Abstract: A method of installing a stack of two or more lenses on a curved substrate includes placing a moldable covering on a curved substrate, the moldable covering including a stack of two or more lenses, an adhesive layer interposed between each pair of adjacent lenses from among the two or more lenses, and a sacrificial layer disposed on an outermost lens of the stack, the sacrificial layer including a sacrificial lens and a sacrificial adhesive interposed between the sacrificial lens and the outermost lens of the stack. The method may include applying heat and pressure to the sacrificial layer and peeling off the sacrificial layer to reveal the stack of two or more lenses.

Abstract: A tear-off capture system includes an eye protector with a base lens. The eye protector has a retention mechanism mounted on one side, and a support mechanism that supports the eye protector on the head of a wearer. A two-tabbed stack of laminated tear-off lenses mounts to the eye protector via an adhesive. The stack mounts so that the first tab of the stack aligns with the first side of the eye protector and the second tab engages with the retention mechanism. Via the second tab and the retention mechanism, released tear-off layers are directed toward the second side of the eye protector away from the base lens. A capturer helps hold the initially released tear-off layer to the eye protector. An exposed tacky surface on each released tear-off helps hold the subsequently removed tear-off layers.

Abstract: An eyewear with an adjustable indication of vision field comprises an eyewear frame having a right side and a left side opposite the right side, a shade positioning assembly attached to one of the right side and the left side of the eyewear frame, and a shade attached to the eyewear frame at the shade positioning assembly. The eyewear frame has a pair of lens areas positioned between the right side and the left side and adapted to be aligned with a pair of eyes of a user. The shade is formed of a transparent material. The shade is movable along the shade positioning assembly to a plurality of positions among which the shade covers a varying amount of one of the lens areas.

Abstract: Headphones are disclosed that include a first earcup assembly and a second earcup assembly. The headphones include a headband extending between the first and second earcup assemblies. The headband includes opposing ends attached to the first and second earcup assemblies, respectively. The first earcup assembly includes a first cushion coupled to an earcup. The first cushion includes a first portion that is acoustically open. The first cushion also includes a second portion acoustically sealed from the first portion.

Abstract: A pair of goggles with a lens assembly, a goggle frame, and at least one lens retention shelf is disclosed. The lens assembly includes a lens with a projection extending from the assembly. The goggle frame is made of a first material and has a frame aperture sized large enough to receive the projection from the lens assembly through it. The lens retention shelf is made of a second material harder than the first material and is disposed behind the frame. The first lens retention shelf includes a projection connector corresponding to the projection, the projection connector is aligned with the frame aperture and sized sized to receive and engage the projection with the goggle frame interposed between the lens retention shelf and the lens.

Abstract: A sensor apparatus includes a housing, a LIDAR sensor attached to the housing, a window attached to the housing, and a film covering the window and removable from the window. The window may be cylindrical. The film may be a first film, and the sensor apparatus may include a second film covering the first film and removable from the first film.

Abstract: A mud visor formed by a substantially transparent sheet is attached to a goggle lens. The mud visor may be attached to the goggle lens using a substantially transparent adhesive or adhesive tape. Thus, the mud visor may provide clear and improved field of view for the user. Further, the mud visor may be configured to cover and guide a top portion of a roll-off film as the roll-off film is conveyed across the goggle lens. A top portion of the mud visor may be inserted into the lens groove of a goggle frame along with the goggle lens when the goggle lens is attached to the goggle frame. The mud visor also may stretch across the goggle lens and overlap with film canisters at both sides to provide a seamless coverage to prevent mud from entering behind the mud visor or the roll-off film.

Abstract: A retainer lens of shape and dimensions configured to be releasably secured in the front opening of a face plate or helmet has a window opening configured for positioning in front of the eyes of a wearer of the face plate or helmet. An outer protective cover is configured to be secured over the window opening by means of scrap-book like frame corners located on the front surface of the retainer lens and spaced outwardly from respective corners of the window opening. The corners of the outer protective cover are releasably engaged with respective frame corners, so that the cover can be removed from the outside of the face plate as needed for replacement with a new outer protective cover, simply by removing the corners of the current outer protective cover from the respective frame corners, and then engaging a new outer protective cover into the frame corners.

Abstract: A pair of swim goggles include a connecting frame being assembled with a left lens frame and a right lens frame and a head strap, characterized in that the left and the right lens frames respectively have a lens and a frame body, an upper side and a lower side of the frame body respectively provided with a track thereon, the connecting frame including a first rib and a second rib spaced apart from each other and respectively defining a connection part thereon for being detachably coupled with the respective track, whereby the left and the right lens frames are detachably and separately assembled with the respective first rib and second rib and therefore are slidable with respect to the first and the second ribs though the track.

Abstract: Lens assemblies and goggles are disclosed. One example goggle includes a lens assembly. The lens assembly includes a lens and a ventilation shutter configured to cover vent openings of the lens in a first position and expose the vent openings of the lens in a second position. The shutter has substantially the same transparency as the lens and is slidably attached to the lens by a button. The button extends from an exterior lens surface through the lens to an interior lens surface and has a button end configured to extend through the shutter.

Abstract: Disclosed is a sport goggle that includes a latching mechanism for a user to quickly release a lens from a frame without tools. The lens is released from the frame by pressing a button surface which bends a spring member in the frame unlocking the lens.

Abstract: Embodiments relate generally to a replaceable lens cartridge for use with a face mask, for example a respirator. The cartridge comprises a plurality of molded lenses, each lens sized to extend over one or more eyes of a wearer and typically having a curved shape and a plurality of catches; and a molded carrier mounting the lenses in stacked arrangement, the carrier having a first set of catches receiving the catches on one of the lenses.

Abstract: A novel removable lens strip system suitable for use with goggles and helmets is disclosed, wherein lens strips may be easily removed from the goggle lens or helmet shield as the strips become soiled, and thus obstructing the user's vision. More specifically, a guide piece is employed that shields underlying removable lens strips from being inadvertently removed.

Abstract: The invention relates to an eye protection cap to protect an eye of a person to be treated against electromagnetic radiation, in particular against laser radiation. The eye protection cap comprises a dimensionally stable shaped body, which has a free edge for adjacent arrangement in relation to the person to be treated, limits a hollow shaped body interior, is formed from a silicone material and has a self-holding region for independent holding on the person to be treated.

Abstract: Disclosed herein are industrial goggles. The goggles include a main body having protective glass and formed to correspond to a curvature of a face. A cover is hinged to one side of the front of the main body. A film unwinding roll has a film thereon. An unwinding-roll holding part vertically holds the film unwinding roll on one side of the main body and includes a stationary locking step, a movable locking step, and an elastic spring. A film winding shaft is provided vertically on the other side of the main body to wind the film from the film unwinding roll. A film feeding lever is coupled to the film winding shaft in a gear coupling manner and hinged to the main body. A ratchet means prevents the film feeding lever from rotating in a reverse direction. An elastic support member supports the main body against the face.

Abstract: A face and eye covering device includes a face cover configured for covering the nose and mouth of a wearer. The face cover is air permeable to allow the passage of air therethrough to facilitate breathing when worn over the wearer's nose or mouth. An eye shield is coupled to the face cover. The eye shield includes a lens and a lens protector releasably coupled to the lens. At least a portion of the lens and lens protector are transparent to allow visual perception therethrough.

Abstract: A helmet shield coupled to a front opening of a helmet includes a lens unit provided to face a front of the front opening; a frame unit provided along a circumference of the lens unit; and a ventilation unit provided at both sides of the lens unit for communication between an inside and an outside of the helmet shield.

Abstract: Swimming goggles include a frame body, lenses received in the frame body, and buckles assembled on a left side and a right side of the frame body. Each buckle includes a first cover and a second cover assembled together for accommodating and positioning a head strap, and a manipulation element mounted between the first cover and the second cover. The manipulation element has a bias bar and a manual bar interacting with each other to form an L shape for pivoting the first cover with the second cover according to the lever principle, a link arm extending axially from the manual bar, and a first flexible arm and a second flexible arm extending obliquely from opposite ends of the link arm in opposite direction. The first flexible arm and a second flexible arm respectively form a first pressing portion and a second pressing portion.

Abstract: A structure for securing a secondary goggle frame is provided. The structure is characterized by a connector configured for connecting the secondary goggle frame to a primary goggle frame. The primary goggle frame has a central nose support whose inner edge is formed with plural ribs for engaging with plural recesses on a side of the connector. The secondary goggle frame has an engaging section which can be inserted in a groove of the connector such that a fastening portion of the secondary goggle frame is fastened with a fastening hole of the connector. The components of the structure are simple and can be easily assembled to allow the secondary goggle frame fitted with vision correction lenses to be securely and stably positioned in the primary goggle frame.

Abstract: A method and apparatus for removing debris from a transparent film across a permanent lens. The apparatus includes a transparent film perforated at predetermined intervals along the length of the film, a canister for holding the transparent film, the canister being adapted for placement adjacent one side of the lens, and a film engagement means for engaging a free end of the transparent film. The engagement means is adapted for placement adjacent an opposite side of the permanent lens, thereby allowing the transparent film to extend substantially across the permanent lens, wherein the transparent film is partially supported in position by lying flush against the permanent lens.

Abstract: A face and eye covering device includes a face cover configured for covering the nose and mouth of a wearer. The face cover is air permeable to allow the passage of air therethrough to facilitate breathing when worn over the wearer's nose or mouth. An eye shield is coupled to the face cover. The eye shield includes a lens and a lens protector releasably coupled to the lens. At least a portion of the lens and lens protector are transparent to allow visual perception therethrough.

Abstract: Eyewear member includes a structure for fitting peripherally on or around or behind lens and structure of conventional eyewear. Interfitting structure ranges from sealing segments to eyewear members which may attachably engage or simply interfit behind conventional eyewear. The eyewear members enables conventional eyewear to form a closer fit with the face of the user to protect the person's eyes from wind, water and foreign material. All embodiments contemplate selectable removabilty, replace ability and interchangeability.

Abstract: A translucent shield (20) is provided for covering a self contained breathing apparatus mask faceplate (22) to simulate smoke. The shield consists of a die cut shape of thermoplastic sheet that duplicates the outline of the self contained breathing apparatus mask faceplate. The translucent shield has a light penetration density concentration simulating smoke in various grades or densities replicating, at the least, limited visibility, intermediate visibility and total engulfment. In order to preclude light penetration, the shape of the shield includes a peripheral overlap (32) onto the mask. A method of removably attaching the shield to the self contained breathing apparatus face mask is provided by the use of pressure sensitive tape (36) or hooks and loop tape (38). The invention simulates smoke which visually limits light transmission to a person wearing an apparatus face mask during training exercise procedures for firefighters.

Abstract: A goggle shield is provided. The shield includes a lined cover, and multiple attachment devices to attach the cover to a goggle. The cover may be easily moved from a shielding position over the goggle lens to permit viewing through the goggle lens. Resilient means is provided to permit selective adjustment of the size and shape of the cover allowing the cover to be fit to various sizes and shapes of goggles. The attachment devices are operable to allow a user various modes of operation of the shield.

Abstract: An optical stack of laminated removable lens for affixing to a face shield is disclosed. The stack includes a plurality of superposed removable lens adhesively affixed to one another, wherein each of the removable lens is held to each successive lens with a clear uninterrupted adhesive layer interposed between each lens. Each of the lens has a removal tab portion on one end which does not have any adhesive layer on either side thereof. This allows the wearer of the face shield to quickly grasp the removal tab portion for removing the top lens and exposing a clean lens directly underneath. The bottom-most removable lens of the stack has a band of adhesive formed around the periphery thereof for attachment of the stack to the face shield. The band of adhesive forms a seal which eliminates any moisture from the interface between the bottom-most lens and the shield.

Abstract: An improved apparatus and/or system and method of use is disclosed for a lens for covering at least a portion of a ANSI Z87.1 approved full face shield that fits any mounting that has at least one post and/or bracket.

Abstract: Substantially transparent compositions that block electric-arc energy. A process of making the compositions comprise blending an IR/optical dye with a substrate material and subjecting the blend to curing conditions. Products manufactured from the composition ablate upon impact of electric-arc energy.

Abstract: The invention relates to an adapter (20) for reversibly fixing a spectacle lens (10) to the shield (30) of a pair of safety glasses (40). According to the invention, said adapter (20) has a shaped ring which consists of a transparent or opaque, permanently elastic material and which has adhesive surfaces for joining the spectacle lens (10) to the shield (30).

Abstract: A goggle has a replaceable lens mounted in a flexible frame containing several large air vents facing forwardly to input external air into the goggle interior. The inlet air vents have converging and angled walls. A first porous foam of particular porosity covers the inlet air vents and is located in an upper air channel with a curved deflector wall to disperse the external air into the interior space. Exit vents located in the bottom of the frame are covered with a second porous foam of different characteristics than the first porous foam. The sides of the goggle frame include curved slots with curved retention bars around which a stretchable headband strap is secured to create uneven load forces on the sides of the goggle frame.

Abstract: A vision enhancing tear off shield guard system for use with the visor of a racing helmet. One of the shield guard being tinted for vision enhancement under specific lighting conditions and adapted for engaging and fitting over the visor of a helmet. The shield guard also has a mechanism for quick release from the helmet. Several clear shield guards are stacked on the visor with the tinted shield guard in between to allow for changing lighting conditions.

Abstract: Protective goggles having a rigid, ballistically resistant transparent shield sealingly fittable over the eyes of a wearer via a resilient gasket having airing ports and a head gear for supporting the goggles. A second transparent radiation protective shield is detachably retained exterior to the ballistically resistant shield and in parallel relation thereto with impervious sealing means provided between both shields along their peripheries so as to provide an air-tight space therebetween.

Abstract: Protective goggles which comprise a transparent protective member made of a polarizing lens with a polarizing characteristic oriented to reduce glare are disclosed. A transparent anti-fouling member is configured to overlie at least a portion of the transparent protective member. An adhesive is disposed on the transparent anti-fouling member. The adhesive is adapted to allow the transparent anti-fouling member to be adhered to the transparent protective member.

Abstract: A goggle assembly is disclosed having a stacked array of disposable sheet members releasably held in position thereon by a plurality of flexible clamping members. Each of the clamping members is formed of a section of split rubber tubing secured to a lens support frame of the goggle. Each disposable sheet member has a manually engageable tab on one end thereof and an aperture formed in the other end. The aperture fits over a plastic hinge strap member held in position on a metal ventilator disc provided on one side of the goggle assembly.

Abstract: A face shield for a helmet comprises a body with an opening, an inner lens mounted in the body opening and a weather lens releasably mountable over the inner lens. The weather lens has a gasket around its perimeter which spaces the weather lens from the inner lens to form an insulating air gap between the inner lens and the weather lens. The weather lens is made of translucent material to selectively filter the light passing through the lens. The inner lens is recessed in the body so that the weather lens is generally flush with the outer surface of the body. Each side edge of the weather lens is provided with one of a hook and loop fastener and the inner lens has the complimentary fastener portion for mounting the weather lens to the inner lens.

Abstract: A non-fogging goggle assembly comprises a transparent film of polyester or polycarbonate coated with a hydrophilic composition that lowers the surface tension of water droplets, causing them to spread rather than form vision-obstructing beads. The film is applied against the inner face of the goggle lens and releasably held in place without any adhesive by pressure-fitting the edge of the film or parts thereof into peripheral slots or grooves cut into the section of the frame surrounding the lens.

Abstract: A tear-away lens for maintaining visibility through a transparent protective eye and face shield of a racing vehicle driver's helmet includes a tab portion having projections formed thereon to assist in grasping the tab portion to rapidly tear away the lens when visibility through the lens is reduced. The lenses may be stacked one on top of the other whereby they may be successively peeled or torn away from the shield as they become dirty or otherwise damaged whereby the wearer of the helmet may maintain suitable visibility through the shield. Each lens sheet except the outermost lens has its grasping tab elastically folded between adjacent sheets and disposed over a lens support on the shield.

Abstract: A disposable vision clearing device for painting or the like that is formed from three basic components: a flat die cut card stock paper housing blank, a flat die cut card stock paper interior assembly blank and a transparent sheet of film having its one end mounted on a supply roll and its other end mounted on a take-up reel. These basic components are assembled together in a predetermined manner and tab members on the respective paper blank members have adhesive applied to them and two important assembled structures are formed. They are the top and bottom tracks along which the respective top and bottom edges of the sheet of film can travel as it advances across the aligned cutout window portions. Other important assembled structures are the sealed enclosure for the supply roll and the sealed enclosure for the take-up reel.

Abstract: An auxiliary shielding device has a visor and an apparatus for mounting the visor to a shield of a safety helmet. The visor is approximately one-half the longitudinal height of the shield and is tinted to provide eye protection from the sun. The apparatus for mounting includes a pair of shield mounts fixed to distal ends of the shield and a pair of visor mounts fixed to distal ends of the visor. Each shield mount has a track formed therein, and each visor mount has a mechanism which links the visor mount with a corresponding shield mount, rendering the visor longitudinally slidable and anchorable across the shield.

Abstract: Disclosed is a welding helmet that provides two levels of protection to the eyes and face of the helmet user. The helmet comprises a protective shell having an opaque front wall extending in the front of the face of the wearer and two side walls extending rearwardly from the front wall along the sides of the face of the wearer. The front wall includes a relatively transparent viewing means for allowing the wearer to see beyond the front wall. A visor is attached to the helmet for removably covering the viewing means of the shell with a relatively protective welder's glass. The helmet generally includes means contained sustantially within the protective shell for mounting the visor to the protective shell. According to certain embodiments, the means for mounting the visor includes the visor having a connection arm with the first end and a second end. The connecting arm is pivotally mounted at a point intermediate first end and the second end to one of the side walls of the shell.

Abstract: This invention provides a stack of tear-off lenses for rapid and easy mounting over a main goggle lens. The invention overcomes the previously discussed disadvantages of excessive mounting time and effort. A method of manufacturing the stack is also provided. In addition, a goggle incorporating the stack of tear-off lenses, as well as a kit for adapting a goggle for tear-off lenses, including the tear-off lens stack and a retaining post member, are disclosed.

Abstract: A viewing assembly for use in the lens opening of a protective facemask comprising: a transparent housing adaptor sealingly mated to the lens: a substantially rectangular retainer for a lens cartridge assembly comprising opposing planar panels and providing in the latched position a recess that sealingly retains an enclosed lens cartridge assembly; an open area in each of said planar surfaces providing a common portal for viewing through the holder body; a lens cartridge holder defining a first open frame portion the outer periphery of the assembly being adapted to sealingly engage the inner surface of the holder adaptor; a first transparent lens positioned within said housing and abutting the assembly flange and positioned so as to provide sealing contact therewith; at least one other similarly configured lens adapted to adjoin the first lens yet being removable therefrom by manual manipulation; and at least one flexible strip secured to each of the removable lenses and at its other extremity being of a suff

Abstract: A device for use in a helmet having a shield panel for preventing the shield panel from fogging by electric heating. A transparent electroconductive film is provided inside the shield panel for passing current through the film to generate heat. An assembly including the conductive film is removable from the shield panel for repeated use when the shield panel is to be replaced by a new one due to damage.

Abstract: A specially configured and dimensioned bracket is inserted through the strap slot at one side end of a goggles frame. A plurality of transparencies are installed over the lens, one at a time. Peripheral tabs on the lens shaped portion of each transparency are inserted between the lens and the goggles frame. A retaining pin extending from the bracket is forced through a small hole formed in the inner end of an arm portion which extends from one end of the lens portion of the transparency. The arm portion of the transparency is folded back on itself so that the retaining pin extends through a large hole in the outer end of the arm portion. The arm portion of the outermost transparency is not folded but is left free to be grasped with one hand so that the transparency can be torn away from the goggles frame when soiled, thereby enhancing a racer's vision. When this is done, the arm portion of the outermost transparency just uncovered unfolds but remains attached to the retaining pin.

Abstract: A head cover and safety helmet having detachable ventilating means, and removable filter collar. The head cover, or shell, is formed of rigid material, having a face opening with a primary transparent shield yieldably mounted thereon, and multiple secondary transparent shields yieldably mounted on the primary shield, and a collar filter having novel means for mounting same in the head cover, and a novel skirt for protecting the user. The secondary shields are arranged in staggered relation, and have one end exposed so that when scratched or soiled, they may be easily removed by the user finger gripping the exposed end of the top secondary shield and pulling it free of the retaining band.

Abstract: A pair of goggles for protecting the eyes from contamination is provided having a plurality of sliding lenses in a frame so that when the outer most lens becomes dirty it is pushed down into the frame of the goggles leaving a clear view through the remaining lenses. Similarly when the next lens becomes dirty it also slides down leaving the remaining lenses in place, said procedure being repeated until all the movable lenses have been utilized.

Abstract: For maintaining visibility through transparent protective eye and face shield attached to a helmet a series of like thin transparent auxiliary lenses form a compact series of transparent neighboring sheets, each sheet with grasping ear portions; all sheets except the most peripheral have an extensible tab elastically compressed between a lateral portion of adjacent sheets so that only the most peripheral of the series connected to the shield of the helmet extends laterally whereby a finger hole therein is selectively available for engagement by the operator for rapid and firm removal thereof when the exterior surface of the most exterior of the series becomes muddy, scratched or otherwise damaged.

Abstract: A protective device for protecting the face of a user includes a face shield made of flexible, shatterproof plastic and a guard pivotably mounted on the shield and at least partially covering it. The guard is made of scratch-resistant glass. The guard may be mounted over a cutout or opening in the shield and can be pivoted away.

Abstract: Shielding of the protective lens of a face mask by forming and mounting a stack of thin sheets of transparent or translucent material on the exterior surface of the protective lens is disclosed. According to this invention, the thin sheets of the stack are removably mounted with respect to each other and with respect to the lens and each sheet is provided with an elongated flexible tab adapted to be folded over and interposed between such sheet and an adjacent sheet in the stack with the tab on only the top sheet projecting free to facilitate removal of such top sheet from the stack without unintentional removal of other sheets of the stack.

Abstract: A protective helmet for use by race drivers, police riot squads...etc. incorporates a face shield assembly involving means for overcoming problems of breakage, glare and fogging by associating with a face shield of substantially unbreakable material, coatings or layers of polarized and/or light effecting material treated for fog prevention.

Abstract: In protective coveralls with a head covering with a transparent permanent lens over the face area, a separate removable lens cover attached over the permanent lens which is adapted for very rapid removal in situations when the lens cover is clouded by a foreign material.