Patents Assigned to Katonah Architectural Hardware
  • Adaptor spindle
    Patent number: 5685584
    Abstract: An adaptor spindle having a square cross-sectional center, dimensioned to fit and operate a standard European lock set, eight-sided opposed ends, formed to accept standard American door knobs and levers, and a tension pin, for centering the adaptor spindle in the lock set during assembly and for preventing tampering with the lock set.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 11, 1997
    Assignee: Katonah Architectural Hardware
    Inventors: Andrew H. Baren, Ian D. Baren