Abstract: A drive bay opening in the front bezel portion of a tower type computer CPU unit is provided with a swing-out plastic access door. The door is pivotable between a closed position and a full open stop position in which it is outwardly pivoted more than ninety degrees away from its closed position. A specially designed concealed, break-away hinge structure removably interconnects the access door and front bezel portion and includes a pair of hinge arms projecting outwardly from the door and molded integrally therewith. Outer end tabs in the hinge arms have apertures therein that rotatably receive hinge pins within recessed pocket areas in the bezel. In the event that the access door is forcibly pivoted outwardly beyond its full open stop position, separate disconnect pins disposed laterally outwardly of the hinge pins act as cams that torsionally deflect the hinge tabs out of engagement with the hinge pins.

Abstract: A toilet seat hinge for releasably securing a toilet seat to a toilet bowl. The hinge comprises a mounting post and a hinge post. The mounting post is fixed to the toilet bowl. Various alternative constructions are employed for releasably securing the hinge post to the mounting post such that the hinge post and the toilet seat can be removed from the toilet bowl without removing the mounting post.

Abstract: An enclosure has a door, a cabinet, an aligning pin attached to the cabinet, and a door hinge removably attached to the cabinet. The door hinge is arranged to receive the aligning pin so as to positively align the door hinge on the cabinet, and the door hinge is arranged to mount the door in opened and closed positions to the cabinet. The aligning pin may be directionally biased in order to mate with a directionally biased recess in the door hinge. The aligning pin may be a pair of pins to mate with a correspondingly pair of recesses in the door hinge.

Abstract: A separable door hinge for motor vehicle doors, including two hinge halves having each a gudgeon and attachable, respectively, to one of two parts of a door assembly, a door and a door pillar, a hinge pin for pivotally connecting the two hinge halves with each other and rotatably supported in the gudgeon of one of the two hinge halves with a running fit by a bearing sleeve formed of a maintenance-free bearing material, and form-lockingly secured in the gudgeon of another of the two hinge halves without a possibility of rotation relative to this hinge halves, and a receptacle, which forms an extension of a gudgeon bore of the gudgeon of the another hinge half for receiving at least a front, when viewed in an insertion direction, end portion of the hinge pin.

Abstract: A device is provided which significantly deters the theft of tailgates from pickup trucks. The shaft member of a typical tailgate hinge mechanism is secured by a rotatable cup within the cup fixed to the tailgate. The open slotted sectors on both cups are aligned to allow passage of the shaft member. After passage of the shaft member, the rotatable cup is moved until the open slotted sectors are out of alignment, preventing movement of the shaft member out of the cups. A wall sector is also provided which attaches to the exterior surface of the rotatable cup after the shaft member has been positioned within. It is closely received by the open slotted sector of the used cup which prevents further rotation of the rotatable cup within the fixed cup.

Abstract: An improved butt hinge is disclosed in which each hinge half comprises a leaf portion formed integrally with a butt strap. A second leaf portion mounts to each butt strap after the butt straps are mounted to a door and door frame. A hinge pin passes through each of the four leaf portions to hingedly mount the door to the door frame. The hinge pin cannot be removed without removing at least one of the second leaf portions, and since the second leaf portions cannot be removed while the door is closed, the hinge pin cannot be removed while the door is closed.

Abstract: A device for a door hinge structure of the snap-in type, where the hinge has a first hinge flap designed to be secured to a door frame and pivotally attached to a second hinge flap in the form of an insertion part which can be snapped into an insertion pocket in a receiving part that is secured to an end portion of a door leaf. The receiving part has a spring-loaded peg which is slidably mounted in a slide that is moveable parallel to the depth direction of the insertion pocket. The slide forms steplessly adjustable threaded engagement with an axially immoveable, rotatable adjusting screw, provided in the receiving part, and the peg is moveable transverse to the insertion pocket for releasable engagement with a hole or a cut-out portion in the insertion part, whereby the length of insertion of the insertion part in the depth direction of the insertion pocket is steplessly adjustable.

Abstract: A hinge has a base plate which may be secured to a furniture side wall and on which is anchored a hinge arm. The hinge arm is connected by way of articulated levers to an anchoring device to be connected to a glass door. The anchoring device includes a holding plate which may be joined by adhesion to the glass door and in which a coupling part articulated to the articulated levers may be suspended. Mounted on the coupling part is a spring-loaded tilting lever which, in the assembled position, latches behind a hook-like projection on the holding plate.

Abstract: A laptop computer hinge reinforcement apparatus having a support plate and mounting block secured to a hinge. The support plate is fastened to a display panel cover and a support arm. The mounting block is fastened to the opposing side of the support arm. The mounting block has a plurality of threaded bores which are aligned with a plurality of receiving holes of the support arm. The supporting plate also has a plurality of holes and is substantially the same width as the support arm and hinged arm. The mounting block and supporting plate are secured to the support arm by fasteners that extend through the holes of the supporting plate through the receiving holes and into the threaded bores. The fastening means do not pass entirely through the bores of the mounting block. This configuration allows a second set of screws to engage the other end of the threaded bore so as to secure the support arm to the hinged arm.

Abstract: Disclosed an apparatus of a vehicle for separating a door including a first hinge, a second hinge, a door check assembly, and a door separating part. By using the apparatus, the door can be easily separated from a body of the vehicle when the body is deformed by a collision and/or overturned. By separating hinges and a door checker by a first, a second, and a third explosive respectively, the door can be easily separated from the body of the vehicle which can not be opened due to deformation by an accident such as a collision or overturning. The wounded remaining in the compartment of the vehicle, can separate the door by using the apparatus, and can escape from the accident vehicle by themselves. Also, a rescuer can easily and rapidly rescue the wounded from the vehicle without rescue equipment.

Abstract: A hinge device for connecting a main body and a display unit of a portable computer includes a projection, a hinge member, and attachment units. The projection extends from a lower edge of the display unit, and the hinge member extends outwardly from both sides of the projection and connects to respective attachment units. A groove for receiving an end portion of hinge member is formed in each attachment unit. Each groove has a shape that is complementary to the shape of the end portion of the hinge member, so that the end portion of the hinge member easily inserts into the groove. In a preferred embodiment, one attachment unit is fixedly installed on the main body of the computer, and the other attachment unit is detachably connected to the main body. The attachment units and projection define a pivot axis about which the display unit rotates relative to the main body.

Abstract: An improved refrigerator hinge assembly which provides for maintaining the proper adjusted position of a refrigerator door with respect to its associated cabinet. A factory setting of the refrigerator door can be accurately maintained with precision even after the hinges are removed for field installation of the refrigerator such as to pass a refrigerator through narrow doorways. A tap plate is located behind the cabinet cladding and has "wrapper" or hinge screw holes for clamping the position of the external hinge with hinge screws, while allowing for factory adjustment of the door position. After the door is factory adjusted in position, a supplemental mechanism is applied to fix the tap plate in the factory position independent of the hinge screws, such as an epoxy application or a separate and independent drill screw applied through the cabinet and engaging the tap plate.

Abstract: A pivotable hood structure is provided for use with a vehicle such as a lawn and garden tractor. The structure includes a pair of spaced apart pins carried on the tractor frame near the front end to be receivable in bracket openings carried on the hood. The bracket includes guide surfaces which aid in positioning the pins relative to the openings while also supporting the weight of the hood during installation and removal of the hood. A latching structure is provided between the pins and bracket to secure the pins in place. The pivotable hood structure provides a swingable mounting for the hood as well as quick mounting or removal of the hood without requiring the use of tools.

Abstract: A container (20) suitable for use as a truck box for a pick-up truck, includes a base container portion (21) having an open top, and a cover (22) to close the open top. The cover (22) is pivotally attached to the base (21) by hinge mechanisms (23) which are uniquely formed by combining a hinge pin assembly (101) with a pin retaining assembly (102). The cover (22) may also be latched to the base (21) by a latch assembly (24) which includes pivotable handles (56, 57) on each end of the base (21) which, when either is pivoted, rotates latch hooks (68, 74) from a position engaging the cover (22) to a position releasing the cover, without moving the other handle. The container (20) may also receive a tray (150) therein positionable on a ledge (30) and positively located in one direction by ribs (159) and in the other direction by feet (162) positioned in depressions (38) formed between ribs (37) on the inside of the base (21).

Abstract: A pivot assembly for mounting a pivot arm on a housing includes in a first embodiment thereof a pair of spaced mounting walls which extend inwardly in the housing adjacent opposite side extremities of a pivot opening therein and a pivot shaft on the pivot arm. The mounting walls have open notches therein which open outwardly through the pivot opening for receiving the pivot shaft therein, and the mounting walls and the pivot arm have retaining members thereon which cooperate to retain the pivot shaft in the notches. In a second embodiment the pivot assembly includes a concave mounting seat, a pivot arm having a pivot shaft which is received in mating engagement in the mounting seat and a retaining member having a convex retaining face thereon which is received in mating engagement with a corresponding concave pivot face on the pivot member for retaining the pivot shaft in the mounting seat.

Abstract: A door fastening member of a furniture hinge having a hinge cup for installation sunk in a recess in the rear surface of a door leaf. The hinge cup has a fastening flange engaging the inner surface of the door leaf. Projecting from the underside of the fastening flange, spaced from the hinge cup, are offset fastening pegs which engage in associated bores in the door leaf and which may each be fixed in the associated bore by means of a fastening element which is rotatable relative to the fastening flange.Due to eccentric mounting of the rotatable fastening element, knife-like anchoring ribs provided on the fastening element of the fastening peg are movable out of a position of the bores.

Abstract: A three diameter hinge pin for a vehicle door hinge assembly including a door bracket and a body pillar bracket. The three diameters include successive large upper diameter, small lower diameter, and an intermediate diameter, wherein the latter diameter permits the hinge pin to drop further downwardly through two openings in the upper legs of two hinge brackets, wherein the openings must closely approximate the pin's large upper diameter, thereby allowing the lower end of the pin to enter the opening in the lower legs of the two brackets, rather than being positioned somewhere above the opening.

Abstract: A furniture hinge (10) with a carcase-related part (12) which can be fastened adjustably on the carcase of a furniture piece, which is coupled to a door-related part by a linkage mechanism, and which is configured as a hinge cup (14) of metal. The cup part (18) of the hinge cup (14) can be mounted sunken in a mortise in the door and has a flange (20) lying on the inside of the door and projecting from the edge of the cup part. From the bottom of the flange protrude at least one, and preferably two, studs (32) provided with a number of anchoring ribs of pointed cross section, which can be mounted in associated, separate holes in the door. The stud (32) or studs are made expandable by a screw (30) in the manner of an expansion plug and are premounted on the flange by means of the screw being driven in only partially.

Abstract: A U-shaped hinge element used to pivotally mount a door to a cover dead front of an enclosure for circuit breaker handles of a load center. The hinge element has spaced-apart wall members, and is characterized by having a projection formed out of the surface of a first wall member which positively engages a back surface of the cover dead front to partially retain the one wall member when the hinge element is initially inserted into the cover dead front and by having laterally opposed, bendable tab means formed out of the surface of a second wall member which are manually bent after the hinge element is inserted into the dead front cover. Converging slots are formed in the second wall member to form the bendable tab means, and the hinge element is made of stainless steel.

Abstract: A hinge cup with releasable fastener for use with a cabinet component having a bore hole includes an assembly component anchorable in the cabinet component bore hole. The assembly component is provided with a receptacle, and a cup casing is receivable in the assembly component receptacle in a press fit relationship and is fastenable to the assembly component.

Abstract: A mesh net supporting framework for a hockey goal which is readily collapsed for transportation or storage has elongated tubular members hinged together at their respective ends and locking mechanisms at those hinges for securing the tubular members in mutually perpendicular configurations. The locking mechanisms may comprise an elbow with one of the tubular members and a short tube extending therefrom perpendicular to one another. There is an abutment on the short tube, and a cylindrical cuff surrounds the other of the tubular members, with that cuff having a semicylindrical extension for engaging the abutment. The other tubular member also has a semicylindrical end portion for engaging the abutment.

Abstract: A center-lock portable truck scale has an end positioning post (4) between sides at ends of a truck scale and a central positioning post (8) positioned centrally in truck-scale sections. Positioning rods (5 and 9), preferably bolts, form positioning bumpers at adjustable distances from the lock posts. Hinges (23, 29 and 49) are employed to connect sides of the scale bridge (11, 12) so that large truck scale decks may be foldable for easy transportation to the site of installation. Scale loading weight is carried on a vertical load-cell pillar (75) that rests pivotally on a load button (77) that is positional in a load-button indentation in a top surface of strain-gauge beams (80). The central positioning post and positioning bolts prevent excessive end-to-end movement while the end positioning posts prevent excessive side-to-side or twisting movement of a scale unit, thereby positioning scale weight directly on load cells (3) in jarring and temperature-change use-conditions for more accurate weighing.

Abstract: The invention proposes a windscreen wiper device, especially for a motor vehicle, comprising a component forming a windscreen wiper arm which is articulated to a component forming a drive head by means of an hinge pin associated with a first of these two components and at least one pin section of which, having a cylindrical section, is received within a complementary bearing section formed in the second of the two components and which comprises a concave semi-cylindrical surface portion into which the pin section may be introduced in a direction perpendicular to the hinge pin, and retention means comprising co-operating shapes which prevent the detachment of the section of the hinge pin from the bearing section the invention being characterized in that the retention means comprise a retention rod which extends axially in the extension of the section of the hinge pin and a retention lug formed on the second component and which extends opposite the retention rod so as to cooperate therewith.

Abstract: An electrical enclosure is shown having a cabinet and a door connected by hinges. The hinges comprise door and cabinet components and a removable hinge pin wherein the door component extends through a slot formed in a flange along an edge of the door, and the cabinet component is attached to the cabinet. Locking ramps are provided on the door component which extend through and engage the edges of openings in the door flange on opposite sides of the slot.

Abstract: An improved hinge assembly for use on containers having a door on at least one side wall is disclosed. The features of the invention include the following: removable hinge rod for complete cleaning with rod held in place by a removable end mechanical retaining member; full length support for the door; end cap and hinge can be completely welded to pass sanitary construction specifications; enables use of aluminum or stainless steel rods; permits use of stainless steel hinge rod on aluminum containers; hinge rod can turn or rotate in end support areas or caps thereby avoiding binding or bending when installing door; and a hinge assembly area is easily cleaned; invention employs a continuous horizontal hinge rod which opens the hinge area for cleaning and continuous hinge support.

Abstract: In a hinge (4) between a fixed part (3) and a movable part (1), the pivotable hinge part (6) has a guide device (7) by means of which the movable part can be fixed on the hinge in a desired position relative to this and the fixed part. The movable part can then be detached from the hinge together with the guide device and can then, by means of the guide device, be guided back to the previous position when remounting takes place.

Abstract: A window hinge having a track mountable to a window frame, a sash arm mountable to a window sash, and a plurality of pivotally interconnected links connecting the track to the sash arm to allow pivotal movement of the sash relative to the window frame. At least one of the links is pivotally connected to a shoe movable on the track and another of the links is pivotally connected to a block. The block includes a projecting stud and is elastically deformable to allow sliding of the block in the track with the stud retracted until snappingly securing the stud in a mounting slot in the track during field assembly. The hinge is mounted by first fixing the track to a window frame and the sash arm to a window sash, thereafter sliding the shoe and the block in the track to dispose the block stud adjacent the track slot, then fixing the block to the track with the block stud in the track slot.

Abstract: A snap-on hinge for a removable load platform in motor vehicles, with a fixing plate which is fixed on the load platform and has a downwardly projecting resilient tongue which cooperates in the manner of a hinge with an opening in a vertical wall in the receiving frame of the vehicle body is constructed as a plastic molding with a central upper tongue with an engaging nose and a lower projection and two lateral lower tongues which cooperate with an upper opening in a horizontal wall and with a lower opening in a vertical wall and has on the lower tongues supporting cams which rest on a horizontal shoulder on the receiving frame.

Abstract: A hinge for mounting a vehicle door for swinging between open and closed positions on a vehicle body. The hinge includes a door section adapted to be attached rigidly to the door, a body section adapted to be attached rigidly to the body, and an intermediate section pivotally connected to the body section and detachably connected to the door section to enable the door to be quickly removed from and re-installed on the body. To facilitate such removal and re-installation, the door section of the hinge carries a pin which is adapted to hang in a notch in the intermediate section to support, locate and stabilize the door as it is being removed and re-installed. The body section and the intermediate section of the hinge carry components of a plunger-type hold-open mechanism which releasably holds the door in partially open and nearly fully open positions and which remains in its entirety with the vehicle body when the door is removed.

Abstract: A quick assembly attachment mechanism comprising an elongated stud member having two notches formed in its surface and a receiving member that non-rotatably engages the stud member and includes at least two bendable tabs that are bent into the notches to lock the stud against longitudinal motion. The receiving member includes access openings to permit the tabs to be bend back out of the notches so that the stud may be removed. The attachment mechanism is particularly suited for use in connecting steel components such as steel hinges to steel doors.

Abstract: A modification of conventional removable pin butt hinges, such as used to hang doors, simplifies removal of the hinge pin. The modification is a beveled surface portion along an upper end edge of the uppermost hinge cylinder, providing access to an exposed ledge portion of the hinge pin crown. A driver, a chisel, a screwdriver or other driving device may be positioned against the exposed portion of the hinge pin and struck, thereby easily driving the hinge pin from the hinge cylinder.

Abstract: A hinge for mounting a door to a door frame through upper and lower assemblies, with each assembly including a door frame plate and a door plate disposable in engagement with each other to define a common pivot axis extending through both assemblies. The door frame plate of the upper assembly is provided with a hole engageable by an axle carried on the top surface of the corresponding door plate. The door plate of the second assembly includes a downwardly extending flange engageable within a blind hole formed in the corresponding door frame plate, with the bottom of the hole having a convex protrusion for stabilizing the door in an open position.

Abstract: A loose-leaf binder is disclosed, such as a loose-leaf photo album or a loose-leaf file binder, on which is disposed a plurality of hinge members having a pillar at one end and an axially concave knuckle at the other end. A longitudinal slit is formed on the outer wall of the concave knuckle and an extension bore is formed axially in the concave knuckle so that a pillar may be snapped into the concave knuckle via the longitudinal slit and the free end of the pillar can be inserted into the extension bore so as to increase the radial engaging force between the hinge members.

Abstract: A casement window hinge comprising a toggle hinge assembly slidably received within a laterally symmetrical track. The hinge assembly includes an end block having a sloped upper surface. The ends of the track are notched to assist in alignment of the hinge assembly for insertion into the track.

Abstract: An improved automatic door closure is provided for a door which has a door post mounted by two or more members attached to a door jamb. The door closure comprises a roller which is mounted on the door jam, a cam which is mounted on the door post so that it will rotate with the door post but is capable of limited movement relative to the post in an axial direction, and a spring for urging the cam against the roller as the door is swung between open and closed positions. The cam is contoured so as to cause it and the roller to coact with spring arranged to cause the door to return from open to closed position without any operator applied force. In a preferred embodiment of the invention, the door closure apparatus comprises a compression spring for urging the door to close, and an adjustable mechanism for varying the force exerted by that spring.

Abstract: A back door hinge mounting structure comprising a pair of bolts connected with to each other at the central portion thereof and threaded at the opposed ends thereof, one end of the opposed ends connected to the roof panel with the other of the opposed ends to the fixed leaf of the back door hinge and a hinge cap for covering the mounting bolts which can be mounted and removed only when the back door is open, so that access to the mounting bolts with the back door closed is avoided.

Abstract: The invention relates to a mounting for a door or window, especially an all-glass door or an all-glass window. A vertical frame piece provides a vertically extending receiving space accessible via a vertical slit for an anchor with an internal thread. A screw penetrating a hinge part is screwed into this thread. The anchor has a transverse dimension smaller than the width of the slit and a longitudinal dimension greater than the width of the slit. A friction drive member for the anchor is located in the slit and penetrated by the screw.

Abstract: An externally visible 180 degree hinge for switching boxes having a first bearing block attached to a box casing and a U-shaped second bearing block surrounding the first. The second bearing block is attached to a door leaf and pressed into an edge area of the door leaf so that an axis of rotation of the hinge is outside a corner formed by an edge of the door.

Abstract: This invention relates to a kit for reinforcing door hinges and, more specifically, to a two-piece kit for strengthening door hinges that may have come loose. The kit comprises a two-piece hinge repair kit that is adapted for use with standard size doors and with standard size hinges. The first piece of the kit is a rectangular U-shaped bracket having an open side or face. This U-shaped bracket is adapted to fit through its open side around the edge of the door. The sides and roof of this U-shaped structure have apertures to be used as connecting holes for attachment to the door and hinge. The roof has a recessed cutout section containing the holes for alignment with the holes of a hinge. The cutout distance down from the top of the roof should approximate the thickness of one leaf of the hinge. Thus, when the hinge is attached to the U-shaped bracket and door, the top surface is level with the face of the bracket and flush with the face of the roof sides adjacent the cutout portion.

Abstract: In a hinge assembly intended for suspension of motor vehicle doors having two hinge halves which can be attached at one of two door installation parts and connected with one another so as to be rotatable by means of a hinge pin, the hinge halves being rotatable with running fit in one hinge half and being arranged secured against axial movement, the two hinge halves are arranged in a position which corresponds to the hung-in position of the vehicle door and they are secured by screw bolts which penetrate the hinge eye of the second hinge half to prevent that the hinge falls apart during a possible automatic loosening from the position of the two hinge halves when the door is hung in due to assembly errors. Screw bolts form the primary safety mechanism of the hinge assembly and a secondary emergency safety device is also provided which is formed by means of interlocking sections or parts of both hinge wings extending over the area of the operating angle of traverse of the hinge assembly.

Abstract: A hinge includes a hinge arm which is snappable onto a mounting plate by means of an intermediate member. The intermediate member is at the front thereof engageable with the mounting plate and at the rear thereof provided with a pivot lever having a hook member by means of which the pivot lever and the intermediate member are lockable on the mounting plate. Centering elements include, for example, a locking bolt extending into a notch in the mounting plate or noses which abut on a base member of the mounting plate.

Abstract: A hinge connection comprises a one-piece hinge part of synthetic plastic material and a separate part to which the hinge part is fittable. The hinge part comprises an elastic joint film forming a joint axis and stiffening strips extending on both sides thereof parallel to the joint axis and formed by material thickenings. On at least one stiffening strip there are formed two resilient tongues protruding with mutual spacing and in one common plane, on the ends of which tongues there are formed projections pointing away from one another. The separate part comprises an insertion socket into which the tongues can be inserted until the projections engage, in the assembled condition of the hinge connection, behind opposite side wall sections of the insert socket. An elastically flexible crossing piece connects the ends of the tongues.

Abstract: A sectional door, for buildings and the like, includes panel-like sections that are hingedly or pivotably connected to one another. The hinge joints that provide the pivotal connection have securing plates or brackets that extend around the pivot or hinge pin. In order to be able to effect a rapid and reliable securing of the hinge joints at any desired location along the edges of the sections, the edges of the sections that are to be connected are inventively provided with longitudinally extending slots for receiving the brackets. In addition, these edges are provided with longitudinally extending, groove-like recesses that proceed from the slots. Arresting members that cooperate with the brackets extend into the recesses. The recesses have a semicircular cross-sectional shape, and the arresting members have a spherical shape.

Abstract: A hinge comprising a pair of hinge leaves pivotally connected together by a hinge pin, at least one leaf carrying a mounting bracket secured thereto by a single screw-threaded fixing, the fixing having a frusto-conical bearing surface which engages upon a corresponding frusto-conical surfaces on the leaf or bracket.

Abstract: A hinge assembly particularly for mounting the door of a motor vehicle having a first and a second hinge wing with first and second hinge eyes, respectively, thereon, a hinge pin operatively interposed between said first and second hinge eyes and a knurled portion interposed between the hinge pin and one of the first and second hinge eyes to effect nonrotative relative engagement therebetween. A bushing of maintenance-free bearing material is interposed between the hinge pin and the other of the first and second hinge eyes and a liner made of high strength material is inserted in the bushing between the hinge pin and the bushing. The knurled section may extend over the hinge pin at least one and one-half times the length required for securely fixing the hinge pin.

Abstract: A hinge assembly particularly for the door of a motor vehicle enabling the door to be removed and replaced during assembly of the motor vehicle, wherein a first and a second hinge member are engaged on a hinge pin with the first hinge member being freely rotatable relative to the hinge pin, but axially fixed relative thereto and wherein the second hinge member is axially movable relative to the hinge pin, but capable of being placed in nonrotative locking engagement therewith in the assembled condition of the vehicle, the assembly being provided with spring-loaded carrier engaging the second hinge member and the hinge pin to ensure fixed rotative engagement therebetween in the assembled condition of the vehicle.

Abstract: A picture frame hinge. The hinge is attached to backs of picture frames by inserting projections which extend from the hinge leaves into corresponding holes in the backs of the picture frames. The hinge is held in place by a resilient tab. The hinge contains opposing radial teeth which are resiliently biased together, and permit positive adjustment of the viewing angle of picture frames. A prop, for free standing is also provided.

Abstract: The invention relates to hinge preparation assembly for mounting in each of the mortises formed in the hinge jamb of a steel frame. The hinge preparation assembly includes a hinge reinforcement member having a plurality of spaced apart threaded openings for mounting a leaf of a standard weight hinge set thereto. A hinge conversion means is removably mounted to the hinge reinforcement member so that upon its removal, the hinge preparation assembly is converted from a standard weight hinge preparation to a heavy weight hinge preparation and capable of mounting a leaf of a heavy weight hinge set thereto without requiring changing the hinge jamb of a steel door frame or modifying the hinge mortises thereof.

Abstract: The invention relates to hinge preparation assembly for mounting in each of the hinge mortises formed in the hinge edge of a steel door. The hinge preparation assembly includes a hinge reinforcement member having a plurality of spaced apart openings including threaded openings for mounting a leaf of a standard weight hinge set thereto. A hinge conversion member is removably mounted to the hinge reinforcement member so that upon its removal, the hinge preparation assembly is converted from a standard weight hinge preparation to a heavy weight hinge preparation, which is capable of mounting a leaf of a heavy weight hinge set thereto without requiring changing the door, modifying the hinge mortises thereof or the hinge preparation assembly.

Abstract: A releaseable hinge mechanism for use with a cover member, a bottom housing member having a deflectable support wall and a top housing member having a facing margin adjacent the support wall. A hinge is connected to the cover member and includes a central elongate portion terminating in a flatted distal end with a pair of flanking pivot pin portions received in a pair of cradle members located on the support wall. A compound bracket located on the facing margin has a spaced pair of relatively inflexible brace portions in facing relation with the flatted distal end and normally engaged in surface contact with the flatted end when the cover member is opened. The compound bracket includes a deflectable finger located between the pair of brace portions and arranged for surface contact with a pressure finger located on the top edge of the flatted distal end when the cover member is moved between a closed position and the opened position.