• Coin hopper weighing system


    An apparatus and method are provided for deterring gaming machine theft and fraud by weighing the number of coins accumulated in a gaming machine hopper assembly (9). In one preferred embodiment, a coin weighing apparatus (12) consisting of ...
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  • Weight indicating device


    This invention relates to new and useful improvements in weight indicating devices. In the drilling of wells, particularly for oil and gas, the drilling mud is pumped from a slush pit Into the drill stem extending into the well. The lower en...
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  • Weigh feeder(2)


    A digital weigh feeder includes a conveyor belt for transporting material thereon. The conveyor belt has an average tare weight. A digital weight transmitter provides at least first and second outputs having first and second frequencies resp...
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  • Method for controlling signal power in transmitter of radio system by weighting, and transmitter ther


    The invention relates to a method and a transmitter implementing the method, wherein signal errors caused by high-rate power control commands are eliminated. The invention is based on weighting a signal to be supplied to an amplifier while t...
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  • FORCE MEASURING WEIGHING DEVICE


    A weighing device such as a U-tube densimeter for measuring the densities of liquids and producing indications of densities including a fluid pressure operated load or force measuring unit employing a booster pilot. The measuring unit has pr...
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  • Grain weighing and measuring system


    A grain measuring and weighing device including an entrance chamber, a constant volume chamber, and a weigh chamber. A plurality of gates controllably move between open and closed positions to allow a known volume of grain to flow between ch...
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  • Low profile tension mounted load cell industrial scale


    An industrial scale including a plurality of tension mounted load cells disposed along and spaced outwardly from the longitudinal side of the weighing platform. Retractable support structures are spaced along the longitudinal sides of the we...
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  • Heavy duty industrial scale


    A plurality of mounts carry a weighbridge or platform. Each mount has a transducer that carries the mounts portion of the load and indicates weight by strain in shear. The weighbridge loads a horizontal cross pin. The pin, in turn, loads a l...
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  • Heavy-duty industrial weighing scale


    A weighing scale of the type utilizing a lever assembly to transfer a load from a weighing platform to a weight indicator by way of a suspension assembly interconnecting a platform load-transmitting beam to a lever of the lever assembly, wit...
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  • Filling machine(2)


    A filling machine operable to dispense a fluid from a fluid supply to a container having an opening and a cap configured to cover the opening. The filling machine includes a housing that defines a fill chamber and a cap removal assembly at l...
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  • Weigh feeder system


    Disclosed herein is an automatically controlled weigh feeding apparatus including a container prefilled with a substance, a device for discharging the substance from the container at a controllable weight, apparatus for weighing the containe...
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  • Rotary hopper for packaging scales


    This invention relates to packaging scales and in particular to means for indexing a multi-compartment rotary hopper. Rotary hoppers have been used in weighing scales.because of the ease and speed with which their contents may be discharged ...
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  • FILLING MACHINE


    A machine for filling containers with a liquid. A tank holding a liquid revolves around its vertical axis and has a plurality of filling stations distributed around its circumference, each station having a valve with a control member. A rota...
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  • Improvement to industrial weighing systems and respective devices to obtain it


    The invention consists in a machine for checking weight accuracy, and in other machines for industrial weighing, which use two or more scales instead of only one. The scales must be similar and loaded consecutively with the mass to be checke...
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  • Weighing system


    A weighing system having excellent, quick response to control information and capable of easily adding and changing hardware. Aweighing driving section 12 is provided on each weighing unit 11 forming a combination scale. The weighing driving...
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  • High speed weighing system


    A high speed weighing system for weighing articles moving along a conveyor or the like wherein the article to be weighed is dropped onto a weighing platform and weighed during a predetermined time period as it traverses the weighing platform...
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  • Belt conveyor weighing system(2)


    Material carried by a conveyor belt is weighed through the use of a single load cell. The conveyor belt is associated with the load cell so that relative movement can occur therebetween, and side forces or twisting moments applied to the loa...
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  • Belt Weighing System


    A belt weighing system comprising a weigh frame, an entry transition support structure and an exit transition support structure positioned on either sides of the weigh frame. The weigh frame preferably includes a plurality of closely spaced ...
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  • Pressure transducer


    Physiologic pressure transducers convert an applied pressure (e.g., blood pressure) into an electric signal, which can be displayed by a monitor as a numerical value or continuous waveform. While reusable pressure transducers have been used ...
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  • PRESSURE TRANSDUCERS


    A novel miniature blood pressure transducer is described including a catheter tip transducer implantable in an artery or vein. The transducer employs a novel strain gauge for converting blood pressure pulsations into measurable electrical si...
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  • Weight sensor


    The invention provides a weight sensor (10) which includes a first electrically conductive sheet (12) electrically isolated from a second electrically conductive sheet (14) by inserts of a closed cell foamed polymeric dielectric (16) and an ...
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  • LOAD CELL


    A load cell insensitive to bending loads and able to accurately indicate off-center loading for tension or compression loads under static or dynamic conditions. The load cell comprises a plurality of strain gaged beams, the beams being selec...
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  • Electronic scale


    An electronic scale integrally formed within the housing of computer keyboard. The scale includes an item holder which may be removably attached to a weighing unit mounted in a clearance region located at a rear portion of the keyboard housi...
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  • ELECTRONIC WEIGHT TRANSMITTER


    An electronic weight transmitter which produces an electrical signal proportional to the gross or net weight applied thereto. The electronic weight transmitter utilizes a parallelogram structure having substantially frictionless pivots at th...
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  • Electronic scale


    An electronic scale serves to weight a food and provide information through a screen. The information comprises a category and a name of the food, and calories as well as nutritional elements contained in the food of such weight....
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  • Load cell(2)


    A load cell combines the outputs of a plurality of strain gauges to measure components of an applied load. Combination of strain gauge outputs allows measurement of any of six load components without requiring complex machining or mechanical...
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  • Load cell type weight measuring device


    A load cell type weight measuring device includes a load cell formed of a strain member provided with a plurality of strain gauges and deforming according to a load applied to a load receptacle. The load cell type weight measuring device con...
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  • WEIGHT SENSING CELL


    This disclosure deals with a weight sensing cell for a scale, including two differentially loaded vibrating members. The two members are pretensioned, and they are arranged and connected to a weighting platform of the scale such that, by the...
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  • BATCHING SYSTEM


    A batching system (200) for use in a food packaging system comprises a batching table (202) having a plurality of filling stations (206) positioned around an axis of a predefined delivery position. A weigher (204) is operable to provide food...
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  • PACKAGING CONTROLLER FOR CUSHIONING PRODUCING SYSTEM


    A packaging system includes a cushioning conversion machine for converting stock material into relatively low density cushioning material or dunnage and a packaging system controller. The packaging system controller provides packaging instru...
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  • Weight control system


    The system controls the weights of individual charges of product or material accumulated by feeding material, preferably at a high "bulk" flow rate and then at a relatively low "dribble" flow rate, into one or more buckets or hoppers. As mat...
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  • Writing instrument with weight actuation


    A writing instrument comprises a refill disposed slidably along the axial direction in an outer cylinder, a rotating cam set provided in the vicinity of the rear portion of the refill, a weighting balance placed in the vicinity of cam bar of...
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  • Coating weight control system


    An apparatus for performing a coating weight control calculation and an apparatus for generating an activation timing of each process in coating weight control are separately managed. A strip welding point pass event, a completion event of s...
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  • PACKAGE CONTENT CONTROL


    A package for items, the package having a wireless communication unit configured to wirelessly receive identification information from data transmitters corresponding to the items within the package to which the apparatus is associated. Thep...
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  • Instrument balance weight


    Our invention relates to improvements relating to the balancing of the moving elements of instruments and, in particular, to a balancing weight in the form of a double wound helix adapted to be resiliently held upon and to be adjustable alon...
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  • Batching system


    A batching system for operating each cycle of a batching process includes a communications bus to which are connected a basic processor, a control console, an analog/digital converter module, and an interface unit. The basic processor includ...
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  • DISCONTINUOUS TOTALISING WEIGHERS


    These machines can be differentiated by virtue of the fact that their primary purpose is to totalise discrete batch weights for the purpose of recording accumulated total weight of a larger bulk mass of material, and sometimes the throug...
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  • Gross Weighers


    Application Like net weighers, these machines are always single feeder devices that fill a variety of bag types with a pre-determined weight of product. Unlike net weighers, their application is to fill product directly into the bag to a pr...
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  • Application of process batch weighing systems


    Process batch weighing systems can have almost infinite configuration possibilities but, for the purposes of illustration in this document, fall into two broad categories of cumulative batching and simultaneous batching which may be co...
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  • Process Batch Weighers


    Many industrial processes are easier to operate if the materials are separated into discrete batches where the weights and mixing quality can be tightly controlled. ...
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  • Design considerations of the belt conveyor system


    1.1 Conveyor Capacity The correct interpretation of user defined conveyorproduct transfer rate is possibly the most important aspect of conveyor design. It is not unusual for a user to specify conveyor capacity in tonnes per hour where this...
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  • SCOPE OF Dynamic Weighing


    Industry utilises a variety of dynamic weighing systems to suit the specific measurement requirement. One area which is not covered, but which is planned to be tackled in a future revision, is the specific case of catchweighers attached t...
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  • Sources of error in Weighing Scales


    Weighting scale should go through routine calibration. The calibration of electronic circuits may drift as time goes by. To avoid errors due to mis calibration, make sure you go to authorized centers and calibrate your instrument regularly....
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  • Measurement of mass in motion


    Electromechanical belt weighers In practice, in the mining/metallurgical industry, the main primary accounting input stream to the treatment plant is run of mine ore from the mining operation, the mass of which is measured on conveyor belts...
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  • Accuracy and precision of mass measurement


    A mass measurement for metal accounting should be as close to the true value as possible (accurate) and also be reproducible (precise). The objective of mass measurement for metal accounting is to reduce random errors to within acceptable l...
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  • Product Feeders


    Any belt conveyor user has encountered the neverending problem of conveyor overloading. The belt width is selected to provide freeboard for prevention of spillage and/or material lump size. To those not acquainted with this rationale, howev...
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  • BELT WEIGHER ACCURACY LIMITING FACTORS


    In practical experience, the accuracy of massf low measurement by the use of belt weigher, is considerably lower than the theoretical, as the result of acting of a number of limiting factors. The analyses that hav...
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  • THE SPECIAL APPLICATION OF LOAD CELL


    High Temperature Load Cells As load cell weighing was applied to the metal processingindustry, the need for devices to withstand high environmen-tal temperatures became pressing. In recent years, organicand inorganic bonded strain gauge bac...
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  • THE SELECTION OF LOAD CELL


    Concepts and selection procedures for weigh systems basedon load cells are focused on accuracy and repeatability ofmeasurements of relatively large loads within a variety ofconstraints imposed by shape and vessel sizes, structuraland mechani...
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  • Testing and calibration of operating belt weighers(2)


    Abstract. One of the factors affecting the accuracy of mass flow measurement by the application of belt weighers is, certainly, testingof not only a weigher on the whole, but some of its parts as well. This paper deals with belt weigher te...
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