Abstract: A model aircraft construction jig includes an elongate baseboard, a plurality of fuselage side cramp members, means for fixing the side cramp members on the baseboard, a tail unit locator and means for fixing the tail unit locator on the baseboard. The baseboard has at least one longitudinal guide line defining a reference center line, and the side cramp members are positionally adjustable so as to be arranged in rows spaced at opposite sides of the center line so that clamping faces thereof can engage respective side walls of a fuselage assembled on the center line.

Abstract: An Anti-Slip device for footwear, walking sticks and the like, comprises a heel member, a ground-engaging protrusion composed of relatively soft material depending downwardly beneath said heel member, a resiliently flexible flange or membrane of ring form interconnecting said heel member and said protrusion, and a gripping ring composed of relatively hard material disposed on said protrusion. The heel member has a hollow recess above said flexible flange or membrane, and the arrangement is such that so long as no slipping occurs the gripping ring remains in spaced relationship with the ground out of contact therewith but as soon as slipping commences the ground-engaging protrusion pivots sideways by flexing of the flexible flange or membrane and causes a lower edge portion of the gripping ring to be thrust into contact with the ground so as to restrain the slipping.

Abstract: A method and a device for presenting digits, letters and other characters uses a number of signals for representing each character. Said signals are combined with signals from manually operable touch point electrodes. When predetermined electrodes are operated simultaneously with reception of a predetermind character signal or character signal combination, the combining means activates an acoustic, visual or tactile output signal so that a character representing signal code can be recognized. A code conversion between the input signals and the output signals can be provided so that the output character is presented in a code with fewer elements than the input character.

Abstract: A CW FM TR radar receiver responsive to a local tone modulation source and a return signal having a carrier frequency modulated by the tone is particularly adapted to handle a return signal containing different returns derived from multiple targets and/or via multipath. An FM demodulator responds to the return signal to derive a demodulated signal containing the tone frequency. The demodulated tone frequency signal is averaged over a time interval of many cycles of the tone. The phases of the average tone frequency component and the tone of the local modulation source are compared to enable an indication of the range and velocity of a dominant target contributing to the return signal to be derived.

Abstract: A fluidic flow control device comprising at least two generally aligned members having tapering bores therethrough, the members being so arranged as to constitute a convergence followed by a gradual divergence, separated by a gap, the gap communicating with an inlet/outlet or feed port. A cage connects the adjacent ends of the members and forms said port. A system for pumping may incorporate the device between a cylinder charged with pressure gas and an out-feed pipe. In operation, fluid is alternatively drawn in through the gap and into the cylinder and then pumped out by the gas across the gap and into and through the out-feed pipe. A level detector in the cylinder controls the oscillation of the system and an accumulator may be provided to smooth the outflow. Substantially continuous flow may be provided by coupling two systems to a common out-feed pipe.

Abstract: In an electronic closed loop control system for optimally controlling the air-fuel mixture fed to an internal combustion engine, two electrical circuits are provided: one for removing cumbersome manual adjustment of a standard signal level for ensuring the system a proper air-fuel ratio control, and the other for ensuring the system a proper control during a certain period after initially energizing the system.

Abstract: In an automatic telephone information retrieval system, each subscriber entry is encoded according to primary name, secondary name, primary address, secondary address, generic occupation and specific occupation. The entire contents of a local telephone directory may be electronically stored at memory addresses based upon the above encoding. Statistical methods are used to ensure a workable distribution of subscriber entries over the available memory addresses. The information is retrieved from memory by successively dividing the memory into "divided down" portions. Division points, which are boundaries between neighboring divisions, are designated in a form directly convertible into address coordinates of a random access core storage to speed information retrieval. Electronic calculating and comparing circuits automatically search the memory as a function of the division points, and also provide rapid and automatic address range computations.

Abstract: An educational game for playing a game of skill and judgment, the game comprising, at least one game board divided into a plurality of rows and columns of four in number, a plurality of numbered tokens for placing at each of the sixteen spaces defined on the game board by the rows and columns, each of said game boards having a numerical solution, the solution being 38 as obtained by addition of the numbered tokens on the board after all spaces are filled, the addition being in any desired direction of any four of the tokens in abutting relationship or in squares. In playing the game, numerical tokens are selected and placed on the game board until all spaces on each player's board are filled, the object of the game being to obtain the correct solution indicated for that particular game. Optionally, random number selector means may be used to select the order of playing the numbered tokens.

Abstract: Guide track and vehicle construction for Dual-Mode Vehicle system. The vehicle is steered through junctions to a desired direction on the track by a hydraulic control system mounted on the vehicle and a mechanical control device provided on the guide track.Guide followers attached to the steering system of the vehicle ride within respective channels on opposite sides of the track. One or the other of the guide followers is held in the actuated position, i.e., engaged with the respective channel, to operate the hydraulic system for guiding the vehicle in the desired path on the track.

Abstract: A domestic or tradesman's knife is provided with cutting teeth ground off alternately on opposite sides to form a cutting edge on each side of the blade in the manner of the teeth of a saw, the invention consisting in the provision of cutting teeth intermediately between the two rows of cutting teeth on the sides of the blade.

Abstract: A polypeptide having important biological activity including systemic vasodilation, hypotension, increased cardiac output and bronchodilation is isolated from intestines of chickens. The isolation procedure for purification includes extraction, ion-exchange chromatography, gel chromatography and countercurrent distribution separation. The polypeptide has the general amino acid structure:His-Ser-Asp-Ala-Val-Phe-Thr-Asp-Asn-Tyr-Ser-Arg-Phe-Arg-Lys-Gln-Met-Ala-Val -Lys-Lys-Tyr-Leu-Asn-Ser-Val-Leu-Thr-NH.sub.2. Therapeutic biological actions may be produced in animals and humans by administration of 0.02-10 .mu.g of the peptide per kg of body weight.

Abstract: A roadway with a noise protecting assembly for controlling sound emanating from the roadway. The assembly comprises a plurality of walls having a width disposed vertically above the roadway and a length disposed in a direction parallel to the center line of the roadway. The walls are laterally spaced with respect to each other across the width of a frame structure thereby forming intervals therebetween. The assembly is effective to prevent the direct path of sound from a source of noise on the roadway to objects in the vicinity of the roadway which is the source of the noise.

Abstract: A word game includes multiple-letter tiles as well as single-letter tiles which are placed on successive spaces on a playing board. In order to receive score points, each player attempts to compose words on his own playing board on which is printed a single row of letter spaces. One of the letter spaces, designated as a "master space", has placed thereon a randomly selected multiple-letter tile. Words are composed by locating single-letter tiles in successive letter spaces on the board so that the single-letter tiles merge with the multiple-letter tile. Each of the letter spaces is assigned a score point value, the magnitude of which depends upon distance to the master space. The score point value of a composed word is equal to the sum of the assigned score point values of the starting and ending spaces of the word. Bonus points are awarded when a joker tile used in composing a word falls on a "joker" space.

Abstract: Apparatus for feeding continuous stationery or other web material or items thereon to be processed comprises a machine bed, drive means for feeding the web material over the machine bed and a framework adapted for mounting at least one of a range of units above the machine bed whereby a variation of processing steps may be carried out on the web material or said items. The web material may be driven over the machine bed intermittently to provide at least one moving period during which the web material or at least one of the items thereon may be processed by a printing unit, and at least one dwell period during which the web material or at least one of the items thereon may be processed by a numbering unit and/or a punching unit.

Abstract: A channel shaped member is mounted on a roof within an occupant compartment. The channel shaped member slidably receives an intermediate portion of a shoulder belt that has one end received within a retractor mounted on the roof within the occupant compartment adjacent an outboard upper rear portion of a vehicle seat and that has its other end secured to an intermediate portion of a lap belt. The channel shaped member thus provides an arrangement in which the shoulder belt extends diagonally across the chest portion of the seated occupant without touching the occupant's neck.

Abstract: An apparatus for dispensing individual planar, non-circular, uniform, articles, such as image projection slides, slide mounts or the like, from a stack of such articles, comprises a delivery shaft containing an aperture having a cross-section shaped to receive the stacked articles. A dispensing arrangement, located below the shaft, includes a rotary valve supported by a base member. The rotary valve and base member each contains an aperture corresponding in shape to, and coaxial with, the delivery shaft aperture. The apertures contained respectively in the delivery shaft and base member are angularly displaced relative to each other such that a stack of articles, placed in the shaft is supported by portions of the base member exposed through the shaft aperture. The rotary valve has a thicknesss less than or equal to the thickness of each of the articles, and is rotatable by means of a lever arm for orientation of the rotary valve aperture with either the delivery shaft aperture or base member aperture.

Abstract: A bending machine having one or more bending units wherein a former device is movable to clamp a workpiece so that the workpiece can be bent by a bending arm and tool moved arcuately about the former device, and wherein the movement of the former device is reversible to free the bent workpiece from the bending unit.

Abstract: A solid-solid bonded basic refractory having a chemical composition (calculated as the oxides) consisting essentially of MgO in the amount 25% to 97% by weight, CaO 0.9% to 44% by weight, ZrO.sub.2 2% to 57% by weight, and SiO.sub.2 0.5% to 23.5% by weight, the said basic refractory containing a silicate and an alkaline earth metal zirconate, the CaO/SiO.sub.2 ratio being greater than 1.4, there being at least one part by weight of said alkaline earth metal zirconate for each three parts by weight of said silicate, and the CaO to SiO.sub.2 + ZrO.sub.2 ratio being between 0.32 and 1.40, said alkaline earth metal zirconate being capable of co-existing with any basic solid refractory phase at a temperature of at least 1700.degree. C in which solid-solid bonding is maintained between said zirconate and said solid refractory phase in the presence of a liquid phase at a temperature of at least 1700.degree.

Abstract: A rotatable platform is provided to support the chair of a bass fishing boat. The platform has the chair rotatably mounted at one end and includes a boat rest for positioning the feet of the fisherman at the other. The feet positioning end preferably includes a wedge-shaped footrest for one foot of the fisherman, adjacent to which is mounted a foot actuated control pedal and, in the preferred embodiment, the pedal controls electric trolling motor.The entire platform is mounted on a pedestal fastened securely to the deck of the fishing boat. In one embodiment, the platform is rotatable about the pedestal by means of an electric motor and gear arrangement. The controls for the motor are preferably located on the wedge-shaped footrest of the platform such that they also may be foot actuated. The chair is rotatably mounted to the same housing that contains the electric motor and gearbox. While the platform is rotatable via the gearbox, the chair may be rotated independently of the platform if desired.

Abstract: An electric motor is composed of two counter-rotating discs having intermeshing gearing and each carrying a plurality of permanent magnets radially arranged with the same poles at the periphery of both discs. A shield of magnetic material is provided at one side extending partly around the periphery of each of the discs and into substantially the bite of the discs. An electromagnetic is arranged with one pole adjacent the bite of the discs, with means to energize the electromagnet as each of the permanent magnets reaches the bite of the discs to create a field of such polarity as to make the magnetic poles of the adjacent permanent magnets move away from the bite of the discs in the direction away from the shield, utilizing the combined forces of the electromagnetic force and the repelling force of the permanent magnets to effect rotation.