Abstract: A picture frame comprising a transparent synthetic plastics plate with inclined edges, and a clamping member which snaps between the inclined edges and presses a picture against the transparent plate by spring action.

Abstract: A card holder for a rotary type information retrieving device such as a telephone number list, address list, and so on, in which a plurality of information-containing card cases are hangingly supported between a pair of mutually spaced rotary discs. In the present invention, a plurality of pins are projectively provided on the mutually opposed surfaces of the pair of rotary discs around their circumference and at an equal space interval provided among them, and a plurality of the information-containing card cases are hangingly supported between the rotary discs by the inwardly projected pins thereon. Each card case is formed by folding a single sheet of film material into a folder shape, and its bent portion, either in a single U-shape or in a circular shape in its cross-section, is made a pin insertion engagement part.

Abstract: A frame for a self-service sales display device is provided with pockets on each side of the frame. Guide members are provided on the entry side or wall of the frame and on the side or wall of the frame opposite the entry side for guiding the flat members into and out of the pockets in the frame. A cutout is provided through the entry wall into each pocket for ease in gripping the edge of a poster or flat member for removal from the frame. The frames have shaped pivots which extend into openings formed in surfaces of the display device such that the frame can be pivoted into a picture book position on the device.

Abstract: A sign construction having a plurality of movably connected panels including a mounting panel and panels successively hung from the lower edge of the mounting panel. In the illustrated embodiment, the sign construction includes an upper mounting panel having structure for securing the mounting panel facially to a windowpane. The panel portions hanging from the mounting panel define selective information-conveying sign structure and, in the illustrated embodiment, include an upper panel portion and a lower panel portion which are hingedly connected to permit the lower panel portion to selectively hang downwardly from the upper panel portion or be retained between the front face of the upper panel portion and the windowpane as a result of hinged swinging of the lower panel portion upwardly from the hanging disposition. The connection of the upper edge of the upper panel portion to the lower edge of the mounting panel, in the illustrated embodiment, is provided by a hinge.

Abstract: A sign for carrying changeable inserts having a metal base plate of resilient material on which are formed a plurality of clips providing gripping engagement of an insert of sheet material to carry said insert removable upon a surface of the base plate. The clips each have a tab integral with the base plate. The tabs each extend above the surface and open onto said surface. Each tab resiliently bears against marginal portions of the insert sheet material for gripping engagement thereof. Said tabs are joined to the base plate by a zone of merger having compound curvature for nonlinear distribution of bending forces upon bending of said tab. Dimples upon opposite sides of each clip coact with the tab for providing more secure engagement of the insert.

Abstract: A sabot launching device attachable to the muzzle of a standard rifle for launching a non-lethal ring airfoil projectile at a desired velocity and for imparting a desired rate of spin to the projectile, the invention comprises a housing having rifle grooves formed proximous to an open distal end thereof for imparting spin to the projectile as said projectile is launched from the open end of the housing. A sabot member engages the projectile within the housing prior to launch and is projected forwardly within the housing while in engagement with the projectile under pressure produced by firing of a gas-producing round in the standard rifle. The forward movement of the sabot member is rapidly slowed by a buffer mechanism disposed within anterior portions of the housing after initial acceleration to cause only the projectiles to exit and thus be launched from the housing, the sabot member thereby remaining within the housing and being reusable.

Abstract: Disclosed is a repeating firearm having a vertically slidable block mounted behind the barrel. The upper portion of the block carries a firing pin, and one or more cartridge holding chambers are provided in the lower portion. A cartridge ejector is mounted at the rear of the barrel. The block is slidable between a lower position permitting operation of the ejector, an intermediate position aligning the firing pin with the barrel, and one or more upper positions aligning said cartridge holding chambers with the barrel for transferring cartridges from the chambers to the barrel for firing. In one embodiment a tubular magazine is provided beneath the barrel for holding additional cartridges end-to-end and means are provided for transferring cartridges from the magazine to a cartridge holding chamber in the block, for ultimate transfer therefrom into the barrel.

Abstract: A device for positively blocking the firing pin in a firearm having a reciprocating breech-bolt that is substantially enclosed within the receiver, in which a finger-piece is provided on the outside of the receiver for shifting a safety bar into and out of a position to move a member on the breech-bolt into or out of a blocking position with respect to the firing pin such that the firing pin can not be driven home to discharge a cartridge.

Abstract: A profiled band for sporting guns permitting accurate adjustment of the barrel tubes. The band extends along the entire length of the barrel tubes, with a longitudinally flattened and profiled section. The band is provided along its lateral faces with symmetrical recesses to be centered and fitted between the barrel tubes along the common horizontal axis thereof.

Abstract: There is described a system for ice fishing including a flexible tube filled with an antifreeze solution and through which a fish line extends, the tube being supported in a hole in the ice and the fish line extending through a trigger which releases a tip-up flag and actuates an electric lamp when the line is pulled down through the tube.

Abstract: Fish can lightly nibble bait off a hook before a fisherman becomes aware and is able to react by firmly setting the hook in the fish. Apparatus is provided for reacting to a fish lightlynibbling at the bait in a manner sufficient to swiftly jerk the hook thus firmly setting it in the fish. The apparatus may be preset so as to avoid being set off or tripped while being cast out onto the surface of the water. Also, the apparatus may be modified for ice fishing. The preset may be adjusted to varying levels of sensitivity depending upon the type of fish to be caught or the type of bait being used.

Abstract: The present invention relates to mouse traps, consisting of a first means that employs a spring type striker that is held down by a rod or lever, and a second means that employs a prop to hold up a inverted box or container. The present invention employs the two well known means previously stated to produce a nearly inescapeable mouse trap, the spring type mouse trap that employs a rod or hold down lever to restrain a striker, is placed under a propped up inverted box or container, the spring trap is placed under a string which is attached to the prop on one end and running horizontal over the spring trap and is attached to the box or container side when the mouse trips the spring trap the hold down bar or lever moves upward in a semi circle striking the horizontal string which is attached to the prop, the prop is instantly removed and the box or container drops, at the same instant the spring striker has been released by the rod or lever and in most cases kills the mouse.

Abstract: An animal trap has two legs that are urged together by a spring, but are prevented from such movement by a pivotable cap on the end of one leg when the trap is set. A tongue mounted on a sleeve on the same leg as the cap prevents the cap from pivoting until an animal rotates the sleeve by displacing a trigger arm mounted on the sleeve. The cap has a convex tab which coacts with the flat tongue to permit the trap to be tripped even upon an incomplete rotation of the sleeve by the animal.

Abstract: Disclosed herein is a blank for making model airplanes and the article thus formed characterized in that the empennage and forward wing structure reflect a greater degree of authenticity and fidelity to true airplanes in that positive and negative dihedral are capable of being reflected therein, and further camber is possible for these plane sections as well.

Abstract: A toy utilized for the erection of toy buildings of various designs, the device including a rigid, planar board having a uniform array of apertures of a particular shape disposed on one side, and a plurality of elongated pillars having different cross-sectional shapes, each of which will fit within any of said board apertures. The pillars include one or more grooved longitudinal sides which interlockably receive the side edge of one or more panels, the pillars and panels providing for the wall structure of the building. The device includes flanged panels for providing different types of roofs and pegged stairs which allow for regular or spiral staircases. The particular board or planar surface aperture in conjunction with the various shaped cross-sectional pillars in addition to the other structural elements provide great variability in the particular and ultimate design of the structure allowing for greater creativity in the user.

Abstract: A toy building tile unit having a surface adapted to provide a building panel, edge margins of the panel being offset on both top and bottom of the tile. One of said offset edge margins carrying means for interlocking with another tile.

Abstract: There is provided a toy building set facilitating the construction of integral plane horizontal and stepped surfaces in vertical building structures. The set is formed from a number of elements each having a rectangular cross section along at least a portion of their length wherein the elements each have a width of x, a height of substantially 2x and at least two notches cut into the height of the element along its length. The two notches being positioned adjacent the respective ends of the element and each having a length substantially equal to x and a height of m(x/2) wherein with regard to each individual element, m is the same and equal to 1 or 3 and wherein the length of the elements as measured between the center-lines of the two notches is substantially equal to p times x wherein x is a whole number or fraction thereof and p is a whole number.

Abstract: A toy wheeled vehicle having a plurality of wheel assemblies each of which includes an axle and a wheel. Each axle terminates in an enlarged flange having various respective geometric configurations. The generally cylindrical wheels include a radial web or wall having an opening disposed therethrough. The configuration of each wheel openings corresponds to one of the various geometric configurations of the axle such that each wheel is adapted for mounting only to its complementary shaped axle such that a child may learn shape coordination while assembling the vehicle for later conventional play.

Abstract: A toy driving simulator has a body in the form of a vehicle, e.g., automobile, boat, snowmobile, tank or spaceship, within which is a selectively driven belt upon which a path or paths to be followed and obstacles to be avoided are depicted. A miniature vehicle to be steered is connected to be moved laterally with respect to the belt by a manipulatable steering device. The path-displaying surface of the belt and the miniature vehicle are viewable in a mirror that is generally, but not necessarily, in the form of the inside surface of a simulated windshield.

Abstract: A remote controlled self-propelled toy vehicle is disclosed which is capable of moving on a solid support surface and also on water. Two motors and a power source are mounted to the hull of the toy vehicle. Each motor drives, through a suitable transmission assembly, a drive wheel and a screw propeller. The drive wheels are disposed to come into contact with the solid support surface for operation as a land going vehicle, and the screw propellers are disposed for submersion in water when the toy vehicle is operated as a boat.Steering of the vehicle is accomplished on the solid surface and also on water by varying the power output of the motors so that uneven power output of the two motors causes the vehicle to turn. A suitable, preferably radio signal emitting remote control system and associated circuitry is provided to allow a player to steer the vehicle from a remote location.

Abstract: A greenhouse constructed by stretching over a framework a polyethylene terephthalate film oriented in at least one direction and having a refractive index in the oriented direction of 1.57 to 1.78, a refractive index in the thickness direction of 1.48 to 1.57, a density of 1.340 to 1.390 g/cm.sup.3, and a thickness of 50 to 500 microns, as a material for protecting plants from weather exposure.

Abstract: A set for the hydroculture of plants comprising a plant-receiving vessel and at least one ancillary device such as a water-level indicator, structure being provided on said vessel and said ancillary device for removably connecting the ancillary device to the vessel wall from the exterior, it being thus possible to attach or remove the ancillary device at any time whether a plant be contained in the vessel or not.

Abstract: A support body portion extends inwardly from the top rim of a plant pot and has a substantially vertical channel therethrough bounded on the outer end by the inner surface of the pot, on the inner end by a rod support groove substantially parallel with the axis of symmetry of the pot and on the sides by a pair of side walls that converge radially inward. A plant support rod is positioned in the rod support groove and extends above the pot a substantial distance so that a plant in the pot can be tied to it for support. A spring wedge having a pair of legs, at the same angle to each other as the angle of the slope of the pot side to the axis of symmetry, joined by a resilient bight portion is pushed down into the top of the vertical channel so one leg bears against the sloping wall of the pot and the other leg bears against the support rod to anchor it firmly in the vertical rod support groove.

Abstract: An escape hatch for dwellings, such as mobile homes, is provided with a panel fitting within an external wall opening of such dwelling and equipped with a plurality of peripheral latch assemblies engaging such wall. Each latch assembly has internal and external blades on the opposite faces of the hatch panel, and pivotable on a common pivot pin extending through the panel so that in one position they overlie the adjacent portion of the wall. The internal and external blades are jointed by a guide pin extending through an arcuate slot centered on the pivot pin. Conventional burglar alarm devices may be used in conjunction with the escape hatch.

Abstract: A gate assembly including a support structure, a gate carried by the support structure and movable with respect thereto, and a gate control associated with the gate, the support structure including a plurality of frame members, the gate having one end thereof disposed adjacent to the support structure and extending outwardly therefrom, a pivot connecting a lower part of the gate to an adjacent lower portion of the support structure, a pivot including a rotatable shaft and shaft carrier, the gate control including at least one coil spring member, one end of the spring member being attached to an upper part of the gate adjacent to the support structure and the opposite end of the spring member being affixed to the support structure at a point spaced from the pivot, a fulcrum disposed adjacent the end of the spring member affixed to the support structure, the fulcrum being disposed on the side of the spring member remote from the pivot, the fulcrum including an arcuate spring-engaging section disposed in substan

Abstract: A liner (interchangeable) for each end bracket of a louver assembly, the liner consisting of a flat strip with longitudinal edge abutment and U-bent at each end to embrace the end margins of the louver pane or panel, with either inturned U-arm disposed to transversely receive a resilient U-shaped retainer jointly embracing the respective arm and adjacent bracket wall, with contact anchorage means carried on both the bent arm and retainer so as to jointly prevent external displacement of the liner (and its embraced louver panel) from the end brackets.

Abstract: This disclosure teaches structure for mounting a pressure plate relative to its supporting shaft in such a manner that axial forces are transmitted between the shaft and pressure plate while yet providing that the plate can freely rotate and swivel relative to the shaft even at varying angles of tilt. The mounting structure includes a pair of angular contact bearings arranged in back to back relationship, the inner races thereof being confined on the shaft and the outer races thereof being confined within a housing block. The housing block is nonrotatably keyed to the pressure plate and a single ball bearing is mounted between the pressure plate and bearing block in axial alignment with the shaft and with the pressure plate.

Abstract: A carriage is slidably mounted on a baseplate and longitudinally guided thereon in a predetermined direction. An angle bracket is slidably and pivotally mounted on and adapted to be fixed to said carriage and is guided thereon transversely to said predetermined direction. A crosspin is mounted on said angle bracket and adapted to extend transversely to said predetermined direction. A drill holder for holding a twist drill is fitted on said crosspin to be pivotally movable thereon and extends laterally of said angle bracket at an angle to said predetermined direction.

Abstract: In conventional polishing machines, uneven transmission of pressure causes ifferent degrees of abrasion of the polished discs which results in different thicknesses over one disc and also with respect to other discs in one polishing batch. This problem is solved according to the invention by the provision of soft elastic inserts between the pressure piston and the back of the carrier plate on which the discs to be polished are cemented.

Abstract: An apparatus used in the treatment of a sheet of metal without the aid of conventional sprays and flooding nozzles normally used in the application of the metal treating liquid and support rollers and squeeze used for contacting and guiding the sheet of metal through successive baths of the metal treating liquid and preventing the carryover of liquid between the treatment tanks of the apparatus. In the apparatus, a sheet of metal is guided in a horizontal pathway between successive treatment tanks or units having horizontally elongated chambers with two rows of oppositely disposed and horizontally aligned nozzles between which the sheet of metal travels on a liquid bed that is created by the nozzles which are designed to direct streams of liquid, under pressure, against the traveling metal sheet at angles that are substantially less than 90.degree. relative to the plane in which the metal sheet travels.

Abstract: A fire resistant fitting for use in sealing a floor hole and including a pair of plates having an expandable material therebetween for securing the fitting in the hole and a fire resistant material suspended in the opening from the lower plate by a simple twistable metal tang.

Abstract: A mobile vending booth of the sort having a vending opening on at least one long-side and having a chassis floor, is equipped with at least one roller shutter for shutting off at least the vending opening. Furthermore, there is a roller shutter guideframe able to be pushed slippingly into the booth and for making it broader for an operation condition, the guideframe running along the full length of the long-side of the booth and being able to be pulled out.

Abstract: A building or structure having a substantially hemispherical form is disclosed. The building is assembled from a plurality of prefabricated structural elements or panel members and is well suited for providing living and storage space and the like. Each of the panel members has a substantially spherical exterior surface, a curvature of which is determined solely by the desired radius of the hemi-spherical building. The panel members are attached to one another in a partially overlapping configuration. Points of attachment of the panel members are arranged according to a predetermined geometrical pattern or configuration. The buildings or structures of the invention show surprisingly large structural integrity even though panel members of relatively small wall thickness are used.

Abstract: A method of insulating a building having a foundation wall disposed at least partially below grade includes substantially covering the exterior surface of the foundation wall with panels of insulation material, securing the panels thereto with flanged retaining members interposed between adjacent edges of adjacent panels. The retaining members are secured to the foundation wall with the flanges thereof partially overlying the adjacent panels. The top edge of the insulation material is then covered to prevent the impingement of water and foreign matter onto the top edge and between the panels and foundation wall.A system for securing panels of insulation material to the exterior surface of a building foundation wall includes a plurality of flanged retaining members, each including a base portion and at least one flange laterally extended from the base portion to overly a panel in abutment with the base portion.

Abstract: A structure for constructing a double-glazed window by attaching an add-on outer window frame to the exterior surface of an existing window opening having a ready-built inner window frame is provided, in which an intermediate frame is connected to the inboard periphery of the outer window frame to enter the window opening closely reaching the outboard periphery of the ready-built inner window frame and a gap between the intermediate frame and the ready-built inner window frame is filled by a sealing material to form a joint.

Abstract: A prestressed concrete tank with a wall of precast concrete panels surrounded by a cast-in-place beam, the beam and panels being prestressed by metal members in tension, encased within or placed around the outside of the beam.

Abstract: An assembly comprises a plurality of individual wall elements having connection regions on adjacent wall elements at which these wall elements are to be connected, the connection regions comprising a frustoconical tongue on one element and a co-operating frustoconical groove on the other element, clamping means being provided for holding the wall elements together.

Abstract: A device for installing tiles on surfaces to be lined comprises a support, whereto a tile is to be attached by an adhesive, and provided with rabbet coupling elements effective to provide a rabbet coupling with the surface to be lined on which counter rabbet coupling means are anchored.

Abstract: A fireproof door has a fabric of ceramic or glass fibers attached to a metal frame and covered by facings. The fabric which also may be used as a fireproof mat consists of layers of titanium-treated ceramic or glass fibers felted together by similar needlelike fibers extending through an intermediate layer of fireproof particulate material.

Abstract: A panel carrier and a panel construction incorporating such carrier suitable for forming or cladding walls, ceilings, and the like. According to one aspect there is provided a carrier for panels comprising: an elongated, deformable, strip-like base; a plurality of panel engaging elements connected to and extending outwardly from the base in spaced apart relation therealong; each said panel engaging element including a pair of panel engaging prongs, the element being constructed such that the distance between the prongs of each said pair remains substantially fixed regardless of deformation or flexure occurring in those portions of the strip-like base extending between the panel engaging elements.

Abstract: A fastener device used to mount, for example, a trim panel to a support panel in a vehicle body, the support panel having a push-in stud extending therefrom. The fastener device, in a preferred embodiment, includes a retainer base on the trim panel which is used to support a multi-holed retainer movably thereon. The multi-holed retainer is provided with a plurality of stud receiving holes extending therethrough in closely spaced relationship to each other whereby to define a honeycomb cellular core structure separating adjacent holes.

Abstract: An inexpensive, insulated, upright wall, ceiling, floor or roof, made of panels fastened together at panel edges. Each panel has a can backing and supporting element (preferably masonite, but alternatively plywood, plastic, metal lath or the like), panel-reinforcing bars connected to edges of the can-backing element, a plurality of layers of randomly-placed cans on the can-backing element and within the bars, and a can supporting and stabilizing element on the side of the cans opposite to the can-backing element. Saving labor of more careful arrangement of the cans, and increasing the strength against breaking of the panel, they are heterogeneously dumped into the frame of the bars and the can-backing element; and preferably the frame is shaken to somewhat settle the cans in it. In further stabilization of the cans in place, preferably porous, insulating concrete material, or foamed concrete, or foamed polyolefin plastic material is placed on top of the assembled cans.

Abstract: A ridge batten bracket (17) has two first portions (18) which are attached to the rafters (10) of a roof structure. The first portions have trays (21) to engage the rafters to locate the bracket which is then nailed in position. The ridge batten (15) is supported by two second portions (19) of the bracket each of which is bent in situ to wrap around the batten (15) so that the second portion (19) engages all four sides of the batten (15).

Abstract: An expansion dowel formed of an axially extending metal sleeve has slots extending axially from its leading end for a portion of its length toward its trailing end. The bore through the sleeve consists of a threaded portion extending from the trailing end and a frusto-conically shaped portion extending from the threaded portion to the leading end of the sleeve. After the sleeve is inserted into a borehole in a receiving material it is anchored in the borehole by displacing a frusto-conically shaped cone through the frusto-conically shaped portion of the bore toward the leading end of the sleeve. The trailing end of the cone is located within the sleeve axially inwardly of the trailing ends of the slots. A flowable substance is injected into the bore of the sleeve so that it flows outwardly through the slots into the open spaces between the outside surface of the sleeve and the surface of the borehole. The flowable substance includes a material for protecting the sleeve against corrosion.

Abstract: Several embodiments of window frame assemblies comprising novel window framing members for supporting a glazing product are described. In one embodiment, a window frame assembly is described comprising a conventional framing member including a novel rotatable rod means for preventing the cutting through of the framing member as by a saw. In another embodiment, a window frame assembly is described comprising a frame member for installing pre-glazed windows with or without a rotatable rod means in the framing member, said member including a separately attachable leg member for attaching the pre-glazed window to a pre-installed sub-framing member. In still other embodiments, window frame assemblies are described comprising novel mullions for joining pairs of pre-glazed windows. The mullions, as described, may optionally include means for the attachment of a partition and the aforementioned rotatable rod means.

Abstract: A security screen formed from an elongate strip of formable material and an interlacing of wire rods is disclosed. The side edges of an elongate strip are initially notched and slotted in one edge; thereafter the strip is deformed along four parallel lines which become the interior corners of frame members having a substantially rectangular cross section. A pair of complementary corner notches, each formed of a particular shape, allow the strip to be folded or deformed transversely of its length dimension, thereby forming a pair of intersecting frame members, each having a substantially rectangular cross section defined by a front wall, parallel inside and outside side walls and a pair of flanges. The inside flange and side wall of each frame member provide a plurality of slotted openings spaced equal distances apart to receive the ends of steel rods which are interlaced and form a wire meshed screen.

Abstract: A reinforcing structure for a member such as a truck bed comprises an elongate, trough-like body having side walls diverging from a base and terminating at their free ends in outwardly turned mounting flanges. Fixed to the base and extending therefrom between the body side walls is an elongate strut the height of which corresponds to that of the side walls. Spanning the distance between the strut and each side wall is a plurality of spaced apart ribs, the upper edges of which are flush with the strut and flanges. The side walls of the body may have a thickness less than that of the strut which, in turn, may have a thickness less than that of the ribs.

Abstract: The present invention relates to a machine for automatic packaging of food products in cup-shaped containers grouped in a row in a cardboard support. This machine comprises essentially a device for marking the support and its associated containers, as well as a device for bending down the sides of the support to a position substantially parallel with the axis of the containers. This latter device comprises essentially a vertically movable unit including two horizontal bars vertically movable with respect to the unit and capable of passing in the intervals between two successive plates supporting the containers so as to turn down the edges of the support.

Abstract: Poultry releasably suspended from a conveyor is distributed amongst a plurality of stations along a travel path of the conveyor from which the poultry is released. Release under control of sensors from the conveyor is effected only at those stations at which product bagging apparatus are inactive. Lock-out devices at each station prevent release while the bagging apparatus is in operation for a period of predetermined duration.

Abstract: The invention relates to a harvester of sugar cane or similar products which provides a significant reduction of moving parts and more efficient cleaning of the harvested product than was hitherto possible. This is accomplished by replacing the individual known components for cutting, elevating and cleaning of the cane by a single rotating mechanism provided with a single shaft of reversible rotation and which is fitted with displaceable knives and fixed throwing vanes or wings, which vanes are enclosed in a cylinder with a top outlet discharging the cane billets into a movable duct.