US20210140742A1 - Tactical rails, tactical rail systems, and firearm assemblies having tactical rails - Google Patents
Tactical rails, tactical rail systems, and firearm assemblies having tactical rails Download PDFInfo
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- US20210140742A1 US20210140742A1 US16/934,678 US202016934678A US2021140742A1 US 20210140742 A1 US20210140742 A1 US 20210140742A1 US 202016934678 A US202016934678 A US 202016934678A US 2021140742 A1 US2021140742 A1 US 2021140742A1
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- United States
- Prior art keywords
- rail
- tactical
- accessory
- speed data
- contact optical
- 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
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Classifications
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- 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
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- 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"
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/278—Bus-type networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- 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
- G02B23/14—Viewfinders
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- 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
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
Abstract
A tactical rail for a firearm includes a rail body having a receiver end and a muzzle end, a non-contact optical connection, and a high speed data spoke. The non-contact optical connection is arranged at an end of the rail body and is configured to interface with a corresponding non-contact optical interface. The high speed data spoke is connected to the non-contact optical connection for high speed data communication through the non-contact optical connection and the corresponding non-contact optical interface. Tactical rail arrangements and firearm with tactical rails and tactical rail arrangements are also described.
Description
- Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 CFR 1.57.
- The present disclosure relates to firearms, and more particularly to tactical rails for removably fixing accessories to firearms.
- Firearms, such as assault rifles, commonly include accessory rails. Accessory rails generally conform to a rail standard, for example, MIL-STD-1913, Weaver, NATO STANAG 4694 accessory rails, and are designed to allow a user to attach and detach various accessories to firearms. Firearms fitted with accessory rails in turn can be readily kitted with various accessories that conform to the particular accessory rail standard, such as with telescopic sights, tactical sights, laser sighting modules, night vision devices, and range finders, thereby enhancing or provide additional capability to the firearm. In some cases a user can add accessories to the firearm using an accessory rail without specialized tools or training.
- Some firearm accessories require electrical power and/or connectivity for data communication. To accommodate the need for electrical power some accessory rails include power distribution capability for providing electrical power to accessories through the accessory rail. To accommodate the need for connectivity some accessory rails include integral data links. Integral data links are generally limited to low speed data communication, accessories requiring high speed data connectivity typically provisioned with coaxial cables or wireless transceivers to provide additional bandwidth for higher data rates of data communication.
- Such conventional methods and systems have generally been considered satisfactory for their intended purpose. However, there is still a need in the art for improved tactical rails and tactical rail arrangements. The present disclosure provides a solution for this need.
- A tactical rail for a firearm includes a rail body having a receiver end and a muzzle end, a non-contact optical connection, and a high speed data spoke. The non-contact optical connection is arranged at an end of the rail body and is configured to interface with a corresponding non-contact optical interface. The high speed data spoke is connected to the non-contact optical connection for high speed data communication with a high speed data accessory through the non-contact optical connection and the corresponding non-contact optical interface.
- In certain embodiments the rail body can be interchangeable with a handguard for a firearm. The rail body can be configured for fixation to a firearm as an upper tactical rail, a right-hand tactical rail, or a left-hand tactical rail. The rail body can have ribs and slots axially spaced along the rail body between the receiver end and the muzzle end of the rail body. The rail body can conform to a Weaver, Warsaw Pact, KeyMod, M-LOK, or MIL-STD-1913 rail standard.
- In accordance with certain embodiments, the non-contact optical connection can be arranged at the receiver end of the rail body. The non-contact optical connection can be arranged at the muzzle end of the rail body. The high speed data spoke can be a rail spoke extending from the receiver end of the rail body to the muzzle end of the rail body. The high speed data spoke can be a crossover spoke configured to connect with a non-contact optical connection of another tactical rail. The high speed data spoke can include an optical waveguide, such as a fiber optic or fiber optic bundle, a glass light pipe, or a plastic light pipe.
- In accordance with further embodiments, the non-contact optical connection can be a receiver end non-contact optical connection arranged at the receiver end of the rail body. A muzzle end non-contact optical connection can be arranged at the muzzle end of the rail body.
- The high speed data spoke can connect the muzzle end non-contact optical connection with the receiver end non-contact optical connection. The crossover spoke can be connected to the muzzle end of the rail body to connect with a non-contact optical connection of another tactical rail. The crossover spoke can be connected to the receiver end of the rail body to connect with a non-contact optical connection of another tactical rail.
- It is contemplated that the non-contact optical connection can be a first receiver end non-contact optical connection and a second receiver end non-contact optical connection can be arranged at the receiver end of the rail body. The high speed data spoke can include a crossover spoke connected to the second receiver end non-contact optical connection, the crossover spoke configured to connect with a non-contact optical connection of another tactical rail. A third receiver end non-contact optical connection can be arranged at the receiver end of the rail body and adjacent to the second receiver end non-contact optical connection. A crossover spoke can be connected to the third receiver end non-contact optical connection, the crossover spoke also configured to connect with a non-contact optical connection of still another tactical rail.
- It is also contemplated that the rail body can include a power bus. The power bus can include a contact electrical connection co-located with the non-contact optical connection. The power bus can include a rail segment. The rail segment can extend between the muzzle end of the rail body and the receiver end of the rail body. The power bus can include a crossover segment. The crossover segment can be configured to electrically connect to a rail segment of another tactical rail.
- In further embodiments a high speed data accessory can be removably fixed to the tactical rail and in optical communication with the non-contact optical connection. The high speed data accessory can be a first high speed data accessory and a second high speed data accessory can be in high speed data communication with the first high speed data accessory through the high speed data spoke. The first high speed data accessory and the second high speed data accessory can be removably fixed to a common tactical rail. The second high speed data accessory can be removably fixed to another tactical rail.
- In still further embodiments the tactical rail can include an accessory detector. The accessory detector can be co-located with the non-contact optical connection. The accessory detector can include a hall-effect sensor, a pressure sensor, or a proximity sensor. The accessory detector can have an accessory-detected state and an no accessory-detected state. The accessory detector can be configured to prevent optical communication through non-contact optical connection in the no accessory-detected state. The accessory detector can be configured to allow optical communication through the high speed data spoke in the accessory-detected state. State change of the accessory detector can trigger or cease optical communication.
- A tactical rail arrangement includes an upper tactical rail and at least one of a right tactical rail and a left tactical rail as described above. The non-contact optical connection of the upper tactical rail is arranged at the muzzle end of the tactical rail and first and second receiver end non-contact optical connections are arranged at the receiver end of the upper tactical rail.
- The high speed data spoke of the upper tactical rail is a rail spoke that optically couples the muzzle end non-contact optical connection with the first receiver end non-contact optical connection. The high speed data spoke of the at least one of right and left tactical rails optically couples the non-contact optical connection of the right or left tactical rail to the second receiver end non-contact optical connection of the upper tactical rail. In certain embodiments the right or left tactical rail high speed data spoke can be a rail spoke. In accordance with certain embodiment the right or left high speed data spoke can be a crossover spoke.
- A firearm assembly includes a firearm having a muzzle and a receiver and a tactical rail as described above. The tactical rails is fixed to the firearm between the muzzle and the receiver of the firearm. The non-contact optical connection is arranged at the receiver end of the tactical rail, the tactical rail having a muzzle end non-contact optical connection arranged at the muzzle end of the rail body. The high speed data spoke connects the muzzle end non-contact optical connection with the receiver end non-contact optical connection. A high speed data accessory is removably fixed on the receiver end of the tactical rail and is in optical communication with the muzzle end non-contact optical connection through the receiver end non-contact optical connection and the high speed data spoke.
- These and other features of the systems and methods of the subject disclosure will become more readily apparent to those skilled in the art from the following detailed description of the preferred embodiments taken in conjunction with the drawings.
- So that those skilled in the art to which the subject disclosure appertains will readily understand how to make and use the devices and methods of the subject disclosure without undue experimentation, embodiments thereof will be described in detail herein below with reference to certain figures, wherein:
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FIG. 1 is a perspective view of an exemplary embodiment of a firearm assembly, showing a tactical rail arrangement and accessories removably fixed to the firearm by the tactical rail arrangement, the accessories requiring power and connectivity for data communications; -
FIG. 2 is a schematic diagram of a power bus routed through the tactical rail arrangement ofFIG. 1 , showing the power bus topology and accessories powered by the power bus; -
FIG. 3 is a schematic diagram of a low speed data bus routed through the tactical rail arrangement ofFIG. 1 , showing the low speed data bus topology and accessories having low speed data connectivity with one another through the low speed data bus; -
FIG. 4 is a schematic view of a portion of a tactical rail of the tactical rail arrangement ofFIG. 1 , showing a rail portion with contact electrical connections for connecting accessories to the power bus for powering and providing low speed data communication to the accessories; -
FIG. 5 is a schematic diagram of a high speed data bus routed through the tactical rail arrangement shown inFIG. 1 , showing the high speed data bus topology and accessories having high speed data connectivity with one another through the high speed data bus; -
FIG. 6 is a schematic view of a portion of a tactical rail of the tactical rail arrangement ofFIG. 1 , showing a rail portion including a hot shoe to provide optical communication and electrical communication to a user interface accessory serving as the hub for the high speed data and the low speed data bus; -
FIG. 7 is a side elevation view of the user interface accessory ofFIG. 1 , showing the user interface removably fixed to an upper tactical rail of the tactical rail arrangement at the hot shoe; -
FIG. 8 is a schematic diagram of a hybrid data bus routed through both a low speed data bus and a high speed data bus within of the tactical rail arrangement, showing the user interface arranged as the hub of the high speed data bus and as a terminal in the low speed data bus; -
FIG. 9 is an exploded view of the firearm assembly ofFIG. 1 , showing the upper tactical rail, the right tactical rail, and the left tactical rail and accessories exploded away from the firearm; -
FIGS. 10 and 11 are schematic and plan views of the upper tactical rail ofFIG. 1 , showing non-contact optical connections arranged at the muzzle and receiver ends of the rail body and contact electrical connections arranged along the rail body of the upper tactical rail; -
FIGS. 12 and 13 are schematic and plan views of the left tactical rail ofFIG. 1 , showing a non-contact optical connection arranged at the muzzle end of the left tactical rail and contact electrical connections arranged along the rail body of the left tactical rail; -
FIGS. 14 and 15 are schematic and plan views of the right tactical rail ofFIG. 1 , showing a non-contact optical connection arranged at the muzzle end of the right tactical rail and contact electrical connections arranged along the rail body of the right tactical rail; -
FIG. 16 is a plan view of another tactical rail arrangement ofFIG. 1 , showing connectivity of the high speed data spokes and power bus across the upper tactical rail, the left tactical rail and the right tactical rail, the right tactical rail having a non-contact optical connection at the receiver end of the right tactical rail; and -
FIG. 17 is a schematic view of the tactical rail arrangement ofFIG. 1 , showing the high speed data spokes and power bus connected to high speed data accessories of a firearm assembly. - Reference will now be made to the drawings wherein like reference numerals identify similar structural features or aspects of the subject disclosure. For purposes of explanation and illustration, and not limitation, a partial view of an exemplary embodiment of a tactical rail arrangement in accordance with the disclosure is shown in
FIG. 1 and is designated generally byreference character 100. Other embodiments of tactical rails, tactical rail arrangements, and firearm assemblies having tactical rails and tactical rail arrangements in accordance with the disclosure, or aspects thereof, are provided inFIGS. 2-17 , as will be described. The systems and methods described herein can be used for providing connectivity for high speed data communication to firearm accessories, such as for imaging or video accessories, though the present disclosure is not limited to accessories requiring connectivity for high speed data communication in general. - Referring to
FIG. 1 , afirearm assembly 10 is shown.Firearm assembly 10 includes afirearm 12.Firearm 12 includes standard components such as a receiver, a grip, a barrel, a handguard 30 (shown inFIG. 9 ), and a butt stock, amuzzle 14 and areceiver 16.Muzzle 14 andreceiver 16 are arranged at opposite ends offirearm 12.Tactical rail arrangement 100 includes at least a first tactical rail and a second tactical rail, e.g., two or more of an uppertactical rail 102, a left-hand (left)tactical rail 104, and a right-hand (right)tactical rail 106, each of which are configured for attachment tofirearm 12. It is contemplated that one or more of the tactical rails be interchangeable with a handguard offirearm 12, e.g.,handguard 32. - One or more high speed data accessories, e.g., accessories 24-30, are removably fixed to
tactical rail arrangement 100. As shown inFIG. 1 ,tactical rail arrangement 100 removably fixes each of anilluminator accessory 24, acamera accessory 26, auser interface accessory 28, and atelescopic sight accessory 30 tofirearm 12 to integrate each withfirearm 12 to formfirearm assembly 10. It is contemplated thatfirearm assembly 10 include fewer than four (4) or more than four (4) accessories, as suitable for an intended application. Incertain embodiments accessory 30 can be a low speed data accessory, such a legacy device requiring a data rate below 200 megabits per second by way of example. - As will be appreciated by those of skill in the art in view of the present disclosure, some firearm accessories require electrical power and/or connectivity for data communications. In this respect connectivity can be necessary for low speed data communication, e.g., data rates of about 200 megabits per second and slower. Connectivity can also be necessary for high speed data communication, e.g., data rates of about one gigabyte per second and higher. To accommodate the requirements for electrical power and connectivity
tactical rail arrangement 100 includes a power bus 50 (shown inFIG. 2 ) to provide electrical power to accessories 24-30, a low speed data bus 52 (shown inFIG. 3 ) with a bus topology 59 (shown inFIG. 3 ) to provide connectivity for low speed data communication to one or more of accessories 24-30, and a high speed data bus 54 (shown inFIG. 5 ) to provide connectivity for high speed data communication to one or more of accessories 24-30. In certain embodimentstactical rail arrangement 100 can include a hybrid data bus 74 (shown inFIG. 8 ) to provide connectivity for both low speed communication and high speed data communication between accessories removably fixed totactical rail arrangement 100. - With reference to
FIG. 2 ,power bus 50 is shown.Power bus 50 is configured to provide electrical communication between apower source 48 and accessories 24-30 removably fixed tofirearm 12 bytactical rail arrangement 100. In thisrespect power bus 50 includes an upperrail bus segment 152, a leftrail bus segment 162, and a rightrail bus segment 172.Power bus 50 also includes an upperrail power lead 153, a leftrail crossover segment 163, and a rightrail crossover segment 173. - Upper
rail bus segment 152 is fixed within upper tactical rail 102 (shown inFIG. 1 ). Leftrail bus segment 162 and rightrail bus segment 172 are fixed within left tactical rail 104 (shown inFIG. 1 ) and right tactical rail 106 (shown inFIG. 1 ), respectively. Leftrail crossover segment 163 connects leftrail bus segment 162 with upperrail bus segment 152. Rightrail crossover segment 173 connects rightrail bus segment 172 with upperrail bus segment 152. Upperrail power lead 153 connects apower source 48 topower bus 50, thereby providingDC power 56 to upperrail bus segment 152, leftrail bus segment 162, and rightrail bus segment 172 through leftrail crossover segment 163 and rightrail crossover segment 173. - Accessories 24-30 are electrically connected to the rail bus segments. In the illustrated
exemplary arrangement accessory 24 is electrically connected to rightrail bus segment 172.Accessory 26,accessory 30, anduser interface accessory 28 are each electrically connected to upperrail bus segment 152.Power source 48 can be a remote power source, e.g., not carried byfirearm assembly 12, such as a battery, and can be arranged within the stock offirearm 12. - With reference to
FIG. 3 , lowspeed data bus 52 is shown. Lowspeed data bus 52 has abus topology 59 and is implemented using the bus segments of power bus 50 (shown inFIG. 2 ). In thisrespect bus topology 59 includes upperrail bus segment 152, leftrail bus segment 162, and rightrail bus segment 172.Bus topology 59 also includes left railbus crossover segment 163 and right railbus crossover segment 173 which, in cooperation with upperrail bus segment 152, leftrail bus segment 162, and rightrail bus segment 172, define lowspeed data bus 52. - Exemplary portions of
rails 102/104/106 havingbus segments 152/162/172 are shown inFIG. 4 ,rail bus segments 152/162/172 includingelectrical conductors 62/64 electrically connecting contactelectrical connections 60 in series with one another to provide power and connectivity for low speed data communication d. Contactelectrical connections 60 can be pogo pad-type electrical connections 61 having positive and negative pads located at a common axial location between the muzzle end and the receiver end of the respective tactical rail. - To provide connectivity for low speed data communication over low speed data bus 52 a power modulation method is employed. In this regard
user interface accessory 28 receivesconstant frequency power 56 frompower source 48, modulatesconstant frequency power 56 to include data, and provides the power as modulatedpower 58 to accessories removably fixed totactical rail arrangement 100 through lowspeed data bus 52. Low speed data bus conveys 52 conveys modulated power to the accessories, thereby broadcasting data for addressed for individual accessories to each accessory removably fixed totactical rail arrangement 100 as low speed data din conjunction with power P. Examples of systems and methods of low speed data communication include Intelligent Rail® data rail systems, available from T-Worx Holdings LLC of Ashburn, Va. - While generally acceptable for their intended purpose, i.e., low speed data with data rates generally less than 200 megabytes per second, higher data rates can require relatively complex electronics for signal processing. To avoid the need for such electronics and provide high data rate communication suitable for imaging and/or video accessories,
tactical rail arrangement 100 includes highspeed data bus 54. - Referring to
FIG. 5 , highspeed data bus 54 is shown. Highspeed data bus 54 includes astar topology 66 to provide connectivity to high speed data accessories removably fixed to tactical rail arrangement 100 (shown inFIG. 1 ). In this respect highspeed data bus 54 includes anupper spoke 140, aleft spoke 158, and a right spoke 168, each of which can include a crossover spoke and/or a rail spoke according to arrangement of the particular tactical rail. Highspeed data bus 54 also includes a right rail non-contactoptical connection 166, a left rail non-contactoptical connection 156, and a hot shoe 151 (shown inFIG. 6 ).Hot shoe 151 in turn has first receiver end non-contactoptical connection 153, a second receiver end non-contactoptical connection 155, and a third receiver end non-contactoptical connection 157. Examples of suitable non-contact optical connections include those described in U.S. Patent Application Publication No. 2017/0122706 A1 to Masarik et al., filed on Nov. 2, 2016, the contents of which are incorporated herein by reference in its entirety. - Upper spoke 140 is fixed to upper tactical rail 102 (shown in
FIG. 1 ) and connects first receiver end non-contactoptical connection 153 with a muzzle end non-contactoptical connection 148. Left spoke 158 is fixed to left tactical rail 104 (shown inFIG. 1 ) and connects second receiver end non-contactoptical connection 155 with left rail non-contactoptical connection 156. Right spoke 168 is fixed to right tactical rail 106 (shown inFIG. 1 ) and connects third receiver end non-contactoptical connection 157 with right rail non-contactoptical connection 166. -
User interface accessory 28 includes anoptical switch 70 and is removably fixed at hot shoe 151 (shown inFIG. 6 ).Hot shoe 151 provides optical communication touser interface accessory 28 through first receiver end non-contactoptical connection 153, second receiver end non-contactoptical connection 155, and third receiver end non-contactoptical connection 157.Optical switch 70, contained withinuser interface accessory 28, routes high speed data D between accessories removably fixed to rail arrangement 100 (shown inFIG. 1 ) and in optical communication with one another through non-contact optical connections arranged onhot shoe 151, the muzzle end of upper tactical rail 102 (shown inFIG. 1 ), and arranged on the receiver end or muzzle end of left tactical rail 104 (shown inFIG. 1 ) and/or right tactical rail 106 (shown inFIG. 1 ). - With reference to
FIGS. 6 and 7 , connectivity betweenuser interface accessory 28 andhot shoe 151 is shown.Hot shoe 151 is arranged on uppertactical rail 102 at receiver end 116 (shown inFIG. 1 ) and includes a first receiver end non-contactoptical connection 153, a second receiver end non-contactoptical connection 155, a third receiver end non-contactoptical connection 157, and a contactelectrical connection 159.User interface 28 is removably fixed to uppertactical rail 102 athot shoe 151 and includes a three corresponding non-contact optical interfaces. In this respect a first non-contactoptical interface 161 ofuser interface accessory 28 corresponds to first receiver end non-contactoptical connection 153, a second non-contactoptical interface 165 ofuser interface accessory 28 corresponds to a second receiver end non-contactoptical connection 155, and a third non-contactoptical interface 167 of user interfacedaccessory 28 corresponds to third receiver end non-contactoptical connection 157 to provide optical communication betweenuser interface accessory 28 and accessories removably fixed to non-contact optical connections arranged ontactical rail arrangement 100 viaoptical switch 70. - As also shown in
FIG. 6 ,user interface accessory 28 also includes an electrical interface for electrical communication with contactelectrical connection 159, which provides electrical power touser interface accessory 28. In certain embodiments the electrical interface provides connectivity for data communication between lowspeed data bus 52 and highspeed data bus 54,user interface accessory 28 serving a gateway terminal between lowspeed data bus 52 and highspeed data bus 54 in a hybrid bus topology 74 (shown inFIG. 8 ). - With reference to
FIG. 8 ,hybrid bus topology 74 is shown.Hybrid bus topology 74 includes lowspeed data bus 52 and highspeed data bus 54 connected to one another throughuser interface accessory 28. Lowspeed data bus 52 is connected to highspeed data bus 54 athot shoe 151,user interface 28 connecting to lowspeed data bus 52 through contact electrical connection 159 (shown inFIG. 6 ) and to highspeed data bus 54 through one or more of non-contactoptical connections 153/155/157 (shown inFIG. 6 ). Connection to both lowspeed data bus 52 and highspeed data bus 54 allowsuser interface accessory 28, through operation ofoptical switch 70 as circuitry, to both switch high speed data D between spokes of highspeed data bus 54 as well as operate a gateway to lowspeed data bus 52 to receive and pass low speed data therethrough. - Advantageously, all switching occurs outside of
tactical rail arrangement 100 and withinuser interface accessory 28. In certain embodimentstactical rail arrangement 100 can include no electronics within the tactical rails themselves, reducing (or eliminating entirely) the need to remove tactical rails fromfirearm 12 to troubleshoot problems with either lowspeed data bus 52 and/or highspeed data bus 54. This allows a user to troubleshoot connectivity among the accessories by switching out accessories removably fixed totactical arrangement 100, e.g., by replacinguser interface accessory 28. - With reference to
FIG. 9 ,firearm assembly 10 is shown with the tactical rails oftactical rail arrangement 100 exploded away fromfirearm 12. Uppertactical rail 102 has arail body 108 configured to seat on anupper side 18 offirearm 12. Lefttactical rail 104 has arail body 110 configured to seat on aleft side 20 offirearm 12. Righttactical rail 106 has arail body 112 configured to seat on aright side 22 offirearm 12. One or more ofrail body 108,rail body 110, and/orrail body 112 is interchangeable with ahandguard 32 offirearm 12. As shown inFIG. 9 rail body 108 is configured for fixation tofirearm 12 as an upper tactical rail,rail body 110 is configured for fixation to firearm 12 a left tactical rail,rail body 112 is configured for fixation tofirearm 12 as a right tactical rail, and each of accessories 24-30 are configured for removable fixation to any one of uppertactical rail 102, righttactical rail 104, and lefttactical rail 106. -
Rail body 108 extends between amuzzle end 114 and areceiver end 116. Betweenmuzzle end 114 and receiver end 116rail body 108 defines a plurality ofribs 118 andslots 120.Ribs 118 andslots 120 are axially spaced apart from one another alongrail body 108 betweenmuzzle end 114 andreceiver end 116. -
Ribs 118 and slot 120 are configured and adapted to removably fix accessories tofirearm 12. For example,rail body 108 can include a bracket used on some firearms to provide a standardized accessory mounting platform for removably fixing accessories to railbody 108. Alternatively,rail body 108 has a series of ridges with a T-shaped cross-section interspersed with flat “locking slots” (also termed “recoil groove”). Accessories can be removably fixed either by sliding the accessory from one end ofrail body 108 toward the opposite end ofrail body 108, establishing electrical contact between the accessory and a contact electrical connection arranged alongrail body 108, and fixing the accessory to railbody 108 by manipulating a “rail-grabber” which is clamped to railbody 108 with bolts, thumbscrews, or levers, or onto the slots betweenribs 118. - In certain
embodiments rail body 108 conforms to a Weaver rail system standard. In accordance with certainembodiments rail body 108 conforms to a Warsaw Pact rail system standard. In furtherembodiments rail body 108 conforms to a KeyMod rail system standard or an M-LOK rail system standard. It is also contemplated thatrail body 108 conforms to a NATO STANAG 4694 rail system standard, or a MIL-STD-1913 rail system standard. In thisrespect rail body 108 can conform to MIL-STD-1913 (NOTICE 2), MILITARY STANDARD: DIMENSIONING OF ACCESSORY MOUNTING RAIL FOR SMALL ARMS WEAPONS (3 Oct. 2013) and/or MIL-STD-1013, dated 20 Apr. 2004, each of which are incorporated herein by reference in their entirety. -
Rail body 110 of lefttactical rail 104 is similar torail body 108 of uppertactical rail 102 with the differences that railbody 110 includes single non-contactoptical connection 156. In thisrespect rail body 110 extends longitudinally between amuzzle end 122 and areceiver end 124 and is configured and adapted to be fixed toleft side 20 offirearm 12. Betweenmuzzle end 122 and receiver end 124rail body 110 defines a plurality ofribs 126 andslots 128 that are axially spaced apart from one another alongrail body 110 between amuzzle end 122 andreceiver end 124. - As with
ribs 118 andslots 120,ribs 126 andslots 128 are configured and adapted to removably fix accessories to railbody 108, e.g., to a Weaver rail system standard, a Warsaw Pact rail system standard, a KeyMod rail system standard, an M-LOK rail system standard, a MIL-STD-1913 rail system standard, or a NATO STANAG 4694 rail system standard.Rail body 112 of righttactical rail 106 is similar torail body 110 ofright rail body 112 with the difference thatrail body 112 extends between amuzzle end 130 and areceiver end 132 and is configured and adapted to be fixed toright side 22 offirearm 12. - With reference to
FIGS. 10 and 11 , uppertactical rail 102 is shown. Referring toFIG. 10 , uppertactical rail 102 includesrail body 108 withreceiver end 116 andopposed muzzle end 114. Non-contactoptical connection 148 is arranged atmuzzle end 114 to optically couple with a corresponding non-contact optical interface, e.g., a non-contactoptical interface 32, ofaccessory 26. First receiver end non-contactoptical connection 153, second receiver end non-contactoptical connection 155, and third receiver end non-contactoptical connection 157 are each arranged atreceiver end 116 ofrail body 108 to optically couple with corresponding non-contactoptical interfaces 29 ofuser interface accessory 28, thereby providing high speed data communication D (shown inFIG. 10 ) with accessories removably fixed totactical rail arrangement 100. High speed data spoke 140 connects first receiver end non-contactoptical connection 153 with non-contactoptical connection 148 for passing high speed data D (shown inFIG. 10 ) betweenaccessory 26 anduser interface 28, and is a rail spoke fixed within uppertactical rail 102. - It is contemplated that rail spoke 140 of upper
tactical rail 102 be an optical waveguide. In certain embodiments rail spoke 140 can include a fiber optic or fiber optic bundle, a glass light pipe, or a plastic light pipe by way on non-limiting example. As shown inFIG. 11 , rail spoke 140 can include a plurality of optical waveguide to allowuser interface accessory 28 andaccessory 26 to send and receive high speed data D between one another at the same time. It is also contemplated that uppertactical rail 102 can include optical-electrical signal converter connected to non-contactoptical connection 148 and first receiver end non-contactoptical connection 153, rail spoke 140 being a conductor electrically connecting the optical-electrical converters. - Upper
tactical rail 102 also includes a muzzle end contactelectrical connection 138, a receiver end contactelectrical connection 159, and upperrail bus segment 152. Muzzle end contactelectrical connection 138 is co-located with muzzle end non-contactelectrical connection 148 to provide electrical power P and/or low speed datacommunication d accessory 26 when removably fixed to muzzleend 114 of uppertactical rail 102. Receiver end contactelectrical connection 159 is arranged withinhot shoe 151 atreceiver end 116 of uppertactical rail 102 to provide electrical power P and/or low speed data communication d touser interface accessory 28. Upperrail bus segment 152 electrically connects muzzle endelectrical connection 138 with receiver end contactelectrical connection 159 for communicating electrical power P frompower source 48 touser interface accessory 28 andaccessory 26 and/or low speed data d betweenuser interface accessory 28 andaccessory 26 when removably fixed to muzzleend 114 of uppertactical rail 102. - In certain embodiments upper
rail bus segment 152 also communicates low speed data d betweenuser interface 28 andaccessory 26 through muzzle endelectrical connection 138 and receiver end contactelectrical connection 159. As shown inFIG. 11 , uppertactical rail 102 can have a plurality of contactelectrical connection 60. The plurality of contactelectrical connection 60 are arranged axially alongrail body 108 betweenmuzzle end 114 andreceiver end 116. It is contemplated that contactelectrical connection 60 can include pogo pad-type contact electrical connections 61, each pogo pad pair include a positive contact and a negative contact accessible to an accessory removably fixed torail body 108 betweenmuzzle end 114 andreceiver end 116. This provides connectivity for low speed data connectivity for legacy devices, e.g., accessory 30 (shown inFIG. 1 ), that otherwise may be unable to communicate via high speed data bus 54 (shown inFIG. 5 ) - Referring again to
FIG. 10 , uppertactical rail 102 can include anaccessory detector 190.Accessory detector 190 is co-located with non-contactoptical connection 148 and muzzle end contactelectrical connection 138 onmuzzle end 114 of uppertactical rail 102.Accessory detector 190 is configured to detect whether an accessory is removably fixed to uppertactical rail 102 atmuzzle end 114. In thisrespect accessory detector 190 has an accessory-detected state and a no accessory-detected state. - In the accessory-detected
state accessory detector 190 allows optical communication between first receiver end non-contactoptical connection 153 and muzzle end non-contactoptical connection 148. This allowsuser interface accessory 28 andaccessory 26 to pass high speed data D between one another. In the no accessory-detectedstate accessory detector 190 preventsuser interface accessory 28 from optically communicating with muzzle end non-contactoptical connection 148, reducing (or eliminating entirely) the risk that light emitted therethrough could pose to a user. Communication betweenaccessory detector 190 and user interface can be, for example, via upperrail bus segment 152.Accessory detector 190 can be implemented with, for example, with a hall-effect sensor, a pressure sensor, or a proximity sensor by way of non-limiting example. In certain embodiments change of statecause accessory detector 190 to initiate (or cease) optical communication betweenuser interface accessory 28 and non-contactoptical connection 148. - With reference to
FIGS. 12 and 13 , lefttactical rail 104 is shown. Lefttactical rail 104 is similar to upper tactical rail 102 (shown inFIG. 1 ) with the differences that lefttactical rail 104 has arail body 110 arranged to attach to left side 22 (shown inFIG. 9 ) of weapon 12 (shown inFIG. 1 ), has a single non-contactoptical connection 156, includes a lowspeed crossover segment 163, and a high speed crossover spoke 159.Rail body 110 extends betweenmuzzle end 122 andreceiver end 124. Non-contactoptical connection 156 is arranged atmuzzle end 130 and is configured to interface with a corresponding non-contact optical interface. Lowspeed crossover segment 163 is electrically connectedbus segment 152 and contact electrical connection 159 (shown inFIG. 11 ). High speed crossover spoke 159 is optically coupled to bus spoke 158 and is configured to connect with a non-contact optical connection of another tactical rail, e.g., to second receiver end non-contact optical connection 155 (shown inFIG. 11 ). - Non-contact
optical connection 156 is similar to muzzle end non-contact optical connection 148 (shown inFIG. 10 ) and is additionally connected to left rail spoke 158. Left rail spoke 158 is configured for connecting to second receiver end non-contact optical connection 155 (shown inFIG. 10 ). As will be appreciated by those of skill in the art in view of the present disclosure, left rail spoke 158 and left tactical rail non-contactoptical connection 156 allow for communication of high speed data D between user interface accessory 28 (shown inFIG. 10 ) and an accessory removably fixed atmuzzle end 130 of lefttactical rail 104. As shown inFIG. 13 , left rail spoke 158 can include two optical waveguides, allowinguser interface accessory 28 and another accessory to send and receive high speed data between one another at the same time through left rail spoke 158. - A contact
electrical connection 160 is co-located with non-contactoptical connection 156 atmuzzle end 130. Leftrail bus segment 162 is electrically connected to contactelectrical connection 160 and is configured for electrical connection with power source 48 (shown inFIG. 10 ) through upper tactical rail 102 (shown inFIG. 10 ). In certain embodiments leftrail bus segment 162 also communicates low speed data d betweenuser interface 28 and an accessory removably fixed atmuzzle end 130 through receiver end contactelectrical connection 159 and contactelectrical connection 160. As shown inFIG. 13 , lefttactical rail 104 can have similarly have a plurality of contactelectrical connections 60 arranged axially alongrail body 112 betweenmuzzle end 130 andreceiver end 132. In certain embodiments contactelectrical connections 60 include pogo pad-type contact electrical connections 61 comprising positive and negative contacts at a shared axial location, for example. - In certain embodiments left
tactical rail 104 can have anaccessory detector 192.Accessory detector 192 is co-located with non-contactoptical connection 156 and muzzle end contactelectrical connection 160 onmuzzle end 130 of lefttactical rail 104 and is configured for detecting whether an accessory is removably fixed atmuzzle end 130 of lefttactical rail 104.Accessory detector 192 can be arranged to communicate electrically, using low speed data communication d, with user interface accessory 28 (shown inFIG. 10 ) through leftrail bus segment 162. - It is contemplated that
accessory detector 192 have an accessory-detected state and a no accessory-detected state. In the no accessory-detectedstate accessory detector 192 prevents optical communication between second receiver end non-contactoptical connection 155 and non-contactoptical connection 156 to prevent light conveyed through left rail spoke 158 from injuring a user. In the accessory-detectedstate accessory detector 192 allows optical communication between second receiver end non-contactoptical connection 155 and non-contactoptical connection 156. In the no accessory-detectedstate accessory detector 192 prevents optical communication through non-contactoptical connection 156.Accessory detector 192 can be implemented with, for example, a hall-effect sensor, a pressure sensor, or a proximity sensor by way of non-limiting example, the sensor triggering communication or ceasing communication upon changing between accessory-detected and no accessory-detected state. - With reference to
FIGS. 14 and 15 , righttactical rail 106 is shown. Righttactical rail 106 is also similar to upper tactical rail 102 (shown inFIG. 1 ) and additionally has arail body 112 arranged to attach to weapon right side 22 (shown inFIG. 9 ) and a single non-contactoptical connection 166.Rail body 112 extends between amuzzle end 130 andreceiver end 132. Non-contactoptical connection 166 is arranged atmuzzle end 130 and is configured to interface with a corresponding non-contact optical interface, e.g.,optical interface 44 ofaccessory 24. - Non-contact
optical connection 166 is optically coupled to right rail spoke 168. Right rail spoke 168 in tum is configured for connecting to third receiver end non-contact optical connection 157 (shown inFIG. 10 ) via a crossover spoke. As will be appreciated by those of skill in the art in view of the present disclosure, connection of third receiver end non-contactoptical connection 157 with non-contactoptical connection 166 allows for communication of high speed data D between user interface accessory 28 (shown inFIG. 10 ) andaccessory 24 when removably fixed atmuzzle end 130 of righttactical rail 106. - A contact
electrical connection 176 is co-located with non-contactoptical connection 166 atmuzzle end 130. Rightrail bus segment 172 is electrically connected to contactelectrical connection 176 and is configured for electrical connection with power source 48 (shown inFIG. 10 ) through upper tactical rail 102 (shown inFIG. 10 ) via a bus crossover segment. In certain embodiments rightrail bus segment 172 is also configured to communicate low speed data d betweenuser interface accessory 28 andaccessory 24 through receiver end contactelectrical connection 159. - Right
tactical rail 106 can have anaccessory detector 194.Accessory detector 194 is co-located with non-contactoptical connection 166 and muzzle end contactelectrical connection 176 onmuzzle end 130 of lefttactical rail 104 and is configured for detecting whether an accessory is removably fixed atmuzzle end 130 of lefttactical rail 104.Accessory detector 194 can be arranged to communicate electrically, using low speed data communication d, with user interface accessory 28 (shown inFIG. 10 ) through rightrail bus segment 172, whether an accessory is removably fixed to muzzleend 130 using an accessory-detected state and a no accessory-detected state as described above. - With reference to
FIGS. 16 and 17 ,tactical rail arrangement 100 is shown according to an exemplary embodiment.Tactical rail arrangement 100 includes uppertactical rail 102 and either (or both) of lefttactical rail 104 and righttactical rail 106. Uppertactical rail 102, lefttactical rail 104, and righttactical rail 106 each have non-contactoptical connections 60 and contactelectrical connections 148/153/155/156/157/166 as described above. The contactelectrical connections 60 are electrically connected to one another to definelow speed bus 52 and the non-contact optical connections are optically coupled to one another to definehigh speed bus 54.High speed bus 54 is disposed in communication withlow speed bus 52 to throughuser interface accessory 28, which serves a gateway terminal oflow speed bus 52 and a hub ofhigh speed bus 54 to definehybrid bus 74. - Non-contact
optical connection 148 of uppertactical rail 102 is arranged atmuzzle end 114 of uppertactical rail 102. First receiver end non-contactoptical connection 153, second receiver end non-contactoptical connection 155, and third receiver end non-contactoptical connection 157 are arranged atreceiver end 124 of uppertactical rail 102. High speed data spoke 140 of uppertactical rail 102, which is a rail spoke extending betweenmuzzle end 114 and receiver end 124 of uppertactical rail 102, optically couples muzzle end non-contactoptical connection 148 with first receiver end non-contactoptical connection 155. - Non-contact
optical connection 156 of lefttactical rail 104 is arranged atmuzzle end 122 or lefttactical rail 102. High speed data spoke 158 includes a rail spoke 180 and a crossover spoke 182, optically coupled to one another, which both optically couple non-contactoptical connection 156 to second receiver end non-contactoptical connection 155. In the illustrated exemplary embodiment non-contactoptical connection 166 of righttactical rail 106 is arranged atreceiver end 132 of righttactical rail 106, and is optically coupled to third receiver end non-contactoptical connection 157 of uppertactical rail 102 through high speed data spoke 168, which as illustrated inFIG. 16 is optically coupled through a crossover spoke 168. As will be appreciated by those of skill in the art in view of the disclosure, the illustrated exemplary arrangement allows positioning accessories,e.g. accessory 24, at the receiver end offirearm 12 to manage the center of gravity offirearm assembly 10. - The methods and systems of the present disclosure, as described above and shown in the drawings, provide for tactical rails, tactical rail arrangements, and firearm assemblies having tactical rail arrangements with superior properties including the capability to provide bandwidth suitable for high speed data communications to accommodate future data and video bandwidth requirements. For example, gigabit per second data communication can be provided with an optical high speed data spoke, and in certain embodiments, the optical high speed data spoke supplemented by a low speed wired data bus with 100-200 megabit per second low speed electrical data communications capability. The methods and systems of the present disclosure can also, in certain embodiments, provide bandwidth suitable for high speed data communication without permanently mounting electronics, e.g., PCB structures and/or integrated circuits, within the tactical rails or elsewhere on the firearm assembly. While the apparatus and methods of the subject disclosure have been shown and described with reference to preferred embodiments, those skilled in the art will readily appreciate that changes and/or modifications may be made thereto without departing from the scope of the subject disclosure.
Claims (20)
1. (canceled)
2. A tactical rail for a firearm, comprising:
a rail body having a receiver end and a muzzle end;
a non-contact optical connection configured to interface with a non-contact optical interface;
a high speed data spoke coupled to the non-contact optical connection, the high speed data spoke configured for high speed data communication with a high speed data accessory via the non-contact optical connection and the non-contact optical interface; and
an optical switch configured to direct optical signal to the high speed data spoke.
3. The tactical rail as recited in claim 2 , wherein the non-contact optical connection is disposed nearer the receiver end than the muzzle end of the rail body.
4. The tactical rail as recited in claim 2 , wherein the high speed data spoke comprises a crossover spoke configured to couple to a non-contact optical connection of a second tactical rail.
5. The tactical rail as recited in claim 2 , wherein the non-contact optical connection is disposed nearer the muzzle end than the receiver end of the rail body.
6. The tactical rail as recited in claim 2 , further comprising a crossover data spoke configured to be coupled to a second non-contact optical connection of the tactical rail, the crossover data spoke configured to couple to a non-contact optical connection of another tactical rail.
7. The tactical rail as recited in claim 2 , further comprising a power bus rail segment disposed between the receiver end and the muzzle end of the rail body.
8. The tactical rail as recited in claim 7 , wherein the power bus comprises a contact electrical connection co-located with the non-contact optical connection.
9. The tactical rail as recited in claim 7 , wherein the power bus includes a rail segment disposed between the muzzle end of the rail body and the receiver end of the rail body.
10. The tactical rail as recited in claim 7 , wherein the power bus includes a crossover bus segment configured to electrically couple the power bus rail segment to another tactical rail.
11. The tactical rail as recited in claim 2 , further comprising the high speed data accessory coupled to the tactical rail and in optical communication with the non-contact optical connection.
12. The tactical rail as recited in claim 11 , wherein the high speed data accessory is removably coupled to the tactical rail.
13. The tactical rail as recited in claim 12 , wherein the second high speed data accessory is optically coupled to another tactical rail through the non-contact optical connection.
14. The tactical rail as recited in claim 2 , wherein the high speed data spoke includes an optical waveguide.
15. The tactical rail as recited in claim 2 , further comprising an accessory detector co-located with the non-contact optical connection.
16. The tactical rail as recited in claim 15 , wherein the accessory detector includes at least one of a hall-effect sensor, a pressure sensor, or a proximity sensor.
17. The tactical rail as recited in claim 15 , wherein the accessory detector, when in a no-accessory-detected state, is configured to prevent optical communication through non-contact optical connection, and wherein the accessory detector, when in an accessory-detected state, is configured to trigger optical communication in the accessory-detected state.
18. The tactical rail as recited in claim 2 , wherein the rail body is configured to be coupled to a firearm as at least one of an upper tactical rail, a right-hand tactical rail, or a left-hand tactical rail.
19. The tactical rail as recited in claim 2 , wherein the rail body comprises a plurality of ribs axially spaced along the rail body between the receiver end of the tactical rail and the muzzle end of the rail body.
20. The tactical rail as recited in claim 2 , further comprising an optical-electrical signal converter coupled to the non-contact optical connection, wherein the high speed data spoke is in electrical communication with the optical-electrical signal converter.
Priority Applications (1)
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US16/934,678 US20210140742A1 (en) | 2018-05-17 | 2020-07-21 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
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US15/983,048 US10753709B2 (en) | 2018-05-17 | 2018-05-17 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
US16/934,678 US20210140742A1 (en) | 2018-05-17 | 2020-07-21 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
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US15/983,048 Continuation US10753709B2 (en) | 2018-05-17 | 2018-05-17 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
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US16/934,678 Abandoned US20210140742A1 (en) | 2018-05-17 | 2020-07-21 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
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US15/983,048 Active US10753709B2 (en) | 2018-05-17 | 2018-05-17 | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
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2020
- 2020-07-21 US US16/934,678 patent/US20210140742A1/en not_active Abandoned
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US20210222995A1 (en) * | 2017-05-15 | 2021-07-22 | T-Worx Holdings, LLC | Power system for a firearm |
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US11885593B2 (en) * | 2019-12-11 | 2024-01-30 | Fn Herstal S.A. | Mounting rail for firearm |
US20220341697A1 (en) * | 2021-04-21 | 2022-10-27 | T-Worx Holdings, LLC | Electrical power source for a firearm |
US11716807B2 (en) * | 2021-12-09 | 2023-08-01 | Fieldpiece Instruments, Inc. | Power and communication handguard |
WO2023235684A3 (en) * | 2022-05-29 | 2024-02-29 | T-Worx Holdings, LLC | Electrical distribution system for a firearm including serial bus communication |
Also Published As
Publication number | Publication date |
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US10753709B2 (en) | 2020-08-25 |
WO2019222422A1 (en) | 2019-11-21 |
US20190353462A1 (en) | 2019-11-21 |
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