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Class 177/211 - Strain gauge


Subclass of Class 177 - Weighing scales
Definition: Apparatus wherein the strain of a deformable member is measured.
No. of patents: 466
Last issue date: 05/24/2011


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NumberTitleIssue Date
7947912Weighing sensor for an electronic scale and electronic scale
The invention discloses a weighing sensor and an electronic scale provided with the same. The weighing sensor comprises a flat plate formed into helical shape, including successively a load-supporting portion, a strain portion and a bearing portion from the center t...
05/24/2011
7732721Nickel alloy precision force transducer with strain gauge elements
A precision force transducer having a spring element (1) whose load-dependent deflection is converted into an electrical signal by means of strain gauge elements (10). The spring element (1) is made of a precipitation-hardenable nickel-based all...
06/08/2010
7705251Rest element for a lifting platform
The invention relates to a rest element (2, 20) for lifting platforms, which can be arranged between a support element (30) of the lifting platform and a vehicle to be lifted. According to the invention, the rest element (2, 20) can be removed f...
04/27/2010
7683274Force-measurement cell and a connection pin fitted with such a cell
The invention relates to a force-measurement cell for insertion in a bore of a pin, the cell comprising a bushing: having a generally cylindrical tubular wall with an outside surface adapted to extend against an inside surface of t...
03/23/2010
7679009Weighing sensor for an electronic scale and an electronic scale
The invention discloses a weighing sensor and an electronic scale provided with the same. The weighing sensor comprises a flat plate formed into helical shape, including successively a load-supporting portion, a strain portion and a bearing portion from the center t...
03/16/2010
7538281Load cells for use in high precision load measuring system
The present invention relates to a load cell operable with a vehicle having a chassis and a container carried by the chassis, with the load cell supported by the chassis and supporting the container for measuring the weight of the container and any load therein, and...
05/26/2009
7427720Seat-weight sensor support for reducing physical effects
A seat-weight sensor includes a load cell having a load sensor arranged therein and a support for holding a support shaft of the load cell. The support includes a convex portion to hold the support shaft and a pair of flange portions arranged at both sides of the co...
09/23/2008
7402763MIM force measuring device
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 ...
07/22/2008
7371978Thermally insulated weighing module
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...
05/13/2008
7368669Scale that automatically increases the number of displayed digits as the measured weight approaches the target weight
It is possible to rapidly and accurately reach a target value while putting a material to be weighed. In step S1, a target value is set. Putting in of a material is started. Control is passed to step S2 and step S3 and a numerical value A at the...
05/06/2008
7364044Safety device against overturning crane
The present invention provides a safety device against crane overturning which operates in a crawler crane comprising at least four outriggers in a frame, the safety device comprising a load detector 2 that detects a ground reaction to each of the outriggers,...
04/29/2008
7361852Weighing module
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...
04/22/2008
7348501Scale having surface plate that provides sole structural connection of its support members
A scale comprises a pair of elongate support members, each member containing a gauge, which provides an indication of the weight of an item placed across the two members. The members are structurally connected solely via a surface plate adapted to rest on the suppor...
03/25/2008
7342185Compression column load cell with compensation for off center loading errors
Simple and inexpensive electrical compensation for off-axis and off-center loading sensitivity is possible in compression column load cells having a pair of compensation strain gages in series with each of the main strain gages in the load cell. The compensation gag...
03/11/2008
7339122Weighing module having portions arranged within the design space of another weighing module
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 ...
03/04/2008
7339123Electronic scale for measuring weight of person in wheelchair
A wheelchair scale is provided wherein triangular or trapezoidal box-shaped members are used for forming a support base having a truss structure. The box-shaped members are formed in advance by welding, and are then welded together. Since the welding processes can b...
03/04/2008
7328627Seat load detecting device and mounting structure thereof
In a seat load detecting device, sensor bodies are interposed between an upper rail and respective lower brackets. Each sensor body includes an annular strain portion which axial line extends vertically, an outer peripheral holder which is mounted to the upper rail ...
02/12/2008
7325508Dual-axis chain support assembly
A support assembly for a mooring line of a floating vessel comprises a trunnion block which is pivotally supported on the vessel and a stopper block to which the mooring line is releasably secured. One of the trunnion block and the stopper block comprises a convex s...
02/05/2008
7319198Housingless load cell
The invention relates to a housingless load cell whose resistance and measuring accuracy can be improved with respect to environmental influences such that at least the predominant part of the surface (12) and/or the surface (14) has a transversal path...
01/15/2008
7318358Strain sensor that compensates for thermal strain
A strain sensor includes a sensor body extending substantially in a plane. The sensor body is substantially symmetric in the plane about a first axis and a second axis that is perpendicular to the first axis. The sensor body includes a plurality of sensor body porti...
01/15/2008
7294793Load cell mounted with a spring biased saddle element
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 s...
11/13/2007
7279645Multiple conveyor and scale weighing apparatus
The weighing apparatus may have a plurality of conveyor belts, a plurality of physical scales, a plurality of logical scales and a master processor. The master processor may receive weight results from the plurality of physical and logical scales and may determine a...
10/09/2007
7275452Stop assembly for a beam type load cell
A beam load cell transducer is positioned between a stationary member and moveable member. The stationary member, as well as the moveable member are surrounded by a collar, which collar has an inner surface means to limit the movement of the moveable member of the t...
10/02/2007
7252307Tension detecting device
An end portion of a webbing belt is attached to a metal base plate, in which a hole is formed. A projecting portion is formed at an inner edge of the hole which inner edge is at a side opposite a belt attachment portion. When tension is applied to the webbing belt, ...
08/07/2007
7243945Weight measuring systems and methods for vehicles
Weight sensor for determining the weight of an occupant of a seat including a bladder arranged in a seat portion of the seat and including material or structure in an interior thereof which constrains fluid flow therein and one or more transducers for measuring the ...
07/17/2007
7244896Multipoint scale
In a multipoint scale for weighing a load applied to a placement section by a plurality of weight sensor units, the weight sensor unit includes a weight sensor having a strain-sensitive part; a first flexible elastic member for receiving the load applied to the plac...
07/17/2007
7241956Weight measurement system for steel mill transfer cars
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 ...
07/10/2007
7240571On-board scale sensor with mechanical amplification and improved output signal apparatus and method
A system for sensing the load carried in a structural member by attaching a load cell to a neutral axis of bending. Small deflections along an arc of bending create a desirable signal level via mechanical amplification. A load sensor is adapted for mounting on an ax...
07/10/2007
7235746Modular apparatus for electronic scales and a method for assembling same
A modular apparatus for an electronic weighing scale is disclosed having a battery housing, a printed circuit board and a display fastened together and to a base of the scale. The printed circuit board may be adapted to accommodate a number of displays for various s...
06/26/2007
7220924Fastening arrangement of a force-transmitting device
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 fasten...
05/22/2007
7210362Diaphragm type load detection sensor, load detection unit and electronic scale using same
Disclosed is a diaphragm type load detection sensor, comprising: a mounting portion attached to a installation plate; a strain generation portion provided on the mounting portion and having a load applied portion formed at the center thereof to which a load to be de...
05/01/2007
7204010Method of making a load sensor plate
A load sensor plate (100) is adapted for manufacture by stamping spaced apart openings (110) through a thin blank to define flexure beams (112) beside the openings (110); and forming the blank with spaced apart columnar walls (102)...
04/17/2007
7202425Under-pillow-block load cell
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 deflec...
04/10/2007
7194922Modular force-measuring cell for a weighing scale, and weighing scale
A modular force-measuring cell is disclosed which includes a force transducer equipped with sensors that measure changes occurring in the state of the force transducer as a result of a force or temperature. The force-measuring cell also includes a memory module for ...
03/27/2007
7193163Handheld electronic scale with background digital animation on display screen
The hand held scale of the present invention comprises a rectangular casing with a weighing platform, for supporting items to be weighed, a display screen, for displaying the weight of the objects and to view the animation sequences. There are a series of digital an...
03/20/2007
7188535Load cell having strain gauges of arbitrary location
A load cell utilizes a plurality of strain gauges mounted upon the load cell body such that there are six independent load-strain relations. Load is determined by applying the inverse of a load-strain sensitivity matrix to a measured strain vector. The sensitivity m...
03/13/2007
7189931Seat occupant load sensor
An occupant load sensor (10) is fixed to a bracket (48) via a sleeve (60a) of a collar (60) arranged in an outer periphery of a thread (32) of a bolt portion (30), and a bush (62) interposed between the sleeve ...
03/13/2007
7180016Weight sensor accessory
This invention provides a housing (60) for a weight sensor (10). The housing (60) is made from fluid-impervious material and is shaped and configured to completely enclose the weight sensor (10) in a fluid tight manner. The housing (60...
02/20/2007
7176391Load cell to frame interface for hospital bed
A load cell apparatus has a load cell adapted to couple to a first structure. The load cell comprises a load cell body and a sensor. The sensor provides an output signal indicative of an amount of weight applied to the load cell. A stud extends away from the load ce...
02/13/2007
7174778Control device for a motor vehicle
Control device for a motor vehicle, particularly for controlling a gearbox, with an electronic control circuit arranged on a support plate in a housing; for measurement of the hydraulic pressure, a measuring transducer is connected to a hydraulic unit of the gearbox...
02/13/2007
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