One A Flexible Wall Type Patents (Class 92/64)
  • Patent number: 3958497
    Abstract: A movable wall assembly for use in a servomotor having a resilient diaphragm with a bead radially compressed in a groove on a hub by a backing plate to form a seal between a vacuum chamber and a power chamber. The diaphragm correspondingly axially urges the wall assembly into contact with the hub to prevent relative movement therebetween.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: May 25, 1976
    Assignee: The Bendix Corporation
    Inventors: Delbert J. Gardner, Maxwell L. Cripe