Patents by Inventor Steve P. Johns

Steve P. Johns 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).

  • Method for robot assembly of computer hard disc onto a spindle
    Patent number: 5012570
    Abstract: A method of assembling computer hard discs (12) onto a spindle (14) with a robot device (22) with only negligible contact forces to avoid generation of contaminating microparticles by scraping contact, in which a spindle supporting table (24) rests on gas film bearing pads (46) allowing frictionless lateral movement. The table (24) is initially positively positioned by locating devices (56) to fix the location of the spindle (14) in horizontal plane, and a disc (12) moved onto a tapering homing fixture (15) previously positioned over the spindle (14). The table (24) is released for frictionless lateral movements as the disc (12) is advanced onto the spindle (14).
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: May 7, 1991
    Assignee: Ambac Automation Corp.
    Inventors: Robert G. Hoskins, Steve P. Johns