...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7351025 | Aggregate handling system An aggregate handling system includes an aggregate delivery station, which includes one or more delivery bays for receiving aggregate from a delivery truck. The system includes storage apparatus associated with each delivery bay and adapted to receive aggregate by g... | 04/01/2008 |
| 7339123 | Electronic 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 |
| 7294793 | Load 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 |
| 7247801 | System and method for fast weighing of items such as mailpieces A system and method for fast weighing of items such as mailpieces. The system includes a scale system having a platform connected to a load cell that provides an output signal to an analog-to-digital converter. The resulting digital output signal is processed by a l... | 07/24/2007 |
| 7241955 | Method and apparatus for weighing divided portions An apparatus and method for automatically weighing portions of semi-solid matter using a weigh station having a rotating receptacle which receives the portion so that an accurate weight indication of the portion can be taken, and propels the portion from the weigh s... | 07/10/2007 |
| 7214893 | Load cell system A load cell system for stationary or moving equipment is disclosed, wherein undesirable bending, shear, and torsion loads are minimized and an accuracy of the load cell system is maximized. ... | 05/08/2007 |
| 7180016 | Weight 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 |
| 7151232 | Weighing scale with level compensating foot assembly A foot assembly for a weighing scale comprises a base, a ring arranged in coaxial spaced relation to the base; and a plurality of deformable compensation beams projecting outwardly from a portion of the base so as to support the ring. ... | 12/19/2006 |
| 7129423 | Automatic livestock weighing system A system for weighing a plurality of quadruped animals is for use in a pen confining the animals. The pen has at least first and second segregated spaces with a first one-way chute allowing animal passage from the second space to the first space. A weighing station ... | 10/31/2006 |
| 7119287 | Platform scale with under-platform mounted load cell protection cases for reducing side forces A tine mounted weighing scale apparatus includes a pair of weighing scale units, each scale unit having a base mountable on one tine of a lifting device. The base has a predetermined number of load cell mounts each providing a deflection gap between a load cell and ... | 10/10/2006 |
| 7100458 | Flexure system for strain-based instruments A device for measuring forces on a sensor body, comprising a beam. An array comprising at least one recess is formed in the beam. The array has a length-to-height ration of less than 1.0. At least one strain transducer is mounted in at least one recess, wherein when... | 09/05/2006 |
| 7094976 | Vehicle weight measuring structure and vehicle weight measuring apparatus using the same Disclosed is a vehicle weight measuring structure. The structure comprises a base plate; a plurality of support elements placed on the base plate, each support element having a pair of legs which project downward and are separated from each other by a predetermined ... | 08/22/2006 |
| 7045721 | Lifting device for use with drum weighing machine Apparatus, system and methods useful for lifting a drum to enable the drum and its contents to be accurately weighed includes a drum weighing platform engageable with the drum, at least two guide rods. The guide rods are movable upwardly in unison to move the drum w... | 05/16/2006 |
| 7005587 | Load cell including angular and lateral decoupling 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... | 02/28/2006 |
| 6997278 | Torque-based occupant weight estimation apparatus for a vehicle seat A torque-based occupant weight estimation apparatus for a vehicle seat includes front and rear torsion bars through which the seat frame is coupled to a set of floor brackets. The torsion bars are rotatably mounted on the floor brackets, and linkage arms rigidly cou... | 02/14/2006 |
| 6951988 | Device for weighing an object by lifting which invalidates a weight measurement reading whenever a detected shear force is too great The invention concerns a device comprising an electronic sensor (6) designed to deliver a compression signal and a shearing signal, and a comparator for comparing the shearing signal to a threshold value, so as to validate, or invalidate, the compression sign... | 10/04/2005 |
| 6947912 | Method and arrangement for controlling a dynamic scale In a method and arrangement for controlling a dynamic scale, the conveying speed of a conveyor belt for items of mail in the dynamic operating mode is independent of the format of the pieces of mail. During dynamic weighing, a controller of the scale deactivates the... | 09/20/2005 |
| 6940417 | Wrench with tension meters A wrench with tension meters comprises a handle; two ends of the handles installed clamping portions for receiving respective screwing elements; a center of the handle of the conductor having a first groove; two ends of the first groove near clamping portions being ... | 09/06/2005 |
| 6936776 | Weighing scale with level compensating foot assembly A foot assembly for a weighing scale comprises a base, a ring arranged in coaxial spaced relation to the base; and a plurality of deformable compensation beams projecting outwardly from a portion of the base so as to support the ring. ... | 08/30/2005 |
| 6919516 | RF multiple load cell scale Load cells forming one or more weighing scales are connected to each other and to a common concentrator which communicates to a master controller in the control house via RF wireless communication. The load cells are polled by and provide weight reading to concentra... | 07/19/2005 |
| 6822172 | Combined vehicle scale through the use of lateral connections The current invention involves a method and device of combining vehicle scales platforms to eliminate potential checking interferences. Disclosed is a novel method of combining independent scale platforms enabling independent weighing on each platform and at the sam... | 11/23/2004 |
| 6706976 | Portable platform scale A modular portable platform scale system includes at least one portable scale platform, and more preferably two side-by-side platforms, detachably connected to and vertically supported by a pair of movable forward and rear ramps. A coupling can be used to connect an... | 03/16/2004 |
| 6552278 | Multiple load sensing multi-load cell scale and method The multiple load sensing multi-load cell scale is described that provides improved utility to scales with multiple decks that share load cells near supports so that more than one load may be determined at the same time on a single scale. In more detail, ... | 04/22/2003 |
| 6521847 | Tipping balance scale for weighing moving objects A scale is disclosed for weighing moving loads. The scale includes a weighing platform having entrance and exit ends. The platform is connected to a tipping member mounted to pivot about a fulcrum. A weighing device is operatively connected to the fulcrum... | 02/18/2003 |
| 6177639 | Swing and roll load cell mount for a weigh scale A swing and roll load cell mount for a weigh scale is provided, including a weigh bridge, a saddle mounted to the weigh bridge, the saddle having an upper surface adapted for attachment to the weigh bridge, and having a pair of downwardly extending arms h... | 01/23/2001 |
| 6046412 | Heavy duty weigh scale A heavy duty weigh scale including a rectangular weighing platform constructed of parallel and spaced apart I-beams, which platform is carried above ground with at least one stand supporting an I-beam of the platform. The stand having a pair of spaced apa... | 04/04/2000 |
| 5959259 | System and method for accurately weighing and characterizing moving vehicles This system and method of operation weighs and characterizes a moving vehicle traveling on a roadway. The moving vehicle travels across a weight transducer and first and second switching devices. The transducer provides a first set of output signals indic... | 09/28/1999 |
| 5894112 | Weighing scale apparatus A low profile weighing scale for weighing and balancing aircraft and land vehicles. The electronic, strong, lightweight, economical and portable scale provides accurate and reliable results. The scale comprises: (a) a quadrilateral base having two sides a... | 04/13/1999 |
| 5773766 | Axle load scale An axle load scale with a load signal generation portion having a platform receiving an axle load of a vehicle running for generating a load signal according to the received axle load. The platform being a given size in a running direction of the vehicle ... | 06/30/1998 |
| 5747746 | Restraint system for weight scales A securing system is provided for securing a central, load-supporting, movable platform to a fixed peripheral framework base of a weigh scale, in a torque arm mounting for weigh scales. The securing system includes at least one securing element disposed b... | 05/05/1998 |
| 5719356 | Stable torque arm mounting for weigh scale An improvement is provided in the mounting means for a weigh scale including a fixed peripheral frame base structure (the "base"), a central, movable, load-supporting platform (the "platform"), and interconnections between the platform with the base to al... | 02/17/1998 |
| 5637837 | Platform lifting and lowering mechanism for weighing apparatus A weighing apparatus with pneumatic cylinder and piston assemblies for lifting a hinged platform includes a self-deploying mechanism to secure the platform in the raised position, a mechanism for remotely repositioning the self-deploying securing mechanis... | 06/10/1997 |
| 5449864 | Motor vehicle screening apparatus and method Vehicles are screened by weight for the presence of concealed explosive material, weapons, contraband and/or personnel by retrieving weight values for vehicles and categories of occupants and contents based on operator input and subtracting those values, ... | 09/12/1995 |
| 5446248 | Center-lock portable truck scale A center-lock portable truck scale has an end positioning post (4) between sides at ends of a truck scale and a central positioning post (8) positioned centrally in truck-scale sections. Positioning rods (5 and 9), preferably bolts, form positioning bumpe... | 08/29/1995 |
| 5359153 | Portable, clean-in-place industrial floor scale This invention is directed to a clean-in-place, industrial floor scale having a removable deck and a weighing capacity up to about 5,000 pounds. The removable deck is fabricated from a nonmetallic material such as a polyethylene or polypropylene sheet, or... | 10/25/1994 |
| 5096006 | Apparatus for storing chlorine gas Apparatus for storing chlorine gas in a containment vessel disposed underground is provided. The gas is stored in a conventional cylinder which is lifted into and out of the vessel by a rack having a bail at top for lifting the rack. A scale is mounted in... | 03/17/1992 |
| 5002141 | Vehicle weighing in motion apparatus and method A weighing in motion (WIM) apparatus and method in which scale platforms are provided exhibiting a high rigidity selected to achieve a relatively high natural frequency response characteristic. These platforms are combined with instrumentation wherein loa... | 03/26/1991 |
| 4979581 | Low profile wheel scale assembly Wheel scale assemblies and load cell structures are provided for weighing loads. The invention provides a low profile portable wheel scale assembly of a predetermined height. The scale assembly has a thin lightweight base structure and a cooperating load ... | 12/25/1990 |
| 4957178 | Weigh-in-motion scale Apparatus for weighing vehicles in motion includes a base to be anchored to a roadbed below ground level in the path of moving vehicles and a pair of scale platforms mounted on the base for receiving the wheels on the opposite sides of the moving vehicles... | 09/18/1990 |
| 4955441 | Load cell mounting for rotational control Load cells incorporating rocker pin configured columnar central structures within a weighing system have the attribute of self-erecting upon being displaced from a vertical orientation due to dynamic transverse loading effects, as may be occasioned by veh... | 09/11/1990 |