Abstract: Improved apparatus for disposing of fecal matter with pressurized water. The apparatus includes a chamber which covers animal remains and a screen mesh which separates the remains into small pieces sufficient for rapid dissolving under the chamber with a water spray.

Abstract: A ventilating system for a tepee includes an uppermost portion of a wall of a tepee, a substantially horizontally disposed opening defined by a top of the uppermost portion, a support disposed above a center of the opening, and a cone-shaped cap having a vertex, a base and a pivot point located on a top side of the wall, wherein the pivot point is rotatably supported by the support and wherein a bottommost portion of the base, opposite from the pivot point, rests on an outer annular surface of the uppermost portion, such that the cap is rotatable about the support.

Abstract: A combination thermal or pressure activated relief valve is disclosed. The valve includes a housing having an inlet and an outlet formed therein. The inlet is adapted to be attached to a pressure source while the outlet is in communication with an area having a lower pressure value than said pressure source. An insert is secured in the outlet and includes a stem having a first passage formed therethrough and a helical groove formed about its outer periphery. The groove cooperates with the housing to form a helical passageway between the inlet and the outlet. A fusible material is inserted into the helical passageway and normally blocks fluid flow therethrough and is fusible at a selected temperature to permit fluid flow therethrough. A second member is secured to the insert and has a passage formed therethrough which communicates with the first passage formed in the insert. A pressure responsive lamina is positioned across the passage for normally blocking fluid flow therethrough.

Abstract: A thermally activated valve is disclosed for attachment to a pressurized vessel such that substances contained therein can be released at a selected temperature value. The valve includes a body having an inlet and an outlet in fluid communication with each other. The inlet fluidly communicates with the interior of the pressurized vessel while the outlet is in communication with an area having a lower pressure value. Secured in the outlet is an insert having a stem. The stem has a helical groove formed about its outer periphery and has at least one small aperture which is in communication with the helical groove. The insert cooperates with the body to form a helical passageway therethrough. Positioned within the helical passageway is a material for normally blocking fluid flow therethrough which is fusible at a selected temperature to permit fluid flow therethrough.

Abstract: An automatic gas distributing device delivers gas at a constant predetermined pressure from one of a plurality of high pressure vessels arranged in a ring connection. The device has flow paths corresponding to the high pressure vessels, and is controlled by the direct application of pressures of the gas contained in the associated vessels to the relevant stop valves. The device automatically sets into operation a high pressure vessel having a lower gas pressure than other vessels. The device interrupts the high pressure vessel in operation when the gas pressure of the vessel is reduced below a control pressure, and actuates the succeeding vessel.

Abstract: The above-entitled system is especially useful in recreational vehicles but is obviously adaptable to other arrangements. As obviously applied to a recreational vehicle (RV) having a fresh water tank, a grey tank and a waste tank, the system includes a plurality of electrically activated valves, one for each tank, so arranged as to be individually operated exclusive of each other in a convenient sequence for filling the water tank, draining and rinsing the grey tank and finally draining and rinsing the waste tank. The grey and waste tanks are connected to a water supply line by separate lines, each of which includes spray nozzles assuring cleansing of the tanks. A pump is provided in conjunction with the water for use in the event of a situation in which an external water source--such as city water--is not available.

Abstract: A surface safety valve hydraulic actuator of modular construction. The actuator includes separately installable, removable, and interchangeable wirecutting and non-wirecutting spring modules, used with the same hydraulic cylinder and bonnet. The bonnet is attached to the body of the valve. A lower stem extends through a lower seal and into the valve body cavity, and is connected to the gate segments of the valve. A hydraulic cylinder is removably attached to the bonnet. An upper stem with a central bore is disposed in the cylinder chamber and carries a piston thereon, and extends through an upper seal in the top of the hydraulic cylinder. A spring module is removably attached to the hydraulic cylinder, and includes a spring can telescoped over the top of the cylinder. The spring can is rotatably connected to an annular spring retainer, which in turn is mounted on the cylinder. A coupling rod is inserted through the upper stem and screwed into the top of the lower stem.

Abstract: A fluid pressure regulator having a flow path from inlet port to outlet port. Reduction of particulates which might be generated by the regulator itself are minimized by the absence of springs, freely moving parts, and rubbing contacts in the flow path, and by minimizing the cavity volume.

Abstract: A pilot operated directional control valve having a diaphragm held between a passage block which has a feeding port, at least one loading port and at least one discharge port, and an opposed control block which has pilot pressure passages. The ports of the passage block open into the end face of the passage block adjacent to the control block through respective fluid passages. The pilot pressure is exerted on the diaphragm by the pilot pressure passages to control the fluid connection between the ports of the passage block. The fluid passages are located in a concentric arrangement. The diaphragm has a center valve portion with an annular valve portion therearound. The two valve portions can be independently controlled by the pilot pressure acting thereon to control the fluid connection between the two adjacent fluid passages.

Abstract: A hydraulic pressure controller including a valve body having a longitudinal bore and defining an inlet port for connection to a hydraulic pump, an outlet port for connection to a hydraulically operated device, a discharge port for connection to a hydraulic fluid reservoir and a cylindrical end portion surrounding a portion of the longitudinal bore, with the ports opening transversely into the longitudinal bore. Also included is a valve spindle axially movable in the longitudinal bore between positions that provide flow passages between the inlet, outlet and discharge ports; an electromagnet having a solenoid winding, a fixed magnetic core, and a cylindrical plunger movable within the winding and axially aligned and engageable end-to-end with the valve spindle; and a cylindrical guide tube having an open ended length portion fitted over the cylindrical end portion and another length portion slidably fitted over the plunger.

Abstract: A plastic service valve includes a valve body of molded plastic having upper and lower chambers. The valve body is open at the top and bottom ends. The lower chamber includes inlet and outlet openings. A thrust seat is formed within the upper chamber between the open top end and the inlet and outlet openings in the lower chamber. A valve member is disposed in the valve body and positioned against the thrust seat. Structure is provided in the valve member and adjacent to the thrust seat for locking the valve member to the valve body. The valve member is molded of plastic material to form a unitary body including a plug portion and an actuator portion. The plug portion is rotatable in the valve body between an open position which is aligned with the inlet and outlet openings of the lower chamber of the valve body and a closed position. The actuator portion extends upwardly through the upper chamber portion and receives an operating nut.

Abstract: A flow control valve operable to bleed pressure from a pressurized source. The flow control valve includes an integral body, a bleed cap, a bleed valve element and a check valve assembly formed of a valve housing and a valve element.

Abstract: A bolt and keeper secure nuclear steam generation isolation dam segments in assembled relation. The bolt is rotated into locked position with its handle in a slot as a transverse projection on the bolt end is moved along a ramp into a securing notch against the bias of a compressible rubber spring.

Abstract: A weft yarn is wound on a storage drum, and is withdrawn from the storage drum and inserted into a shed of a loom by a picking arrangement. A retaining pin is movable between first and second positions in which it respectively permits and obstructs removal of the yarn from the drum. A sensor is provided at a location spaced from the arrival end of the shed. A control arrangement responsive to the sensor effects movement of the retaining pin, and adjusts the point in time at which it moves the pin from its second to its first position in response to signals generated by the sensor during yarn insertion.

Abstract: A loom left yarn store receives yarn being supplied from a weft package (5) and makes the stored yarn supply available to be drawn off from the store intermittently for picking into the shed of a loom. The store includes a stationary drum (11) which is supported by way of its outer periphery and which is adapted to receive a yarn supply (51) to be stored. A winding element (14) rotates around the drum periphery (111) and has an element (142) for entraining the weft yarn (52). One or more yarn entraining elements (142) can be brought into and out of operation in accordance with a program and when in operation can wind yarn on the drum periphery (111). The drum (11) is supported by way of its outer periphery horizontally by magnets or vertically by means of brushes. The winding element (14) is a ring which rotates continuously around the drum periphery and from which at least one pin (142) engages periodically in a recess (111) in the drum.

Abstract: A device for detecting the filling condition in a container has an electro-mechanical transducer 4 secured on a diaphragm 5, by which transducer the diaphragm 5 is set in vibration. An electrical unit energizes the transducer to produce oscillations of the diaphragm 5. The diaphragm 5 has a holder 1 on which the diaphragm 5 is fastened by means of a cylindrical intermediate member 6. The wall thickness of the cylindrical member 6 is a multiple of the thickness of the diaphragm 5.

Abstract: Apparatus for comminuting tree stumps, the apparatus includes a vehicle having a flat bed portion, rails disposed on the flat bed portion, a frame slidably disposed on the rails, slide power means to move the frame on the rails, an arm pivotally mounted on the frame, a cutter wheel mounted on the arm, a handle mounted proximate a free end of the arm, and slide power switch means mounted on the arm proximate the handle and operable to activate the slide power means to move the frame on the rails.

Abstract: A rotary veneer cutting machine for conversion of a block of wood into veneers comprises a device for preventing the block of wood from sagging which consists of a first and second set of pressure rollers which act respectively on the upper half and lower half of the block of wood. The first set of rollers is mounted along a beam which is translatable in the plane that contains it, from which beam there extend articulated arms carrying the said second set of rollers. With the said beam and said articulated arms there are associated guide means and actuators which keep the said sets of rollers in contact with the block of wood as its diameter decreases.

Abstract: A protective container assembly for receiver-speaker equipment including an outer container generally rectangular in configuration and closed along three sides and having a mouth at an end thereof with one side of the mouth extending beyond it as a flap member, the outer container being adapted to be secured to straps of a life vest, an inner container generally rectangular in configuration and closed along three sides and having a mouth at an end thereof, an equipment cover generally elongate in configuration and closed along longitudinal sides thereof with a large portion at one end and having a mouth at an opening in the end at the large portion, and separate Velcro strip closure means disposed across interior surfaces of the mouths of each of the outer container, the inner container and the cover. The outer container is sized to store the inner container and the cover within it.

Abstract: A central tire inflation and deflation system which quickly inflates or deflates tires to any one of a plurality of pressures selected by the vehicle operator. Inflation pressure is greater than the pressure to which the tires are to be inflated. The system uses a tire valve which deflates the tires when a pressure less than the instantaneous tire pressure but greater than a minimum value is applied to the valve. Pressure on rotary seals which connect the tires to the system is relieved when the system is not operating.

Abstract: A pneumatic radial tire for a motorcycle, in which a carcass layer is disposed so as to extend from one of the tire's bends to the other, and belt reinforcing layers are disposed outside the carcass layer at the tread. In this pneumatic radial tire, a cord reinforcing layer is disposed outside the carcass layer so as to extend from a shoulder around the bead and up the tire's side wall, and at least one of the end portion of the cord reinforcing layer on the shoulder side and the turn-up end portion is stacked between the end portions of the belt reinforcing layer and the carcass layer.

Abstract: A pneumatic tire containing a ply having a knitting fabric which is formed by arranging warps parallel to each other, setting wefts on the warps to cross the warps at an angle of 60.degree. to 90.degree. without weaving, and twining fine knitting yarns around the warps and the wefts. The ply is used as a chafer, a bead filler or a carcass of a bias tire and reinforces the pneumatic tire. The pneumatic tire is excellent in uniformity and durability, and the weight and the cost of the tire can be reduced.

Abstract: The present invention relates to a pneumatic device for seating tire beads on the rim portions of a wheel of a vehicle. The device includes a header attached to the rotating table of a tire changing machine and which supports a wheel and a tire assembly. A plurality of upwardly extending conduits direct air from the header to the interface between a bead of a tire and the corresponding rim portion of the wheel which are adjacent the top surface of the table. The pneumatic device also includes a system for immobilizing the table during the operation of the device for seating tire beads.

Abstract: A retrofittable insulation system for solar rooms having glass bays supported by sills along the bottom and separated by vertically extending glazing bars. The system includes extruded, plastic double channel tracks secured to the inside of the glazing bars and extending substantially the full length thereof. An insulating shade sheet is carried by a roller supported on brackets mounted at the tops of adjacent glazing bars. The shade sheet has corded edges captured within the channels of the tracks and a batten is secured to its lower edge. Spring motors are mounted on the sill adjacent the bottom of each track, and cables connect the spring motors to the ends of the batten. The shade is operated by an actuator connected to the shade roller, which acts against the spring motors. In a preferred embodiment, the spring motors exert a pull force on the shade that varies in accordance with the force required to retract the shade which is a function of the relative position of the shade in the tracks.

Abstract: A foundry sand blowing apparatus for blowing foundry sand into a mold in forming a die such as a core for use in shell mold process or the like comprises a foundry sand storage tank provided with an eject pin. The eject pin is movable between an ejecting position in which it projects outside the storage tank through a sand discharge port provided in the tank to be aligned with the sand blowing port of the mold and a retracted position in which it is retracted from the sand blowing port into the tank. The tank is further provided with an eject pin driving mechanism for moving the eject pin to the ejecting position to eject the product away from the mold and to the retracted position.

Abstract: Device for rapidly locking core boxes on respective supporting plates, comprising a pin vertically rigidly attached to the base of a core box and freely insertable in a corresponding first hole extending in the supporting plate, at least one recess in the pin, defining an engagement portion for a cam element mounted rotatably, without axial translatory motion, within the supporting plate in such a position as to interfere, only with a protruding part thereof, with the recess so as to lock the pin to the supporting plate and to disengage the pin after the partial rotation of the cam element, retention members being furthermore provided for the cam element, preventing axial translatory motion thereof. The cam element furthermore comprises an end tang protruding from the supporting plate, for rotating the cam element by a key and the like.

Abstract: A mold for use in the horizontal continuous casting of molten material has an integral break ring. The break ring is produced by thermal spraying refractory material onto the surface of the mold to bond the refractory material and solidify it to integrally form the break ring.

Abstract: An apparatus and method for controlling the pour of molten metal into individuals molds. The apparatus comprises a reservoir for holding molten metal to be poured into at least one mold having a sprue and a mold gating system, and a flow control device operatively associated with the reservoir for controlling the flow of molten metal from the reservoir into the mold. A sensor continuously senses the image of the surface of the molten metal in the mold and generates image area information representative of the surface area of the metal relative to the surface of the mold. A sampling circuit repetitively samples the image area information during a pour and generates sampled image area information at a preselected sampling rate. A comparator repetitively compares the sampled image area information to a preselected reference area value and generates a difference value representative of the difference between the image area information and the reference area value.

Abstract: A control system controls the temperature of a chemical process vessel by recirculating a heat transfer medium through a jacket surrounding the vessel. In order to control the temperature of the recirculating medium, the control system uses an internal cooling heat exchanger connected in series with an internal heating heat exchanger and can also connect the recirculating loop to a central refrigeration system. Operation of the heat exchangers and connections to the central refrigeration system are automatically controlled by a computer which selects the cooling method in order to minimize energy use while maintaining the selected temperature. The computer also monitors the inlet and internal temperatures of the vessel and the outlet temperature of the cooling heat exchanger to prevent thermal shock damage when the system changes between heating and cooling during operation.

Abstract: A valve assembly for use with air treatment apparatus is disclosed. The assembly includes shutter valves disposed in the air flow channels and actuatable by the flow of air therethrough.

Abstract: A rotary regenerative heat exchanger (2) for transferring heat from a hot fluid to a cold fluid by means of an assembly (30) of heat transfer element which is alternately contacted with the hot and cold fluid. The heat transfer element assembly (30) is comprised of a plurality heat transfer plates (32) stacked alternately in spaced relationship. The spacing between adjacent plates (32) is maintained by spacers which comprise notches in the form of bilobed folds crimped in the plates (32) at spaced intervals to prevent nesting between adjacent plates, the pitch of the sloping web portions (60) of not more than half of the bilobed folds (38B) in each plate (30) will be opposite in inclination to the pitch of the sloping web portions (60) of at least half of the bilobed folds (38A) in the plates (30).

Abstract: A mounting for a charging air intercooler which is arranged in a space that is separated from the space surrounding the internal combustion engine. A supporting arrangement serves for the mounting of the charging air cooler which is detachably attached at a wall of the body and is formed by pipe sections of light metal arranged at right angle to one another. Spaced fastening elements are provided between the support arrangement and the charging air intercooler.

Abstract: A heat exchanger utilizes a double walled heat transfer tube wherein the inner tube has a knurled external surface engaging the inner surface of an outer tube to provide multiple interconnected leak paths. The inner and outer tubes are attached to inner and outer tube sheets by roller expansion.

Abstract: Apparatus for carrying out physical and/or chemical processes has a lower chamber, an upper chamber, vertical riser tubes for the passage of a first fluid medium from the lower chamber to the upper chamber and an intermediate chamber through which the riser tubes exetend so that a second fluid medium can contact the riser tubes. A granular mass is fluidized in at least the riser tubes by the flow of the first medium. A vertical gravity tube for return passage of the granular mass from the upper to the lower chamber has an outlet below the inlets of the riser tubes. A distribution plate for the first medium is mounted in the lower chamber between the inlets of the riser tubes and the outlet of the gravity tube. To allow the granular mass to fall below the distribution plate for start-up of the apparatus the gravity tube has, at least one opening connecting to the lower chamber above the distribution plate.

Abstract: This invention relates to low cost heat exchangers of the parallel plate-type useful for recovery or dissipation of heat energy in buildings of all types, including homes, office buildings and factories, as well as for heat recovery in the chemical process, electrical power and other industries.

Abstract: In accordance with an illustrative embodiment of the present invention, a kickover tool for replacing and removing valves includes an orienting section having angularly spaced dogs that are cooperable with a sleeve in a side pocket mandrel to cause orientation of the tool and to trigger longitudinal movement of a control rod. Rod movement cams an inwardly biased kickover arm outwardly to enable extension of guides that cooperate with ramps or the like in the side pocket mandrel to cause a valve coupled to said kickover arm to be inserted through a seat and latched in place in the mandrel. After the valve is seated and latched, the guides are disabled wtih response to upward force on the pivot arm. A clutch to prevent premature actuation of the kickover tool also is disclosed.

Abstract: An acoustic logging apparatus and method are disclosed for determining the direction of a subsurface noise source, such as a blowout well or fluid channeling behind well casing. The apparatus comprises cylindrical piezoelectric crystal transducers processed to buck each other. The method employs such an apparatus and includes generating and observing output from the crystals. The direction of the noise relative to the position of the apparatus is indicated by determining the position of the crystal transducers when their phase and amplitude differences are at a minimum. The transducer leading in phase at a point perpendicular to said position is the transducer closest to the noise source and is used to indicate the absolute direction of the noise.

Abstract: In a CO.sub.2 miscible displacement enhanced oil recovery process, produced CO.sub.2 -hydrocarbon gas containing from more than the maximum CO.sub.2 content tolerable in a fuel gas up to about 70 volume percent CO.sub.2 is reinjected into a small portion of the well pattern volume and produced CO.sub.2 -hydrocarbon gas containing more than 70 volume percent CO.sub.2 is reinjected into a larger portion of the well pattern volume. The method provides a more effective utilization of CO.sub.2 in a CO.sub.2 miscible enhanced oil recovery process while maintaining most of the oil-containing formation under miscible conditions.

Abstract: A process for delaying the gelation rate of a polymer used in oil recovery applications. A gel is prepared by mixing a single aqueous gelation solution at the surface made up of a polyvalent metal cross-linking agent and a polyacrylamide having no hydrolysis or only a limited degree of hydrolysis. The solution is injected into a desired treatment region and gelled to completion in situ.

Abstract: Conformance improvement is achieved in a subterranean hydrocarbon-bearing formation using a gel comprising a high molecular weight, water-soluble, carboxylate-containing polymer, a chromium III/carboxylate complex capable of crosslinking the polymer and an aqueous solvent. The gel components are combined at the surface and injected into the desired treatment zone via a wellbore to form a continuous single-phase gel.

Abstract: Sand is evacuated from horizontal and vertical wellbores utilizing a jet pump connected to the distal end of a concentric tubing string which is insertable in the wellbore and extendable from the earth's surface or from a seal member providing a crossover flow path between the wellbore annulus above the seal member and the inner tubing member of the concentric tubing string. The jet pump includes a plurality of nozzles for ejecting evacuation of fluid into the wellbore to agitate and entrain accumulated solids for flow into a pump inlet cavity and to be propelled out of the pump by a portion of the evacuation fluid acting as a jet pump power fluid. The inner tubing member may be coilable tubing which is inserted into the outer tubing member after the jet pump has been lowered into the wellbore. An upper portion of the concentric tubing string may be made up of preassembled sections of the inner and outer tubing members.

Abstract: Disclosed is a method of preparing an inflatable packer including a mandrel and a sleeve for insertion into a fluid filled well bore. The method includes pressure testing the sleeve and its connection with the mandrel with a gas without introducing any incompressible fluid between the area of contact between the sleeve and mandrel. The method also includes the filling any pressure vulnerable areas in the packer not in the area of contact of the sleeve and mandrel with an incompressible fluid.

Abstract: A horse hoof shoe comprises a front part having a horse shoe like bottom portion and a wall portion upwardly extending from the bottom portion, a rear part formed as a cap and having a rear portion and at least one strip portion extending forwardly from the rear portion and engaging the wall portion, two upper loops and two lower loops provided on the rear portion of the rear part, two belts extending through the upper loops and the lower loops in a crosswise manner and also partially extending over the front part and each having one end arrested on the wall portion of the front part and another end located above the one end, and a tensioning device arranged at a front side and at the center of the wall portion of the front part and connected with the other ends of the belts, the tensioning device being selflocking and having a rotary bottom formed so that by rotation of the rotary bottom the belts are pulled forwardly or pushed rearwardly in a stepless manner without use of an additional tool.

Abstract: The present invention relates to a new and improved piezoelectric high voltage impact mechanism including a hollow housing means having groove means with two portions and a shoulder portion at their juncture, provided on its inner surface, an actuator means having two projections slidably received in the upper portion of the groove means, a hammer means with two lug members movably received in the lower portion of the groove means and an actuating spring means torsionally connecting the actuator means and the hammer means so that the hammer is held on the shoulder in the housing as actuation is initiated. Energy is stored in the spring during actuation and the actuator pushes the hammer off the shoulder, initiating an impact in a straight-line avoiding unnecessary dispersal of energy and ensuring a stable high voltage pulse.

Abstract: In the representative embodiment of the new and improved perforating apparatus described herein, shaped charge cases are provided with matching upper and lower supports with parallel abutment surfaces and alignment means cooperatively arranged to enable a plurality of these charge cases to be stacked together for erecting an intertwined assembly of cases. By appropriately selecting the combined heights of the matching supports, adjacent ones of the charge cases can be closely spaced one above the other and directed outwardly along selected radial perforating axes at uniform angular spacings.

Abstract: The apparatus for making a substantially vertical slot in the ground, especially in a single operation in making a sealing or supporting wall, comprises a machine frame with a rectangular cross section guided in the slot in the ground with a plurality of guide surfaces and at least one driven cutting wheel positioned at the lower end of the machine frame. The machine frame and the cutting wheels have a width which correspond to the width of the slot in the ground within tolerances defined by the guide free play and the cutting free play. The machine frame is guided in the vertical slot with a plurality of guiding surfaces and comprises an upper guide frame and a lower guide frame. The cutting wheels are mounted on the lower guide frame. The controlling piston cylinder unit for control of the lower guiding frame is mounted between the upper and lower guiding frames.

Abstract: A downhole tool positioned intermediate the mud motor and the drill bit, for reducing the hydro-static head near or around the bit. What is provided is an upper body portion threadably attachable to the mud motor and having an internal shaft with a bore therethrough for allowing mud to flow down the shaft rotatable during the the operation of the tool. The upper body portion further includes a gear member on the outer wall of the shaft for rotatably engaging the pair of upper gear members which imparts rotation to a pair of lower gear members for further imparting rotation to a fan member located in the lower portion of the tool.

Abstract: Hydraulic flow may be rendered substantially uniform throughout the waterways on a rotating bit from the center of the bit to the outer gage. This is accomplished by defining waterways into the bit face below a primary surface of the bit face. A colinear land is then disposed into the waterway, but does not extend above the primary surface of the bit face. A plurality of teeth are then disposed on the colinear land and extend above the primary surface of the bit face. The flow of hydraulic fluid is prevented from dispersing as the fluid moves from the center of the bit to the outer gage. Cutting by kerfing is further optimized by arranging triads of cutters on each of the pads disposed in the waterways into a set. Each triad of cutters corresponds to additional triads of cutters in azimuthally subsequent and adjacent pads in the next subsequent waterway, thereby forming the set of associated triads of cutters. Each triad of cutters in the set is radially offset from the corresponding triads in the set.

Abstract: A scale small enough and light enough to be carried in a person's pocket by virtue of the fact that most of its components are formed of lightweight molded plastic material. The fulcrum for the beam of the scale is provided by a pair of pointed, metal fulcrum posts adapted to cooperate with a pair of metal bearing inserts in the beam. A sliding weight which is movable along the beam has a metal insert to increase its weight and the metal insert is positioned in the plane of the fulcrum when the sliding weight is in its zero position.

Abstract: A load is applied to a beam, and the strain is measured at a selected region of the beam to determine the magnitude of the load. Downwardly directed load forces and upwardly directed reaction forces are transmitted to the beam by force receiving members which include resilient bodies lying within the lateral side boundaries of the beam.