Patents by Inventor Julius Fejes

Julius Fejes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotary actuator having integral piston assembly with floating rack
    Patent number: 4683805
    Abstract: A rotary actuator of the rack and pinion type having a two-piece rack and piston assembly. This rack and piston assembly comprises a rack insert and a one-piece piston member, which includes a piston at each end, a connecting strut extending from one piston to the other and means for retaining the rack insert in such manner that the rack is free to float in any direction except longitudinally but is constrained from longitudinal movement.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: August 4, 1987
    Assignee: Flo-Tork, Inc.
    Inventor: Julius Fejes
  • Rotary actuator having cast piston and arcuate rack bearing
    Patent number: 4627331
    Abstract: Rotary actuator of the rack and pinion type. The rotary actuator has a rack with a generally cylindrical outer surface having a recess which receives a rack bearing and an arcuate rack bearing which is received in that recess. The rack bearing has an arcuate, convex outer bearing surface and an arcuate concave inner surface which abuts the rack and the rack has a recessed outer surface which conforms in shape to the inner surface of the rack bearing. The rotary actuator may have two racks as shown. The rotary actuator has a pair of floating pistons associated with each rack.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: December 9, 1986
    Assignee: Flo-Tork, Inc.
    Inventor: Julius Fejes