Abstract: A loose-leaf display binder formed of a cover of flexible sheet material, preferably of one piece and of uniform bendability from top to bottom, which forms front and back cover panels hinged to a spine panel, and also a triangular brace panel hinged to the lower edges of the cover panels and foldable flat against their inner faces to permit the binder to be opened and closed as a book. The binder also includes a stiff spine bar having means such as loose-leaf rings for binding leaves thereto. The upper portion of the spine bar is fixedly connected to the upper portion of the cover spine panel, and the lower portion of the cover is left free to be flexibly bowed rearward away from the lower end of the spine bar to form a rear display support for the binder.

Abstract: A protective book cover includes a pair of pocket sections for removably receiving the front and back covers of a book with the open ends of the pocket sections disposed toward but spaced from each other by a distance less than the width of each pocket and with the pocket sections connected together by a spline joined to the outer members of the pocket sections.

Abstract: The present invention relates to a pressure-sensitive or heat-sensitive recording material which contains as color former in its color-forming system at least one carbazolylmethane compound of the general formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently represents hydrogen, alkyl of not more 12 carbon atoms which is unsubstituted or substituted or alkenyl of not more than 12 carbon atoms, acyl of 1 to 12 carbon atoms, phenyl, benzyl, substituted phenyl or substituted benzyl,Z represents alkyl of 1 to 12 carbon atoms, alkenyl of not more than 12 carbon atoms, aryl, aralkyl, or represents a heterocyclic radical, andeach of the rings A, B, D and E independently can be substituted or unsubstituted.The carbazolylmethane compounds yield copies of improved color intensity and lightfastness.

Abstract: The record indexing system includes a substrate sheet with a plurality of removable labels adhered on one surface of that sheet. The labels are substantially uniform in size and each extends along an associated longitudinal axis. Each label includes three zones on its top surface. The first zone extends from one end of the label along its longitudinal axis, the second zone extends from the other end of the label along that axis and the third zone separates the first and second zones and has a predetermined length in the direction of the axis. The first and second zones are characterized by one optical absorption spectrum and the third zone is characterized by another optical absorption spectrum. The separator zones for the labels are offset from one end of the labels by a different distance for each label.

Abstract: A mudline suspension system for supporting a hanger and casing attached thereto from a wellhead member having an internal recess with an upwardly facing internal shoulder therein including a split ring latching member having fingers normally extending upwardly and outwardly with downwardly facing shoulders on the exterior of the fingers adapted to engage the internal shoulder on the wellhead when the latch member is positioned in said recess, and releasable means for retaining the latch member supported on the hanger during running, the latch member when in engagement with said internal shoulder providing a landing surface for the hanger which supports the hanger and casing.

Abstract: A flexible drilling fluid skirt for well drilling use. The skirt is wrapped around a drill pipe connection before loosening to contain pressurized spray of drilling fluid and direct the fluid to storage or for re-use.

Abstract: A swivel joint for connecting together a pair of pipes and for transferring fluid between the pipes at ambient temperatures and at cryogenic temperatures. A cryogenic seal between the joint's relatively rotatable inner and outer elements prevents fluid leakage at cryogenic temperatures, and an ambient seal assembly between the joint elements provides a seal at ambient temperatures and prevents fluids from contacting the cryogenic seal. The ambient seal assembly includes an elastomeric O-ring retained in the outer element, and an annular sealing ring fastened to the inner element and spring-biased towards the O-ring. At ambient temperatures the sealing ring is held against the O-ring in a fluid-tight manner. As the temperature decreases, a plurality of rods or wires, or an annular sleeve, having a high coefficient degree of linear expansion, contracts and pulls the annular sealing ring away from the adjacent O-ring to prevent wear of, and other damage to, the O-ring at low temperatures.

Abstract: A universal plastic economical connection for the art of connecting urinals to drain pipes which will eliminate the conventional time consuming and relatively costly steps required of the prior art. This connection will readily fit two-inch (2") diameter pipe currently used by plumbers, thereby eliminating the costly use of threaded adapters and transitions to other materials.

Abstract: A gate latch, especially for animal-restraining enclosures, adapted to retain and release a gate hinged at one edge for swinging about an upright axis. The post toward and away from which the unhinged edge of the gate swings carries means providing a horizontal ledge which carries an upright pivot member for both axial and angular movement about an upright axis. A slotted plate is fixed to the member to swing and raise and lower therewith. Means biases the plate and member downwardly. The slot in the plate enters inwardly from one edge of the plate and, when the gate is open, the slot lines up generally with the arc of swinging of pintle means on the unhinged side of the gate so as to receive the closing gate.

Abstract: An electrically actuated locking mechanism is disclosed which employs a reciprocating lock bolt actuated by a solenoid in response to a momentary electrical signal. The lock bolt engages a latch means when extended to the locking position, and the latch means may be disengaged to unlock the device by either electrically or mechanically actuated release means.

Abstract: A device is disclosed for loading firewood into woodburning stoves and the like which has a pair of opposed arms with pivotably joined horizontal portions and vertical portions connected thereto having dogs on the ends thereof for gripping the firewood. A handle is secured to the horizontal portion of one of the arms and has a V-shaped member attached at its apex to the handle for maintaining the piece of firewood aligned with the handle during transport.

Abstract: An apparatus for balancing an asymmetric load of one or more large heavy objects such as missiles and the like including a rotatable horizontally oriented jack screw for moving a block with a lifting eye thereon in a lateral direction. A beam perpendicular to the jack screw holds a fixture to which one or more missiles are attached. Lateral movement of the block in response to rotation of the jack screw serves to balance the load during the hoisting and conveying operation regardless of the number and position of the missiles in the missile holding fixture.

Abstract: A lifting apparatus having at least one lifting hook pivotally attached to a support frame. The support frame is pivotally attached to a lifting bar which in turn is movably connected to a hoist means.

Abstract: A recreation trailer has a wedge-shaped configuration to improve its aerodynamic properties, and enhance the utility of its interior design. From front to rear, the trailer expands in both height and width from approximately 6 feet at the front to approximately 8 feet at the rear. The floor of the trailer expands only in width, and the overall length of the trailer is approximately 141/2 feet. The internal layout of the trailer is designed to insure the optimum utilization of space. A bedroom and dining area is provided in the smaller front end of the trailer with a bathroom and kitchen area in the larger rear end of the trailer.

Abstract: A panel for upright positionment on a trailer/truck flatbed to convert the ed into a cargo container. The panel is formed as a one piece high density plastic foam or fiberglass reinforced plastic element having desired characteristics of high strength and light weight. At its lower edge the panel has a relatively wide center leg and two relatively narrow end legs dimensioned for snug fit insertion into pockets on the perimeter of the flatbed. Edge areas of the panel are preferably formed as tongue and groove devices to adapt the panel for interlocking connection with similar panels positioned on the flatbed.

Abstract: An ash tray assembly for an automobile is disclosed which comprises a case fixed substantially horizontally beneath an instrument board of an automobile, an ash tray which is pushed into and pulled out from the case and a fire proof protector means which consists of a spring steel plate interposed between the case and the ash tray in such a way as to project obliquely in the upward direction and cover the front surface of the instrument board when the ash tray is pulled out from the case. The rear end portion of the fire proof protector means is turned back upwardly in such a way as to form substantially a U-shape and the end portion thus turned back upwardly is fixed to the case.

Abstract: A glove compartment provided in an instrument panel of an automobile disclosed herein comprises a first lid adapted to be opened to provide a wide coplanar surface with a bottom of the compartment, and an upper lid adapted to be opened into an upper opened position, thereby providing a wide space for writing and putting baggage on the opened first lid and the bottom of the compartment.

Abstract: A motorcycle fairing with improved safety and operational features including a long-throw, strengthened adjustable windscreen, an electrical wiper motor and wiper assembly attached directly to the adjustable windscreen and cornering lights operated by both the turn signals and independent switch means. The adjustable windscreen has a pair of female members fixed to the windscreen and a pair of male track members fixed to the fairing. In assembly, the female members are connected to the male track members and slide along the track members to a desired position. Release means associated with the male and female members serve to lock the windscreen in a selected position. The windshield wiper motor and/or wiper arm and blade are attached to the adjustable windscreen and move up and down with the windscreen. Cornering lights mounted on fairing side faces are operated by both the motorcycle's turn signals and an independent switch mounted on the fairing.

Abstract: A theft deterent device for vehicle covers to resist unauthorized removal of the cover from the vehicle in which the cover material has attached thereto one end of an elongated flexible member of high tensile strength, the free end of said flexible member having an enlargement with a dimension greater than the space between the peripheral edges of a closure member in such a door and the frame or body portion of the vehicle defining the opening for the closure member. The flexible member has a length to extend from the exterior surface of the vehicle through such space into the interior of the vehicle. When the closure member is closed and locked with the flexible member extending from the car cover through the peripheral space into the interior of the vehicle, the enlarged end resists withdrawal of the flexible member through said space and resists removal of the car cover.

Abstract: The invention relates to a closed vehicle and a complex equipment for managing services at airports, for the direct transport of passengers and luggages from the administrating and luggage manipulating area to the airplane.The essence of the closed vehicle according to the invention is, that a part of the passenger space is forming a flight of stairs, the height of which can be optionally adjusted, furthermore the passenger space is formed in the longitudinal centerline of the vehicle. Preferably the lifting device of the flight of stairs is fixed to the stair-step, which can be lifted to the highest point. The displacement clearance between the elements connecting the stair-steps following each other corresponds to the height of the stair-step. The attainable maximal height of stairs is determined by the number of stair-steps applied.Preferably, the luggage space is arranged below the passenger space; in the luggage space at least one continuous transit path is formed.

Abstract: A motor vehicle is provided with a body having a supporting structure of sheet metal and external lateral walls which below a substantially horizontal line extending above the vehicle wheels, comprises exclusively parts of plastics material. As compared with sheet metal parts, the plastics-material parts present a number of advantages including simpler assembly, better corrosion resistance and reduced susceptibility to damage in a minor collision.

Abstract: A side sill of a vehicle body includes outer and inner sill members which are welded to each other at upwardly projecting flanges, at least one of which is formed with a projection extending substantially horizontally. A kicking plate has an outer end portion which covers the upper surface of the outer sill member and which is secured thereto by clips made of plastics material. The inner end portion of the kicking plate is formed substantially as an inverted U-shaped cover which covers the flanges of the sill members. The cover has on its inner surface a projection which resiliently engages with the lower surface of the projection of at least one of the flanges.

Abstract: An improved pillar construction for use in a motor vehicle which includes a pillar inner panel and a pillar outer panel rigidly combined to each other so as to define a closed cross section. The pillar inner panel is formed with a raised portion of arcuate cross section extending along an entire length of the pillar inner panel and protruding toward the interior of the motor vehicle, with a reinforcing pipe member of metallic material being welded along the inner surface of the raised portion so as to provide the pipe member fixed to the interior of the closed cross section defined by the pillar inner panel and pillar outer panel for reinforcement of the pillar.

Abstract: A skeletal load-bearing structure for a motor vehicle includes a plurality of tubular girders joined together by connectors. Each girder and each connector is composed of at least two shell elements of thin sheet metal provided with longitudinal flanges by means of which the shell elements are joined together. Each connector shell element has a plurality of smoothly merging arm portions which together with corresponding portions of the other shell elements of the same connector form a plurality of tubular connection stubs to which respective ones of said girders are connected.

Abstract: A roof assembly for vehicles, especially motor vehicles for agricultural purposes, utilizing a roof member having approximately the shape of an inverted trough that is mounted upon a roof frame. The roof is made of plastic, is releasably mounted to the vehicle, and has a segment which rests upon the roof with a sealing element interposed therebetween. This segment cooperates with a supporting part for an upper roof wall and with the roof frame by means of a holding device. In accordance with the preferred embodiment, the upper roof wall has a local extension in the vicinity of the supporting part which rests upon a bent portion of the supporting part, and the holding device is formed by a recess in a peripheral wall of the roof formed by the segment and by an element of the supporting part that projects into the recess.

Abstract: A vehicle seat back adjuster with manually releasable forward tilt lock providing fine increments of adjustment through the combination of a translation overdrive for a fine tooth ratchet accommodated by accurate location of extremity stops and special provision for assuring full tooth engagement at extremity positions.

Abstract: A switching device for the displacement of the brush body holders in brush manufacturing machines during the drilling and stuffing operations in the production of brushes. Necessary displacements can be accomplished simply and accurately for any shapes of brush bodies without requiring any machine modification or readjusting by utilizing a programmable logic control system and hydraulic linear force amplifiers.

Abstract: A wheel cover (1) for a vehicle includes outer and inner peripheral portions (2 and 3) and a plurality of spoke-resembling portions (4) connecting the outer and inner peripheral portions (2 and 3) with each other. The outer and inner peripheral portions (2 and 3) and the spoke-resembling portions (4) are integrally formed by a moulding, casting or die casting process as a one-piece structure.

Abstract: In an anti-skid braking system a brake is applied in response to the pressure of a supply of hydraulic fluid passed through a first variable orifice from a pump rotatable with rotation of a wheel to be braked so that the wheel is automatically prevented from locking. The system incorporates a second variable orifice in combination with a pre-loaded spring against which a shuttle provided with the orifice is adapted to be displaced to reduce the pressure of the supply from the pump.

Abstract: A turbomachine comprising a thrust air bearing for axially supporting the rotary shaft of the turbomachine. The thrust air bearing comprises a disc shaped hollow runner fixed onto the rotary shaft, and a pair of stationary bearing plates fixed onto the housing of a turbocharger on each side of the runner. The runner has a thin wall defining an interior chamber therein. A plurality of air inflow bores is formed on the side wall of the runner for feeding ambient air into the interior chamber, and a plurality of air outflow bores is formed on the circumferential outer wall of the runner for discharging the air within the interior chamber into the atmosphere.

Abstract: A file cabinet (10) including slidably mounted drawers (18) is provided with an interlock mechanism which prevents the simultaneous opening of two drawers. The interlock mechanism includes an elongate channel (24) having a fixed length and depth. Slidable within the channel (24) along the length thereof are blocks (42) and wedges (44). The blocks (44) include at least one end surface (48) which is at an acute angle relative to the bottom wall (28) of the channel (24). The wedge members (44) are displaceable relatively into and out of the depth of the channel. The wedge members have surfaces (52) complementary to and in sliding contact with the end surfaces (48) of the blocks. The length of the channel (28) is less than that of the combined length of all of the block (42) and wedge members (44) disposed therein and at least as long as the combined length of the block and one of the wedge members.

Abstract: A lay-in lug to be coupled to a bushing, or the like, for providing a low resistance grounding connection between a wire secured in the lug and the bushing. The lug comprises a body member and a conduction member for providing strength and a low resistance conduction path, respectively. The body member supports the conduction member and includes resilience to compensate for cold flow of the laid-in wire. The conduction member is in direct contact with both the laid-in wire and the bushing to provide superior conduction between the wire and the bushing. In addition, the wire is pressed against one side of the back portion of the body member and the reverse side of the back of the body member is in direct contact with a back section of the conduction member.

Abstract: A junction box assembly for an automobile comprising a main junction box releasably coupled mechanically and electrically to an auxiliary junction box, the main junction box comprising an insulating housing enclosing at least one circuit board providing distribution networks for electrical supplies to main appliances and having plugs or sockets for connection to sockets or plugs terminating main appliance leads, and the auxiliary junction box comprising an insulating housing enclosing at least one circuit board providing distribution networks for electrical supplies to auxiliary appliances, the housing of the main junction box having means projecting from a rear face to attach the main junction box to the bulkhead of an automobile engine compartment.

Abstract: A coiled spring is located in an annular space formed between a coupling nut and a body for locking the nut to the body when the nut is threaded in place. The coiled spring may have a metal core, a resilient core, or an air core. In other embodiments, the locking means may comprise a plurality of separate coiled springs located at spaced apart positions around a metal or resilient core.

Abstract: A waterproof, electrical connector with a bulkhead mounted receptacle having an "O"-ring or other expandable gasket compressed between the bulkhead and the mating surface of the receptacle shell. Another "O"-ring in the inside circumference of the one piece receptacle shell is compressed when the one piece plug shell is mated with the receptacle, thus forming a unitary type shell. A reinforced hose is secured by double turn clamps, one forward clamp on the nipple or rear of the plug shell at a point away from the end of the plug shell and beyond a shoulder at the rear of the plug shell and another rearward clamp on the cable connected to the plug. Any leakage of fluid is prevented from reaching the contacts or flowing through the connector by the placement of these "O"-rings and the clamped hose.

Abstract: An electrical connector permits the use of non-noble metals by providing mechanical advantage in obtaining high contact force with low insertion force. A pin is utilized as a cantilever beam to provide high contact force. A carrier, which is activated by insertion by a printed circuit board or the like, includes a lever forming part of the electrical connection. The lever is displaced causing deflection of the pin. The lever has contact points capable of piercing non-metallic oxides, thereby forming good electrical contacts.

Abstract: In a push-on cable connector assembly, the connector is merely pushed onto the coaxial cable and positive pressure devices maintain electrical continuity at points of contact between the outer conductor of the cable undergoing tests and that of the connector assembly and between the inner conductor of said cable and that of the connector assembly. A spring fingered ferrule provides positive contact pressure with the outer conductor of the coaxial cable. Uniquely, a resilient spring contact probe, commonly applied in production testing of printed circuit boards, is adapted as the center conductor of the push-on connector assembly and provides positive contact pressure between the center conductor of the cable undergoing tests and the center conductor of the push-on connector assembly. A standard coaxial connector of the designer's choice is provided as part of the push-on cable connector assembly.

Abstract: A hologram lens capable of converting an output beam of light emitted from a semiconductor to a reconstruction light suitable for reconstructing holograms is prepared by use of the object light, which resembles a beam of light emitted divergently from a semiconductor laser for reconstructing holograms and which travels, in the opposite direction to the travelling direction of the beam of light from the semiconductor laser, in such a manner as to converge on a light emitting portion of the semiconductor laser, and the reference light which is an isotropic beam with a circular cross section.

Abstract: A raster scanner with laser for generating a scanning beam and compact, folded optical system for transmitting the beam to the object to be scanned. The optical system includes a modulator for modulating the beam in accordance with video image signals and a rotatable polygon for scanning the beam across the object to be scanned. The laser is supported at one end in a spherical bearing, permitting rotation of the laser about a point coincident with the optical axis of the scanner and at a second remote end by screw type adjustors which are used to adjustably displace the laser about the pivot point and so align the axis of the laser beam with the optical axis of the scanner. Scanner operating circuits are provided including a circuit enabling one or both of the scan detectors to serve as a light meter when aligning the laser.

Abstract: A raster scanner with laser for generating a scanning beam and compact, folded optical system for transmitting the beam to the object to be scanned. The optical system includes a first mirror for guiding the laser beam forward along a downwardly inclined slope to the modulator, a second mirror below the modulator for intercepting the beam from the modulator and folding the intercepted beam to guide the beam backwards along a horizontal plane to a third mirror which folds the beam and guides the beam forward along an upwardly inclined slope against the mirrored facets of a rotating polygon, the polygon scanning the beam through a preset scan arc and returning the beam via a focusing lens to the third mirror, the third mirror folding the scan beam and guiding the scan beam forward, and a fourth mirror for intercepting the scan beam and guiding the beam to the object to be scanned.

Abstract: A device for heating the front lens of a television camera to prevent an interfering moisture on the lens which includes a heating unit, detachable from the lens tube, comprising a front disc or lens attached to a support plate; a rear disc or lens also attached to said support plate so as to form a sealed chamber between the front and rear disc; and heat coatings deposited on the chamber side surface of the front disc for heating purposes.

Abstract: A method of terminating a glass optical fibre (13) by clamping the optical fibre (26) in a passageway in a ferrule (11) with an end portion (26) of the optical fibre core received in a bore in the ferrule end (17) and projecting beyond the ferrule end (17); severing the end portion (26) to provide an optical face at a predetermined distance from the ferrule end (17); and, radially crimping the ferrule (13) to advance the ferrule (11) relative to the optical fibre core (13) to locate the ferrule end (17) flush with the optical face.

Abstract: An optical fiber having a core surrounded by a cladding layer which has an index of refraction less than the index of refraction of the core characterized by a longitudinal side coupling zone being formed by a longitudinal opening extending through the cladding layer of the fiber to expose a portion of the core. The optical fiber of the invention is particularly useful in conjunction with a light sensitive detector and is useful in a mixer where more than one fiber are joined together either in a bundle or in a strip configuration. The fiber with the side coupling zone can be formed by drawing the fiber from a workpiece having a core or rod member surrounded by a sleeve member or layer which is provided with the opening or can be drawn from a molten material utilizing a double crucible in which the opening of the inner crucible is provided with at least one bulge extending to the edge of the opening of the outer crucible.

Abstract: Magnetooptical switches for application in optical communication and data processing systems for switching, multiplexing, and demultiplexing take improved compact forms for switching unpolarized optical signals from one multimode fiber guide to selected ones of a plurality of such fiber guides. Reflection and transmission switches are provided, as well as devices for simultaneous switching of both upstream and downstream light waves.

Abstract: A laminated fiber optic ribbon cable, and method of manufacturing same, is disclosed. The cable comprises top and bottom sheath layers, at least two elongate reinforcement members each located along respective sides of the bottom sheath layer, and a plurality of spaced apart and parallel waveguides positioned upon the bottom sheath layer between the two reinforcement members. Subsequent to the introduction of insulary filler material between the sheath layers, longitudinal edge portions of the sheath layers are bonded together at each side of the cable, with longitudinal gaps being thereby defined along each side of the cable between the bonded sheath edge portions and the two cable reinforcement members. Preparation of the cable for termination may thereby be effectuated by cutting into the longitudinal gaps and peeling back the top sheath layer to access the waveguides and strength members therebeneath.

Abstract: A stripe-color filter for spatial color encoding in a color TV camera, having a striped semiconductor filter-element-layer supported between a transparent substrate layer and a transparent dielectric covering layer. There are further provided a first coating layer of a transparent thin film between the substrate layer and the semiconductor filter-element-layer and a second coating layer of a transparent thin film between the semiconductor filter-element-layer and the covering layer. The refractive indexes of those layers are in the relationship: n.sub.F >n.sub.T1 >n.sub.S and n.sub.F >n.sub.T2 >n.sub.D, wherein n.sub.S represents the refractive index of the substrate layer, n.sub.T1 the first coating layer, n.sub.F the semiconductor filter-element-layer, n.sub.D the covering layer, and n.sub.T2 the second coating layer.

Abstract: An apparatus is provided for enabling selected structure to be joined to a pherical segment, such as a segment employed as a lens, viewing port or radiation transmissive housing. The apparatus includes a structure support component which is insertable into an aperture through the segment, the aperture being circumscribed by a frustoconical bearing surface, and the support component being provided with a frustoconical seating surface which matches the bearing surface of the aperture. A retaining component positioned inside the spherical segment is provided to selectively secure the support component within the aperture, so that the frustoconical bearing and seating surfaces are maintained in abutting relationship. Several components of a compliant nature are selectively positioned between the support means and various portions of the spherical segment, proximate to the aperture, to seal the spherical segment from external pressure, which may become substantial.

Abstract: The disclosed transflector consists of a transparent foil which is given an additive of a first filling material for adjusting the transmission and the reflection of light. In the preferred embodiment, a second filling material is added to the foil for establishing the scattering of the transmitted and the reflected light and a third filling material is added for producing a coarse surface which encourages eye accommodation by the observer.

Abstract: An optical system including a radio frequency signal input; a chirp signal input; a source for emitting a beam of radiation; an acousto-optical modulator disposed in the path of the beam and functioning to modulate the beam with the radio frequency signal and the chirp signal to produce a modulated beam; and a single detector disposed in the path of the third modulated beam. The inventor further provides electronic alignment and focusing by changing the chirp frequency.

Abstract: The object of the invention is to provide an optical system for rotating the plane defined by a pair of parallel light beams.In one embodiment (see FIG. 4) a single pair of rhomboid prisms 36 and 37 have their respective input faces 15 disposed to receive the respective input beams 21 and 22. Each prism is rotated about an axis of revolution coaxial with each of the respective input beams 21 and 22 by means of a suitable motor 29 and gear arrangement 41 to cause the plane of the parallel output beams 21' and 22' to be rotated relative to the plane of the input beams.In a second embodiment, two pairs (FIG. 2) of rhomboid prisms 23, 24 and 31, 32 are provided. In a first angular orientation of the output beams, prisms 23 and 24 serve to merely decrease the lateral displacement of the output beams for keeping the beams in the same plane as the input beams. In a second angular orientation of the prisms (FIG.