US20140373423A1 - Helmet mounting systems - Google Patents
Helmet mounting systems Download PDFInfo
- Publication number
- US20140373423A1 US20140373423A1 US14/481,298 US201414481298A US2014373423A1 US 20140373423 A1 US20140373423 A1 US 20140373423A1 US 201414481298 A US201414481298 A US 201414481298A US 2014373423 A1 US2014373423 A1 US 2014373423A1
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- US
- United States
- Prior art keywords
- helmet
- weapon
- rail
- mounting bracket
- night vision
- 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.)
- Abandoned
Links
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- 230000004297 night vision Effects 0.000 claims abstract description 23
- 230000011514 reflex Effects 0.000 claims abstract description 8
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/32—Night sights, e.g. luminescent
- F41G1/34—Night sights, e.g. luminescent combined with light source, e.g. spot light
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/042—Optical devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C27/00—Accessories; Details or attachments not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/30—Reflecting-sights specially adapted for smallarms or ordnance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G11/00—Details of sighting or aiming apparatus; Accessories
- F41G11/001—Means for mounting tubular or beam shaped sighting or aiming devices on firearms
- F41G11/003—Mountings with a dove tail element, e.g. "Picatinny rail systems"
-
- 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
- F41H1/00—Personal protection gear
- F41H1/04—Protection helmets
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
- G02B23/125—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification head-mounted
Definitions
- the present invention relates to helmet mounting systems and methods that integrate an optical vision device with a field helmet for alternately supporting the optical device in an operational position in front of the user's eyes and a stowed position out of the user's line of vision.
- the invention may take form in various components and arrangements of components, and in various steps and arrangements of steps.
- the drawings are only for purposes of illustrating preferred embodiments and are not to be construed as limiting the invention.
- FIG. 1 is a front perspective view of a helmet carrying a helmet mount according to one embodiment of the present invention, wherein the helmet mount supports viewing optics in an operational or viewing position.
- FIG. 2 is a front perspective view of the embodiment shown in FIG. 1 , wherein the viewing optics are rotated to the stowed position.
- FIG. 3 is a front perspective view of the helmet shown in FIGS. 1 and 2 having a helmet mount base plate fastened thereto, wherein the optical device and the remainder of the mounting assembly has been selectively removed therefrom.
- FIG. 4 is a front perspective view of the mounting assembly shown in FIG. 1 .
- FIG. 5 is a rear perspective view of the mounting assembly shown in FIG. 4 .
- FIGS. 6A and 6B are front and exploded side views, respectively, of a vertical adjustment mechanism according to an embodiment of the present invention.
- FIG. 6C is an enlarged view of the vertical adjustment mechanism shown in FIGS. 6A and 6B .
- FIGS. 6D and 6E are enlarged views of the vertical adjustment mechanism shown in FIGS. 6A-6C in the respective locked and unlocked positions.
- FIGS. 7A and 7B are exploded views illustrating a breakaway mechanism according to a preferred embodiment of the present invention.
- FIGS. 8A and 8B illustrate an alternative horizontal adjustment mechanism according to the present invention.
- FIG. 9 is a top perspective view of a mounting system according to a further embodiment of the invention and which illustrates the manner of connecting the optical device to the mounting assembly.
- FIG. 10 is a bottom view of the vertical adjustment and breakaway assemblies.
- FIG. 11 is a cross-sectional view of the breakaway assembly taken along the lines 11 -- 11 in FIG. 10 , depicted in the locked or non-breakaway configuration.
- FIG. 12 is a cross-sectional view of the breakaway assembly as shown in FIG. 11 , but illustrating the unlocked or breakaway configuration.
- FIG. 13 is a front perspective view of a helmet carrying a helmet mount according to another embodiment of the present invention.
- FIG. 14 is a front perspective view of the helmet shown in FIG. 13 , wherein the optical device and the flip-up mounting assembly has been selectively removed therefrom.
- FIG. 15 is a front perspective view of a helmet mounting system according to a further embodiment of the present invention.
- FIG. 16 is a front perspective view of the helmet mounting system shown in FIG. 15 , wherein the optical device and the pivoting mounting assembly has been selectively removed therefrom.
- FIGS. 17 and 18 are front and rear perspective views, respectively, of a helmet mounting system according to yet another embodiment of the present invention.
- FIG. 19 is an exploded side view and FIG. 20 is a rear view of the helmet strap ratchet system of the present invention.
- FIGS. 21 and 22 are exploded side and exploded rear views, respectively, of the cover plate assembly portion of a helmet strap ratchet assembly of the present invention.
- FIG. 23 is an exploded side view and FIG. 24 is a rear view of the base assembly portion of the helmet strap ratchet assembly of the present invention.
- FIG. 25 is a front view of a gear rack assembly for helmet strap ratchet system, which is integral with a bracket for engaging a rear brim portion of a helmet.
- FIG. 26 is an exploded side view of the integrated gear rack shown in FIG. 25 and the ratchet system cover plate assembly.
- FIG. 27 is a rear perspective view of a helmet carrying a track mount system according to still another embodiment of the present invention, which may be adapted for carrying electrical components.
- FIG. 28 is a rear perspective view of the helmet and track mount system shown in FIG. 27 , wherein the electrical components are removed.
- FIG. 29 is a top view of the helmet and track system shown in FIG. 27 .
- FIG. 30 is a front perspective view of the helmet and track system shown in FIG. 28 , wherein the optical device is in the operational position.
- FIGS. 31 and 32 are a front and top perspective views, respectively, of the helmet and track system shown in FIG. 30 , wherein the optical device is shown in the raised or flipped-up position.
- FIG. 33 is a top perspective view of an optic mount adapter for attaching a helmet mounted optical device to a weapon mount system.
- FIG. 34 is a bottom perspective view of the adapter shown in FIG. 33 .
- FIG. 35 is a fragmentary view of a weapon system employing the adapter shown in FIG. 33 wherein a night vision tube is mounted in optical alignment with a reflex sight.
- the helmet mounting system 100 includes a connection plate assembly 104 attached to the front portion of a helmet 108 .
- a pivoting helmet mount 112 is removably attached at a first end to the connection plate 104 and at a second end to an optical device 116 .
- the present invention is shown with a monocular night vision goggle, e.g., employing a single image intensifier tube and associated optics, for ease of exposition, however, it will be understood that the invention can be used with other types of sighting devices, such as a monocular or binoculars, helmet mounted display screen, head-up display or any other helmet mounted optical, electro-optical, and/or viewing devices.
- a monocular night vision goggle e.g., employing a single image intensifier tube and associated optics
- other types of sighting devices such as a monocular or binoculars, helmet mounted display screen, head-up display or any other helmet mounted optical, electro-optical, and/or viewing devices.
- the purpose of the mounting system is to position the optical device 116 so that it is movable between an operational or viewing position as shown in FIG. 1 and a stowed position as shown in FIG. 2 , thereby allowing the operator to reposition the optical device without the need to remove the helmet.
- the pivoting helmet mount 112 includes a helmet interface assembly 120 that interfaces with the mounting plate 104 .
- the mounting assembly 120 includes resilient buttons 124 having grooves or channels 128 formed therealong. The grooves 128 mate with guide rails 132 formed on the plate 104 .
- a locking member 136 engages an aligned opening 144 formed in the plate 104 and a tensioning member 140 such as a resilient button may be provided to prevent movement or rattling between interface assembly 120 and the plate 104 .
- the connection plate assembly 104 couples to the helmet 108 utilizing mechanical fasteners 148 , such as screws, rivets, clips, dogs, pawls, or the like.
- the helmet interface assembly 120 includes a sliding plate 152 which slides horizontally with respect to the helmet interface assembly 120 .
- the sliding plate is selectively positionable to provide a vertical adjustment of the optical device relative to the eyes of a wearer.
- an actuator button 156 is coupled to sliding cam or lever 158 which selective urges a gear rack lock member 160 toward gear rack 162 to prevent movement of the sliding plate 120 .
- the button 156 is manually depressed against the urging of spring 164 , the teeth 166 of the gear lock member 160 are urged out of engagement with the gear rack, allowing the sliding plate to be moved to a desired vertical position.
- the lever 158 is held in the locked position (upper position in the orientation shown) by tension from spring 164 .
- the cam surface 170 forces the gear rack lock 160 to compress spring 174 , which bears on the lock 160 , thus engaging the gear rack lock teeth 166 into the teeth 168 of the gear rack 162 .
- the button 156 presses the button 156 downward, thus compressing spring 164 .
- the spring 174 pushes the gear rack lock 160 away from the gear rack 160 , thus allowing the helmet mount to be repositioned to a different vertical location within the upper and lower adjustment limits.
- the button 156 is released.
- the spring 164 forces the lever 158 back into the locked position, and the cammed surface 170 causes the gear rack lock 160 to compress spring 174 whereby the toothed portion 166 of the lock engages the teeth 168 of the gear rack to lock the helmet mount sliding plate assembly in the selected vertical position.
- the sliding plate 152 also carries a user-selectable breakaway assembly 172 , as best seen in FIGS. 7A and 7B .
- the breakaway assembly provides an interface between a first pivot arm 176 and the sliding plate assembly 120 .
- the connection between the breakaway assembly and the pivot arm 176 may be selectively configured as a breakaway connection or a rigid attachment by moving lever 180 , as will be described in greater detail below.
- An angle or tilt adjustment knob 184 includes a threaded rod (not shown) rotatably engaging a mating threaded opening in the pivot arm 176 .
- the arm 176 rotates relative to plate 188 , which includes an elongate or curvate opening or slot (not shown) receiving the threaded rod. Loosening the knob 184 allows adjustment of the optics to a desired tilt angle according to user's eye position and a desired line of sight, whereby the tilt angle may then be secured in the desired position by tightening the knob 184 .
- a second pivot arm 192 is pivotally attached to the first pivot arm 176 .
- the second pivot arm 192 includes an outer, generally cylindrical sleeve 196 which rotates with respect to a pivot pin assembly 200 .
- the pivot pin assembly 200 includes a central rod 204 coaxial with the pivot axis and carrying a protruding pin 208 .
- a generally cylindrical sleeve or bushing 212 is coaxially disposed intermediate the sleeve 196 and the axial rod 204 .
- the bushing 212 includes an elongate slot 212 through which the pin 208 extends.
- the central rod 204 is movable in the axial direction against the urging of a captured coaxial spring (not shown) whereby the pin 208 may travel within the slot 212 .
- the outer sleeve 196 further includes a generally U-shaped slot 216 into which the pin 208 extends.
- the U-shaped slot 216 includes a rear axially extending leg 220 , a front axially extending leg 224 , and a base 228 extending in the radial direction between the legs 220 and 224 .
- the pin 208 engages the rear leg portion 220 of the channel 216 when the optical device is in the operational position. Manually depressing the central rod 204 and allows the arm 192 to pivot with respect to the arm 176 . Upon pivoting the unit and releasing the rod 204 , the pin 208 travels to the second leg 224 whereby the optical device is retained in the flipped-up position.
- the slot 212 and the legs 220 and 224 are tapered such that they widen toward the base 228 to provide a wedging action on the pin 208 and to provide ease of operation during the pivoting operation.
- the pivot arm 192 carries a pair of rails 232 extending in the horizontal position (when the helmet is worn by a user and the goggle is in the operational, i.e., flipped down, position).
- a sliding carriage 236 is movable along the slide rails 232 to allow the user to horizontally position the optical device at a comfortable or desired focal distance from the operator's eyes.
- At least one of the slide rails 232 (both in the depicted embodiment) contain a series of locking teeth 240 along its length for engaging an internal locking member such as a toothed member, pin, or the like, to provide secure retention at a selected position.
- Release buttons 244 biased toward the locked position, may be manually depressed to disengage the locking members to allow sliding movement of the carriage 236 until the optics are positioned at a desired focal position in front of the user's eye.
- FIGS. 8A and 8B there is shown an alternative embodiment carriage 230 for providing the fore and aft movement and securing the optical device to the helmet mount.
- the horizontal positioning is controlled by a rotary knob 234 that, when turned, moves the device closer to or farther away from the wearers eyes.
- the knob is mounted on a shaft 238 having a toothed gear 242 thereon.
- Parallel guide rails 232 and 233 ride in channels 246 and 250 , respectively.
- the gear 242 engages a series of teeth 240 on the rail 232 and which extend into the channel 246 , whereby the carriage 230 may be advanced or retracted along the rails 232 and 233 by manually rotating the knob 234 in the respective forward or reverse direction.
- either or both of the parallel rails may include a gear rack.
- the knobs 234 may be mounted on both sides of the horizontal slide, as depicted, or may be attached on one side only. For example, where a single knob 234 is provided, it may be positioned on the left side of the carriage 230 to accommodate a right hand operator, or on the right side to accommodate a left hand operator.
- the depicted viewing goggle 116 includes a central mounting member 246 for mounting the night vision tube 250 .
- the night vision tube is pivotally mounted to the mounting member 246 for aligning the optical axis of the night vision goggle with the user's eye.
- the mounting member 246 may additionally house a battery for providing power to operate the night vision goggle.
- the mounting member 246 may optionally accept a pair of night vision tubes to provide a binocular night vision goggle, which advantageously gives the viewer a perception of depth.
- the mounting member 246 may be of a type generally known in the art, see, e.g., U.S. Pat. No. 5,703,354.
- the mounting member 246 includes a mounting foot 248 for receiving a complementary mating and generally trapezoidal mounting shoe 252 located on the sliding carriage 236 .
- a locking member 256 is resiliently biased to engage complementary recess 260 located on the mounting foot 248 .
- An unlocking lever 264 is provided which can be used to manually disengage locking member 256 against the biasing of an internal spring (not shown) to release the optical device from the mounting unit.
- the selectable breakaway connector 172 includes a housing member 268 housing a cam 272 , which is manually rotatable via a lever 180 .
- Balls 276 partially protrude from the housing and are captured within retaining rings 280 .
- Coil springs 284 are housed within channels 288 formed in the housing 268 and urge the balls outwardly. The balls are prevented from escaping via inwardly extending lips 292 on the retaining rings 280 .
- the coils of the springs 284 are separated, thereby rendering the balls 276 resiliently depressible in the inward direction.
- the balls may move inwardly against the urging of the springs, thereby allowing the breakaway unit to separate when a sufficient force is applied.
- the breakaway setting as shown in FIG. 12 is advantageous in that it may prevent injury to the wearer in the event of entanglement or impact of the goggle 116 .
- the non-breakaway setting may advantageously be selected in instances where it is desired to prevent inadvertent dislodging of the goggles from the helmet, e.g., where loss of the goggles is possible or where the operator may be subject to high accelerational or G forces.
- Protrusions 300 engaging complimentary aligned openings or cavities 304 may also be provided to further secure the pivot leg 176 to the breakaway assembly.
- FIG. 13 there is shown a further embodiment helmet mount 100 a including a mounting plate 308 interfacing a helmet mount 112 , as detailed above, to a helmet 108 .
- the mounting plate 308 includes guide rails 132 for receiving the helmet mount assembly as described above and is secured to the front of the helmet 108 via a fastener 312 , such as a threaded fastener or the like.
- a pair of laterally spaced-apart hook members 316 engages the brim of the helmet, thereby providing three points of attachment of the plate member 308 .
- military helmets are provided with a single hole predrilled in the front thereof and the embodiment 100 a is advantageous in that it may readily be adapted to employ such predrilled hole for receiving the fastener 312 .
- a mounting plate 320 includes guide rails 132 for securing the pivoting mounting assembly 112 to the front of the helmet 108 (shown in fragmentary view) as described above.
- a strap 324 passes along the centerline of the helmet and attaches to a rear ratchet assembly 328 as will be described in greater detail below.
- the ratchet assembly 328 attaches to the rear of helmet 108 via a wrap-around bracket 332 including laterally spaced-apart hook members 336 engaging the rear brim portion of the helmet 108 .
- the front and rear hook members 316 and 336 may include noise and/or vibration dampening members 340 formed of a flexible elastic or resilient material.
- the dampening members 340 may be pads, grommets engaging holes formed in the hook members, or the like.
- Other flexible or resilient dampening members such as resilient member 344 may be provided at other points of contact as well.
- a mounting plate 348 includes a plurality of fasteners 352 , such as threaded fasteners, for securing the pivoting mounting assembly 112 a to the front of the helmet 108 (shown in fragmentary view and in phantom lines).
- the mounting assembly 112 a is substantially as described above with respect to mounting assembly 112 , except that the sliding plate assembly 152 is permanently attached to the plate 348 , i.e., such that the guide rails 132 and the release buttons 124 (see, e.g., FIGS. 3 and 4 ) have been omitted.
- a strap 324 passes along the centerline of the helmet and attaches to a rear ratchet assembly 328 , which in turn attaches to the rear of helmet 108 via a wrap-around bracket 332 including laterally spaced-apart hook members 336 engaging the rear brim portion of the helmet 108 .
- Dampening members 340 may also be provided as described above.
- the helmet strap ratchet system 328 attaches to the rear of the helmet via rear bracket 332 having wrap-around hooks 336 as described above.
- the bracket 332 is integrally formed with the gear rack 356 .
- the bracket 332 and the gear rack 356 could be separately formed and secured via a strap member or other mechanical linkage.
- the gear rack 356 is received within a housing comprising a cover plate 360 fastened to base plate 364 .
- a ratchet lock 368 pivots about pin 372 and is biased via spring 376 in the locked position.
- Ratchet lock 368 further includes a locking member or tooth 380 engaging spur gear 384 to prevent rotation in the loosening direction (counterclockwise in the depicted embodiment), while providing a ratcheting mechanism which allows rotation of spur gear 384 in the tightening direction. Manually depressing the ratchet lock 368 disengages the tooth 380 from the spur gear 384 allowing it to rotate in the loosening direction.
- the spur gear 384 engages a row of teeth 388 of the gear rack 356 whereby rotating the spur gear 384 advances or retracts the gear rack 356 and, thus, loosening or tightening the strap 84 .
- the ratchet assembly 328 further includes a slotted member 392 for receiving the strap 84 and wherein the loose end thereof may be retained, e.g., via a buckle 396 .
- the spur gear 384 is attached to a tensioning knob 400 via a screw 404 , dowel pins 408 , and retaining ring 412 . Spur gear 384 is rotated using the tensioning knob 400 . In this manner, the mounting system may be readily adapted for a variety of helmet sizes.
- Fasteners 416 , 420 , and 424 may be provided to secure the housing shell members 360 and 364 together.
- a plurality of spaced apart pins 428 may be provided adjacent the non-toothed edge 432 of the gear rack 356 to provide bearing points along which the surface 432 slides as the gear rack 356 is advanced and retracted.
- a track mounting system 102 is provided for mounting an optical device 116 as described above to the front of helmet 108 .
- the ratcheting assembly 436 includes a wrap-around bracket 332 for attachment to the rear brim portion of the helmet 108 , which is attached to a gear rack 356 .
- the mounting system 102 includes a bracket 448 which is slidable in track 452 as shown in FIG. 31 .
- the stowed optical device can then be further retracted by moving the entire assembly along the track 452 , thereby reducing front helmet weight and providing better center of gravity so as to improve helmet balance and reduce neck fatigue in the wearer.
- the sliding mount 448 includes pins, rails, or the like received within channels 456 of the track assembly 452 , thereby slidably retaining the mount 448 within the track channels 456 .
- the track assembly portion 452 may have a predetermined curvature which is adapted to fit a certain helmet type and/or size, or may be adapted to fit a variety of helmet types and sizes.
- the sliding mount 448 also includes quick release buttons 460 to allow the mount 448 to freely slide along the track 452 .
- the buttons 460 may operate against the urging of biasing springs to disengage the retaining members from complementary recesses formed within the track, the retaining pins being received within the recesses to provide secure retention at each end of travel along the track.
- the track assembly 452 is secured to the front brim portion of the helmet 108 via a front wrap-around attachment member 468 , which may be cushioned via resilient grommets 472 .
- Track member 452 includes and electrical connector 464 , which is electrically coupled with the electrical connector 440 .
- the electrical connector 464 may be used, for example, for attaching an identification friend-or-foe (IFF) transponder 476 .
- IFF identification friend-or-foe
- Other electrically operated devices, such as communication systems, are also contemplated.
- the electrical connectors 464 and 440 shown are bayonet-style connectors having a resilient or retractable protrusion 480 for locking an attached device or power supply in place, e.g., by engaging a complimentary cavity or depression in an attached device.
- a release lever 484 is also provided to disengage the protrusion 480 to allow removal of an attached device.
- a strap 488 couples the track assembly 452 and the ratchet assembly 436 .
- the strap and ratchet assembly allow the mounting system to be sized to fit multiple helmet sizes.
- the strap 488 houses electrical conductors, such as wiring or conductive traces on a flexible circuit board, which electrically couple the electrical connector 440 to the connector 464 , e.g., for providing power from an attached power supply 444 and an attached device such as the friend/for system 476 .
- the conductors may pass within an axial opening or channel formed in the strap.
- the strap 488 may be omitted the track assembly may be sized to span the entire helmet.
- the ratchet assembly 436 attaches to the rear brim portion of the helmet via rear bracket 332 having hooks 336 , preferably with resilient grommet inserts 340 .
- the ratchet assembly 436 includes a gear rack 356 received within a housing, for example a shell type housing comprising a cover plate 360 a fastened to a base plate 364 a .
- the ratchet assembly 436 includes a ratcheting thumb wheel 400 which is normally rotatable in the tightening direction only.
- a ratchet lock 368 is manually depressible to disengage the ratchet mechanism from the gear rack 356 , allowing the gear rack to move freely in either direction.
- the ratchet mechanism may be substantially as shown and described above by way of reference to the ratchet mechanism 328 shown in FIGS. 19-26 .
- the ratchet assembly 436 additionally includes electrical connector 440 for attaching power supply 444 and is electrically coupled to the connector 464 on the track assembly 352 via conductors passing within the strap 488 .
- the electrical connector 440 is a male bayonet style connector which engages a complementary female bayonet connector on the battery or battery pack 444 .
- the depicted battery pack 444 may house one or more batteries and preferably contains a female bayonet connector on a first side for connecting to the connector 440 and a male connector 492 on the opposite side of the unit to allow multiple battery packs 444 to be connected in parallel, e.g., to provide longer battery life.
- a removable cover 496 allows batteries contained within the battery pack 444 to be replaced.
- such optics will typically employ a self-contained power supply and, therefore, do not need to receive power from the helmet mounted power supply 444 .
- an electrical connection between the battery connector 440 and the bracket 448 be provided to power an attached electronically operated optical device.
- a weapon mount 500 for attaching an optical device to a weapon system is shown.
- This device allows an operator to quickly transfer an optical device, such as a helmet mounted optical device 116 , for shared use between a helmet mounting system, e.g., as described herein, and a weapon system.
- a helmet mounting system e.g., as described herein
- a weapon mount 500 is shown in connection with a Picatinny rail system (e.g., MIL-STD-1913) 504 , it will be recognized that the weapon mount 500 may be adapted for use with all manner firearms, including without limitation rifles, handguns, machine guns, mortars, etc., and all manner of weapon accessory mount rail interfaces or other mounting system types.
- the weapon mount 500 includes an optic mount 508 having a trapezoidal mounting shoe 252 for receiving a complimentary mounting foot 248 (see FIG. 9 ) of an optical device 116 .
- a locking member 256 is resiliently biased to engage a complementary recess 260 located on the mounting foot 248 (see FIG. 9 ).
- the trapezoidal shoe opens away from the operator, thus preventing slippage in the event of weapon recoil.
- An unlocking lever 264 is provided which can be used to manually disengage locking member 256 against the biasing of an internal spring (not shown) to release the optics from the mounting unit.
- a lock release button 512 may additionally be provided to maintain the locking member 256 in the locked position, for use in conjunction with lever 264 to release the optical device from the shoe portion 508 , e.g., to prevent disengagement of the optics due to recoil of the weapon.
- a rail clamp portion 516 of the weapon mount 500 attaches to a weapon rail 504 and includes a floating rail grabber 520 which is secured to the rail system via thumb screw 524 .
- a locator pin 528 engages a selected one of the recoil grooves 532 in the rail 504 .
- FIG. 35 depicts a preferred embodiment wherein the weapon 536 includes a reflex sight 540 of a type employing a light source for projecting a dot or other target designator, used in conjunction with a night vision tube 116 to provide night-time or low-light targeting capability.
- the reflex sight 540 is secured to the rail system 504 via a rail mount 544 .
- mount 500 may be preattached to the rail 504 , whereby the night vision tube may readily be transferred between a helmet mount system and the rail mount 500 , wherein it is in optical alignment with the reflex sight 540 .
- the reflex sight target designator is projected and superimposed by the eye of the viewer on the image generated by the night vision scope 116 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
Description
- This application claims priority as a divisional application under 35 U.S.C. § 120 to U.S. patent application Ser. No. 11/804,813 filed May 21, 2007, now U.S. Pat. No. 8,826,463, which in turn claims priority as a divisional application under 35 U.S.C. § 120 to U.S. patent application Ser. No. 10/959,906, filed Oct. 6, 2004, now U.S. Pat. No. 7,219,370, which properly claimed the benefit under 35 U.S.C. § 119(e) of U.S. provisional application Ser. No. 60/509,136 filed Oct. 6, 2003. Each of the aforementioned applications is incorporated by reference in its entirety.
- The present invention relates to helmet mounting systems and methods that integrate an optical vision device with a field helmet for alternately supporting the optical device in an operational position in front of the user's eyes and a stowed position out of the user's line of vision.
- The invention may take form in various components and arrangements of components, and in various steps and arrangements of steps. The drawings are only for purposes of illustrating preferred embodiments and are not to be construed as limiting the invention.
-
FIG. 1 is a front perspective view of a helmet carrying a helmet mount according to one embodiment of the present invention, wherein the helmet mount supports viewing optics in an operational or viewing position. -
FIG. 2 is a front perspective view of the embodiment shown inFIG. 1 , wherein the viewing optics are rotated to the stowed position. -
FIG. 3 is a front perspective view of the helmet shown inFIGS. 1 and 2 having a helmet mount base plate fastened thereto, wherein the optical device and the remainder of the mounting assembly has been selectively removed therefrom. -
FIG. 4 is a front perspective view of the mounting assembly shown inFIG. 1 . -
FIG. 5 is a rear perspective view of the mounting assembly shown inFIG. 4 . -
FIGS. 6A and 6B are front and exploded side views, respectively, of a vertical adjustment mechanism according to an embodiment of the present invention. -
FIG. 6C is an enlarged view of the vertical adjustment mechanism shown inFIGS. 6A and 6B . -
FIGS. 6D and 6E are enlarged views of the vertical adjustment mechanism shown inFIGS. 6A-6C in the respective locked and unlocked positions. -
FIGS. 7A and 7B are exploded views illustrating a breakaway mechanism according to a preferred embodiment of the present invention. -
FIGS. 8A and 8B illustrate an alternative horizontal adjustment mechanism according to the present invention. -
FIG. 9 is a top perspective view of a mounting system according to a further embodiment of the invention and which illustrates the manner of connecting the optical device to the mounting assembly. -
FIG. 10 is a bottom view of the vertical adjustment and breakaway assemblies. -
FIG. 11 is a cross-sectional view of the breakaway assembly taken along thelines 11--11 inFIG. 10 , depicted in the locked or non-breakaway configuration. -
FIG. 12 is a cross-sectional view of the breakaway assembly as shown inFIG. 11 , but illustrating the unlocked or breakaway configuration. -
FIG. 13 is a front perspective view of a helmet carrying a helmet mount according to another embodiment of the present invention. -
FIG. 14 is a front perspective view of the helmet shown inFIG. 13 , wherein the optical device and the flip-up mounting assembly has been selectively removed therefrom. -
FIG. 15 is a front perspective view of a helmet mounting system according to a further embodiment of the present invention. -
FIG. 16 is a front perspective view of the helmet mounting system shown inFIG. 15 , wherein the optical device and the pivoting mounting assembly has been selectively removed therefrom. -
FIGS. 17 and 18 are front and rear perspective views, respectively, of a helmet mounting system according to yet another embodiment of the present invention. -
FIG. 19 is an exploded side view andFIG. 20 is a rear view of the helmet strap ratchet system of the present invention. -
FIGS. 21 and 22 are exploded side and exploded rear views, respectively, of the cover plate assembly portion of a helmet strap ratchet assembly of the present invention. -
FIG. 23 is an exploded side view andFIG. 24 is a rear view of the base assembly portion of the helmet strap ratchet assembly of the present invention. -
FIG. 25 is a front view of a gear rack assembly for helmet strap ratchet system, which is integral with a bracket for engaging a rear brim portion of a helmet. -
FIG. 26 is an exploded side view of the integrated gear rack shown inFIG. 25 and the ratchet system cover plate assembly. -
FIG. 27 is a rear perspective view of a helmet carrying a track mount system according to still another embodiment of the present invention, which may be adapted for carrying electrical components. -
FIG. 28 is a rear perspective view of the helmet and track mount system shown inFIG. 27 , wherein the electrical components are removed. -
FIG. 29 is a top view of the helmet and track system shown inFIG. 27 . -
FIG. 30 is a front perspective view of the helmet and track system shown inFIG. 28 , wherein the optical device is in the operational position. -
FIGS. 31 and 32 are a front and top perspective views, respectively, of the helmet and track system shown inFIG. 30 , wherein the optical device is shown in the raised or flipped-up position. -
FIG. 33 is a top perspective view of an optic mount adapter for attaching a helmet mounted optical device to a weapon mount system. -
FIG. 34 is a bottom perspective view of the adapter shown inFIG. 33 . -
FIG. 35 is a fragmentary view of a weapon system employing the adapter shown inFIG. 33 wherein a night vision tube is mounted in optical alignment with a reflex sight. - Referring now to the drawing FIGURES, wherein like reference numerals refer to like or analogous components throughout the several views, and with particular reference to
FIGS. 1-3 , there appears a first exemplary helmet mounting system embodiment 100 of the present invention. The helmet mounting system 100 includes aconnection plate assembly 104 attached to the front portion of ahelmet 108. A pivotinghelmet mount 112 is removably attached at a first end to theconnection plate 104 and at a second end to anoptical device 116. The present invention is shown with a monocular night vision goggle, e.g., employing a single image intensifier tube and associated optics, for ease of exposition, however, it will be understood that the invention can be used with other types of sighting devices, such as a monocular or binoculars, helmet mounted display screen, head-up display or any other helmet mounted optical, electro-optical, and/or viewing devices. - The purpose of the mounting system is to position the
optical device 116 so that it is movable between an operational or viewing position as shown inFIG. 1 and a stowed position as shown inFIG. 2 , thereby allowing the operator to reposition the optical device without the need to remove the helmet. - With reference now to
FIGS. 4 and 5 , and with continued reference toFIGS. 1-3 , the pivotinghelmet mount 112 includes ahelmet interface assembly 120 that interfaces with themounting plate 104. Themounting assembly 120 includesresilient buttons 124 having grooves orchannels 128 formed therealong. Thegrooves 128 mate withguide rails 132 formed on theplate 104. Alocking member 136 engages an alignedopening 144 formed in theplate 104 and atensioning member 140 such as a resilient button may be provided to prevent movement or rattling betweeninterface assembly 120 and theplate 104. Theconnection plate assembly 104 couples to thehelmet 108 utilizingmechanical fasteners 148, such as screws, rivets, clips, dogs, pawls, or the like. - The
helmet interface assembly 120 includes asliding plate 152 which slides horizontally with respect to thehelmet interface assembly 120. The sliding plate is selectively positionable to provide a vertical adjustment of the optical device relative to the eyes of a wearer. - As best seen in
FIGS. 6A-6E , anactuator button 156 is coupled to sliding cam or lever 158 which selective urges a gearrack lock member 160 towardgear rack 162 to prevent movement of the slidingplate 120. When thebutton 156 is manually depressed against the urging ofspring 164, theteeth 166 of thegear lock member 160 are urged out of engagement with the gear rack, allowing the sliding plate to be moved to a desired vertical position. - The
lever 158 is held in the locked position (upper position in the orientation shown) by tension fromspring 164. When thelever 158 is in the locked position, thecam surface 170 forces thegear rack lock 160 to compressspring 174, which bears on thelock 160, thus engaging the gearrack lock teeth 166 into theteeth 168 of thegear rack 162. When the operator desires to change the vertical position of the helmet mount, he/she presses thebutton 156 downward, thus compressingspring 164. Thespring 174 pushes thegear rack lock 160 away from thegear rack 160, thus allowing the helmet mount to be repositioned to a different vertical location within the upper and lower adjustment limits. When the operator selects the correct vertical location for the helmet mount, thebutton 156 is released. Thespring 164 forces thelever 158 back into the locked position, and thecammed surface 170 causes thegear rack lock 160 to compressspring 174 whereby thetoothed portion 166 of the lock engages theteeth 168 of the gear rack to lock the helmet mount sliding plate assembly in the selected vertical position. - The sliding
plate 152 also carries a user-selectable breakaway assembly 172, as best seen inFIGS. 7A and 7B . The breakaway assembly provides an interface between afirst pivot arm 176 and the slidingplate assembly 120. The connection between the breakaway assembly and thepivot arm 176 may be selectively configured as a breakaway connection or a rigid attachment by movinglever 180, as will be described in greater detail below. - An angle or
tilt adjustment knob 184 includes a threaded rod (not shown) rotatably engaging a mating threaded opening in thepivot arm 176. Thearm 176 rotates relative toplate 188, which includes an elongate or curvate opening or slot (not shown) receiving the threaded rod. Loosening theknob 184 allows adjustment of the optics to a desired tilt angle according to user's eye position and a desired line of sight, whereby the tilt angle may then be secured in the desired position by tightening theknob 184. - A
second pivot arm 192 is pivotally attached to thefirst pivot arm 176. Thesecond pivot arm 192 includes an outer, generallycylindrical sleeve 196 which rotates with respect to apivot pin assembly 200. Thepivot pin assembly 200 includes acentral rod 204 coaxial with the pivot axis and carrying a protrudingpin 208. A generally cylindrical sleeve orbushing 212 is coaxially disposed intermediate thesleeve 196 and theaxial rod 204. Thebushing 212 includes anelongate slot 212 through which thepin 208 extends. Thecentral rod 204 is movable in the axial direction against the urging of a captured coaxial spring (not shown) whereby thepin 208 may travel within theslot 212. - The
outer sleeve 196 further includes a generallyU-shaped slot 216 into which thepin 208 extends. TheU-shaped slot 216 includes a rearaxially extending leg 220, a front axially extending leg 224, and a base 228 extending in the radial direction between thelegs 220 and 224. Thepin 208 engages therear leg portion 220 of thechannel 216 when the optical device is in the operational position. Manually depressing thecentral rod 204 and allows thearm 192 to pivot with respect to thearm 176. Upon pivoting the unit and releasing therod 204, thepin 208 travels to the second leg 224 whereby the optical device is retained in the flipped-up position. In a preferred embodiment, theslot 212 and thelegs 220 and 224 are tapered such that they widen toward the base 228 to provide a wedging action on thepin 208 and to provide ease of operation during the pivoting operation. - The
pivot arm 192 carries a pair ofrails 232 extending in the horizontal position (when the helmet is worn by a user and the goggle is in the operational, i.e., flipped down, position). A slidingcarriage 236 is movable along the slide rails 232 to allow the user to horizontally position the optical device at a comfortable or desired focal distance from the operator's eyes. At least one of the slide rails 232 (both in the depicted embodiment) contain a series of lockingteeth 240 along its length for engaging an internal locking member such as a toothed member, pin, or the like, to provide secure retention at a selected position.Release buttons 244, biased toward the locked position, may be manually depressed to disengage the locking members to allow sliding movement of thecarriage 236 until the optics are positioned at a desired focal position in front of the user's eye. - Referring now to
FIGS. 8A and 8B , there is shown analternative embodiment carriage 230 for providing the fore and aft movement and securing the optical device to the helmet mount. In this embodiment, the horizontal positioning is controlled by arotary knob 234 that, when turned, moves the device closer to or farther away from the wearers eyes. The knob is mounted on ashaft 238 having atoothed gear 242 thereon.Parallel guide rails channels gear 242 engages a series ofteeth 240 on therail 232 and which extend into thechannel 246, whereby thecarriage 230 may be advanced or retracted along therails knob 234 in the respective forward or reverse direction. It will be recognized that a variety of configurations are possible. For example, either or both of the parallel rails may include a gear rack. Likewise, theknobs 234 may be mounted on both sides of the horizontal slide, as depicted, or may be attached on one side only. For example, where asingle knob 234 is provided, it may be positioned on the left side of thecarriage 230 to accommodate a right hand operator, or on the right side to accommodate a left hand operator. - The sliding
carriage optical device 116. As best seen inFIGS. 1 and 9 , the depictedviewing goggle 116 includes a central mountingmember 246 for mounting thenight vision tube 250. In the illustrated embodiment, the night vision tube is pivotally mounted to the mountingmember 246 for aligning the optical axis of the night vision goggle with the user's eye. The mountingmember 246 may additionally house a battery for providing power to operate the night vision goggle. Although the depicted embodiment is shown with a monocular night vision scope, the mountingmember 246 may optionally accept a pair of night vision tubes to provide a binocular night vision goggle, which advantageously gives the viewer a perception of depth. The mountingmember 246 may be of a type generally known in the art, see, e.g., U.S. Pat. No. 5,703,354. The mountingmember 246 includes a mountingfoot 248 for receiving a complementary mating and generally trapezoidal mountingshoe 252 located on the slidingcarriage 236. A lockingmember 256 is resiliently biased to engagecomplementary recess 260 located on the mountingfoot 248. An unlockinglever 264 is provided which can be used to manually disengage lockingmember 256 against the biasing of an internal spring (not shown) to release the optical device from the mounting unit. - As can best be seen in
FIGS. 7A , 7B, and 10-12, theselectable breakaway connector 172 includes ahousing member 268 housing acam 272, which is manually rotatable via alever 180.Balls 276 partially protrude from the housing and are captured within retaining rings 280. Coil springs 284 are housed withinchannels 288 formed in thehousing 268 and urge the balls outwardly. The balls are prevented from escaping via inwardly extendinglips 292 on the retaining rings 280. - When the
cam 272 is rotated such that the long axis of the cam is aligned with the axes of the aligned bores 288, as shown inFIG. 11 , the coils of thesprings 284 are compressed to their maximum extent, whereby, the balls are not inwardly depressible. In this manner, the balls are rigidly maintained in the outward, protruding position, thereby engagingcomplimentary openings 296 in non-breakaway fashion. - When the cam is rotated such that the long axis of the cam is perpendicular with the axes of the aligned bores 288, as shown in
FIG. 12 , the coils of thesprings 284 are separated, thereby rendering theballs 276 resiliently depressible in the inward direction. In this manner, the balls may move inwardly against the urging of the springs, thereby allowing the breakaway unit to separate when a sufficient force is applied. The breakaway setting as shown inFIG. 12 is advantageous in that it may prevent injury to the wearer in the event of entanglement or impact of thegoggle 116. Likewise, the non-breakaway setting may advantageously be selected in instances where it is desired to prevent inadvertent dislodging of the goggles from the helmet, e.g., where loss of the goggles is possible or where the operator may be subject to high accelerational or G forces.Protrusions 300 engaging complimentary aligned openings orcavities 304 may also be provided to further secure thepivot leg 176 to the breakaway assembly. - Referring now to
FIG. 13 , there is shown a furtherembodiment helmet mount 100 a including a mountingplate 308 interfacing ahelmet mount 112, as detailed above, to ahelmet 108. As seen inFIG. 14 , the mountingplate 308 includesguide rails 132 for receiving the helmet mount assembly as described above and is secured to the front of thehelmet 108 via afastener 312, such as a threaded fastener or the like. Also, a pair of laterally spaced-aparthook members 316 engages the brim of the helmet, thereby providing three points of attachment of theplate member 308. Commonly, military helmets are provided with a single hole predrilled in the front thereof and theembodiment 100 a is advantageous in that it may readily be adapted to employ such predrilled hole for receiving thefastener 312. - Referring now to
FIGS. 15 and 16 , there appears astrap mount system 100 b according to another embodiment of the present invention. A mountingplate 320 includesguide rails 132 for securing thepivoting mounting assembly 112 to the front of the helmet 108 (shown in fragmentary view) as described above. Astrap 324 passes along the centerline of the helmet and attaches to arear ratchet assembly 328 as will be described in greater detail below. Theratchet assembly 328 attaches to the rear ofhelmet 108 via a wrap-aroundbracket 332 including laterally spaced-aparthook members 336 engaging the rear brim portion of thehelmet 108. The front andrear hook members vibration dampening members 340 formed of a flexible elastic or resilient material. In the depicted embodiment, the dampeningmembers 340 may be pads, grommets engaging holes formed in the hook members, or the like. Other flexible or resilient dampening members such asresilient member 344 may be provided at other points of contact as well. - Referring now to
FIGS. 17 and 18 , there appears astrap mount system 100 c according to yet another embodiment of the present invention. A mountingplate 348 includes a plurality offasteners 352, such as threaded fasteners, for securing thepivoting mounting assembly 112 a to the front of the helmet 108 (shown in fragmentary view and in phantom lines). The mountingassembly 112 a is substantially as described above with respect to mountingassembly 112, except that the slidingplate assembly 152 is permanently attached to theplate 348, i.e., such that theguide rails 132 and the release buttons 124 (see, e.g.,FIGS. 3 and 4 ) have been omitted. Astrap 324 passes along the centerline of the helmet and attaches to arear ratchet assembly 328, which in turn attaches to the rear ofhelmet 108 via a wrap-aroundbracket 332 including laterally spaced-aparthook members 336 engaging the rear brim portion of thehelmet 108. Dampeningmembers 340 may also be provided as described above. - Referring now to
FIGS. 19-26 , the helmetstrap ratchet system 328 according to the present invention attaches to the rear of the helmet viarear bracket 332 having wrap-around hooks 336 as described above. In the depicted embodiment, thebracket 332 is integrally formed with thegear rack 356. However, thebracket 332 and thegear rack 356 could be separately formed and secured via a strap member or other mechanical linkage. - The
gear rack 356 is received within a housing comprising acover plate 360 fastened tobase plate 364. Aratchet lock 368 pivots aboutpin 372 and is biased viaspring 376 in the locked position.Ratchet lock 368 further includes a locking member ortooth 380engaging spur gear 384 to prevent rotation in the loosening direction (counterclockwise in the depicted embodiment), while providing a ratcheting mechanism which allows rotation ofspur gear 384 in the tightening direction. Manually depressing theratchet lock 368 disengages thetooth 380 from thespur gear 384 allowing it to rotate in the loosening direction. Thespur gear 384 engages a row ofteeth 388 of thegear rack 356 whereby rotating thespur gear 384 advances or retracts thegear rack 356 and, thus, loosening or tightening thestrap 84. Theratchet assembly 328 further includes a slottedmember 392 for receiving thestrap 84 and wherein the loose end thereof may be retained, e.g., via abuckle 396. Thespur gear 384 is attached to atensioning knob 400 via ascrew 404, dowel pins 408, and retainingring 412.Spur gear 384 is rotated using thetensioning knob 400. In this manner, the mounting system may be readily adapted for a variety of helmet sizes. Also, the wearer can attach and remove the helmet mount system as needed without the need for removing the helmet.Fasteners housing shell members non-toothed edge 432 of thegear rack 356 to provide bearing points along which thesurface 432 slides as thegear rack 356 is advanced and retracted. - Referring now to
FIGS. 27-32 , atrack mounting system 102 is provided for mounting anoptical device 116 as described above to the front ofhelmet 108. A ratchetingassembly 436 incorporatingelectrical connectors 440 for removably attaching apower supply 444, such as an optionally rechargeable battery or battery pack, is provided. The ratchetingassembly 436 includes a wrap-aroundbracket 332 for attachment to the rear brim portion of thehelmet 108, which is attached to agear rack 356. - The mounting
system 102 includes abracket 448 which is slidable intrack 452 as shown inFIG. 31 . In addition to allowing theoptical device 116 to be flipped up from the operational position (FIG. 30 ) to a stowed position (FIG. 31 ), the stowed optical device can then be further retracted by moving the entire assembly along thetrack 452, thereby reducing front helmet weight and providing better center of gravity so as to improve helmet balance and reduce neck fatigue in the wearer. - The sliding
mount 448 includes pins, rails, or the like received withinchannels 456 of thetrack assembly 452, thereby slidably retaining themount 448 within thetrack channels 456. Thetrack assembly portion 452 may have a predetermined curvature which is adapted to fit a certain helmet type and/or size, or may be adapted to fit a variety of helmet types and sizes. The slidingmount 448 also includesquick release buttons 460 to allow themount 448 to freely slide along thetrack 452. For example, thebuttons 460 may operate against the urging of biasing springs to disengage the retaining members from complementary recesses formed within the track, the retaining pins being received within the recesses to provide secure retention at each end of travel along the track. - The
track assembly 452 is secured to the front brim portion of thehelmet 108 via a front wrap-aroundattachment member 468, which may be cushioned viaresilient grommets 472. -
Track member 452 includes andelectrical connector 464, which is electrically coupled with theelectrical connector 440. Theelectrical connector 464 may be used, for example, for attaching an identification friend-or-foe (IFF)transponder 476. Other electrically operated devices, such as communication systems, are also contemplated. Theelectrical connectors retractable protrusion 480 for locking an attached device or power supply in place, e.g., by engaging a complimentary cavity or depression in an attached device. Arelease lever 484 is also provided to disengage theprotrusion 480 to allow removal of an attached device. - A
strap 488 couples thetrack assembly 452 and theratchet assembly 436. The strap and ratchet assembly allow the mounting system to be sized to fit multiple helmet sizes. Thestrap 488 houses electrical conductors, such as wiring or conductive traces on a flexible circuit board, which electrically couple theelectrical connector 440 to theconnector 464, e.g., for providing power from an attachedpower supply 444 and an attached device such as the friend/forsystem 476. For example, the conductors may pass within an axial opening or channel formed in the strap. In an alternative embodiment, thestrap 488 may be omitted the track assembly may be sized to span the entire helmet. - The
ratchet assembly 436 attaches to the rear brim portion of the helmet viarear bracket 332 havinghooks 336, preferably with resilient grommet inserts 340. Theratchet assembly 436 includes agear rack 356 received within a housing, for example a shell type housing comprising acover plate 360 a fastened to abase plate 364 a. Theratchet assembly 436 includes a ratchetingthumb wheel 400 which is normally rotatable in the tightening direction only. Aratchet lock 368 is manually depressible to disengage the ratchet mechanism from thegear rack 356, allowing the gear rack to move freely in either direction. The ratchet mechanism may be substantially as shown and described above by way of reference to theratchet mechanism 328 shown inFIGS. 19-26 . - The
ratchet assembly 436 additionally includeselectrical connector 440 for attachingpower supply 444 and is electrically coupled to theconnector 464 on thetrack assembly 352 via conductors passing within thestrap 488. In the depicted embodiment, theelectrical connector 440 is a male bayonet style connector which engages a complementary female bayonet connector on the battery orbattery pack 444. - The depicted
battery pack 444 may house one or more batteries and preferably contains a female bayonet connector on a first side for connecting to theconnector 440 and amale connector 492 on the opposite side of the unit to allow multiple battery packs 444 to be connected in parallel, e.g., to provide longer battery life. Aremovable cover 496 allows batteries contained within thebattery pack 444 to be replaced. - In a preferred embodiment, where a night vision scope or other electronically operated optical device is employed, such optics will typically employ a self-contained power supply and, therefore, do not need to receive power from the helmet mounted
power supply 444. However, in certain embodiments, it is contemplated that an electrical connection between thebattery connector 440 and thebracket 448 be provided to power an attached electronically operated optical device. - Referring now to
FIGS. 33-35 , aweapon mount 500 for attaching an optical device to a weapon system is shown. This device allows an operator to quickly transfer an optical device, such as a helmet mountedoptical device 116, for shared use between a helmet mounting system, e.g., as described herein, and a weapon system. Although the illustratedweapon mount 500 is shown in connection with a Picatinny rail system (e.g., MIL-STD-1913) 504, it will be recognized that theweapon mount 500 may be adapted for use with all manner firearms, including without limitation rifles, handguns, machine guns, mortars, etc., and all manner of weapon accessory mount rail interfaces or other mounting system types. - The
weapon mount 500 includes anoptic mount 508 having atrapezoidal mounting shoe 252 for receiving a complimentary mounting foot 248 (seeFIG. 9 ) of anoptical device 116. A lockingmember 256 is resiliently biased to engage acomplementary recess 260 located on the mounting foot 248 (seeFIG. 9 ). The trapezoidal shoe opens away from the operator, thus preventing slippage in the event of weapon recoil. An unlockinglever 264 is provided which can be used to manually disengage lockingmember 256 against the biasing of an internal spring (not shown) to release the optics from the mounting unit. Alock release button 512 may additionally be provided to maintain the lockingmember 256 in the locked position, for use in conjunction withlever 264 to release the optical device from theshoe portion 508, e.g., to prevent disengagement of the optics due to recoil of the weapon. Arail clamp portion 516 of theweapon mount 500 attaches to aweapon rail 504 and includes a floatingrail grabber 520 which is secured to the rail system viathumb screw 524. Alocator pin 528 engages a selected one of therecoil grooves 532 in therail 504. -
FIG. 35 depicts a preferred embodiment wherein theweapon 536 includes areflex sight 540 of a type employing a light source for projecting a dot or other target designator, used in conjunction with anight vision tube 116 to provide night-time or low-light targeting capability. Thereflex sight 540 is secured to therail system 504 via arail mount 544. In operation, mount 500 may be preattached to therail 504, whereby the night vision tube may readily be transferred between a helmet mount system and therail mount 500, wherein it is in optical alignment with thereflex sight 540. In this manner, the reflex sight target designator is projected and superimposed by the eye of the viewer on the image generated by thenight vision scope 116. - The invention has been described with reference to the preferred embodiments. Modifications and alterations will occur to others upon a reading and understanding of the preceding detailed description. It is intended that the invention be construed as including these and other modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof. All references cited herein are incorporated herein by reference in their entireties.
Claims (21)
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US7219370B1 (en) | 2007-05-22 |
US20070214551A1 (en) | 2007-09-20 |
US8826463B2 (en) | 2014-09-09 |
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