Abstract: The invention provides a silo unloader having in connection with its spout assembly, comprised of its discharge spout and its underlying torque arm, features of improvement including means automatically functioning to not only facilitate raising and lowering movements of the spout assembly but also to alleviate the stress and strain normally imposed on a torque arm in the course of a silo unloading operation. The torque arm is distinguished by a telescoping construction which accommodates most readily the eccentricities which occur in the tracking movement of the auger at the base of the unloader as it moves in both a circular and vertical direction within a silo, even when it is out of round.The auger motor of the unloader has control means which are mounted on the torque arm.

Abstract: The space heater of the invention features an improved motor-transformer package which may be easily applied to and removed from the heater, as an integrated unit. The design and mount of this package makes it extremely easy to service and insures that in the placement and operation thereof the total package will be surrounded with an insulating flow of air, the cooling effect of which guarantees a longer and more useful operating life for the included components and related apparatus. In the preferred embodiment illustrated, the motor and transformer elements of the package are connected, in a superposed relation, to opposite sides of a mounting plate the design of which essentially dictates the required placement of the package in a heater housing.

Abstract: A static screen separator compact in both a vertical and a horizontal sense, including an inclined screen structure and a facing feed or head box from which a liquid-solids mixture overflows onto the screen. The head box is located to the front or flow face of the screen and nests therewith, substantially within the vertical and horizontal limits thereof. The head box embodies means defining an overflow lip which guides the slurry form of the liquid-solids mixture onto the flow face of the screen structure, which lip is flexible as to its contour both in the sense of flow and in a sense transversely thereof. The arrangement assures a smooth transition of the slurry from the head box to the screen flow surface irrespective of the nature or character of the contained solids.

Abstract: A preferred embodiment of the invention provides tube cutting apparatus including, a head structure mounting cutter means defining a cutting station for a length of tubular material, an elongate rod-like structure for mounting the tubular material, tube engaging means for advancement of said tubular material along said rod-like structure to said cutting station, support means for said rod-like structure including a portion of table-like form, means for an initially free pivotal connection of said table-like support portion to said head structure and a pedestal type support for the opposite end of said table-like support portion including means for a lateral adjustment thereof about said pivot means to effect a precise alignment of said rod-like structure with said cutting station.

Abstract: A particulate composition producing an endothermic reaction when mixed with water, and a cold pack containing such a composition, and water isolated therefrom until the intended time of use. The composition consists essentially of, in parts by weight, about 65 to about 130 parts urea, about 35 to about 80 parts hydrated sodium acetate (Na C.sub.2 H.sub.3 O.sub.2 .multidot.3H.sub.2 O), about 18 to about 40 parts potassium chloride, potassium nitrate, or mixtures thereof, about 18 to about 30 parts ammonium chloride, and about 6 to about 10 parts quar gum. A cold pack comprises an outer sealed, flexible, impermeable enclosure containing the composition, and an inner sealed, flexible, impermeable, easily ruptured enclosure containing about 85 to about 140 parts by weight water. The pack reaches and maintains a temperature of about -7.degree. C for up to 30 minutes, and is moldable to conform to the surfaces being cooled.

Abstract: A compact, relatively midget sized, portable heater a stable base for which is provided by its fuel tank per se. The tank features a plug fit filter tube formed to facilitate the connection of a fuel supply line. Preferred embodiments of the heater are characterized by plate formed air deflector fins which are arranged to most effectively control the delivery of air to and about the discharge from a simply mounted and constructed fuel nozzle at the entrance to a combustion chamber. The illustrated embodiment shows the fins as included in a bracket-type support for the fuel discharge nozzle and on a deflector plate which defines the entrance to the combustion chamber to which it mounts. The relationship of parts enable the use of a minimal amount of energy for a given application.

Abstract: For use in connection with a water supply system wherein pumping means draws water from a source and supplies it to various consumers by way of a main and branch lines from a main, a supplement to said supply system including a tank forming a first large standpipe for storage of water and a second smaller standpipe. The second standpipe is positioned within said first standpipe to project upwardly from and perpendicular to its bottom to a level approaching but spaced from the top of said first standpipe. A distribution line is provided one end of which opens into the bottom of said first standpipe and the other end of which is arranged to connect to said main. The lower end of said second standpipe, which opens from the bottom of said tank, has coupled thereto one end of a first flow line the opposite end of which is arranged to connect to said main.

Abstract: An improved feed bunk assembly embodying a portable superstructure which can be quickly and easily assembled or disassembled as needs require. In a preferred embodiment the superstructure includes load supporting post means which may be slip fit in feed bunk apertures and thereby stabilized. The invention further contemplates that the feed bunk may mount a longitudinally oriented device which may be employed to introduce feed of selectively different types into one side of a feed bunk or the other.

Abstract: A particulate composition producing an exothermic reaction when mixed with water, and a hot pack containing such a composition, and water isolated therefrom until the intended time for use. The composition consists essentially of, in parts by weight, about 40 to about 90 parts anhydrous calcium chloride, about 12 to about 25 parts anhydrous sodium acetate, and about 5 to 15 parts calcium oxide. A hot pack, per the invention, comprises a sealed, impermeable, flexible outer enclosure containing the composition, and a sealed, impermeable, flexible, easily ruptured inner enclosure containing about 40 to about 90 parts by weight of water. The proportions of the elements of the particulate composition will vary somewhat in accordance with the objectives of the hot pack in which the composition is applied. When the contents of the hot pack are activated, it will gradually reach, maintain and be limited to be predetermined safe temperature.

Abstract: A sanding, buffing or polishing tool the body of which comprises an operating head a peripheral surface portion of which has a configuration defined by a line revolved about its central axis and includes therein at least one longitudinally extending cut which is non-radial in its inwardly directed sense, with reference to its orientation in said head. This cut is adapted to anchor one end of a section of strip material which wraps around said peripheral portion of the operating head to provide thereon an abrasive exterior surface.

Abstract: A device useful in a moving vehicle to locate the position of the vehicle relative to a particular point of reference at any time the vehicle is moving along a given highway. The device resembles a calculator in form and employs storage or memory banks the elements of which are key controlled. Numerical key controlled means are provided for input to said device of numerical information respectively to identify a point of reference along a given highway and individual mileage readings referenced to spaced locations along said highway. Function keys are provided to store this numerical input in said storage or memory banks and the last to operate of said function keys is arranged to interrelate the stored numerical information and to transmit an output signal from said device which enables an accurate location of the position of said vehicle along said highway in accordance with the last numerical input.

Abstract: The ventilator valve of the invention includes a housing incorporating a plate portion having an aperture forming at least part of a passage for air to flow through the housing. This plate portion forms a base adjacent to which a valve plate is rotatably mounted, in a plane substantially parallel thereto. A ring-like member is fixed to said base plate to dispose adjacent the outer periphery of the valve plate. This ring member embodies means defining a plurality of circularly spaced recesses in which a locking element on the valve plate may be selectively engaged. The engagement of the locking element in one of said circularly spaced recesses causes the valve plate to be in a valve-open position, in which position it is clear of at least a portion of the aperture in said plate portion of the housing.

Abstract: This invention provides vending and dispensing apparatus comprising a housing having a bin section and a dispensing section separated by a belt type conveyor. The conveyor embodies means which in the movement thereof serve not only to influence elements of a conglomerate mass of material stored in the bin section to separate one from the other but to carry elements of the separated material to the dispensing section for their discharge in a relatively individualized form.The invention also features a mobile dispensing unit which may be be backed up to receive the discharge from the dispensing section of the above described housing and moved to deliver measured amounts of the material to a plurality of remote stations. The mobile unit embodies a storage type receiving chamber having a movable bottom wall structure including a pocket which accommodates a measured amount of the material delivered to the storage chamber.

Abstract: A vending or dispensing type machine featuring a turntable with a tiered superstructure embodying receptacles for articles to be dispensed. The superstructure is formed in segments which can be quickly and readily assembled per se and then easily joined, concentric to and in connection with a vertically oriented drive shaft.The machine also features simplified controls providing that each of the respective tiers of receptacles are automatically provided with a dispensing station at its own level as the receptacles of the other tiers are sealed from access.

Abstract: A folio, a plurality of which form a booklet, from outer surfaces of which one may separate a representation of a picture or scene to expose a framed duplicate thereof. In preferred embodiment the separated representation is embodied in a post card format which may be used to send messages to family or friends while the remainder of the folio including the duplicates may be preserved as a permanent album with pertinent notations.

Abstract: A bracket providing an auxiliary support adapted for easy connection to or removal from a base structure having an opening opposite edge portions of which may serve as mounting means for the bracket.The bracket illustrated comprises a plurality of arm elements having a common pivot. One portion of the arm elements is adapted to serve as a support for an object to be appropriately mounted with reference to said base structure. Other portions of said arm elements provide two anchoring means the projected ends of which may be inserted in the opening in the base structure. Means are provided to induce a scissors-like spread of the inserted arm elements, to cause remote surface portions thereof to firmly engage said opposite edge portions of said opening, and to fix said arm elements in a predetermined relation to each other and to the base structure to which the bracket is mounted.

Abstract: Apparatus particularly advantageous for use as part of a bicycle or other chain drive assembly featuring a single plate formed to embody a plurality of drive sprockets. A preferred embodiment illustrated is comprised of a plate the central portion of which is dished and offset to a plane parallel to that occupied by an outer annular portion which embodies a set of sprocket teeth on its outer periphery. The offset plate portions are rigidly fixed in their respective positions by strip-like connectors which extend from the outer periphery of the dished portion of the plate to the inner periphery of said annular plate portion. The central dished portion of the plate is flat and has a disc-like configuration which also embodies sprocket teeth on its outer periphery, intermediate notched portions thereof from which extend the radial connector strips.Also featured is a plate-like chain guard which has a dished configuration.

Abstract: Apparatus for separating or classifying the contents of a flowing slurry comprising a descending flow surface having a low profile and associated therewith a relatively low head box, the latter of which is distinguished by a relatively restricted cross sectional area adjacent its top. The flow surface is characterized by screen sections successive of which differ in orientation and profile whereby to produce a compact structure having a high capacity for separation of liquid from a flowing slurry. The design of the head box is such to enable a fast and effective delivery of slurry in spite of the low head provided.