Abstract: An adjustable head band for a helmet has a base, a band, an adjusting wheel, a dial and a cover. The base has at least one pawl. The band is annular and is movably mounted through the base and has two toothed ends. The toothed ends correspond to each other. The adjusting wheel has a gear and a ratchet wheel. The gear engages the toothed ends of the band. The ratchet wheel engages the at least one pawl of the base. The dial is mounted on the adjusting wheel. The cover is mounted on the base. The adjustable head band is attached to a helmet and is convenient and easy to operate to allow customization of the helmet on a head.

Abstract: An adjustable helmet having first and second shells and a single actuator comprising at least one tooth, the single actuator being moveable between: a first locked position, wherein the at least one tooth retains the first and second shells and the first and second shells define a first hollow space; a released position, wherein the at least one tooth no longer retains the first and second shells such that one of the first and second shells is moveable relative to the other of the first and second shells; and a second locked position, wherein the at least one tooth retains the first and second shells and the first and second shells define a second hollow space, the second hollow space being different than the first hollow space.

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: Strap buckles for headgear can be independently adjusted by single-handed operation while the headgear is worn. To tighten the straps, the wearer pulls a strap buckle toward the chin. The adjustment preferably involves a 1:1 length-adjustment ratio, such that the strap is shortened substantially by the amount the wearer pulls on the buckle.

Abstract: An adjustable helmet and a head massager are provided. The adjustable helmet comprises a ring-shaped latitudinal shell and a longitudinal shell connected across the latitudinal shell, at least one of the longitudinal shell and the latitudinal shell has an adjustable means, the inside of the adjustable means has a bidirectional locking structure. In the embodiments, the adjustable means has a bidirectional locking structure which can lock the latitudinal shell or longitudinal shell in bi-direction. When the latitudinal shell or longitudinal shell is disengaged or contracted by the adjustable means and is locked by the bidirectional locking structure, the latitudinal shell or longitudinal shell is fixed in the expanding direction or contracting direction and can't continue to be expanded or contracted inwards. Advantageously, the helmet in use has a constant size, which is useful for users, when the above-mentioned adjustable helmet is applied to a head massager, it's convenient for massage.

Abstract: A helmet for receiving the head of a hockey or lacrosse player, the helmet having an outer shell and an inner lining covering at least partially the inner surface of the outer shell. In one embodiment, the helmet comprises a skeleton at least partially covered by the inner lining, a movable occipital pad and movable temple pads. The inner lining can be made of an absorptive material such as foam, expanded polypropylene or expanded polyethylene and can be overmolded onto the skeleton. The occipital pad and the temple pads may be arranged with an inward bias so as to help the helmet self-adjust to provide an advantageous fit on the player's head. In some embodiments, the outer shell and skeleton, or the outer shell and the inner lining, cooperate to define a ventilation system.

Abstract: A face shield includes a brim having a front portion, a rear portion, an upper portion, and a lower portion. A channel is formed in the lower portion adjacent the rear portion of the brim. The front portion includes a plurality of spaced apart catch members disposed thereon. A head band is unitary with one side of the brim and configured to surround a head of a wearer. The head band has a free end that is adjustably insertable into the channel of the brim to select a size of the head band for the head of the wearer. The face shield may include a removable transparent shield having a plurality of holes formed therein. Each of the holes is configured to cooperate with one of the catch members of the brim to releasably hold the transparent shield on the front portion of the brim.

Abstract: A protective helmet is composed of an external crown made from plastic material, and a semi-rigid neckband adjustable by adjustment means. At least one end of the neckband is joined to the crown by a sliding mechanical link comprising position indexing means controlled from a slide able to be moved from the outside in a slit of the crown. The indexing means are formed by a rack molded directly along with the crown.

Abstract: An emergency helmet trauma bandage and method of use, which, when applied, applies minimal pressure to stop bleeding, doesn't compromise cervical spine immobilization, allows for fast and effective application of ice/cold packs to control intracranial/internal swelling, doesn't come apart during treatment and transport, and doesn't require a caregiver to re-wrap the dressing.

Abstract: The present claimed invention is directed to a protective headguard, comprising a rear pad to protectively cover at least the occipital lobe on the back of a human head. The rear pad has an eccentric dimple for accommodating the occipital lobe. A front pad is configured and arranged to protectively cover at least the forehead of a human. The front pad is releasably interconnected to the rear pad at separate and distinct upper and lower connection points on the rear pad positioned on opposite sides of the dimple. The fit of the headguard can be adjusted between a first and second configuration by disconnecting the front and rear pads, rotating the rear pad 180° and reconnecting the front and rear pads with the front pad connections to the rear pad exchanged as between the upper and lower connection points.

Abstract: A method or device for providing an opening on a head strap on a Baseball or Softball sports protective face mask: permitting the person to tie their hair back or place their hair in a ponytail style, wherein the head strap would remain properly secured to the person's head

Abstract: A head massager includes a helmet (10) having a first parallel hoop (11) and a second parallel hoop (12) connected to each other for forming a ring surrounding the user's head. The helmet (10) has a first meridian hoop (21) and a second meridian hoop (22) connected to each other to form an arc structure and hang the head massager on user's head. The distance adjustment devices (3) are provided to connect the first parallel hoop (11), the second parallel hoop (12), the first meridian hoop (21), and the second meridian hoop (22) together for adjusting the size of the helmet (10) to provide a comfortable fit to user's head.

Abstract: The present invention generally relates to protective headgear worn by a user to protect his eyes, head, and face. More particularly, the present invention is directed to a protective headgear assembly used by welders and the like wherein a headgear strap can be tightened or loosened upon the ratcheting of a knob connected to the headgear strap. The headgear strap can also be automatically disengaged for removal of the headgear by pulling the knob away from the user's head.

Abstract: A protective sport helmet, such as for lacrosse, includes a hard shell portion, a lining portion, and an adjustment mechanism. The inner side of the adjustment mechanism includes an adjustment protective pad. Together, the lining portion and the inner surface of the adjustment protective pad define an interior region of the helmet wherein the user's head is introduced. The adjustment mechanism includes a lower rear shell portion having a clutching mechanism that allows the user to manually adjust the size of the interior region via a strapping system of the helmet to couple snugly around the user's head. The clutching mechanism also prevents the interior region from being easily altered in the absence of manual adjustment to the adjustment mechanism. The strap includes a hard end material that engages the adjustment mechanism and a flexible, durable and tough material that conforms to a wearer's head.

Abstract: A protective helmet, particularly for sports and work use, including a rigid outer shell which itself comprises a front cap having a concavity able to cover at least the upper part of the cranium, and a rear cap having a concavity able to cover the rear part of the cranium. The caps are mutually movable, the rear cap being connected to the front cap in such a manner as to rotate relative to the front cap about an axis transverse to the vertical plane of symmetry of the cranium, between a raised position and a lowered position.

Abstract: Disclosed is a fit adjuster for a neckband type headset, which includes a headset band and a pair of earpieces connected to both ends of the headset band and placed on the ears of a user. The fit adjuster includes at least one opening formed at a stress concentration portion of the headset band; and an adjustment pin inserted into the opening to be movable in a longitudinal direction of the opening.

Abstract: A respirator mask has a removably mounted support frame that adjustably and removably mounts a corrective lens frame. The corrective lens frame further has a molded bridge with a biasing member embedded therein. A pivotal tab on the support frame is received in one of a plurality of detents on the lens frame for releasably securing the lens frame in the desired position on the support frame. Laterally disposed mounting lugs on the support frame are received in integrally molded pockets in the respirator mask.

Abstract: A hockey helmet (20) comprising a front helmet portion (22) and a rear helmet portion (24) disposed to be moveable relative to each other so as to define an internal cavity of varying volume, a securing member (26) being mounted to a location on the front helmet portion (22) adjacent the temple thereof, the securing member (26) being slidable between a first or open position and a second or closed position, the rear helmet portion (24) having a restraint (28) configured and disposed to be complimentary to the securing member (26) such that when the securing member (26) cooperatively engages the restraint (28), the relative displacement of the front helmet portion (22) and the rear helmet portion (24) is inhibited. The restraint (28) comprises a number of positions in which the securing member (26) can be cooperatively engaged such that the volume of the helmet (20) may be modified.

Abstract: A fixing structure for safety helmet fastening strap, including a frame body mounted under a bottom of a helmet shell. The frame body has multiple fixing seats each of which is formed with a passage and an opening through which a fastening strap can pass. The fixing seat has arms extending from the fixing seat. The fixing seats are securely connected with the frame body with better load capability. Accordingly, the fixing seats can bear the extrusion force of the injection molded foam material without deflection or displacement. The helmet shell, the frame body and the fixing seats are bonded with a foam material filler to together form an integrated body. The arms of the fixing seats help the fixing seats and the frame body to hold the foam material filler.

Abstract: A cap-like head backing cover includes a plurality of types of cover components. The plurality of types of cover components include cover main body portions, and connecting means capable of separably connecting and combining the cover main body portions of one of the cover components to and with the cover main body portions of another at least one of the cover components. The cover main body portions of the plurality of types of cover components are connected to and combined with each other by the connecting means, to form the cap-like head backing cover which includes the plurality of types of cover components and is independent. With the helmet having this arrangement, even when a helmet wearer whose head shape is different from that of an average human head is to wear the helmet, the helmet can be matched to the head of the helmet wearer substantially optimally. The helmet size can be not only partially decreased but also partially increased.

Abstract: A protective sport helmet, such as for lacrosse, includes a hard shell portion, a lining portion, and an adjustment mechanism. The inner side of the adjustment mechanism includes an adjustment protective pad. Together, the lining portion and the inner surface of the adjustment protective pad define an interior region of the helmet wherein the user's head is introduced. The adjustment mechanism includes a lower rear shell portion having a clutch mechanism that allows the user to manually adjust the size of the interior region via a strapping system of the helmet to couple snugly around the user's head. The clutching mechanism can prevent the interior region from being easily altered in the absence of manual adjustment to the adjustment mechanism. The strap includes a hard end material that engages the adjustment mechanism and a flexible, durable and tough material that conforms to a wearer's head.

Abstract: A helmet (20) comprising a mechanism (28) to increase or decrease the internal volume thereof through the displacement of one or more portions (32) of the protective material (24) lining the helmet shell (22). The adjustment mechanism (28) is mounted on or adjacent the shell (22) of the helmet (20), from which project one or more connectors (30) which are operationally connected to the movable portions (32) of the protective material (24). When the adjustment mechanism (28) is activated, for example clockwise or counterclockwise, the connectors (30) are displaced, which causes the movable portions (32) of the protective material (24) to either be displaced away from the shell (22) of the helmet (20) or towards the shell (22) of the helmet (20) and thus allowing for a fine tuning of the fit of the helmet (20) on a player's head.

Abstract: A protective helmet is composed of an external crown made from plastic material, and a semi-rigid neckband adjustable by adjustment means. To ensure that the helmet is efficiently secured on the user's head regardless of his or her hair-style, the neckband is in the shape of an Omega composed of lateral securing zones and a curved central part for free passage of the user's hair worn in a pony tail. The ends of the lateral securing zones of the neckband are joined to the adjustment means.

Abstract: An article of protective apparel for placement on and protection of a portion of the body of a user includes a protective shell and bi-directional device that receives a first and second line that each extend to the shell. Rotation of a control handle of the bi-directional device causes portions of the lines to be drawn into the device, thereby tightening the protective shell about the user. Optionally, the article is a helmet for having an adjustable chin strap that is capable of being tightened by manual rotation of the control handle of the device. Optionally, the article of protective apparel is capable of being loosened by manual positioning of the control handle into a release position.

Abstract: A head strap for helmets, particularly welders' helmets, is configured in three parts and can therefore be provided with a separate forehead band. The head strap offers the possibility of connecting the helmet with the head strap in resilient or fixed manner, and, in this connection, of displacing the helmet relative to the head strap and/or rotating it between defined positions. Additional convenient adjustment possibilities for the back-of-the-head band and the head band are also implemented.

Abstract: This protective helmet comprises a rigid or semi-rigid external shell comprising a plurality of rigid or semi-rigid flaps joined together and a compressively deformable internal liner acting as a shock absorber, the latter also comprising several elements associated with said flaps. At least some of the flaps that constitute the external shell are capable of moving relative to each other at their respective means of connection and the elements that constitute the internal liner associated with the flaps in question are designed so that they retract inside the volume defined by the helmet during relative displacement of the corresponding flaps.

Abstract: Headgear of the type having an outer layer and a relatively flexible inner layer includes a belt which extends around the inner layer within the outer layer, and a tensioning device which can tension the belt causing the belt to urge the inner layer inward away from the outer layer and against the helmet wearer's head. Preferably, the tensioning device includes a chinstrap assembly releasably fastened to the front of the helmet.

Abstract: A surgical garment includes a head gear apparatus for supporting a face shield and shroud. The head gear apparatus includes a helmet that supports a fan assembly, and that defines forward and rear ventilation passageways. The helmet includes a chin bar that defines a centrally located slot, and an upper ledge. The upper edge of the face shield contacts the upper ledge, while the lower edge of the shield includes a tab that extends through the slot. The chin bar and face shield include a plurality of magnetic elements that magnetically connect the lower edge of the face shield to the chin bar. The helmet is suspended from a strap assembly that is carried directly on the head of the wearer. The strap assembly includes an adjustable occipital support that bears against the occiput of the wearer. The face shield can include a plurality of film layers that can be removed when soiled.

Abstract: A protective sport helmet having an interior liner capable of conforming to the head of the wearer in the fore and aft direction and/or the side-to-side direction is disclosed. The sport helmet can comprise a protective outer shell and an inner energy-absorbing liner. The liner can comprise a top portion and a base portion flexibly connected therebetween to adjust the fit of the helmet to the head of a wearer in the fore and aft direction. The liner can comprise a side liner portion and the outer shell can comprise a slider mechanism for engaging the side liner portion to adjust the fit of the helmet to the head of the wearer in the side-to-side direction. The liner can comprise a plurality of grooves to transfer energy across the liner material.

Abstract: A helmet having a helmet shell including cooperating first and second sections in slidable engagement with one another, at least one locking assembly inter-connecting the first and second sections, the locking assembly including a pivoting member pivotable between a locked position and an unlocked position, the pivoting member in the locked position pressing the shell sections against one another such as to prevent a relative sliding motion therebetween, the pivoting member in the unlocked position allowing the relative sliding motion, and at least one engagement member connected to the first shell section and removably engaging the pivoting member in the locked position to prevent accidental movement of the pivoting member toward the unlocked position.

Abstract: An adjustable fitting ring structure includes a connecting base, a fitting ring, a guiding part, and an adjustable part. The connecting base has a receiving slot. There's a plurality of concave wedged slots on the receiving slot. The end portions respectively pass through the connecting base and each have a long slot. A gear portion is located in the long slot. The guiding part includes a base portion, a gear, and a plurality of flexible arms. Each of the flexible arms has a wedged body that contacts the wedged slot. The adjustable part is pivoted with the base portion to make the guiding part rotate so that the two end portions move in the same direction or in different directions. Thereby, the dimension of the fitting ring can be adjusted. It is easy for users to adjust the fitting ring. The structure is simplified and the assembly process is simple.

Abstract: Mask apparatus and methods for providing positive airway pressure therapies are disclosed. The mask apparatus includes a mask secured to the mount with the mask cantilevered from the mount. A circumferential band, a first lateral stabilizing band and a second lateral stabilizing band secure the mount to the head of a user. The methods include securing a mask apparatus to the head of a user and administering a positive airway pressure therapy.

Abstract: A helmet adjustment mechanism is adapted to adjust the size of a helmet having first and second retention members (e.g., plastic straps) movable with respect to each other. The adjustment mechanism includes an actuating member (e.g., a pinion) coupled to at least one of the retention members and movable (e.g., rotatable) in two directions to move at least one of the retention members relative to the other. A clutch mechanism is coupled to the actuating member and includes at least one locking member (e.g., two locking members) that inhibits movement of the actuating member in both of the two directions. The adjustment mechanism also includes a release mechanism (e.g., including a rotary dial) adapted to move the locking member from a locked position to an unlocked position to allow movement of the actuating member. When the actuating member is being moved, the adjustment mechanism also provides a ratcheting detent.

Abstract: In a protective helmet, especially a bicycle helmet, having a head band made of plastic, which is fastened to the helmet calotte and which is height adjustable for adapting to the head anatomy of the wearer, provision is made that the head band is supported on both sides of the helmet calotte so as to be pivotable and that extensions are provided that extend at both end regions of the head band approximately perpendicular to the same toward the top and interior of the helmet, which engage into holding elements that are fixed in the helmet calotte, the extensions being adjustable lengthwise relative to the holding elements.

Abstract: A suspension system and chin strap assembly for a helmet including two downwardly extending top straps; strap adjusters coupled proximate the end portions of each top strap; a helmet attachment means coupled to each of the top straps; a headband coupled to each of the top straps; a front strap that is adjustably coupled to a first front strap adjuster and a second front strap adjuster; a nape pillow pad is coupled to the front strap, and a portion of a quick release buckle and a strap ring are slideably coupled to the front strap; a chin strap coupled to the quick release buckle and a strap ring; and a back strap that is adjustably coupled to a first back strap adjuster and a second back strap adjuster and attached to a nape pillow pad.

Abstract: A replacement pad kit for use in an Advanced Combat Helmet (ACH) system helmet comprises a plurality of replacement pads for disposition within an ACH helmet. At least one of the replacement pads comprises a fabric layer for contacting the skin of a wearer, an anti-bacterial hydrophilic foam layer, a shock absorption SRF foam layer, and a hook and loop fastener material for engaging some of the plurality of pad receiving hook and loop type fasteners.

Abstract: A helmet for an aircraft pilot is provided including an inner shell and a liner attached to the inner shell configured to closely contact the pilot's head. The helmet also comprises adjustable tensioning means disposed at the rear of the helmet configured to tension the inner helmet and liner onto the pilot's head, to secure and locate the helmet in place on the pilot's head.

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: An article of protective apparel for placement on and protection of a portion of the body of a user includes a protective shell and bi-directional device that receives a first and second line that each extend to the shell. Rotation of a control handle of the bi-directional device causes portions of the lines to be drawn into the device, thereby tightening the protective shell about the user. Optionally, the article is a helmet for having an adjustable chin strap that is capable of being tightened by manual rotation of the control handle of the device. Optionally, the article of protective apparel is capable of being loosened by manual positioning of the control handle into a release position.

Abstract: Hockey helmet for receiving a head of a wearer, the helmet comprising: (a) a front shell for facing the crown region of the head; (b) a rear shell for facing the left and right side regions, the back region and the occipital region of the head, the rear shell comprising outer and inner surfaces and left and light elongated slots positioned symmetrically about a longitudinal axis of the helmet; (e) a rear inner pad for facing the back and left and right side regions of the head, the rear inner pad being affixed to the inner surface of the rear shell; (d) an occipital inner pad located between the rear shell and the occipital region of the head; (e) a central member extending along the longitudinal axis of the helmet, the central member comprising an upper part that is hingely mounted with respect to the rear shell and a lower part that is mounted to the occipital inner pad; and (f) left and right wedging members located between the occipital inner pad and the inner surface of the rear shell, each of the left a

Abstract: A structure for adjusting inside circumference of a helmet is implemented as a strap assembly coupled to a rear side of a safety helmet or bicycle helmet and includes a casing and a cover fitted therein. The cover is sequentially connected with a transmission gear, a resilient element, a positioning gear and a knob. By pressing the knob, the positioning gear is disengaged from toothed portions on an inner periphery of the cover, thereby allowing the knob to rotate an end of the transmission gear. Consequently, a first driving portion of the transmission gear drives two straps inserted in the casing to move toward or away from each other. The knob is released after a relative position of the straps is adjusted. The resilient element returns the positioning gear into engagement with the toothed portions on the inner periphery of the cover.

Abstract: A helmet includes, a body, a retention system, and a fit system. The fit system includes a hanger extending from the body and a base configured to be coupled to the hanger at one of a plurality of attachment points on the hanger to adjust the position of the base relative to the body. The fit system also includes a plurality of arms extending from the base and an adjustment mechanism operable to regulate the position of the base relative to a front portion of the body.

Abstract: A protective helmet is composed of an external crown made from plastic material, and a semi-rigid neckband adjustable by adjustment means. To ensure that the helmet is efficiently secured on the user's head regardless of his or her hair-style, the neckband is in the shape of an Omega composed of lateral securing zones and a curved central part for free passage of the user's hair worn in a pony tail. The ends of the lateral securing zones of the neckband are joined to the adjustment means.

Abstract: A protective helmet is composed of an external crown made from plastic material, and a semi-rigid neckband adjustable by adjustment means. At least one end of the neckband is joined to the crown by a sliding mechanical link comprising position indexing means controlled from a slide able to be moved from the outside in a slit of the crown. The indexing means are formed by a rack molded directly along with the crown.

Abstract: An adjustment mechanism for a helmet. A first sliding surface is defined in a first portion of the helmet and includes an opening. A second sliding surface is defined in a second portion of the helmet. Two spaced apart arms extend from the second sliding surface. The first and second sliding surfaces are in sliding engagement with one another with the arms sliding within the opening. A lever is pivotally connected to the first portion in proximity of the opening and pivotable between a locked position and an unlocked position. The lever has a series of regularly spaced apart parallel teeth which in the locked position protrude through the opening with at least a selected one of the teeth being engageable between the two spaced apart arms to prevent the first and second sliding surfaces from sliding relative to one another.

Abstract: In a protective helmet, especially a bicycle helmet, having a head band made of plastic, which is fastened to the helmet calotte and which is height adjustable for adapting to the head anatomy of the wearer, provision is made that the head band is supported on both sides of the helmet calotte so as to be pivotable and that extensions are provided that extend at both end regions of the head band approximately perpendicular to the same toward the top and interior of the helmet, which engage into holding elements that are fixed in the helmet calotte, the extensions being adjustable lengthwise relative to the holding elements.

Abstract: A helmet including a structure for protecting the user's head, a comfort structure positioned between the user's head and the protective structure, and a customization structure arranged between the protective structure and the comfort structure, the customization structure making it possible to vary the inner volume of the helmet depending upon the user's morphology. The customization structure includes a thermoplastic envelope made of a polymeric material of the polycarbonate, polyurethane, or polypropylene type, to which an additive of the caprolactone type is added in order to lower the softening temperature thereof. The proportion of the additive in the material of the envelope ranges between 30% and 90% or between 50% and 80%. A free space can be provided between the envelope and the protective structure for the head, such free space remaining empty and having a depth ranging between 2.0 mm and 5.0 mm, such as approximately 3.0 mm.

Abstract: “This protective helmet comprises a rigid or semi-rigid external shell comprising a plurality of rigid or semi-rigid flaps joined together and a compressively deformable internal liner acting as a shock absorber, the latter also comprising several elements associated with said flaps. At least some of the flaps that constitute the external shell are capable of moving relative to each other at their respective means of connection and the elements that constitute the internal liner associated with the flaps in question are designed so that they retract inside the volume defined by the helmet during relative displacement of the corresponding flaps.

Abstract: A distributed array of force sensors disposed in the inner lining of a safety helmet measure forces between the inner periphery of the helmet and a user's head, and a microcontroller responsive to the force measurements and other sensor data determines if the helmet fits the user properly. The force sensors are preferably provided at the front, back, sides and top of the inner lining, and the microcontroller compares the measured forces to calibrated threshold values to evaluate and indicate the fit of the helmet.

Abstract: A safe protective sports helmet is provided which includes a hat body, the hat body is provided therein with a circle of a head encircling element, and is provided rotatably thereon with a rotatable adjusting button. The head encircling elements and the rotatable adjusting button are movably connected with each other. By rotating the rotatable adjusting button, the head encircling elements can be adjusted to fit the head size of a user.