Patents Assigned to GageTek Company
  • Torsional sensing load cell
    Patent number: 5925832
    Abstract: A torsional sensing load cell comprises a load sensing member having first and second deflecting portions. Force-receiving areas are defined on upper and lower surfaces of the deflecting portions for bearing a load and its corresponding reactive force. This imposes a torque on the load sensing member which is detected by transducers positioned to detect torsional stress. The transducers are coupled in a bridge circuit and are placed such that the output signal of the circuit is insensitive to the location of an applied load.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: July 20, 1999
    Assignee: GageTek Company
    Inventor: Robert W. Bruns
  • Helical load cell
    Patent number: 5872319
    Abstract: A helical load cell includes a first pair of transducers disposed along a neutral axis of a helical coil. A second pair of transducers is disposed in diametrically opposed relation to the first pair. Sensitivity to side loading is eliminated by "splitting" the second pair of transducers. In another embodiment, each of the transducers in each pair are respectively oriented parallel and perpendicular to a neutral axis of the coil. This configuration provides a measure of torsional forces.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: February 16, 1999
    Assignee: GageTek Company
    Inventors: Robert W. Bruns, Greg E. Schindler
  • Lifting device employing a weight integrative weighing system
    Patent number: 5824963
    Abstract: A lifting device that has a carriage supported by a chain which passes over a sprocket-wheel disposed to rotate about an axis and features a sensing device which allows detecting forces on the chain for a predetermined duration so that the weight of a load supported by the carriage may be determined by calculating an average weight during the duration. To further enhance the accuracy of the measurement, the load cell is designed to accurately measure the load placed thereon independent of the position of the load on the cell.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: October 20, 1998
    Assignee: GageTek Company
    Inventors: Robert W. Bruns, John R. Payne
  • Lifting device employing an equalizer system to reduce weight measurement error
    Patent number: 5783755
    Abstract: A lifting device that has a carriage supported by a chain which passes over a sprocket-wheel disposed to rotate about an axis and features an equalizer system that reduces variations in the measurement, by a load cell, of a load supported by the carriage. To further enhance the accuracy of the measurement, the load cell is designed to accurately measure the load placed thereon independent of the position of the load on the cell. The equalizer system consists of providing the chain and the sprocket-wheel with the dimensions necessary so that each link of the chain subtends a predetermined portion of the sprocket-wheel's circumference.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: July 21, 1998
    Assignee: GageTek Company
    Inventor: Robert W. Bruns