Abstract: Helmet padding systems are disclosed. One helmet padding system includes a rigid shell and a spacing pad. The rigid shell is configured to cover a top of a user's head and be worn under a piece of headgear. The rigid shell includes a pair of slots extending in a direction from a lower rear edge of the rigid shell toward a lower front edge of the rigid shell. The pair of slots define a central portion and opposed side portions of the rigid shell. The central portion includes at least one pair of flaps, with each of the at least one pair of flaps extending outwardly from the central portion into a respective slot. The central portion further includes a tail extending outwardly from the central portion into each of the slots. The spacing pad is positioned within the rigid shell. The spacing pad includes a layer of elastomeric material.

Abstract: A protective helmet with first and second helmet sections each including an outer shell section and an inner layer section of protective material. The first and second helmet sections are displaceable relative to one another to adjust a size of the helmet. Two opposed side protective members are received inwardly of the outer shell sections on opposed sides of the helmet. Means for adjusting a position of the side protective members relative to the inner layer sections of protective material are provided. The means are configured such that, when the protective helmet is adjusted when on the head of the wearer, the protective members remain substantially stationary with respect to the head of the wearer when the inner layer sections are displaced with the first and second helmet sections.

Abstract: A helmet for protecting a wearer's head. The helmet includes an outer shell including a first shell member and a second shell member movable relative to one another in a longitudinal direction of the helmet to adjust a fit of the helmet on the wearer's head. The helmet includes an adjustment mechanism configured to control movement of the first shell member and the second shell member relative to one another. The adjustment mechanism includes an actuator movable between a first position in which the first shell member and the second shell member are allowed to move relative to one another and a second position in which the first shell member and the second shell member are precluded from moving relative to one another. The actuator is configured to lock the first shell member and the second shell member relative to one another without extending through a given one of the first shell member and the second shell member.

Abstract: The disclosure provides a ballistic helmet that includes a helmet shell and a harness connected to the helmet shell. The helmet shell includes a front portion and a rear portion. The harness includes a nape pad, a tensioner disposed on the nape pad, more than one securement strap, and a tension cable. The more than one securement strap is connected to the nape pad and is configured to fasten to the rear portion of the helmet shell. The tension cable is selectively adjustable by the tensioner and is configured to fasten to the front portion of the helmet shell.

Abstract: A head-mounted display includes a wearing part, a display body, a strap, a follower, and a buckle assembly. The display body is disposed on the wearing part. The strap includes a first end, a second end, and a handle portion. The wearing part is located at a front side of a wearing space surrounded by the strap. The first end and the second end are overlapped at the front side. The handle portion is located at the first end or the second end. The follower is disposed on the wearing part and coupled to the first end and the second end. The buckle assembly is disposed between the wearing part and the first end, and is adapted to lock a relative position between the wearing part and the first end in a buckled state and remove the interference between the wearing part and the first end in a released state.

Abstract: A patient interface system for delivery of a supply of air at positive pressure to the entrance of a patient's airways for treatment of sleep disordered breathing includes an air delivery tube connected to a flexible portion of a plenum; a vent structure having sufficient rigidity to support its own weight under gravity and/or not to block or fold under tube movement or tube drag; and a patient interface structure. The patient interface structure includes a seal forming structure arranged on a top portion of the plenum; and a seal positioning and stabilizing structure connected to a flexible portion of the plenum. The seal-forming structure is substantially decoupled from a tube drag force.

Abstract: The present invention relates to a functional/multi-purpose head cushion for a headband; the headband is formed from a head cushion comprising: a main body which is depressively formed from up, down, left and right towards the central part; a fixing clip which is provided on the upper part of the main body and is inserted into the band main body or the support band; and banding members for integrally connecting both end portions of the fixing clip and the upper edge portions of the main body, wherein the head cushion is formed from a resilient material so as to have easy shape transformation and resilience and is insert-provided inside the headband and thereby assist in supporting a wearer's head.

Abstract: A radio connection apparatus configured for use with a radio comprising an accessory connector arrangement is provided. The design includes a radio connector comprising physical radio interconnection hardware configured to fit with and physically fixedly join with the radio and a pouch connector including a pouch connector plug configured to fit with and physically fixedly interconnect with a connector formed within a radio pouch such that physical removal of the radio from the radio pouch causes a corresponding physical removal of the pouch connector from the connector formed within the radio pouch. The radio connector and pouch connector electrically interconnect with a processing device such that signals are transmitted between the radio and the processing device.

Abstract: Embodiments include method, systems and computer program products for automatic adjustment of helmet parameters based on a category of play. Aspects include monitoring a plurality of sensors in a helmet and determining the category of play for a user of the helmet based on data received from the plurality of sensors. Aspects further include automatically adjusting one or more parameters of the helmet based on the category of play.

Abstract: A helmet has an inner liner having a body of molded protective material. The body forms an inner cavity adapted to be mounted on a wearer's head to cover portions thereof. An outer shell is secured to and covers the inner liner and forms a generally continuous exposed surface of the helmet. A peripheral edge of the outer shell defines a lower contour of the helmet. Slits are defined in the outer shell and project generally upward from the peripheral edge. Flaps are defined each slit and by material of the outer shell deformed to an open position from a tucked position to open the lower contour of the helmet. A mechanism connects each flap to a remainder of the helmet at least in the tucked position.

Abstract: Implementations of a headset mount are provided. In some implementations, a pair of headset mounts may be used to secure the earpieces of an electronic headset to a helmet having a suitable accessory interface (e.g., a rail system) thereon. In this way, a user wearing the helmet may adjustably position the earpieces of the electronic headset over his/her ears. In some implementations, the headset mount may comprise a housing having a body portion and a top portion, a back plate, and a wire form including a rotatable bracket that is secured thereto by a pivot. In some implementations, the bracket is configured to secure the earpiece of a headset to the wire form of the headset mount.

Abstract: The present application discloses a helmet, a helmet retention system, and a method of adjusting a helmet. In certain embodiments, the helmet comprises a helmet shell and a helmet retention system. The retention system comprises a rear portion connected to the rear of the helmet shell, first and second straps extending from the rear portion to a front portion of the helmet shell, and an adjustment device attached to the rear portion for adjusting the length of the first and second straps between the rear portion and the front portion of the helmet shell to tighten and loosen the straps about the head of the user. Each strap comprises a strap segment and an elongated member attached to the strap segment. The adjustment device is configured to selectively adjust the elongated member to move the first and second strap segments relative to the helmet shell.

Abstract: Implementations of a headset mount are provided. In some implementations, a pair of headset mounts may be used to secure the earpieces of an electronic headset to a helmet having a suitable accessory interface (e.g., a rail system) thereon. In this way, a user wearing the helmet may adjustably position the earpieces of the electronic headset over his/her ears. In some implementations, the headset mount may comprise a housing having a body portion and a top portion, a back plate, and a wire form. In some implementations, the top portion is configured to rotate when secured to the body portion of the housing. In this way, the top portion may be used to rotate a wire form having an earpiece of a headset attached thereto into position (e.g., over the ear of a user and/or on top of the helmet to which the headset mount is secured).

Abstract: Shock-absorbing helmet liners may be releasably locked to helmet shells using mechanical fasteners.

Abstract: Helmets and helmet fit systems are disclosed herein. The helmets include a shell and the helmet fit system. The helmet fit system includes a passive adjustment mechanism. The passive adjustment mechanism is configured to automatically and passively vary a length of a perimeter that is defined by the helmet responsive to a tension force that is applied to the passive adjustment mechanism by a remainder of the helmet. Some helmet fit systems further include a manual adjustment mechanism configured to receive user input for selectively increasing and decreasing the length of the perimeter.

Abstract: A protective helmet with a second shell having a top end connected to a top portion of a first shell such as to allow relative movement between the first shell and the bottom end of the second shell about a connection between the top end and the top portion along two opposed directions. Two connecting members are each connected to a respective side portion of the first shell at a fixed location and are each connected to the bottom end of the second shell through a respective connection allowing relative movement therebetween. An adjustment mechanism is connected to the second shell and has a movable portion movable between an unlocked position free of the connecting members to allow relative movement between the first and second shells and a locked position in engagement with the connecting members to prevent relative movement between the first and second shells along at least one of the opposed directions.

Abstract: Helmet element (1) for, as a component of a helmet which is provided with a helmet shell (7) and a cranium strap (9) for enclosing the user's cranium, providing a connection between said cranium strap and helmet shell, which helmet element comprises a leave springs connected to the helmet shell and the cranium strap. Ends of the leave springs are connected together, leaving an eye between the leave springs. The leaf springs are connected to the helmet shell (13) and the cranium strap (11) respectively. A buffer member (3) may be provided as a spacer in the eye between the leaf springs. The buffer member (3) may be made of foam material.

Abstract: A head circumference adjustment device of a helmet includes: a main body formed with a cavity; an annular strap having a first end and a second end passing through the cavity, each of the first and second ends being formed with a rack section, a thumb section and a shoulder section; and a controller mounted in the cavity. The controller has a gear engaged with the rack sections of the strap. By means of rotating the controller, the position of the strap can be adjusted to adjust the head circumference. The head circumference adjustment device can be easily operated and truly fixed to overcome the shortcomings existing in the conventional adjustment device that the strap is likely to slip and the position of the strap can be hardly truly adjusted and the strap is likely to detach from the adjustment device.

Abstract: A coil suitable for tissue stimulation and especially for transcranial magnetic stimulation (TMS) may be used in conjunction with a pulse generator to induce electric field in the brain with less attenuation in depth compared to existing TMS coils. In an example, a coil winding is formed in a solenoid configuration around the head. Various related features, methods, and embodiments are described.

Abstract: A helmet includes a helmet shell including an edge and an edge trim receiving the edge. The helmet also includes a retention system including at least two points where the retention system is secured to the helmet and a releasable mechanical fastening system, wherein the mechanical fastening system includes a first mating portion and a second mating portion, which releasably mates with the first mating portion. The first mating portion is affixed to the points and the second mating portion is affixed to one of the helmet shell or the first mating portion. In addition, an attachment hook is provided for each point of the retention system extending from the edge trim through which each of the points pass through.

Abstract: The adapter comprises a clip with a groove, and a rack that engages with the groove. The clip attaches securely to an edge of a fabric, for example, a panel on a baseball cap. The rack includes an angle adjuster, on which a brow guard, welding helmet, or other protective gear can be mounted.

Abstract: Various embodiments of protective helmets are disclosed, with a particular focus on rear opening full-face helmets. Embodiments include an emergency release mechanism tor such helmets, which allows the helmet to be separated into a front and rear shell thereby to facilitate removal from a wearer's head with minimal stress to the neck.

Abstract: A head-mounted device to be worn on a user's head includes a first pressing member to press, for example, an occipital region, a second pressing member to press, for example, a parietal region, and first and second linear members connected to the first and second pressing members respectively. The first and second linear members are guided so that a change in lengths of the first and second linear members causes the first and second pressing members to move in the first and second directions respectively. An adjustment unit to adjust the lengths of the first and second linear members includes first and second wind-up units connected to a rotational operation member and to wind up the first and second linear members respectively.

Abstract: An adjustment mechanism for a headband arrangement including a rotatable knob having a first contact member; a rotatable hub member to engage a notched track of a headband member; and a rotatable notched track member, wherein during contact between the first contact member and the hub member the rotatable notched track member does not rotate, and wherein during contact between a second contact member and the hub member the rotatable notched track member rotates in a second direction.

Abstract: A closure assembly that is infinitely adjustable within an operating range of the closure assembly and includes a vent port therethrough. The closure assembly includes a housing and an operator that rotationally cooperates with the housing. A flexible member is movably supported by the housing and cooperates with the operator so that manipulation of the operator alters the amount of the flexible member that extends beyond the housing. A biasing means cooperates with the operator and interacts with the housing to maintain a desired orientation of the operator, and thereby a desired orientation of the flexible member, relative to the housing to define a shape of a closure of the item of apparel. A vent port is formed through the housing and the operator and mitigates heat collection therebehind.

Abstract: A head-mountable apparatus mountable on a head of an observer comprises a first pressing member which presses a first portion of the head; a second pressing member which presses a second portion of the head; and an adjustment unit adapted to move the first pressing member and the second pressing member to positions where the first pressing member and the second pressing member respectively press the first portion and the second portion.

Abstract: A headgear for use with a mask includes a first strap (660) being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. The headgear also includes at least one second strap (620, 630) configured to removably connect the first strap to the mask. The second strap may be more extensible than the first strap. At least a portion of the first strap is self-supporting such that the headgear maintains a three dimensional shape when not in use. The substantially inextensible portion of the first strap is constructed to resiliently return to a predetermined shape when not in use. The arcuate region includes a first portion that may be arranged to align substantially parallel with a top of the patient's head and a second portion being arranged to align substantially to a rear surface of the patient's head.

Abstract: An impact absorbing liner for use as part of a helmet that comprises adjustable means which allow to change the interior size and shape of the liner. The impact absorbing liner can be adjusted by operating on an actuation mechanism.

Abstract: A protective helmet for sports use, in particular for use by cyclists, comprising a cap structure (2) having a plurality of cap portions which are structurally independent of each other and mutually connected to flexible interconnecting members in such a way that the helmet has at least one overall configuration of minimum dimensions when not worn, with the parts of the cap mutually adjacent to each other, separate from an operating condition having maximum dimensions when the helmet is worn, in which the parts of the cap are held together by interconnecting members in positions at a suitable distance from each other in order to appropriately enclose the user's head is described.

Abstract: A sports helmet having a front shell and a rear shell, and a plurality of straps interconnecting the front and rear shells. At least one of the straps is connected to the front shell along an inner surface thereof, and a portion of the at least one of the straps extending from the rear shell to the connection with the front shell is completely contained inside the helmet.

Abstract: A safety helmet comprising an outer shell, an internal headband composed of a neckband at the rear and a securing strap at the front, and an adjustment mechanism of the headband. The adjustment mechanism comprises a double cog-wheel having a first sprocket associated with a first drive rack of the neckband, and a second sprocket associated with a second drive rack of the strap. The two sprockets have different diameters to perform differential driving of the strap and of the neckband.

Abstract: A headgear for a head safety product such as a face shield, hardhat or welding helmet includes a spring buffered cradle mounted on the horizontal band of the headgear to improve the fit, function, stability and comfort of the headgear. The cradle is flexible and has a concave inner surface contoured to conform to the shape of the head. A spring element is coupled between the cradle and the horizontal band to buffer the tension between the band and the head and more equally distribute pressure across the head. In a preferred embodiment, an occipital cradle includes two leaf springs coupled to the rear portion of the horizontal band.

Abstract: A headgear adjustment mechanism is provided that includes a worm having a central axis of rotation, a first headband element, a second headband element, a spur gear, and a housing. The first headband element includes (i) a worm rack disposed in operative engagement with the worm, and (ii) a first pinion rack. The second headband element includes a second pinion rack. The spur gear is disposed in simultaneous operative engagement with the first pinion rack and the second pinion rack, and the housing at least partially encloses the first and second headband elements. During operation of the adjustment mechanism, rotation of the worm about the axis of rotation causes the first headband element and the second headband element to translate in opposite directions with respect to the worm, thereby adjusting a fit of the headgear.

Abstract: A head suspension includes a headband portion having a length and two transition arms. Each transition arm is coupled to the headband portion and extends away from the headband portion length at an angle greater than zero degrees. Each transition arm has a distal end and a pivot at the distal end. The pivot characterized by a pivot point and a rear support portion is pivotally connected to each pivot.

Abstract: A hockey or lacrosse helmet having a front shell; a rear shell having an elongated slot extending along a longitudinal axis of the helmet; a rear inner pad for facing the back and left and right side regions of the head, the rear inner pad being mounted to the rear shell; an occipital inner pad located below the rear inner pad for facing the occipital region of the head; a central member extending along the longitudinal axis of the helmet, the central member having an upper part hingedly mounted with respect to the rear shell and a lower part mounted to the occipital inner pad; and a single wedging member located between the rear shell and the central member, the single wedging member being movable along the longitudinal axis of the helmet from a first position to a second position.

Abstract: A head massager comprises a helmet having a front shell and a rear shell moveable relative to the front shell, a massage device and an adjustment device having a positive rotatable knob, a fixing pole fixed on the rear shell, a winding ring, two pulling ropes and a reverse locking device. The rear shell has a cavity and the front shell has two ends plug-connected with two ends of the rear shell. The knob and the winding ring are loosely sleeved on the fixing pole via holes. The knob has first bulged teeth around a hole, the winding ring has a loop of second bulged teeth around another hole. The first bulged teeth are indented joined to the second bulged teeth. One end of each pulling rope is connected to the end of the front shell, another end of the pulling rope is connected to the winding ring to rotate the knob in positive direction for moving the front shell by the two pulling ropes.

Abstract: A headgear support that comprises a headband and a pad. The headband has a first end and a second end and forms a substantially closed perimeter having a length which is selectively adjustable. The pad is pivotally connected to the headband such that the pad is disposed within the substantially closed perimeter and pivots relative to the headband about a pivot axis.

Abstract: Headgear and head suspension system adapted to support an object with a head of a wearer. A flexible circumferential band has an anterior portion and a posterior portion, at least a portion of the anterior portion of the flexible circumferential band having a replaceable headband bridge having a particular configuration. A configuration of the head suspension system may be modified by replacing the replaceable headband bridge with another headband bridge of a different configuration.

Abstract: A headgear adjustment mechanism is provided that includes a worm having a central axis of rotation, a first headband element, a second headband element, a spur gear, and a housing. The first headband element includes (i) a worm rack disposed in operative engagement with the worm, and (ii) a first pinion rack. The second headband element includes a second pinion rack. The spur gear is disposed in simultaneous operative engagement with the first pinion rack and the second pinion rack, and the housing at least partially encloses the first and second headband elements. During operation of the adjustment mechanism, rotation of the worm about the axis of rotation causes the first headband element and the second headband element to translate in opposite directions with respect to the worm, thereby adjusting a fit of the headgear.

Abstract: A helmet padding consists of sets of tubes. An armature and tubes are connected and mounted within the shell. A fastener fastens a cage to the shell allowing sides of the cage to be mounted directly against the shell. The shell is molded with recessed portions receiving two branches of the chin bar on each side where they will be fastened to the shell to provide a smooth transition and reduce weight. An adjustment device includes a star wheel on each side of the helmet attached to an arcuate flexible strip extending rearwardly around the occipital area of the skull. A sliding mechanism attached to the strip allows the strip to be moved forward and backward to allow it to be tightened or loosened, respectively, with respect to the player's head. A ratcheting lateral adjustment device is also disclosed.

Abstract: A tightening system can be used with a helmet or other wearable article. The tightening system can have a forehead strap that is space apart from a yoke, which can be configured to engage a back side of a wearer's head. A lace can extend between the forehead strap and the yoke and a tightening mechanism can be configured to adjust tension on the lace. One or more intermediate tenders can engage the lace in the gap between the forehead strap and the yoke so that the lace path between the forehead strap and the yoke is non-linear. The yoke can have a height adjustment mechanism. The tightening mechanism can be configured to provide a clicking sound during rotation in both the tightening direction and the loosening direction. The tightening mechanism can include a rotation limiter to prevent over-tightening and/or over-loosening of the tightening mechanism.

Abstract: A helmet, adjustable longitudinally and laterally to fit a variety of head configurations, includes an outer shell having front and a rear shell parts, which are movably joined with one another, and an adjuster. The rear outer shell and/or the front outer shell can include first and second lateral shell portions separated by a slot. The adjuster can move the first and second lateral shell portions away from one another from a narrowed mode to a widened mode to increase the lateral dimension of the helmet. Simultaneously, the adjuster can move the front and/or rear shell to increase the longitudinal dimension of the helmet as the first and second lateral shell portions move from a narrowed mode to a widened mode. A method is also provided for effecting the longitudinal and lateral adjustments of the helmet.

Abstract: A head suspension includes a headband portion having a length and two transition arms. Each transition arm is coupled to the headband portion and extends away from the headband portion length at an angle greater than zero degrees. Each transition arm has a distal end and a pivot at the distal end. The pivot characterized by a pivot point and a rear support portion is pivotally connected to each pivot.

Abstract: The present invention is a Miniature Vein Enhancer that includes a Miniature Projection Head. The Miniature Projection Head may be operated in one of three modes, AFM, DBM, and RTM. The Miniature Projection Head of the present invention projects an image of the veins of a patient, which aids the practitioner in pinpointing a vein for an intravenous drip, blood test, and the like. The Miniature projection head may have a cavity for a power source or it may have a power source located in a body portion of the Miniature Vein Enhancer. The Miniature Vein Enhancer may be attached to one of several improved needle protectors, or the Miniature Vein Enhancer may be attached to a body similar to a flashlight for hand held use. The Miniature Vein Enhancer of the present invention may also be attached to a magnifying glass, a flat panel display, and the like.

Abstract: A helmet having a first helmet portion and a second helmet portion disposed adjacent to said first helmet portion, with the portions being slidably connected to one another and slidable relative to each other. The second helmet portion has a restraint defining a passage. The first helmet portion has an opening exposing a portion of the restraint. A securing member is received in the opening of the first helmet portion and slidable between engaged and disengaged positions. A portion of the securing member extends through the opening toward the second helmet portion and is received in the passage when in the disengaged position. The securing member engages the restraint and prevents relative movement of the first and second helmet portions when in the engaged position.

Abstract: A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a headgear assembly removably attachable to the frame. The headgear assembly includes a pair of side portions and a rear portion that interconnects the pair of side portions. The pair of side portions includes at least one strap. The rear portion has at least one strap constructed of at least two layers of material. One of the layers of material has a more rigid construction than the other of the layers of material to resist compression of the at least one strap of the rear portion in a first direction which resists movement of the at least one strap of the pair of side straps in the first direction.

Abstract: An improved face shield assembly universally fits to most hard hats and includes a dual-point pivot system which allows the face shield to be located in a “down” as-used position, an “up” as-used position and a “stowed” position above the hard hat. The improved face shield assembly includes three separate brackets, namely a main mounting bracket secured to the brim of a hard hat, a rotating bracket pivotably mounted to the main mounting bracket and a lens mounting bracket pivotably mounted to the rotating bracket. Spring-loaded struts stabilize and retain the lens mounting bracket in the as-used and stowed positions relative to the rotating bracket.

Abstract: By way of example, a cam assembly and strap based closure system using a spiral is configured for bringing two sides of an article together. When the user inserts the strap into the cam assembly and turns a knob, the strap is driven into the cam assembly and the strap pins engage one or more cam spirals. The system is configured such that strap pins are engaged at a constant angle which may be self-locking. The system is infinitely adjustable and the torque felt by the knob is constant. The system is configured to be a quick release system and allows rapid insertion of the strap for faster operation.

Abstract: A protective sports helmet includes features that promote efficient fit adjustment and efficient donning and removal of the helmet. The helmet optionally includes a front shell portion pivotably connected to a rear shell portion to promote easy donning and removal of the helmet. Further, the upper region of the front shell optionally is longitudinally adjustable relative to the upper region of the rear shell. Cam mechanisms optionally are provided on the helmet shell for securing straps of a chin cup at desired lengths. The cam mechanisms optionally each include a self-energizing grip member that increasingly engages the strap when the strap is pulled taut while the cam mechanism is in the locked position. A face guard optionally is attached within the helmet shell structure, or within padding inside the shell, which provides a smooth helmet exterior and promotes distributed energy transfer from the face guard to the helmet shell.

Abstract: An adjustable hockey helmet includes a front shell that is longitudinally movable relative to a rear shell to adjust the length of the helmet. One or more substantially rigid straps or similar elements are attached to the front shell and extend to the interior of the rear shell. A cam mechanism or similar device is included on the rear shell for securing the straps directly or indirectly against the interior of the rear shell to prevent longitudinal movement of the front shell relative to the rear shell once the helmet is adjusted to a desired length. Alternatively, the one or more straps may be attached to the rear shell and the cam mechanism may be included on the front shell.