09 - Scientific and electric apparatus and instruments
Goods & Services
Earpiece retention device, namely, a ring that fits into the concha bowl of the ear for the purpose of holding an earbud or other ear-related device in place
2.
ADJUSTABLE GAS REGULATOR VALVE FOR DIRECT GAS OPERATED FIREARMS
An apparatus and methods are provided for a gas regulator valve for adjusting cycle speeds of direct gas impingement operated firearms. The gas regulator valve comprises a gas inlet for receiving expanding gases from a fired cartridge and a gas tube for directing the expanding gases to a bolt carrier comprising a firearm. The gas inlet is disposed at the front of an upper receiver comprising the firearm. The gas tube directs the expanding gases into a carrier key of the bolt carrier. The gas regulator valve includes a plug for controlling gas flow through the gas tube. An actuator disposed on a side of the upper receiver enables operating the plug. The actuator enables a practitioner to adjust the flow of expanding gases without moving the firearm out of a shooting position. The actuator includes a key that may be turned by a rim of an ammunition cartridge.
An apparatus and methods are provided for a front plate having a diverging central bore for firearm sound suppressors that improves noise and flash characteristics during firing a weapon. The central bore is disposed between a back surface and a front surface of the front plate. An untapered portion of the central bore extends from the back surface to a diverging portion that opens toward the front surface. The diverging portion includes a curvature profile configured to allow for more controlled expansion of high-pressure propellant gases exiting of the suppressor through the central bore. The curvature profile provides an included angle of the central bore that decreases secondary flash events accompanying the expulsion of propellant gases accompanying a fired bullet exiting the suppressor through the central bore. The curvature profile exhibits a cross-sectional area of the central bore that is proportional to a distance along the diverging portion.
Systems and methods for providing a virtual window may include a projector, which projects an image upon a projection surface. The projection surface can be arranged at a distance of separation from a user. The system can further comprise a plurality of sensors forming a field of detection with respect to an area of space encompassing the distance of separation between the projection surface and the user. The plurality of sensors can capture position data for the user representing a current position of the user within the field of detection. The system can also include at least one processor rendering a computer simulated environment as the projected image, wherein the at least one processor processes the captured position data such for the user such that the computer simulated environment is generated in a perspective relative to the current position of the user within the field of detection.
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
Systems and methods for providing a virtual window may include a projector, which projects an image upon a projection surface. The projection surface can be arranged at a distance of separation from a user. The system can further comprise a plurality of sensors forming a field of detection with respect to an area of space encompassing the distance of separation between the projection surface and the user. The plurality of sensors can capture position data for the user representing a current position of the user within the field of detection. The system can also include at least one processor rendering a computer simulated environment as the projected image, wherein the at least one processor processes the captured position data such for the user such that the computer simulated environment is generated in a perspective relative to the current position of the user within the field of detection.
An apparatus and methods are provided for a front plate having a diverging central bore for firearm sound suppressors that improves noise and flash characteristics during firing a weapon. The central bore is disposed between a back surface and a front surface of the front plate. An untapered portion of the central bore extends from the back surface to a diverging portion that opens toward the front surface. The diverging portion includes a curvature profile configured to allow for more controlled expansion of high-pressure propellant gases exiting of the suppressor through the central bore. The curvature profile provides an included angle of the central bore that decreases secondary flash events accompanying the expulsion of propellant gases accompanying a fired bullet exiting the suppressor through the central bore. The curvature profile exhibits a cross-sectional area of the central bore that is proportional to a distance along the diverging portion.
An apparatus and methods are provided for a suppressor to be coupled with a muzzle end of a barrel of a firearm to reduce muzzle blast and muzzle flash. The suppressor comprises a housing having a proximal end and a distal end. A front portion within the housing comprises a series of cylindrical gas expansion chambers for attenuating the temperature and energy of propellant gases accompanying a projectile fired from the firearm. An annular gas expansion chamber surrounds the cylindrical gas expansion chambers and directs a portion of the propellant gases from a rear portion of the suppressor to peripheral vents disposed at the distal end. Lateral chambers within the rear portion deflect and rebound a portion of the propellant gases before passing them into the annular gas expansion chamber. Ledges within the annular gas expansion chamber direct the propellant gases distally through suppressor toward the peripheral vents.
An apparatus and methods are provided for a suppressor to be coupled with a muzzle end of a barrel of a firearm to reduce muzzle blast and muzzle flash. The suppressor comprises a housing having a proximal end and a distal end. A front portion within the housing comprises a series of cylindrical gas expansion chambers for attenuating the temperature and energy of propellant gases accompanying a projectile fired from the firearm. An annular gas expansion chamber surrounds the cylindrical gas expansion chambers and directs a portion of the propellant gases from a rear portion of the suppressor to peripheral vents disposed at the distal end. Lateral chambers within the rear portion deflect and rebound a portion of the propellant gases before passing them into the annular gas expansion chamber. Ledges within the annular gas expansion chamber direct the propellant gases distally through suppressor toward the peripheral vents.
As disclosed herein, the technology relates to firearms including a modular trigger mechanism designed with the capability to provide a practice pistol that accurately and realistically mimics various models of center fire pistols and firearms. In one embodiment, a trigger mechanism comprising a static sear, trigger, and sear bar. In another embodiment, the trigger mechanism provides the user of a practice pistol the realistic sense of a center fire pistol trigger in that its positional geometry, weight of pull, weight at break, and trigger position at disconnect reset point, will perform within a realistic range.
A lighting device power control circuit configured to charge one or more capacitors through the pulsing of an inductor is provided. In one example, a lighting device includes a light source and a power control circuit. The power control circuit comprises an inductor, a power transistor configured to pass an operating current associated with the light source, and one or more capacitors configured to keep the power transistor turned on to pass the operating current. The one or more capacitors are configured to be periodically charged in response to a voltage spike generated across the inductor. Related methods and additional embodiments are also provided.
H05B 45/38 - Switched mode power supply [SMPS] using boost topology
F21L 4/00 - Electric lighting devices with self-contained electric batteries or cells
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21L 4/08 - Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
F21V 25/04 - Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
F21V 23/02 - Arrangement of electric circuit elements in or on lighting devices the elements being transformers or impedances
A firearm suppressor with a recoil booster may be provided. In one example, the suppressor may include a housing, a back end member coupled to the housing, and a recoil booster coupled to the back end member. The recoil booster may be configured to couple to a firearm. The recoil booster may include a coil spring, a rear cap coupled to the back end member, and a piston configured to slide relative to the rear cap. The rear cap may include a main body at least partially disposed within the back end member and including a first bearing surface to receive a first end of the spring and a flange extending forward from the main body and maintained within an inner circumference of the spring. The piston may include a second bearing surface configured to receive a second end of the spring. Additional embodiments and related methods are provided.
A rail mountable device may be provided that is configured to be secured firmly to a rail. In one example, the rail mountable device may include a rail clamp that includes a screw, a screw receptacle, a first ramp member coupled to the screw, and a second ramp member coupled to the screw receptacle and configured to move relative to the screw receptacle. Additionally, the rail mountable device may include a removeable battery pack with a battery indicator. Furthermore, the rail mountable device may include a plurality of switches disposed on either side of the rail mountable device. The switches may be coupled to a bracket and a mode of the rail mountable device may be operated through manipulation of the switches. Additional embodiments and related methods are provided.
A rail mountable device may be provided that is configured to be secured firmly to a rail. In one example, the rail mountable device may include a rail clamp that includes a screw, a screw receptacle, a first ramp member coupled to the screw, and a second ramp member coupled to the screw receptacle and configured to move relative to the screw receptacle. Additionally, the rail mountable device may include a removeable battery pack with a battery indicator. Furthermore, the rail mountable device may include a plurality of switches disposed on either side of the rail mountable device. The switches may be coupled to a bracket and a mode of the rail mountable device may be operated through manipulation of the switches. Additional embodiments and related methods are provided.
The present disclosure relates to a holster, comprising a control component, wherein the holster is adapted to allow a user the option of drawing a weapon and an accessory attached to the weapon. Further disclosed herein is a holster, comprising a control component adapted to receive a handgun assembly comprising a handgun and a light accessory attached to the handgun, and further comprising one or more actuators, wherein the one or more actuators are capable of moving between a neutral position and an engaged position, as the handgun assembly is inserted into the holster, retained in the holster, or drawn from the holster. Also disclosed herein are methods of using the holster.
The present disclosure relates to a holster, comprising a control component, wherein the holster is adapted to allow a user the option of drawing a weapon and an accessory attached to the weapon. Further disclosed herein is a holster, comprising a control component adapted to receive a handgun assembly comprising a handgun and a light accessory attached to the handgun, and further comprising one or more actuators, wherein the one or more actuators are capable of moving between a neutral position and an engaged position, as the handgun assembly is inserted into the holster, retained in the holster, or drawn from the holster. Also disclosed herein are methods of using the holster.
A handheld lighting device is provided with a detachable knife assembly. In one example, the handheld lighting device may include a light source that generates a light beam to illuminate a scene, such as a work area. The knife assembly may be coupled to the lighting device using an attachment mechanism. The lighting device may include a slot that may receive a sleeve of the knife assembly such that the knife assembly may be secured to the lighting device. The lighting device may illuminate the work area such that a user may readily see the area that a knife of the knife assembly may cut. The light source of the lighting device may be activated using a multi-access user control that may be L-shaped and actuated from one or more locations on the user control. Additional features and related methods are also provided.
Various techniques are provided to implement and use an earpiece having an attachment mount. In one example, an earpiece includes an arcuate rib having a lobe disposed on an upper end thereof and configured to engage with a crus of a helix and an antihelix of a user's ear. The earpiece also includes a mount extending from the arcuate rib and comprising a snap clip configured to engage and position an audio device in contact with the user's ear. Other implementations and related methods are also provided.
An earpiece that substantially lacks a lower lobe is disclosed. In one example, the earpiece can have a generally arcuate rib having upper and lower ends. A lobe can be formed at the upper end of the arcuate rib. No lobe is formed at the lower end of the arcuate rib. An extension can extend from the earpiece and can be configured to extend into the ear canal. Eliminating the lower lobe mitigates discomfort during use and also reduces the likelihood of tissue damage and infection. The extension can enhance communication of desired sound, e.g., from a two-way radio, to an eardrum while mitigating communication of undesirable ambient noise to the eardrum. Other implementations and related methods are also disclosed.
Various embodiments are provided to implement an attachment for a firearm that operates as a flash hider, a muzzle brake, and/or to mount, e.g., a sound suppressor, to the firearm. In one example, a firearm attachment includes a base adapted to couple to a muzzle end of a barrel of a firearm. The firearm attachment includes a plurality of longitudinal tines that extend forward from the base. The base includes a plurality of apertures disposed rearward of the tines and that extend from a bore within the base through an outer circumfery of the firearm attachment. The apertures exhibit a first diameter at the bore and a second larger diameter at the outer circumfery. The apertures are adapted to impart thrust to the firearm attachment in response to combustion gases passed from the bore through the apertures to compensate for muzzle rise associated with the firearm.
Various techniques are provided to assemble, manufacture, and operate firearm sound suppressors. In one example, a sound suppressor for a firearm includes a baffle; a spacer abutted to the baffle; and a circumferential laser weld joining the baffle and the spacer. In another example, a sound suppressor for a firearm includes a plurality of baffles; a plurality of spacers; a substantially tubular housing surrounding the baffles and the spacers; wherein the housing and the spacers define an annular volume surrounding the spacers; an aperture in a circumfery of at least one of the spacers; and wherein the aperture is adapted to direct combustion gases in a radial direction from within the spacer into the annular volume to reduce ejection port flash of the firearm. Additional suppressor embodiments and related methods are also provided.
A rail mountable device may be provided that is configured to be secured firmly to a rail, such as a rail on a firearm, and released easily from the rail. In one example, the rail mountable device may include a rail clamp that includes first and second rail-engaging surfaces of corresponding first and second ramp members and a cross member that, in response to rotation of a screw, move toward or away from the longitudinal faces of the rail of the firearm to secure or release the rail mountable device to or from the rail. Additional embodiments and related methods are provided.
Various embodiments are provided to implement an attachment for a firearm that operates as a flash hider, a muzzle brake, and/or to mount, e.g., a sound suppressor, to the firearm. In one example, a firearm attachment includes a base adapted to couple to a muzzle end of a barrel of a firearm. The firearm attachment includes a plurality of longitudinal tines that extend forward from the base. The base includes a plurality of apertures disposed rearward of the tines and that extend from a bore within the base through an outer circumfery of the firearm attachment. The apertures exhibit a first diameter at the bore and a second larger diameter at the outer circumfery. The apertures are adapted to impart thrust to the firearm attachment in response to combustion gases passed from the bore through the apertures to compensate for muzzle rise associated with the firearm.
A lighting device may include a light source and a reflective optical element. The reflective optical element may have a reflective internal surface that defines a cavity. The internal surface may include longitudinal undulations. The internal surface may be faceted or non-faceted. The light source may be at least partially disposed in the cavity. The shape profile of the internal reflective surface in any plane containing the surface's symmetry axis may be non-paraboloidal and may exhibit undulations running along its length. The reflective optical element may be a monolithic structure and may be a beam-shaping reflector that generates a light beam that, in comparison with a paraboloidal reflector having the same hole size, aperture size, and light source, is relatively fainter at small off-axis angles, brighter at mid-range off-axis angles, and fainter at large off-axis angles than a light beam generated by the paraboloidal reflector. Related methods are provided.
Illumination devices may be provided with one or more light sources that emit light of the same, similar, and/or different optical spectra within a wavelength range, for example, from the extreme ultraviolet (UV) to the far infrared (IR). One or more of the light sources may be selectively adjusted to control the overall mix of light projected onto a scene of interest. For example, one or more light sources may be used, and sometimes in conjunction with other optical elements, to provide illumination having a particular angular intensity distribution, color temperature, and/or other desired optical properties for a scene within a field of view (FOV) of the camera of a mobile device used for videography and/or photography. One or more illumination devices may also be used as flashlights and/or as sources of electrical power for recharging mobile devices. Related methods are provided.
Illumination devices may be provided with one or more light sources that emit light of the same, similar, and/or different optical spectra within a wavelength range, for example, from the extreme ultraviolet (UV) to the far infrared (IR). One or more of the light sources may be selectively adjusted to control the overall mix of light projected onto a scene of interest. For example, one or more light sources may be used, and sometimes in conjunction with other optical elements, to provide illumination having a particular angular intensity distribution, color temperature, and/or other desired optical properties for a scene within a field of view (FOV) of the camera of a mobile device used for videography and/or photography. One or more illumination devices may also be used as flashlights and/or as sources of electrical power for recharging mobile devices. Related methods are provided.
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
G03B 15/05 - Combinations of cameras with electronic flash apparatus; Electronic flash units
A rail mountable device may be provided that is configured to be secured firmly to a rail, such as a rail on a firearm, and released easily from the rail. In one example, the rail mountable device may include a rail clamp that includes first and second rail-engaging surfaces of corresponding first and second ramp members and a cross member that, in response to rotation of a screw, move toward or away from the longitudinal faces of the rail of the firearm to secure or release the rail mountable device to or from the rail. Additional embodiments and related methods are provided.
Various techniques are provided to assemble, manufacture, and operate firearm sound suppressors. In one example, a sound suppressor for a firearm includes a baffle; a spacer abutted to the baffle; and a circumferential laser weld joining the baffle and the spacer. In another example, a sound suppressor for a firearm includes a plurality of baffles; a plurality of spacers; a substantially tubular housing surrounding the baffles and the spacers; wherein the housing and the spacers define an annular volume surrounding the spacers; an aperture in a circumfery of at least one of the spacers; and wherein the aperture is adapted to direct combustion gases in a radial direction from within the spacer into the annular volume to reduce ejection port flash of the firearm. Additional suppressor embodiments and related methods are also provided.
A lighting device attachment for a mobile device may include a housing that defines a cavity or an external coupling member configured to receive the mobile device, a light source within the housing, and an optical element adapted to project light from the light source to illuminate an external scene. The attachment may include multiple light sources and multiple associated optical elements to generate a combined beam for illuminating the external scene which may include the field of view of a camera of the mobile device. The camera and the light sources may be cooperated to capture still or video images. The attachment may include a battery that provides power to the light sources and/or the mobile device and may charge a battery of the mobile device. The light sources may be operated by a control device of the attachment and/or by the mobile device. Related methods are provided.
An earpiece that substantially lacks a lower lobe is disclosed. In one example, the earpiece can have a generally arcuate rib having upper and lower ends. A lobe can be formed at the upper end of the arcuate rib. No lobe is formed at the lower end of the arcuate rib. An extension can extend from the earpiece and can be configured to extend into the ear canal. Eliminating the lower lobe mitigates discomfort during use and also reduces the likelihood of tissue damage and infection. The extension can enhance communication of desired sound, e.g., from a two-way radio, to an eardrum while mitigating communication of undesirable ambient noise to the eardrum. Other implementations and related methods are also disclosed.
A live-fire simulation system uses a position sensitive detector (PSD) in a weapon-mounted sensor to intercept emitted light from target emitters spatially distributed about a target. Each target emitter is modulated with a unique frequency. The system can thus not only determine the points of interception on the PSD but also determine which emitter caused which interception by using a frequency analysis.
G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
A locking pin for a mount for receiving a T-rail includes a bolt for engagement with the mount, a plurality of facets defined on the bolt, and a locking leaf spring having a first end fixed to the mount and a second distal end with a planar lip. A movable and lockable handle for a portable light includes a hand grip, a pair of arms and a pair of hinges. A locking flange in the hinge securely captures the arm in a folded configuration. The arm is moved out from behind the locking flange and rotated to a fully deployed configuration and held by a detent flange. The handle is attached to the mount provided with the locking pin.
F16B 39/10 - Locking of screws, bolts, or nuts in which the locking takes place after screwing down by a plate or ring immovable with regard to the bolt or object
Hand guards for firearms and related methods are provided. In one example, a hand guard for a firearm includes an elongated tubular housing having a lumen extending between opposite ends thereof. A hand guard mounting assembly is coupled concentrically to a rear end portion of the housing. The mounting assembly includes a pair of opposing transverse surfaces respectively disposed on opposite sides of a transverse flange located on a front end of a barrel nut extending forwardly from a receiver of the firearm. At least one of the transverse surfaces is longitudinally moveable toward the other transverse surface. A mechanism adjustably urges the at least one transverse surface longitudinally toward the other transverse surface so as to clamp the flange firmly between the two transverse surfaces and such that the barrel of the firearm is disposed concentrically within the lumen of the housing.
A coupling for a powered search light includes a body that has a power device that provides electrical power or access to electrical power and a head coupled to the body including an lighting device which provides light when electrically powered. An end is coupled to or included as part of the body. A receiving coupling is coupled to or included as part of the head. A plurality of tabs are defined on the end and extending radially therefrom. A corresponding plurality of flanges are defined in the receiving coupling and extending radially inward therefrom. The end is arranged and configured to engage the receiving coupling by capture of the plurality of tabs by the corresponding plurality of flanges. A lock locks the plurality of tabs with respect to the plurality of flanges.
A coupling for a powered search light includes a body that has a power device that provides electrical power or access to electrical power and a head coupled to the body including an lighting device which provides light when electrically powered. An end is coupled to or included as part of the body. A receiving coupling is coupled to or included as part of the head. A plurality of tabs are defined on the end and extending radially therefrom. A corresponding plurality of flanges are defined in the receiving coupling and extending radially inward therefrom. The end is arranged and configured to engage the receiving coupling by capture of the plurality of tabs by the corresponding plurality of flanges. A lock locks the plurality of tabs with respect to the plurality of flanges.
F21L 4/04 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of a light source housing portion adjustably fixed to the remainder of the device
F21L 4/08 - Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
F21V 17/12 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
F21W 131/40 - Lighting for industrial, commercial, recreational or military use
A nonimaging light assembly for flashlights, including a light source and a lens symmetrical about an optical axis for receiving light from the light source and producing therefrom a light beam having concentrated and divergent components resulting in a high intensity core beam surrounded by a smoothly transitioning lower intensity surround beam. In a preferred embodiment utilizing a light emitting diode as the light source, the combined light beam produced by the light assembly has a substantially circular cross section.
System and methods can provide both hearing enhancement and hearing protection. An audiogram can be determined for either an individual person or a group of people. A frequency spectrum of an environment can be determined for an environment within which hearing enhancement and/or hearing protection is needed. The audiogram and the frequency spectrum of the environment can be used to modify an electronic signal to attenuate noise and to amplify information. The information can be voice, sirens, bells, or anything else that the user desires to hear.
A gun sight (4010A) includes a light source (4231) adapted to project light, a user-viewable interface (4238A), and an optical element (4232). The optical element includes a first surface (4604) adapted to pass the light to provide a reticle at the user-viewable interface. The optical element also includes a second surface (4606) adapted to refract the light to provide a light guide at a peripheral area of the user-viewable interface to aid a user to substantially align the user's eye with the reticle. Various mechanisms for aligning gun sights, attaching gun sights, related methods, and other embodiments are also provided.
In one embodiment, a forend for a firearm includes an adapter module configured to mount below a barrel and in front of a receiver of a specific model of a firearm, such as a shotgun, and a universal firearm accessory module coupled to one or more surfaces of the adapter module. The adapter module can include an upper surface that substantially conforms to a lower surface of the barrel, a longitudinal bore configured to receive a tubular magazine of the firearm concentrically therein, and lower and external side surfaces defining a plug. The accessory module can include a firearm accessory and an upper and internal side surfaces defining a socket configured to receive the plug of the adapter module in a complementary plug-in engagement. The accessory can be a source of a light useful for illuminating a target or aiming the firearm.