Abstract: A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a filter removing contaminants and delivers filtered ambient air to the user. A method of delivering air to a subject is also provided.

Abstract: An integrated laser range finder and sighting assembly includes a range finder for determining a distance to a target and an onboard ballistics computer for calculating a trajectory and automatically rotating a pointing laser to the proper angle for aligning with a target for firing the weapon.

Abstract: The present disclosure relates to a battery box apparatus having a main body defining a battery cavity for removably receiving one or more batteries, the main body having a mounting shoe attached to a first side of the main body for removably mounting the battery box. The battery box also having a cover movable between a closed position and an open position hingedly connected to the main body to selectively close the battery cavity when the cover is in the closed position and to provide access to the battery cavity when the cover is in the open position. A locking mechanism secures the cover in the closed position. The battery box also having a flex circuit received within the battery cavity, the flex circuit comprising a circuit structure carried on a flexible substrate electrically coupling a plurality of terminals within the battery cavity to a plurality of electrical contacts on the mounting shoe.

Abstract: An improved floating rail system for mounting accessories on a firearm having a barrel including a chassis and a clamp adapted to attach the chassis about the barrel of the firearm. A plurality of elongate accessory mounting rails are attached to the chassis and extend parallel to an axis of the barrel. The accessory mounting rails are supported in the chassis radially spread apart from the barrel.

Abstract: An integrated laser range finder and sighting assembly includes a range finder for determining a distance to a target and an onboard ballistics computer for calculating a trajectory and automatically rotating a pointing laser to the proper angle for aligning with the target for lobbing of a grenade.

Abstract: An improved helmet mounting device for an optical or other viewing device is provided. The helmet mount includes a mounting assembly removably attachable to the helmet and a pivoting assembly having a first end pivotally attached to the mounting assembly and a second end opposite the first end. A fore and aft adjustment assembly is attached to the second end of the pivoting assembly and a left and right adjustment assembly is rotatably attached to the fore and aft adjustment assembly. The left and right adjustment assembly is pivotal relative to the fore and aft adjustment assembly about a first generally vertical axis. An optical device mounting member is attached to the left and right adjustment assembly and the optical device mounting member is removably attachable to the optical device.

Abstract: Helmet mounts for mounting an associated viewing device on a helmet, includes a first pivoting segment for attachment to the helmet and a second pivoting segment for attachment to the associated viewing device. The second pivoting segment is pivotable relative to the first pivoting segment for selectively supporting the associated viewing device in a first, operational position before the eyes of a user donning the helmet and a second, stowed position above a line of sight of a viewer donning the helmet. In one aspect, the first pivoting segment includes a vertical adjust mechanism having a base plate, a pair of guide rails attached to the base plate and defining a channel therebetween, a sliding plate slidably attached to the guide rails, and a clamping mechanism for selectively applying a clamping force to secure the sliding plate at a desired position relative to the base plate.

Abstract: The present disclosure relates to a flashlight apparatus including a base module having a mount adaptor mountable on a firearm, a reflector module removably attachable to the base module, a power source module removably attached to the base module, and a light source module removably attachable to the base module, the light source module including an illumination light source and a laser light source. In a further aspect, an identification friend or foe system is provided.

Abstract: An improved helmet mounting device for an optical device, such as a night vision device, is provided. The mounting device herein includes sliding carriage arms and a pivot member for pivoting the viewing device up and away from the user's line of sight. In the depicted preferred embodiments, an optional reinforced mounting fastener system is provided. In another aspect, a movable sensor element may provided on the helmet mount for controlling operation of an attached vision device. In still further embodiments, a breakaway mechanism is provided which allows the user to select between a rigid attachment between the helmet and the optical device and a breakaway attachment wherein the optical device will break away from the helmet when an applied force exceeds a threshold amount of force.

Abstract: A handgrip apparatus for firearm includes a hollow housing defining a handgrip surface and forming an enclosure. A fastener is connected to the housing for removably attaching the handgrip apparatus to a fore-end portion of a firearm. A retractable leg assembly is movable between a retracted position and an extended position and includes a pair of pivoting legs usable as a bipod support when the leg assembly is in the extended position. In one aspect, one or more switches for controlling operation of one or more electronic devices are coupled to the handgrip apparatus. One or more connectors are electrically coupled to the one or switches and are adapted to be electrically coupled to one or more electronic devices. In another aspect, a handgrip apparatus having a pivoting attachment between the fastener and the housing positions is provided. In another aspect, a handgrip apparatus includes integrated conductors in the fastener.

Abstract: A switch apparatus for a flashlight includes a housing adapted to attach to a flashlight and defining an interior cavity. A processor is coupled to a first switch and a second switch. The first switch is user actuable and coupled to an input of said processor. The second switch is housed within said interior cavity and coupled to an output of the processor and is an electronically-controlled switch operable to selectively actuate the flashlight in response to actuation of said first switch. In a further aspect, a flashlight apparatus includes the switch apparatus and a flashlight.

Abstract: A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a filter removing contaminants and delivers filtered ambient air to the user. A method of delivering air to a subject is also provided.

Abstract: A handgrip apparatus for firearm includes a hollow housing defining a handgrip surface and forming an enclosure. A fastener is connected to the housing for removably attaching the handgrip apparatus to a fore-end portion of a firearm. A retractable leg assembly is movable between a retracted position and an extended position and includes a pair of pivoting legs usable as a bipod support when the leg assembly is in the extended position.

Abstract: An improved clamping device for a weapon accessory rail of a type having an elongate mounting structure of generally T-shaped cross-section. The rail mounting structure may be of a type including a mounting surface and first and second inclined proximal surfaces on opposite sides of the mounting surface and first and second inclined distal surfaces adjacent the first and second proximal surfaces, respectively. The clamping device includes a mounting shoe with a first inward surface for engaging the mounting surface and a second inward surface for engaging the second distal surface. The mounting shoe has an outward facing surface opposite the first inward facing surface for attaching an accessory device. A cam lever pivotally movable between first and second positions has a rotary cam surface engaging a bearing member. The bearing member is movable between a clamped position and unclamped position in response to movement of the cam lever to the first and second positions, respectively.

Abstract: A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a filter removing contaminants and delivers filtered ambient air to the user. A method of delivering air to a subject is also provided.

Abstract: A helmet- or head-mounted video recording system is provided for mounting on a piece of head gear such as a head-protective helmet. The system includes a camera module attachable to the head gear, including a first video camera integrated into the camera module for generating a video signal. A recording module is removably attachable to the head gear and is adapted to receive the video signal and store data representative of the video signal. A power supply module is removably attachable to the head gear and is electrically connectable to the camera module and the recording module.

Abstract: The present disclosure relates to a flashlight apparatus including a base module having a mount adaptor mountable on a firearm, a reflector module removably attachable to the base module, a power source module removably attached to the base module, and a light source module removably attachable to the base module, the light source module including an illumination light source and a laser light source. In a further aspect, an identification friend or foe system is provided.

Abstract: In one aspect, the present disclosure relates to improved cooling module of a type for circulating water or other cooling fluid through a tube-lined cooling garment system. In another aspect, the present disclosure relates to a central shaft for the transmission of rotational power or torque. In yet another aspect, the present disclosure relates to a hydration system which may be employed in connection with the cooling module described herein. In still another aspect, the present disclosure relates to an improved garment pass-through connection system for penetrating one or more garment layers.

Abstract: 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.