Abstract: An earphone assembly including a bracket member for retaining an earphone unit in place on the head of a user, the bracket member being formed with a channel for receiving a strap of a head gear for mounting the bracket member on the user's head, the bracket member having a shape and configuration for urging the earphone unit into positive engagement with the ear of the user for the efficient transmission of sound thereto.

Abstract: A stereophone includes a pair of temporal pads which connect to a headband and engage the user's head above each ear. A support arm pivotally connects to each temporal pad and supports an ear cup over the user's ear. A locking mechanism enables the support arm to be positioned in a number of operating positions or swung to a transport position.

Abstract: A flexible harness for holding earcups in position about the ears of the rer which extends from one side of the wearer's head around the neck to the other side of the head. The harness, which is secured within a rigid protective helmet, has two U-shaped end portions and a nape portion. Drawstrings are sewn onto each side of each U-shaped end portion and are connected to the opposing length of drawstring by an adjustable fastener. The drawstrings engage a channel on the periphery of each earcup and allow for the vertical and rotational adjustment in the position of the earcup.

Abstract: An ear noise protector apparatus is described, which provides a high level of noise protection, can be worn comfortably, and is economical to use. The apparatus includes a resilient head band with ear protector holders at either end, and a pair of ear protectors that are detachably mounted to the holders. Each ear protector includes a cap of slow recovery resilient deformable material, with a tapered central projection that can be received in the end of an ear canal, and an outer dish-shaped portion that can fit against the ear walls that surround the opening to the ear canal. The head band supplies sufficient force to maintain the cap in a deformed state wherein it conforms to the ear portion that surrounds the ear canal, to form a good seal therewith after being pressed firmly in place.

Abstract: There is disclosed an acoustic earmuff device wherein there is provided an articulated earmuff-to-headband attachment construction which is readily fabricated and assembled and which provides sufficient freedom of pivotal motion of the earmuff relative to the headband as to allow each earmuff to readily assume the proper wearing position with respect to the head of the user. The invention utilizes a soft resilient grommet fitted through an aperture in the back wall of a rigid earcup to articulatingly capture a rigid stud extending inwardly from an end portion of a resilient headband.

Abstract: A head phone is disclosed, which includes a pair of housings, each holding therein an electro-acoustic transducer, a head band being extendable and shrinkable, a pair of supporting members, each being curved in substantially inverse L-shape with each other and supporting at its one end one of the pair of housings, and a pair of pivotally supporting members, each being fixed with one of both ends of the head band and pivotally supporting the other end of one of the pair of supporting members in such a manner that each of the supporting members is rotatable around its lengthwise direction and also rotatable against the extending direction of the head band.

Abstract: An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the connecting member. The muffs are permeable to water vapor. Each said muff is at least partially porous. Each said muff has a specific airflow resistance of at least 15,000 SI rayls. Each said muff has a permeance of at least 2 metric perms.

Abstract: A means for adjusting the set position of the head band in a headset is disclosed.An elastic member is provided fixedly at each end of the head band, said elastic member being designed such that its protuberant portion is able to project out or retract from the side surface of the head band. Also, a plurality of undulate recessions are formed regularly at given intervals along the inner wall of the hole in each flattened tubular body joined to a corresponding earphone unit, said recessions being designed such that the protuberant portion of said elastic member may be elastically engaged in one of them.By this means, the head band can be adjustably secured to the flattened tubular bodies with no fear of causing any incidental dislocation or shift of the set positions of the earphone units relative to the head band. Any desired change of the set position can be effected with ease.

Abstract: An arcuate central band piece has coupled thereto at both ends arcuate side band pieces of the same curvature of the central band piece by coupling means, forming a substantially circular headphone band as a whole. Each of the coupling means is arranged so that the side band pieces can be turned about axes lying in the plane formed by the band pieces, by which the headphone band can be folded in thirds. A receiver is attached to each of the side band pieces.

Abstract: A stereophone includes a headband which supports cup assemblies at each of its ends. The cup assemblies can be pivoted to a transport position in which they are enclosed within the headband. The ends of the headband may be fastened together to retain the cup assemblies in this position.

Abstract: Hard hats are often provided with ear muffs, which are mounted by removable fittings. The hat is provided with two narrow pockets for receiving these fittings. Each fitting comprises a main body, where the ear muff holder arm is rotatably secured, and a plate member for insertion into a pocket. The plate member is arranged at an angle to the main body to ensure a certain clamping, when forced into the pocket. To hold the fitting the plate member is, at its lower edge, provided with a transverse ledge, which snaps in below the bottom edge of the pocket. To accommodate the fitting in pockets of various depths there is a ledge means above the ledge, said ledge means being shorter and less wide than the ledge.

Abstract: An attachment device in the form of a bearing housing (10) and an arm (38) projecting out through an opening (44) in the housing. The arm is supported in a bearing support (42) in the housing and serves to carry, at the end opposite the housing, an ear muff to move with a rocking motion between a stationary rest position and a position wherein the earmuff exerts a pressure around the wearer's ear. A separate spring component (44), preferably annular in form, is rotatably supported in and prestressed to bear against, on one side, an adjustable spring support (48), which is located inside the housing and remains stationary during the rocking motion, and, on the opposite side, the end (52) of the arm (38) located inside the housing. By this arrangement there is exerted on the said end of the arm a controlled force directed away from the spring support (48) for the purpose of stabilizing the arm in its two positions.

Abstract: A device (10) is disclosed for mounting a hearing protector (90) on each side of a hard hat, pressing the hearing protectors at a substantially constant force about the ears and moving them in oppositely incline planes between an operative wearing position (W) and an extended inoperative pressure relieved stored position (R). Each device comprises support means (20) including a pivot (28) adapted for attachment to and retained to a side of the hard hat (H), by retainer means (30), guide means (40) (50) including at least one incline surface (44) (54) and a key boss (46) (56) projecting into a key hole shape slot (74) in a rigid central end portion (72) of a resilient flexible support arm (70) secured by releasable clamping means (60).

Abstract: A protective enclosure for the human ear entirely closed except for a single opening sized to receive the outer ear. This opening is surrounded by a band of pressure sensitive adhesive to anchor the enclosure to the skull in a fluid tight manner. The opposite lateral edges of the enclosure are pleated inwardly to receive the operator's fingers in areas closely spaced to the adhesive while installing the enclosure over the ear.

Abstract: A fastening means for fitting an ear muff to a safety helmet has an arm which is mounted in a housing intended for attaching to the helmet. A pivoting end portion of the arm situated in the housing is acted on by a disc-type spring means arranged in the housing. The line of action of the spring force has a decreasing leverage to the pivoting location of the arm for increasing arm swing-out, the pivoting moment exercised by the spring means on the arm being substantially constant within a swing-out range normal for the arm when it is in use. This results in a contact force for the ear muff which is essentially independent of the amount of swing-out.

Abstract: A sliding block for adjustably mounting e.g. an ear cup at a protective helmet or a head clamp having a U-shaped carrier includes a base member and a channel-shaped cover. The base member includes a prismatic head and a shaft projecting therefrom, and a passage extends through the head and the shaft. Grooves are provided at two mutually opposite sides at the head for receiving the shanks of the carrier. In mounted position the cover will enclose the head and lock the shanks in the grooves, however permitting a sliding movement of the block along the carrier.The cover has an internal projection snapping into the mouth of the passage at the head, and the opposite mouth of the passage is provided with tongues for engaging a stud on the ear cup.

Abstract: A headset is provided wherein each ear piece is supported to the headband by means of a support member having a wedge shaped opening therein. A wedge is positioned within the support member opening and the headband is secured to the wedge. The wedge resiliently urges a fork attached to the ear piece against the support member thereby providing a slideable, frictional engagement.

Abstract: A device for holding an ear defender includes a housing with a space therein to accommodate a loop which forms part of a supporting member for an ear defender. The space is defined by a bottom wall, a rear wall, and a front wall, the front wall having notches to receive part of the supporting member connected to the loop. The loop is provided with two journalling parts which are arranged in line with each other and which are arranged in a groove on the inside of the front wall to thereby provide a journalling axis for the supporting member. An aperture is formed in the housing to extend through the bottom wall, and a central pin is positionable in the aperture for the purpose of affixing the device to a helmet. A lever is pivotably journalled with one end in the space for housing near the inside of the rear wall and the other end arranged to receive a transverse spring section of the loop.

Abstract: A throw-away ear protector readily assembled about the base of the human ear to preclude entry of foreign matter or fluid into the ear, and comprising a plaque of film-like impervious material. An opening centrally of the plaque is encircled with pressure sensitive adhesive for securing the plaque to the skin at the base of the ear. The outer portions of the plaque are readily gathered and maintained secured in gathered condition until the risk of harm has passed following which the protector can be removed and discarded.

Abstract: The present protective arrangement for a beauty salon patron has a flexible, heat-resistant and moisture-resistant cape with a trough at its lower end which is detachable so that the cape may be held up against the bottom of the hair dryer hood at the back of the wearer's head by an elastic cord. This protective arrangement also has a heat-resistant and moisture-resistant head band which substantially covers the wearer's forehead and has ear flaps to cover the ears, and a transparent visor to cover the nose and eyes.

Abstract: The casings for two ear-pads are adjustably mounted on opposite ends of an arcuate headband by means of a pair of rivet-like elements, each of which extends through an elongate slot in one end of the headband, and a central opening in the associated ear-pad casing. Each rivet-like element has an enlarged-diameter cylindrical head on its inner end and an enlarged, rectangular head on its outer end which is slidable in a correspondingly shaped recess in the headband to allow adjustment of each casing in the longitudinal direction of its associated slot. A plurality of flexible, washer-like supporting members are pressed over the inner end of each element resiliently to engage opposite sides of a casing around its central opening frictionally to resist movement of each casing relative to the headband.

Abstract: A mounting assembly for supporting a face shield from a safety hat includes a pair of brackets for attachment to the opposite sides of the hat, each of the brackets having between its inner and outer sides a downwardly extending recess therein, in which there is a vertically movable slide normally held in its upper position. The outer side of each bracket has a passage extending outwardly therethrough from the slide recess, with the lower wall of the passage provided with an opening containing a prong projecting from the slide. The prong has a projection on top normally extending into the passage and forming a shoulder facing the slide but spaced from it. In that space the head of a bolt normally is locked. The bolt extends out of the passage and through a hole in an arm, with a nut on the outer end of the bolt. The opposite sides of a face shield are adjustable lengthwise of the two arms. The bolts are releasable from the brackets when the slides are depressed.

Abstract: A welder's helmet having means to reduce the level of noise reaching a welder's ears when the helmet is positioned for welding. The helmet is characterized by the fact that the sound reducing means while fixed to the helmet does not contact or rest upon the head, ears or face of the welder thus not interfering with normal atmosphere circulation between the welder's head and helmet.

Abstract: The present invention relates generally to a device for locating ear-muffs arranged on a helmet or the like by means of bearing members arranged in the helmet to pivotally receive attachment members, each of said members cooperating with an ear-muff cover by a clamp-shaped arm. The attachment members being with their upper ends of said arms located inside the helmet and displaceable arranged in a longitudinal direction. In this way any desired location of said ear-muffs -- parking position within the helmet or working position covering the ears -- could easily be established.

Abstract: A hearing protection means having an ear hood and an annular washer plate releasably secured thereto with mating surfaces therebetween. An annular sealing pad is provided having an annular skirt portion which is adapted to be secured to the hearing protection means between the mating surfaces of the ear hood and annular washer plate.

Abstract: An ear protector for excluding foreign material and noxious noise from the ear. The ear protector includes two units attached to a head strap which encircles the head of the user. Each unit includes a rigid ring which encircles the ear of the user and to which the head strap is attached, a resilient ring coaxially mounted on the rigid ring, and a flexible container into which a rigid ring and resilient ring are hermetically sealed.

Abstract: A device for protecting the hearing of a user which includes an ear hood secured to a helmet by a pivotable bow which can be moved forwardly and rearwardly of the helmet and also laterally thereof. The bow is provided with a sliding surface over which a pin slides when the ear hood is moved outwardly. A spring member is connected at one end to the helmet and at the other end to the slidable pin for normally holding the ear hood against the ear. When the ear hood is moved laterally from the ear of the user the pin slides over the sliding surface so that the spring member urges the bow to remain in its outward position.

Abstract: A pair of shells filled with foam and ear plugs to cover the ears and exclude all sound.

Abstract: An acoustical ear muff arrangement having an identical acoustical sealing muff for each ear, the muffs being connected together by an adjustable spring wire structure for holding a muff over each ear. Each muff has a dish-shaped portion with elastomeric foamed material therein, and with a novel non-foamed elastomeric seal around the periphery of the dish-shaped portion. The non-foamed elastomeric seal has three lips extending from a base section. The lips have a tapering configuration and extend at angles within a critical range from the base section.

Abstract: A protective helmet having a rigid shell with a headband and crown suspension system and provided with readily adjustable sound-attenuating earcup assemblies, in which right and left hand flexible fabric earcup assembly supports are secured at locations adjacent to the upper ends thereof to the rigid shell for movement of the earcup assemblies carried thereby toward and away from the wearer's head, and in which an adjustable chin strap assembly, the ends of which are anchored to the rigid shell at locations below the points of attachment of the earcup supports to the shell, carries respective fastener elements adapted releasably to be engaged with fastener elements adjacent to the lower ends of the cup supports so that, when the chin strap is pulled to draw the helmet down firmly to engage the suspension with the wearer's head, the earcup assemblies are moved toward the wearer's head to cause the seals thereof firmly to engage the portions of the wearer's head around his ears.

Abstract: A face mask, particularly a ski-mask, comprising a transparent mask body with an interceptive function against the ultraviolet rays and formed to have a curved surface spaced from the skier's face, a pair of ear protectors formed in a bowl-like shape for convenience in covering the ears of the skier and pivotably supporting both side ridge portions of said mask body by the outer side wall thereof, and lock-on members adapted to stop turning round of said mask body relative to said ear protectors and then make it stand still against said ear protector at a desired position, whereby protection of the entire face of the skier, including both of his ears, is ensured from the ultraviolet rays and the cold wind as well as the wind pressure, besides other accidents, and in the meantime delicate adjustment can be achieved for positioning the mask body as required relative to the skier's face.

Abstract: A cushion member for sound-insulating and air-tight sealing, which cushion is to be attached substantially along the edge of a first surface, which at this edge is connected via the cushion with another surface, which need not have a form absolutely conforming to the first surface at the connecting surface and need not be smooth. The cushion consists of an elongated casing filled with balls of plastic material and with a cylindrical cross-section of soft, flexible and air-impervious material and it is adapted to be attached to the first surface.