Class 177/189 - Load holder

Subclass of Class 177 - Weighing scales
Definition: Apparatus mounted for cooperation with the load holder.
No. of patents: 39
Last issue date: 05/20/2008

Number	Title	Issue Date
7373846	Load cell attachment structure This load cell attachment structure includes a male screw which is formed on a load sensing part of the load cell, a nut which attaches the load cell to the attachment plate by engaging with the male screw, and a wave washer which is disposed between the attachment ...	05/20/2008
7009119	Weight scale control system and pad The present invention is directed to a weight scale having a control system that prompts users for their identity and then displays any one or more of: present weight, past weights, target weights and/or the differences therebetween, as well as a graphical represent...	03/07/2006
6998543	Folding platter for postal weighing scale A platter for a weighing scale includes a base and a plurality of legs which extend downwardly from the base. The platter also includes at least one hinged member mounted on the base and movable between a horizontal position and an unfolded position in which the hin...	02/14/2006
6916999	Weighing pan with a means to protect the weighing object A weighing pan for a comparator balance has a surface coated with a polymer lacquer. The coated surface is distinguished by a moderate hardness and increased levels of sliding friction and adhesive friction. By adding anti-static agents, the surface coating can be m...	07/12/2005
6441321	Method for controlling weight of divided portions An apparatus and method for continuously producing constant weight portions of semi-solid matter, such as bread dough, from a large mass through a dividing mechanism whereby variations in the weight of each portion are minimized by providing a signal prop...	08/27/2002
6080937	Method and device for weighing and labeling packages of goods A method and an apparatus for weighing and labeling packages of goods are provided. Each package is supplied to an electronic scale that is connected to an electronic analyzer that contains a computer. The load carrying mechanism of the scale is embodied ...	06/27/2000
5856637	Weighing scale for moving loads A weighing system for material suspended from a rail or trolley. The system includes a transition track between the regular track and the weighing track to avoid oscillation of pressure on the weighing track which causes difficulty in rapidly arriving at ...	01/05/1999
5780780	Weighing vibratory apparatus and method A weighing vibratory apparatus and method. In one embodiment, an infeed vibratory conveyor element feeds a bulk product to a weighing vibratory conveyor element. In another embodiment, bulk product is fed directly to a weighing vibratory conveyor element ...	07/14/1998
5721398	Overload protection device for a precision balance An overload protection device for a precision balance includes a measuring cell having a short travel distance, a parallel guide unit connected to a load receiving unit, and an auxiliary parallel guide unit whose guide members are connected to the load re...	02/24/1998
5604334	Precision balance A precision balance of the type having a short-stroke measuring system includes a load receptor connected to the measuring system by means of a hanger. The load receptor has the shape of a yoke and extends around the hanger. The yoke-shaped load receptor ...	02/18/1997
5521334	Multiple overload protection for electronic scales An electronic scale is disclosed which has multiple overload protection features for protecting the load cell and a weight distribution plate from excessive strain due to vertical overload on the scale or from twisting resulting from an article being plac...	05/28/1996
5488203	Force compensator for inertial mass measurement instrument In an inertial mass measurement instrument, an active force compensator compensates for inertial forces transmitted by an oscillating elastic element to a primary support of the instrument. The compensator applies equal and opposite compensating forces to...	01/30/1996
5434367	Merchandise damper and protector for weighing scales What is disclosed is a merchandise damping and protecting cover for the platforms of weighing scales. In some embodiments of my invention the scale platform cover includes a core comprised of one or more bodies of resilient foam material, contained in a r...	07/18/1995
5232061	Vibration attenuating device for a weighing scale A vibration attenuation device serves to damp in a two-stage manner with a non-linear spring characteristic a pair of relatively movable components, such as the weighing pan and the weighing pan carrier of a scale. First and second stage resilient compres...	08/03/1993
5195599	Merchandise damper and protector for weighing scales What is disclosed is a merchandise damping and protecting cover for the platforms of weighing scales. In some embodiments of my invention the scale platform cover includes a core comprised of one or more bodies of resilient foam material, contained in a r...	03/23/1993
5191947	Weighing pan for weighing batches of products and a combination weighing machine equipped with a number of such weighing pans A weighing pan 17 for weighing subportions of products to be packaged batchwise, in particular for use in combination weighing of irregularly shaped and comparatively fragile commodities of fruits and vegetables. The pan has a discharge opening covered by...	03/09/1993
5141064	Liquid damping mechanism employing an adjustable shear plate A damping mechanism is disclosed for use with a displacement measuring device, such as a load cell of the type immersed in a motion damping liquid contained within a housing. The mechanism includes a shear plate adjustably supported by the housing within ...	08/25/1992
4860840	Arrangement in a load-sensing body A load-sensing body for weighing machines and the like, comprising two circular plates (1, 2) and an intermediate space (15) communicating with a pressure-sensing member, an O ring-type seal being arranged between the plate circumferences, and one plate b...	08/29/1989
4802541	Weighing scale with voice coil A weighing scale capable of weighing articles in a rapid and accurate fashion. The tray of the scale is supported by at least one spring and becomes vertically displaced in proportion to the weight of an article placed thereon. A voice coil is used to bia...	02/07/1989
4619337	Electric balance with scale on top In order to reduce the coupling-in of high-frequency electromagnetic interference into the measuring system of electric balances with scale on top and with a metallic balance scale and a metallic housing, a pin (7) which establishes the connection between...	10/28/1986
4574898	Scale having an overload protection means for attaching a platform to a load transducer and for protecting against excessive torsion loads A scale having a base, a single point load cell and a platform is disclosed. The platform is fixed to the load cell at a single point by an overload protection structure which is substantially rigid under normal loads but which collapses under excessive t...	03/11/1986
4570729	High speed transporting and weighing machine with dynamic balance There is disclosed a machine for transporting and weighing or checkweighing articles passing in succession thereon at high speeds, such as for use in conjunction with a rapid article feeding and take-away conveyor system or the like and with weight-signal...	02/18/1986
4566505	Packaging machine A packaging machine useful for packaging fluidized dry, divided, solid material into containers such as valve bags is provided with an isolator section for isolating forces generated in the flow path of the material from a filling and weighing section. Th...	01/28/1986
4526247	Weighing scale transducer A transducer system for a weighing scale having a flexure mode crystal resonator includes a parallelogram linkage for supporting the load platform of the scale, a mounting structure for mounting the crystal resonator between two pivotally connected mounti...	07/02/1985
4513831	Weighing system A weighing system includes a weighing pan connected to a rigid armature by a mechanical filter constraining the armature to motion along a reference axis with respect to a housing and damping out transient forces along this axis resulting from the placeme...	04/30/1985
4496014	Weighing apparatus including overload protection means Weighing apparatus is disclosed of the short-stroke vibratory string type including a housing (3, 5) in which is arranged a load cell device including a stationary member (1) and a vertically movable load receiving member (2), characterized by the provisi...	01/29/1985
4476718	Rain rate meter A rain rate meter for delineating short-term variations in rain rate having a housing which encloses an electronic balance sensitive to approximately 0.01 grams. The top of the housing is open and has a funnel-shaped element located therein for receiving ...	10/16/1984
4440250	Weighing scale having a hydraulic damper intercoupled between the load receiver and the measuring cell A scale has a load receiving member and a force receiving member coupled to the load receiving member by flat springs. The force receiving member transmits the force to be measured to a measuring cell. A hydraulic damper is connected in the force transmis...	04/03/1984
4420053	Fork lift weighing apparatus This invention relates to improved weighing apparatus for fork lifts comprising a weigh bridge supported at each end thereof by load cells. The weigh bridge and load cells are built into the fork so that the overall height of the fork is kept to a minimum...	12/13/1983
4401176	Electronic weigher with a weighing scale located above the weigher casing Electronic weigher apparatus is disclosed which utilizes a plate situated below the weighing scale and above a load receiver which is part of an electronic weight measuring system. The plate is shaped in such a way that thermal air currents generated by t...	08/30/1983
4382479	Weighing system A weighing system includes a weighing pan connected to a rigid armature by a linkage in a manner constraining the armature to motion along a reference axis with respect to the housing. Another linkage couples the armature to a housing. A low friction damp...	05/10/1983
4301880	Device for pneumatic charging container-type balance The pneumatic feeding device for a container balance includes a stationary feeding conduit for the loose material arranged above the container and directed substantially perpendicularly through an adjustable coupling piece into the interior of the contain...	11/24/1981
4278139	Weighing apparatus with overload protection for off-center loading A strain gage load cell scale is provided with overload protection that is external to the load cell and which compensates for off-center loading of the weighing platform. The weighing platform is attached to the load receiving surface of the load cell by...	07/14/1981
4237988	Overload protection device for a top pan precision scale An overload protection device for a top pan precision scale having a weighing pan support and a support plate carried by a load support mounted for limited movement and connected to an indicator, includes a spring engaged between the weighing pan support ...	12/09/1980
4184555	Weighing apparatus A weighing apparatus, particularly a portable apparatus for weighing vehicles, comprising a resilient body formed of an elastomeric material in which is formed a closed cavity containing a liquid, said cavity being connected by a conduit to an indicator f...	01/22/1980
4136750	Top-loading balance A single weighing pan of a top-loading balance is mounted on a vertically movable carrier spindle which transmits the weight of the pan and of a load thereon to an electromechanical transducer. Shock damage to the transducer is prevented by two superposed...	01/30/1979
4100985	Vibration-resistant balance A balance relatively insensitive to vibration of its support has a weighing pan mounted on a pan carrier which is one of the two normally vertical members of a parallelogram linkage, the other members being the stationary balance casing and two links hing...	07/18/1978
4084652	Weighing apparatus The invention concerns a weighing apparatus for weighing in rapid sequence a series of small weights particularly for use in the packaging industry. The apparatus incorporates a float which is resiliently suspended for vertical movement but held against t...	04/18/1978
3973637	Precision balance with resiliently mounted weighing pan A single-pan precision balance in which the forces of gravity acting on the weighing pan and the object to be weighed are transmitted to an electromechanical transducer by an upright spindle is equipped with a star-shaped leaf spring whose center is mount...	08/10/1976

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Class 177/189 - Load holder