Abstract: A running shoe having an outer sole and a midsole. The midsole comprises a forefoot portion, an arch portion and a heel portion all formed of a resilient material having a first durometer sufficiently low to provide good cushioning and impact absorption. Rear foot stabilization means in the form of a mass of resilient material is located and confined within the midsole adjacent the medial side of the heel portion. The durometer of the stabilization means is higher than the durometer of the midsole to provide resistance to compression at the medial side of the heel portion, thereby lessening the tendency of the shoe to overpronation. In one embodiment, the stabilization means comprises plural plugs confined fully within the midsole. In another embodiment, the stabilization means extend through the outsole and into the insole.

Abstract: A sports running shoe constructed to minimize impact shock and to maximize lateral stability. The shoe's midsole is formed with a medial layer portion having one overall firmness, and a lateral layer portion having a lesser overall firmness.

Abstract: An outer sole (16) for use with an athletic shoe (10) is disclosed. The outer sole (16) is comprised of a base member (18) from which three layers of projections extend. The layers of projections include a first plurality of horizontal bars (24) whose width varies in accordance with the load exerted on the bottom of the sole during normal running; supplemental and intermediate bars (26, 28) extending downwardly from the first set of bars (24); and pairs of ridges (30) extending down from each intermediate bar (28) adjacent the lateral edges of the intermediate bars (28).

Abstract: A rake for use with tractors has a blade connectable to a tractor and a plurality of teeth extending from the bottom of the blade. The teeth are pivotally connected to permit movement of the teeth away from objects encountered when the tractor moves. Fluid piston and cylinder combinations interconnect the teeth with the blade so movement of the teeth displaces pressurized fluid within the piston and cylinder combinations. The pressurized fluid reverses the pivotal movement when the teeth clear the objects.

Abstract: A minimal parts, quick picture frame, for framing paintings, pictures, photographs, graphics, weavings, etc., for viewing, centers on the use of at least four framing pieces, i.e. two sets of opposite pairs, all made by cutting them from a continuous type plastic extrusion, formed to frictionally and resiliently grip the other components of the picture mounting composite. No additional hardware or fasteners are used to hold the pieces of the frame together, nor are tools needed, following the cutting of the extrusion. Selected lengths of these generally mitered cornered framing pieces all grip the edges of a picture mounting composite, comprising the overall assembly of a picture, painting, etc. and other related mounting material, such as backing boards, glass or clear plastic covering, etc.

Abstract: The present disclosure is drawn to a blind and more particularly a portable blind of two piece construction which is easily and readily assembled on location. The portable blind comprises an umbrella portion and a skirt portion which, upon assembly, are fixedly secured together so as to form a unitary camouflaged enclosure.

Abstract: The assembly for poison baiting rodents comprises a housing, an elongated hollow tubular element and a cover. The housing has an inner chamber that is sufficiently large to contain poison bait material. The elongated hollow tubular element has a coupling end and a length effective to fit the element inside the inner chamber of the housing when it is detached from the housing. The outer wall configuration includes an opening to receive the coupling end of the tubular element. The tubular element has a bore size sufficient to allow rodents to enter the inner chamber to feed on the poison bait while preventing larger animals from entering the inner chamber when the element is attached to the wall. The tubular element has a length sufficient to prevent animals other than rodents from gaining access to the inner chamber.

Abstract: A doll with closing eyes includes a head having a front fabric panel which is mounted superimposed on a base fabric panel. The front panel includes a pair of cut-out portions which resemble eye orbits. An eye panel which has indicia depicting a pair of open eyes and a pair of closed eyes is slideably disposed between the front and base panels. A ribbon is attached to the eye panel and passes through slots formed in the front fabric panel enabling a child to pull on the ribbon and move the eye panel so that either the pair of closed eyes or the pair of open eyes is visible through the cut-out portions in the front fabric panel.

Abstract: The present invention relates to a magnetic toy, and more specifically to a unique procedure which enables an operator to accomplish a series of unusual effects or formations, based on the phenomenon of residual magnetism. The method of the invention is made possible by manipulating a permanent magnet, a series of non-magnetic ferrous balls and a non-magnetic ferrous stick or rod.

Abstract: A carpet for providing pre-grown turf or the like is provided. The carpet comprises two layers of non-woven cloth of which at least one of the layers is made substantially from flax fibers. Intermediate the layers of non-woven cloth is a layer of grass seeds.

Abstract: A storm unit for installation in an existing window system to provide for greater insulation and weather protection. The unit includes a pair of side rails for replacing the existing inside stops of the window. The rails have a pair of parallel, vertically-extended grooves formed therein into which are buckled deformable, transparent panels whereby the panels can be raised and lowered. The top and bottom edge of each panel has a horizontally-extended cap secured thereto. When the panels are closed against the window frame, the bottom cap of the upper panel is horizontally aligned with the upper cap of the lower panel. A weathertight seal is provided that is capable of sealing the region between the adjacent faces of the two aligned caps when the panels are placed in a closed position.

Abstract: The invention relates to a removable tilt-out window construction in which a window may be rotated 90.degree. from its normal vertical position and such rotation causes a slidable block connected to a spring counterbalance to be locked in place to prevent violent release of the spring upon removal of the window. The invention describes a weather strip (30) having a slidable block (68) with a rotatable locking cam (90). Slidable block (68) rides on tracks (64 and 66). Locking Cam (90) can be rotated so that it forces tracks (64 and 66) against the sides of slots (110 and 112) to frictionally engage the slidable block (68) into a fixed position. A window sash (22) is connected to the locking cam (90) to provide rotation thereof to lock slidable block (68). Window 22 may be removed from engagement with locking cam (90) if desired.

Abstract: Automatically operable automotive vehicle gate apparatus provided with self protection and automotive protection. The gate apparatus includes operational mechanism which moves a gate member within a gateway between a closed position and an open position. The gate apparatus also includes structure which permits the gate member to be moved to an open position when opening forces are applied thereto, without operation of the operational mechanism. Thus, the gate apparatus is protected against damage. The gate apparatus also includes mechanism which permits the gate operation mechanism to move from an open position to a closed position while the gate member remains in an open position. Thus, if an automotive vehicle should be within the gateway when closing action of the gate operation mechanism occurs, the automotive vehicle is protected against damage.

Abstract: An improved linkage mechanism for the opening and closing of a transom-type window, allowing for the window sash to fit tightly within the window frame in a closed position while, on the other hand, allowing for maximum open space for escape through the window frame when the window is opened. A tight fit between the sash and frame of the window is accomplished by having flanges on the sash and linkage means which causes the window sash to be first translated away from the window frame upon opening, providing enough clearance for the window to then be pivoted to an open position on a pivotal axis disposed away from the frame. The linkage is also designed to allow for maximum open space for individuals to escape through the window frame in an open position and a latch mechanism for holding the window in the full-open position for escape.

Abstract: The disclosure is of a mechanism for raising and lowering a window, such as the window of an automobile, the mechanism being of the type in which a flexible belt or chain connected to the window is moved along a fixed track, and a window counterbalancing spring is provided.

Abstract: A modular sheet metal door structure consists of a plurality of upright modules of the same length which are fixedly connected to one another and have coplanar main webs forming one face of the door. A sheet metal sheath fixedly connected to side webs of the modules forms the other face of the door and has upright marginal portions which closely embrace the modules to form upright door sides. Identical sheet metal header means are fixedly secured to the ends of the modules to provide the ends of the door, and the header means are constructed to be detachably connected to stems by which the door may be suspended from track-mounted carriages for sidewise movement with either end of the door up.

Abstract: In order to increase its production rate, a grinding machine has two work tables situated one on each side of a grinding wheel. The tables each have a workpiece holder having a chuck which holds at least a workpiece. In this way the two workpieces can be ground simultaneously by the single grinding wheel. The chucks can be rotated step by step at the same instants as each other so that tooth gaps can be ground simultaneously on the two workpieces. The two tooth gaps, the shape and dimensions of which are dependent upon the profile of the grinding wheel, and which are ground simultaneously will be identical to each other.

Abstract: A portable grain storage bin for storing grain and a method of erecting same is disclosed. The bin comprises an outer circular wall composed of wire mesh which is pegged to the ground, and an inner plastic lining material which is closed at the top after filling of the bin.

Abstract: The invention provides prefabricated building units for constructing buildings.Each unit consists of a structure having the shape of a right prism comprising a lower frame, an upper frame and uprights having a V-shaped section. In general a building unit also comprises an upper wall and a lower wall connected to the top portion of the upper frame and lower frame respectively. Each of these walls forms with the frame which supports it an empty box open at the bottom. The joining by bolting together superposed and/or juxtaposed building units constitutes the fabric of a building.

Abstract: A space enclosing structure, the underlying shape of which is a portion of a polyhedron comprised of a regular arrangement of regular pentagons, equilateral triangles, rhombi, right angled parallelograms and rhomboids. The structure permits the use of square and/or rectangular standardized prefabricated square or rectangular building units such as doors, windows, solar panels, etc., without any alteration of the basic shape of the structure, as such prefabricated units may be used to replace any of the square or rectangular faces of the polyhedron. Each face other than a right angled parallelogram is abutted on each side by a right angled parallelogram. Each right angled parallelogram is abutted on two opposite sides by rhomboids and/or rhombi and on the other two sides by a pentagon and a triangle.

Abstract: Multi-wall devices embodying two or more spaced members arranged to provide an enclosed space therebetween for controlling the transmission of energy through the members for the purpose of capturing, storing and releasing energy.

Abstract: A window frame and a glazing strip or rim for a window panel in which the frame defining a window has a J-shaped channel with its open side facing toward the opening in the frame. The panel is surrounded on at least three sides of a rectangular panel by the glazing strip or rim which has a leg integral therewith and which is received in the frame channel. Such leg is flexible and resilient and can be bent to permit the free end thereof to ride over the shorter wall of the channel and snap into the channel. Preferably, the portion of the rim from which the leg extends is U-shaped in cross-section and embraces the outer edge portions of the panel. A resilient gasket is between the rim and the frame. If the rim is of metal, the wall of the rim remote from the frame has a line of weakening for tearing purposes. A resilient strip may be inserted between the leg and a portion of the rim. Also, a tool for inserting the panel in the frame and a double-glazed window.

Abstract: Penetrations or passageways through fire resistant walls, floors, partitions and ceilings are frequently necessary to provide for present or future pipes, cables or conduits. A device fixed to the walls of the penetration provides a barrier to prevent the passing of fire, heat, smoke and toxic gases, and water through the penetration under adverse conditions of fire or elevated temperatures. The device includes at least one end cap capable of providing a cold smoke seal. An intumescent material which in the event of excessive heat or fire, foams and expands to substantially fill the penetration, is provided. The device may include a laminated restraining layer to provide assurance that the char formed during the intumescent reaction to fire and heat, is generated so that the penetration cavity is optimally filled.

Abstract: The inventive system interconnects molded resin panels to form a secure and reliable pool wall. Each panel 10 has a facing wall 11, base flange 12, and top flange 13, and each end of facing wall 11 has vertical margins 15 approximately aligned with wall 11 and juxtaposed between adjacent panels. Each margin has an outer groove 16 and an inner groove 17 that extend for the vertical length of margin 15 and are spaced laterally and disposed obliquely to each other. Panels 10 are positioned in a predetermined orientation to each other and are joined together at their margins by vertical locking strips 20. Locking strips 20 have an H-bar shape with a cross web 21 positioned between juxtaposed margins 15 and inner span 22 and outer span 23 overlapping margins 15. Acutely in-turned ribs 14 on the vertical edges of inner and outer spans 22 and 23 engage in margin grooves 16 and 17 and secure margins 15 together.

Abstract: A formed sheet metal stud having a flange on the opposite side of the wall from that which is exposed to a fire, which flange is formed by a double thickness of the sheet metal which is loosely folded, leaving a finite space between the two thicknesses to function as a chimney, providing a cooling effect on portions of the stud adjacent the highest temperatures of the fire. Small holes are formed in the outer face of the loosely folded flange to permit cooler air from the unexposed side of the stud to enter the void within the loosely folded flange, where the air rises and cools the stud, and/or they permit heated air rising within the void to escape.

Abstract: This disclosure relates to a novel composite building panel formed as a plurality of generally flat exterior elements defining gaps therebetween and being in generally coplanar relative relationship, adhesive means for at least in part filling the gaps and at least in part covering inner surfaces of the elements, a generally planar sheet of plastic material overlying the plurality of elements and being bonded thereto by the adhesive, a support frame, and connectors for connecting at least one of the elements and the plastic sheet to the support frame for utilization in a building structure.

Abstract: In a suspended ceiling assembly of panels carried by spaced, elongated stringers, stabilizer bars interconnecting the stringers for maintaining the stringers fixed in position relative to each other and preventing racking of the assembly. Each stabilizer bar is a rigid element having a tab at each end for snap-fitting insertion into a slot formed in a stringer, and also having flange portions adjacent each end for bearing against a stringer surface along spaced extended lines of contact, when the tab at that end is inserted in the stringer, to prevent angular movement of the stringer relative to the stabilizer bar.

Abstract: The disclosure concerns a multipurpose structural unit for fastening parts of buildings, or the like, together. The unit comprises a longitudinally elongaged bar, which may be either solid or hollow and which may be comprised of various different materials. The bar has two opposite transverse sides and two opposite end sides which joint the transverse sides. At least one longitudinal groove is defined in each transverse side of the structural unit, and a longitudinal groove may also be defined in each end side of the structural unit. The surfaces between the edge of the groove in the transverse side and the end side of the structural unit slant obliquely inwardly toward the center of the structural unit, whereby the structural unit has a generally octagon shaped exterior profile or cross-section. The cross-section shapes of the longitudinal grooves are disclosed.

Abstract: Disclosed is a device for successively conveying flat folded boxes from an aligned stack into an opening station wherein each box is automatically opened and the box bottom is simultaneously folded into position. Also disclosed is a box to be used in said device.

Abstract: A magnetic clutch is provided for transmitting and limiting the torque in screw-on heads for screw closures. The clutch has a high number of poles (at least eight and preferably twelve poles) and the spacing between the clutch magnets, is at least six times the total axial tolerances between the clutch magnets.

Abstract: An apparatus for automatically sealing cartons which includes a mechanism for automatically infolding the leading and trailing top flaps prior to the application of the adhesive material.

Abstract: The invention relates to a sheet metal container adapted so that it can withstand an internal pressure. The container comprises two combined shell-shaped cavities, compression-moulded from the same web which cavities are brought together as the web is doubled along pre-impressed folding lines in two steps, namely a first step wherein the longitudinal edges of the web are joined together to form a tube of an elongated, substantially triangular cross-section, and a second step when the tube formed, after the contents have been introduced, is pressed flat and is sealed around the shell-shaped cavities. Finally the web is cut or punched around the hollow bodies formed by the shell-shaped portions to form a flange, closed in itself, which flange is folded down or beaded.

Abstract: An improved type of lawn mower that incorporates two cutting blades rotatably mounted in separate housings diagonally opposed to each other at the bottom portion of the lawn mower housing. The diagonal mounting of the cutting blades permits cutting overlap and an increased cutting path. A cleaning blade assembly is mounted on each of the cutting blades to aid in the efficient removal of grass clippings from the walls of each of the blade housings, through individual exit chutes preferably located on the same side of the mower housing or deck so that large areas of long or damp grass can be cut with a significant savings in time and labor.

Abstract: For separating nuts from orchard trash in a windrow, the mixture of nuts and trash is picked up and deposited on the forward end of a foraminous conveyor enclosed by a housing connected to a fan inducing a vigorous flow of air through the conveyor. Variously arranged baffles, walls and guide plates direct the air rearwardly to enhance separation capacity and form settling zones to increase separation efficiency. Provision is also made for abruptly changing the direction of movement of the nut and trash supporting upper run of the conveyor to dislodge and tumble the nuts and the trash as they traverse the separation zone where the flow of air emerges through the upper run, thereby effecting even more rapid and efficient separation.

Abstract: The object of the process is to produce a yarn comprising a core of continuous filament and a sheath of staple fibers. The staple fibers are delivered to a suction surface comprising a perforated collecting surface exposed to relative suction in a suction zone, the fibers being conveyed in a current of air moving virtually at right angles to the surfaces of two counter-rotating friction discs having narrowly spaced opposing faces defining a gap. From the suction zone, the staple fibers are transferred, generally at right angles to the axis of the current of air, into the gap. The continuous filament is united with the staple fibers in the suction zone, and both components are twisted in the gap between the counter-rotating friction discs.

Abstract: The invention relates to winding a yarn on a package. A package tray is provided which in an operative position retains the package out of contact with a package driving roller against the effect of a restoring force tending to move the package into driving contact with the driving roller. Retraction of the tray to an inoperative position so as to enable the package to be brought into contact with the driving roller is effected by reducing the restoring force.Preferably, the invention includes open-end spinning means for producing the yarn and retraction of the tray to the inoperative position takes place during a yarn piecing-up procedure.

Abstract: A machine for producing self-twisting yarns has a plurality of working positions at each of which is means for feeding a yarn to be treated and means for treating the yarn, there being an operator access zone between them. The means for treating the yarn include, arranged vertically, a positive yarn delivery device, for delivering two yarns in parallel, means for imparting an alternate twist to at least one of the two yarns, and for permitting the self-twisting of the two yarns around one another, and means for winding up the yarn produced.

Abstract: A device for inserting a sensor into the exhaust conduits of an internal combustion engine, wherein the support of the sensor is formed by the sealing element of the assembly gaskets of these exhaust conduits. In accordance with a first variation the sensor is inserted by means of the gasket located between the manifold and the exhaust pipe, and in accordance with a second variation the sensor is inserted by means of the gasket located between the cylinder head and the exhaust manifold. This gasket may comprise several sensors, one per exhaust port. The sensor to be inserted may in particular be of the electrochemical collector type comprising a measuring cell of the concentration-stack type.

Abstract: The output of an exhaust gas sensor disposed in the exhaust system of an engine is amplified by a variable gain amplifier circuit. The gain of the amplifier circuit is controlled so that the peak output voltage thereof is kept constant irrespective of changes in the output of the exhaust gas sensor due to, for example, its deterioration. The output of the exhaust gas sensor is integrated and compared with a reference value by a comparator circuit which generates a reference voltage variable with the output waveform of the exhaust gas sensor whereby a stable feedback control is realized even though the air-fuel ratio of the mixture produced from a carburetor is greatly changed.

Abstract: The hydraulic turbine system includes:an electric generator;rotary turbine blades;a hydraulic pump for operation by rotation of the turbine blades;a hydraulic motor for driving the generator;a hydraulic reservoir;and connections between the pump, the motor and the reservoir for causing the motor to operate in response to rotation of the turbine blades by water flow.In the present improvement, the turbine blades and the hydraulic pump are unified in an axial flow unit which has an annular outer casing through which water flows to drive the turbine blades which in turn drive the pump. The motor, the generator and the reservoir may be located remotely from the axial flow unit. The axial flow unit is preferably generally U-shaped so that it can be placed inverted over a dam with the legs extending down into the water on opposite sides of the dam.

Abstract: An automotive energy managing transmission comprising a differential for splitting the power to mechanical and hydrostatic branches. The transmission is adapted to operate in several modes: hydrostatic in the city, hydromechanical and mechanical on the highway, regenerative braking and engine starting. The transmission includes an energy storage means and allows the engine to operate intermittently during city driving.

Abstract: A hydraulic circuit is provided to prevent overspeeding the prime mover powering a hydrostatic transmission. The hydrostatic transmission includes a hydraulic motor fluidly coupled to a hydraulic pump. The hydraulic pump is driven by the prime mover and the hydraulic motor drives a rotational load. The hydraulic pump includes a swash plate tilted by a servomechanism. The servomechanism receives hydraulic fluid from a pump powered by the prime mover. A valve is operated to shut-off the hydraulic fluid to the servomechanism in the event that the pressure in either of the two conduits joining together the hydraulic pump and the hydraulic motor exceeds a pre-set maximum value or if the pressure in an auxiliary line exceeds the same pre-set maximum value or if the sum of the two pressures exceeds the pre-set maximum value.

Abstract: A compound master brake cylinder assembly (10) for a braking system, the cylinder assembly having a reservoir (34), a first low pressure cylinder (72), and a removable high pressure cylinder (58). A relief valve (84) is provided with a poppet valve (104) normally biased to a closed position. The relief valve (84) extends between the low pressure cylinder (72) and reservoir (34) and is responsive to first cylinder (72) pressure and outlet pressure through pilot passageways (114 and 111, respectively) to vent fluid from cylinder (72) to reservoir (34) to progressively reduce the pressure in the cylinder to insure that the force applied by push rod (14) does not substantially vary while cylinder (72) pressure is being reduced after outlet pressure exceeds a predetermined position.

Abstract: The flow performance of the geothermal wells represents the ability of the wells to produce useful heat. A liquid-dominated geothermal well can be made to flow by introducing a primary fluid at a selected level in the well. In the process disclosed herein, a primary fluid is introduced into the well casing through a plurality of valves at preselected elevations to accomplish the startup of the flow from the well, the continuous or intermittent, uninterrupted production of brine, and a regulated shutdown. In normal flowing operation, upon injection of the primary fluid through the valves into the well casing, the primary fluid vapor, together with geothermal steam will lift the brine from the depths of the well to the surface of the earth, where the geothermal heat stored in the brine and in the vapors that are co-produced with the brine can be further utilized.The process disclosed herein also minimizes the formation of scale in the well casing.

Abstract: A modified Stirling cycle type engine (10) includes a pair of cylinders (12,14) in which pistons (16,18) are reciprocably mounted to define a hot and cold side to the engine, a passageway (30) interconnecting the cylinders (12,14) and a regenerator (32) and a cooler (34) in the passageway (30). Exhaust and intake valves (50,54) permit exhaust of working fluid from and supply of fresh air to the hot side. A fuel injector (38) and fuel igniting means (36) are provided for injecting fuel into the passageway (30) adjacent the hot side for admixture with working fluid passing therethrough and ignition within the hot side cylinder (12).

Abstract: Circuitry for controlling the temperature of a thermoelectric environmental chamber includes a pair of digital switches for selecting any desired temperature between -10 degrees C. +79 degrees C., the digital slide switches selecting tap points of a group of series connected resistors forming a feedback loop of an operational amplifier. Three resistors connected in series with the output of the operational amplifier and the feedback resistors produce a plurality of voltages that represent upper and lower limits to tolerance range about the selected desired temperature. These voltages are compared by means of a plurality of comparators to a voltage produced in response to a solid state temperature sensor located in the thermal compartment of the environmental chamber. Decoding circuitry decodes the outputs of the comparators to produce signals which control switching devices that control the direction of current through a thermoelectric heat pumping device.

Abstract: A cold surface, (e.g. for use in a so-called cryopump, i.e. a cryogenic vacuum vapor pump), is formed by a reservoir for liquid hydrogen surrounded by a double-wall vessel over an intervening evacuated insulating space. The lowest points of the compartment formed between the walls of the double-wall vessel and the interior of the liquid helium reservoir are connected by a conduit provided with a valve.

Abstract: The invention pertains to method and apparatus for servicing refrigeration circuits wherein the refrigerant is removed from the circuit and the circuit recharged. In accord with the invention the recovered refrigerant may be reprocessed for recharging the circuit, or the recovered refrigerant may be stored and fresh refrigerant employed for circuit charging purposes. Further, the invention contemplates the removal of oil from recovered refrigerant, and the charging of a predetermined amount of lubricating oil into the recharged circuit.

Abstract: A heat pump system in which the compressor speed is varied in response to load conditions by a programmed control system and the indoor coil fan speed, during heating operations, is proportioned to compressor speed as further modified by the outdoor air temperature.

Abstract: The invention relates to a valve unit for a refrigeration plant of the kind used for controlling the flow of refrigerant from the evaporator to the compressor. The closure member for the valve unit is controlled directly or indirectly by a movable wall of an expansible chamber filled with a refrigerant medium having vapor and liquid phases. The pressure exerted by the vapor phase of the medium provides a bias in a valve closing direction which is directly related to the temperature of the liquid phase. A heat transfer element such as a heating resistor in the liquid phase is heated or allowed to cool in a controlled manner by an external control unit. A temperature responsive sensor element in the liquid phase of the medium is part of a feedback system for the control unit which allows a selected temperature to be maintained in the chamber which results in a desired constant pressure in a valve closing direction to be maintained in the chamber.