Abstract: A rotating display which gives the illusion of simultaneous movement in both the clockwise and counterclockwise directions is disclosed. The rotary display inclues a rotary reflector having a plurality of light reflecting surfaces formed thereon. Each of the light reflecting surfaces is planar and lies in a plane different from each of the reflecting surfaces located adjacent thereto. Means for rotating the reflector about a predetermined axis is provided. A reflective diffraction grating surrounds the reflector and reflects light emitted from a light source onto the reflector and out towards the observer of the display.

Abstract: A remote control dummy launcher or bumper launcher for training retrieving dogs, incorporating a power handle of the type designed for explosive release of gas from a blank cartridge for launching a bumper or dummy mounted on the launching arm of the power handle. The launcher includes housing means supporting the power handle, a stable base for directing the power handle at a desired angle, trigger means mounted to the housing for engaging, controlling or releasing the firing pin actuating means of the power handle whereby a dummy mounted on the launching arm may be explosively launched. Radio receiver output circuit means for controlling a power supply to said launcher and for sequentially firing a plurality of such launchers are also described.

Abstract: A revolver having essentially conventional cylinder, trigger, and cylinder pawl is provided with a novel and positive acting cylinder latch arrangement wherein the trigger has a trigger pivot portion formed with a transverse pivot hole and with a longitudinally extending actuator receiving slot through which the trigger pivot pin extends, a cylinder latch actuator is slidably mounted within said actuator receiving slot and on said trigger pivot pin for limited longitudinal and rotational movement on said pin within said slot, and a cylinder latch is pivotably mounted for rotation of the nose portion thereof into and out of engagement with the cylinder latch notches formed in the outer surface of the cylinder.

Abstract: A simulated fish skin impervious to the elements having the flexibility, shape, reflective quality, iridescence and other general features of the particular fish species desired prepared by sandwiching a thin, shiny material with an embossed surface between layers of a clear, flexible plastic joined together at the periphery of the fish skin representation. The structure can be made more lifelike by coloring in the appropriate areas with India inks or other suitable dye material.

Abstract: A novel fishing leader having adjustable loops for gripping a bait. A tubular sleeve, slidable relative to the line, as a fishing hook mounted in an opening in the sleeve. The sleeve and hook are slidable to close the loop and grip a bait securely therein adjacent the hook, without injuring the bait.

Abstract: A toy configured to simulate an insect with wings is disclosed. The toy has a main body section to which a tail and a head section are attached to form an insect body. Two wings are rotatably mounted for disposition on both lateral sides of the main body section. A mechanism is provided to cause simultaneous flapping of all the wings. A cavity having a pivotable cover plate is provided in the head section. Various toy appendages such as a toy doll may be placed in the cavity.

Abstract: A toy having a chassis generally configured to simulate a cash register and a mechanism for numerically displaying a price of specific merchandise depicted on a card, is disclosed. The mechanism includes a first and a second panel of the chassis which define a slot wherein the card is at least partially positioned for pictorially displaying the merchandise. A member or plate positioned in the slot supports the card in its position wherein the merchandise is pictorially displayed. The member or plate may be removed through a child actuated lever mechanism to allow disposition of the card behind a plurality of transparent portions of the first panel. The transparent portions of the first panel are configured and adapted for displaying a plurality of numerals when reflection of light is blocked in predetermined parts of the transparent portions.

Abstract: An aerodynamic device for being launched for flight through the air and having three inherent parameters of rotation while moving through the air, the first being a yawing vector imparted by the launcher as the device rotates about its own center of symmetry, the second being a roll vector as it rotates about an axis parallel to its direction of flight, and the third being rotation of the device very slowly about a center which is determined by the launching point whereby a boomerang action is provided.

Abstract: A folded glider which is constructed from a single sheet of material such as lightweight cardboard, plastic foam sheet material and the like comprises a symmetrical trough-like fuselage carrying a pair of swept-back wings and an inverted "V" tail which extends above the wings at the rear end of the fuselage. A portion of the sheet material may be folded or repositioned near the forward end of the glider, and folds defining the roots of the wings and tail may be angularly offset from one another to provide stabilizing drag at the rear of the glider.

Abstract: An airborne, free floating, lift-weight balanced toy for manual manipulation includes a closed envelope of polyethylene terephthalate (Mylar) filled with helium. The envelope is exactly counterbalanced with one or more ballast members so that the toy will assume a position at a desired distance from the floor or ground when it is let free. Such ballast members are made up of a plurality of weight control modules spirally arranged with respect to each other and held onto the skin of the toy by double face adhesive. In one form of the invention, when such a toy is initially filled with helium and a ballast member is in place, it will have a static balance such that one portion will always come back to being the bottom portion. In a second form, two ballast members are placed so that the toy will remain oriented in space in whatever position it is manually placed, if there are no outside effects except gravity and the lifting effect of the helium working on it.

Abstract: A lighting system for toys such as floating disc toys wherein a plurality of point light sources are spaced apart in the plane of movement and are energized intermittently by a battery through a circuit which utilizes a single multi-NAND gate chip and finger resistance for switching.

Abstract: A toy for a pseudo-medical kit, such as a make-believe reflex hammer, stethoscope, thermometer, sphygmomanometer or syringe, has a nonfunctional mobile part which resembles a functional element of the instrument simulated thereby and whose displacement or deformation produces a perceptible indication, such as the lighting of a lamp, a whistling sound, or the display or a numerical or pictorial reading.

Abstract: A merchandising and display holder for releaseably supporting a plurality of Christmas trees, including a main central supporting post with a plurality of hinged radially extending vertically swingable holding arms which are carried by a vertically adjustable bracket on the supporting post. The outer end of each arm is provided with a tree trunk receiving fork arranged with a hook which enables a rubber band or other suitable tie member to releaseably retain the tree trunk in the fork in an upstanding display position. The butt end of each tree trunk may be supported directly on the ground or, if desired, placed in a water container. The main post is arranged to be supported by a base structure which includes a stake arranged to be driven into the ground at a desired display location.

Abstract: Tail-gate operating and locking apparatus for tail-gates utilized in refuse handling vehicles. The apparatus includes hydraulically operated means with a piston rod pivotally connected to the tail-gate and a cylinder pivotally connected to a latch mechanism for locking the tail-gate on the vehicle body. The latch mechanism comprises a bell-crank pivotally connected to the hydraulic cylinder and a locking element pivotally connected to the bell-crank and having a latching pin adapted to engage a hook secured to the tail-gate in a closed position thereof. A ramp element is rigidly attached to the vehicle body. The ramp element is provided with a cam surface to guide the latching pin during its reciprocating movement from and into engagement with the hook.

Abstract: A window with a sash mounted in a frame has elongated draft stops extending along the rails of the sash. The draft stops are disposed in the frame and normally project out to overlap the sash rails. The draft stops are retractible outwardly beyond the outer edges of the rails and the sash is mounted to turn about its vertical centerline when the draft stops are retracted. When a handle mounted in the frame is turned in one direction, it operates a mechanism to retract the lower draft stop. The side draft stops retract in response to retraction of the lower draft stop and this, in turn, raises the upper draft stop so that all of the draft stops are retracted together. Turning the handle in the opposite direction returns all of the draft stops to their projected or active position.

Abstract: A door is disclosed which is primarily intended for application as a door being resistant to fire.This door having a more particularly metal frame, whereby disposed on the door frame is a material which foams under the effect of an increased temperature. Said material is applied in the form of a strip in the rebate of the door frame. Further, said material can be protected by means of a cover being wider than the strip of said foamable material, whereby the projecting portions of the cover bear tightly against the frame. One projecting part of the cover is disposed in one of the rooms, and the other projecting portion in the other of the rooms separated from one another by the door.

Abstract: The present application provides a finishing chamber lining, particularly suited for use in an industrial type finishing machine, comprising a compressible elastomeric substrate having a particulate, insoluble, abrasive material uniformly distributed therethrough and having a working or outer surface, the abrasive material having a particle size between one (1) and 100 microns and a hardness, as measured on the Mohs Hardness Scale, of at least one (1), the abrasive material being insoluble in the elastomeric substrate and in reactants and solvents employed in producing the same, the working surface comprising an outermost abrasive-interspersed, gripping surface which is adapted to be self-regenerating upon erosion in use. The finishing chamber lining increases the work action within the finishing chamber and minimizes inactivity, depression, or dead spots within the finishing chamber when in use with loose finishing media and workpieces to be finished therein.

Abstract: A cylindrical grinding machine comprising a work spindle, reversible motor means for rotatively driving the work spindle in a first rotational direction during a machining operation and in a second opposite rotational direction, means for stopping the work spindle, rotating in the second direction, at a predetermined angular position including key means secured to the work spindle at a predetermined angular position, bracket means mounted for pivotal displacement from a raised position to a lowered position, means for maintaining the bracket means at the raised position, stop means mounted on the bracket means for pivotal displacement from a retracted position to an advanced key blocking position, means for displacing the stop means from the retracted to the advanced position whereby rotation of the spindle in the second opposite direction will engage the key with the stop means rotatively displacing the bracket from the raised to the lowered position and means for maintaining the spindle means at the selecte

Abstract: Partitioning for preventing the spread of fire or smoke through wall apertures created by the burning of plastic pipe. Pre-stressed metal squeezing elements are retained by plastic bolts which melt at about 120.degree. C., releasing the squeezing elements and permitting them to squeeze together the heat-softened plastic pipe. An insert of foamable material may additionally be used to supplement the aperture sealing effect.

Abstract: The invention concerns a suspended shelving storehouse construction comprising a foundation, spaced apart vertical columns rising from the foundation, a load-bearing ceiling supported by said vertical columns, a series of tension bars each secured to the load-bearing ceiling at spaced intervals between the vertical columns so that the tension bars are suspended substantially vertically from the ceiling between adjacent columns, and shelving girders mounted horizontally between adjacent tension bars.

Abstract: A structure made of subassemblies and a method of assembling a structure wherein the floor and an end wall are first erected followed by positioning a set of U-shaped members on the floor and adjacent each other with the U-shaped members secured to each other and the floor to provide a rigid self-supporting structure.

Abstract: A skylight cover which can be used as a heat and smoke vent for a roof of a building includes a cover which deforms and disengages from a curb structure on the roof, and is coated with a thermally insulating coating which thermally protects the cover from the cooling effects of ambient precipitation.

Abstract: The disclosure is of apparatus, and the positioning and adjustment thereof within a form in which a pre-tensioned pre-stressed concrete structural member is to be cast, for holding a tensioned strand extending through the concrete against movement after release of the tensioning force, thereby to prevent the formation in the cast body of the weakened zone known as the "development length.

Abstract: An exterior building cladding system has anchor and washer arrangements for securing horizontal furrings in spaced relation to one another and to the exterior of the building. Top hanger on inside surface of the panels is mounted on the horizontal furring and the bottom hanger of the top panels are joined to top hanger of adjacent bottom panel by a horizontal spline which mounts the horizontal furring. Side hangers of adjacent panel are joined together by a vertical spline.

Abstract: For obtaining a roofing element of the slate type, a synthetic material such as polyethylene, polypropylene or polyvinylchloride is mixed with a charge, such as chalk, kaolin, dolomite, talc, and with carbon black. The proportion by weight of synthetic material is between 30 and 60%, whereas that of the charge is between 20 and 60% and that of the carbon black is between 0.5 and 5%. The mixture is extruded and then calendered.

Abstract: The seam joins metal roofing panels of the standing rib type with a water-tight seal. The seam utilizes an integral sealing cap having distal flanges, reentrant flanges and a web which is planar prior to bending. The sealing cap encloses a standing rib joint defined by upstanding flanges each having a plurality of tabs extending therefrom. The web of the cap and the tabs are bent into inverted U-shaped configurations. The tabs are captivated between the reentrant flanges and the bent over web thereby locking the panels together. Sealant carried by the distal flanges is compressed between the same and the upstanding flanges to form a water-tight seal. A method for forming the seam is also provided.

Abstract: A pneumatically supported structure is constructed by securing a flat sheet of elastic membrane to a foundation, and then stretching the membrane to form the structure by inflating the membrane with air under pressure. During the stretching by inflation, the membrane may be partially constrained by rigid or flexible members. Plastic foam material may be applied to the inner or outer surface of the membrane once the membrane has been stretched, the plastic material being preferably polyurethane. After inflation, the membrane can be further stretched by forcing members within the confines of the membrane, against sections of the stretched membrane. Preferably, the plastic membrane is a sheet of butyl rubber.

Abstract: Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament, the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exposed on an exterior surface. The dosage forms have a consistency of release of medicament which can be controlled to exacting specifications. The disclosed solid dosage forms are prepared by high speed automated equipment and the process by which they are made is characterized by non-destructive quality control analysis and performance evaluation both conducted on-line and integrated into the manufacturing operation. Included in the scope of the disclosed invention are certain apparatus and methods of manufacture.

Abstract: There is provided a coin packaging machine of the type in which one packaging operation is controlled by one revolution of a cam driving shaft. The coin packaging machine is provided with an apparatus for processing irregularly stacked coins.

Abstract: A capping machine for application of sealing caps which cover the bungs of a variety of liquid containers which comprises a cap holder with a vertical cylindrical shape in which a plurality of sealing caps is piled up with the upward open ends to form a cylinder, a horizontal circular band made of a resilient material which is arranged at the bottom of the cap holder, making the internal surface thereof identical to that of the cap holder, a pneumatic system which intermittently inflates the internal surface of the resilient circular band toward the center thereof, a sucking member which takes down and holds a sealing cap located at the extreme bottom of the sealing cap pile in the cap holder during the period in which the resilient band holds a sealing cap second to the bottom, and a means which changes the direction of and carries sealing cap held by the sucking member and applies the same to a bung of a liquid container.

Abstract: Disclosed herein is a lawn mower comprising a prime mover mounted on a housing and including an output shaft extending into the housing, a first pulley sheave fixed to the output shaft for common rotation therewith and including an inclined surface, a blade assembly mounted on the output shaft for relative rotation therebetween and including a cutter blade, and a combined pulley sheave and brake drum fixed to said cutter blade, which combined pulley sheave and brake drum includes a pulley sheave portion comprising an inclined surface facing the inclined surface of the first pulley sheave and a brake drum portion, an endless member trained between the inclined surfaces, an idler pulley around which the endless member is trained and mounted on the housing for movement between a first position locating the idler pulley to remove slack from the endless belt, thereby drivingly connecting the first and second sheaves for common rotation, and a second position locating the idler pulley to permit slack in the endless

Abstract: In turf maintenance machines, lifting and lowering of e.g. cutter units and partial counterbalancing of such units in their working positions may be provided by hydraulically actuated means comprising at least one selector valve, the or each valve having ports connected with at least one unit lifting ram, a pump, a reservoir and an accumulator. An operator can be certain that, when a unit is lowered to the ground, the required degree of partial counterbalance can be provided.The selector valve is a four position spool valve which in the "lower" position thereof permits discharge of fluid from a ram to the reservoir thereby lowering an associated unit, while connecting the pump to charge the accumulator. When the unit reaches the ground the operator moves the valve to the counterbalance position, thereby counterbalancing the unit to the required extent by connecting the ram to the accumulator.

Abstract: A cotton harvester (10) is provided with several independently hydraulically adjustable heater units (16) that are movable in unison or completely independently depending on ground plane elevation. A rotary flow divider (30) is positioned in the supply conduit (42) to the header units (16) to control synchronous movement of the units.

Abstract: The riding mower (10) includes a prime mover (12) and a cutter blade housing (28) mounted on the prime mover (12) for pivotal movement between a lowered mowing position and a raised non-mowing position. The blade housing (28) is moved between the mowing and non-mowing positions by a flexible member (56), such as a chain, having a first end (58) connected to the blade housing (28) and a second end (60) connected to the prime mover (12) and a fluid-actuated cylinder (64) including a piston rod (66) carrying an arcuate element (68), such as a pulley, which engages an intermediate portion (62) of the chain (56) and lifts it in response to extension of the piston rod (66). The chain (56) is maintained in tension and in engagement with the pulley (68) at all times by a spring-biased arm (70) pivotally mounted on the prime mover (12) and connected to the second end (60) of the chain (56).

Abstract: A tobacco leaf stripping machine is provided having an improved tobacco stripping roller that has a radially contoured nose, a transition area and a base portion which primarily engages the tobacco leaf for stripping so as to permit tobacco leaves to be continuously fed along a nip formed by a pair of counter-rotating stripping rollers as well as permitting the stripping rollers to be easily removed from the stripping machine for cleaning.

Abstract: Disclosed herein is a filament mower comprising a housing including a generally horizontal top deck and a depending wall extending downwardly from the top deck and including an arcuate portion and a side wall portion, which arcuate portion has a generally common radius extending from a common center, and which side wall portion is radially spaced from the common center at a distance less than the common radius. The mower also includes a filament head carried by the housing for rotation within the housing, wheel means on the housing for supporting the housing for travel on the ground, and a handle connected to the housing.

Abstract: Spindle for the spinning or twisting of threads on ring spinning and/or ring twisting machines providing reduced thread ballooning with a spindle head seated on the spindle shaft, said head picking up the thread upon rotation thereof via thread catchers situated on said head, wherein the thread catchers basically consist of outwardly positioned vertical, cylindrical pins which are connected to an inwards positioned cylindrical body via a radial connecting piece and the thread catchers at least partly project over the central body, wherein the highest point of the thread catcher lies between the central body and the periphery of the spindle head.

Abstract: Disclosed is a textured composite yarn composed of a first multifilament yarn having a lower extensibility and a second multifilament yarn having a higher extensibility, as well as a process for manufacturing such textured composite yarn. The first multifilament yarn forms a core yarn, while the second multifilament yarn is wrapped at least partially around the core yarn. Some individual filaments of the second multifilament yarn are entangled and interlaced with some filaments of the first multifilament yarn in the boundary region between the core yarn and the wrapping yarn.

Abstract: A double layered yarn having a sheath and core structure is prepared through a roving process, drawing process or fine spinning process. The sheath portion of the yarn is composed of staple fibers which have a high thermal shrinkage in boiling water of at least 5%, and the blended fiber ratio of which is between 50% and 25%. The core portion of the yarn is composed of staple fibers which have a property being spontaneously extensible, and the blended fiber ratio of which is between 25% and 75%. The double layered yarn is subjected to a heat treatment in hot water, and a bulky spun yarn which comprises staple fibers A and B is obtained. The staple fibers A are concentrated toward the inside of the bulky spun yarn after they are shrunk. The ends of staple fibers B are held within the inside of the bulky spun yarn, and the intermediate portions of fibers B are bulged as a loop from the body portion of the bulky spun yarn, after the fibers B are spontaneously extended.

Abstract: A chain shackle has a U-shaped body with flat parallel limbs interconnected by a bight portion with a longitudinal slit accommodating an end link of a chain which is engaged inside the shackle by a half-link resting against the inner surface of the bight portion. The half-link has an integral lug which is traversed by a pin laterally offset from the slit serving to hold that half-link in a chain-retaining position.

Abstract: A gas turbine power plant, such as a gas turbine engine for a motor vehicle, having a gas turbine, a combustor for producing hot gas to drive the turbine, and an air compressor for furnishing compressed air to the combustor. A heat exchanger, such as a rotary regenerator or a cross-flow recuperator, is located between the air compressor and the combustor for heating air by exhaust gas from the turbine before the air enters the combustor. The air leaving the exit of the heat exchanger decreases in temperature in a direction from one end of the exit to the other. A plurality of separate ducts conduct air from successive areas along the length of the heat exchanger exit to corresponding successive regions along the length of the combustor, the air temperature being lower in each succeeding duct. The lowest temperature air is conducted to the region containing a forward portion, e.g.

Abstract: A double-acting Stirling engine has a central axis and four cylinders disposed along a straight line which intersects the central axis. Four regenerator/cooler units are disposed in a circle which is concentric with the axis. A tube system which connects the cylinders to the regenerator/cooler units includes first and second rings, both of which are formed of sets of tubes, and both of which are concentric with the central axis. The tubes in the first ring are connected to upper hot spaces of the cylinders; and, the tubes in the other ring are connected to the regenerators and to one of the tubes in the first ring.

Abstract: A servo booster is provided with a tube coaxial with the booster output rod for relieving the booster housing of braking reaction forces. The housing of a tandem master cylinder has an externally threaded rear end which is threadedly engaged with internal threads formed on a reduced diameter front part of the tube. The retracted position of the primary piston of the master cylinder is determined by abutment with the booster output rod, and this can be adjusted by turning the master cylinder housing relative to the tube.

Abstract: A rotatable device having outwardly extending weighted arms of thermally expandable material is supported for rotation about an axis arranged at an angle to the vertical. The device is exposed to the sun or other source of radiant energy, causing the arms to expand lengthwise. A sun shield is provided over a portion of the area of movement of the arms so that when they move out of the shade of the shield, they expand lengthwise and whey they move into such shade, they contract. The resultant differential lengthening of the arms establishes an unbalance of moments of gravitational force in the arms to thereby apply a continuous torque to the assembly.

Abstract: An externally cooled, absorption engine apparatus and method, the apparatus including a closed cycle system having a first fluid and a second fluid, the first fluid constituting a working fluid and having a relatively lower boiling point while the second fluid constitutes a solvent for the first fluid and has a relatively higher boiling point and a relatively high degree of absorptivity for the first fluid. The apparatus further includes a distillation column, a superheater, a mechanical expansion engine, an externally cooled absorption column, and heat exchange apparatus. The distillation column separates the first fluid or working fluid from the solvent with heat energy supplied by an external combustion source and the superheater increases the thermal energy thereof prior to passing the working fluid through the mechanical expansion engine. The mechanical expansion engine converts thermal engine in the working fluid vapor to mechanical energy.

Abstract: A comparatively low heat differential is utilized for energy generation wherein flow of a fluid from a low temperature reservoir to a high temperature reservoir is maintained by the weight of the fluid, for example through utilization of centrifugal force provided as the vaporized fluid from the high temperature reservoir operates a gas turbine. Evaporation cooling is preferably employed in establishing the temperature differential.

Abstract: The invention relates to an air compressing system in which ambient air is drawn through a turbine driven flow-thru compressor into the intake of a primary compressor, and the hot effluent from the primary compressor is utilized to provide superheated vapor to drive the turbine.

Abstract: In combination with the ground vehicle A powered by a waste heat generating electric motor 16, a cooling system 10 including a generator 17 for driving off refrigerant vapor from a strong refrigerant-absorbant solution, including a solar collector 12, an air-cooled condenser 30 connected with the generator for converting the refrigerant vapor to its liquid state, an air-cooled evaporator 38 connected with the condenser for returning the liquid refrigerant to its vapor state, and an absorber 18 is connected to the generator and to the evaporator for dissolving the refrigerant vapor in the weak refrigerant-absorbant solution, for thus providing a strong refrigerant solution, a pump 22 for establishing a pressurized flow of strong refrigerant-absorbant solution from said absorber through the electric motor, and thence to the collector.

Abstract: An air conditioning system comprises an outdoor unit and a plurality of indoor units, a plurality of delivery conduits for supplying working fluid from a variable capacity energy source located in the outdoor unit to the indoor units, and a plurality of control valves respectively provided in the delivery conduits. A temperature sensor and a reference temperature setting device are provided for each room for transmitting corresponding temperature data to a central control unit. The central control unit detects whether the sensed temperature of each room is increasing or decreasing as a function of time and whether the sensed temperature is above or below a predetermined temperature associated with a value established by the reference setting device. Based upon these data the central control unit provides a control signal for closing the valve to divert a certain amount of the total supply energy to other rooms.

Abstract: An air conditioning system making use of waste heat comprising a compound absorption refrigeration machine and absorption type heat pump for both cooling and heating. The refrigeration machine and the heat pump are connected in parallel to the load to obtain hot water for utility of air heating, and the refrigeration machine operates utilizing hot water produced by the heat pump to produce cold water for air cooling.