Patents Examined by Mary A. Williamson
  • Vacuum brake power booster for automotive vehicles and method for its manufacture
    Patent number: 4892027
    Abstract: A vacuum brake power booster and method of manufacture is disclosed. The booster includes a guide sleeve in a bore in the control valve casing. A radial flange of the guide sleeve guides the push rod and is supported axially within the axial bore of the control valve casing. The guide sleeve is axially embraced by a retaining member in positive engagement therewith with the retaining member being positively connected to the control valve casing.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: January 9, 1990
    Assignee: Alfred Teves GmbH
    Inventors: Wilfried Wagner, Lothar Schiel