Torsion Bearing Type Patents (Class 177/196)
  • Patent number: 4561511
    Abstract: An electronic scale used for weighing an object or material. The scale includes a platform arranged to move upon receipt of a material thereon. The device further includes frame means, a variable capacitor having a first and a second plate, torsional spring means which is coupled both to the frame means and to the platform means such that movement of the platform means upon receipt of the material thereon causes the torsional means to twist about an axis without incurring non-torsional deformation. This results in one of the plates being displaced relative to the other of the plates to produce an electrical signal indicative of the weight of the material.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: December 31, 1985
    Assignee: Malvern Scale Company
    Inventor: James M. Stuart
  • Patent number: 4005758
    Abstract: A base frame supports a load receiving frame by means of opposed torsion bars and a load cell is situated between the load receiving frame at the base frame. This load cell component which may be mechanical or electrical, indicates the load on the scale and the torsion bars transfer the load from any part of the load receiving frame to the centrally located load cell component. The device can be provided with single or double torsion bars on two or four sides and is readily adapted for weighing animals, trucks, grain and the like.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: February 1, 1977
    Inventor: Berthuld Thomas Johnson