Abstract: A grain bin having a roof, a perforated floor, a grain storage chamber above the floor, a plenum chamber below the floor and a fan for forcing air into the plenum chamber, through the floor and ultimately through the grain storage chamber. A ventilation structure is attached to the roof of the bin in direct communication with the top of the grain storage chamber and has a plurality of turbine shaped blades fixed together and mounted for free-spinning rotation with respect to the roof.

Abstract: An educational kit for teaching trouble-shooting procedures in an automotive electrical system is disclosed. The kit comprises an audio-visual instructional means, a simulator board upon which is graphically depicted a schematic diagram of a typical automobile electrical wiring system, and a plurality of manipulative pieces upon which are graphically depicted symbols representing major parts of the electrical system or symbols representing various electrical connections. The pieces are adapted for manipulation on the simulator board whereby the user of the kit may construct and graphically depict the automobile electrical system and the specific component parts and circuitry involved or required in the operation of the system.

Abstract: In a group response analyzing system of the type comprising a central console for a questioner and a plurality of response or terminal consoles for questionees intercommunicated with the central console so that the responses may be automatically collected from the response consoles and processed and the results of processing may be displayed, the intercommunication channel comprises scanning lines between the central console and each of the terminal consoles and a common information line between the central console and the terminal consoles so that the intercommunication between the central console and the terminal consoles may be established sequentially through said common information line when said terminal consoles are sequentially selected by the scanning lines.

Abstract: A shoe device, such as a toy snow shoe, and a method of attaching a single continuous strap to a shoe member are disclosed. The shoe device includes a shoe member and a strap to a shoe member, attached in accordance with the method, so as to define a pair of retaining loops. By adjusting the size of the loops, the shoe device may be easily secured to a foot or conventional shoe.

Abstract: A set of specially studded sole and heel plates which may readily be cemented to the existing soles and heels of an ordinary pair of shoes to convert the shoes for wear in golfing and other sports requiring good traction under conditions commonly encountered on the golf course or in connection with track sports.

Abstract: A watercraft mounted pneumatically operated dredging plant comprising a dual shovel assembly in combination with a pumping unit, the shovel assembly including two shovels, each of which has a working edge facing in a direction opposite from that of the other, and the pumping unit having at least two pumping chambers for alternately connecting one of the shovels to a source of compressed air. The shovel assembly and pumping unit in assembly being adjustably suspended from the watercraft with respect to height and with the inclination of the working edge of each shovel with respect to the vertical being controllable to effect to-and-fro dredging strokes by the shovel assembly.

Abstract: Soil, particularly water saturated sand, is loosened by means of at least one cutting blade and thereafter is sucked up. An auxiliary fluid is supplied at the position of the slip failure plane due to movement of each moving cutting blade in the soil.

Abstract: A mouthpiece for a suction dredger comprising an inlet section open on the underside and having sides which converge rearwardly towards a comminuting section which is also open on its underside. A shaft is rotatably mounted in the comminuting section and is provided with a plurality of comminuting members which include at least one cutting blade. A suction section is positioned rearwardly of the comminuting section and is provided with a connection, which, in use, is coupled to the dredger suction line.

Abstract: Apparatus having a translucent viewing screen forming a wall of a cabinet and provided with regularly spaced holes extending into the interior of the cabinet. A vacuum pump reduces pressure within the cabinet interior and the resulting pressure differential created at the front face of the screen serves to hold photographic transparencies in position for viewing. The cabinet has lamps arranged to backlight the viewing screen and illuminate the transparencies. An opaque grid is provided between the viewing screen and the lamp and this grid has a chamber in communication with each hole. Each chamber is fitted with a flap-like shutter for controlling the passage of light through the chamber to the screen. The flow of air through those holes which are not covered by the transparency is utilized to close the shutters of the associated chambers thereby effectively masking the areas of the screen surrounding the transparencies.

Abstract: A pair of recesses are provided in the passenger compartment of a vehicle in clear view of an operator of the vehicle. Each of three groups of number wheels is rotatably mounted in a corresponding one of the recesses. Each group comprises a plurality of coaxially mounted number wheels in next-adjacent relation in units, tens, hundreds, thousands, 10 thousands and 100 thousands positions. The wheels of the first of the groups are manually rotatable to indicate a mileage at which the next oil change is due. The wheels of the second of the groups are manually rotatable to indicate a mileage at which the next change of oil filter is due. The wheels of the third of the groups are manually rotatable to indicate the mileage at which the next engine tune up is due.

Abstract: A wire marker comprising an assembly of (1) an adhesive element for carrying identification information that has pressure sensitive adhesive on one of its surfaces and (2) a backing covering the adhesive on the adhesive member, wherein the assembly has a pair of spaced apertures through which a wire to be marked is inserted, after which the backing can be removed from the adhesive element and the adhesive element folded over to form an identification flag on the wire.

Abstract: A rotatable cartridge chamber for a firearm type weapon in which the chamber is rotatable in the weapon at the rear end of the barrel and has cartridge chambers therein. The chamber receives cartridges from a magazine parallel to and adjacent the barrel in one rotated position and in another rotated position presents the cartridges projectile end foremost to the rear end of the barrel.

Abstract: In a firearm having a firing pin and means for propelling the same to firing position, a rotatably mounted sear, and a sear trip holding the sear in the path of the firing pin until the trigger is pressed, releasing the sear trip, and allowing the firing pin to move past the sear to firing position.Also in combination with the sear trip, a safety mechanism having a position to inhibit releasing motion thereof.

Abstract: A signaling fishing rod holder is provided with a clamp which can be used in one position to clamp the fishing rod holder to the horizontal planks of a pier and in another position to clamp the fishing rod holder to the vertical planking along the side of a boat. A clamp is adapted to cooperate with a ground inserted spike to mount the fishing rod holder on the bank of a body of water.The fishing rod holder includes a frame member secured tightly to the clamp and having an arm pivotally mounted thereon. An adjustable spring normally urges one end of the arm upwardly away from a switch mounted on the frame. An arcuate fishing pole holder is mounted on the arm and can be adjusted by means of an elongate slot and wing nut so as to adjust the angle of the fishing pole held therein without changing the relationship between the arm and the frame.

Abstract: Power reels are used to lower and raise heavy weights on metal line first to sink the fishing lure line to a depth of 100-300 feet and then to remove the weights and metal line upon a fish taking the lure to avoid fouling entanglement. The reels are mounted on the boat for support and the mountings of the invention pivotally support the reel so that the reel and attached pole can swing vertically on a horizontal axis between inboard and outboard position and can swing horizontally on a vertical axis to set the reel and attached pole portion at the desired angle. The mounting facilitates quick attachment and detachment of the reel and pole portion. The mounting with the reel and pole detached constitutes a cleat or head for securing dock and tow lines.

Abstract: A decorative holder for supporting flower arrangements comprises a flat decorative backing piece having an opening therein and a substantially water-confining receptacle fitting in and extending through the opening for supporting a foam block and having a radially outwardly extending rim engaging the upper surface of the backing piece. The receptacle is double-walled and includes one or more apertures in its upper wall to drain excess water from the foam block supported therein. The receptacle has a plurality of radially inwardly extending ridges for frictionally engaging the foam block to retain it in a desired position in the receptacle. Alternatively or in addition to the retaining ridges, there may be provided a stirrup to engage the foam block and detachably engaging apertures in the rim of the receptacle. Further, there is provided a retaining ring which frictionally engages the receptacle beneath the backing piece and also engages its under surface.

Abstract: An agricultural soil composition for the growing of plants and the like is provided in which a means is included for controlling and regulating the distribution of water throughout the growing zone. This composition is characterized by including in the agricultural soil a critical proportion of hydrophobic particulate material.

Abstract: Water containing nutrients is added to powdered activated carbon or passed through a layer of granular activated carbon for clarification, and water cultivation is effected in facilities by supplying the nourishing water in a water cultivation vessel, inserting seedlings of vegetables to a water cultivation panel installed above the vessel, and, if necessary, providing atmospheric conditions, water temperature and water quality suitable for the growth of the seedlings.

Abstract: In a refrigerator door mounting frame, the use of a thermal barrier between the cold portion and the warm portion of the frame in combination with a divided thermal conduction path extending from an intermediate portion into the cold portion. The divided path comprises a thick load-bearing section through which conduction is impeded by the thermal barrier, in parallel with a thinner sealing face plate section exposed to the air outside the refrigerator and electrically heated to prevent condensation. In this way condensation is prevented and the heat load on the refrigerator is minimized.

Abstract: An automotive window regulator mechanism including a track having two substantially vertical track-sections and an interconnecting laterally extending section, a perforated plastic tape slidably mounted in the track, an actuator including a clutch and a sprocket for driving the perforated tape along the track, and a bracket arrangement secured to a window pane at the midpoint of the bottom edge thereof and connecting same to an end of the perforated tape for travel therewith up or down adjacent one of the two vertical track-sections.

Abstract: This is a closer for sliding doors which includes a coil spring and a cushioning element in combination therewith and is specifically constructed to facilitate attaching the same to a sliding door and the invention also includes the method and apparatus for attaching the closer.

Abstract: An extrusion for receiving and interconnecting laminated panel sections for quick construction of partitions or enclosures is disclosed. The extrusions form frame members for the partitions or enclosures and are designed to permit quick assembly and disassembly of building structures without the use of fasteners. The extrusions include channel portions adapted to receive the edges of the panels, the panels being grooved and adapted to snap into the corresponding channels. The extrusions may be H-shaped in cross section for forming panels into a flat partition or wall, may be formed with a channel on one side and adapted to receive door or window fittings on the other side, or may be formed in a corner unit configuration to permit joining of panels at right angles. The corner unit extrusion includes two interlocking half members which define a central cavity for receiving a rigid pipe, which prevents the interlocking members from being separated.

Abstract: A method of descaling a rod comprises forming at least one bend in the rod and rotating the bent portion in an appproximately circular path while maintaining it in a space having a distribution of separated cleaning particles therein in a suspended relationship relative thereto. The rotating bent portion strikes the distributed particles and is cleaned thereby.

Abstract: The honing tool in a centerless honing apparatus is held in an oscillating head and is pressed against the workpiece transported by rotating rollers. The region of contact between the honing tool and the workpiece is immersed in a flushing liquid which serves to dislodge and remove abraded material from the contact surface of the honing tool. An ultrasonic generator is located near the honing tool and its transducer portion extends into the flushing liquid. The ultrasonic vibrations are transmitted by the flushing liquid to the honing tool, imparting thereto ultrasonic oscillations in a direction transverse to the rotational axis of the workpiece. The liquid also transmits ultrasonic vibrations directly to the contact area and to the embedded abraded material, thereby loosening it and permitting entrainment by the flushing liquid.

Abstract: A capability for both a brushing and abrasive action are provided in a unitary scrubbing device for removing food deposits which have been burned or baked onto the cooking surfaces of kitchen utensils used in food preparation. The device is comprised of a molded, thermoplastic, brushing surface which is laminated to a non-woven nylon mat in which soap and abrasives have been incorporated.

Abstract: A machine for forming the head end portion of a locator pin has a base rigidly mountable. A housing is transversely movably mounted on the base. A pin mounting is on the housing. The machine in use rotates the pin mount simultaneously with moving the housing transversely on the base, so the head end portion of the pin can be ground to have a cylindrical form oblong in cross section with the ends of the cross section being arcuate.

Abstract: A grinding wheel functions both as an abrasive wheel and as a blower for removing dust and cooling the workpiece and wheel. The wheel has passageways through which air and dust are drawn from one axially facing side of the wheel to the other as the wheel rotates. A shroud partly encloses the wheel, and means is provided for catching dust from the workpiece and holding the dust in position to be drawn through the wheel by air passing therethrough. An exhaust duct is provided for carrying the dust and air passing through the wheel away from the wheel.

Abstract: A scratch preventer for use in preventing a sanding tool from straying onto a surface of a panel adjacent a workpiece that is being sanded includes a panel or sheet of molded elastomeric material having magnetized material included therein to permit the panel to attach magnetically to a metal panel. The scratch preventer further includes a lip having a narrow transverse dimension molded onto and extending vertically from a first surface of the preventer such that the lip may be inserted into a gap between the workpiece and an adjacent surface not intended to be sanded. The preventer also includes a bumper molded on a second surface of the panel and having a transverse dimension substantially greater than the aforementioned lip. The bumper is vertically offset from the lip such that a sanding tool will collide with the bumper if the tool strays from the workpiece toward the adjacent surface.

Abstract: This invention relates to an air supported double wall structure and a method of making same, including the preparation of a first and second plastic sheet; providing said plastic sheets with a multiplicity of predeterminedly located paired holes which determines the configuration of the final inflated structure; placing the plastic sheets opposite one another; mounting a multiplicity of grommeting means, provided with segments of cords, on the external surfaces of said plastic sheets over said holes; causing said segments of cords to extend inwardly through the holes between the plastic sheets; tying together in knots the loose ends of said cord segments, of the first sheet, with the corresponding loose ends of the cord segments of the second sheet; fusing the edges of the two sheets together; and blowing air into the thusly formed enclosure.

Abstract: An arrangement for a protective cover for the edge of a sheet metal at roof-to-wall abutments, comprising a cover strip which is placed above the upper edge of the sheet metal edge panel. A clamping strap is employed which runs transversely with respect to the cover strip and thus with respect to the edge of the sheet metal panel and is attached to the wall by means of screws or nails. The clamping strap includes a flexible leg which stands off the wall and projects upwards. The upper edge portion of the cover strip is bent off twice against the wall, whereby the bent-off edge hooks behind the stand-off leg of clamping straps.

Abstract: A hangar for aircraft having a tail section, fuselage and wing portions, in which the hangar includes a front section having a roof with a movable portion which normally overlies an opening in the roof through which the tail section of an aircraft can pass as it moves through the hangar. The hangar further includes a second or tail section having side walls and a front and back wall. The height of the roof of the second section is greater than the height of the roof of the front section. The front wall of the second section has an opening therein to allow the tail section of an aircraft to pass into or out of the second hangar section.

Abstract: A method and device for anchoring a strut such as a stockade, ground mark or guardrail to the ground, in which a top plate is formed with a bore for accomodating the strut, and radial plates are secured to the bottom of the top plate. The radial plates radially extend outward from the center of the bore of the top plate and have a cut-out portion to support the strut. The bore of the top plate is sized to be larger in diameter than the strut so that the strut can be orientated within a given range. A plurality of clamping means are provided on the top plate and adapted to radially urge the strut thereby to determine the orientation of the strut relative to the center of the bore of the top plate. A strut anchoring device thus constructed is placed on the ground which is slightly digged and driven into the ground by driving a driving pope or tool abutting against a bearing surface provided in the radial plates until the top plate reaches the ground surface.

Abstract: A stairway unit for a multi-level construction including briefly: a one-piece metal member forming both treads and risers, parallel metal stringer members each presenting a vertical planar side to the one-piece metal member; and the edges only of the one-piece metal member being connected to the stringers as by welding. No additional tread members are required and the stairway may be used as is, or with the addition of pads and carpeting to the treads and/or risers or with other suitable covers.

Abstract: Lightweight building structures constructed by assembling a plurality of building blocks in contiguous end to end relationship. The blocks have spaced apart and parallel opposite longitudinal walls and opposite transverse members integrally connecting said walls so as to define a substantially rectangular inner space. The top of the transverse members of at least a portion of the blocks are at a lower level than the tops of the longitudinal walls so that horizontally extending reinforcing bars may be positioned therein. Vertically extending reinforcing bars which may be surrounded by reinforcing loops are also positioned within the inner spaces defined by the contiguous blocks. Mortar is charged to the inner spaces defined by contiguous blocks to unite the blocks and reinforcing members. V-shaped vertical edges are provided on the longitudinal walls of a block to provide stronger joints between blocks.

Abstract: A concrete and liner retainer coping for a pool and the like comprising an upper vertical wall having a top arcuate curved portion curving rearwardly in a direction away from the pool and formed with a vertically downwardly depending lip ending in a free edge thereof. A horizontal part extends rearwardly relative to the vertical wall and has at its free rear end an upwardly directed vertically oriented back lip. A connection portion integrally connects the horizontal portion to the vertical portion, and a lower vertical edge is joined to a front end of the horizontal part, the latter in cooperation with the connecting portion forming a mouth adapted to receive therein the liner.

Abstract: An improved panel and method of making the panel for building construction in which fiberglass layers separated by insulation and having plastic reinforcing spaced intermediate the extent of the same provides the stud structure for the panels and the connecting means for securing the panels to a floor and ceiling with keyway members positioned in the panels to permit the use of key members for the interconnection of the panels in the building construction.

Abstract: Window panels that have edge portions which are out of desired contour have straps of molded fiber glass reinforced thermosetting resinous material adhered to and overlapping both sides of the panels in marginal areas outside the viewing area and extending outwardly from the edges of the panels providing structural supporting members which are molded to conform to the desired panel edge contour for precise fit with frame members of the supporting structures. The straps for each unit are applied between its window panel and a frame member that conforms in shape to an aircraft mounting in an uncured state so that they conform to the respective shapes of the window panel and the frame member. While under heat and pressure during lamination, the straps cure to form rigid connecting members rigidly secured to the window panel, thus forming a rigid unitary structure whose outline shape conforms to that of the aircraft mounting.

Abstract: A glazing adaptor for converting the effective width of the window panel receiving opening of a window frame from a first width to a second width, with the difference between the first and second widths exceeding the thickness of a pane of glass. The adaptor is a rigid unitary insulating structure including a first portion for frictional engagement with the window frame opening and a second portion to frictionally retain a window panel. Each of the adaptor portions includes flexible insulating barbs positioned for tight, water-resistant sealing with the window frame opening and the window panel, respectively. The second portion of the adaptor also includes resilient pads positioned to cushion the window panel.

Abstract: A light weight locking structure for a suspended ceiling construction of T-shaped strip grid profile bars supportively engaged by nodal plates having radiating arms in which the arms terminate in upwardly bent locking projections, and the profile bars are provided with slots in the cross-bar of the T for cooperatively receiving the locking projections of the associated arm. After engagement of the locking projections in the slots of the respective profile bar, the projections are bent over to rigidly lock the profile bars to the nodal plate.

Abstract: A prefabricated building made from rectangular panels which interlock on at least two edges by means of a stud and sliding eyelet arrangement so that each panel can be positively interlocked at each of its edges. The panels, which form the ceiling, floor and outer walls of the building, are each three feet wide and all the panels have an equal depth. The panels may be filled with an insulating foam, and their interlocking edges may be sealed by vinyl strips.A pitched roof is also fabricated from three foot wide panels having the same depth as the panels above. The roof panels interlock with the wall panels with which they overlap to provide a more secure locking of the wall panels and an end overlap for the roof.

Abstract: In a plastic key joint wherein edge portions of two adjacent strakes are in relatively superposed, interfitted, edgewise engagement with each other in a manner to define a fully enclosed keyway therebetween, the present invention resides in deforming, preferably in an undulating or sine wave pattern, laterally opposite sides of the keyway prior to injecting, under selected pressure, flowable, hardenable key material into the keyway, thereby greatly increasing resistance of the joint to longitudinal shear stresses.

Abstract: A shoring or scaffold for construction, maintenance and other work, using stacked scaffold sections of a demountable type and having a heighth adjusting construction is provided. Each section has a pair of spaced-apart end frames that are demountably cross-connected with respect to each other and the end frames of upper and lower sections have a telescopic adjustable relation to meet heighth requirements. To provide strength and support rigidity, dual-tire bracing members are utilized to extend from the end frame of a lower section across and in an interconnecting relation with an opposed end frame of an upper section.

Abstract: Insulating members such as plastic foamed boards or panels are positioned on curved surfaces by affixing the panels or planks to strap members attached to and positioned adjacent the surface to be insulated. This technique is particularly suitable for the insulation of tanks and like containers.

Abstract: Blanks for the making of inner envelopes of hinged-lid cigarette packs are obtained by withdrawing from a bobbin a web of metallic foil or thin paper which is coated with metallic foil, severing the web lengthwise to form two strips of unequal width, severing the strips crosswise to form two rows of rectangular sections, and moving each section of one row sideways toward the adjacent section of the other row so that the two sections partially overlap each other and form a composite blank which is transported sideways to be draped around a mandrel on a turret-shaped assembly conveyor.

Abstract: A method of packing a wire netting coil by laying over each end of the coil a protective end cover having a plurality of tongues hingedly connected thereto, introducing the tongues into the coil in sufficient independent frictional engagement with the coil to keep the end covers in place, and subsequently tightly enclosing the coil with the thusly affixed end covers into a packing sheet.

Abstract: An apparatus and process for making assemblies comprised of a plurality of interconnected disposable packets containing a selected combination of condiments or the like. In accordance with the apparatus and process aspects of this invention, the packet assemblies are produced from a web comprised of two opposed strips which are bonded together to form a plurality of individual cavities which are sequentially filled and sealed with the desired variety of condiments, whereafter the web is severed into sections comprised of the interconnected disposable packet assemblies.

Abstract: A firm container is fed with a plastic material which surrounds the firm container along a portion of its length. The firm container has an open end which is closed off by a pair of welding jaws which welds the plastic material together and forms the bottom of a container that holds a pulverized material. Pulverized material is then fed to the bottom of the container and after feeding is over, the plastic material is allowed to fall from the firm container by moving a support table downwardly. After the support table has moved downwardly a certain distance, the welding jaws are operated again and weld a new piece of plastic material to the open end of the firm container, thus forming a bottom for a new container and closing off the top of the previously-made container. A piston is provided within the firm container for compressing the pulverized material fed into the interior of the firm container.

Abstract: The packaging machine is provided with a dumper shaft which includes material receiving chambers which can be adjusted in size to receive and measure varying amounts of material. Each material receiving means is made up of a pair of coaxial discs and radiating plates between the discs, the discs being held in place by locking collars. Outlet nozzles from the hopper above the dumper shaft are disposed to empty into a respective chamber while being disposed within the plane of the chamber. As the dumper shaft is rotated, the hopper and the outlets are raised to permit rotation. The upper edge of each plate has a lip or ledge directed in the direction of rotation of the dumper shaft to retain the material during rotation.

Abstract: A machine for wrapping articles in an elongated strip of wrapping material of the type in which the machine forms the strip into a channel as the strip is advanced past the loading station, articles are deposited in the strip at the loading station, and the strip is folded into a tube around the articles and longitudinally sealed as the strip is advanced past a longitudinal sealing station, and the strip is thereafter transversely sealed between the articles and severed to form separate packages. The machine has endless type upper and lower jaw conveyors which are operated to grip and advance the strip through a selectively adjustable distance and seal and sever the strip to form packages of selectively adjustable lengths. The machine also includes an improved endless type of inlet conveyor which is operative to grip the enfolded strip of wrapping material at opposite sides of the article to hold the articles in position in the wrapping material as it is advanced.

Abstract: In an automatic carton closing machine, adjustable holding mechanism for a pair of elongated longitudinal clamping rails which converts them to laterally spaced side guide rails extending through the machine to define a path of carton forward travel therebetween and provides sliding clearance for all loaded cartons of a group intended to be of about the same size while accommodating small degrees of variances in widths thereof. For this purpose there are provided means to move at least one of the pair of side guide rails inward toward the other to cause them to be spaced apart with location thereof closely adjacent to opposite sides of a loaded carton of a single size group as it enters the machine for forward guided transport therebetween past flaps manipulating and anchoring mechanisms of the machine, and means to adjust such spacing between these rails to assure attainment of the desired relatively small degree of additive tolerance.