Patents by Inventor Bill H. Wehrmacher

Bill H. Wehrmacher 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).

  • Patent number: 4447836
    Abstract: A type cassette copier on which; pairs of aligned "floating" head and pinch roller arms are pivotally mounted within a housing adjacent pairs of aligned cassette receiving recesses and are simultaneously pivotable by a resilient connection to control lever arm; the control lever arm is operable through rewind, copy control and off positions; the head arms are operably connected to a drive mechanism for selectively driving rotatable spindles disposed in each cassette receiving compartment; the drive mechanism is adapted to be pivoted by the head arms for engagement of one magnetic clutch or another disposed on adjacent paired spindles, with one engaging position for rewind, and another for copying; a lever escapement cam, engaged by the free end of the control lever arm holds the lever arm in rewind or copy positions during each operation; a pair of electric motors drive the spindles and adjacent capstans through suitable belt drive means disposed in series with each motor; the motors are electrically connecte
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 8, 1984
    Assignee: Telex Communications, Inc.
    Inventors: Dean W. Flygstad, Bill H. Wehrmacher