Patents by Inventor Donald W. Sutter

Donald W. Sutter 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).

  • Security lock for cassette recorders and cassette players or theft discouragement device for cassette recorders and cassette players
    Patent number: 4527405
    Abstract: A key-driven mechanism 14 that locks into the cassette-insert opening 12 of an audio/video cassette recorder or cassette player 10. After insertion into the cassette recorder or player, rotation of a key 16 extends cams from within the device to prevent removal of the device. The device includes a lock 20 mechanism with removable key, a helical turn screw and screw sleeve by which key rotation is translated into lineal movement, a cam-actuator affixed to the screw and which is moved by the turning of the key and cams 24 that are coupled to the actuator and which extend from the device or retract as a result of key rotation.
    Type: Grant
    Filed: April 25, 1983
    Date of Patent: July 9, 1985
    Inventors: William A. Renick, Donald W. Sutter