top cross bar 100" includes therein spring loaded tensioning member 206, Fig. 9 and cable redirecting structure 207.
  • Cable 208 is secured to tensioner 206, extends out of top cross bar 100" as shown at 210 and extends through the top third or so of the eyelets as shown at 212 skipping the middle third eyelets as shown at 214 and then again extends through the bottom third or so of the eyelets as shown at 216 on the right hand side of net shield 10. The cable then extends through a cable retainer discussed below with reference to Fig.
  • the cable then extends back through the cable retainer at the bottom left hand side of the net, through fabric portion 202, through the cable retainer on the right hand side of the bottom of the net, and then skips the bottom third eyelets or so as shown at 216, extends through the middle third group of eyelets as shown at 214, skips the top third group of eyelets or so as shown at 212, and, as shown at 226, the cable enters the right hand side of top cross bar member 100" and is secured to tensioning member 206.
  • Fig. 10 more clearly depicts the cable portion 210 which extends through the top third group of eyelets and cable portion 226 which skips the top third group of eyelets.
  • Fig. 1 1 depicts pin 230a extending through grommet 232a, through cable retainer 236a, and into bottom strut 46b' and secured therein via quick release pin 234a extending through hole 238a, Fig. 16 - 17, in pin shaft 230a.
  • Fig. 12 shows top cross bar member 100, tensioning mechanism 206 with spring(s) 225 and Fig. 13 more clearly shows cable redirecting member 207 (typically in the form of a pin secured within top cross bar member 100").
  • Fig. 14 also shows tensioning mechanism 206, spring(s) 225 and slider 226.
  • the cable as shown at Fig. 9 is secured to slider 206 as shown in Fig. 12.
  • Fig. 15 more clearly shows cable redirecting pin 207.
  • Fig. 18 depicts an example with simpler top cross bar 300, folding spaced top struts 302a and 302b interconnecting top cross bar 300 with tray structure 308 itself securable to a vehicle or structure.
  • Fabric bottom 303 is also shown as are folding bottom struts 304a and 304b.
  • Member 310 in this example, between the vehicle or structure and the net, is configured to tension cable sides 312a and 312b apart to prevent hour glassing.
  • Member 310 may be a slat or bar type structure which rests against the vehicle or structure.
  • net 320 includes bottom fabric portion 321 with spaced buckles such as buckle 320a attached thereto.
  • the sides of the net again include a cable as shown for cable 330.
  • the framis for this version includes spaced, typically foldable bottom struts as shown for strut 322a with hook portion 334a releasably receiving buckle 322 therein.
  • Each side cable then extends to top cross member 340 which is configured to tension the side cables.
  • top cross bar member 340 may be configured to roll with respect to frame portion 342 via handle 344 in order to tension cable 330 by winding it about the top cross bar member after which handle 334 could be locked with respect to structure 332 which, as discussed above, typically includes net storage tray 344.
  • the net shield is extended and retracted in a manner which is similar to awnings on trailers. See U.S. Patent Nos. 6,494,246 and 5,192,1 1 1 incorporated herein by this reference.
  • handle 344 is released, the side cables such as cable 330 is released from being in a state of tension, and buckle 322a is easily removed from bottom strut 322a in order to fold net shield 320, Fig. 19 up into tray 344.
  • Fig. 21 shows an example where spaced top struts 350a and 350b attached to door 352 to secure cross member 354 thereto may interfere with door 356 when both doors are open.
  • door 356 typically also includes spaced top struts 358a and 358b supporting top cross bar 360.
  • Fig. 22 shows a design for door 370 of a vehicle or structure hinged thereto via hinges 372a, 372b, and 372c and opened in the direction shown by arrow 374.
  • top strut 376a is pivotable with respect to vehicle body, roof, or structure 380 and pivotable with respect to top cross bar member 382.
  • Strut member 376a may also be foldable upwards with respect to structure 380 and/ or releasable from cross bar member 382.
  • Top strut member 376b in contrast, is secured to and pivotable with respect to the top of door 370 and also pivotable with respect to cross bar member 382.
  • cross bar member 382 supports the top of a net shield. The bottom of the net can be supported by struts as shown, for example, with respect to Fig. 8 attached to the bottom of door 370. In this way, if there are adjacent doors in the vehicle, then the net shield frame for one door will not interfere with the net shield frame of the adjacent door when one or both of the doors are open.
  • Fig. 23 shows an example where an extra cabled pulley 390 is provided attached to a portion of the vehicle in order to tension a side cable or cables as shown at 392.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Un blindage règlementaire, par exemple contre une grenade propulsée par une fusée, comprend un filet muni de points durs à des nœuds choisis du filet et des guide-câbles sur le côté du filet. Des câbles sous tension s'étendent à travers les guide-câbles supportant le filet généralement conjointement avec une barre transversale supérieure, des entretoises supérieures espacées et des entretoises inférieures espacées. Cette conception en treillis facilite l'entrée et la sortie du véhicule ou de la structure.
EP12833216.0A 2011-09-22 2012-04-30 Blindage de véhicule et de structure avec un cadre à câble Withdrawn EP2758742A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/200,296 US8468927B2 (en) 2008-04-16 2011-09-22 Vehicle and structure shield with a cable frame
PCT/US2012/000227 WO2013043216A1 (fr) 2011-09-22 2012-04-30 Blindage de véhicule et de structure avec un cadre à câble

Publications (2)

Publication Number Publication Date
EP2758742A1 true EP2758742A1 (fr) 2014-07-30
EP2758742A4 EP2758742A4 (fr) 2015-02-11

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EP12833216.0A Withdrawn EP2758742A4 (fr) 2011-09-22 2012-04-30 Blindage de véhicule et de structure avec un cadre à câble

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WO (1) WO2013043216A1 (fr)

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