Abstract: A weight sensor includes at least one force-translating element cooperating in a levered manner in response to an applied load. The at least one force-translating element is arranged at least in part asymmetrically to an imaginary center plane of the weight sensor.

Abstract: An exemplary weighing module is disclosed which has a load receiver and a weighing cell that are connected to each other by a force-transmitting rod, wherein the weighing module is arranged inside a design space whose dimensions in a plane extending orthogonal to the load direction are limited by the design spaces occupied by neighboring weighing cells or represent the largest dimension of the weighing cell in said plane. An exemplary weighing cell has a parallel-guiding mechanism in which at least one movable parallel leg which is connected to the force-transmitting rod and at least one stationary parallel leg are arranged with a predefined guiding distance from each other, connected to each other by at least one upper parallel-guiding member and at least one lower parallel-guiding member. The effective length of the parallel-guiding members is larger than the guiding distance, and the movable parallel leg does not protrude out of the design space.

Abstract: A force sensing device has a single-component metal housing. The housing has an upper rigid housing part and a lower rigid housing part that are interconnected by way of U-shaped spring elements and can be elastically displaced along a displacement axis in relation to each other by the action of a force. The spring elements are symmetrically arranged in relation to a section that is parallel to the displacement axis. A deflection sensor is disposed between the upper and lower rigid housing parts, for detecting the relative displacement of the two rigid housing parts in relation to each other. The housing is produced using metal injection molding technology.

Abstract: In a force-transmitting device of a force-measuring cell with a parallel-guiding mechanism in which a stationary parallelogram leg and a movably guided parallelogram leg are connected to each other by parallelogram guides, at least one of the parallelogram legs has a fastening part with at least two fastening portions. Each fastening portion has a fastening pad with a tapped hole normal to the fastening pad surface, for fastening the device to a housing or a load carrier. The parallelogram leg has slot-shaped incisions that serve to uncouple the fastening portions from the rest of the parallelogram leg, so as to prevent the propagation of assembly stresses from the fastening portions into the working parts of the force-measuring cell.

Abstract: Weighing module having a first mounting device which is in force-transmitting contact with a load that is to be determined, also having a second mounting device which is connectable to a supporting structure that supports the weighing module. A load cell is arranged between the mounting devices and cooperates with a load-transmitting device. The weighing module has a first and a second receiving cup, each of which has a concavity designed to receive the force-transmitting element, which receiving cups are arranged between the mounting devices. At least one concavity has an elliptical cross-section in a plane that is substantially orthogonal to the direction of the load.

Abstract: In a force-transmitting mechanism (1, 101) with a parallel-guiding mechanism having a stationary (2) and a movable (4) parallelogram leg (2), with a lever mechanism having at least one lever (6), and with at least one coupling element (5, 105) that introduces a force into the lever mechanism or transfers the force within the lever mechanism, wherein the coupling element is stiff in its lengthwise direction but bends elastically. The coupling element has at least one first flexure joint (8) with a thin material connection and it is movable in the parallelogram plane. The lever mechanism and each coupling element (5, 105) are integral parts of a material block. Each coupling element (5, 105) also has at least two second flexure joints (16, 116) with thin material connections whose flexibility is in the direction transverse to the bending of the first flexure joint (8).

Abstract: A device to weigh objects of like nature has at least a first weighing module and a second weighing module. Each weighing module includes a load receiver and a weighing cell connected to each other through a force-transmitting rod. Each weighing cell is arranged in a design space whose dimensions in a plane that extends orthogonal to the direction of the load is delimited by the design spaces of adjacent weighing cells.

Abstract: A weighing dish for icing for use in a weighing apparatus including a load cell for weighing, a vertically extending frame having a lower end connected to the load cell, and a horizontally extending base provided at an upper end of the frame and for mounting the weighing dish on an upper side of the base, is provided including: a top turntable for placing a to-be-weighed subject thereon; and a rotational support member joined to a lower side of the top turntable and supporting the top turntable at plural points for rotation.

Abstract: Two horizontal holes are processed at the end face of a movable pillar of a load measuring cell in a block shape. A power-point spring is formed between the horizontal holes, and the internal side faces of the horizontal holes constitute the internal end faces of supporting-point springs. Further, from above or below the load measuring cell, a vertical hole is processed so that the supporting-point springs are separated by the vertical hole extending in a vertical direction and are formed on both side faces in the longitudinal direction of load measuring cell.

Abstract: The invention relates to an industrial truck having a first load-bearing component (12) and a second load-bearing component (14) which are provided such that they can move in relation to one another for the purpose of carrying out a conveying movement, a sensor scale (22) being provided on one of the load-bearing components (14) (scale load-bearing component) for the purpose of detecting the relative movement between the two load-bearing components (12, 14), and a sensor (24), which is designed to detect the sensor scale (22), being provided on the respective other load-bearing component (12) (sensor load-bearing component). The industrial truck is characterized in that the sensor scale (22) is designed integrally on the scale load-bearing component (14) such that a section (14a) of the scale load-bearing component (14) itself is the sensor scale (22).

Abstract: A weighing system for a ladle transfer car is disclosed. For each wheel of the transfer car, a heat-resistant load cell designed to tolerate temperatures of at least 550 degrees Fahrenheit is mounted in axle block housings on each side of each wheel. Each load cell features a three-point mounting system on a top side and a bisected load application pad on a lower side. A load-concentration member bears against the load application pad. Each load cell and each load concentration member is constructed to be fitted into a relatively protected region between a top of an axle block and a top of an axle block housing within the structure of a transfer car.

Abstract: In a force-transmitting device of a force-measuring cell with a parallel-guiding mechanism in which a stationary parallelogram leg and a movably guided parallelogram leg are connected to each other by parallelogram guides, each of the parallelogram legs has a fastening part with at least two fastening portions. The fastening portions have fastening pads with tapped holes running perpendicular to the fastening pad surfaces, so that a load carrier can be bolted to the force-transmitting device and/or the device can be fastened to a housing. The parallelogram legs have slot-shaped incisions that serve to uncouple the fastening portions from the rest of the parallelogram leg, so as to prevent the propagation of assembly stresses from the fastening portions into the working parts of the force-measuring cell.

Abstract: An under-pillow bearing (UPB) load cell for controlling tension in the winding process for a continuous web of material. The load cell has a deflection and sensor assembly that is quickly and easily removable from the load cell for maintenance and repair. The deflection and sensor assembly includes a load beam that is insertable into the load cell. In one embodiment, a pluggable sensor insert may be inserted into or removed from the load beam, without removing any of the fasteners that mount the load cell to the machine support.

Abstract: A weighing apparatus for measuring a weight of an article including a Roberval mechanisms; a first load converting unit including a load receiving portion operationally coupled with a load receiving portion of the Roberval mechanism and a plurality of levers connected in series, a second load converting unit formed by a second Roberval mechanism whose load receiving portion is operationally coupled with the last lever of said first load converting unit, and a load sensor unit including a load receiving portion operationally coupled with the load receiving portion of the second load converting section and a load sensor coupled with said load receiving portion of the load sensor unit, wherein the load applied to said load receiving portion of the Roberval mechanism is enlarged or reduced by the levers of the second load converting section and a thus enlarged or reduced load is applied to the load sensor.

Abstract: 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 converts an output of a Wheatstone bridge circuit formed of the respective strain gauges into a weight value to display. Two weight receptacles are attached to the strain member. It is arranged such that when a load is applied to one of the load receptacles, a strain at a portion of the strain member provided with the strain gauges becomes smaller than that when the load is applied to the other of the load receptacles.

Abstract: The invention relates to a strain-sensitive resistor, comprising a resistance layer arranged on a support element and an electromechanical transducer produced with this resistor. An increase in the electrical measured signal picked off across the resistor is achieved in a simple way by the support element (1) having a recess (7) on its surface (9) which, when the support element (1) is subjected to mechanical stress in at least one area of the surface (9) of the support element (1) in which the resistance layer (4) is positioned, produces a ratio between the two main strain directions (L, T) of the resistance layer (4) which differs in magnitude.

Abstract: A load sensor hardly causing error in weight measurement even when the environmental temperature of the load sensor varies, and a seat weight measuring apparatus using the load sensor. The sensor includes a plurality of strain gauges form a bridge circuit. The strain gauges forming the bridge circuit are attached to the front and back surfaces of a base plate at substantially the same location. Portions of a flexible substrate, on which the strain gauges are formed, are folded and adhered to the back of the sensor plate with adhesive. The bridge circuit formed by the strain gauges compensates for the variation in resistance among the strain gauges generated due to the temperature distribution of the base plate, resulting in little or no variation in output.

Abstract: A patient support including a mattress, a load cell apparatus, and a frame having an intermediate frame and a weigh frame. The load cell apparatus is positioned relative to the intermediate frame and the weigh frame. The load cell apparatus includes a load cell, a mount, and a liner.

Abstract: Automotive load cells having centralized, multi-axis, loose tolerance overload/limit stops provide improved strain gauge response. The modular, integrated stop assemblies magnify sensor substrate deflection by use of opposed concave (Belleville) springs are used in direct contact with the substrate to accommodate ±Z axis deflection and Mx/My moment angular rotation. A flanged guide member on the load stud permits a wide range of geometries. The substrate is thickened around the load stud hole and the outboard support bolt holes. Hollow rivets assist in design modularity. Strain gauges are placed at the yield zones symmetrically with respect to the X axis. The substrate hole Mx/My gap is larger than the stop bracket hole to insure a positive stop for Mx/My moments prior to yield. The inventive multi-axis stop assembly is used in any type load cell, including rectangular, thinned, notched, necked/dogbone, or cantilever substrates with any strain gauge layout configuration.

Abstract: A weighing sensor including a base (1) fixed to a housing, a load sensor (2) connected to the base in a displaceable manner via two arms (3, 4), a lever system (8 . . . 11) having at least one lever and transmitting the load acting on the load sensor to a transducer (12, 13), and a built-in calibration weight (40) which may be lowered onto a support region (30/38) for checking and/or calibrating the sensitivity of the weighing sensor. The support region is guided in a parallel manner by two additional arms (21, 22) and is connected to a lever (9/39) of the lever system (8 . . . 11) via a coupling element (26). Relatively large loads on the weighing sensor may be simulated with relatively small calibration weights, without the need for complicated lifting devices. The two additional arms (21, 22) are connected on the one hand to the support region (30/38) and on the other hand to the load sensor (2) and are located on the side of the load sensor (2) opposite from the lever system (8 . . . 11).

Abstract: The proof body for a weighing apparatus is comprised of a profiled segment and it includes a measuring beam (9) joined at each one of its ends to a respective wing (10a, 10b) which extend substantially perpendicularly to the measuring beam (9) and of which the free side faces (11a, 11b) provide abutment faces. It further includes an abutment beam (13) which is parallel to the measuring beam (9) and which is connected thereto via two ribs (14), this abutment beam (13) being also connected to each one of the wings (10a, 10b) by a web (15) which is substantially parallel to the measuring beam (9). Under such circumstances, a strain gauge (18) affixed beneath the measuring beam (9) is subjected only to contraction strains when a force is applied beneath the abutment beam (13).

Abstract: The invention relates to a weighing device comprising a rigid platform (10) which is intended to receive the weight to be measured, a fixed support area (20) and at least one weight sensor (30). One of the ends (60) of said sensor is embedded in the platform (10) while the opposite end (70) thereof is embedded in the fixed support area (20). The weight sensor (30) supports strain gauges (R1, Ri) and comprises a bar that can be deformed, mainly by means of flexion (40) under the effect of the weight applied to said platform. According to the invention, at least one of the embedded ends (60) of the weight sensor (30) is provided with a surface (S) that is intended to be directly fixed by means of adhesion to the rigid platform (10) or to the fixed support area (20).

Abstract: A force transducer for sensing the weight introduced into the mounting of a motor vehicle seat is disclosed. The force transducer includes a force introduction element that is connected to the motor vehicle seat, a force transfer element that is connected to the mounting, and an extension member that is arranged between the force introduction element and the force transfer element. The force transducer makes it possible to accurately determine the weight introduced into the mounting of the motor vehicle seat independently of other influencing forces by the fact that the force introduction element or the force transfer element surrounds the extension member in a plane that extends parallel to the effective direction of the weight, and that at least one wire strain gauge for sensing a shearing force parallel to the weight is arranged on the extension member.

Abstract: The hermetically sealed measuring sensor includes a monolithic proof body having at its ends a first and a second non-deformable parts connected together by a central part designed as a deformable parallelogram. This central part has two through openings defining between them a main beam of which at least one end is joined via a connecting section to a measuring beam which performs one piece with a non-deformable part of the proof body, but is uncoupled mechanically there from. At least one of the non-deformable parts has at least one cavity of which one wall is formed by the measuring beam and by two membranes situated one on each side of this measuring beam. Strain gauges are fixed inside the cavity on the back of the measuring beam and the cavity is closed by a cover which is welded, bonded, or fixed tightly to the corresponding non-deformable part.

Abstract: A load cell includes a strain gage on a narrow sensing section of a beam element, on a planar outer surface facing outwardly from the median plane extending longitudinally through the cell. A cup-shaped seal cap enclosing the strain gage is laser welded onto the outer surface of the beam element to form a hermetic seal. A wiring tunnel in the load cell body leads from inside the seal cap into an electronics cavity for wires to pass from the strain gage to electronic circuitry. The load cell body and seal caps, made of stainless steel or titanium, are hermetically sealed for use in harsh environments. The seal caps have a minimal influence on strain in the sensing sections. The load cell has a low-end capacity of 5 kg or less.

Abstract: Protruding part of a mechanism body is connected to a base frame by screws, and other protruding part is connected to an auxiliary connecting metal fittings by the screws. A machining necessary for connecting is conducted on the protruding portions, the widths of which are wide. Therefore, a sufficiently long distance can be obtained by the protruding portions. As a result, the Roberval's parts 4, 5 are not affected by stress strain, which is caused in the process of connecting, even if a size of an electronic balance in a longitudinal direction is not extended. Accordingly, it is possible to realize the compact electronic balance of high performance in which an accurate measurement can be made even if a load is given to a balance pan being biased.

Abstract: A device and method for weighing eggs. The egg weighing apparatus includes a movable stem that supports an egg weighing platform. The stem is attached to a measuring device that is electronically and mechanically driven for precise measurement of an egg. The present invention uses a damper or alternatively, uses a tuned dynamic vibration absorber to yield precise measurement of an egg.

Abstract: A load sensor hardly causing error in weight measurement even when the environmental temperature of the load sensor varies, and a seat weight measuring apparatus using the load sensor. The sensor includes a plurality of strain gauges form a bridge circuit. The strain gauges forming the bridge circuit are attached to the front and back surfaces of a base plate at substantially the same location. Portions of a flexible substrate, on which the strain gauges are formed, are folded and adhered to the back of the sensor plate with adhesive. The bridge circuit formed by the strain gauges compensates for the variation in resistance among the strain gauges generated due to the temperature distribution of the base plate, resulting in little or no variation in output.

Abstract: An apparatus and method of measuring the mass of a test specimen located in a microgravity environment. The test specimen is attached to the free end of a cantilevered spring for joint vibration. The natural frequency of vibration of the spring and specimen are measured. The spring constant is calculated and compared with known masses having the same frequency and spring constant. When a match is found, the mass of the test specimen is known.

Abstract: A Roberval's mechanism and a lever are configured separately. To the Roberval's mechanism, a lever housing section is formed for inserting the lever in the longitudinal direction and enabling the lever to be located between a pair of the upper and the lower Roberval's sections. To the other end of the lever, a section extending outwards beyond the lever housing section is equipped. A balance driving portion are mounted to the section equipped to the other end of the lever and extending outwards. The lever block is situated to extend through a hollowed out section of the fixed end of the Roberval load block. During manufacture, the lever is formed from a separate piece that has temporary bridges formed to maintain the fixed section and the mobile sections relatively immobile so that the spring sections are protected during assembly. After the lever is connected to the Roberval mechanism, the bridges are cut.

Abstract: A load cell and system for detecting the quantity of liquid carbon dioxide in a tank includes load cells positioned between the legs of the tank and a surface. Each load cell includes a frame constructed from a folded metal plate so that a top panel, sides and ends are formed. A beam having proximal and distal ends is suspended from the top panel of the frame by its proximal end and a spacer. A platform support is positioned upon the distal end of the beam with a platform on top. The platform support passes through an opening formed in the top panel of the frame so that the platform is supported above the frame top panel. A leg of the tank is secured to the platform. A strain gauge circuit is mounted to the top surface of the beam and a summary board receives the signals from the strain gauge circuits of multiple load cells so that the quantity of liquid in the tank is determined. This quantity may be displayed and/or transmitted as telemetry to a centralized delivery truck dispatching facility.

Abstract: A seated passenger's weight detection device includes a seat vertical position adjusting means having a front link and a rear link, a weight detection sensor for detecting a weight of a seated passenger on the basis of an input from the front link and an input from the rear link and a backward and forward input cancel means for canceling backward and forward inputs which operate to the front link and the rear link.

Abstract: A load cell apparatus for use with a structure comprises a cell block that flexes in response to an applied load and a transducer that is adapted to measure a distance across a gap. In some embodiments, the gap is defined between the transducer and the structure, and in other embodiments, the gap is defined between the transducer and the cell block.

Abstract: A sensor assembly is used to measure the weight of an occupant seated on a vehicle seat. The sensor assembly is integrated into a bracket that is mounted between a seat structure such as a track assembly and a vehicle structure such as floor or riser. One bracket is mounted on an inboard side of the seat and a second bracket is mounted on an outboard side of the seat. Each bracket includes opposing end mounts that are mounted to the vehicle structure. Between the opposing ends, each bracket includes a pair of deflectable portions that define a mount interface for attachment to the seat structure. A central body extends between the deflectable portions to form unitary bracket member that includes the end mounts, the deflectable portions and the central body. A strain gage is mounted on each deflectable portion to measure the weight of the seat occupant.

Abstract: A load cell includes a first element, a second element and a sensor measuring force between the first and second elements along a first axis. In some embodiments, lateral and angular decoupling is provided by the provision of a convex surface between the first and second elements. The convex surface is slidable relative to at least one of the first and second elements in a first direction perpendicular to the first axis.

Abstract: The electronic load cell is for measuring force using a force sensor within and has reduced susceptibility to shock or impact in the direction of its measurement vector. The load cell device includes a load cell structure formed of a suitable solid and including vertically spaced apart, generally parallel horizontal elements integrally formed with longitudinally spaced apart, generally parallel vertical elements with flexible members. Flexures interconnect each horizontal element with the vertical elements. A force sensor is connected between the horizontal element connecting the two flexures on the first side of the parallelogram and a spring connected to the second parallel member.

Abstract: An electronic balance is provided in which influences due to a four-corner error can be eliminated from an indicated value of weighing without strictly conducting mechanical adjustment, so that correct indication can be always performed. As means for attaining the object, a dish support 2 interposed between a weighing dish 3 and a load detecting mechanism 1 is configured by four cantilever beams 2a to 2d which respectively elongate in four directions, the weighing dish 3 is supported by the vicinities of tip ends of the cantilever beams 2a to 2d, and deflection amount detecting means 5a to 5d for respectively detecting deflection amounts of the cantilever beams 2a to 2d are disposed. The position of the center of gravity of a load on the weighing dish 3 is calculated by using outputs of the deflection amount detecting means 5a to 5d.

Abstract: The proof body for a weighing apparatus is comprised of a profiled segment and it includes a measuring beam (9) joined at each one of its ends to a respective wing (10a, 10b) which extend substantially perpendicularly to the measuring beam (9) and of which the free side faces (11a, 11b) provide abutment faces. It further includes an abutment beam (13) which is parallel to the measuring beam (9) and which is connected thereto via two ribs (14), this abutment beam (13) being also connected to each one of the wings (10a, 10b) by a web (15) which is substantially parallel to the measuring beam (9). Under such circumstances, a strain gauge (18) affixed beneath the measuring beam (9) is subjected only to contraction strains when a force is applied beneath the abutment beam (13).

Abstract: A force sensing module with reduced sensitivity to torque in order to accurately measure weight in the presence of longitudinal and lateral torques, comprising two or more sensing means mounted vertically with output signal means combined and adjustable to minimize longitudinal torque response. The force sensing module further comprises a vertical support for lifting and supporting a load, a support arm coupled to the vertical support for engaging and holding a load, first and second sets of strain gauges, spaced from each other and either in vertical or horizontal alignment with each other. The strain gauges are connected at one end to the vertical support and at the other end to the arm for receiving a force proportional to the load and for receiving a torque from the arm.

Abstract: An apparatus (210) includes seat belt webbing (12), a parallelogram linkage (220), a sensor lever (370), and a sensor (379). The seat belt webbing (12) helps to protect the occupant (14) of the vehicle (18). The parallelogram linkage (220) includes a first beam (352) and a second beam (362) parallel to the first beam (352). The first and second beams (352, 362) each bend in response to at least part of a load applied by the seat belt webbing (12). The sensor lever (370) is interposed between the first and second beams (352). The sensor lever (370) has a connection with the first and second beams (352). The connection causes the sensor lever (370) to deflect upon bending of the first and second beams (352). The sensor (379) senses the deflection of the sensor lever (370) and provides an output signal indicative of the amount bending of the first and second beams (352, 362).

Abstract: The hermetically sealed measuring sensor includes a monolithic proof body (1) having at its ends a first (2) and a second (3) non-deformable parts connected together by a central part designed as a deformable parallelogram. This central part of the proof body (1) has two through openings (6, 7) defining between them a main beam (10) of which at least one end is joined via a connecting section (13) to a measuring beam (12) which forms one piece with a non-deformable part (2, 3) of the proof body, but is uncoupled mechanically from the same. At least one of the non-deformable parts (2, 3) of the proof body has at least one cavity (4, 4′, 22) of which one wall is formed by the measuring beam (12) and by two membranes (15) situated one on each side of this measuring beam (12).

Abstract: Automotive load cells having centralized, multi-axis, loose tolerance overload/limit stops provide improved strain gauge response. The modular, integrated stop assemblies magnify sensor substrate deflection by use of opposed concave (Belleville) springs are used in direct contact with the substrate to accommodate ±Z axis deflection and Mx/My moment angular rotation. A flanged guide member on the load stud permits a wide range of geometries. The substrate is thickened around the load stud hole and the outboard support bolt holes. Hollow rivets assist in design modularity. Strain gauges are placed at the yield zones symmetrically with respect to the X axis. The substrate hole Mx/My gap is larger than the stop bracket hole to insure a positive stop for Mx/My moments prior to yield. The inventive multi-axis stop assembly is used in any type load cell, including rectangular, thinned, notched, necked/dogbone, or cantilever substrates with any strain gauge layout configuration.

Abstract: By using a second Roberval mechanism having beams orthogonal to beams of a first Roberval mechanism for supporting a weighing dish by a movable pillar and integrating a movable pillar of the second Roberval mechanism with a movable pillar of the first Roberval mechanism, longitudinal and crosswise one-sided loads are shouldered by first and second Roberval mechanisms and. Furthermore, by forming flexible portions flexible for one-sided loads (right and left one-sided loads) about the axis of the first Roberval mechanism on the first Roberval mechanism, torsions due to one-sided loads in the crosswise directions are prevented and influences of the torsions can be reduced. Moreover, by forming flexible portions flexible for a longitudinal one-sided load on the second Roberval mechanism, a torsion due to the longitudinal one-sided load is prevented and influences of the torsion can be reduced.

Abstract: A low cost strain gage load cell made without compromising accuracy and stability by a composite structure using a sensing element formed of a load cell quality material, such as metal or a metal alloy, and adjoining non-sensing elements formed of a molded plastic material. Stable and secure joints between the load cell sensing element and the plastic non-sensing element of such a load cell are provided using various structures and related structural manufacturing methods. For example, non-sensing elements, such as a mounting block to mount the load cell to a base support and a load application block to receive a load platform, are formed of an injection molded plastic and sensing elements, such as first and second parallel beams of a load cell quality metal alloy, have ends embedded in the injected molded plastic non-sensing elements. The composite load cell structure is applicable to many different types of load cell designs.

Abstract: Protruding part of a mechanism body is connected to a base frame by screws, and other protruding part is connected to an auxiliary connecting metal fittings by the screws. A machining necessary for connecting is conducted on the protruding portions, the widths of which are wide. Therefore, a sufficiently long distance can be obtained by the protruding portions. As a result, the Roberval's parts 4, 5 are not affected by stress strain, which is caused in the process of connecting, even if a size of an electronic balance in a longitudinal direction is not extended. Accordingly, it is possible to realize the compact electronic balance of high performance in which an accurate measurement can be made even if a load is given to a balance pan being biased.

Abstract: A precision double bending beam load cell made at low cost by using load cell quality material in the bending beams only, while less costly material is used for end blocks to maintain the beams in a predetermined parallel relationship and to mount the load cell, provided that the joints between the beams and the end blocks are slip free. Slip free joints can be obtained by making the end blocks in the form of rods with necks press fitted into matching holes at the ends of the beams, or by laser welding or hard soldering metal end blocks to metal bending beams. Plastic end blocks can also be injected molded onto the ends of bending beams with holes and scalloped edges for the injection molded plastic to grip onto. Shrinkage or expansion of the plastic material during the curing process will then make the joints prestressed and slip free.

Abstract: A load cell apparatus for use with a structure comprises a cell block that flexes in response to an applied load and a transducer that is adapted to measure a distance across a gap. In some embodiments, the gap is defined between the transducer and the structure, and in other embodiments, the gap is defined between the transducer and the cell block.

Abstract: A weighing scale includes an integral block member having a load receiving portion for receiving a load of a scaled object; a fixing portion for fixing the integral block; and a Roberval portion having recessed portions between the load receiving portion and the fixing portion. The scale also includes a load transmitting beam; a member for transmitting displacement of the load transmitting beam and the load receiving portion to the load transmitting beam and for becoming a force point of the load transmitting beam; a fulcrum member of the load transmitting beam; and a fulcrum member attachment portion being formed on the integral block so that the fulcrum of the of the load transmitting beam is positioned in a space thereby constituting the weighing scale. The member for transmitting displacement of the load transmitting beam and fulcrum member of the load transmitting beam are formed separately from the integral block member. An integral block member may include a working guide recess.

Abstract: The electronic load cell is for measuring force using a force sensor within and has reduced susceptibility to shock or impact in the direction of its measurement vector. The load cell device includes a load cell structure formed of a suitable solid and including vertically spaced apart, generally parallel horizontal elements integrally formed with longitudinally spaced apart, generally parallel vertical elements with flexible members. Flexures interconnect each horizontal element with the vertical elements. A force sensor is connected between the horizontal element connecting the two flexures on the first side of the parallelogram and a spring connected to the second parallel member.

Abstract: A load-sensing element is formed from a block of substantially rectangular cross section which is braced on a first end and which is adapted to receive a load to be measured on a second end. The block is pierced by an opening which is shaped such that at least two joints are created on each of a top side of the block and an underside of the block. The two joints on one of the top side and lower side of the block are offset from one another so as to compensate for a force eccentricity which occurs upon non-central introduction of the load to be measured. And a single strain gauge is disposed on the block in a vicinity of one of the offset joints.