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.

Abstract: A protective helmet, particularly for sports and work use, comprising a rigid outer shell which itself comprises a front cap (2) having a concavity able to cover at least the upper part of the cranium, and a rear cap (3) having a concavity able to cover the rear part of the cranium. Said caps (2, 3) are mutually movable, the rear cap (3) being connected to the front cap (2) in such a manner as to rotate relative to this latter about an axis (A) transverse to the vertical plane of symmetry of the cranium, between a raised position and a lowered position.

Abstract: An adjustable protective helmet for sporting activities comprising a first and second shell component, each having respective cooperating overlapping segments extending transversely across the top portion of the wearer's head for connecting together to form a helmet shell assembly circumscribing the wearer's head. The shells are movable relative to one another in the overlapping segments to provide size adjustability of the helmet. The protective helmet includes a shock absorbing pad assembly inside comprising at least two padding sections, one padding section comprising an opening, the other padding section comprising an extension loosely fitting within the opening and shaped to allow relative longitudinal motion between the padding sections; the padding sections further comprising stopping means to limit the relative longitudinal motion between them.

Abstract: An adjustable helmet, particularly a cyclist's helmet having at least one longitudinal spar which is intended to be positioned above the parting, two end pieces one of which is intended to be positioned above the forehead and the other one above the back of the head. Guides between the end pieces and the longitudinal spar which are aligned approximately in parallel with the parting. Two lateral elements which are intended to be positioned above the temples, guides between the end pieces and the lateral elements which are aligned obliquely to the parting, and an adjusting and/or locating device for the relative position of the longitudinal spar, end pieces, and lateral elements.

Abstract: An adjustable protective helmet for sporting activities comprising a first shell and second shell, having respective cooperating inner and outer overlapping portions extending transversely across the top portion of the wearer's head for connecting together the shells to form a bowl shaped shell assembly circumscribing the wearer's head. The shells are movable relative to one another in the overlapping portions to provide size adjustability of the helmet. The helmet includes a shock absorbing liner inside the shell assembly. The shell assembly comprises a ramp defined by a plurality of raised formations on the inside surface of the shell assembly, that is adjacent and facing a free edge of the inner overlapping portion thereby increasing the contact surface area between the liner and the shell assembly around said overlapping portions in order to reduce the concentration of force of an impact in the vicinity of the overlapping portions.

Abstract: A headgear fitting and accessory system is disclosed for use with headgear having a forward portion, a rearward portion, two lateral portions, a continuous lower rim and an upper crown. The headgear fitting and accessory system includes a flexible pad configured to be positioned within the interior of the headgear. The pad has a lower ring-forming portion configured for placement adjacent the headgear lower rim. The pad may incorporate one or more suspension straps extending from the lower ring-forming portion and configured for placement adjacent the headgear upper crown. The pad may also be provided with one or more sizing flaps pivotally connected to the lower ring-forming portion and configured for placement between a folded position wherein the sizing flaps are folded between the ring-forming portion and the headgear, and an unfolded position wherein the sizing flaps are not folded between the ring-forming portion and the headgear.

Abstract: Crown pad of flexible material including a central body portion and a plurality of radially disposed members for flexing inwardly to conform to the crown of a person's head. The crown pad is for being connected to the central portions of head straps residing interiorly of a head-protective helmet. The flexible crown pad may be compressible causing the crown pad to attenuate or absorb some force or energy upon an object striking the helmet. A head-protective helmet in combination with such crown pad.

Abstract: The invention relates to an adjustable helmet having a front shell and a back shell that are movably secured to one another and that comprise engaging members that may be held together by a locking mechanism comprising a cam that pivots about an axis extending in a direction that is substantially parallel to a side portion of the helmet. The locking mechanism of the present invention has the advantage of exerting a compressive force on a substantial portion of the engaging members thereby providing a more solid engagement. The locking mechanism also has the advantage of being easily replaceable by a conventional mounting screw assembly. The helmet of the present invention is particularly well suited for use in hockey or other like sports.

Abstract: The protective headgear, such as a catcher's/umpire's headgear, is defined by a forward substantially concave rigid shell and a rear substantially concave rigid shell articulately interconnected together adjacent upper portions thereof. Resilient straps snap-secure opposite lower side portions of the forward shell to opposite lower edge portions of the rear shell. A rigid framework having a relatively large view opening is fastened to a view opening of the forward shell to afford maximum visibility to the user.

Abstract: An accessory such as a welding helmet is attached to a protective cap by means of a continuous band mounted to the inside of the accessory. The band is in the form of two pieces having overlapping ends which are adjustably connected together to accommodate different size protective caps. A hook structure may be provided on the band for hooking around the lower edge of the protective cap.

Abstract: An integrated helmet system for presenting the wearer with visible images in which an outer helmet providing a surface on which the images are projected is adapted to be assembled on the frame of an inner helmet having a headband on which the frame is mounted for adjustment in front to back and side to side directions. A fixture adapted to be mounted on the frame provides a simulation of the images to be presented to the wearer on a surface positioned in front of the frame at a distance equal to the distance between the frame and the outer helmet viewing surface when the outer helmet was assembled on the frame, thus to permit the frame to be adjusted relative to the headband so that the outer helmet viewing surface is properly positioned with reference to the wearer's eyes when the outer helmet is assembled on the inner helmet.

Abstract: A protective helmet assembly including an outer impact shell and an inner impact attenuation liner assembly wherein the inner liner assembly includes an adjustable headband assembly comprised of a front headband member and a rear spring-loaded headband member under the control of a chinstrap into a fitted configuration about the head of the user by a clip assembly. The inner impact attenuation liner assembly is mounted within the outer impact shell to separate therefrom under predetermined load conditions.

Abstract: The invention relates to a single-shell helmet made from a styrene or polystyrene-based foam plastic. Unlike in the case of the hitherto known one-piece helmets of this type, the invention subdivides the helmet into shell parts, which are integrated together by means of hinged areas and can be easily adapted to different head sizes by means of an adjusting system.

Abstract: A head protection or helmet suspension is shown having a ratchet adjustment apparatus for the adjustment of the suspension size where the ratchet apparatus is comprised of three parts, all pre-molded of resilient plastic material and having a pre-molded spring fixed around the center of the adjustment knob to engage pins in the ratchet case to lock the suspension size in position. The assembly has no metal parts and is therefore suitable for use around electricity and electrical apparatus.

Abstract: An adjustable head band suspension system for use in a safety hat shell is disclosed. The suspension system includes a head encircling head strap having overlapping rear end portions and an arc shaped channel adapted to fit the back of a wearer's head. The overlapping end portions of the head strap are slidably disposed in the channel. A suitable adjusting device, such as a rack and pinion or buckle is attached to the channel to adjust the amount of overlap of the end portions. The channel is attached by means of a pair of tabs to a rear interior surface portion of the shell and a front end portion of the head strap is connected to a forward interior surface portion of the shell. A manually compressible, resilient buckle assembly is disclosed which can be used by itself for adjusting and maintaining the desired length of overlap of the overlapping end portions of a head strap or which can be used in association with the arc shaped channel as a central portion thereof.

Abstract: A lightweight protective headgear having ventilating qualities and having an outer shell, an elastomeric liner with a plurality of elastomeric members arranged with airspace therebetween and a porous material to keep the wearer's hair from filling the airspace between said elastomeric members. The elastomeric members have a base and a surface tapering towards a truncated apex and are arranged in a loosely fitted side by side pattern with their small ends directed axially inward for engaging the head of a wearer and with their large ends engaging the inside of the outer shell. The elastomeric members vary in height to conform the liner to the wearer's head and are arranged along the inside of the outer shell in front to back rows having greater spacing between the rows than between the elastomeric members in the rows.

Abstract: A shock attenuation structure having a breadth greater than its thickness and a breadthwise cross section comprising a series of layers arranged side-by-side. The series of layers comprises a first plurality of layers of shock-absorbing material having a relatively high resistance to compression and a second plurality of layers of shock-absorbing material having a lower resistance to compression, the layers of the second plurality alternating with the layers of the first plurality across the breadth of the structure and providing lateral support to the layers of the first plurality. The structure is adapted to be mounted with its breadth generally perpendicular to the direction of impact force for broadside loading of the structure during an impact, the layers in the area of impact being adapted to deform for attenuating the shock resulting from the impact.

Abstract: A helmet having a front shell and a rear shell movable with respect to each other. Portions of the two shells overlap each other and present mating surfaces which can engage to retain the shells in a given overlapping position and can disengage to allow the shells to change their relative position. A device is provided for selectively (a) holding the mating surfaces in engagement, or (b) releasing them to disengage.

Abstract: A shock attenuation system comprising a plurality of shock attenuating columns of a substantially resilient elastomeric material. The columns are so dimensioned and configured that, when subjected to an axial impact force of predetermined magnitude, they resiliently deform for attenuating the shock resulting from the impact force. The columns then spring back substantially to their undeformed shape.

Abstract: This invention relates to a helmet for cyclists, skateboard runners and roller skaters. It comprises a shell of flexible and hard plate-shaped material and a damping means attached inside the shell. The shell in its plane has the form of an I, with extended cross-pieces (3) and with tips (3) attached radially between the same, which tips extend from the connecting between the cross-pieces and the stem of the I. About at the center of said stem lateral tips are attached to both sides. The cross-pieces and tips are provided with attachment means in such a manner, that the free ends of one cross-piece after the bending of the stem can be connected to the free ends of the other cross-piece. The free ends of the tips can be attached to suitable holders on the lateral tips.The cross-pieces, tips and lateral tips can be designed as bands, and the attachment means be arranged so that the width and size of the shell can be adjusted.

Abstract: The invention relates to a padding allowing an article of clothing or an accessory to be adapted closely to a part of the human body.This padding is constituted by a thermo-formable plastic foam 2 placed in a non-extensible covering 1 and making an open cavity intended to receive the part of the body, but of which the dimensions are generally smaller than this part of the body. The housing is thus formed by the reciprocal compression of the foam and of the part of the body placed in the cavity while the temperature of the foam is brought to the thermo-forming temperature.This invention can be used for adapting boots, helmets, gloves, swimming flippers, etc.

Abstract: A hockey helmet is provided, which comprises a plurality of pieces joined together in such a manner that the helmet is adjustable over a wide range of sizes. A pair of side pieces is provided, to which are attached a front and back piece, and over which a top piece is secured. The helmet is adjustable in length, width and height, to accommodate various sized heads. A plurality of structural ribs are formed in the helmet to distribute and absorb forces, and a force absorbing liner is provided within the helmet. A plurality of ventilation openings are included, to keep the inside of the helmet cool.

Abstract: A helmet comprises a helmet lining; a helmet shell and an impact absorbing crash element for interposition between the helmet lining and a helmet shell, the helmet lining comprising a curved first part adapted to cover the nape of the neck and a curved second part adapted to cover the forehead, the first and second part being interconnected and arranged to be detachably secured to the crash element. The helmet lining is an example of a number of uses of an item of headgear to which accessories can be attached.

Abstract: A headgear comprising a helmet shell and a combination of energy-absorbing and sizing means mounted on the inside surface of the shell. The combination includes a crown-engaging structure either in the form of a web suspension or an air-inflatable means. These pad structures comprise curved assemblies which engage the forehead and back of the wearer's head and the pad structures enable automatic alignment of the helmet along the long axis of the head whereby the air-inflatable side members are operated after the helmet has been put on the head. Air inflatable sizing means are located intermediate the pad structures at the front and back of the shell, and these sizing means engage the respective sides of the werer's head to provide a side-to-side fit on the head. A combination serving as a sizing means and energy-absorbing means is located on the lower rear inside wall of the shell. Separate energy-absorbing pad structures are located on the front and back inner walls of the shell.

Abstract: A head band for a hard hat and including a nape strap of a material conforming to the head and held away from the head band against the nape area by two stiff strut members.

Abstract: A helmet assembly which accurately positions a portable visual display unit carried by the helmet shell thereof in a predetermined position relative to the eye of the wearer. The outer shell and an inner helmet assembly adapted to fit relatively closely over the wearer's head each have portions overlying the wearer's forehead which are maintained in predetermined spaced relationship with each other by readily releasable adjustable fasteners.

Abstract: Protective equipment for the head, body, or the like, having at least one module comprising levers and displaceable bearing means.

Abstract: An improved protective helmet for use by an infantryman or the like in which a suspension frame of relatively rigid material has a peripheral channel provided at one location around the frame with a slightly inwardly inclined portion adapted to receive a slightly outwardly directed portion of the edge of a rigid outer ballistic helmet body to permit the body to be swung to a position in which the entire edge thereof is received in the channel and in which position the body is securely held by a single fastener. The frame is formed with a plurality of generally upwardly extending fingers which removably receive envelopes carrying pads of resilient material which adapt the frame to accommodate a range of head sizes. A light line or cord is threaded through holes and slots around the frame releasably to secure both the crown assembly straps and the chin strap supports to the frame while maintaining the positions of the strap ends at predetermined locations around the frame.