HELMET MOUNTING SYSTEMS
Pivoting helmet mounts for an optical device are provided. In one aspect, a breakaway connector which is selectively configurable between breakaway and nonbreakaway configurations is provided. In a further aspect, a strap mount system for securing the helmet mount to the helmet employs a rotating ratchet assembly to adjust tension in the strap. In another aspect, a helmet mount for an optical device comprises a track assembly attached to a helmet to allow stowing of the optical device in a further retracted position. The track mount system may further include electrical connectors for attaching a power supply and an electronic device. In another aspect, a mounting bracket allows helmet-mounted optics to be shared with a weapon accessory mount. In a further aspect, a optical sighting device for a weapon combines a reflex sight a night vision goggle to allow targeting at night or in other low-light conditions.
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.
FIELD OF THE INVENTIONThe 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.
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
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
With reference now to
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.
As best seen in
The lever 158 is held in the locked position (upper position in the orientation shown) by tension from spring 164. When the lever 158 is in the locked position, 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. When the operator desires to change the vertical position of the helmet mount, he/she 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. When the operator selects the correct vertical location for the helmet mount, 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
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. In a preferred embodiment, 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.
Referring now to
The sliding carriage 236 or 230 is secured to the optical device 116. As best seen in
As can best be seen in
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 in
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
Referring now to
Referring now to
Referring now to
Referring now to
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. Also, the wearer can attach and remove the helmet mount system as needed without the need for removing the helmet. Fasteners 416, 420, and 424, such as threaded fasteners, pins, and the like, 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.
Referring now to
The mounting system 102 includes a bracket 448 which is slidable in track 452 as shown in
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. For example, 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. 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. For example, the conductors may pass within an axial opening or channel formed in the strap. In an alternative embodiment, 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 360a fastened to a base plate 364a. 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
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. In the depicted embodiment, 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.
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 the battery connector 440 and the bracket 448 be provided to power an attached electronically operated optical device.
Referring now to
The weapon mount 500 includes an optic mount 508 having a trapezoidal mounting shoe 252 for receiving a complimentary mounting foot 248 (see
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
1-20. (canceled)
21. A mounting bracket for mounting a night vision device to a weapon, comprising:
- a first attachment member including a first fastener configured to removably attach to a rail interface of the weapon; and
- a second attachment member attached to the first attachment member, the second attachment member including a second fastener configured to removably attach to a coupling member of the night vision device and support the night vision device in alignment with a barrel of the weapon.
22. The mounting bracket of claim 21, wherein the first fastener is an accessory rail clamp.
23. The mounting bracket of claim 22, wherein the rail clamp includes a floating rail grabber and a threaded fastener rotatably attached to the floating rail grabber, the threaded fastener configured to selectively move the floating rail grabber toward and away from the rail interface responsive to rotation of the threaded fastener in a first direction and a second direction opposite the first direction, respectively.
24. The mounting bracket of claim 23, further comprising a locator pin attached to the first attachment member for selectively engaging a recoil groove in the rail interface.
25. The mounting bracket of claim 22, wherein the accessory rail claim is configured to removably attach to a Picatinny accessory rail.
26. The mounting bracket of claim 21, wherein the second fastener includes a generally trapezoidal receptacle removably and slidably receiving a complimentary mounting foot on the night vision device.
27. The mounting bracket of claim 26, wherein the trapezoidal receptacle includes a resilient locking member configured to removably engage a complementary recess of the mounting foot.
28. The mounting bracket of claim 27, further comprising a spring resiliently biasing the locking member towards the complementary recess.
29. The mounting bracket of claim 28, further comprising an unlocking lever attached to the locking member, said unlocking lever manually actuatable to move the locking member from the complementary recess.
30. The mounting bracket of claim 26, wherein the trapezoidal receptacle has a first end and a second end opposite the first end, the second and wider than the first and, wherein the second and is disposed away from the operator of the weapon when the mounting bracket is attached to the rail interface of the weapon.
31. A sighting system, comprising:
- a mounting bracket comprising a first attachment member including a first fastener configured to removably attach to a rail interface of a weapon, and a second attachment member attached to the first attachment member, the second attachment member including a second fastener configured to removably attach to a coupling member of a night vision device and support the night vision device in alignment with a barrel of the weapon; and
- a reflex sight removably mountable to the weapon for projecting a target designator for use in aiming the weapon, the target designator viewable along a sighting axis; and
- a night vision device removably mountable to the weapon in optical alignment with said reflex sight for generating a human-viewable image in low light conditions of a target scene taken along the sighting axis, wherein said target designator is superimposed on said human-viewable image.
32. The sighting system of claim 31, wherein the first fastener is an accessory rail clamp.
33. The sighting system of claim 32, wherein the rail clamp includes a floating rail grabber and a threaded fastener rotatably attached to the floating rail grabber, the threaded fastener configured to selectively move the floating rail grabber toward and away from the rail interface responsive to rotation of the threaded fastener in a first direction and a second direction opposite the first direction, respectively.
34. The sighting system of claim 33, further comprising a locator pin attached to the first attachment member for selectively engaging a recoil groove in the rail interface.
35. The sighting system of claim 32, wherein the accessory rail claim is configured to removably attach to a Picatinny accessory rail.
36. The sighting system of claim 31, wherein the second fastener includes a generally trapezoidal receptacle removably and slidably receiving a complimentary mounting foot on the night vision device.
37. The sighting system of claim 36, wherein the trapezoidal receptacle includes a resilient locking member configured to removably engage a complementary recess of the mounting foot.
38. The sighting system of claim 37, further comprising a spring resiliently biasing the locking member towards the complementary recess and an unlocking lever attached to the locking member, said unlocking lever manually actuatable to move the locking member from the complementary recess.
39. The sighting system of claim 36, wherein the trapezoidal receptacle has a first end and a second end opposite the first end, the second and wider than the first and, wherein the second and is disposed away from the operator of the weapon when the mounting bracket is attached to the rail interface of the weapon.
40. The sighting system of claim 31, further comprising a pivoting helmet mount configured to removably attach the night vision device to a helmet, wherein said mounting bracket is configured to be interchangeably and alternatively mounted to said pivoting helmet mount and said mounting bracket.
Type: Application
Filed: Sep 9, 2014
Publication Date: Dec 25, 2014
Inventors: James W. Teetzel (Portsmouth, NH), Gary M. Lemire (Lee, NH), David G. Kent (Morehead City, VA)
Application Number: 14/481,298
International Classification: F41G 1/34 (20060101); F41G 1/30 (20060101); F41C 27/00 (20060101); F41G 1/00 (20060101);