Patents Represented by Law Firm Cullen, Sloman, Grauer, Scott & Rutherford
  • Universal joint with improved bearing and seal construction
    Patent number: 4846763
    Abstract: A universal joint has an output shaft mounting a clevis which is projected into a yoke upon a drive shaft. A cylindrical roller connector is positioned within a socket in the clevis. A transverse pivot post upon the yoke extends through the roller connector for a pivotal connection with the roller connector upon a first axis. Transverse assembly pins project axially outward centrally of the roller connector into the clevis for pivotal movement of the clevis upon a second axis at right angles to the first axis.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: July 11, 1989
    Inventor: Alfonso Di Stefano
  • Universal binary keyboard system
    Patent number: 4831218
    Abstract: A keyboard apparatus including a plurality of nested, identically configured, keys for use in computer keyboards, typewriters, electronic switches and the like. The keyboard apparatus preferably includes a chassis having a plurality of alignment pins to receive a plurality of nested keys and a plurality of electronic switches to be activated by the keys.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: May 16, 1989
    Assignee: Binagraphics, Inc.
    Inventor: Forrest S. Wright