Force and torque converter
Patent 4811608 Issued on March 14, 1989. Estimated Expiration Date: 
November 6, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 6, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3628394 3921445 Force and bending moment sensing arrangement and structure Apparatus for simultaneous measurement of mutually perpendicular forces and moments Multi-axis load transducer Optical joystick controller with intersecting spring means Patent #: 4607159 InventorAssigneeApplicationNo. 06/927915 filed on 11/06/1986US Classes:73/862.043, Three dimensional (e.g., x, y, z axes)73/862.05, Applied to guidance means74/471XYControl moves in two planesExaminersPrimary: Ruehl, Charles A.Attorney, Agent or FirmInternational ClassesB25J 13/02 (20060101)B25J 13/08 (20060101) G01L 5/16 (20060101) G01L 5/22 (20060101) G01L 1/24 (20060101) Foreign Application Priority Data1985-12-18 AUAbstractA force and torque converter provides command signals representative of a translational applied force and an applied torque extending about an axis substantially perpendicular to the axis along which the translational force is applied. The apparatus comprises of body to which the force and torque are applied, first and second connecting means attached to the body, means for biasing the connecting means to a central position and sensor means comprising two sensor devices arranged to detect a displacement force in each of the first and second connecting means respectively and which respond to the applied translation force and also respond to the torque to resolve the torque into a force comprising two components. A very important embodiment of the invention is arranged to operate in three dimensions and to resolve any applied torque into a respective components related to three mutually perpendicular axes. The apparatus can thus interpret operator applied hand signals for controlling an apparatus such as a computer based system.Other References
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