Patents Assigned to Electronic Hardware Corp.
  • Patent number: 5862715
    Abstract: A self-contained knob contains a bushing which fits on a control shaft of a control element and extends axially through each of an annular disk and a pedestal. The annular disk slidingly rests upon the pedestal. The disk and pedestal contain between them a pair of concentric, radially separated tracks of spring loaded balls and cavities. The balls momentarily engage the cavities in arc movement as the knob is turned. The pedestal receives at the bottom and is prevented from rotating by a fastener of the control element.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: January 26, 1999
    Assignee: Electronic Hardware Corp.
    Inventor: Paul Lemire