Abstract: A toy vehicle having a base section and a turret section is movably supported on a plurality of wheels. Located in the interior of the vehicle is a motor which is suitably connected to at least one of the wheels of the vehicle. Included in the connecting mechanism between the motor and the wheels is a reversing mechanism for reversing the direction of rotation of the driving of the wheels and thus the direction of the travel of the vehicle. The reversing mechanism also incorporates a trip switch having a position corresponding to movement of the vehicle in one direction and a second position corresponding to movement of the vehicle in the other direction. The trip mechanism is tripped by an outside stimulus, e.g. a metal ball. Operatively connected to the trip mechanism is an exposure mechanism which alternately extends and then retracts a portion of the trip mechanism in and out of the body of the vehicle.

Abstract: A toy vehicle for use in a toy vehicle game including an endless track defining at least two parallelly extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicles each include a reversible rotary drive motor and a transmission operatively engaged between the motor and two drive wheels for simultaneously driving the drive wheels in the forward direction, while selectively driving them at different speeds, in response to the direction of rotation of the drive motor, thereby to control the turning radius of the vehicle when changing lanes and biasing the vehicle against one or the other of the side walls of the track to guide the vehicle along its path of travel in one or the other of the lanes.

Abstract: A remote-control doll assembly in which a high-frequency sound signal produced by squeezing a toy baby bottle actuates an internal motor to raise the arms of the doll and actuates an internal voice mechanism to simulate a crying sound. Insertion of the nipple of the bottle into the mouth of the doll opens a switch to interrupt the crying sound. In an alternative embodiment, a radio signal is used as a control signal. In another modification of the invention, a pressure-sensitive rattle is used to produce the control signal.

Abstract: A foliage guide for holding in alignment several pieces of stem supported foliage for floral processing such as trimming. The guide comprises a wood base formed with a handle. The base supports two sets of spaced posts which serve as an alignment guide for stems which carry foliage which require processing.

Abstract: A group of enclosures for nursing and replanting plants is disclosed comprising several parallel rows of enclosures wherein each two adjoining rows of enclosures have a common wall construction. This wall permits the flow of nutrients and water through the wall and thus makes it possible to control and guide the growth of the roots.

Abstract: An agricultural device which comprises three strata of soil air and water. The soil is retained on a permeable floor and spaced apart from the water. The floor is supported by hydrophilic columns which are received in the water. Water is transmitted through the hydrophilic columns, generally with air, and introduced into the soil. The columns may or may not extend into the soil.

Abstract: A plant growing system is provided wherein a layer of sand is placed between two water-impermeable layers. The top impermeable layer covers the entire sand surface and is formed of a thin opaque plastic. Each container for a plant has prongs extending from the bottom which, when positioned on the top sheet, extends into the sand layer without contacting the bottom water-impermeable layer. Water and nutrients are metered into the sand layer which is transmitted into the containers by capillary action.

Abstract: Two upright perforate pipes, one inside the other, the space between the pipes being filled with soil and the inner pipe being filled with solid nutrient material. The inner pipe is provided with a closeable opening to permit removal of exhausted nutrient materials.

Abstract: A remotely controlled gate opener for use with a pivotable fence gate is characterized by a closed loop drive chain which is mounted around a set of three triangularly positioned fixed sprockets including a motorized drive sprocket and two positioning sprockets. The gate opener is mounted adjacent the gate post supporting the gate and the gate is attached to the drive chain at a point between the positioning sprockets such that the drive chain, when propelled by the motor, acts to pivot the gate. The preferred embodiment includes a radio controlled motor controller for remote control of the gate opener.

Abstract: A door opener system which includes a compact unit containing a motor, circuitry and various accessories, which can be quickly connected to and disconnected from the operator system, said motor having a first gear which easily is positioned into a meshing relationship with a second gear upon connection of the compact unit to the operator system. The operator system further includes the use of only two common switch actuators for operating the motor to move the door in open and closed positions, and to stop the motor upon the door striking an obstruction in its path of travel, said actuators being cooperatively associated with a cam actuator and drive chain pressure responsive means. Also, a unitary gear and drive sprocket structure is utilized in the drive system. Finally, an adjustable shock absorber type draw bar interconnects the door to the chain drive.

Abstract: A door operator including a unique electrical drive motor and a linkage arrangement having a drive bar applying driving action through a roller to a slide bar multiplying level wherein the multiplying lever is pivotally mounted at one end and slidably engaging a roller near the other end which is mounted on a slidable door.

Abstract: A belt sanding apparatus adapted for use in forming patterns of expanded synthetic-resinous materials is provided with a vacuum platen to prevent flutter of a sanding belt, and a self-aligning mechanism for automatically adjusting the position of one belt roller to compensate for variations in the length of a belt over the width of the belt. The belt sander has antifriction bearings supporting each belt roller, a pivotable work table which is supported and guided by guide portions on the belt sander frame over its full travel, and a side gate which opens to allow installation of a sanding belt, and forms a stiffening structural member portion of the belt sander frame when in closed position.

Abstract: A device for sharpening cutting edges such as straight or serrated blades is disclosed herein having an elongated base provided with star-shaped openings intended to insertably receive triangular sharpening elements so that a selected side of the triangular element is exposed against which one side of the blade to be sharpened may be drawn. Each of the triangular elements includes an elongated element composed of a suitable porcelain material which includes at least three substantially flat surfaces which are joined together by a small radius. Each of the star-shaped openings are angularly disposed with respect to the horizontal at a predetermined angle so as to orient the sharpening element to a desired degree with respect to the edge to be sharpened when the edge is held in a vertical plane.

Abstract: An adherently bonded polycrystalline diamond body is produced by forming a charge composed of a mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy wherein the alloy is in contact or in association with hexagonal boron nitride, confining such charge within a reaction chamber, subjecting the confined charge to a pressure of at least 25 kilobars, heating the pressure-maintained charge to a temperature sufficient to melt the alloy and at which no significant graphitization of the diamond occurs whereby the alloy infiltrates through the interstices between the diamond crystals producing said body.

Abstract: A vibratory finishing mill of the bowl type embodying a barrier which extends as a dam across the bowl and causes the parts and media to rise from a normal level to an upper level to clear the barrier and which fall to a lower level below normal level upon clearance of the barrier to enable separation of the parts and media at a level below normal level for removal of the parts and return of the media to the bowl.

Abstract: A building system is disclosed for constructing non-load-bearing walls in a building having preexisting ceiling and floor structures, using substantially dimensionally identical, lightweight wall panels. The wall panels are rectangular and each has a pair of facing sheets adhesively bonded to a plurality of elongate spacers. The facing sheets of each wall panel overlie each other and have aligned side and end surfaces which define sides and ends of the wall panel. Outer ones of the spacers are inset from the sides of their wall panel, whereby the back surfaces of the facing sheets and the outer spacers cooperate to define channels along the sides of the panels. Preformed elongate ceiling and floor runners are secured to the ceiling and floor structures, and the wall panels are positioned, one at a time, in mating engagement with the floor and ceiling runners to form continuous walls.

Abstract: A jointing device for long-limbed framework elements in reinforced concrete and framework comprising framework elements jointed by such devices.Means are provided for housing with a tightening fit the ends of the sections to be assembled. In a realization said means comprise a body from which depend at least two sleeves provided for housing with a tightening fit a portion of the sections to be assembled. The sleeves are preferably removably fixed to the body.

Abstract: A plurality of modular reinforced concrete panels of a generally uniform coacting design having overlapping edges are sequentially arranged in relation to each other upon a reinforced concrete slab to provide an efficient economical building structure. The building is thus constructed with unskilled labor in a relatively short period of time.

Abstract: Method and apparatus for transporting a sectional tower to a selected location and for erecting the tower at the selected location is disclosed. The apparatus includes a mobile trailer bed on which the erection apparatus and the tower sections are transported. A frame is carried on the trailer bed which has racks on which a number of tower sections are stowed. A folding guide member is pivotally attached to the trailer frame and is rotatable to a stowed position during transportation and is rotatable to an upright position for guiding the tower during erection. A hoist is carried on the folding guide member for raising the tower sections through the guide member. A plurality of sheaves are attached to the support frame and upon a number of anchors symmetrically disposed at radially spaced locations relative to the support frame. Guy wires are attached to the uppermost tower section and are reeved with the sheaves associated with each anchor and are coupled to a winch.

Abstract: The invention relates to a method and device for arranging a storage area in a construction comprising a generally concrete layer in the form of a flagstone, by which it rests on the ground, wherein an opening is cut out in said layer, through which a well is bored in the ground, after which a prefabricated element defining said storage area is disposed in said well. The invention is more particularly applicable to the production of storage areas in constructions not comprising any.

Abstract: A system for filling double-glazed panels such as large windows and double layered greenhouse walls with preferably granular material for insulation, shading, and/or privacy. This system is characterized by filling the interspace without blowing the conveying gas in the latter thereby avoiding the occurrence of damaging gas pressure in the interspace and allowing the use of relatively thinner glazing sheets of glass, plastic, or the like. This system also allows to sequentially and/or selectively fill any number of panel sections connected to the bottom side of a common header which fills the panel sections by settling of the granular material therein and in the panel sections through apertures in the bottom of the header. The panel sections are sequentially and/or selectively evacuated by an evacuation duct underlying the lower edge portion of the panel sections.

Abstract: A unit joint for connecting two panel units. The narrow edge surface of each panel unit has a plurality of angle guide surfaces abutting a plurality of angle guide surfaces of the adjacent panel unit in order to determine the mutual solid angle of the panel units. The narrow edge surface of each panel unit furthermore has a plurality of apertured coupling ribs, the apertures being substantially coaxial. The ribs on the first panel unit project between the corresponding projections on the second panel unit. A common locking rod extends through all the apertures of the ribs in order to draw the panel units tightly together.

Abstract: A solar energy collector including an enclosure provided with a glazing closure or panel and a detachable retainer assembly securing the glazing panel in place. The retainer assembly includes a retainer cap mechanically interlocked with internal protrusions formed on the enclosure walls and a spring clip associated with the retainer cap for urging the same in such interlocked relation with the enclosure wall protrusions.

Abstract: A steel edged gypsum wall panel engageable by flanged studs is disclosed. The panel having a body portion being from about 5/16 inches to about 3/4 inches thick with front and back faces and having opposite marginal edges. Said steel edging having a chan- nel shape and comprising a front flange, a back flange, and a web portion integrally connecting said flanges and adapted to contact the marginal edges wherein said back flange terminates in a return flange providing an engageable slot therebetween.

Abstract: A construction panel is provided for use with other such panels to build up siding on a building structure. The panel includes similar marginal portions each of which defines a channel and an adjacent tongue which extends outwardly from the channel. The shape of the channel is such that it can receive the tongue of an adjacent panel for assembling panels to build up siding.

Abstract: This invention relates to heat-insulated structural section assemblies for use in manufacturing window and door frames. There is disclosed a structural section assembly consisting of two metal structural sections having integral flanges defining opposed longitudinally extending grooves together with the webs of the respective structural metal sections, and transversely connected to each other by a pair of plastic heat-insulating bars, said structural metal sections defining an enclosed air space together with said heat-insulating bars and said flanges being adapted to clamp the ends of said heat-insulating bars within said opposite grooves, those flanges for clamping one heat-insulating bar which are adjacent to said inner space being made longer than the flanges for clamping the other heat-insulating bar, so that when the longer flanges are bent against the one heat-insulating bar a more stronger connection is provided.

Abstract: There is provided an improved guy guard for a guy wire of a utility pole and the like and formed of an elongated tubular plastic guard member having a longitudinally frangible web and differentially stressed to bias the guard member to curl around itself when the web is fractured. The guard member is installed on a guy wire by progressively forcing the guy wire through the frangible web thereby releasing the wrapping action.

Abstract: An endless horizontal conveyor discharges cartons of necked bottles onto a horizontal tabletop aligned with the endless conveyor insuring carton-to-carton movement of the bottles beneath the discharge end of a gravity chute feeding a series of bottle carriers, individually supplied to the gravity chute from a nested carrier stack onto bottles. The carriers are pulled onto the bottles by movement of the cartons and the bottles carried thereby. A keeper plate adjacent the discharge end of the gravity chute and downstream therefrom insures contact between the tops of the leading end bottles in each carton and the leading end of the carrier. Movement of the carton-contained bottles pulls the carriers from the chute and deposits the carriers in proper position overlying the tops of the bottles to form six-pack or eight-pack groups.

Abstract: The machine includes a roll case for positioning and conveying a package to be wrapped into position. In the first position, paper is folded along the front of the package and stapled. The package is then conveyed to a second position during which time the paper is dispensed onto the top and two sides of the package and stapled along the sides. After the package comes to rest in its second position, the paper is cut, folded and stapled along the back side of the package to produce a package which is neatly wrapped with paper on its top and four sides.

Abstract: A method and apparatus is proposed for sealing hard gelatine capsules or similar hollow containers filled with liquid, so that a secure sealing of the fill opening is attained with the aid of a sealant and in which an escape of the sealant--as a result of which the fill opening would be sealed either incorrectly or not at all--is avoided.

Abstract: To place the bags on a filling spout, the bags are hurled one at a time w the valve flange through a shaping tube, which is distanced from the spout as to allow the filled bag to be removed from the spout without displacing the tube. The bag is hurled at high speed by at least one continuously moving belt engaging the bag body along the entire length of the tube, as to be placed on the spout substantially when the valve flange leaves the tube. This latter is formed of two symmetric parts, the distance between which is adjustable by means of double screws having two ends threaded in opposite directions and engaging corresponding holes of the two parts of the tube.

Abstract: A box packing machine in which containers such as bottles are fed continuously to form a group of a given number with certain rows and columns and the containers in one group are spaced apart one another at a predetermined distance before being loaded into a box such as a carton. A container space regulating unit is reciprocatingly movable between the first position and the second position defined in the box packing machine. The container space regulating unit receives containers of a given number at the first position. The containers carried on the space regulating unit are spaced apart one another at a predetermined distance while they are being transported to the second position, where the containers are transferred into a box in unison.

Abstract: In a preferred embodiment, a microfilm-inserter machine includes separate serially-arranged microfilm jacket supports. At-least one of the supports is laterally movable, adapted for facilitating insertion of cut-sections of microfilm into microfilm jackets. The supports are positioned in series, such that microfilm may be easily and speedily transferred from one jacket to another, carried by the adjacent supports.

Abstract: A single V-belt power transmission is provided for a three-spindle rotary mower without the belt crossing over itself or being subject to severe twists. The three spindles of the mower are disposed on vertical axes to form a triangular pattern with the lead or apex angle being forwardly of the other two spindles which are spaced laterally of one another. A swingable clutch idler and a fixed axis idler engage the flat backside of the V-belt and are so positioned on the mower housing that the single V-belt has a large arc of contact with the pulley on the central lead spindle and with a drive pulley positioned forwardly of the lead spindle. The idler pulleys also serve to so position the belt that there will be no contact between runs of the belt. The invention is illustrated in an underslung mower attachment for a riding tractor and includes an automatic brake, a manually operated height adjusting mechanism and a manual control for raising the mower to a transport position.

Abstract: Mower with an elongated housing supporting bottom-driven cutter discs and with a hollow stiffening beam inside the housing, the beam extending from the connection end of the housing and being situated between the axes of rotation of the discs and the rearmost positions of the elements pivoting the cutters to the discs, the beam extending the whole length of the housing and being filled with foamed synthetic plastics material.

Abstract: The device is applicable to a lawn mower of the rotary type having a rotor on a vertical axis, with cutting blades movable to an outer active position in which they extend radially beyond the rotor, and an inner inactive position in which they are retracted within the rotor; a solenoid is utilized to project the cutting blades to active position, and they are spring-loaded to retract them in inactive position; the solenoid is activated by a switch controlled by the usual manual traction control lever, utilized for throwing the motor into drive condition, so that the cutting blades are moved to active position automatically when the mower is put in drive condition and to inactive position when the mower is stopped; the solenoid is actuated by the magneto of the engine provided in the mower.

Abstract: A rake comprising a frame provided with wheels, a subframe pivotally connected with said frame, two board supports pivotally connected with the subframe and a plurality of rake boards rotatably journalled at the board supports is improved with the object that it can be readily constructed in a simple manner, that it satisfactorily matches slopes and unevennesses of the ground and that it can be readily moved at will into the operative position or a transport position.For this purpose the subframe is formed mainly by relatively independently pivotable arms fastened to the frame.

Abstract: A method for alleviating tight spots in false twist textured yarn includes the steps of feeding a thermoplastic multi-filament yarn to a false twister, imparting a false twist to the yarn in one direction, setting the twist to provide a latent torque in the yarn, and thereafter passing the yarn around a tapered flange of a freely rotatable roller to impart a twist in the yarn of a direction opposite to that of the false twist imparted by the twister and of a magnitude sufficient to alleviate tight spots occurring in the yarn during passage through said false twister.

Abstract: Disclosed is a double feedback loop type of secondary air control system for an internal combustion engine, in which a valve provided in a secondary air feed passage for regulating a quantity of the secondary air fed into an exhaust passage of the engine is operated in response to a first error signal indicative of a deviation of the actual secondary air quantity from the desired secondary air quantity and a second error signal indicative of a deviation of the actual air-fuel ratio from the desired air-fuel ratio, thereby effecting a precise control of the air-fuel ratio.

Abstract: The invention relates to an exhaust silencer for internal combustion engines, particularly for manually operated appliances, in which a reduction of the contact and exhaust gas temperatures in order to prevent fire risks on contact with easily flammable objects, particularly forest fires, during the putting into operation of the manually operated appliance and with the supply of a large quantity of fresh air compared with the quantity of exhaust gas in order to bring about a maximum cooling of the hottest gases and/or the outer walls, is achieved in that the wall of the exhaust silencer shell portion which bounds the cooling pipe on one side, following the final outlet hood facing the pipe output port for deflecting the exhaust gas has a negative angular variation with an angle of approximately 2.degree. to 8.degree. for forming a pure or fluidic logic element.

Abstract: An air/fuel control system (including apparatus and method for a Stirling engine is disclosed. A signal generated by deviation of the temperature of the heater head gas temperature from a set-point is used to control an air flow throttle valve. Variations in the air flow of the external combustion circuit is sensed by way of a vortex-shedding device which delivers a D.C. electrical signal. The signal is shaped and amplified and used to control operation of one or more fuel injectors which feed into a common outlet manifold leading to the fuel nozzle serving the external combustion circuit. The fuel injectors are solenoid operated, one sized to provide a fuel flow rate of 0.4-2.0 g/sec., and at least two others are sized to provide a combined fuel flow rate of 2-15 g/sec., but 180.degree. out of phase with each other. The series of injectors provide an effective fuel control range of 0.4-15 grams/sec. to achieve an air/fuel ratio range of 37.5 to 1.

Abstract: A thermal energy scavenger assembly including a plurality of temperature-sensitive wires made of material which exhibits shape memory due to a thermoelastic, martensitic phase transformation. The wires are placed in tension between fixed and movable plates which are, in turn, supported by a pair of wheels which are rotatably supported by a housing for rotation about a central axis. A pair of upper and lower cams are fixed to the housing and cam followers react with the respective cams. Each cam transmits forces through a pair of hydraulic pistons. One of the pistons is connected to a movable plate to which one end of the wires are connected whereby a stress is applied to the wires to strain the wires during a first phase and whereby the cam responds to the unstraining of the wires during a second phase.

Abstract: In a master cylinder assembly of the kind in which transfer chambers in pedal-operated master cylinders are connected by a transfer passage, each master cylinder has a transfer valve which is normally open and which is movable into a closed position to isolate the transfer chamber of that master cylinder from a reservoir in response to an increase in pressure in the transfer chamber when the other master cylinder is operated on its own.

Abstract: A multi-cylinder internal combustion engine, such as for a vehicle, having some of the cylinders connected to a first exhaust manifold and the remaining cylinders connected to a second exhaust manifold. The exhaust gases in the first exhaust manifold are used for driving the turbine section of a first turbocharger, the compressor section of which forces the air or air-fuel mixture into the intake manifold for distribution to the cylinders. The exhaust gases discharged from the first turbocharger are then supplied through an intermediate conduit to the compressor section of a second turbocharger, the turbine section of which is driven by the exhaust gases from the second exhaust manifold. The compressor section of the second turbocharger communicates with the intake manifold so that the fraction of the exhaust gases which are pressurized by the second turbocharger are mixed with the air or air-fuel mixture therein.

Abstract: Liquid natural gases are vaporized by directing them into heat exchange relationship with waste heat produced from a thermal power engine. In a closed turbine cycle system, vapor which is discharged from the turbine is passed through one or more heat exchangers and the natural gas is moved through the heat exchanger in heat exchange relationship with the vapor to effectively cool the vapor as well as to evaporate the natural gases which are supplied in a liquid form, for example.

Abstract: Apparatus and method for cooling and collecting prills at the bottom of a prill tower including a fluidized prill bed and a rake rotatable therethrough.

Abstract: Apparatus and a method for providing a combination process tube for charging a refrigeration circuit and pressure variation attenuator for reducing pressure variations within the refrigeration circuit.

Abstract: Disclosed is a means for preventing "logging" of receivers, that is, the excess filling of a receiver with liquid in a refrigeration system of the type in which a compressor, a condenser, and one or more evaporators are connected in a closed cycle in association with a surge receiver. Communication between the discharge side of the compressor and the receiver incorporates a valve of the differential pressure regulating type, having means sensitive to the relationship of pressures established and maintained in a liquid line extending from the condenser to the evaporator and in the compressor discharge line extending from the compressor to the condenser, respectively.

Abstract: An accumulator for use in a refrigerant circuit having a tube in which are formed inlet and discharge openings and a cylindrical shell which is deformed by metal spinning against the exterior surface of the tube to form a container which serves as the accumulator. A diverter is provided between the discharge opening and the inlet opening to prevent direct flow through the tube bypassing the container. A method of manufacture of the accumulator by metal spinning is also disclosed.

Abstract: Ceramic material, and cryogenic refrigeration apparatus containing thermal energy absorbing elements made of the ceramic material, which is a dielectric insulator and has values of specific heat at selected temperatures below 15.degree. K. that are greater than or at least equal to the values of specific heat of pure lead at those same temperatures. Material consists essentially of a crystalline phase with a composition defined by the molar formula selected from: (1) AB.sub.2 O.sub.4 where A is Group 2b metal ions with or without other divalent metal ions and B is Cr ion with or without other trivalent metal ions, (2) AB.sub.2 O.sub.6 where A is Mn and/or Ni ion(s) with or without other divalent metal ions and B is Nb and/or Ta ion(s), and (3) A.sub.2 BCO.sub.6 where A is Pb ion with or without other divalent metal ions, B is Gd or Mn with or without other trivalent metal ions and C is Nb and/or Ta ion(s). Elements include regenerator packings, thermal dampers and dielectric insulation.