Abstract: An auxiliary blade, such as a snowplow or the like, is quickly attached to or released from the bucket of a front end loader solely by pivotal movement of the bucket relative to the blade, without requiring the driver of the front end loader to dismount and operate any securing means.

Abstract: PCT No. PCT/US79/00927 Sec. 371 Date Nov. 1, 1979 Sec. 102(e) Date Nov. 1, 1979 PCT Filed Nov. 1, 1979An earthmoving scraper has a pivoting floor which pivots from a closed position to an open position to dump and spread material previously loaded into the bowl of the scraper. Various types of earth being loaded and spread require different dump openings of the pivoting floor and varying heights of the strikeoff blade which spreads the dumped earth. Heretofore, it has been difficult for the operator of the earthmoving scraper to selectively position the pivoting floor and strikeoff blade to insure a specific dump opening and a specific height of the earth material as it is spread.

Abstract: An artist canvas frame comprises the usual rectangular frame members attached at four corners and having a canvas stretched around the periphery and held in place by staples or some other suitable means. To improve the stability of the frame a brace is provided substantially midway transversely across the back of the frame in one or both directions and is held in place by movable plastic socket members on each respective end of the brace and each socket member comprises a small rectangular tube having opposed side members extending therefrom fitted over the inside faces of opposed frame members, known individually as stretcher strips or stretcher bars.

Abstract: The disclosed illuminant display device is to be used on a motor vehicle for publicity or other purposes. In the device an opaque plate member contains perforations in the shape of a character or figure to be displayed, and tinted translucent pieces are set in the perforations transmit light which is projected from a light source provided behind the perforated plate. The display device can serve as an illuminant license plate which is arranged to illuminate the identifying characters continuously for a predetermined time period after the headlight or parking light of the motor vehicle has been turned off and thereby foil a driver who tries to conceal the identity of the vehicle by turning off the lights for hit-and-run or other unlawful purposes.

Abstract: An idicator for a vertically suspended file envelope includes an elongated body mountable on the file envelope and including a leg extending horizontally with respect to the envelope, a transparent projection extending from the free edge of the leg and over a part of the leg to define with the leg a label holder adapted to receive an elongated label therein. A plurality of markers are disposed in spaced location, each marker being movably mounted between a first position in which it covers a portion of the label and a second position in which that portion of the label is completely uncovered. The status of the file may be determined by the positions of the markers relative to the label.

Abstract: A changeable display includes a sheet containing a number of joined frames, each having a display on opposite sides. The sheet is wound on a pair of take-up rollers having parallel axes separated by one frame. A separate idler roller for each take-up roller is arranged so a nip is formed between each idler roller and its associated take-up roller. A motor-clutch arrangement selectively drives one of the take-up roller to transfer the sheet between the take-up rollers. Each idler roller is urged toward the periphery of the wound material on its associated take-up roller while the sheet is being transferred between the take-up rollers to maintain a constant separation nip between each idler roller and the periphery of the sheet on each take-up roller. A housing for the sheet, rollers and motor-clutch pair of includes a pair of windows on opposite sides of the sheet.

Abstract: A trolling planer for use in downrigger trolling systems has an elongated cylindrical weighted body and a diving plane mounted above the body. The plane is positioned forwardly of the body's center of gravity and at an angle to such body. A bridle for attaching the planer to the downrigger cable and for automatically controlling the diving angle of the planer is positioned atop the plane. A simplified release mechanism for releasably connecting the fishing line to the trolling planer employs a cylindrical female receptacle and a spring clip for insertion into the receptacle.

Abstract: The present invention is to provide an automatic animal-trapping device, more particularly, to provide a kind of animal-trapping device, used for trapping mice and other like wild animals, which may repeat its operating cycle all over again and catch lots of mice in continuity with special functions of its automatic control mechanisms.

Abstract: An animal trap having an upstanding frame member mounted on a base, a metal anvil bar connected at one end to the frame and extending outwardly from the frame generally parallel to the base, a metal striker bar positioned above and generally parallel to the anvil bar, said bars being connected at their outer ends to a spring adapted to urge the striker bar forcibly towards the anvil bar, a trigger pan mounted below the two bars and connected to a trigger arm extending upwardly along the frame, a latch arm swivelly mounted on the upper portion of the frame and containing a notch or recess such that when the striker bar is moved upwards against the force of the spring away from the anvil bar, the bar fits into the notch, said latch having an extended arm contacting the upper end of said trigger bar such that the trigger bar is operative to trigger the latch arm from the set position on movement of the pan and allow the latch arm to swing free and the striker bar to move towards the anvil bar.

Abstract: There is disclosed a flying saucer device which basically has a flat top surface including symmetrically disposed apertures. A bottom section consists of a central cone shaped portion having a top surface containing additional apertures in a predetermined alignment with the apertures in the flat surface. A bottom section surrounds the central cone section and contains apertures which are aligned with the apertures in the top section. The apertures in the top and bottom sections communicate one with the other and with the apertures in the central cone section by means of an annular cavity which is formed when the top section is emplaced with the bottom section. The top and bottom sections are emplaced with respect to a relatively central sloping wing section to afford lift to the device and which surrounds and extends beyond the top and bottom sections of the flying saucer device.

Abstract: A doll and an eye assembly, intended for use in a doll, wherein the assembly comprises a combined representational eyeball and eyelid movable mounted relative to a carrier or retainer, and weighted, in such a way as to tend to occupy a first positional relationship with the carrier or retainer (such as "open") in one attitude of the assembly to the horizontal but to occupy a second positional relationship with said carrier or retainer (such as "closed") in a different attitude of the assembly to the horizontal. The assembly also includes a fluid pressure actuable control operable to displace the combined eyeball and eyelid from said first "open" positional relationship to said second "closed" positional relationship.

Abstract: An improved double-ended lighting unit detachably mountable upon a disc shaped flight toy or other object. An elongate tubular metal housing adapted to receive two (or some other even number) flashlight batteries has an opening at each of its opposite ends threaded to threadably receive a flashlight bulb. A metal fastening member, such as a bolt, is passed diametrically through the tube at a location midway of length of the tube to serve the dual function of a mounting member to secure the assembly to another object and to also serve as an electrical connection between the tubular metal housing and one end of a battery located within the tube. The length of the tube is such that a bulb threadably supported in one end of the housing can be threadably adjusted into or out of electrical contact with a battery within the tube which is in electrical contact with the fastening member.

Abstract: A hydroponic plant growing apparatus is disclosed wherein a nutrient enriched liquid is flowed within a series of ducts adapted to mount a plurality of planting cups, each of which support a sterile media and a plant seedling. The planting cup includes an apertured bottom surface which permits capillary action of the nutrient liquid into the support media as well as allows the root system of each plant to extend into the duct yet isolates the sterile media from direct flow contact with the nutrient liquid. The individual plant cups eliminate contamination of the nutrient liquid, facilitate easy removal and replacement of individual plants on the apparatus, and form an effective seal with the ducts yielding a substantially hermetically sealed apparatus which is not susceptible to rain contamination, evaporation, or algae growth.

Abstract: A plurality of space lattices arranged within an enclosed cultivation space, wherein one space lattice consists of plants which are arranged to move in a continuous vertical serpentine path within the space lattice. A space lattice formed of illumination means is arranged in an interstitial manner relative to the circulating plant lattice and serves to artifically illuminate the plants while they are circulating. A measurement space lattice is arranged coextensive with the illumination space lattice and serves to make measurements of selected parameters of environmental parameters within the cultivation space. An environmental factor space lattice is also arranged coextensive with the illumination space lattice and is connected to suitable sources so that moisture, nutrients and selected gases may be supplied to the plants as they circulate through the cultivation space.

Abstract: A channel culture device for plant systems which comprises a plurality of longitudinal growing channels, for growing the primary plants, and service channels, which aid the growing channels. The channels alternate and fluids, water and air, pass laterally between the growing and service channels which enhance plant growth.

Abstract: A thermally sensitive actuator for opening and closing a louvre window of the type in which the louvre blades are mounted fast with bell-cranks having their free ends pivotally connected to an operating member which has a pivotal link coupled thereto. The thermally sensitive actuator comprises a housing for mounting on the frame of the window and containing a channel of uniform cross-section having a block slideably mounted therein, and a piston and cylinder assembly, the cylinder of which contains a thermally expansible flowable material and is mounted on the housing with the piston in engagement with the slideable block so that expansion of the flowable material causes displacement of the block. The side walls of the housing contain elongate slots through which projects a pivot pin which is movable in an oblique slot in said block and has connecting means on its projecting end for attachment to the pivotal link of the louvre window.

Abstract: A safety apparatus is associated with otherwise conventional revolving doors which are rotatable about a vertical axis. A pair of closure components are positioned adjacent to the respective sides of a revolving door and are displaceable in the horizontal direction. The closure components include profiled surfaces which delimit access space of the revolving door. In case of emergency situations, e.g. caused by a fire, the closure components are moved away from one another under the power of two respective jacks, leaving access space around the sides of the door wide enough for the passage of persons.

Abstract: An inner window for the thermal and acoustic insulation of existing windows comprises an adjustable frame having hollow sections connected by elements inserted therein and spacer sections covering the connecting elements, a corresponding pane, and means for securing the pane to the frame in a sealing relation. The frame sections are all of similar cross-sectional dimensional for a uniform frame contour.

Abstract: A weather sealing assembly is arranged and constructed to be insertable into a groove or channel formed in the bottom edge surface of a door and which includes means for adjustably positioning the weather sealing assembly mounted in the door and parallel to a sill or threshold whereby cold air and water is prevented from passing between the threshold and the door bottom.

Abstract: A bulb-type sealing gasket formed from linear sealing strips and curvelinear sealing corners connected to one another. The sealing strip is constructed from a planar strip of flexible resilient material having end portions which extends substantially perpendicularly to the plane of the sealing strip. The upper sections of the end portions are configured into mounting flanges and the lower sections are configured into cooperating male and female locking elements so that, when the strip is rolled about its longitudinal axis and the cooperating locking elements are snapped together, a bulb-type sealing strip is formed which has a pair of oppositely extending co-planar flanges for mounting upon a closing member.

Abstract: An apparatus for universally supporting and positioning a rotating grinder wheel comprising a support base carrying a cage which rotates about a horizontal axis, and with a horizontally reciprocating frame mounted within the cage for rotation with the cage and reciprocating forwardly and rearwardly relative to the cage. A lever has one end universally pivotally connected to the frame, with the opposite end of the lever extending forwardly of the frame and carrying the rotating grinding wheel. A powered vertical guide means connected to the frame raises and lowers a separately powered horizontally movable guide means, which in turn is connected to the lever free end. Thus, the wheel is universally adjusted by rotating the cage, moving the frame forwardly or rearwardly within the cage, and swinging the free end of the lever arm upwardly and sideways.

Abstract: A method for dressing a grinding wheel or the like to provide surfaces with two different radii thereon mounts a cutting tool on a radius and angle dresser with a first oscillatable shaft which in turn supports a second oscillatable shaft which is oscillatable independently of the first shaft. The axis of the second shaft is shifted relative to the axis of the first shaft to position the cutting edge at a selected elevation relative to the axis of rotation of the first shaft; and it is locked in position while the first shaft is oscillated to generate a first radius surface on the wheel. The first shaft is then locked and the second shaft is oscillated to generate a second radius.

Abstract: An abrasive cleaning apparatus is disclosed for cleaning a work surface by blasting the surface with an abrasive under fluid pressure from a remote source of abrasive and fluid. The apparatus comprises a base which is preferably mounted on a mobile chassis for supporting at least one nozzle by a nozzle support. A conduit connects the nozzle to the remote source of abrasive and fluid. The nozzle support is mounted to the base about a first axis of rotation. A second axis of rotation rotatably mounts the nozzle support for controlling the reaction force produced by the nozzle during operation. The first and second axis are established at an angle relative to one another such that a rotation of the nozzle about the second axis directs the reaction force of the nozzle during operation to cause rotation of the nozzle support about the first axis.

Abstract: An inflatable storm window includes flexible and transparent front, back and side walls made from plastic material. Interior spacing support walls made from the same material provide rigidity. The walls are joined together in an airtight manner forming an inflatable box-shaped storm window to fit within a window opening. A valve extends from one of the side walls to admit air or some other gas to inflate the storm window in situ. A compressible seal member is adhered to the side walls about the entire periphery of the storm window for sealing within the window opening.

Abstract: A heat insulation panel is adapted to be mounted in a window frame and includes a pair of spaced substantially flat face sheets connected by a plurality of connector strips extending therebetween. The peripheral edge of the panel is sealed by a gusset strip in air tight relation. The gusset strip has a firmer hand than the face sheets and is approximately 25% heavier in gauge so that upon inflation the edge of the panel remains substantially flat in order to form a broad substantially air tight seal with the periphery of a window frame in which the panel is inserted. The gusset edge also can cooperate with the edge of an adjacent panel to form a substantially air tight seal therebetween.

Abstract: An adjustable manhole is disclosed having telescoping tubular members which can be fixed in a number of relative axial positions. One member carries a series of transversely oriented ribs and grooves in the interface between the members, and the other member carries a smooth wall in the interface. Locking means are engageable in selected grooves to fix the relative positions of the members.

Abstract: An accessible partition assembly is disclosed which comprises two opposed spaced-apart rows of panels, each panel having opposite vertical edges, and interior and exterior panel faces, adjacent panels meeting at joints in edge-to-edge relationship, a plurality of studs located intermediate said rows of panels, and positioned at joints between a pair of adjacent panels, panel and stud engageable means at each said joint, said engageable means comprising a first and second clip, each clip engaging a stud and one panel edge at a joint, whereby panels are demountably engaged to studs by means of a first clip engaged at one vertical edge and a second clip at the opposite vertical edge.

Abstract: A helicopter shelter in the form of an elongated generally rectangular building having a floor defining a landing pad and a superstructure including side and end walls extending upwardly from the side and end edges, respectively, of the floor and a roof cooperating with the floor and walls to define a secure, substantially weathertight enclosure. The superstructure is divided substantially along its longitudinal vertical center plane into two complementary half-sections each supported for pivotal movement about longitudinal axis extending adjacent the side edges of the floor between a closed upright position and an open position folded downward and outward. The end wall portions of the respective half-sections of the superstructure fold inward along a diagonal line extending from their lower outside corners to their upper inside corners when the half-sections are pivoted to the open position to facilitate flying onto and off of the landing pad.

Abstract: Method for the construction of a temporary shelter, comprising an even number of base modules of equal size each having an entrance at one end, the base modules being placed side by side in two rows with the base modules of one row facing in pairs those of the other row so as to form a hallway, the entrances opening into the hallway. Floor modules having the same width as the hallway are located between the pairs of facing base modules so as to join them at the bottom thereof. Two vestibule-forming modules having the same width as the floor modules are provided at the ends of the hallway so as to close it. The base modules are joined together by means of a first set of thin sheets of flexible sealing material each being removably secured between the front, the top and the rear walls of the base modules.

Abstract: This disclosure concerns a base receptical for releasably mounting standards for guard chains, and upon removal thereof receive and support decorative modular guard rails. A hollow sleeve bracket member is positioned on reinforcing rods or mesh to receive concrete for walks, verandas, stairs and the like, this hollow sleeve bracket receives a standard having a nut positioned thereon and a bolt extending through said standard and nut to nut to abut the sleeve bracket; and, upon tightening the bolt this temporary standard is firmly positioned in the sleeve bracket. By loosing the bolt the standard can be moved, and a permanent modular guard rail standard of a decorative nature inserted therein. A plurality of these sleeve brackets are preferably connected by one or more rods or rails, which are imbeded in the concrete when poured along with the major portion of the length of the sleeve bracket members.

Abstract: A clip for securing planar members, such as tongue and groove pine boards, panel boards and flooring, to wooden supports, such as furring strips. The clip is formed from a metal plate and has first and second portions struck out from the plate. The first and second portions both extend outwardly from the plate in the same direction. The first portion is angularly bent so as to form an L-shaped finger member capable of engaging a peripheral edge of the planar member to be secured to the furring strip. The second portion has a free pointed end and is angularly bent so that it can be driven back across the plane in which the plate lies and then driven into the wooden support member to which the planar member is to be secured.

Abstract: The invention is related to a process for producing prefabricated panels and tridimensional elements for building and the products obtained from said process. The panels produced are provided with a peripheral metallic frame (1), the sides of which are composed by shaped metallic sheet with an isosceles right-angled triangle cross section, the hypotenuse of which forms the outer face (4) of the panel, while the cathetus forms the inner face (2) of the frame having a width greater than the thickness of the main cement mixture layer (15) of the panel, the panels being assembled together along said inclined face and welded to form a tridimensional element.

Abstract: A hermetically sealed high pressure gas container comprising a high stren chamber for confining the gas and a check valve fitted on and soldered to a boss formed integral with the chamber. The check valve serves as a temporary seal and permits the chamber to be charged with gas under atmospheric conditions. After charging, the inlet port of the check valve is soldered closed to provide a hermetic seal.

Abstract: Filamentary members, music strings for example, are automatically coiled and the coils captured on a sheet of packaging material by feeding the members into an annular groove against a surface of a sheet of heat sealable material and subsequently shearing tabs from the sheet of material and folding the tabs over the coiled member. Coiling of the members is accomplished by feeding a first end of each member, preferably with the aid of pneumatic pressure, into the annular groove, capturing the end in the groove and thereafter causing relative rotation between the groove and member to draw the member into the groove.

Abstract: The present invention comprises a wrapping apparatus having a frame, a reciprocally driven carriage moveably mounted on the frame, the carriage being adapted to hold a rotatable roll of stretchable film material and a film width varying mechanism. A driven rotatable turntable adapted to support a load is positioned adjacent to the frame, and the leading edge of the film material is held adjacent the load. A brake is connected to the film roll to restrict movement of the web of material from the roll and the film width varying mechanism is mounted in the material path so that the film web travels through a pivotable "C" shaped assembly of the film width varying mechanism which when pivoted by spring action reduces the film web width, so that the film material is stretched and reduced in width as it leaves the roll.

Abstract: A cotton harvester with an offset head having four row units positioned for harvesting cotton planted in uniformly spaced narrow rows. The frame of the harvester is supported near its forward end by a pair of drive wheels adapted to run between two pairs of rows of cotton. The head is offset so that three rows of cotton are accommodated between the wheels and one row of cotton is accommodated outside one of the wheels. The machine drive and guide wheels can therefore be positioned between the rows for ease in steering and driving. A cotton basket on the harvester can be dumped toward the side which is unobstructed by a harvesting unit so the receiving implement can be positioned closer to the harvester and so the head which is offset in the opposite direction can act as a counterweight to balance the harvester as the basket is extended transversely for dumping.

Abstract: A plurality of divider pans are secured to the front of the header just above the reciprocating knife thereof, to collect the heads as they are severed. The pans are adjustable angularly relative to the ground and are supported by bracing means underneath the pans. Pan tail portions are adjustably secured to the underside braces and extend underneath and to the rear of the header where they are secured to the header. A reel and shield are secured over the auger and brushes extend across the gaps between the adjacent pans to catch sunflower seeds which separate from the heads as they are deposited onto the pans. Dividers are secured one to each end of the header and to the conventional reel arms which are disconnected when this attachment is secured to the header.

Abstract: A bat board construction of a harvester reel for use in harvesting soybeans includes an elongated shield of tear drop configuration having its widest dimension at the top and its lower and narrowest portion secured to a substantially rectangular bat board and operatively secured at respective ends to a harvester reel for rotation therewith. The wide end of the shield is several times greater than the narrow end and of sufficient breadth so that as the narrow end enters the crop, the relatively wide top serves to maintain separation of the stems and pods of the plant to prevent their inherent tendency when in contact to cling together and to become wrapped around the bat and reel instead of being drawn into the operating mechanism of the harvester.

Abstract: An apparatus for harvesting vine borne crops and performing other work operations having a frame adapted to be transported along the vines to cause the crops in the zone to move relative to the frame along a path through the frame, a conduit borne by the frame in proximity to the path, a system for supplying fluid under pressure to the conduit, and a plurality of vents mounted on the conduit for individually releasing the fluid from the conduit in a substantially continuous fluid stream to immerse the crops during relative movement along the path.

Abstract: A stalk-crop harvester having a chassis displaceable along the ground in a transport direction and supporting a transverse conveyor having in turn a forwardly open transversely elongated intake has a pickup formed of a front drum and a rear drum. The front drum has a front axle centered on a horizontal front axis transverse to the transport direction and forward of the conveyor intake. This front axle carries a plurality of spring tines. The rear drum has a rear axle centered on a horizontal rear axis transverse to the transport direction and between the front axis and the intake. A plurality of axially spaced rigid rear tines is fixed on the rear axle axially offset from but engageable between the spring tines of the front axle. A plurality of strippers secured to the harvester chassis at the intake extend forwardly between the rigid tines and a crop holddown secured to the chassis extends backwardly from above the front axle to above the intake.

Abstract: The method and apparatus for producing pipe cleaners each of which comprises two wires which have been twisted into interlocking spirals with fiber elements clamped between the wires. Two primary wires pass through a spinning head and three continuous strands of fibers are wound into spirals covering the wires. Holding wires are passed against the spiral strands upon opposite sides as the entire assembly moves between a pair of pulleys. As the assembly emerges, the fibers are cut diametrically of the spirals to form two continuous rows of fiber elements. Each row is clamped to its adjacent primary wire by a holding wire thus to form a workpiece. Each workpiece passes through a transfer assembly in which the row of fiber elements is clamped to a pulley by one of the wires while the other wire passes along a free loop around pulley and thence back to the row of fiber elements in the wire holding them.

Abstract: The scaffolding intended for supporting the entire structure of a spinning frame or a like machine is made of individual intermediate sections which are united to a header and a tail section and are serially connected to each other in the intermediate portion of the machine. Each section is composed by two spaced apart shell-like sidewalls connected together by tubular longitudinally extending members. The sections are united by bolting them together so that the tubular members form conduits for removing linters and like airborne materials sucked by an exhauster. Sound-absorbing slabs are inserted between every two adjoining section sidewalls to diminish the noise level.

Abstract: An installation for recovering energy from solid fossil fuels more particularly bituminous coal high in inerts consists of at least one unit in which the solid fuels are converted into gas. A gas-turbine and a steam-turbine are provided to recover the energy from the gases. The gases are freed of dust and desulfurized before the gas-turbine. The installation is characterized in that a wet-bottom boiler using the ground fuel is provided with pressure firing, the flue gases therefrom being passed to the desulfurizng unit and dust-removing unit before being utilized in the gas-turbine.

Abstract: A combustion system for gas turbines is disclosed which is capable of burning gaseous and liquid fuels. Excess air injected into the reaction zone of the combustor produces either a fuel-lean or fuel-rich mixture which lowers the temperature at which combustion occurs and thereby reduces the amount of nitrogen oxides in the turbine exhaust. Efficient combustion is maintained across a wide range of turbine loads by means of a control mechanism disposed externally of the combustor, which directs the airflow from the compressor to the reaction zone and to the downstream dilution zone respectively in a manner which permits variable, inverse proportioning of the air supplied to these zones. The variation in the pressure drop across the combustor is maintained within acceptable limits throughout the full load range.

Abstract: A cover assembly is provided to be secured to the upper end of an exhaust pipe of an internal combustion engine maintained outdoors in such a manner such that a cap forming part of the assembly will cover the end of the exhaust pipe when the engine is quiescent. When exhaust gases exert pressure in the pipe during operation of the engine the cap will be raised against gravity off the end of the pipe to permit the gases to escape. The movement of the cap between open and closed positions is a rocking movement about a pivot and normally results in considerable clatter as the parts strike metal. Means are provided by the invention to reduce the clatter.

Abstract: A hot gas engine, such as a Stirling engine, which comprises a displacer portion and an expander portion with a heat exchanger connected therebetween. The expander portion has an expander piston which is operatively connected to and rotates an expander crankshaft. In like manner, the displacer portion is provided with a displacer piston which is also operatively connected to and rotates with a separate displacer crankshaft. The two crankshafts are synchronized with respect to each other, preferably by means of an idler gear. Banks of displacer pistons can also be provided for operation on a common displacer crankshaft and banks of cooperating expander pistons also can be provided for operation on a common expander crankshaft.

Abstract: A closed circuit power system is disclosed herein having a hydraulic power device incorporated therein which includes an input piston and cylinder assemblage and an output piston and cylinder assemblage connected together by a fluid conduit so as to operate in unison. The input assemblage includes a piston moved by an input ram so as to apply a fluid pressure via the conduit to the output assemblage. The output assemblage includes a pair of pistons operating in unison in separate chambers in response to the applied fluid pressure for moving an output shaft. The pair of pistons include pressure faces against which the fluid pressure is applied which are of equal area but different shape. A selected piston of the output assemblage includes conical forward and rearward faces with a corresponding or matching concave recess in the rear cylinder wall.

Abstract: A hydraulic brake booster for a vehicle brake system which has a control valve, actuatable via an excursion-limiting spring, which directs the flow of pressure medium from a supply source as an auxiliary force means. The excursion-limiting spring disposed subsequent to the brake pedal provides for sensitive response on the part of the control valve. In event the auxiliary force fails, the excursion-limiting spring is made ineffective so that pedal travel does not occur without being utilized. A shut-off mechanism is included to make the excursion-limiting spring ineffective has a shut-off member dependent on brake actuation and to which a motion pulse dependent on brake actuation can be imparted in the area of its outset position. In this manner, the shut-off mechanism is used during each occurrence of braking and thus cannot seize as a result of corrosion.

Abstract: In a known tandem master cylinder with two regulators for use in vehicles using diagonally split brake circuits, machining and assembly of the components is time consuming which makes the device expensive to manufacture. Moreover, the arrangement is only realizable with master cylinders having a relatively large diameter. There are also functional disadvantages, particularly that in the event of failure of a brake circuit the fluid volume consumption of the other brake circuit is materially increased which further increases the brake pedal travel. To eliminate these shortcomings, the tandem master cylinder with two regulators of the present invention includes means which, in the event of failure of a brake circuit, the regulator valve of the other brake circuit is actuated mechanically by one of the pressure pistons so that the regulator valve of the intact brake circuit is kept open to enable unreduced braking pressure to be coupled to the intact brake circuit.

Abstract: A power producing loop continuously carrying water picking up geothermal heats and being made into steam and condensate that is continuously returned to said water source, with appropriate means of producing power at proper points in the loop.