ApplicationNo. 294478 filed on 01/06/1989
US Classes:482/52, Stair climbing198/323, By means responsive to an unsafe operating characteristic of the system482/6, Regulates rate of movement482/901, HAVING COMPUTER CIRCUITRY482/903UTILIZING ELECTROMAGNETIC FORCE RESISTANCE
ExaminersPrimary: Apley, Richard J.
Assistant: Chen, Jose V.
Attorney, Agent or Firm
Foreign Patent References
International ClassA63B 023/06
AbstractAn electromechanical and more particularly an electromagnetic brake is utilized in the control of exercise equipment including escalator type stair-climbing apparatus, in which electronically controllable torque, including a clamping torque, is applied to a rotary shaft to load the exercise equipment, thereby giving complete electronic control to the operation of the exercise apparatus including a safety locking function.